diff --git a/.travis.yml b/.travis.yml index bbf2319b2..d0bc8f261 100644 --- a/.travis.yml +++ b/.travis.yml @@ -69,7 +69,8 @@ script: # so this should work fine most of the time, and be a lot better than not # checking at all. - git diff -U20 HEAD~40 | - filterdiff -x "a/src/jtag/drivers/libjaylink/*" -x "a/tools/git2cl/*" | + filterdiff -x "a/src/jtag/drivers/libjaylink/*" -x "a/tools/git2cl/*" + -x "b/src/gnulib/*" | ./tools/scripts/checkpatch.pl --no-signoff - - ./bootstrap && ./configure --enable-remote-bitbang --enable-jtag_vpi $CONFIGURE_ARGS && make - file src/$EXECUTABLE diff --git a/Makefile.am b/Makefile.am index 9c068db36..5d699b934 100644 --- a/Makefile.am +++ b/Makefile.am @@ -28,6 +28,8 @@ SUBDIRS += jimtcl DIST_SUBDIRS += jimtcl endif +ACLOCAL_AMFLAGS = -I m4 + # common flags used in openocd build AM_CFLAGS = $(GCC_WARNINGS) diff --git a/bootstrap b/bootstrap index e81ba4d02..8edb17220 100755 --- a/bootstrap +++ b/bootstrap @@ -24,7 +24,7 @@ fi # bootstrap the autotools ( set -x -aclocal --warnings=all +aclocal --warnings=all -I src/m4 # Apparently, not all versions of libtoolize support option --warnings=all . ${libtoolize} --automake --copy autoconf --warnings=all diff --git a/configure.ac b/configure.ac index 19bece082..955b1b0e9 100644 --- a/configure.ac +++ b/configure.ac @@ -17,14 +17,10 @@ AC_SUBST([MAKEINFO]) AM_INIT_AUTOMAKE([-Wall -Wno-portability dist-bzip2 dist-zip subdir-objects]) AC_CONFIG_HEADERS([config.h]) -AH_BOTTOM([ -#include -#include -#include -]) AC_LANG([C]) AC_PROG_CC +gl_EARLY # autoconf 2.70 obsoletes AC_PROG_CC_C99 and includes it in AC_PROG_CC m4_version_prereq([2.70],[],[AC_PROG_CC_C99]) AM_PROG_CC_C_O @@ -91,6 +87,8 @@ AC_CHECK_FUNCS([usleep]) AC_CHECK_FUNCS([vasprintf]) AC_CHECK_FUNCS([realpath]) +gl_INIT + # guess-rev.sh only exists in the repository, not in the released archives AC_MSG_CHECKING([whether to build a release]) AS_IF([test -x "$srcdir/guess-rev.sh"], [ @@ -857,6 +855,7 @@ AS_IF([test "x$gcc_warnings" = "xyes"], [ AC_CONFIG_FILES([ Makefile + src/gnulib/Makefile ]) AC_OUTPUT diff --git a/src/Makefile.am b/src/Makefile.am index 781c1e74f..41153fb61 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -1,3 +1,5 @@ +SUBDIRS += src/gnulib + noinst_LTLIBRARIES += %D%/libopenocd.la bin_PROGRAMS += %D%/openocd @@ -19,6 +21,7 @@ else endif %C%_libopenocd_la_CPPFLAGS = +%C%_openocd_LDADD += src/gnulib/libgnu.a # banner output includes RELSTR appended to $VERSION from the configure script # guess-rev.sh returns either a repository version ID or "-snapshot" @@ -60,6 +63,7 @@ BIN2C = $(srcdir)/%D%/helper/bin2char.sh STARTUP_TCL_SRCS = EXTRA_DIST += $(STARTUP_TCL_SRCS) +EXTRA_DIST += m4/gnulib-cache.m4 BUILT_SOURCES += %D%/startup_tcl.inc diff --git a/src/flash/common.h b/src/flash/common.h index 4244f1360..69f60d9a3 100644 --- a/src/flash/common.h +++ b/src/flash/common.h @@ -19,6 +19,7 @@ #define OPENOCD_FLASH_COMMON_H #include +#include /** * Parses the optional '.index' portion of a flash bank identifier. diff --git a/src/flash/nor/bluenrg-x.c b/src/flash/nor/bluenrg-x.c index 57aebc597..cf968cb8c 100644 --- a/src/flash/nor/bluenrg-x.c +++ b/src/flash/nor/bluenrg-x.c @@ -20,6 +20,7 @@ #include "config.h" #endif +#include "helper/types.h" #include #include #include diff --git a/src/gnulib/Makefile.am b/src/gnulib/Makefile.am new file mode 100644 index 000000000..62accdfe2 --- /dev/null +++ b/src/gnulib/Makefile.am @@ -0,0 +1,237 @@ +## DO NOT EDIT! GENERATED AUTOMATICALLY! +## Process this file with automake to produce Makefile.in. +# Copyright (C) 2002-2021 Free Software Foundation, Inc. +# +# This file is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. +# +# This file is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this file. If not, see . +# +# As a special exception to the GNU General Public License, +# this file may be distributed as part of a program that +# contains a configuration script generated by Autoconf, under +# the same distribution terms as the rest of that program. +# +# Generated by gnulib-tool. +# Reproduce by: +# gnulib-tool --import \ +# --lib=libgnu \ +# --source-base=src/gnulib \ +# --m4-base=src/m4 \ +# --doc-base=doc \ +# --tests-base=tests \ +# --aux-dir=. \ +# --no-conditional-dependencies \ +# --no-libtool \ +# --macro-prefix=gl \ +# linkedhash-map + +AUTOMAKE_OPTIONS = 1.11 gnits + +SUBDIRS = +noinst_HEADERS = +noinst_LIBRARIES = +noinst_LTLIBRARIES = +EXTRA_DIST = +BUILT_SOURCES = +SUFFIXES = +MOSTLYCLEANFILES = core *.stackdump +MOSTLYCLEANDIRS = +CLEANFILES = +DISTCLEANFILES = +MAINTAINERCLEANFILES = +# No GNU Make output. + +AM_CPPFLAGS = +AM_CFLAGS = + +noinst_LIBRARIES += libgnu.a + +libgnu_a_SOURCES = +libgnu_a_LIBADD = $(gl_LIBOBJS) +libgnu_a_DEPENDENCIES = $(gl_LIBOBJS) +EXTRA_libgnu_a_SOURCES = + +## begin gnulib module absolute-header + +# Use this preprocessor expression to decide whether #include_next works. +# Do not rely on a 'configure'-time test for this, since the expression +# might appear in an installed header, which is used by some other compiler. +HAVE_INCLUDE_NEXT = (__GNUC__ || __clang__ || 60000000 <= __DECC_VER) + +## end gnulib module absolute-header + +## begin gnulib module attribute + + +EXTRA_DIST += attribute.h + +## end gnulib module attribute + +## begin gnulib module limits-h + +BUILT_SOURCES += $(LIMITS_H) + +# We need the following in order to create when the system +# doesn't have one that is compatible with GNU. +if GL_GENERATE_LIMITS_H +limits.h: limits.in.h $(top_builddir)/config.status + $(AM_V_GEN)rm -f $@-t $@ && \ + { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */' && \ + sed -e 's|@''GUARD_PREFIX''@|GL|g' \ + -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \ + -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \ + -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \ + -e 's|@''NEXT_LIMITS_H''@|$(NEXT_LIMITS_H)|g' \ + < $(srcdir)/limits.in.h; \ + } > $@-t && \ + mv $@-t $@ +else +limits.h: $(top_builddir)/config.status + rm -f $@ +endif +MOSTLYCLEANFILES += limits.h limits.h-t + +EXTRA_DIST += limits.in.h + +## end gnulib module limits-h + +## begin gnulib module linkedhash-map + +libgnu_a_SOURCES += gl_linkedhash_map.h gl_linkedhash_map.c gl_anyhash1.h gl_anyhash2.h gl_anyhash_primes.h + +## end gnulib module linkedhash-map + +## begin gnulib module map + +libgnu_a_SOURCES += gl_map.h gl_map.c + +## end gnulib module map + +## begin gnulib module size_max + +libgnu_a_SOURCES += size_max.h + +## end gnulib module size_max + +## begin gnulib module stdbool + +BUILT_SOURCES += $(STDBOOL_H) + +# We need the following in order to create when the system +# doesn't have one that works. +if GL_GENERATE_STDBOOL_H +stdbool.h: stdbool.in.h $(top_builddir)/config.status + $(AM_V_GEN)rm -f $@-t $@ && \ + { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \ + sed -e 's/@''HAVE__BOOL''@/$(HAVE__BOOL)/g' < $(srcdir)/stdbool.in.h; \ + } > $@-t && \ + mv $@-t $@ +else +stdbool.h: $(top_builddir)/config.status + rm -f $@ +endif +MOSTLYCLEANFILES += stdbool.h stdbool.h-t + +EXTRA_DIST += stdbool.in.h + +## end gnulib module stdbool + +## begin gnulib module stdint + +BUILT_SOURCES += $(STDINT_H) + +# We need the following in order to create when the system +# doesn't have one that works with the given compiler. +if GL_GENERATE_STDINT_H +stdint.h: stdint.in.h $(top_builddir)/config.status + $(AM_V_GEN)rm -f $@-t $@ && \ + { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \ + sed -e 's|@''GUARD_PREFIX''@|GL|g' \ + -e 's/@''HAVE_STDINT_H''@/$(HAVE_STDINT_H)/g' \ + -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \ + -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \ + -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \ + -e 's|@''NEXT_STDINT_H''@|$(NEXT_STDINT_H)|g' \ + -e 's/@''HAVE_C99_STDINT_H''@/$(HAVE_C99_STDINT_H)/g' \ + -e 's/@''HAVE_SYS_TYPES_H''@/$(HAVE_SYS_TYPES_H)/g' \ + -e 's/@''HAVE_INTTYPES_H''@/$(HAVE_INTTYPES_H)/g' \ + -e 's/@''HAVE_SYS_INTTYPES_H''@/$(HAVE_SYS_INTTYPES_H)/g' \ + -e 's/@''HAVE_SYS_BITYPES_H''@/$(HAVE_SYS_BITYPES_H)/g' \ + -e 's/@''HAVE_WCHAR_H''@/$(HAVE_WCHAR_H)/g' \ + -e 's/@''APPLE_UNIVERSAL_BUILD''@/$(APPLE_UNIVERSAL_BUILD)/g' \ + -e 's/@''BITSIZEOF_PTRDIFF_T''@/$(BITSIZEOF_PTRDIFF_T)/g' \ + -e 's/@''PTRDIFF_T_SUFFIX''@/$(PTRDIFF_T_SUFFIX)/g' \ + -e 's/@''BITSIZEOF_SIG_ATOMIC_T''@/$(BITSIZEOF_SIG_ATOMIC_T)/g' \ + -e 's/@''HAVE_SIGNED_SIG_ATOMIC_T''@/$(HAVE_SIGNED_SIG_ATOMIC_T)/g' \ + -e 's/@''SIG_ATOMIC_T_SUFFIX''@/$(SIG_ATOMIC_T_SUFFIX)/g' \ + -e 's/@''BITSIZEOF_SIZE_T''@/$(BITSIZEOF_SIZE_T)/g' \ + -e 's/@''SIZE_T_SUFFIX''@/$(SIZE_T_SUFFIX)/g' \ + -e 's/@''BITSIZEOF_WCHAR_T''@/$(BITSIZEOF_WCHAR_T)/g' \ + -e 's/@''HAVE_SIGNED_WCHAR_T''@/$(HAVE_SIGNED_WCHAR_T)/g' \ + -e 's/@''WCHAR_T_SUFFIX''@/$(WCHAR_T_SUFFIX)/g' \ + -e 's/@''BITSIZEOF_WINT_T''@/$(BITSIZEOF_WINT_T)/g' \ + -e 's/@''HAVE_SIGNED_WINT_T''@/$(HAVE_SIGNED_WINT_T)/g' \ + -e 's/@''WINT_T_SUFFIX''@/$(WINT_T_SUFFIX)/g' \ + -e 's/@''GNULIB_OVERRIDES_WINT_T''@/$(GNULIB_OVERRIDES_WINT_T)/g' \ + < $(srcdir)/stdint.in.h; \ + } > $@-t && \ + mv $@-t $@ +else +stdint.h: $(top_builddir)/config.status + rm -f $@ +endif +MOSTLYCLEANFILES += stdint.h stdint.h-t + +EXTRA_DIST += stdint.in.h + +## end gnulib module stdint + +## begin gnulib module sys_types + +BUILT_SOURCES += sys/types.h + +# We need the following in order to create when the system +# doesn't have one that works with the given compiler. +sys/types.h: sys_types.in.h $(top_builddir)/config.status + $(AM_V_at)$(MKDIR_P) sys + $(AM_V_GEN)rm -f $@-t $@ && \ + { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \ + sed -e 's|@''GUARD_PREFIX''@|GL|g' \ + -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \ + -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \ + -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \ + -e 's|@''NEXT_SYS_TYPES_H''@|$(NEXT_SYS_TYPES_H)|g' \ + -e 's|@''WINDOWS_64_BIT_OFF_T''@|$(WINDOWS_64_BIT_OFF_T)|g' \ + -e 's|@''WINDOWS_STAT_INODES''@|$(WINDOWS_STAT_INODES)|g' \ + < $(srcdir)/sys_types.in.h; \ + } > $@-t && \ + mv $@-t $@ +MOSTLYCLEANFILES += sys/types.h sys/types.h-t + +EXTRA_DIST += sys_types.in.h + +## end gnulib module sys_types + +## begin gnulib module xsize + +libgnu_a_SOURCES += xsize.h xsize.c + +## end gnulib module xsize + + +mostlyclean-local: mostlyclean-generic + @for dir in '' $(MOSTLYCLEANDIRS); do \ + if test -n "$$dir" && test -d $$dir; then \ + echo "rmdir $$dir"; rmdir $$dir; \ + fi; \ + done; \ + : diff --git a/src/gnulib/attribute.h b/src/gnulib/attribute.h new file mode 100644 index 000000000..82245279e --- /dev/null +++ b/src/gnulib/attribute.h @@ -0,0 +1,218 @@ +/* ATTRIBUTE_* macros for using attributes in GCC and similar compilers + + Copyright 2020-2021 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published + by the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +/* Written by Paul Eggert. */ + +/* Provide public ATTRIBUTE_* names for the private _GL_ATTRIBUTE_* + macros used within Gnulib. */ + +/* These attributes can be placed in two ways: + - At the start of a declaration (i.e. even before storage-class + specifiers!); then they apply to all entities that are declared + by the declaration. + - Immediately after the name of an entity being declared by the + declaration; then they apply to that entity only. */ + +#ifndef _GL_ATTRIBUTE_H +#define _GL_ATTRIBUTE_H + + +/* This file defines two types of attributes: + * C2X standard attributes. These have macro names that do not begin with + 'ATTRIBUTE_'. + * Selected GCC attributes; see: + https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html + https://gcc.gnu.org/onlinedocs/gcc/Common-Variable-Attributes.html + https://gcc.gnu.org/onlinedocs/gcc/Common-Type-Attributes.html + These names begin with 'ATTRIBUTE_' to avoid name clashes. */ + + +/* =============== Attributes for specific kinds of functions =============== */ + +/* Attributes for functions that should not be used. */ + +/* Warn if the entity is used. */ +/* Applies to: + - function, variable, + - struct, union, struct/union member, + - enumeration, enumeration item, + - typedef, + in C++ also: namespace, class, template specialization. */ +#define DEPRECATED _GL_ATTRIBUTE_DEPRECATED + +/* If a function call is not optimized way, warn with MSG. */ +/* Applies to: functions. */ +#define ATTRIBUTE_WARNING(msg) _GL_ATTRIBUTE_WARNING (msg) + +/* If a function call is not optimized way, report an error with MSG. */ +/* Applies to: functions. */ +#define ATTRIBUTE_ERROR(msg) _GL_ATTRIBUTE_ERROR (msg) + + +/* Attributes for memory-allocating functions. */ + +/* The function returns a pointer to freshly allocated memory. */ +/* Applies to: functions. */ +#define ATTRIBUTE_MALLOC _GL_ATTRIBUTE_MALLOC + +/* ATTRIBUTE_ALLOC_SIZE ((N)) - The Nth argument of the function + is the size of the returned memory block. + ATTRIBUTE_ALLOC_SIZE ((M, N)) - Multiply the Mth and Nth arguments + to determine the size of the returned memory block. */ +/* Applies to: function, pointer to function, function types. */ +#define ATTRIBUTE_ALLOC_SIZE(args) _GL_ATTRIBUTE_ALLOC_SIZE (args) + + +/* Attributes for variadic functions. */ + +/* The variadic function expects a trailing NULL argument. + ATTRIBUTE_SENTINEL () - The last argument is NULL (requires C99). + ATTRIBUTE_SENTINEL ((N)) - The (N+1)st argument from the end is NULL. */ +/* Applies to: functions. */ +#define ATTRIBUTE_SENTINEL(pos) _GL_ATTRIBUTE_SENTINEL (pos) + + +/* ================== Attributes for compiler diagnostics ================== */ + +/* Attributes that help the compiler diagnose programmer mistakes. + Some of them may also help for some compiler optimizations. */ + +/* ATTRIBUTE_FORMAT ((ARCHETYPE, STRING-INDEX, FIRST-TO-CHECK)) - + The STRING-INDEXth function argument is a format string of style + ARCHETYPE, which is one of: + printf, gnu_printf + scanf, gnu_scanf, + strftime, gnu_strftime, + strfmon, + or the same thing prefixed and suffixed with '__'. + If FIRST-TO-CHECK is not 0, arguments starting at FIRST-TO_CHECK + are suitable for the format string. */ +/* Applies to: functions. */ +#define ATTRIBUTE_FORMAT(spec) _GL_ATTRIBUTE_FORMAT (spec) + +/* ATTRIBUTE_NONNULL ((N1, N2,...)) - Arguments N1, N2,... must not be NULL. + ATTRIBUTE_NONNULL () - All pointer arguments must not be null. */ +/* Applies to: functions. */ +#define ATTRIBUTE_NONNULL(args) _GL_ATTRIBUTE_NONNULL (args) + +/* The function's return value is a non-NULL pointer. */ +/* Applies to: functions. */ +#define ATTRIBUTE_RETURNS_NONNULL _GL_ATTRIBUTE_RETURNS_NONNULL + +/* Warn if the caller does not use the return value, + unless the caller uses something like ignore_value. */ +/* Applies to: function, enumeration, class. */ +#define NODISCARD _GL_ATTRIBUTE_NODISCARD + + +/* Attributes that disable false alarms when the compiler diagnoses + programmer "mistakes". */ + +/* Do not warn if the entity is not used. */ +/* Applies to: + - function, variable, + - struct, union, struct/union member, + - enumeration, enumeration item, + - typedef, + in C++ also: class. */ +#define MAYBE_UNUSED _GL_ATTRIBUTE_MAYBE_UNUSED + +/* The contents of a character array is not meant to be NUL-terminated. */ +/* Applies to: struct/union members and variables that are arrays of element + type '[[un]signed] char'. */ +#define ATTRIBUTE_NONSTRING _GL_ATTRIBUTE_NONSTRING + +/* Do not warn if control flow falls through to the immediately + following 'case' or 'default' label. */ +/* Applies to: Empty statement (;), inside a 'switch' statement. */ +#define FALLTHROUGH _GL_ATTRIBUTE_FALLTHROUGH + + +/* ================== Attributes for debugging information ================== */ + +/* Attributes regarding debugging information emitted by the compiler. */ + +/* Omit the function from stack traces when debugging. */ +/* Applies to: function. */ +#define ATTRIBUTE_ARTIFICIAL _GL_ATTRIBUTE_ARTIFICIAL + +/* Make the entity visible to debuggers etc., even with '-fwhole-program'. */ +/* Applies to: functions, variables. */ +#define ATTRIBUTE_EXTERNALLY_VISIBLE _GL_ATTRIBUTE_EXTERNALLY_VISIBLE + + +/* ========== Attributes that mainly direct compiler optimizations ========== */ + +/* The function does not throw exceptions. */ +/* Applies to: functions. */ +#define ATTRIBUTE_NOTHROW _GL_ATTRIBUTE_NOTHROW + +/* Do not inline the function. */ +/* Applies to: functions. */ +#define ATTRIBUTE_NOINLINE _GL_ATTRIBUTE_NOINLINE + +/* Always inline the function, and report an error if the compiler + cannot inline. */ +/* Applies to: function. */ +#define ATTRIBUTE_ALWAYS_INLINE _GL_ATTRIBUTE_ALWAYS_INLINE + +/* It is OK for a compiler to omit duplicate calls with the same arguments. + This attribute is safe for a function that neither depends on + nor affects observable state, and always returns exactly once - + e.g., does not loop forever, and does not call longjmp. + (This attribute is stricter than ATTRIBUTE_PURE.) */ +/* Applies to: functions. */ +#define ATTRIBUTE_CONST _GL_ATTRIBUTE_CONST + +/* It is OK for a compiler to omit duplicate calls with the same + arguments if observable state is not changed between calls. + This attribute is safe for a function that does not affect + observable state, and always returns exactly once. + (This attribute is looser than ATTRIBUTE_CONST.) */ +/* Applies to: functions. */ +#define ATTRIBUTE_PURE _GL_ATTRIBUTE_PURE + +/* The function is rarely executed. */ +/* Applies to: functions. */ +#define ATTRIBUTE_COLD _GL_ATTRIBUTE_COLD + +/* If called from some other compilation unit, the function executes + code from that unit only by return or by exception handling, + letting the compiler optimize that unit more aggressively. */ +/* Applies to: functions. */ +#define ATTRIBUTE_LEAF _GL_ATTRIBUTE_LEAF + +/* For struct members: The member has the smallest possible alignment. + For struct, union, class: All members have the smallest possible alignment, + minimizing the memory required. */ +/* Applies to: struct members, struct, union, + in C++ also: class. */ +#define ATTRIBUTE_PACKED _GL_ATTRIBUTE_PACKED + + +/* ================ Attributes that make invalid code valid ================ */ + +/* Attributes that prevent fatal compiler optimizations for code that is not + fully ISO C compliant. */ + +/* Pointers to the type may point to the same storage as pointers to + other types, thus disabling strict aliasing optimization. */ +/* Applies to: types. */ +#define ATTRIBUTE_MAY_ALIAS _GL_ATTRIBUTE_MAY_ALIAS + + +#endif /* _GL_ATTRIBUTE_H */ diff --git a/src/gnulib/gl_anyhash1.h b/src/gnulib/gl_anyhash1.h new file mode 100644 index 000000000..3253673bd --- /dev/null +++ b/src/gnulib/gl_anyhash1.h @@ -0,0 +1,31 @@ +/* Hash table for sequential list, set, and map data type. + Copyright (C) 2006, 2009-2021 Free Software Foundation, Inc. + Written by Bruno Haible , 2006. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +/* Common code of + gl_linkedhash_list.c, gl_avltreehash_list.c, gl_rbtreehash_list.c, + gl_linkedhash_set.c, gl_hash_set.c, + gl_linkedhash_map.c, gl_hash_map.c. */ + +/* Hash table entry. */ +struct gl_hash_entry +{ + struct gl_hash_entry *hash_next; /* chain of entries in same bucket */ + size_t hashcode; /* cache of the hash code of + - the key (for map data type) or + - the value (for list, set data types) */ +}; +typedef struct gl_hash_entry * gl_hash_entry_t; diff --git a/src/gnulib/gl_anyhash2.h b/src/gnulib/gl_anyhash2.h new file mode 100644 index 000000000..d8b5fb051 --- /dev/null +++ b/src/gnulib/gl_anyhash2.h @@ -0,0 +1,82 @@ +/* Hash table for sequential list, set, and map data type. + Copyright (C) 2006, 2009-2021 Free Software Foundation, Inc. + Written by Bruno Haible , 2006. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +/* Common code of + gl_linkedhash_list.c, gl_avltreehash_list.c, gl_rbtreehash_list.c, + gl_linkedhash_set.c, gl_hash_set.c, + gl_linkedhash_map.c, gl_hash_map.c. */ + +#include "gl_anyhash_primes.h" + +/* Resizes the hash table with a new estimated size. */ +static void +hash_resize (CONTAINER_T container, size_t estimate) +{ + size_t new_size = next_prime (estimate); + + if (new_size > container->table_size) + { + gl_hash_entry_t *old_table = container->table; + /* Allocate the new table. */ + gl_hash_entry_t *new_table; + size_t i; + + if (size_overflow_p (xtimes (new_size, sizeof (gl_hash_entry_t)))) + goto fail; + new_table = + (gl_hash_entry_t *) calloc (new_size, sizeof (gl_hash_entry_t)); + if (new_table == NULL) + goto fail; + + /* Iterate through the entries of the old table. */ + for (i = container->table_size; i > 0; ) + { + gl_hash_entry_t node = old_table[--i]; + + while (node != NULL) + { + gl_hash_entry_t next = node->hash_next; + /* Add the entry to the new table. */ + size_t bucket = node->hashcode % new_size; + node->hash_next = new_table[bucket]; + new_table[bucket] = node; + + node = next; + } + } + + container->table = new_table; + container->table_size = new_size; + free (old_table); + } + return; + + fail: + /* Just continue without resizing the table. */ + return; +} + +/* Resizes the hash table if needed, after CONTAINER_COUNT (container) was + incremented. */ +static void +hash_resize_after_add (CONTAINER_T container) +{ + size_t count = CONTAINER_COUNT (container); + size_t estimate = xsum (count, count / 2); /* 1.5 * count */ + if (estimate > container->table_size) + hash_resize (container, estimate); +} diff --git a/src/gnulib/gl_anyhash_primes.h b/src/gnulib/gl_anyhash_primes.h new file mode 100644 index 000000000..b723e6494 --- /dev/null +++ b/src/gnulib/gl_anyhash_primes.h @@ -0,0 +1,87 @@ +/* Table of primes, for use by hash tables. + Copyright (C) 2006, 2009-2021 Free Software Foundation, Inc. + Written by Bruno Haible , 2006. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +/* Array of primes, approximately in steps of factor 1.2. + This table was computed by executing the Common Lisp expression + (dotimes (i 244) (format t "nextprime(~D)~%" (ceiling (expt 1.2d0 i)))) + and feeding the result to PARI/gp. */ +static const size_t primes[] = + { + 11, 13, 17, 19, 23, 29, 37, 41, 47, 59, 67, 83, 97, 127, 139, 167, 199, + 239, 293, 347, 419, 499, 593, 709, 853, 1021, 1229, 1471, 1777, 2129, 2543, + 3049, 3659, 4391, 5273, 6323, 7589, 9103, 10937, 13109, 15727, 18899, + 22651, 27179, 32609, 39133, 46957, 56359, 67619, 81157, 97369, 116849, + 140221, 168253, 201907, 242309, 290761, 348889, 418667, 502409, 602887, + 723467, 868151, 1041779, 1250141, 1500181, 1800191, 2160233, 2592277, + 3110741, 3732887, 4479463, 5375371, 6450413, 7740517, 9288589, 11146307, + 13375573, 16050689, 19260817, 23112977, 27735583, 33282701, 39939233, + 47927081, 57512503, 69014987, 82818011, 99381577, 119257891, 143109469, + 171731387, 206077643, 247293161, 296751781, 356102141, 427322587, + 512787097, 615344489, 738413383, 886096061, 1063315271, 1275978331, + 1531174013, 1837408799, 2204890543UL, 2645868653UL, 3175042391UL, + 3810050851UL, +#if SIZE_MAX > 4294967295UL + 4572061027UL, 5486473229UL, 6583767889UL, 7900521449UL, 9480625733UL, + 11376750877UL, 13652101063UL, 16382521261UL, 19659025513UL, 23590830631UL, + 28308996763UL, 33970796089UL, 40764955463UL, 48917946377UL, 58701535657UL, + 70441842749UL, 84530211301UL, 101436253561UL, 121723504277UL, + 146068205131UL, 175281846149UL, 210338215379UL, 252405858521UL, + 302887030151UL, 363464436191UL, 436157323417UL, 523388788231UL, + 628066545713UL, 753679854847UL, 904415825857UL, 1085298991109UL, + 1302358789181UL, 1562830547009UL, 1875396656429UL, 2250475987709UL, + 2700571185239UL, 3240685422287UL, 3888822506759UL, 4666587008147UL, + 5599904409713UL, 6719885291641UL, 8063862349969UL, 9676634819959UL, + 11611961783951UL, 13934354140769UL, 16721224968907UL, 20065469962669UL, + 24078563955191UL, 28894276746229UL, 34673132095507UL, 41607758514593UL, + 49929310217531UL, 59915172260971UL, 71898206713183UL, 86277848055823UL, + 103533417666967UL, 124240101200359UL, 149088121440451UL, 178905745728529UL, + 214686894874223UL, 257624273849081UL, 309149128618903UL, 370978954342639UL, + 445174745211143UL, 534209694253381UL, 641051633104063UL, 769261959724877UL, + 923114351670013UL, 1107737222003791UL, 1329284666404567UL, + 1595141599685509UL, 1914169919622551UL, 2297003903547091UL, + 2756404684256459UL, 3307685621107757UL, 3969222745329323UL, + 4763067294395177UL, 5715680753274209UL, 6858816903929113UL, + 8230580284714831UL, 9876696341657791UL, 11852035609989371UL, + 14222442731987227UL, 17066931278384657UL, 20480317534061597UL, + 24576381040873903UL, 29491657249048679UL, 35389988698858471UL, + 42467986438630267UL, 50961583726356109UL, 61153900471627387UL, + 73384680565952851UL, 88061616679143347UL, 105673940014972061UL, + 126808728017966413UL, 152170473621559703UL, 182604568345871671UL, + 219125482015045997UL, 262950578418055169UL, 315540694101666193UL, + 378648832921999397UL, 454378599506399233UL, 545254319407679131UL, + 654305183289214771UL, 785166219947057701UL, 942199463936469157UL, + 1130639356723763129UL, 1356767228068515623UL, 1628120673682218619UL, + 1953744808418662409UL, 2344493770102394881UL, 2813392524122873857UL, + 3376071028947448339UL, 4051285234736937517UL, 4861542281684325481UL, + 5833850738021191727UL, 7000620885625427969UL, 8400745062750513217UL, + 10080894075300616261UL, 12097072890360739951UL, 14516487468432885797UL, + 17419784962119465179UL, +#endif + SIZE_MAX /* sentinel, to ensure the search terminates */ + }; + +/* Returns a suitable prime >= ESTIMATE. */ +static size_t +next_prime (size_t estimate) +{ + size_t i; + + for (i = 0; i < sizeof (primes) / sizeof (primes[0]); i++) + if (primes[i] >= estimate) + return primes[i]; + return SIZE_MAX; /* not a prime, but better than nothing */ +} diff --git a/src/gnulib/gl_linkedhash_map.c b/src/gnulib/gl_linkedhash_map.c new file mode 100644 index 000000000..e2cf9fbf1 --- /dev/null +++ b/src/gnulib/gl_linkedhash_map.c @@ -0,0 +1,330 @@ +/* Map data type implemented by a hash table with a linked list. + Copyright (C) 2006, 2008-2021 Free Software Foundation, Inc. + Written by Bruno Haible , 2018. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +#include + +/* Specification. */ +#include "gl_linkedhash_map.h" + +#include /* for uintptr_t, SIZE_MAX */ +#include + +#include "xsize.h" + +/* --------------------------- gl_map_t Data Type --------------------------- */ + +#include "gl_anyhash1.h" + +/* Concrete list node implementation, valid for this file only. */ +struct gl_list_node_impl +{ + struct gl_hash_entry h; /* hash table entry fields; must be first */ + struct gl_list_node_impl *next; + struct gl_list_node_impl *prev; + const void *key; + const void *value; +}; +typedef struct gl_list_node_impl * gl_list_node_t; + +/* Concrete gl_map_impl type, valid for this file only. */ +struct gl_map_impl +{ + struct gl_map_impl_base base; + gl_mapkey_hashcode_fn hashcode_fn; + /* A hash table: managed as an array of collision lists. */ + struct gl_hash_entry **table; + size_t table_size; + /* A circular list anchored at root. + The first node is = root.next, the last node is = root.prev. + The root's value is unused. */ + struct gl_list_node_impl root; + /* Number of list nodes, excluding the root. */ + size_t count; +}; + +#define CONTAINER_T gl_map_t +#define CONTAINER_COUNT(map) (map)->count +#include "gl_anyhash2.h" + +/* If the symbol SIGNAL_SAFE_MAP is defined, the code is compiled in such + a way that a gl_map_t data structure may be used from within a signal + handler. The operations allowed in the signal handler are: + gl_map_iterator, gl_map_iterator_next, gl_map_iterator_free. + The map and node fields that are therefore accessed from the signal handler + are: + map->root, node->next, node->value. + We are careful to make modifications to these fields only in an order + that maintains the consistency of the list data structure at any moment, + and we use 'volatile' assignments to prevent the compiler from reordering + such assignments. */ +#ifdef SIGNAL_SAFE_MAP +# define ASYNCSAFE(type) *(type volatile *)& +#else +# define ASYNCSAFE(type) +#endif + +/* --------------------------- gl_map_t Data Type --------------------------- */ + +static gl_map_t +gl_linkedhash_nx_create_empty (gl_map_implementation_t implementation, + gl_mapkey_equals_fn equals_fn, + gl_mapkey_hashcode_fn hashcode_fn, + gl_mapkey_dispose_fn kdispose_fn, + gl_mapvalue_dispose_fn vdispose_fn) +{ + struct gl_map_impl *map = + (struct gl_map_impl *) malloc (sizeof (struct gl_map_impl)); + + if (map == NULL) + return NULL; + + map->base.vtable = implementation; + map->base.equals_fn = equals_fn; + map->base.kdispose_fn = kdispose_fn; + map->base.vdispose_fn = vdispose_fn; + map->hashcode_fn = hashcode_fn; + map->table_size = 11; + map->table = + (gl_hash_entry_t *) calloc (map->table_size, sizeof (gl_hash_entry_t)); + if (map->table == NULL) + goto fail; + map->root.next = &map->root; + map->root.prev = &map->root; + map->count = 0; + + return map; + + fail: + free (map); + return NULL; +} + +static size_t _GL_ATTRIBUTE_PURE +gl_linkedhash_size (gl_map_t map) +{ + return map->count; +} + +static bool _GL_ATTRIBUTE_PURE +gl_linkedhash_search (gl_map_t map, const void *key, const void **valuep) +{ + size_t hashcode = + (map->hashcode_fn != NULL + ? map->hashcode_fn (key) + : (size_t)(uintptr_t) key); + size_t bucket = hashcode % map->table_size; + gl_mapkey_equals_fn equals = map->base.equals_fn; + + /* Look for a match in the hash bucket. */ + gl_list_node_t node; + + for (node = (gl_list_node_t) map->table[bucket]; + node != NULL; + node = (gl_list_node_t) node->h.hash_next) + if (node->h.hashcode == hashcode + && (equals != NULL + ? equals (key, node->key) + : key == node->key)) + { + *valuep = node->value; + return true; + } + return false; +} + +static int +gl_linkedhash_nx_getput (gl_map_t map, const void *key, const void *value, + const void **oldvaluep) +{ + size_t hashcode = + (map->hashcode_fn != NULL + ? map->hashcode_fn (key) + : (size_t)(uintptr_t) key); + size_t bucket = hashcode % map->table_size; + gl_mapkey_equals_fn equals = map->base.equals_fn; + + /* Look for a match in the hash bucket. */ + { + gl_list_node_t node; + + for (node = (gl_list_node_t) map->table[bucket]; + node != NULL; + node = (gl_list_node_t) node->h.hash_next) + if (node->h.hashcode == hashcode + && (equals != NULL + ? equals (key, node->key) + : key == node->key)) + { + *oldvaluep = node->value; + node->value = value; + return 0; + } + } + + /* Allocate a new node. */ + gl_list_node_t node = + (struct gl_list_node_impl *) malloc (sizeof (struct gl_list_node_impl)); + + if (node == NULL) + return -1; + + ASYNCSAFE(const void *) node->key = key; + ASYNCSAFE(const void *) node->value = value; + node->h.hashcode = hashcode; + + /* Add node to the hash table. */ + node->h.hash_next = map->table[bucket]; + map->table[bucket] = &node->h; + + /* Add node to the map. */ + ASYNCSAFE(gl_list_node_t) node->next = &map->root; + node->prev = map->root.prev; + ASYNCSAFE(gl_list_node_t) node->prev->next = node; + map->root.prev = node; + map->count++; + + hash_resize_after_add (map); + + return 1; +} + +static bool +gl_linkedhash_getremove (gl_map_t map, const void *key, const void **oldvaluep) +{ + size_t hashcode = + (map->hashcode_fn != NULL + ? map->hashcode_fn (key) + : (size_t)(uintptr_t) key); + size_t bucket = hashcode % map->table_size; + gl_mapkey_equals_fn equals = map->base.equals_fn; + + /* Look for the first match in the hash bucket. */ + gl_list_node_t *nodep; + + for (nodep = (gl_list_node_t *) &map->table[bucket]; + *nodep != NULL; + nodep = (gl_list_node_t *) &(*nodep)->h.hash_next) + { + gl_list_node_t node = *nodep; + if (node->h.hashcode == hashcode + && (equals != NULL + ? equals (key, node->key) + : key == node->key)) + { + *oldvaluep = node->value; + + /* Remove node from the hash table. */ + *nodep = (gl_list_node_t) node->h.hash_next; + + /* Remove node from the list. */ + { + gl_list_node_t prev = node->prev; + gl_list_node_t next = node->next; + + ASYNCSAFE(gl_list_node_t) prev->next = next; + next->prev = prev; + } + map->count--; + + if (map->base.kdispose_fn != NULL) + map->base.kdispose_fn (node->key); + free (node); + return true; + } + } + + return false; +} + +static void +gl_linkedhash_free (gl_map_t map) +{ + gl_mapkey_dispose_fn kdispose = map->base.kdispose_fn; + gl_mapvalue_dispose_fn vdispose = map->base.vdispose_fn; + gl_list_node_t node; + + for (node = map->root.next; node != &map->root; ) + { + gl_list_node_t next = node->next; + if (vdispose != NULL) + vdispose (node->value); + if (kdispose != NULL) + kdispose (node->key); + free (node); + node = next; + } + free (map->table); + free (map); +} + +/* ---------------------- gl_map_iterator_t Data Type ---------------------- */ + +/* Iterate through the list, not through the hash buckets, so that the order + in which the pairs are returned is predictable. */ + +static gl_map_iterator_t +gl_linkedhash_iterator (gl_map_t map) +{ + gl_map_iterator_t result; + + result.vtable = map->base.vtable; + result.map = map; + result.p = map->root.next; + result.q = &map->root; +#if defined GCC_LINT || defined lint + result.i = 0; + result.j = 0; + result.count = 0; +#endif + + return result; +} + +static bool +gl_linkedhash_iterator_next (gl_map_iterator_t *iterator, + const void **keyp, const void **valuep) +{ + if (iterator->p != iterator->q) + { + gl_list_node_t node = (gl_list_node_t) iterator->p; + *keyp = node->key; + *valuep = node->value; + iterator->p = node->next; + return true; + } + else + return false; +} + +static void +gl_linkedhash_iterator_free (gl_map_iterator_t *iterator) +{ +} + + +const struct gl_map_implementation gl_linkedhash_map_implementation = + { + gl_linkedhash_nx_create_empty, + gl_linkedhash_size, + gl_linkedhash_search, + gl_linkedhash_nx_getput, + gl_linkedhash_getremove, + gl_linkedhash_free, + gl_linkedhash_iterator, + gl_linkedhash_iterator_next, + gl_linkedhash_iterator_free + }; diff --git a/src/gnulib/gl_linkedhash_map.h b/src/gnulib/gl_linkedhash_map.h new file mode 100644 index 000000000..56c2f3df1 --- /dev/null +++ b/src/gnulib/gl_linkedhash_map.h @@ -0,0 +1,34 @@ +/* Map data type implemented by a hash table with a linked list. + Copyright (C) 2006, 2009-2021 Free Software Foundation, Inc. + Written by Bruno Haible , 2018. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +#ifndef _GL_LINKEDHASH_MAP_H +#define _GL_LINKEDHASH_MAP_H + +#include "gl_map.h" + +#ifdef __cplusplus +extern "C" { +#endif + +extern const struct gl_map_implementation gl_linkedhash_map_implementation; +#define GL_LINKEDHASH_MAP &gl_linkedhash_map_implementation + +#ifdef __cplusplus +} +#endif + +#endif /* _GL_LINKEDHASH_MAP_H */ diff --git a/src/gnulib/gl_map.c b/src/gnulib/gl_map.c new file mode 100644 index 000000000..758a65f3d --- /dev/null +++ b/src/gnulib/gl_map.c @@ -0,0 +1,3 @@ +#include +#define GL_MAP_INLINE _GL_EXTERN_INLINE +#include "gl_map.h" diff --git a/src/gnulib/gl_map.h b/src/gnulib/gl_map.h new file mode 100644 index 000000000..051ec5944 --- /dev/null +++ b/src/gnulib/gl_map.h @@ -0,0 +1,370 @@ +/* Abstract map data type. + Copyright (C) 2006-2007, 2009-2021 Free Software Foundation, Inc. + Written by Bruno Haible , 2018. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +#ifndef _GL_MAP_H +#define _GL_MAP_H + +#include +#include + +#ifndef _GL_INLINE_HEADER_BEGIN + #error "Please include config.h first." +#endif +_GL_INLINE_HEADER_BEGIN +#ifndef GL_MAP_INLINE +# define GL_MAP_INLINE _GL_INLINE +#endif + +#ifdef __cplusplus +extern "C" { +#endif + + +/* gl_map is an abstract map data type. It can contain any number of + (key, value) pairs, where + - keys and values are objects ('void *' or 'const void *' pointers), + - There are no (key, value1) and (key, value2) pairs with the same key + (in the sense of a given comparator function). + + There are several implementations of this map datatype, optimized for + different operations or for memory. You can start using the simplest map + implementation, GL_ARRAY_MAP, and switch to a different implementation + later, when you realize which operations are performed the most frequently. + The API of the different implementations is exactly the same; when switching + to a different implementation, you only have to change the gl_map_create + call. + + The implementations are: + GL_ARRAY_MAP a growable array + GL_LINKEDHASH_MAP a hash table with a linked list + GL_HASH_MAP a hash table + + The memory consumption is asymptotically the same: O(1) for every pair + in the map. When looking more closely at the average memory consumed + for an object, GL_ARRAY_MAP is the most compact representation, then comes + GL_HASH_MAP, and GL_LINKEDHASH_MAP needs the most memory. + + The guaranteed average performance of the operations is, for a map of + n pairs: + + Operation ARRAY LINKEDHASH + HASH + + gl_map_size O(1) O(1) + gl_map_get O(n) O(1) + gl_map_put O(n) O(1) + gl_map_remove O(n) O(1) + gl_map_search O(n) O(1) + gl_map_iterator O(1) O(1) + gl_map_iterator_next O(1) O(1) + */ + +/* --------------------------- gl_map_t Data Type --------------------------- */ + +/* Type of function used to compare two keys. + NULL denotes pointer comparison. */ +typedef bool (*gl_mapkey_equals_fn) (const void *key1, const void *key2); + +/* Type of function used to compute a hash code. + NULL denotes a function that depends only on the pointer itself. */ +typedef size_t (*gl_mapkey_hashcode_fn) (const void *key); + +#ifndef _GL_MAP_DISPOSE_FNS_DEFINED + +/* Type of function used to dispose a key once a (key, value) pair is removed + from a map. NULL denotes a no-op. */ +typedef void (*gl_mapkey_dispose_fn) (const void *key); + +/* Type of function used to dispose a value once a (key, value) pair is removed + from a map. NULL denotes a no-op. */ +typedef void (*gl_mapvalue_dispose_fn) (const void *value); + +# define _GL_MAP_DISPOSE_FNS_DEFINED 1 +#endif + +struct gl_map_impl; +/* Type representing an entire map. */ +typedef struct gl_map_impl * gl_map_t; + +struct gl_map_implementation; +/* Type representing a map datatype implementation. */ +typedef const struct gl_map_implementation * gl_map_implementation_t; + +#if 0 /* Unless otherwise specified, these are defined inline below. */ + +/* Creates an empty map. + IMPLEMENTATION is one of GL_ARRAY_MAP, GL_LINKEDHASH_MAP, GL_HASH_MAP. + EQUALS_FN is a key comparison function or NULL. + HASHCODE_FN is a key hash code function or NULL. + KDISPOSE_FN is a key disposal function or NULL. + VDISPOSE_FN is a value disposal function or NULL. */ +/* declared in gl_xmap.h */ +extern gl_map_t gl_map_create_empty (gl_map_implementation_t implementation, + gl_mapkey_equals_fn equals_fn, + gl_mapkey_hashcode_fn hashcode_fn, + gl_mapkey_dispose_fn kdispose_fn, + gl_mapvalue_dispose_fn vdispose_fn); +/* Likewise. Returns NULL upon out-of-memory. */ +extern gl_map_t gl_map_nx_create_empty (gl_map_implementation_t implementation, + gl_mapkey_equals_fn equals_fn, + gl_mapkey_hashcode_fn hashcode_fn, + gl_mapkey_dispose_fn kdispose_fn, + gl_mapvalue_dispose_fn vdispose_fn); + +/* Returns the current number of pairs in a map. */ +extern size_t gl_map_size (gl_map_t map); + +/* Searches whether a pair with the given key is already in the map. + Returns the value if found, or NULL if not present in the map. */ +extern const void * gl_map_get (gl_map_t map, const void *key); + +/* Searches whether a pair with the given key is already in the map. + Returns true and sets *VALUEP to the value if found. + Returns false if not present in the map. */ +extern bool gl_map_search (gl_map_t map, const void *key, const void **valuep); + +/* Adds a pair to a map. + Returns true if a pair with the given key was not already in the map and so + this pair was added. + Returns false if a pair with the given key was already in the map and only + its value was replaced. */ +/* declared in gl_xmap.h */ +extern bool gl_map_put (gl_map_t map, const void *key, const void *value); +/* Likewise. Returns -1 upon out-of-memory. */ +extern int gl_map_nx_put (gl_map_t map, const void *key, const void *value) + _GL_ATTRIBUTE_NODISCARD; + +/* Adds a pair to a map and retrieves the previous value. + Returns true if a pair with the given key was not already in the map and so + this pair was added. + Returns false and sets *OLDVALUEP to the previous value, if a pair with the + given key was already in the map and only its value was replaced. */ +/* declared in gl_xmap.h */ +extern bool gl_map_getput (gl_map_t map, const void *key, const void *value, + const void **oldvaluep); +/* Likewise. Returns -1 upon out-of-memory. */ +extern int gl_map_nx_getput (gl_map_t map, const void *key, const void *value, + const void **oldvaluep) + _GL_ATTRIBUTE_NODISCARD; + +/* Removes a pair from a map. + Returns true if the key was found and its pair removed. + Returns false otherwise. */ +extern bool gl_map_remove (gl_map_t map, const void *key); + +/* Removes a pair from a map and retrieves the previous value. + Returns true and sets *OLDVALUEP to the previous value, if the key was found + and its pair removed. + Returns false otherwise. */ +extern bool gl_map_getremove (gl_map_t map, const void *key, + const void **oldvaluep); + +/* Frees an entire map. + (But this call does not free the keys and values of the pairs in the map. + It only invokes the KDISPOSE_FN on each key and the VDISPOSE_FN on each value + of the pairs in the map.) */ +extern void gl_map_free (gl_map_t map); + +#endif /* End of inline and gl_xmap.h-defined functions. */ + +/* ---------------------- gl_map_iterator_t Data Type ---------------------- */ + +/* Functions for iterating through a map. + Note: Iterating through a map of type GL_HASH_MAP returns the pairs in an + unpredictable order. If you need a predictable order, use GL_LINKEDHASH_MAP + instead of GL_HASH_MAP. */ + +/* Type of an iterator that traverses a map. + This is a fixed-size struct, so that creation of an iterator doesn't need + memory allocation on the heap. */ +typedef struct +{ + /* For fast dispatch of gl_map_iterator_next. */ + const struct gl_map_implementation *vtable; + /* For detecting whether the last returned pair was removed. */ + gl_map_t map; + size_t count; + /* Other, implementation-private fields. */ + void *p; void *q; + size_t i; size_t j; +} gl_map_iterator_t; + +#if 0 /* These are defined inline below. */ + +/* Creates an iterator traversing a map. + The map's contents must not be modified while the iterator is in use, + except for modifying the value of the last returned key or removing the + last returned pair. */ +extern gl_map_iterator_t gl_map_iterator (gl_map_t map); + +/* If there is a next pair, stores the next pair in *KEYP and *VALUEP, advances + the iterator, and returns true. Otherwise, returns false. */ +extern bool gl_map_iterator_next (gl_map_iterator_t *iterator, + const void **keyp, const void **valuep); + +/* Frees an iterator. */ +extern void gl_map_iterator_free (gl_map_iterator_t *iterator); + +#endif /* End of inline functions. */ + +/* ------------------------- Implementation Details ------------------------- */ + +struct gl_map_implementation +{ + /* gl_map_t functions. */ + gl_map_t (*nx_create_empty) (gl_map_implementation_t implementation, + gl_mapkey_equals_fn equals_fn, + gl_mapkey_hashcode_fn hashcode_fn, + gl_mapkey_dispose_fn kdispose_fn, + gl_mapvalue_dispose_fn vdispose_fn); + size_t (*size) (gl_map_t map); + bool (*search) (gl_map_t map, const void *key, const void **valuep); + int (*nx_getput) (gl_map_t map, const void *key, const void *value, + const void **oldvaluep); + bool (*getremove) (gl_map_t map, const void *key, const void **oldvaluep); + void (*map_free) (gl_map_t map); + /* gl_map_iterator_t functions. */ + gl_map_iterator_t (*iterator) (gl_map_t map); + bool (*iterator_next) (gl_map_iterator_t *iterator, + const void **keyp, const void **valuep); + void (*iterator_free) (gl_map_iterator_t *iterator); +}; + +struct gl_map_impl_base +{ + const struct gl_map_implementation *vtable; + gl_mapkey_equals_fn equals_fn; + gl_mapkey_dispose_fn kdispose_fn; + gl_mapvalue_dispose_fn vdispose_fn; +}; + +/* Define most functions of this file as accesses to the + struct gl_map_implementation. */ + +GL_MAP_INLINE gl_map_t +gl_map_nx_create_empty (gl_map_implementation_t implementation, + gl_mapkey_equals_fn equals_fn, + gl_mapkey_hashcode_fn hashcode_fn, + gl_mapkey_dispose_fn kdispose_fn, + gl_mapvalue_dispose_fn vdispose_fn) +{ + return implementation->nx_create_empty (implementation, + equals_fn, hashcode_fn, + kdispose_fn, vdispose_fn); +} + +GL_MAP_INLINE size_t +gl_map_size (gl_map_t map) +{ + return ((const struct gl_map_impl_base *) map)->vtable->size (map); +} + +GL_MAP_INLINE bool +gl_map_search (gl_map_t map, const void *key, const void **valuep) +{ + return ((const struct gl_map_impl_base *) map)->vtable + ->search (map, key, valuep); +} + +GL_MAP_INLINE _GL_ATTRIBUTE_NODISCARD int +gl_map_nx_getput (gl_map_t map, const void *key, const void *value, + const void **oldvaluep) +{ + return ((const struct gl_map_impl_base *) map)->vtable + ->nx_getput (map, key, value, oldvaluep); +} + +GL_MAP_INLINE bool +gl_map_getremove (gl_map_t map, const void *key, const void **oldvaluep) +{ + return ((const struct gl_map_impl_base *) map)->vtable + ->getremove (map, key, oldvaluep); +} + +GL_MAP_INLINE void +gl_map_free (gl_map_t map) +{ + ((const struct gl_map_impl_base *) map)->vtable->map_free (map); +} + +GL_MAP_INLINE gl_map_iterator_t +gl_map_iterator (gl_map_t map) +{ + return ((const struct gl_map_impl_base *) map)->vtable->iterator (map); +} + +GL_MAP_INLINE bool +gl_map_iterator_next (gl_map_iterator_t *iterator, + const void **keyp, const void **valuep) +{ + return iterator->vtable->iterator_next (iterator, keyp, valuep); +} + +GL_MAP_INLINE void +gl_map_iterator_free (gl_map_iterator_t *iterator) +{ + iterator->vtable->iterator_free (iterator); +} + +/* Define the convenience functions, that is, the functions that are independent + of the implementation. */ + +GL_MAP_INLINE const void * +gl_map_get (gl_map_t map, const void *key) +{ + const void *value = NULL; + gl_map_search (map, key, &value); + return value; +} + +GL_MAP_INLINE _GL_ATTRIBUTE_NODISCARD int +gl_map_nx_put (gl_map_t map, const void *key, const void *value) +{ + const void *oldvalue; + int result = gl_map_nx_getput (map, key, value, &oldvalue); + if (result == 0) + { + gl_mapvalue_dispose_fn vdispose_fn = + ((const struct gl_map_impl_base *) map)->vdispose_fn; + if (vdispose_fn != NULL) + vdispose_fn (oldvalue); + } + return result; +} + +GL_MAP_INLINE bool +gl_map_remove (gl_map_t map, const void *key) +{ + const void *oldvalue; + bool result = gl_map_getremove (map, key, &oldvalue); + if (result) + { + gl_mapvalue_dispose_fn vdispose_fn = + ((const struct gl_map_impl_base *) map)->vdispose_fn; + if (vdispose_fn != NULL) + vdispose_fn (oldvalue); + } + return result; +} + +#ifdef __cplusplus +} +#endif + +_GL_INLINE_HEADER_END + +#endif /* _GL_MAP_H */ diff --git a/src/gnulib/limits.in.h b/src/gnulib/limits.in.h new file mode 100644 index 000000000..076ab9ef5 --- /dev/null +++ b/src/gnulib/limits.in.h @@ -0,0 +1,121 @@ +/* A GNU-like . + + Copyright 2016-2021 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License + as published by the Free Software Foundation; either version 3, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, see . */ + +#if __GNUC__ >= 3 +@PRAGMA_SYSTEM_HEADER@ +#endif +@PRAGMA_COLUMNS@ + +#if defined _GL_ALREADY_INCLUDING_LIMITS_H +/* Special invocation convention: + On Haiku/x86_64, we have a sequence of nested includes + -> -> . + In this situation, LONG_MAX and INT_MAX are not yet defined, + therefore we should not attempt to define LONG_BIT. */ + +#@INCLUDE_NEXT@ @NEXT_LIMITS_H@ + +#else +/* Normal invocation convention. */ + +#ifndef _@GUARD_PREFIX@_LIMITS_H + +# define _GL_ALREADY_INCLUDING_LIMITS_H + +/* The include_next requires a split double-inclusion guard. */ +# @INCLUDE_NEXT@ @NEXT_LIMITS_H@ + +# undef _GL_ALREADY_INCLUDING_LIMITS_H + +#ifndef _@GUARD_PREFIX@_LIMITS_H +#define _@GUARD_PREFIX@_LIMITS_H + +#ifndef LLONG_MIN +# if defined LONG_LONG_MIN /* HP-UX 11.31 */ +# define LLONG_MIN LONG_LONG_MIN +# elif defined LONGLONG_MIN /* IRIX 6.5 */ +# define LLONG_MIN LONGLONG_MIN +# elif defined __GNUC__ +# define LLONG_MIN (- __LONG_LONG_MAX__ - 1LL) +# endif +#endif +#ifndef LLONG_MAX +# if defined LONG_LONG_MAX /* HP-UX 11.31 */ +# define LLONG_MAX LONG_LONG_MAX +# elif defined LONGLONG_MAX /* IRIX 6.5 */ +# define LLONG_MAX LONGLONG_MAX +# elif defined __GNUC__ +# define LLONG_MAX __LONG_LONG_MAX__ +# endif +#endif +#ifndef ULLONG_MAX +# if defined ULONG_LONG_MAX /* HP-UX 11.31 */ +# define ULLONG_MAX ULONG_LONG_MAX +# elif defined ULONGLONG_MAX /* IRIX 6.5 */ +# define ULLONG_MAX ULONGLONG_MAX +# elif defined __GNUC__ +# define ULLONG_MAX (__LONG_LONG_MAX__ * 2ULL + 1ULL) +# endif +#endif + +/* The number of usable bits in an unsigned or signed integer type + with minimum value MIN and maximum value MAX, as an int expression + suitable in #if. Cover all known practical hosts. This + implementation exploits the fact that MAX is 1 less than a power of + 2, and merely counts the number of 1 bits in MAX; "COBn" means + "count the number of 1 bits in the low-order n bits"). */ +#define _GL_INTEGER_WIDTH(min, max) (((min) < 0) + _GL_COB128 (max)) +#define _GL_COB128(n) (_GL_COB64 ((n) >> 31 >> 31 >> 2) + _GL_COB64 (n)) +#define _GL_COB64(n) (_GL_COB32 ((n) >> 31 >> 1) + _GL_COB32 (n)) +#define _GL_COB32(n) (_GL_COB16 ((n) >> 16) + _GL_COB16 (n)) +#define _GL_COB16(n) (_GL_COB8 ((n) >> 8) + _GL_COB8 (n)) +#define _GL_COB8(n) (_GL_COB4 ((n) >> 4) + _GL_COB4 (n)) +#define _GL_COB4(n) (!!((n) & 8) + !!((n) & 4) + !!((n) & 2) + !!((n) & 1)) + +#ifndef WORD_BIT +/* Assume 'int' is 32 bits wide. */ +# define WORD_BIT 32 +#endif +#ifndef LONG_BIT +/* Assume 'long' is 32 or 64 bits wide. */ +# if LONG_MAX == INT_MAX +# define LONG_BIT 32 +# else +# define LONG_BIT 64 +# endif +#endif + +/* Macros specified by ISO/IEC TS 18661-1:2014. */ + +#if (! defined ULLONG_WIDTH \ + && (defined _GNU_SOURCE || defined __STDC_WANT_IEC_60559_BFP_EXT__)) +# define CHAR_WIDTH _GL_INTEGER_WIDTH (CHAR_MIN, CHAR_MAX) +# define SCHAR_WIDTH _GL_INTEGER_WIDTH (SCHAR_MIN, SCHAR_MAX) +# define UCHAR_WIDTH _GL_INTEGER_WIDTH (0, UCHAR_MAX) +# define SHRT_WIDTH _GL_INTEGER_WIDTH (SHRT_MIN, SHRT_MAX) +# define USHRT_WIDTH _GL_INTEGER_WIDTH (0, USHRT_MAX) +# define INT_WIDTH _GL_INTEGER_WIDTH (INT_MIN, INT_MAX) +# define UINT_WIDTH _GL_INTEGER_WIDTH (0, UINT_MAX) +# define LONG_WIDTH _GL_INTEGER_WIDTH (LONG_MIN, LONG_MAX) +# define ULONG_WIDTH _GL_INTEGER_WIDTH (0, ULONG_MAX) +# define LLONG_WIDTH _GL_INTEGER_WIDTH (LLONG_MIN, LLONG_MAX) +# define ULLONG_WIDTH _GL_INTEGER_WIDTH (0, ULLONG_MAX) +#endif /* !ULLONG_WIDTH && (_GNU_SOURCE || __STDC_WANT_IEC_60559_BFP_EXT__) */ + +#endif /* _@GUARD_PREFIX@_LIMITS_H */ +#endif /* _@GUARD_PREFIX@_LIMITS_H */ +#endif diff --git a/src/gnulib/size_max.h b/src/gnulib/size_max.h new file mode 100644 index 000000000..16cfa0968 --- /dev/null +++ b/src/gnulib/size_max.h @@ -0,0 +1,30 @@ +/* size_max.h -- declare SIZE_MAX through system headers + Copyright (C) 2005-2006, 2009-2021 Free Software Foundation, Inc. + Written by Simon Josefsson. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, see . */ + +#ifndef GNULIB_SIZE_MAX_H +#define GNULIB_SIZE_MAX_H + +/* Get SIZE_MAX declaration on systems like Solaris 7/8/9. */ +# include +/* Get SIZE_MAX declaration on systems like glibc 2. */ +# if HAVE_STDINT_H +# include +# endif +/* On systems where these include files don't define it, SIZE_MAX is defined + in config.h. */ + +#endif /* GNULIB_SIZE_MAX_H */ diff --git a/src/gnulib/stdbool.in.h b/src/gnulib/stdbool.in.h new file mode 100644 index 000000000..28e0a5355 --- /dev/null +++ b/src/gnulib/stdbool.in.h @@ -0,0 +1,132 @@ +/* Copyright (C) 2001-2003, 2006-2021 Free Software Foundation, Inc. + Written by Bruno Haible , 2001. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, see . */ + +#ifndef _GL_STDBOOL_H +#define _GL_STDBOOL_H + +/* ISO C 99 for platforms that lack it. */ + +/* Usage suggestions: + + Programs that use should be aware of some limitations + and standards compliance issues. + + Standards compliance: + + - must be #included before 'bool', 'false', 'true' + can be used. + + - You cannot assume that sizeof (bool) == 1. + + - Programs should not undefine the macros bool, true, and false, + as C99 lists that as an "obsolescent feature". + + Limitations of this substitute, when used in a C89 environment: + + - must be #included before the '_Bool' type can be used. + + - You cannot assume that _Bool is a typedef; it might be a macro. + + - Bit-fields of type 'bool' are not supported. Portable code + should use 'unsigned int foo : 1;' rather than 'bool foo : 1;'. + + - In C99, casts and automatic conversions to '_Bool' or 'bool' are + performed in such a way that every nonzero value gets converted + to 'true', and zero gets converted to 'false'. This doesn't work + with this substitute. With this substitute, only the values 0 and 1 + give the expected result when converted to _Bool' or 'bool'. + + - C99 allows the use of (_Bool)0.0 in constant expressions, but + this substitute cannot always provide this property. + + Also, it is suggested that programs use 'bool' rather than '_Bool'; + this isn't required, but 'bool' is more common. */ + + +/* 7.16. Boolean type and values */ + +/* BeOS already #defines false 0, true 1. We use the same + definitions below, but temporarily we have to #undef them. */ +#if defined __BEOS__ && !defined __HAIKU__ +# include /* defines bool but not _Bool */ +# undef false +# undef true +#endif + +#ifdef __cplusplus +# define _Bool bool +# define bool bool +#else +# if defined __BEOS__ && !defined __HAIKU__ + /* A compiler known to have 'bool'. */ + /* If the compiler already has both 'bool' and '_Bool', we can assume they + are the same types. */ +# if !@HAVE__BOOL@ +typedef bool _Bool; +# endif +# else +# if !defined __GNUC__ + /* If @HAVE__BOOL@: + Some HP-UX cc and AIX IBM C compiler versions have compiler bugs when + the built-in _Bool type is used. See + https://gcc.gnu.org/ml/gcc-patches/2003-12/msg02303.html + https://lists.gnu.org/r/bug-coreutils/2005-11/msg00161.html + https://lists.gnu.org/r/bug-coreutils/2005-10/msg00086.html + Similar bugs are likely with other compilers as well; this file + wouldn't be used if was working. + So we override the _Bool type. + If !@HAVE__BOOL@: + Need to define _Bool ourselves. As 'signed char' or as an enum type? + Use of a typedef, with SunPRO C, leads to a stupid + "warning: _Bool is a keyword in ISO C99". + Use of an enum type, with IRIX cc, leads to a stupid + "warning(1185): enumerated type mixed with another type". + Even the existence of an enum type, without a typedef, + "Invalid enumerator. (badenum)" with HP-UX cc on Tru64. + The only benefit of the enum, debuggability, is not important + with these compilers. So use 'signed char' and no enum. */ +# define _Bool signed char +# else + /* With this compiler, trust the _Bool type if the compiler has it. */ +# if !@HAVE__BOOL@ + /* For the sake of symbolic names in gdb, define true and false as + enum constants, not only as macros. + It is tempting to write + typedef enum { false = 0, true = 1 } _Bool; + so that gdb prints values of type 'bool' symbolically. But then + values of type '_Bool' might promote to 'int' or 'unsigned int' + (see ISO C 99 6.7.2.2.(4)); however, '_Bool' must promote to 'int' + (see ISO C 99 6.3.1.1.(2)). So add a negative value to the + enum; this ensures that '_Bool' promotes to 'int'. */ +typedef enum { _Bool_must_promote_to_int = -1, false = 0, true = 1 } _Bool; +# endif +# endif +# endif +# define bool _Bool +#endif + +/* The other macros must be usable in preprocessor directives. */ +#ifdef __cplusplus +# define false false +# define true true +#else +# define false 0 +# define true 1 +#endif + +#define __bool_true_false_are_defined 1 + +#endif /* _GL_STDBOOL_H */ diff --git a/src/gnulib/stdint.in.h b/src/gnulib/stdint.in.h new file mode 100644 index 000000000..7a8f27cef --- /dev/null +++ b/src/gnulib/stdint.in.h @@ -0,0 +1,740 @@ +/* Copyright (C) 2001-2002, 2004-2021 Free Software Foundation, Inc. + Written by Paul Eggert, Bruno Haible, Sam Steingold, Peter Burwood. + This file is part of gnulib. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, see . */ + +/* + * ISO C 99 for platforms that lack it. + * + */ + +#ifndef _@GUARD_PREFIX@_STDINT_H + +#if __GNUC__ >= 3 +@PRAGMA_SYSTEM_HEADER@ +#endif +@PRAGMA_COLUMNS@ + +/* When including a system file that in turn includes , + use the system , not our substitute. This avoids + problems with (for example) VMS, whose includes + . */ +#define _GL_JUST_INCLUDE_SYSTEM_INTTYPES_H + +/* On Android (Bionic libc), includes this file before + having defined 'time_t'. Therefore in this case avoid including + other system header files; just include the system's . + Ideally we should test __BIONIC__ here, but it is only defined after + has been included; hence test __ANDROID__ instead. */ +#if defined __ANDROID__ && defined _GL_INCLUDING_SYS_TYPES_H +# @INCLUDE_NEXT@ @NEXT_STDINT_H@ +#else + +/* Get those types that are already defined in other system include + files, so that we can "#define int8_t signed char" below without + worrying about a later system include file containing a "typedef + signed char int8_t;" that will get messed up by our macro. Our + macros should all be consistent with the system versions, except + for the "fast" types and macros, which we recommend against using + in public interfaces due to compiler differences. */ + +#if @HAVE_STDINT_H@ +# if defined __sgi && ! defined __c99 + /* Bypass IRIX's if in C89 mode, since it merely annoys users + with "This header file is to be used only for c99 mode compilations" + diagnostics. */ +# define __STDINT_H__ +# endif + + /* Some pre-C++11 implementations need this. */ +# ifdef __cplusplus +# ifndef __STDC_CONSTANT_MACROS +# define __STDC_CONSTANT_MACROS 1 +# endif +# ifndef __STDC_LIMIT_MACROS +# define __STDC_LIMIT_MACROS 1 +# endif +# endif + + /* Other systems may have an incomplete or buggy . + Include it before , since any "#include " + in would reinclude us, skipping our contents because + _@GUARD_PREFIX@_STDINT_H is defined. + The include_next requires a split double-inclusion guard. */ +# @INCLUDE_NEXT@ @NEXT_STDINT_H@ +#endif + +#if ! defined _@GUARD_PREFIX@_STDINT_H && ! defined _GL_JUST_INCLUDE_SYSTEM_STDINT_H +#define _@GUARD_PREFIX@_STDINT_H + +/* Get SCHAR_MIN, SCHAR_MAX, UCHAR_MAX, INT_MIN, INT_MAX, + LONG_MIN, LONG_MAX, ULONG_MAX, _GL_INTEGER_WIDTH. */ +#include + +/* Override WINT_MIN and WINT_MAX if gnulib's or overrides + wint_t. */ +#if @GNULIB_OVERRIDES_WINT_T@ +# undef WINT_MIN +# undef WINT_MAX +# define WINT_MIN 0x0U +# define WINT_MAX 0xffffffffU +#endif + +#if ! @HAVE_C99_STDINT_H@ + +/* defines some of the stdint.h types as well, on glibc, + IRIX 6.5, and OpenBSD 3.8 (via ). + AIX 5.2 isn't needed and causes troubles. + Mac OS X 10.4.6 includes (which is us), but + relies on the system definitions, so include + after @NEXT_STDINT_H@. */ +# if @HAVE_SYS_TYPES_H@ && ! defined _AIX +# include +# endif + +# if @HAVE_INTTYPES_H@ + /* In OpenBSD 3.8, includes , which defines + int{8,16,32,64}_t, uint{8,16,32,64}_t and __BIT_TYPES_DEFINED__. + also defines intptr_t and uintptr_t. */ +# include +# elif @HAVE_SYS_INTTYPES_H@ + /* Solaris 7 has the types except the *_fast*_t types, and + the macros except for *_FAST*_*, INTPTR_MIN, PTRDIFF_MIN, PTRDIFF_MAX. */ +# include +# endif + +# if @HAVE_SYS_BITYPES_H@ && ! defined __BIT_TYPES_DEFINED__ + /* Linux libc4 >= 4.6.7 and libc5 have a that defines + int{8,16,32,64}_t and __BIT_TYPES_DEFINED__. In libc5 >= 5.2.2 it is + included by . */ +# include +# endif + +# undef _GL_JUST_INCLUDE_SYSTEM_INTTYPES_H + +/* Minimum and maximum values for an integer type under the usual assumption. + Return an unspecified value if BITS == 0, adding a check to pacify + picky compilers. */ + +/* These are separate macros, because if you try to merge these macros into + a single one, HP-UX cc rejects the resulting expression in constant + expressions. */ +# define _STDINT_UNSIGNED_MIN(bits, zero) \ + (zero) +# define _STDINT_SIGNED_MIN(bits, zero) \ + (~ _STDINT_MAX (1, bits, zero)) + +# define _STDINT_MAX(signed, bits, zero) \ + (((((zero) + 1) << ((bits) ? (bits) - 1 - (signed) : 0)) - 1) * 2 + 1) + +#if !GNULIB_defined_stdint_types + +/* 7.18.1.1. Exact-width integer types */ + +/* Here we assume a standard architecture where the hardware integer + types have 8, 16, 32, optionally 64 bits. */ + +# undef int8_t +# undef uint8_t +typedef signed char gl_int8_t; +typedef unsigned char gl_uint8_t; +# define int8_t gl_int8_t +# define uint8_t gl_uint8_t + +# undef int16_t +# undef uint16_t +typedef short int gl_int16_t; +typedef unsigned short int gl_uint16_t; +# define int16_t gl_int16_t +# define uint16_t gl_uint16_t + +# undef int32_t +# undef uint32_t +typedef int gl_int32_t; +typedef unsigned int gl_uint32_t; +# define int32_t gl_int32_t +# define uint32_t gl_uint32_t + +/* If the system defines INT64_MAX, assume int64_t works. That way, + if the underlying platform defines int64_t to be a 64-bit long long + int, the code below won't mistakenly define it to be a 64-bit long + int, which would mess up C++ name mangling. We must use #ifdef + rather than #if, to avoid an error with HP-UX 10.20 cc. */ + +# ifdef INT64_MAX +# define GL_INT64_T +# else +/* Do not undefine int64_t if gnulib is not being used with 64-bit + types, since otherwise it breaks platforms like Tandem/NSK. */ +# if LONG_MAX >> 31 >> 31 == 1 +# undef int64_t +typedef long int gl_int64_t; +# define int64_t gl_int64_t +# define GL_INT64_T +# elif defined _MSC_VER +# undef int64_t +typedef __int64 gl_int64_t; +# define int64_t gl_int64_t +# define GL_INT64_T +# else +# undef int64_t +typedef long long int gl_int64_t; +# define int64_t gl_int64_t +# define GL_INT64_T +# endif +# endif + +# ifdef UINT64_MAX +# define GL_UINT64_T +# else +# if ULONG_MAX >> 31 >> 31 >> 1 == 1 +# undef uint64_t +typedef unsigned long int gl_uint64_t; +# define uint64_t gl_uint64_t +# define GL_UINT64_T +# elif defined _MSC_VER +# undef uint64_t +typedef unsigned __int64 gl_uint64_t; +# define uint64_t gl_uint64_t +# define GL_UINT64_T +# else +# undef uint64_t +typedef unsigned long long int gl_uint64_t; +# define uint64_t gl_uint64_t +# define GL_UINT64_T +# endif +# endif + +/* Avoid collision with Solaris 2.5.1 etc. */ +# define _UINT8_T +# define _UINT32_T +# define _UINT64_T + + +/* 7.18.1.2. Minimum-width integer types */ + +/* Here we assume a standard architecture where the hardware integer + types have 8, 16, 32, optionally 64 bits. Therefore the leastN_t types + are the same as the corresponding N_t types. */ + +# undef int_least8_t +# undef uint_least8_t +# undef int_least16_t +# undef uint_least16_t +# undef int_least32_t +# undef uint_least32_t +# undef int_least64_t +# undef uint_least64_t +# define int_least8_t int8_t +# define uint_least8_t uint8_t +# define int_least16_t int16_t +# define uint_least16_t uint16_t +# define int_least32_t int32_t +# define uint_least32_t uint32_t +# ifdef GL_INT64_T +# define int_least64_t int64_t +# endif +# ifdef GL_UINT64_T +# define uint_least64_t uint64_t +# endif + +/* 7.18.1.3. Fastest minimum-width integer types */ + +/* Note: Other substitutes may define these types differently. + It is not recommended to use these types in public header files. */ + +/* Here we assume a standard architecture where the hardware integer + types have 8, 16, 32, optionally 64 bits. Therefore the fastN_t types + are taken from the same list of types. The following code normally + uses types consistent with glibc, as that lessens the chance of + incompatibility with older GNU hosts. */ + +# undef int_fast8_t +# undef uint_fast8_t +# undef int_fast16_t +# undef uint_fast16_t +# undef int_fast32_t +# undef uint_fast32_t +# undef int_fast64_t +# undef uint_fast64_t +typedef signed char gl_int_fast8_t; +typedef unsigned char gl_uint_fast8_t; + +# ifdef __sun +/* Define types compatible with SunOS 5.10, so that code compiled under + earlier SunOS versions works with code compiled under SunOS 5.10. */ +typedef int gl_int_fast32_t; +typedef unsigned int gl_uint_fast32_t; +# else +typedef long int gl_int_fast32_t; +typedef unsigned long int gl_uint_fast32_t; +# endif +typedef gl_int_fast32_t gl_int_fast16_t; +typedef gl_uint_fast32_t gl_uint_fast16_t; + +# define int_fast8_t gl_int_fast8_t +# define uint_fast8_t gl_uint_fast8_t +# define int_fast16_t gl_int_fast16_t +# define uint_fast16_t gl_uint_fast16_t +# define int_fast32_t gl_int_fast32_t +# define uint_fast32_t gl_uint_fast32_t +# ifdef GL_INT64_T +# define int_fast64_t int64_t +# endif +# ifdef GL_UINT64_T +# define uint_fast64_t uint64_t +# endif + +/* 7.18.1.4. Integer types capable of holding object pointers */ + +/* kLIBC's defines _INTPTR_T_DECLARED and needs its own + definitions of intptr_t and uintptr_t (which use int and unsigned) + to avoid clashes with declarations of system functions like sbrk. + Similarly, MinGW WSL-5.4.1 needs its own intptr_t and + uintptr_t to avoid conflicting declarations of system functions like + _findclose in . */ +# if !((defined __KLIBC__ && defined _INTPTR_T_DECLARED) \ + || defined __MINGW32__) +# undef intptr_t +# undef uintptr_t +# ifdef _WIN64 +typedef long long int gl_intptr_t; +typedef unsigned long long int gl_uintptr_t; +# else +typedef long int gl_intptr_t; +typedef unsigned long int gl_uintptr_t; +# endif +# define intptr_t gl_intptr_t +# define uintptr_t gl_uintptr_t +# endif + +/* 7.18.1.5. Greatest-width integer types */ + +/* Note: These types are compiler dependent. It may be unwise to use them in + public header files. */ + +/* If the system defines INTMAX_MAX, assume that intmax_t works, and + similarly for UINTMAX_MAX and uintmax_t. This avoids problems with + assuming one type where another is used by the system. */ + +# ifndef INTMAX_MAX +# undef INTMAX_C +# undef intmax_t +# if LONG_MAX >> 30 == 1 +typedef long long int gl_intmax_t; +# define intmax_t gl_intmax_t +# elif defined GL_INT64_T +# define intmax_t int64_t +# else +typedef long int gl_intmax_t; +# define intmax_t gl_intmax_t +# endif +# endif + +# ifndef UINTMAX_MAX +# undef UINTMAX_C +# undef uintmax_t +# if ULONG_MAX >> 31 == 1 +typedef unsigned long long int gl_uintmax_t; +# define uintmax_t gl_uintmax_t +# elif defined GL_UINT64_T +# define uintmax_t uint64_t +# else +typedef unsigned long int gl_uintmax_t; +# define uintmax_t gl_uintmax_t +# endif +# endif + +/* Verify that intmax_t and uintmax_t have the same size. Too much code + breaks if this is not the case. If this check fails, the reason is likely + to be found in the autoconf macros. */ +typedef int _verify_intmax_size[sizeof (intmax_t) == sizeof (uintmax_t) + ? 1 : -1]; + +# define GNULIB_defined_stdint_types 1 +# endif /* !GNULIB_defined_stdint_types */ + +/* 7.18.2. Limits of specified-width integer types */ + +/* 7.18.2.1. Limits of exact-width integer types */ + +/* Here we assume a standard architecture where the hardware integer + types have 8, 16, 32, optionally 64 bits. */ + +# undef INT8_MIN +# undef INT8_MAX +# undef UINT8_MAX +# define INT8_MIN (~ INT8_MAX) +# define INT8_MAX 127 +# define UINT8_MAX 255 + +# undef INT16_MIN +# undef INT16_MAX +# undef UINT16_MAX +# define INT16_MIN (~ INT16_MAX) +# define INT16_MAX 32767 +# define UINT16_MAX 65535 + +# undef INT32_MIN +# undef INT32_MAX +# undef UINT32_MAX +# define INT32_MIN (~ INT32_MAX) +# define INT32_MAX 2147483647 +# define UINT32_MAX 4294967295U + +# if defined GL_INT64_T && ! defined INT64_MAX +/* Prefer (- INTMAX_C (1) << 63) over (~ INT64_MAX) because SunPRO C 5.0 + evaluates the latter incorrectly in preprocessor expressions. */ +# define INT64_MIN (- INTMAX_C (1) << 63) +# define INT64_MAX INTMAX_C (9223372036854775807) +# endif + +# if defined GL_UINT64_T && ! defined UINT64_MAX +# define UINT64_MAX UINTMAX_C (18446744073709551615) +# endif + +/* 7.18.2.2. Limits of minimum-width integer types */ + +/* Here we assume a standard architecture where the hardware integer + types have 8, 16, 32, optionally 64 bits. Therefore the leastN_t types + are the same as the corresponding N_t types. */ + +# undef INT_LEAST8_MIN +# undef INT_LEAST8_MAX +# undef UINT_LEAST8_MAX +# define INT_LEAST8_MIN INT8_MIN +# define INT_LEAST8_MAX INT8_MAX +# define UINT_LEAST8_MAX UINT8_MAX + +# undef INT_LEAST16_MIN +# undef INT_LEAST16_MAX +# undef UINT_LEAST16_MAX +# define INT_LEAST16_MIN INT16_MIN +# define INT_LEAST16_MAX INT16_MAX +# define UINT_LEAST16_MAX UINT16_MAX + +# undef INT_LEAST32_MIN +# undef INT_LEAST32_MAX +# undef UINT_LEAST32_MAX +# define INT_LEAST32_MIN INT32_MIN +# define INT_LEAST32_MAX INT32_MAX +# define UINT_LEAST32_MAX UINT32_MAX + +# undef INT_LEAST64_MIN +# undef INT_LEAST64_MAX +# ifdef GL_INT64_T +# define INT_LEAST64_MIN INT64_MIN +# define INT_LEAST64_MAX INT64_MAX +# endif + +# undef UINT_LEAST64_MAX +# ifdef GL_UINT64_T +# define UINT_LEAST64_MAX UINT64_MAX +# endif + +/* 7.18.2.3. Limits of fastest minimum-width integer types */ + +/* Here we assume a standard architecture where the hardware integer + types have 8, 16, 32, optionally 64 bits. Therefore the fastN_t types + are taken from the same list of types. */ + +# undef INT_FAST8_MIN +# undef INT_FAST8_MAX +# undef UINT_FAST8_MAX +# define INT_FAST8_MIN SCHAR_MIN +# define INT_FAST8_MAX SCHAR_MAX +# define UINT_FAST8_MAX UCHAR_MAX + +# undef INT_FAST16_MIN +# undef INT_FAST16_MAX +# undef UINT_FAST16_MAX +# define INT_FAST16_MIN INT_FAST32_MIN +# define INT_FAST16_MAX INT_FAST32_MAX +# define UINT_FAST16_MAX UINT_FAST32_MAX + +# undef INT_FAST32_MIN +# undef INT_FAST32_MAX +# undef UINT_FAST32_MAX +# ifdef __sun +# define INT_FAST32_MIN INT_MIN +# define INT_FAST32_MAX INT_MAX +# define UINT_FAST32_MAX UINT_MAX +# else +# define INT_FAST32_MIN LONG_MIN +# define INT_FAST32_MAX LONG_MAX +# define UINT_FAST32_MAX ULONG_MAX +# endif + +# undef INT_FAST64_MIN +# undef INT_FAST64_MAX +# ifdef GL_INT64_T +# define INT_FAST64_MIN INT64_MIN +# define INT_FAST64_MAX INT64_MAX +# endif + +# undef UINT_FAST64_MAX +# ifdef GL_UINT64_T +# define UINT_FAST64_MAX UINT64_MAX +# endif + +/* 7.18.2.4. Limits of integer types capable of holding object pointers */ + +# undef INTPTR_MIN +# undef INTPTR_MAX +# undef UINTPTR_MAX +# ifdef _WIN64 +# define INTPTR_MIN LLONG_MIN +# define INTPTR_MAX LLONG_MAX +# define UINTPTR_MAX ULLONG_MAX +# else +# define INTPTR_MIN LONG_MIN +# define INTPTR_MAX LONG_MAX +# define UINTPTR_MAX ULONG_MAX +# endif + +/* 7.18.2.5. Limits of greatest-width integer types */ + +# ifndef INTMAX_MAX +# undef INTMAX_MIN +# ifdef INT64_MAX +# define INTMAX_MIN INT64_MIN +# define INTMAX_MAX INT64_MAX +# else +# define INTMAX_MIN INT32_MIN +# define INTMAX_MAX INT32_MAX +# endif +# endif + +# ifndef UINTMAX_MAX +# ifdef UINT64_MAX +# define UINTMAX_MAX UINT64_MAX +# else +# define UINTMAX_MAX UINT32_MAX +# endif +# endif + +/* 7.18.3. Limits of other integer types */ + +/* ptrdiff_t limits */ +# undef PTRDIFF_MIN +# undef PTRDIFF_MAX +# if @APPLE_UNIVERSAL_BUILD@ +# ifdef _LP64 +# define PTRDIFF_MIN _STDINT_SIGNED_MIN (64, 0l) +# define PTRDIFF_MAX _STDINT_MAX (1, 64, 0l) +# else +# define PTRDIFF_MIN _STDINT_SIGNED_MIN (32, 0) +# define PTRDIFF_MAX _STDINT_MAX (1, 32, 0) +# endif +# else +# define PTRDIFF_MIN \ + _STDINT_SIGNED_MIN (@BITSIZEOF_PTRDIFF_T@, 0@PTRDIFF_T_SUFFIX@) +# define PTRDIFF_MAX \ + _STDINT_MAX (1, @BITSIZEOF_PTRDIFF_T@, 0@PTRDIFF_T_SUFFIX@) +# endif + +/* sig_atomic_t limits */ +# undef SIG_ATOMIC_MIN +# undef SIG_ATOMIC_MAX +# if @HAVE_SIGNED_SIG_ATOMIC_T@ +# define SIG_ATOMIC_MIN \ + _STDINT_SIGNED_MIN (@BITSIZEOF_SIG_ATOMIC_T@, 0@SIG_ATOMIC_T_SUFFIX@) +# else +# define SIG_ATOMIC_MIN \ + _STDINT_UNSIGNED_MIN (@BITSIZEOF_SIG_ATOMIC_T@, 0@SIG_ATOMIC_T_SUFFIX@) +# endif +# define SIG_ATOMIC_MAX \ + _STDINT_MAX (@HAVE_SIGNED_SIG_ATOMIC_T@, @BITSIZEOF_SIG_ATOMIC_T@, \ + 0@SIG_ATOMIC_T_SUFFIX@) + + +/* size_t limit */ +# undef SIZE_MAX +# if @APPLE_UNIVERSAL_BUILD@ +# ifdef _LP64 +# define SIZE_MAX _STDINT_MAX (0, 64, 0ul) +# else +# define SIZE_MAX _STDINT_MAX (0, 32, 0ul) +# endif +# else +# define SIZE_MAX _STDINT_MAX (0, @BITSIZEOF_SIZE_T@, 0@SIZE_T_SUFFIX@) +# endif + +/* wchar_t limits */ +/* Get WCHAR_MIN, WCHAR_MAX. + This include is not on the top, above, because on OSF/1 4.0 we have a + sequence of nested includes + -> -> -> , and the latter includes + and assumes its types are already defined. */ +# if @HAVE_WCHAR_H@ && ! (defined WCHAR_MIN && defined WCHAR_MAX) +# define _GL_JUST_INCLUDE_SYSTEM_WCHAR_H +# include +# undef _GL_JUST_INCLUDE_SYSTEM_WCHAR_H +# endif +# undef WCHAR_MIN +# undef WCHAR_MAX +# if @HAVE_SIGNED_WCHAR_T@ +# define WCHAR_MIN \ + _STDINT_SIGNED_MIN (@BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@) +# else +# define WCHAR_MIN \ + _STDINT_UNSIGNED_MIN (@BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@) +# endif +# define WCHAR_MAX \ + _STDINT_MAX (@HAVE_SIGNED_WCHAR_T@, @BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@) + +/* wint_t limits */ +/* If gnulib's or overrides wint_t, @WINT_T_SUFFIX@ is not + accurate, therefore use the definitions from above. */ +# if !@GNULIB_OVERRIDES_WINT_T@ +# undef WINT_MIN +# undef WINT_MAX +# if @HAVE_SIGNED_WINT_T@ +# define WINT_MIN \ + _STDINT_SIGNED_MIN (@BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@) +# else +# define WINT_MIN \ + _STDINT_UNSIGNED_MIN (@BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@) +# endif +# define WINT_MAX \ + _STDINT_MAX (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@) +# endif + +/* 7.18.4. Macros for integer constants */ + +/* 7.18.4.1. Macros for minimum-width integer constants */ +/* According to ISO C 99 Technical Corrigendum 1 */ + +/* Here we assume a standard architecture where the hardware integer + types have 8, 16, 32, optionally 64 bits, and int is 32 bits. */ + +# undef INT8_C +# undef UINT8_C +# define INT8_C(x) x +# define UINT8_C(x) x + +# undef INT16_C +# undef UINT16_C +# define INT16_C(x) x +# define UINT16_C(x) x + +# undef INT32_C +# undef UINT32_C +# define INT32_C(x) x +# define UINT32_C(x) x ## U + +# undef INT64_C +# undef UINT64_C +# if LONG_MAX >> 31 >> 31 == 1 +# define INT64_C(x) x##L +# elif defined _MSC_VER +# define INT64_C(x) x##i64 +# else +# define INT64_C(x) x##LL +# endif +# if ULONG_MAX >> 31 >> 31 >> 1 == 1 +# define UINT64_C(x) x##UL +# elif defined _MSC_VER +# define UINT64_C(x) x##ui64 +# else +# define UINT64_C(x) x##ULL +# endif + +/* 7.18.4.2. Macros for greatest-width integer constants */ + +# ifndef INTMAX_C +# if LONG_MAX >> 30 == 1 +# define INTMAX_C(x) x##LL +# elif defined GL_INT64_T +# define INTMAX_C(x) INT64_C(x) +# else +# define INTMAX_C(x) x##L +# endif +# endif + +# ifndef UINTMAX_C +# if ULONG_MAX >> 31 == 1 +# define UINTMAX_C(x) x##ULL +# elif defined GL_UINT64_T +# define UINTMAX_C(x) UINT64_C(x) +# else +# define UINTMAX_C(x) x##UL +# endif +# endif + +#endif /* !@HAVE_C99_STDINT_H@ */ + +/* Macros specified by ISO/IEC TS 18661-1:2014. */ + +#if (!defined UINTMAX_WIDTH \ + && (defined _GNU_SOURCE || defined __STDC_WANT_IEC_60559_BFP_EXT__)) +# ifdef INT8_MAX +# define INT8_WIDTH _GL_INTEGER_WIDTH (INT8_MIN, INT8_MAX) +# endif +# ifdef UINT8_MAX +# define UINT8_WIDTH _GL_INTEGER_WIDTH (0, UINT8_MAX) +# endif +# ifdef INT16_MAX +# define INT16_WIDTH _GL_INTEGER_WIDTH (INT16_MIN, INT16_MAX) +# endif +# ifdef UINT16_MAX +# define UINT16_WIDTH _GL_INTEGER_WIDTH (0, UINT16_MAX) +# endif +# ifdef INT32_MAX +# define INT32_WIDTH _GL_INTEGER_WIDTH (INT32_MIN, INT32_MAX) +# endif +# ifdef UINT32_MAX +# define UINT32_WIDTH _GL_INTEGER_WIDTH (0, UINT32_MAX) +# endif +# ifdef INT64_MAX +# define INT64_WIDTH _GL_INTEGER_WIDTH (INT64_MIN, INT64_MAX) +# endif +# ifdef UINT64_MAX +# define UINT64_WIDTH _GL_INTEGER_WIDTH (0, UINT64_MAX) +# endif +# define INT_LEAST8_WIDTH _GL_INTEGER_WIDTH (INT_LEAST8_MIN, INT_LEAST8_MAX) +# define UINT_LEAST8_WIDTH _GL_INTEGER_WIDTH (0, UINT_LEAST8_MAX) +# define INT_LEAST16_WIDTH _GL_INTEGER_WIDTH (INT_LEAST16_MIN, INT_LEAST16_MAX) +# define UINT_LEAST16_WIDTH _GL_INTEGER_WIDTH (0, UINT_LEAST16_MAX) +# define INT_LEAST32_WIDTH _GL_INTEGER_WIDTH (INT_LEAST32_MIN, INT_LEAST32_MAX) +# define UINT_LEAST32_WIDTH _GL_INTEGER_WIDTH (0, UINT_LEAST32_MAX) +# define INT_LEAST64_WIDTH _GL_INTEGER_WIDTH (INT_LEAST64_MIN, INT_LEAST64_MAX) +# define UINT_LEAST64_WIDTH _GL_INTEGER_WIDTH (0, UINT_LEAST64_MAX) +# define INT_FAST8_WIDTH _GL_INTEGER_WIDTH (INT_FAST8_MIN, INT_FAST8_MAX) +# define UINT_FAST8_WIDTH _GL_INTEGER_WIDTH (0, UINT_FAST8_MAX) +# define INT_FAST16_WIDTH _GL_INTEGER_WIDTH (INT_FAST16_MIN, INT_FAST16_MAX) +# define UINT_FAST16_WIDTH _GL_INTEGER_WIDTH (0, UINT_FAST16_MAX) +# define INT_FAST32_WIDTH _GL_INTEGER_WIDTH (INT_FAST32_MIN, INT_FAST32_MAX) +# define UINT_FAST32_WIDTH _GL_INTEGER_WIDTH (0, UINT_FAST32_MAX) +# define INT_FAST64_WIDTH _GL_INTEGER_WIDTH (INT_FAST64_MIN, INT_FAST64_MAX) +# define UINT_FAST64_WIDTH _GL_INTEGER_WIDTH (0, UINT_FAST64_MAX) +# define INTPTR_WIDTH _GL_INTEGER_WIDTH (INTPTR_MIN, INTPTR_MAX) +# define UINTPTR_WIDTH _GL_INTEGER_WIDTH (0, UINTPTR_MAX) +# define INTMAX_WIDTH _GL_INTEGER_WIDTH (INTMAX_MIN, INTMAX_MAX) +# define UINTMAX_WIDTH _GL_INTEGER_WIDTH (0, UINTMAX_MAX) +# define PTRDIFF_WIDTH _GL_INTEGER_WIDTH (PTRDIFF_MIN, PTRDIFF_MAX) +# define SIZE_WIDTH _GL_INTEGER_WIDTH (0, SIZE_MAX) +# define WCHAR_WIDTH _GL_INTEGER_WIDTH (WCHAR_MIN, WCHAR_MAX) +# ifdef WINT_MAX +# define WINT_WIDTH _GL_INTEGER_WIDTH (WINT_MIN, WINT_MAX) +# endif +# ifdef SIG_ATOMIC_MAX +# define SIG_ATOMIC_WIDTH _GL_INTEGER_WIDTH (SIG_ATOMIC_MIN, SIG_ATOMIC_MAX) +# endif +#endif /* !WINT_WIDTH && (_GNU_SOURCE || __STDC_WANT_IEC_60559_BFP_EXT__) */ + +#endif /* _@GUARD_PREFIX@_STDINT_H */ +#endif /* !(defined __ANDROID__ && ...) */ +#endif /* !defined _@GUARD_PREFIX@_STDINT_H && !defined _GL_JUST_INCLUDE_SYSTEM_STDINT_H */ diff --git a/src/gnulib/sys_types.in.h b/src/gnulib/sys_types.in.h new file mode 100644 index 000000000..654e80335 --- /dev/null +++ b/src/gnulib/sys_types.in.h @@ -0,0 +1,106 @@ +/* Provide a more complete sys/types.h. + + Copyright (C) 2011-2021 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, see . */ + +#if __GNUC__ >= 3 +@PRAGMA_SYSTEM_HEADER@ +#endif +@PRAGMA_COLUMNS@ + +#if defined _WIN32 && !defined __CYGWIN__ \ + && (defined __need_off_t || defined __need___off64_t \ + || defined __need_ssize_t || defined __need_time_t) + +/* Special invocation convention inside mingw header files. */ + +#@INCLUDE_NEXT@ @NEXT_SYS_TYPES_H@ + +#else +/* Normal invocation convention. */ + +#ifndef _@GUARD_PREFIX@_SYS_TYPES_H + +/* The include_next requires a split double-inclusion guard. */ +# define _GL_INCLUDING_SYS_TYPES_H +#@INCLUDE_NEXT@ @NEXT_SYS_TYPES_H@ +# undef _GL_INCLUDING_SYS_TYPES_H + +#ifndef _@GUARD_PREFIX@_SYS_TYPES_H +#define _@GUARD_PREFIX@_SYS_TYPES_H + +/* Override off_t if Large File Support is requested on native Windows. */ +#if @WINDOWS_64_BIT_OFF_T@ +/* Same as int64_t in . */ +# if defined _MSC_VER +# define off_t __int64 +# else +# define off_t long long int +# endif +/* Indicator, for gnulib internal purposes. */ +# define _GL_WINDOWS_64_BIT_OFF_T 1 +#endif + +/* Override dev_t and ino_t if distinguishable inodes support is requested + on native Windows. */ +#if @WINDOWS_STAT_INODES@ + +# if @WINDOWS_STAT_INODES@ == 2 +/* Experimental, not useful in Windows 10. */ + +/* Define dev_t to a 64-bit type. */ +# if !defined GNULIB_defined_dev_t +typedef unsigned long long int rpl_dev_t; +# undef dev_t +# define dev_t rpl_dev_t +# define GNULIB_defined_dev_t 1 +# endif + +/* Define ino_t to a 128-bit type. */ +# if !defined GNULIB_defined_ino_t +/* MSVC does not have a 128-bit integer type. + GCC has a 128-bit integer type __int128, but only on 64-bit targets. */ +typedef struct { unsigned long long int _gl_ino[2]; } rpl_ino_t; +# undef ino_t +# define ino_t rpl_ino_t +# define GNULIB_defined_ino_t 1 +# endif + +# else /* @WINDOWS_STAT_INODES@ == 1 */ + +/* Define ino_t to a 64-bit type. */ +# if !defined GNULIB_defined_ino_t +typedef unsigned long long int rpl_ino_t; +# undef ino_t +# define ino_t rpl_ino_t +# define GNULIB_defined_ino_t 1 +# endif + +# endif + +/* Indicator, for gnulib internal purposes. */ +# define _GL_WINDOWS_STAT_INODES @WINDOWS_STAT_INODES@ + +#endif + +/* MSVC 9 defines size_t in , not in . */ +/* But avoid namespace pollution on glibc systems. */ +#if (defined _WIN32 && ! defined __CYGWIN__) && ! defined __GLIBC__ +# include +#endif + +#endif /* _@GUARD_PREFIX@_SYS_TYPES_H */ +#endif /* _@GUARD_PREFIX@_SYS_TYPES_H */ +#endif /* __need_XXX */ diff --git a/src/gnulib/xsize.c b/src/gnulib/xsize.c new file mode 100644 index 000000000..4b4914c2c --- /dev/null +++ b/src/gnulib/xsize.c @@ -0,0 +1,3 @@ +#include +#define XSIZE_INLINE _GL_EXTERN_INLINE +#include "xsize.h" diff --git a/src/gnulib/xsize.h b/src/gnulib/xsize.h new file mode 100644 index 000000000..b69bafc3a --- /dev/null +++ b/src/gnulib/xsize.h @@ -0,0 +1,108 @@ +/* xsize.h -- Checked size_t computations. + + Copyright (C) 2003, 2008-2021 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, see . */ + +#ifndef _XSIZE_H +#define _XSIZE_H + +/* Get size_t. */ +#include + +/* Get SIZE_MAX. */ +#include +#if HAVE_STDINT_H +# include +#endif + +/* Get ATTRIBUTE_PURE. */ +#include "attribute.h" + +#ifndef _GL_INLINE_HEADER_BEGIN + #error "Please include config.h first." +#endif +_GL_INLINE_HEADER_BEGIN +#ifndef XSIZE_INLINE +# define XSIZE_INLINE _GL_INLINE +#endif + +/* The size of memory objects is often computed through expressions of + type size_t. Example: + void* p = malloc (header_size + n * element_size). + These computations can lead to overflow. When this happens, malloc() + returns a piece of memory that is way too small, and the program then + crashes while attempting to fill the memory. + To avoid this, the functions and macros in this file check for overflow. + The convention is that SIZE_MAX represents overflow. + malloc (SIZE_MAX) is not guaranteed to fail -- think of a malloc + implementation that uses mmap --, it's recommended to use size_overflow_p() + or size_in_bounds_p() before invoking malloc(). + The example thus becomes: + size_t size = xsum (header_size, xtimes (n, element_size)); + void *p = (size_in_bounds_p (size) ? malloc (size) : NULL); +*/ + +/* Convert an arbitrary value >= 0 to type size_t. */ +#define xcast_size_t(N) \ + ((N) <= SIZE_MAX ? (size_t) (N) : SIZE_MAX) + +/* Sum of two sizes, with overflow check. */ +XSIZE_INLINE size_t ATTRIBUTE_PURE +xsum (size_t size1, size_t size2) +{ + size_t sum = size1 + size2; + return (sum >= size1 ? sum : SIZE_MAX); +} + +/* Sum of three sizes, with overflow check. */ +XSIZE_INLINE size_t ATTRIBUTE_PURE +xsum3 (size_t size1, size_t size2, size_t size3) +{ + return xsum (xsum (size1, size2), size3); +} + +/* Sum of four sizes, with overflow check. */ +XSIZE_INLINE size_t ATTRIBUTE_PURE +xsum4 (size_t size1, size_t size2, size_t size3, size_t size4) +{ + return xsum (xsum (xsum (size1, size2), size3), size4); +} + +/* Maximum of two sizes, with overflow check. */ +XSIZE_INLINE size_t ATTRIBUTE_PURE +xmax (size_t size1, size_t size2) +{ + /* No explicit check is needed here, because for any n: + max (SIZE_MAX, n) == SIZE_MAX and max (n, SIZE_MAX) == SIZE_MAX. */ + return (size1 >= size2 ? size1 : size2); +} + +/* Multiplication of a count with an element size, with overflow check. + The count must be >= 0 and the element size must be > 0. + This is a macro, not a function, so that it works correctly even + when N is of a wider type and N > SIZE_MAX. */ +#define xtimes(N, ELSIZE) \ + ((N) <= SIZE_MAX / (ELSIZE) ? (size_t) (N) * (ELSIZE) : SIZE_MAX) + +/* Check for overflow. */ +#define size_overflow_p(SIZE) \ + ((SIZE) == SIZE_MAX) +/* Check against overflow. */ +#define size_in_bounds_p(SIZE) \ + ((SIZE) != SIZE_MAX) + +_GL_INLINE_HEADER_END + +#endif /* _XSIZE_H */ diff --git a/src/helper/binarybuffer.c b/src/helper/binarybuffer.c index 44d139f58..3d35702ac 100644 --- a/src/helper/binarybuffer.c +++ b/src/helper/binarybuffer.c @@ -23,6 +23,7 @@ #include "config.h" #endif +#include "helper/replacements.h" #include "log.h" #include "binarybuffer.h" diff --git a/src/helper/bits.h b/src/helper/bits.h index cdcac9eaf..00d3c0270 100644 --- a/src/helper/bits.h +++ b/src/helper/bits.h @@ -24,6 +24,7 @@ #ifndef OPENOCD_HELPER_BITS_H #define OPENOCD_HELPER_BITS_H +#include #include #define BIT(nr) (1UL << (nr)) diff --git a/src/helper/configuration.c b/src/helper/configuration.c index 114ad2c6c..8f4f11833 100644 --- a/src/helper/configuration.c +++ b/src/helper/configuration.c @@ -18,12 +18,14 @@ * You should have received a copy of the GNU General Public License * * along with this program. If not, see . * ***************************************************************************/ + #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "configuration.h" #include "log.h" +#include "replacements.h" static size_t num_config_files; static char **config_file_names; diff --git a/src/helper/fileio.c b/src/helper/fileio.c index 9dd57e72a..b6f1f4e2c 100644 --- a/src/helper/fileio.c +++ b/src/helper/fileio.c @@ -29,6 +29,7 @@ #include "log.h" #include "configuration.h" #include "fileio.h" +#include "replacements.h" struct fileio { char *url; diff --git a/src/helper/fileio.h b/src/helper/fileio.h index 02592e28d..16c104657 100644 --- a/src/helper/fileio.h +++ b/src/helper/fileio.h @@ -25,6 +25,8 @@ #ifndef OPENOCD_HELPER_FILEIO_H #define OPENOCD_HELPER_FILEIO_H +#include "types.h" + #define FILEIO_MAX_ERROR_STRING (128) enum fileio_type { diff --git a/src/helper/log.c b/src/helper/log.c index 7440b70f6..f5a80623f 100644 --- a/src/helper/log.c +++ b/src/helper/log.c @@ -28,6 +28,7 @@ #include "log.h" #include "command.h" +#include "replacements.h" #include "time_support.h" #include diff --git a/src/helper/options.c b/src/helper/options.c index 0ccbf5642..246c6a8b5 100644 --- a/src/helper/options.c +++ b/src/helper/options.c @@ -31,6 +31,7 @@ #include #include +#include #if IS_DARWIN #include #endif diff --git a/src/helper/replacements.c b/src/helper/replacements.c index b4bb94f06..f4ecb8dfc 100644 --- a/src/helper/replacements.c +++ b/src/helper/replacements.c @@ -62,6 +62,7 @@ void *fill_malloc(size_t size) #ifdef _WIN32 #include +#include #endif /* replacements for gettimeofday */ diff --git a/src/helper/replacements.h b/src/helper/replacements.h index ac5009549..1b6e5bdb8 100644 --- a/src/helper/replacements.h +++ b/src/helper/replacements.h @@ -26,6 +26,7 @@ #define OPENOCD_HELPER_REPLACEMENTS_H #include +#include /* MIN,MAX macros */ #ifndef MIN diff --git a/src/helper/time_support.h b/src/helper/time_support.h index a9f2dffad..3c7d4255b 100644 --- a/src/helper/time_support.h +++ b/src/helper/time_support.h @@ -26,6 +26,7 @@ #define OPENOCD_HELPER_TIME_SUPPORT_H #include +#include "types.h" #ifdef HAVE_SYS_TIME_H #include diff --git a/src/jtag/adapter.c b/src/jtag/adapter.c index af75917a3..13368ab4a 100644 --- a/src/jtag/adapter.c +++ b/src/jtag/adapter.c @@ -37,10 +37,6 @@ #include #include -#ifdef HAVE_STRINGS_H -#include -#endif - /** * @file * Holds support for configuring debug adapters from TCl scripts. diff --git a/src/jtag/aice/aice_pipe.c b/src/jtag/aice/aice_pipe.c index c0e532c9d..2dd24b93f 100644 --- a/src/jtag/aice/aice_pipe.c +++ b/src/jtag/aice/aice_pipe.c @@ -27,6 +27,7 @@ #include #include +#include #include "aice_port.h" #include "aice_pipe.h" diff --git a/src/jtag/aice/aice_transport.c b/src/jtag/aice/aice_transport.c index ea710ad25..0c9f30302 100644 --- a/src/jtag/aice/aice_transport.c +++ b/src/jtag/aice/aice_transport.c @@ -27,6 +27,7 @@ #include #include #include +#include /* */ static int jim_newtap_expected_id(Jim_Nvp *n, Jim_GetOptInfo *goi, diff --git a/src/jtag/aice/aice_usb.c b/src/jtag/aice/aice_usb.c index 7688aeaab..c5a0eb7b7 100644 --- a/src/jtag/aice/aice_usb.c +++ b/src/jtag/aice/aice_usb.c @@ -22,6 +22,7 @@ #include #include #include +#include #include #include #include diff --git a/src/jtag/core.c b/src/jtag/core.c index 5abf832f8..ac589063b 100644 --- a/src/jtag/core.c +++ b/src/jtag/core.c @@ -35,6 +35,7 @@ #include "interface.h" #include #include +#include "helper/system.h" #ifdef HAVE_STRINGS_H #include diff --git a/src/jtag/drivers/arm-jtag-ew.c b/src/jtag/drivers/arm-jtag-ew.c index 40d52acb9..754f93767 100644 --- a/src/jtag/drivers/arm-jtag-ew.c +++ b/src/jtag/drivers/arm-jtag-ew.c @@ -22,6 +22,7 @@ #include #include +#include "helper/system.h" #include #include "usb_common.h" diff --git a/src/jtag/drivers/cmsis_dap.c b/src/jtag/drivers/cmsis_dap.c index 16480ae1e..e2762e1a3 100644 --- a/src/jtag/drivers/cmsis_dap.c +++ b/src/jtag/drivers/cmsis_dap.c @@ -36,6 +36,7 @@ #endif #include +#include "helper/replacements.h" #include #include #include diff --git a/src/jtag/drivers/cmsis_dap_usb_bulk.c b/src/jtag/drivers/cmsis_dap_usb_bulk.c index 0134c0376..9c7644947 100644 --- a/src/jtag/drivers/cmsis_dap_usb_bulk.c +++ b/src/jtag/drivers/cmsis_dap_usb_bulk.c @@ -37,6 +37,7 @@ #include #include +#include #include "cmsis_dap.h" diff --git a/src/jtag/drivers/jlink.c b/src/jtag/drivers/jlink.c index 15d252cfb..8c1a8116d 100644 --- a/src/jtag/drivers/jlink.c +++ b/src/jtag/drivers/jlink.c @@ -39,6 +39,7 @@ #include #include #include +#include #include #include diff --git a/src/jtag/drivers/jtag_usb_common.c b/src/jtag/drivers/jtag_usb_common.c index 969ea8406..f18ea54a2 100644 --- a/src/jtag/drivers/jtag_usb_common.c +++ b/src/jtag/drivers/jtag_usb_common.c @@ -4,6 +4,7 @@ */ #include +#include #include "jtag_usb_common.h" diff --git a/src/jtag/drivers/jtag_usb_common.h b/src/jtag/drivers/jtag_usb_common.h index 8c03742e9..c4c28cc91 100644 --- a/src/jtag/drivers/jtag_usb_common.h +++ b/src/jtag/drivers/jtag_usb_common.h @@ -6,6 +6,9 @@ #ifndef OPENOCD_JTAG_USB_COMMON_H #define OPENOCD_JTAG_USB_COMMON_H +#include +#include + void jtag_usb_set_location(const char *location); const char *jtag_usb_get_location(void); bool jtag_usb_location_equal(uint8_t dev_bus, uint8_t *port_path, diff --git a/src/jtag/drivers/jtag_vpi.c b/src/jtag/drivers/jtag_vpi.c index c5ffe83ba..aeed6a56c 100644 --- a/src/jtag/drivers/jtag_vpi.c +++ b/src/jtag/drivers/jtag_vpi.c @@ -33,7 +33,7 @@ #include #endif -#include +#include "helper/replacements.h" #define NO_TAP_SHIFT 0 #define TAP_SHIFT 1 diff --git a/src/jtag/drivers/mpsse.c b/src/jtag/drivers/mpsse.c index fe8b6b82c..39c49e7b4 100644 --- a/src/jtag/drivers/mpsse.c +++ b/src/jtag/drivers/mpsse.c @@ -22,6 +22,7 @@ #include "mpsse.h" #include "helper/log.h" +#include "helper/replacements.h" #include "helper/time_support.h" #include diff --git a/src/jtag/drivers/remote_bitbang.c b/src/jtag/drivers/remote_bitbang.c index 663795296..ef27056c7 100644 --- a/src/jtag/drivers/remote_bitbang.c +++ b/src/jtag/drivers/remote_bitbang.c @@ -24,6 +24,8 @@ #include #include #endif +#include "helper/system.h" +#include "helper/replacements.h" #include #include "bitbang.h" diff --git a/src/jtag/drivers/rlink.c b/src/jtag/drivers/rlink.c index be4ad08bf..d15dba750 100644 --- a/src/jtag/drivers/rlink.c +++ b/src/jtag/drivers/rlink.c @@ -29,6 +29,7 @@ /* project specific includes */ #include #include +#include "helper/replacements.h" #include "rlink.h" #include "rlink_st7.h" #include "rlink_ep1_cmd.h" diff --git a/src/jtag/drivers/rlink.h b/src/jtag/drivers/rlink.h index 74b62580c..0c15a3223 100644 --- a/src/jtag/drivers/rlink.h +++ b/src/jtag/drivers/rlink.h @@ -19,6 +19,7 @@ #ifndef OPENOCD_JTAG_DRIVERS_RLINK_H #define OPENOCD_JTAG_DRIVERS_RLINK_H +#include "helper/types.h" struct rlink_speed_table { uint8_t const *dtc; uint16_t dtc_size; diff --git a/src/jtag/drivers/stlink_usb.c b/src/jtag/drivers/stlink_usb.c index 4545bcba0..a6d7c3a1b 100644 --- a/src/jtag/drivers/stlink_usb.c +++ b/src/jtag/drivers/stlink_usb.c @@ -32,6 +32,7 @@ /* project specific includes */ #include #include +#include #include #include #include diff --git a/src/jtag/drivers/ulink.c b/src/jtag/drivers/ulink.c index ccc023fb8..1b773fa62 100644 --- a/src/jtag/drivers/ulink.c +++ b/src/jtag/drivers/ulink.c @@ -21,6 +21,7 @@ #endif #include +#include "helper/system.h" #include #include #include diff --git a/src/jtag/drivers/usb_blaster/ublast2_access_libusb.c b/src/jtag/drivers/usb_blaster/ublast2_access_libusb.c index 6f15fa70a..15028b7ea 100644 --- a/src/jtag/drivers/usb_blaster/ublast2_access_libusb.c +++ b/src/jtag/drivers/usb_blaster/ublast2_access_libusb.c @@ -23,6 +23,7 @@ #endif #include #include +#include "helper/system.h" #include #include diff --git a/src/jtag/drivers/usb_blaster/usb_blaster.c b/src/jtag/drivers/usb_blaster/usb_blaster.c index 5002a5f53..c312468b4 100644 --- a/src/jtag/drivers/usb_blaster/usb_blaster.c +++ b/src/jtag/drivers/usb_blaster/usb_blaster.c @@ -77,6 +77,7 @@ #include #include #include +#include #include "ublast_access.h" /* system includes */ diff --git a/src/jtag/jtag.h b/src/jtag/jtag.h index 2fa580223..cc403df46 100644 --- a/src/jtag/jtag.h +++ b/src/jtag/jtag.h @@ -24,6 +24,7 @@ #include #include +#include #ifndef DEBUG_JTAG_IOZ #define DEBUG_JTAG_IOZ 64 diff --git a/src/m4/00gnulib.m4 b/src/m4/00gnulib.m4 new file mode 100644 index 000000000..9ba1743e6 --- /dev/null +++ b/src/m4/00gnulib.m4 @@ -0,0 +1,85 @@ +# 00gnulib.m4 serial 8 +dnl Copyright (C) 2009-2021 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl This file must be named something that sorts before all other +dnl gnulib-provided .m4 files. It is needed until the clang fix has +dnl been included in Autoconf. + +# The following definitions arrange to use a compiler option +# -Werror=implicit-function-declaration in AC_CHECK_DECL, when the +# compiler is clang. Without it, clang implicitly declares "known" +# library functions in C mode, but not in C++ mode, which would cause +# Gnulib to omit a declaration and thus later produce an error in C++ +# mode. As of clang 9.0, these "known" functions are identified through +# LIBBUILTIN invocations in the LLVM source file +# llvm/tools/clang/include/clang/Basic/Builtins.def. +# It's not possible to AC_REQUIRE the extra tests from AC_CHECK_DECL, +# because AC_CHECK_DECL, like other Autoconf built-ins, is not supposed +# to AC_REQUIRE anything: some configure.ac files have their first +# AC_CHECK_DECL executed conditionally. Therefore append the extra tests +# to AC_PROG_CC. +AC_DEFUN([gl_COMPILER_CLANG], +[ +dnl AC_REQUIRE([AC_PROG_CC]) + AC_CACHE_CHECK([whether the compiler is clang], + [gl_cv_compiler_clang], + [dnl Use _AC_COMPILE_IFELSE instead of AC_EGREP_CPP, to avoid error + dnl "circular dependency of AC_LANG_COMPILER(C)" if AC_PROG_CC has + dnl not yet been invoked. + _AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[ + #ifdef __clang__ + barfbarf + #endif + ]],[[]]) + ], + [gl_cv_compiler_clang=no], + [gl_cv_compiler_clang=yes]) + ]) +]) +AC_DEFUN([gl_COMPILER_PREPARE_CHECK_DECL], +[ +dnl AC_REQUIRE([AC_PROG_CC]) +dnl AC_REQUIRE([gl_COMPILER_CLANG]) + AC_CACHE_CHECK([for compiler option needed when checking for declarations], + [gl_cv_compiler_check_decl_option], + [if test $gl_cv_compiler_clang = yes; then + dnl Test whether the compiler supports the option + dnl '-Werror=implicit-function-declaration'. + save_ac_compile="$ac_compile" + ac_compile="$ac_compile -Werror=implicit-function-declaration" + dnl Use _AC_COMPILE_IFELSE instead of AC_COMPILE_IFELSE, to avoid a + dnl warning "AC_COMPILE_IFELSE was called before AC_USE_SYSTEM_EXTENSIONS". + _AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]],[[]])], + [gl_cv_compiler_check_decl_option='-Werror=implicit-function-declaration'], + [gl_cv_compiler_check_decl_option=none]) + ac_compile="$save_ac_compile" + else + gl_cv_compiler_check_decl_option=none + fi + ]) + if test "x$gl_cv_compiler_check_decl_option" != xnone; then + ac_compile_for_check_decl="$ac_compile $gl_cv_compiler_check_decl_option" + else + ac_compile_for_check_decl="$ac_compile" + fi +]) +dnl Redefine _AC_CHECK_DECL_BODY so that it references ac_compile_for_check_decl +dnl instead of ac_compile. If, for whatever reason, the override of AC_PROG_CC +dnl in zzgnulib.m4 is inactive, use the original ac_compile. +m4_define([_AC_CHECK_DECL_BODY], +[ ac_save_ac_compile="$ac_compile" + if test -n "$ac_compile_for_check_decl"; then + ac_compile="$ac_compile_for_check_decl" + fi] +m4_defn([_AC_CHECK_DECL_BODY])[ ac_compile="$ac_save_ac_compile" +]) + +# gl_00GNULIB +# ----------- +# Witness macro that this file has been included. Needed to force +# Automake to include this file prior to all other gnulib .m4 files. +AC_DEFUN([gl_00GNULIB]) diff --git a/src/m4/absolute-header.m4 b/src/m4/absolute-header.m4 new file mode 100644 index 000000000..52d80d042 --- /dev/null +++ b/src/m4/absolute-header.m4 @@ -0,0 +1,100 @@ +# absolute-header.m4 serial 17 +dnl Copyright (C) 2006-2021 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Derek Price. + +# gl_ABSOLUTE_HEADER(HEADER1 HEADER2 ...) +# --------------------------------------- +# Find the absolute name of a header file, testing first if the header exists. +# If the header were sys/inttypes.h, this macro would define +# ABSOLUTE_SYS_INTTYPES_H to the '""' quoted absolute name of sys/inttypes.h +# in config.h +# (e.g. '#define ABSOLUTE_SYS_INTTYPES_H "///usr/include/sys/inttypes.h"'). +# The three "///" are to pacify Sun C 5.8, which otherwise would say +# "warning: #include of /usr/include/... may be non-portable". +# Use '""', not '<>', so that the /// cannot be confused with a C99 comment. +# Note: This macro assumes that the header file is not empty after +# preprocessing, i.e. it does not only define preprocessor macros but also +# provides some type/enum definitions or function/variable declarations. +AC_DEFUN([gl_ABSOLUTE_HEADER], +[AC_REQUIRE([AC_CANONICAL_HOST]) +AC_LANG_PREPROC_REQUIRE()dnl +m4_foreach_w([gl_HEADER_NAME], [$1], + [AS_VAR_PUSHDEF([gl_absolute_header], + [gl_cv_absolute_]m4_defn([gl_HEADER_NAME]))dnl + AC_CACHE_CHECK([absolute name of <]m4_defn([gl_HEADER_NAME])[>], + [gl_absolute_header], + [AS_VAR_PUSHDEF([ac_header_exists], + [ac_cv_header_]m4_defn([gl_HEADER_NAME]))dnl + AC_CHECK_HEADERS_ONCE(m4_defn([gl_HEADER_NAME]))dnl + if test AS_VAR_GET([ac_header_exists]) = yes; then + gl_ABSOLUTE_HEADER_ONE(m4_defn([gl_HEADER_NAME])) + fi + AS_VAR_POPDEF([ac_header_exists])dnl + ])dnl + AC_DEFINE_UNQUOTED(AS_TR_CPP([ABSOLUTE_]m4_defn([gl_HEADER_NAME])), + ["AS_VAR_GET([gl_absolute_header])"], + [Define this to an absolute name of <]m4_defn([gl_HEADER_NAME])[>.]) + AS_VAR_POPDEF([gl_absolute_header])dnl +])dnl +])# gl_ABSOLUTE_HEADER + +# gl_ABSOLUTE_HEADER_ONE(HEADER) +# ------------------------------ +# Like gl_ABSOLUTE_HEADER, except that: +# - it assumes that the header exists, +# - it uses the current CPPFLAGS, +# - it does not cache the result, +# - it is silent. +AC_DEFUN([gl_ABSOLUTE_HEADER_ONE], +[ + AC_REQUIRE([AC_CANONICAL_HOST]) + AC_LANG_CONFTEST([AC_LANG_SOURCE([[#include <]]m4_dquote([$1])[[>]])]) + dnl AIX "xlc -E" and "cc -E" omit #line directives for header files + dnl that contain only a #include of other header files and no + dnl non-comment tokens of their own. This leads to a failure to + dnl detect the absolute name of , , + dnl and others. The workaround is to force preservation of comments + dnl through option -C. This ensures all necessary #line directives + dnl are present. GCC supports option -C as well. + case "$host_os" in + aix*) gl_absname_cpp="$ac_cpp -C" ;; + *) gl_absname_cpp="$ac_cpp" ;; + esac +changequote(,) + case "$host_os" in + mingw*) + dnl For the sake of native Windows compilers (excluding gcc), + dnl treat backslash as a directory separator, like /. + dnl Actually, these compilers use a double-backslash as + dnl directory separator, inside the + dnl # line "filename" + dnl directives. + gl_dirsep_regex='[/\\]' + ;; + *) + gl_dirsep_regex='\/' + ;; + esac + dnl A sed expression that turns a string into a basic regular + dnl expression, for use within "/.../". + gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g' + gl_header_literal_regex=`echo '$1' \ + | sed -e "$gl_make_literal_regex_sed"` + gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{ + s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/ + s|^/[^/]|//&| + p + q + }' +changequote([,]) + dnl eval is necessary to expand gl_absname_cpp. + dnl Ultrix and Pyramid sh refuse to redirect output of eval, + dnl so use subshell. + AS_VAR_SET([gl_cv_absolute_]AS_TR_SH([[$1]]), +[`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&AS_MESSAGE_LOG_FD | + sed -n "$gl_absolute_header_sed"`]) +]) diff --git a/src/m4/extern-inline.m4 b/src/m4/extern-inline.m4 new file mode 100644 index 000000000..a2acf126c --- /dev/null +++ b/src/m4/extern-inline.m4 @@ -0,0 +1,114 @@ +dnl 'extern inline' a la ISO C99. + +dnl Copyright 2012-2021 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_EXTERN_INLINE], +[ + AH_VERBATIM([extern_inline], +[/* Please see the Gnulib manual for how to use these macros. + + Suppress extern inline with HP-UX cc, as it appears to be broken; see + . + + Suppress extern inline with Sun C in standards-conformance mode, as it + mishandles inline functions that call each other. E.g., for 'inline void f + (void) { } inline void g (void) { f (); }', c99 incorrectly complains + 'reference to static identifier "f" in extern inline function'. + This bug was observed with Sun C 5.12 SunOS_i386 2011/11/16. + + Suppress extern inline (with or without __attribute__ ((__gnu_inline__))) + on configurations that mistakenly use 'static inline' to implement + functions or macros in standard C headers like . For example, + if isdigit is mistakenly implemented via a static inline function, + a program containing an extern inline function that calls isdigit + may not work since the C standard prohibits extern inline functions + from calling static functions (ISO C 99 section 6.7.4.(3). + This bug is known to occur on: + + OS X 10.8 and earlier; see: + https://lists.gnu.org/r/bug-gnulib/2012-12/msg00023.html + + DragonFly; see + http://muscles.dragonflybsd.org/bulk/clang-master-potential/20141111_102002/logs/ah-tty-0.3.12.log + + FreeBSD; see: + https://lists.gnu.org/r/bug-gnulib/2014-07/msg00104.html + + OS X 10.9 has a macro __header_inline indicating the bug is fixed for C and + for clang but remains for g++; see . + Assume DragonFly and FreeBSD will be similar. + + GCC 4.3 and above with -std=c99 or -std=gnu99 implements ISO C99 + inline semantics, unless -fgnu89-inline is used. It defines a macro + __GNUC_STDC_INLINE__ to indicate this situation or a macro + __GNUC_GNU_INLINE__ to indicate the opposite situation. + GCC 4.2 with -std=c99 or -std=gnu99 implements the GNU C inline + semantics but warns, unless -fgnu89-inline is used: + warning: C99 inline functions are not supported; using GNU89 + warning: to disable this warning use -fgnu89-inline or the gnu_inline function attribute + It defines a macro __GNUC_GNU_INLINE__ to indicate this situation. + */ +#if (((defined __APPLE__ && defined __MACH__) \ + || defined __DragonFly__ || defined __FreeBSD__) \ + && (defined __header_inline \ + ? (defined __cplusplus && defined __GNUC_STDC_INLINE__ \ + && ! defined __clang__) \ + : ((! defined _DONT_USE_CTYPE_INLINE_ \ + && (defined __GNUC__ || defined __cplusplus)) \ + || (defined _FORTIFY_SOURCE && 0 < _FORTIFY_SOURCE \ + && defined __GNUC__ && ! defined __cplusplus)))) +# define _GL_EXTERN_INLINE_STDHEADER_BUG +#endif +#if ((__GNUC__ \ + ? defined __GNUC_STDC_INLINE__ && __GNUC_STDC_INLINE__ \ + : (199901L <= __STDC_VERSION__ \ + && !defined __HP_cc \ + && !defined __PGI \ + && !(defined __SUNPRO_C && __STDC__))) \ + && !defined _GL_EXTERN_INLINE_STDHEADER_BUG) +# define _GL_INLINE inline +# define _GL_EXTERN_INLINE extern inline +# define _GL_EXTERN_INLINE_IN_USE +#elif (2 < __GNUC__ + (7 <= __GNUC_MINOR__) && !defined __STRICT_ANSI__ \ + && !defined _GL_EXTERN_INLINE_STDHEADER_BUG) +# if defined __GNUC_GNU_INLINE__ && __GNUC_GNU_INLINE__ + /* __gnu_inline__ suppresses a GCC 4.2 diagnostic. */ +# define _GL_INLINE extern inline __attribute__ ((__gnu_inline__)) +# else +# define _GL_INLINE extern inline +# endif +# define _GL_EXTERN_INLINE extern +# define _GL_EXTERN_INLINE_IN_USE +#else +# define _GL_INLINE static _GL_UNUSED +# define _GL_EXTERN_INLINE static _GL_UNUSED +#endif + +/* In GCC 4.6 (inclusive) to 5.1 (exclusive), + suppress bogus "no previous prototype for 'FOO'" + and "no previous declaration for 'FOO'" diagnostics, + when FOO is an inline function in the header; see + and + . */ +#if __GNUC__ == 4 && 6 <= __GNUC_MINOR__ +# if defined __GNUC_STDC_INLINE__ && __GNUC_STDC_INLINE__ +# define _GL_INLINE_HEADER_CONST_PRAGMA +# else +# define _GL_INLINE_HEADER_CONST_PRAGMA \ + _Pragma ("GCC diagnostic ignored \"-Wsuggest-attribute=const\"") +# endif +# define _GL_INLINE_HEADER_BEGIN \ + _Pragma ("GCC diagnostic push") \ + _Pragma ("GCC diagnostic ignored \"-Wmissing-prototypes\"") \ + _Pragma ("GCC diagnostic ignored \"-Wmissing-declarations\"") \ + _GL_INLINE_HEADER_CONST_PRAGMA +# define _GL_INLINE_HEADER_END \ + _Pragma ("GCC diagnostic pop") +#else +# define _GL_INLINE_HEADER_BEGIN +# define _GL_INLINE_HEADER_END +#endif]) +]) diff --git a/src/m4/gnulib-cache.m4 b/src/m4/gnulib-cache.m4 new file mode 100644 index 000000000..c9777fede --- /dev/null +++ b/src/m4/gnulib-cache.m4 @@ -0,0 +1,57 @@ +# Copyright (C) 2002-2021 Free Software Foundation, Inc. +# +# This file is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. +# +# This file is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this file. If not, see . +# +# As a special exception to the GNU General Public License, +# this file may be distributed as part of a program that +# contains a configuration script generated by Autoconf, under +# the same distribution terms as the rest of that program. +# +# Generated by gnulib-tool. +# +# This file represents the specification of how gnulib-tool is used. +# It acts as a cache: It is written and read by gnulib-tool. +# In projects that use version control, this file is meant to be put under +# version control, like the configure.ac and various Makefile.am files. + + +# Specification in the form of a command-line invocation: +# gnulib-tool --import \ +# --lib=libgnu \ +# --source-base=src/gnulib \ +# --m4-base=src/m4 \ +# --doc-base=doc \ +# --tests-base=tests \ +# --aux-dir=. \ +# --no-conditional-dependencies \ +# --no-libtool \ +# --macro-prefix=gl \ +# linkedhash-map + +# Specification in the form of a few gnulib-tool.m4 macro invocations: +gl_LOCAL_DIR([]) +gl_MODULES([ + linkedhash-map +]) +gl_AVOID([]) +gl_SOURCE_BASE([src/gnulib]) +gl_M4_BASE([src/m4]) +gl_PO_BASE([]) +gl_DOC_BASE([doc]) +gl_TESTS_BASE([tests]) +gl_LIB([libgnu]) +gl_MAKEFILE_NAME([]) +gl_MACRO_PREFIX([gl]) +gl_PO_DOMAIN([]) +gl_WITNESS_C_MACRO([]) diff --git a/src/m4/gnulib-common.m4 b/src/m4/gnulib-common.m4 new file mode 100644 index 000000000..f2eff10de --- /dev/null +++ b/src/m4/gnulib-common.m4 @@ -0,0 +1,727 @@ +# gnulib-common.m4 serial 63 +dnl Copyright (C) 2007-2021 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_PREREQ([2.62]) + +# gl_COMMON +# is expanded unconditionally through gnulib-tool magic. +AC_DEFUN([gl_COMMON], [ + dnl Use AC_REQUIRE here, so that the code is expanded once only. + AC_REQUIRE([gl_00GNULIB]) + AC_REQUIRE([gl_COMMON_BODY]) + AC_REQUIRE([gl_ZZGNULIB]) +]) +AC_DEFUN([gl_COMMON_BODY], [ + AH_VERBATIM([_GL_GNUC_PREREQ], +[/* True if the compiler says it groks GNU C version MAJOR.MINOR. */ +#if defined __GNUC__ && defined __GNUC_MINOR__ +# define _GL_GNUC_PREREQ(major, minor) \ + ((major) < __GNUC__ + ((minor) <= __GNUC_MINOR__)) +#else +# define _GL_GNUC_PREREQ(major, minor) 0 +#endif +]) + AH_VERBATIM([_Noreturn], +[/* The _Noreturn keyword of C11. */ +#ifndef _Noreturn +# if (defined __cplusplus \ + && ((201103 <= __cplusplus && !(__GNUC__ == 4 && __GNUC_MINOR__ == 7)) \ + || (defined _MSC_VER && 1900 <= _MSC_VER)) \ + && 0) + /* [[noreturn]] is not practically usable, because with it the syntax + extern _Noreturn void func (...); + would not be valid; such a declaration would only be valid with 'extern' + and '_Noreturn' swapped, or without the 'extern' keyword. However, some + AIX system header files and several gnulib header files use precisely + this syntax with 'extern'. */ +# define _Noreturn [[noreturn]] +# elif ((!defined __cplusplus || defined __clang__) \ + && (201112 <= (defined __STDC_VERSION__ ? __STDC_VERSION__ : 0) \ + || (!defined __STRICT_ANSI__ \ + && (_GL_GNUC_PREREQ (4, 7) \ + || (defined __apple_build_version__ \ + ? 6000000 <= __apple_build_version__ \ + : 3 < __clang_major__ + (5 <= __clang_minor__)))))) + /* _Noreturn works as-is. */ +# elif _GL_GNUC_PREREQ (2, 8) || defined __clang__ || 0x5110 <= __SUNPRO_C +# define _Noreturn __attribute__ ((__noreturn__)) +# elif 1200 <= (defined _MSC_VER ? _MSC_VER : 0) +# define _Noreturn __declspec (noreturn) +# else +# define _Noreturn +# endif +#endif +]) + AH_VERBATIM([isoc99_inline], +[/* Work around a bug in Apple GCC 4.0.1 build 5465: In C99 mode, it supports + the ISO C 99 semantics of 'extern inline' (unlike the GNU C semantics of + earlier versions), but does not display it by setting __GNUC_STDC_INLINE__. + __APPLE__ && __MACH__ test for Mac OS X. + __APPLE_CC__ tests for the Apple compiler and its version. + __STDC_VERSION__ tests for the C99 mode. */ +#if defined __APPLE__ && defined __MACH__ && __APPLE_CC__ >= 5465 && !defined __cplusplus && __STDC_VERSION__ >= 199901L && !defined __GNUC_STDC_INLINE__ +# define __GNUC_STDC_INLINE__ 1 +#endif]) + AH_VERBATIM([attribute], +[/* Attributes. */ +#if (defined __has_attribute \ + && (!defined __clang_minor__ \ + || 3 < __clang_major__ + (5 <= __clang_minor__))) +# define _GL_HAS_ATTRIBUTE(attr) __has_attribute (__##attr##__) +#else +# define _GL_HAS_ATTRIBUTE(attr) _GL_ATTR_##attr +# define _GL_ATTR_alloc_size _GL_GNUC_PREREQ (4, 3) +# define _GL_ATTR_always_inline _GL_GNUC_PREREQ (3, 2) +# define _GL_ATTR_artificial _GL_GNUC_PREREQ (4, 3) +# define _GL_ATTR_cold _GL_GNUC_PREREQ (4, 3) +# define _GL_ATTR_const _GL_GNUC_PREREQ (2, 95) +# define _GL_ATTR_deprecated _GL_GNUC_PREREQ (3, 1) +# define _GL_ATTR_diagnose_if 0 +# define _GL_ATTR_error _GL_GNUC_PREREQ (4, 3) +# define _GL_ATTR_externally_visible _GL_GNUC_PREREQ (4, 1) +# define _GL_ATTR_fallthrough _GL_GNUC_PREREQ (7, 0) +# define _GL_ATTR_format _GL_GNUC_PREREQ (2, 7) +# define _GL_ATTR_leaf _GL_GNUC_PREREQ (4, 6) +# ifdef _ICC +# define _GL_ATTR_may_alias 0 +# else +# define _GL_ATTR_may_alias _GL_GNUC_PREREQ (3, 3) +# endif +# define _GL_ATTR_malloc _GL_GNUC_PREREQ (3, 0) +# define _GL_ATTR_noinline _GL_GNUC_PREREQ (3, 1) +# define _GL_ATTR_nonnull _GL_GNUC_PREREQ (3, 3) +# define _GL_ATTR_nonstring _GL_GNUC_PREREQ (8, 0) +# define _GL_ATTR_nothrow _GL_GNUC_PREREQ (3, 3) +# define _GL_ATTR_packed _GL_GNUC_PREREQ (2, 7) +# define _GL_ATTR_pure _GL_GNUC_PREREQ (2, 96) +# define _GL_ATTR_returns_nonnull _GL_GNUC_PREREQ (4, 9) +# define _GL_ATTR_sentinel _GL_GNUC_PREREQ (4, 0) +# define _GL_ATTR_unused _GL_GNUC_PREREQ (2, 7) +# define _GL_ATTR_warn_unused_result _GL_GNUC_PREREQ (3, 4) +#endif + +]dnl There is no _GL_ATTRIBUTE_ALIGNED; use stdalign's _Alignas instead. +[ +#if _GL_HAS_ATTRIBUTE (alloc_size) +# define _GL_ATTRIBUTE_ALLOC_SIZE(args) __attribute__ ((__alloc_size__ args)) +#else +# define _GL_ATTRIBUTE_ALLOC_SIZE(args) +#endif + +#if _GL_HAS_ATTRIBUTE (always_inline) +# define _GL_ATTRIBUTE_ALWAYS_INLINE __attribute__ ((__always_inline__)) +#else +# define _GL_ATTRIBUTE_ALWAYS_INLINE +#endif + +#if _GL_HAS_ATTRIBUTE (artificial) +# define _GL_ATTRIBUTE_ARTIFICIAL __attribute__ ((__artificial__)) +#else +# define _GL_ATTRIBUTE_ARTIFICIAL +#endif + +/* Avoid __attribute__ ((cold)) on MinGW; see thread starting at + . + Also, Oracle Studio 12.6 requires 'cold' not '__cold__'. */ +#if _GL_HAS_ATTRIBUTE (cold) && !defined __MINGW32__ +# ifndef __SUNPRO_C +# define _GL_ATTRIBUTE_COLD __attribute__ ((__cold__)) +# else +# define _GL_ATTRIBUTE_COLD __attribute__ ((cold)) +# endif +#else +# define _GL_ATTRIBUTE_COLD +#endif + +#if _GL_HAS_ATTRIBUTE (const) +# define _GL_ATTRIBUTE_CONST __attribute__ ((__const__)) +#else +# define _GL_ATTRIBUTE_CONST +#endif + +#if 201710L < __STDC_VERSION__ +# define _GL_ATTRIBUTE_DEPRECATED [[__deprecated__]] +#elif _GL_HAS_ATTRIBUTE (deprecated) +# define _GL_ATTRIBUTE_DEPRECATED __attribute__ ((__deprecated__)) +#else +# define _GL_ATTRIBUTE_DEPRECATED +#endif + +#if _GL_HAS_ATTRIBUTE (error) +# define _GL_ATTRIBUTE_ERROR(msg) __attribute__ ((__error__ (msg))) +# define _GL_ATTRIBUTE_WARNING(msg) __attribute__ ((__warning__ (msg))) +#elif _GL_HAS_ATTRIBUTE (diagnose_if) +# define _GL_ATTRIBUTE_ERROR(msg) __attribute__ ((__diagnose_if__ (1, msg, "error"))) +# define _GL_ATTRIBUTE_WARNING(msg) __attribute__ ((__diagnose_if__ (1, msg, "warning"))) +#else +# define _GL_ATTRIBUTE_ERROR(msg) +# define _GL_ATTRIBUTE_WARNING(msg) +#endif + +#if _GL_HAS_ATTRIBUTE (externally_visible) +# define _GL_ATTRIBUTE_EXTERNALLY_VISIBLE __attribute__ ((externally_visible)) +#else +# define _GL_ATTRIBUTE_EXTERNALLY_VISIBLE +#endif + +/* FALLTHROUGH is special, because it always expands to something. */ +#if 201710L < __STDC_VERSION__ +# define _GL_ATTRIBUTE_FALLTHROUGH [[__fallthrough__]] +#elif _GL_HAS_ATTRIBUTE (fallthrough) +# define _GL_ATTRIBUTE_FALLTHROUGH __attribute__ ((__fallthrough__)) +#else +# define _GL_ATTRIBUTE_FALLTHROUGH ((void) 0) +#endif + +#if _GL_HAS_ATTRIBUTE (format) +# define _GL_ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec)) +#else +# define _GL_ATTRIBUTE_FORMAT(spec) +#endif + +#if _GL_HAS_ATTRIBUTE (leaf) +# define _GL_ATTRIBUTE_LEAF __attribute__ ((__leaf__)) +#else +# define _GL_ATTRIBUTE_LEAF +#endif + +/* Oracle Studio 12.6 mishandles may_alias despite __has_attribute OK. */ +#if _GL_HAS_ATTRIBUTE (may_alias) && !defined __SUNPRO_C +# define _GL_ATTRIBUTE_MAY_ALIAS __attribute__ ((__may_alias__)) +#else +# define _GL_ATTRIBUTE_MAY_ALIAS +#endif + +#if 201710L < __STDC_VERSION__ +# define _GL_ATTRIBUTE_MAYBE_UNUSED [[__maybe_unused__]] +#elif _GL_HAS_ATTRIBUTE (unused) +# define _GL_ATTRIBUTE_MAYBE_UNUSED __attribute__ ((__unused__)) +#else +# define _GL_ATTRIBUTE_MAYBE_UNUSED +#endif +/* Earlier spellings of this macro. */ +#define _GL_UNUSED _GL_ATTRIBUTE_MAYBE_UNUSED +#define _UNUSED_PARAMETER_ _GL_ATTRIBUTE_MAYBE_UNUSED + +#if _GL_HAS_ATTRIBUTE (malloc) +# define _GL_ATTRIBUTE_MALLOC __attribute__ ((__malloc__)) +#else +# define _GL_ATTRIBUTE_MALLOC +#endif + +#if 201710L < __STDC_VERSION__ +# define _GL_ATTRIBUTE_NODISCARD [[__nodiscard__]] +#elif _GL_HAS_ATTRIBUTE (warn_unused_result) +# define _GL_ATTRIBUTE_NODISCARD __attribute__ ((__warn_unused_result__)) +#else +# define _GL_ATTRIBUTE_NODISCARD +#endif + +#if _GL_HAS_ATTRIBUTE (noinline) +# define _GL_ATTRIBUTE_NOINLINE __attribute__ ((__noinline__)) +#else +# define _GL_ATTRIBUTE_NOINLINE +#endif + +#if _GL_HAS_ATTRIBUTE (nonnull) +# define _GL_ATTRIBUTE_NONNULL(args) __attribute__ ((__nonnull__ args)) +#else +# define _GL_ATTRIBUTE_NONNULL(args) +#endif + +#if _GL_HAS_ATTRIBUTE (nonstring) +# define _GL_ATTRIBUTE_NONSTRING __attribute__ ((__nonstring__)) +#else +# define _GL_ATTRIBUTE_NONSTRING +#endif + +/* There is no _GL_ATTRIBUTE_NORETURN; use _Noreturn instead. */ + +#if _GL_HAS_ATTRIBUTE (nothrow) && !defined __cplusplus +# define _GL_ATTRIBUTE_NOTHROW __attribute__ ((__nothrow__)) +#else +# define _GL_ATTRIBUTE_NOTHROW +#endif + +#if _GL_HAS_ATTRIBUTE (packed) +# define _GL_ATTRIBUTE_PACKED __attribute__ ((__packed__)) +#else +# define _GL_ATTRIBUTE_PACKED +#endif + +#if _GL_HAS_ATTRIBUTE (pure) +# define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__)) +#else +# define _GL_ATTRIBUTE_PURE +#endif + +#if _GL_HAS_ATTRIBUTE (returns_nonnull) +# define _GL_ATTRIBUTE_RETURNS_NONNULL __attribute__ ((__returns_nonnull__)) +#else +# define _GL_ATTRIBUTE_RETURNS_NONNULL +#endif + +#if _GL_HAS_ATTRIBUTE (sentinel) +# define _GL_ATTRIBUTE_SENTINEL(pos) __attribute__ ((__sentinel__ pos)) +#else +# define _GL_ATTRIBUTE_SENTINEL(pos) +#endif + +]dnl There is no _GL_ATTRIBUTE_VISIBILITY; see m4/visibility.m4 instead. +[ +/* To support C++ as well as C, use _GL_UNUSED_LABEL with trailing ';'. */ +#if !defined __cplusplus || _GL_GNUC_PREREQ (4, 5) +# define _GL_UNUSED_LABEL _GL_ATTRIBUTE_MAYBE_UNUSED +#else +# define _GL_UNUSED_LABEL +#endif +]) + AH_VERBATIM([async_safe], +[/* The _GL_ASYNC_SAFE marker should be attached to functions that are + signal handlers (for signals other than SIGABRT, SIGPIPE) or can be + invoked from such signal handlers. Such functions have some restrictions: + * All functions that it calls should be marked _GL_ASYNC_SAFE as well, + or should be listed as async-signal-safe in POSIX + + section 2.4.3. Note that malloc(), sprintf(), and fwrite(), in + particular, are NOT async-signal-safe. + * All memory locations (variables and struct fields) that these functions + access must be marked 'volatile'. This holds for both read and write + accesses. Otherwise the compiler might optimize away stores to and + reads from such locations that occur in the program, depending on its + data flow analysis. For example, when the program contains a loop + that is intended to inspect a variable set from within a signal handler + while (!signal_occurred) + ; + the compiler is allowed to transform this into an endless loop if the + variable 'signal_occurred' is not declared 'volatile'. + Additionally, recall that: + * A signal handler should not modify errno (except if it is a handler + for a fatal signal and ends by raising the same signal again, thus + provoking the termination of the process). If it invokes a function + that may clobber errno, it needs to save and restore the value of + errno. */ +#define _GL_ASYNC_SAFE +]) + AH_VERBATIM([micro_optimizations], +[/* _GL_CMP (n1, n2) performs a three-valued comparison on n1 vs. n2, where + n1 and n2 are expressions without side effects, that evaluate to real + numbers (excluding NaN). + It returns + 1 if n1 > n2 + 0 if n1 == n2 + -1 if n1 < n2 + The naïve code (n1 > n2 ? 1 : n1 < n2 ? -1 : 0) produces a conditional + jump with nearly all GCC versions up to GCC 10. + This variant (n1 < n2 ? -1 : n1 > n2) produces a conditional with many + GCC versions up to GCC 9. + The better code (n1 > n2) - (n1 < n2) from Hacker's Delight § 2-9 + avoids conditional jumps in all GCC versions >= 3.4. */ +#define _GL_CMP(n1, n2) (((n1) > (n2)) - ((n1) < (n2))) +]) + dnl Hint which direction to take regarding cross-compilation guesses: + dnl When a user installs a program on a platform they are not intimately + dnl familiar with, --enable-cross-guesses=conservative is the appropriate + dnl choice. It implements the "If we don't know, assume the worst" principle. + dnl However, when an operating system developer (on a platform which is not + dnl yet known to gnulib) builds packages for their platform, they want to + dnl expose, not hide, possible platform bugs; in this case, + dnl --enable-cross-guesses=risky is the appropriate choice. + dnl Sets the variables + dnl gl_cross_guess_normal (to be used when 'yes' is good and 'no' is bad), + dnl gl_cross_guess_inverted (to be used when 'no' is good and 'yes' is bad). + AC_ARG_ENABLE([cross-guesses], + [AS_HELP_STRING([--enable-cross-guesses={conservative|risky}], + [specify policy for cross-compilation guesses])], + [if test "x$enableval" != xconservative && test "x$enableval" != xrisky; then + AC_MSG_WARN([invalid argument supplied to --enable-cross-guesses]) + enableval=conservative + fi + gl_cross_guesses="$enableval"], + [gl_cross_guesses=conservative]) + if test $gl_cross_guesses = risky; then + gl_cross_guess_normal="guessing yes" + gl_cross_guess_inverted="guessing no" + else + gl_cross_guess_normal="guessing no" + gl_cross_guess_inverted="guessing yes" + fi + dnl Preparation for running test programs: + dnl Tell glibc to write diagnostics from -D_FORTIFY_SOURCE=2 to stderr, not + dnl to /dev/tty, so they can be redirected to log files. Such diagnostics + dnl arise e.g., in the macros gl_PRINTF_DIRECTIVE_N, gl_SNPRINTF_DIRECTIVE_N. + LIBC_FATAL_STDERR_=1 + export LIBC_FATAL_STDERR_ +]) + +# gl_MODULE_INDICATOR_CONDITION +# expands to a C preprocessor expression that evaluates to 1 or 0, depending +# whether a gnulib module that has been requested shall be considered present +# or not. +m4_define([gl_MODULE_INDICATOR_CONDITION], [1]) + +# gl_MODULE_INDICATOR_SET_VARIABLE([modulename]) +# sets the shell variable that indicates the presence of the given module to +# a C preprocessor expression that will evaluate to 1. +AC_DEFUN([gl_MODULE_INDICATOR_SET_VARIABLE], +[ + gl_MODULE_INDICATOR_SET_VARIABLE_AUX( + [GNULIB_[]m4_translit([[$1]], + [abcdefghijklmnopqrstuvwxyz./-], + [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], + [gl_MODULE_INDICATOR_CONDITION]) +]) + +# gl_MODULE_INDICATOR_SET_VARIABLE_AUX([variable]) +# modifies the shell variable to include the gl_MODULE_INDICATOR_CONDITION. +# The shell variable's value is a C preprocessor expression that evaluates +# to 0 or 1. +AC_DEFUN([gl_MODULE_INDICATOR_SET_VARIABLE_AUX], +[ + m4_if(m4_defn([gl_MODULE_INDICATOR_CONDITION]), [1], + [ + dnl Simplify the expression VALUE || 1 to 1. + $1=1 + ], + [gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([$1], + [gl_MODULE_INDICATOR_CONDITION])]) +]) + +# gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([variable], [condition]) +# modifies the shell variable to include the given condition. The shell +# variable's value is a C preprocessor expression that evaluates to 0 or 1. +AC_DEFUN([gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR], +[ + dnl Simplify the expression 1 || CONDITION to 1. + if test "$[]$1" != 1; then + dnl Simplify the expression 0 || CONDITION to CONDITION. + if test "$[]$1" = 0; then + $1=$2 + else + $1="($[]$1 || $2)" + fi + fi +]) + +# gl_MODULE_INDICATOR([modulename]) +# defines a C macro indicating the presence of the given module +# in a location where it can be used. +# | Value | Value | +# | in lib/ | in tests/ | +# --------------------------------------------+---------+-----------+ +# Module present among main modules: | 1 | 1 | +# --------------------------------------------+---------+-----------+ +# Module present among tests-related modules: | 0 | 1 | +# --------------------------------------------+---------+-----------+ +# Module not present at all: | 0 | 0 | +# --------------------------------------------+---------+-----------+ +AC_DEFUN([gl_MODULE_INDICATOR], +[ + AC_DEFINE_UNQUOTED([GNULIB_]m4_translit([[$1]], + [abcdefghijklmnopqrstuvwxyz./-], + [ABCDEFGHIJKLMNOPQRSTUVWXYZ___]), + [gl_MODULE_INDICATOR_CONDITION], + [Define to a C preprocessor expression that evaluates to 1 or 0, + depending whether the gnulib module $1 shall be considered present.]) +]) + +# gl_MODULE_INDICATOR_FOR_TESTS([modulename]) +# defines a C macro indicating the presence of the given module +# in lib or tests. This is useful to determine whether the module +# should be tested. +# | Value | Value | +# | in lib/ | in tests/ | +# --------------------------------------------+---------+-----------+ +# Module present among main modules: | 1 | 1 | +# --------------------------------------------+---------+-----------+ +# Module present among tests-related modules: | 1 | 1 | +# --------------------------------------------+---------+-----------+ +# Module not present at all: | 0 | 0 | +# --------------------------------------------+---------+-----------+ +AC_DEFUN([gl_MODULE_INDICATOR_FOR_TESTS], +[ + AC_DEFINE([GNULIB_TEST_]m4_translit([[$1]], + [abcdefghijklmnopqrstuvwxyz./-], + [ABCDEFGHIJKLMNOPQRSTUVWXYZ___]), [1], + [Define to 1 when the gnulib module $1 should be tested.]) +]) + +# gl_ASSERT_NO_GNULIB_POSIXCHECK +# asserts that there will never be a need to #define GNULIB_POSIXCHECK. +# and thereby enables an optimization of configure and config.h. +# Used by Emacs. +AC_DEFUN([gl_ASSERT_NO_GNULIB_POSIXCHECK], +[ + dnl Override gl_WARN_ON_USE_PREPARE. + dnl But hide this definition from 'aclocal'. + AC_DEFUN([gl_W][ARN_ON_USE_PREPARE], []) +]) + +# gl_ASSERT_NO_GNULIB_TESTS +# asserts that there will be no gnulib tests in the scope of the configure.ac +# and thereby enables an optimization of config.h. +# Used by Emacs. +AC_DEFUN([gl_ASSERT_NO_GNULIB_TESTS], +[ + dnl Override gl_MODULE_INDICATOR_FOR_TESTS. + AC_DEFUN([gl_MODULE_INDICATOR_FOR_TESTS], []) +]) + +# Test whether exists. +# Set HAVE_FEATURES_H. +AC_DEFUN([gl_FEATURES_H], +[ + AC_CHECK_HEADERS_ONCE([features.h]) + if test $ac_cv_header_features_h = yes; then + HAVE_FEATURES_H=1 + else + HAVE_FEATURES_H=0 + fi + AC_SUBST([HAVE_FEATURES_H]) +]) + +# gl_PROG_CC_C99 +# Modifies the value of the shell variable CC in an attempt to make $CC +# understand ISO C99 source code. +AC_DEFUN([gl_PROG_CC_C99], +[ + dnl Just use AC_PROG_CC_C99. + dnl When AC_PROG_CC_C99 and AC_PROG_CC_STDC are used together, the substituted + dnl value of CC will contain the C99 enabling options twice. But this is only + dnl a cosmetic problem. + dnl With Autoconf >= 2.70, use AC_PROG_CC since it implies AC_PROG_CC_C99; + dnl this avoids a "warning: The macro `AC_PROG_CC_C99' is obsolete." + m4_version_prereq([2.70], + [AC_REQUIRE([AC_PROG_CC])], + [AC_REQUIRE([AC_PROG_CC_C99])]) +]) + +# gl_PROG_AR_RANLIB +# Determines the values for AR, ARFLAGS, RANLIB that fit with the compiler. +# The user can set the variables AR, ARFLAGS, RANLIB if he wants to override +# the values. +AC_DEFUN([gl_PROG_AR_RANLIB], +[ + dnl Minix 3 comes with two toolchains: The Amsterdam Compiler Kit compiler + dnl as "cc", and GCC as "gcc". They have different object file formats and + dnl library formats. In particular, the GNU binutils programs ar and ranlib + dnl produce libraries that work only with gcc, not with cc. + AC_REQUIRE([AC_PROG_CC]) + dnl The '][' hides this use from 'aclocal'. + AC_BEFORE([$0], [A][M_PROG_AR]) + AC_CACHE_CHECK([for Minix Amsterdam compiler], [gl_cv_c_amsterdam_compiler], + [ + AC_EGREP_CPP([Amsterdam], + [ +#ifdef __ACK__ +Amsterdam +#endif + ], + [gl_cv_c_amsterdam_compiler=yes], + [gl_cv_c_amsterdam_compiler=no]) + ]) + + dnl Don't compete with AM_PROG_AR's decision about AR/ARFLAGS if we are not + dnl building with __ACK__. + if test $gl_cv_c_amsterdam_compiler = yes; then + if test -z "$AR"; then + AR='cc -c.a' + fi + if test -z "$ARFLAGS"; then + ARFLAGS='-o' + fi + else + dnl AM_PROG_AR was added in automake v1.11.2. AM_PROG_AR does not AC_SUBST + dnl ARFLAGS variable (it is filed into Makefile.in directly by automake + dnl script on-demand, if not specified by ./configure of course). + dnl Don't AC_REQUIRE the AM_PROG_AR otherwise the code for __ACK__ above + dnl will be ignored. Also, pay attention to call AM_PROG_AR in else block + dnl because AM_PROG_AR is written so it could re-set AR variable even for + dnl __ACK__. It may seem like its easier to avoid calling the macro here, + dnl but we need to AC_SUBST both AR/ARFLAGS (thus those must have some good + dnl default value and automake should usually know them). + dnl + dnl The '][' hides this use from 'aclocal'. + m4_ifdef([A][M_PROG_AR], [A][M_PROG_AR], [:]) + fi + + dnl In case the code above has not helped with setting AR/ARFLAGS, use + dnl Automake-documented default values for AR and ARFLAGS, but prefer + dnl ${host}-ar over ar (useful for cross-compiling). + AC_CHECK_TOOL([AR], [ar], [ar]) + if test -z "$ARFLAGS"; then + ARFLAGS='cr' + fi + + AC_SUBST([AR]) + AC_SUBST([ARFLAGS]) + if test -z "$RANLIB"; then + if test $gl_cv_c_amsterdam_compiler = yes; then + RANLIB=':' + else + dnl Use the ranlib program if it is available. + AC_PROG_RANLIB + fi + fi + AC_SUBST([RANLIB]) +]) + +# AC_C_RESTRICT +# This definition is copied from post-2.70 Autoconf and overrides the +# AC_C_RESTRICT macro from autoconf 2.60..2.70. +m4_version_prereq([2.70.1], [], [ +AC_DEFUN([AC_C_RESTRICT], +[AC_CACHE_CHECK([for C/C++ restrict keyword], [ac_cv_c_restrict], + [ac_cv_c_restrict=no + # Put '__restrict__' first, to avoid problems with glibc and non-GCC; see: + # https://lists.gnu.org/archive/html/bug-autoconf/2016-02/msg00006.html + # Put 'restrict' last, because C++ lacks it. + for ac_kw in __restrict__ __restrict _Restrict restrict; do + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[typedef int *int_ptr; + int foo (int_ptr $ac_kw ip) { return ip[0]; } + int bar (int [$ac_kw]); /* Catch GCC bug 14050. */ + int bar (int ip[$ac_kw]) { return ip[0]; } + ]], + [[int s[1]; + int *$ac_kw t = s; + t[0] = 0; + return foo (t) + bar (t); + ]])], + [ac_cv_c_restrict=$ac_kw]) + test "$ac_cv_c_restrict" != no && break + done + ]) + AH_VERBATIM([restrict], +[/* Define to the equivalent of the C99 'restrict' keyword, or to + nothing if this is not supported. Do not define if restrict is + supported only directly. */ +#undef restrict +/* Work around a bug in older versions of Sun C++, which did not + #define __restrict__ or support _Restrict or __restrict__ + even though the corresponding Sun C compiler ended up with + "#define restrict _Restrict" or "#define restrict __restrict__" + in the previous line. This workaround can be removed once + we assume Oracle Developer Studio 12.5 (2016) or later. */ +#if defined __SUNPRO_CC && !defined __RESTRICT && !defined __restrict__ +# define _Restrict +# define __restrict__ +#endif]) + case $ac_cv_c_restrict in + restrict) ;; + no) AC_DEFINE([restrict], []) ;; + *) AC_DEFINE_UNQUOTED([restrict], [$ac_cv_c_restrict]) ;; + esac +])# AC_C_RESTRICT +]) + +# gl_BIGENDIAN +# is like AC_C_BIGENDIAN, except that it can be AC_REQUIREd. +# Note that AC_REQUIRE([AC_C_BIGENDIAN]) does not work reliably because some +# macros invoke AC_C_BIGENDIAN with arguments. +AC_DEFUN([gl_BIGENDIAN], +[ + AC_C_BIGENDIAN +]) + +# A temporary file descriptor. +# Must be less than 10, because dash 0.5.8 does not support redirections +# with multi-digit file descriptors. +m4_define([GL_TMP_FD], 9) + +# gl_SILENT(command) +# executes command, but without the normal configure output. +# This is useful when you want to invoke AC_CACHE_CHECK (or AC_CHECK_FUNC etc.) +# inside another AC_CACHE_CHECK. +AC_DEFUN([gl_SILENT], +[ + exec GL_TMP_FD>&AS_MESSAGE_FD AS_MESSAGE_FD>/dev/null + $1 + exec AS_MESSAGE_FD>&GL_TMP_FD GL_TMP_FD>&- +]) + +# gl_CACHE_VAL_SILENT(cache-id, command-to-set-it) +# is like AC_CACHE_VAL(cache-id, command-to-set-it), except that it does not +# output a spurious "(cached)" mark in the midst of other configure output. +# This macro should be used instead of AC_CACHE_VAL when it is not surrounded +# by an AC_MSG_CHECKING/AC_MSG_RESULT pair. +AC_DEFUN([gl_CACHE_VAL_SILENT], +[ + gl_SILENT([ + AC_CACHE_VAL([$1], [$2]) + ]) +]) + +dnl Expands to some code for use in .c programs that, on native Windows, defines +dnl the Microsoft deprecated alias function names to the underscore-prefixed +dnl actual function names. With this macro, these function names are available +dnl without linking with '-loldnames' and without generating warnings. +dnl Usage: Use it after all system header files are included. +dnl #include <...> +dnl #include <...> +dnl ]GL_MDA_DEFINES[ +dnl ... +AC_DEFUN([GL_MDA_DEFINES],[ +AC_REQUIRE([_GL_MDA_DEFINES]) +[$gl_mda_defines] +]) +AC_DEFUN([_GL_MDA_DEFINES], +[gl_mda_defines=' +#if defined _WIN32 && !defined __CYGWIN__ +#define access _access +#define chdir _chdir +#define chmod _chmod +#define close _close +#define creat _creat +#define dup _dup +#define dup2 _dup2 +#define ecvt _ecvt +#define execl _execl +#define execle _execle +#define execlp _execlp +#define execv _execv +#define execve _execve +#define execvp _execvp +#define execvpe _execvpe +#define fcloseall _fcloseall +#define fcvt _fcvt +#define fdopen _fdopen +#define fileno _fileno +#define gcvt _gcvt +#define getcwd _getcwd +#define getpid _getpid +#define getw _getw +#define isatty _isatty +#define j0 _j0 +#define j1 _j1 +#define jn _jn +#define lfind _lfind +#define lsearch _lsearch +#define lseek _lseek +#define memccpy _memccpy +#define mkdir _mkdir +#define mktemp _mktemp +#define open _open +#define putenv _putenv +#define putw _putw +#define read _read +#define rmdir _rmdir +#define strdup _strdup +#define swab _swab +#define tempnam _tempnam +#define tzset _tzset +#define umask _umask +#define unlink _unlink +#define utime _utime +#define wcsdup _wcsdup +#define write _write +#define y0 _y0 +#define y1 _y1 +#define yn _yn +#endif +' +]) diff --git a/src/m4/gnulib-comp.m4 b/src/m4/gnulib-comp.m4 new file mode 100644 index 000000000..4534c72a1 --- /dev/null +++ b/src/m4/gnulib-comp.m4 @@ -0,0 +1,261 @@ +# DO NOT EDIT! GENERATED AUTOMATICALLY! +# Copyright (C) 2002-2021 Free Software Foundation, Inc. +# +# This file is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. +# +# This file is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this file. If not, see . +# +# As a special exception to the GNU General Public License, +# this file may be distributed as part of a program that +# contains a configuration script generated by Autoconf, under +# the same distribution terms as the rest of that program. +# +# Generated by gnulib-tool. +# +# This file represents the compiled summary of the specification in +# gnulib-cache.m4. It lists the computed macro invocations that need +# to be invoked from configure.ac. +# In projects that use version control, this file can be treated like +# other built files. + + +# This macro should be invoked from ./configure.ac, in the section +# "Checks for programs", right after AC_PROG_CC, and certainly before +# any checks for libraries, header files, types and library functions. +AC_DEFUN([gl_EARLY], +[ + m4_pattern_forbid([^gl_[A-Z]])dnl the gnulib macro namespace + m4_pattern_allow([^gl_ES$])dnl a valid locale name + m4_pattern_allow([^gl_LIBOBJS$])dnl a variable + m4_pattern_allow([^gl_LTLIBOBJS$])dnl a variable + + # Pre-early section. + AC_REQUIRE([gl_PROG_AR_RANLIB]) + + # Code from module absolute-header: + # Code from module attribute: + # Code from module c99: + # Code from module extern-inline: + # Code from module include_next: + # Code from module limits-h: + # Code from module linkedhash-map: + # Code from module map: + # Code from module multiarch: + # Code from module size_max: + # Code from module ssize_t: + # Code from module std-gnu11: + # Code from module stdbool: + # Code from module stdint: + # Code from module sys_types: + # Code from module xsize: +]) + +# This macro should be invoked from ./configure.ac, in the section +# "Check for header files, types and library functions". +AC_DEFUN([gl_INIT], +[ + AM_CONDITIONAL([GL_COND_LIBTOOL], [false]) + gl_cond_libtool=false + gl_libdeps= + gl_ltlibdeps= + gl_m4_base='src/m4' + m4_pushdef([AC_LIBOBJ], m4_defn([gl_LIBOBJ])) + m4_pushdef([AC_REPLACE_FUNCS], m4_defn([gl_REPLACE_FUNCS])) + m4_pushdef([AC_LIBSOURCES], m4_defn([gl_LIBSOURCES])) + m4_pushdef([gl_LIBSOURCES_LIST], []) + m4_pushdef([gl_LIBSOURCES_DIR], []) + gl_COMMON + gl_source_base='src/gnulib' + AC_REQUIRE([gl_EXTERN_INLINE]) + gl_LIMITS_H + gl_MULTIARCH + gl_SIZE_MAX + gt_TYPE_SSIZE_T + AM_STDBOOL_H + gl_STDINT_H + gl_SYS_TYPES_H + AC_PROG_MKDIR_P + gl_XSIZE + # End of code from modules + m4_ifval(gl_LIBSOURCES_LIST, [ + m4_syscmd([test ! -d ]m4_defn([gl_LIBSOURCES_DIR])[ || + for gl_file in ]gl_LIBSOURCES_LIST[ ; do + if test ! -r ]m4_defn([gl_LIBSOURCES_DIR])[/$gl_file ; then + echo "missing file ]m4_defn([gl_LIBSOURCES_DIR])[/$gl_file" >&2 + exit 1 + fi + done])dnl + m4_if(m4_sysval, [0], [], + [AC_FATAL([expected source file, required through AC_LIBSOURCES, not found])]) + ]) + m4_popdef([gl_LIBSOURCES_DIR]) + m4_popdef([gl_LIBSOURCES_LIST]) + m4_popdef([AC_LIBSOURCES]) + m4_popdef([AC_REPLACE_FUNCS]) + m4_popdef([AC_LIBOBJ]) + AC_CONFIG_COMMANDS_PRE([ + gl_libobjs= + gl_ltlibobjs= + if test -n "$gl_LIBOBJS"; then + # Remove the extension. + sed_drop_objext='s/\.o$//;s/\.obj$//' + for i in `for i in $gl_LIBOBJS; do echo "$i"; done | sed -e "$sed_drop_objext" | sort | uniq`; do + gl_libobjs="$gl_libobjs $i.$ac_objext" + gl_ltlibobjs="$gl_ltlibobjs $i.lo" + done + fi + AC_SUBST([gl_LIBOBJS], [$gl_libobjs]) + AC_SUBST([gl_LTLIBOBJS], [$gl_ltlibobjs]) + ]) + gltests_libdeps= + gltests_ltlibdeps= + m4_pushdef([AC_LIBOBJ], m4_defn([gltests_LIBOBJ])) + m4_pushdef([AC_REPLACE_FUNCS], m4_defn([gltests_REPLACE_FUNCS])) + m4_pushdef([AC_LIBSOURCES], m4_defn([gltests_LIBSOURCES])) + m4_pushdef([gltests_LIBSOURCES_LIST], []) + m4_pushdef([gltests_LIBSOURCES_DIR], []) + gl_COMMON + gl_source_base='tests' +changequote(,)dnl + gltests_WITNESS=IN_`echo "${PACKAGE-$PACKAGE_TARNAME}" | LC_ALL=C tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ | LC_ALL=C sed -e 's/[^A-Z0-9_]/_/g'`_GNULIB_TESTS +changequote([, ])dnl + AC_SUBST([gltests_WITNESS]) + gl_module_indicator_condition=$gltests_WITNESS + m4_pushdef([gl_MODULE_INDICATOR_CONDITION], [$gl_module_indicator_condition]) + m4_popdef([gl_MODULE_INDICATOR_CONDITION]) + m4_ifval(gltests_LIBSOURCES_LIST, [ + m4_syscmd([test ! -d ]m4_defn([gltests_LIBSOURCES_DIR])[ || + for gl_file in ]gltests_LIBSOURCES_LIST[ ; do + if test ! -r ]m4_defn([gltests_LIBSOURCES_DIR])[/$gl_file ; then + echo "missing file ]m4_defn([gltests_LIBSOURCES_DIR])[/$gl_file" >&2 + exit 1 + fi + done])dnl + m4_if(m4_sysval, [0], [], + [AC_FATAL([expected source file, required through AC_LIBSOURCES, not found])]) + ]) + m4_popdef([gltests_LIBSOURCES_DIR]) + m4_popdef([gltests_LIBSOURCES_LIST]) + m4_popdef([AC_LIBSOURCES]) + m4_popdef([AC_REPLACE_FUNCS]) + m4_popdef([AC_LIBOBJ]) + AC_CONFIG_COMMANDS_PRE([ + gltests_libobjs= + gltests_ltlibobjs= + if test -n "$gltests_LIBOBJS"; then + # Remove the extension. + sed_drop_objext='s/\.o$//;s/\.obj$//' + for i in `for i in $gltests_LIBOBJS; do echo "$i"; done | sed -e "$sed_drop_objext" | sort | uniq`; do + gltests_libobjs="$gltests_libobjs $i.$ac_objext" + gltests_ltlibobjs="$gltests_ltlibobjs $i.lo" + done + fi + AC_SUBST([gltests_LIBOBJS], [$gltests_libobjs]) + AC_SUBST([gltests_LTLIBOBJS], [$gltests_ltlibobjs]) + ]) + LIBGNU_LIBDEPS="$gl_libdeps" + AC_SUBST([LIBGNU_LIBDEPS]) + LIBGNU_LTLIBDEPS="$gl_ltlibdeps" + AC_SUBST([LIBGNU_LTLIBDEPS]) +]) + +# Like AC_LIBOBJ, except that the module name goes +# into gl_LIBOBJS instead of into LIBOBJS. +AC_DEFUN([gl_LIBOBJ], [ + AS_LITERAL_IF([$1], [gl_LIBSOURCES([$1.c])])dnl + gl_LIBOBJS="$gl_LIBOBJS $1.$ac_objext" +]) + +# Like AC_REPLACE_FUNCS, except that the module name goes +# into gl_LIBOBJS instead of into LIBOBJS. +AC_DEFUN([gl_REPLACE_FUNCS], [ + m4_foreach_w([gl_NAME], [$1], [AC_LIBSOURCES(gl_NAME[.c])])dnl + AC_CHECK_FUNCS([$1], , [gl_LIBOBJ($ac_func)]) +]) + +# Like AC_LIBSOURCES, except the directory where the source file is +# expected is derived from the gnulib-tool parameterization, +# and alloca is special cased (for the alloca-opt module). +# We could also entirely rely on EXTRA_lib..._SOURCES. +AC_DEFUN([gl_LIBSOURCES], [ + m4_foreach([_gl_NAME], [$1], [ + m4_if(_gl_NAME, [alloca.c], [], [ + m4_define([gl_LIBSOURCES_DIR], [src/gnulib]) + m4_append([gl_LIBSOURCES_LIST], _gl_NAME, [ ]) + ]) + ]) +]) + +# Like AC_LIBOBJ, except that the module name goes +# into gltests_LIBOBJS instead of into LIBOBJS. +AC_DEFUN([gltests_LIBOBJ], [ + AS_LITERAL_IF([$1], [gltests_LIBSOURCES([$1.c])])dnl + gltests_LIBOBJS="$gltests_LIBOBJS $1.$ac_objext" +]) + +# Like AC_REPLACE_FUNCS, except that the module name goes +# into gltests_LIBOBJS instead of into LIBOBJS. +AC_DEFUN([gltests_REPLACE_FUNCS], [ + m4_foreach_w([gl_NAME], [$1], [AC_LIBSOURCES(gl_NAME[.c])])dnl + AC_CHECK_FUNCS([$1], , [gltests_LIBOBJ($ac_func)]) +]) + +# Like AC_LIBSOURCES, except the directory where the source file is +# expected is derived from the gnulib-tool parameterization, +# and alloca is special cased (for the alloca-opt module). +# We could also entirely rely on EXTRA_lib..._SOURCES. +AC_DEFUN([gltests_LIBSOURCES], [ + m4_foreach([_gl_NAME], [$1], [ + m4_if(_gl_NAME, [alloca.c], [], [ + m4_define([gltests_LIBSOURCES_DIR], [tests]) + m4_append([gltests_LIBSOURCES_LIST], _gl_NAME, [ ]) + ]) + ]) +]) + +# This macro records the list of files which have been installed by +# gnulib-tool and may be removed by future gnulib-tool invocations. +AC_DEFUN([gl_FILE_LIST], [ + lib/attribute.h + lib/gl_anyhash1.h + lib/gl_anyhash2.h + lib/gl_anyhash_primes.h + lib/gl_linkedhash_map.c + lib/gl_linkedhash_map.h + lib/gl_map.c + lib/gl_map.h + lib/limits.in.h + lib/size_max.h + lib/stdbool.in.h + lib/stdint.in.h + lib/sys_types.in.h + lib/xsize.c + lib/xsize.h + m4/00gnulib.m4 + m4/absolute-header.m4 + m4/extern-inline.m4 + m4/gnulib-common.m4 + m4/include_next.m4 + m4/limits-h.m4 + m4/multiarch.m4 + m4/off_t.m4 + m4/pid_t.m4 + m4/size_max.m4 + m4/ssize_t.m4 + m4/std-gnu11.m4 + m4/stdbool.m4 + m4/stdint.m4 + m4/sys_types_h.m4 + m4/wint_t.m4 + m4/xsize.m4 + m4/zzgnulib.m4 +]) diff --git a/src/m4/gnulib-tool.m4 b/src/m4/gnulib-tool.m4 new file mode 100644 index 000000000..3d56d83f1 --- /dev/null +++ b/src/m4/gnulib-tool.m4 @@ -0,0 +1,57 @@ +# gnulib-tool.m4 serial 2 +dnl Copyright (C) 2004-2005, 2009-2021 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl The following macros need not be invoked explicitly. +dnl Invoking them does nothing except to declare default arguments +dnl for "gnulib-tool --import". + +dnl Usage: gl_LOCAL_DIR([DIR]) +AC_DEFUN([gl_LOCAL_DIR], []) + +dnl Usage: gl_MODULES([module1 module2 ...]) +AC_DEFUN([gl_MODULES], []) + +dnl Usage: gl_AVOID([module1 module2 ...]) +AC_DEFUN([gl_AVOID], []) + +dnl Usage: gl_SOURCE_BASE([DIR]) +AC_DEFUN([gl_SOURCE_BASE], []) + +dnl Usage: gl_M4_BASE([DIR]) +AC_DEFUN([gl_M4_BASE], []) + +dnl Usage: gl_PO_BASE([DIR]) +AC_DEFUN([gl_PO_BASE], []) + +dnl Usage: gl_DOC_BASE([DIR]) +AC_DEFUN([gl_DOC_BASE], []) + +dnl Usage: gl_TESTS_BASE([DIR]) +AC_DEFUN([gl_TESTS_BASE], []) + +dnl Usage: gl_WITH_TESTS +AC_DEFUN([gl_WITH_TESTS], []) + +dnl Usage: gl_LIB([LIBNAME]) +AC_DEFUN([gl_LIB], []) + +dnl Usage: gl_LGPL or gl_LGPL([VERSION]) +AC_DEFUN([gl_LGPL], []) + +dnl Usage: gl_MAKEFILE_NAME([FILENAME]) +AC_DEFUN([gl_MAKEFILE_NAME], []) + +dnl Usage: gl_LIBTOOL +AC_DEFUN([gl_LIBTOOL], []) + +dnl Usage: gl_MACRO_PREFIX([PREFIX]) +AC_DEFUN([gl_MACRO_PREFIX], []) + +dnl Usage: gl_PO_DOMAIN([DOMAIN]) +AC_DEFUN([gl_PO_DOMAIN], []) + +dnl Usage: gl_VC_FILES([BOOLEAN]) +AC_DEFUN([gl_VC_FILES], []) diff --git a/src/m4/include_next.m4 b/src/m4/include_next.m4 new file mode 100644 index 000000000..bdd542bc6 --- /dev/null +++ b/src/m4/include_next.m4 @@ -0,0 +1,224 @@ +# include_next.m4 serial 26 +dnl Copyright (C) 2006-2021 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Paul Eggert and Derek Price. + +dnl Sets INCLUDE_NEXT, INCLUDE_NEXT_AS_FIRST_DIRECTIVE, PRAGMA_SYSTEM_HEADER, +dnl and PRAGMA_COLUMNS. +dnl +dnl INCLUDE_NEXT expands to 'include_next' if the compiler supports it, or to +dnl 'include' otherwise. +dnl +dnl INCLUDE_NEXT_AS_FIRST_DIRECTIVE expands to 'include_next' if the compiler +dnl supports it in the special case that it is the first include directive in +dnl the given file, or to 'include' otherwise. +dnl +dnl PRAGMA_SYSTEM_HEADER can be used in files that contain #include_next, +dnl so as to avoid GCC warnings when the gcc option -pedantic is used. +dnl '#pragma GCC system_header' has the same effect as if the file was found +dnl through the include search path specified with '-isystem' options (as +dnl opposed to the search path specified with '-I' options). Namely, gcc +dnl does not warn about some things, and on some systems (Solaris and Interix) +dnl __STDC__ evaluates to 0 instead of to 1. The latter is an undesired side +dnl effect; we are therefore careful to use 'defined __STDC__' or '1' instead +dnl of plain '__STDC__'. +dnl +dnl PRAGMA_COLUMNS can be used in files that override system header files, so +dnl as to avoid compilation errors on HP NonStop systems when the gnulib file +dnl is included by a system header file that does a "#pragma COLUMNS 80" (which +dnl has the effect of truncating the lines of that file and all files that it +dnl includes to 80 columns) and the gnulib file has lines longer than 80 +dnl columns. + +AC_DEFUN([gl_INCLUDE_NEXT], +[ + AC_LANG_PREPROC_REQUIRE() + AC_CACHE_CHECK([whether the preprocessor supports include_next], + [gl_cv_have_include_next], + [rm -rf conftestd1a conftestd1b conftestd2 + mkdir conftestd1a conftestd1b conftestd2 + dnl IBM C 9.0, 10.1 (original versions, prior to the 2009-01 updates) on + dnl AIX 6.1 support include_next when used as first preprocessor directive + dnl in a file, but not when preceded by another include directive. Check + dnl for this bug by including . + dnl Additionally, with this same compiler, include_next is a no-op when + dnl used in a header file that was included by specifying its absolute + dnl file name. Despite these two bugs, include_next is used in the + dnl compiler's . By virtue of the second bug, we need to use + dnl include_next as well in this case. + cat < conftestd1a/conftest.h +#define DEFINED_IN_CONFTESTD1 +#include_next +#ifdef DEFINED_IN_CONFTESTD2 +int foo; +#else +#error "include_next doesn't work" +#endif +EOF + cat < conftestd1b/conftest.h +#define DEFINED_IN_CONFTESTD1 +#include +#include_next +#ifdef DEFINED_IN_CONFTESTD2 +int foo; +#else +#error "include_next doesn't work" +#endif +EOF + cat < conftestd2/conftest.h +#ifndef DEFINED_IN_CONFTESTD1 +#error "include_next test doesn't work" +#endif +#define DEFINED_IN_CONFTESTD2 +EOF + gl_save_CPPFLAGS="$CPPFLAGS" + CPPFLAGS="$gl_save_CPPFLAGS -Iconftestd1b -Iconftestd2" +dnl We intentionally avoid using AC_LANG_SOURCE here. + AC_COMPILE_IFELSE([AC_LANG_DEFINES_PROVIDED[#include ]], + [gl_cv_have_include_next=yes], + [CPPFLAGS="$gl_save_CPPFLAGS -Iconftestd1a -Iconftestd2" + AC_COMPILE_IFELSE([AC_LANG_DEFINES_PROVIDED[#include ]], + [gl_cv_have_include_next=buggy], + [gl_cv_have_include_next=no]) + ]) + CPPFLAGS="$gl_save_CPPFLAGS" + rm -rf conftestd1a conftestd1b conftestd2 + ]) + PRAGMA_SYSTEM_HEADER= + if test $gl_cv_have_include_next = yes; then + INCLUDE_NEXT=include_next + INCLUDE_NEXT_AS_FIRST_DIRECTIVE=include_next + if test -n "$GCC"; then + PRAGMA_SYSTEM_HEADER='#pragma GCC system_header' + fi + else + if test $gl_cv_have_include_next = buggy; then + INCLUDE_NEXT=include + INCLUDE_NEXT_AS_FIRST_DIRECTIVE=include_next + else + INCLUDE_NEXT=include + INCLUDE_NEXT_AS_FIRST_DIRECTIVE=include + fi + fi + AC_SUBST([INCLUDE_NEXT]) + AC_SUBST([INCLUDE_NEXT_AS_FIRST_DIRECTIVE]) + AC_SUBST([PRAGMA_SYSTEM_HEADER]) + + dnl HP NonStop systems, which define __TANDEM, limit the line length + dnl after including some system header files. + AC_CACHE_CHECK([whether source code line length is unlimited], + [gl_cv_source_line_length_unlimited], + [AC_EGREP_CPP([choke me], + [ +#ifdef __TANDEM +choke me +#endif + ], + [gl_cv_source_line_length_unlimited=no], + [gl_cv_source_line_length_unlimited=yes]) + ]) + if test $gl_cv_source_line_length_unlimited = no; then + PRAGMA_COLUMNS="#pragma COLUMNS 10000" + else + PRAGMA_COLUMNS= + fi + AC_SUBST([PRAGMA_COLUMNS]) +]) + +# gl_CHECK_NEXT_HEADERS(HEADER1 HEADER2 ...) +# ------------------------------------------ +# For each arg foo.h, if #include_next works, define NEXT_FOO_H to be +# ''; otherwise define it to be +# '"///usr/include/foo.h"', or whatever other absolute file name is suitable. +# Also, if #include_next works as first preprocessing directive in a file, +# define NEXT_AS_FIRST_DIRECTIVE_FOO_H to be ''; otherwise define it to +# be +# '"///usr/include/foo.h"', or whatever other absolute file name is suitable. +# That way, a header file with the following line: +# #@INCLUDE_NEXT@ @NEXT_FOO_H@ +# or +# #@INCLUDE_NEXT_AS_FIRST_DIRECTIVE@ @NEXT_AS_FIRST_DIRECTIVE_FOO_H@ +# behaves (after sed substitution) as if it contained +# #include_next +# even if the compiler does not support include_next. +# The three "///" are to pacify Sun C 5.8, which otherwise would say +# "warning: #include of /usr/include/... may be non-portable". +# Use '""', not '<>', so that the /// cannot be confused with a C99 comment. +# Note: This macro assumes that the header file is not empty after +# preprocessing, i.e. it does not only define preprocessor macros but also +# provides some type/enum definitions or function/variable declarations. +# +# This macro also checks whether each header exists, by invoking +# AC_CHECK_HEADERS_ONCE or AC_CHECK_HEADERS on each argument. +AC_DEFUN([gl_CHECK_NEXT_HEADERS], +[ + gl_NEXT_HEADERS_INTERNAL([$1], [check]) +]) + +# gl_NEXT_HEADERS(HEADER1 HEADER2 ...) +# ------------------------------------ +# Like gl_CHECK_NEXT_HEADERS, except do not check whether the headers exist. +# This is suitable for headers like that are standardized by C89 +# and therefore can be assumed to exist. +AC_DEFUN([gl_NEXT_HEADERS], +[ + gl_NEXT_HEADERS_INTERNAL([$1], [assume]) +]) + +# The guts of gl_CHECK_NEXT_HEADERS and gl_NEXT_HEADERS. +AC_DEFUN([gl_NEXT_HEADERS_INTERNAL], +[ + AC_REQUIRE([gl_INCLUDE_NEXT]) + AC_REQUIRE([AC_CANONICAL_HOST]) + + m4_if([$2], [check], + [AC_CHECK_HEADERS_ONCE([$1]) + ]) + + m4_foreach_w([gl_HEADER_NAME], [$1], + [AS_VAR_PUSHDEF([gl_next_header], + [gl_cv_next_]m4_defn([gl_HEADER_NAME])) + if test $gl_cv_have_include_next = yes; then + AS_VAR_SET([gl_next_header], ['<'gl_HEADER_NAME'>']) + else + AC_CACHE_CHECK( + [absolute name of <]m4_defn([gl_HEADER_NAME])[>], + [gl_next_header], + [m4_if([$2], [check], + [AS_VAR_PUSHDEF([gl_header_exists], + [ac_cv_header_]m4_defn([gl_HEADER_NAME])) + if test AS_VAR_GET([gl_header_exists]) = yes; then + AS_VAR_POPDEF([gl_header_exists]) + ]) + gl_ABSOLUTE_HEADER_ONE(gl_HEADER_NAME) + AS_VAR_COPY([gl_header], [gl_cv_absolute_]AS_TR_SH(gl_HEADER_NAME)) + AS_VAR_SET([gl_next_header], ['"'$gl_header'"']) + m4_if([$2], [check], + [else + AS_VAR_SET([gl_next_header], ['<'gl_HEADER_NAME'>']) + fi + ]) + ]) + fi + AC_SUBST( + AS_TR_CPP([NEXT_]m4_defn([gl_HEADER_NAME])), + [AS_VAR_GET([gl_next_header])]) + if test $gl_cv_have_include_next = yes || test $gl_cv_have_include_next = buggy; then + # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include_next' + gl_next_as_first_directive='<'gl_HEADER_NAME'>' + else + # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include' + gl_next_as_first_directive=AS_VAR_GET([gl_next_header]) + fi + AC_SUBST( + AS_TR_CPP([NEXT_AS_FIRST_DIRECTIVE_]m4_defn([gl_HEADER_NAME])), + [$gl_next_as_first_directive]) + AS_VAR_POPDEF([gl_next_header])]) +]) + +# Autoconf 2.68 added warnings for our use of AC_COMPILE_IFELSE; +# this fallback is safe for all earlier autoconf versions. +m4_define_default([AC_LANG_DEFINES_PROVIDED]) diff --git a/src/m4/limits-h.m4 b/src/m4/limits-h.m4 new file mode 100644 index 000000000..70dbb7dcf --- /dev/null +++ b/src/m4/limits-h.m4 @@ -0,0 +1,43 @@ +dnl Check whether limits.h has needed features. + +dnl Copyright 2016-2021 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Paul Eggert. + +AC_DEFUN_ONCE([gl_LIMITS_H], +[ + gl_CHECK_NEXT_HEADERS([limits.h]) + + AC_CACHE_CHECK([whether limits.h has LLONG_MAX, WORD_BIT, ULLONG_WIDTH etc.], + [gl_cv_header_limits_width], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#ifndef __STDC_WANT_IEC_60559_BFP_EXT__ + #define __STDC_WANT_IEC_60559_BFP_EXT__ 1 + #endif + #include + long long llm = LLONG_MAX; + int wb = WORD_BIT; + int ullw = ULLONG_WIDTH; + ]])], + [gl_cv_header_limits_width=yes], + [gl_cv_header_limits_width=no])]) + if test "$gl_cv_header_limits_width" = yes; then + LIMITS_H= + else + LIMITS_H=limits.h + fi + AC_SUBST([LIMITS_H]) + AM_CONDITIONAL([GL_GENERATE_LIMITS_H], [test -n "$LIMITS_H"]) +]) + +dnl Unconditionally enables the replacement of . +AC_DEFUN([gl_REPLACE_LIMITS_H], +[ + AC_REQUIRE([gl_LIMITS_H]) + LIMITS_H='limits.h' + AM_CONDITIONAL([GL_GENERATE_LIMITS_H], [test -n "$LIMITS_H"]) +]) diff --git a/src/m4/multiarch.m4 b/src/m4/multiarch.m4 new file mode 100644 index 000000000..f1678d9f6 --- /dev/null +++ b/src/m4/multiarch.m4 @@ -0,0 +1,65 @@ +# multiarch.m4 serial 9 +dnl Copyright (C) 2008-2021 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Determine whether the compiler is or may be producing universal binaries. +# +# On Mac OS X 10.5 and later systems, the user can create libraries and +# executables that work on multiple system types--known as "fat" or +# "universal" binaries--by specifying multiple '-arch' options to the +# compiler but only a single '-arch' option to the preprocessor. Like +# this: +# +# ./configure CC="gcc -arch i386 -arch x86_64 -arch ppc -arch ppc64" \ +# CXX="g++ -arch i386 -arch x86_64 -arch ppc -arch ppc64" \ +# CPP="gcc -E" CXXCPP="g++ -E" +# +# Detect this situation and set APPLE_UNIVERSAL_BUILD accordingly. + +AC_DEFUN_ONCE([gl_MULTIARCH], +[ + dnl Code similar to autoconf-2.63 AC_C_BIGENDIAN. + AC_CACHE_CHECK([whether the compiler produces multi-arch binaries], + [gl_cv_c_multiarch], + [gl_cv_c_multiarch=no + AC_COMPILE_IFELSE( + [AC_LANG_SOURCE( + [[#ifndef __APPLE_CC__ + not a universal capable compiler + #endif + typedef int dummy; + ]])], + [ + dnl Check for potential -arch flags. It is not universal unless + dnl there are at least two -arch flags with different values. + arch= + prev= + for word in ${CC} ${CFLAGS} ${CPPFLAGS} ${LDFLAGS}; do + if test -n "$prev"; then + case $word in + i?86 | x86_64 | ppc | ppc64 | arm | arm64) + if test -z "$arch" || test "$arch" = "$word"; then + arch="$word" + else + gl_cv_c_multiarch=yes + fi + ;; + esac + prev= + else + if test "x$word" = "x-arch"; then + prev=arch + fi + fi + done + ]) + ]) + if test $gl_cv_c_multiarch = yes; then + APPLE_UNIVERSAL_BUILD=1 + else + APPLE_UNIVERSAL_BUILD=0 + fi + AC_SUBST([APPLE_UNIVERSAL_BUILD]) +]) diff --git a/src/m4/off_t.m4 b/src/m4/off_t.m4 new file mode 100644 index 000000000..bdec43c80 --- /dev/null +++ b/src/m4/off_t.m4 @@ -0,0 +1,18 @@ +# off_t.m4 serial 1 +dnl Copyright (C) 2012-2021 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Check whether to override the 'off_t' type. +dnl Set WINDOWS_64_BIT_OFF_T. + +AC_DEFUN([gl_TYPE_OFF_T], +[ + m4_ifdef([gl_LARGEFILE], [ + AC_REQUIRE([gl_LARGEFILE]) + ], [ + WINDOWS_64_BIT_OFF_T=0 + ]) + AC_SUBST([WINDOWS_64_BIT_OFF_T]) +]) diff --git a/src/m4/pid_t.m4 b/src/m4/pid_t.m4 new file mode 100644 index 000000000..b7650a10f --- /dev/null +++ b/src/m4/pid_t.m4 @@ -0,0 +1,38 @@ +# pid_t.m4 serial 4 +dnl Copyright (C) 2020-2021 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# The following implementation works around a problem in autoconf <= 2.69. +m4_version_prereq([2.70], [], [ + +dnl Define pid_t if the headers don't define it. +AC_DEFUN([AC_TYPE_PID_T], +[ + AC_CHECK_TYPE([pid_t], + [], + [dnl On 64-bit native Windows, define it to the equivalent of 'intptr_t' + dnl (= 'long long' = '__int64'), because that is the return type + dnl of the _spawnv* functions + dnl + dnl and the argument type of the _cwait function + dnl . + dnl Otherwise (on 32-bit Windows and on old Unix platforms), define it + dnl to 'int'. + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[ + #if defined _WIN64 && !defined __CYGWIN__ + LLP64 + #endif + ]]) + ], + [gl_pid_type='int'], + [gl_pid_type='__int64']) + AC_DEFINE_UNQUOTED([pid_t], [$gl_pid_type], + [Define as a signed integer type capable of holding a process identifier.]) + ], + [AC_INCLUDES_DEFAULT]) +]) + +])# m4_version_prereq 2.70 diff --git a/src/m4/size_max.m4 b/src/m4/size_max.m4 new file mode 100644 index 000000000..1d41ce9ab --- /dev/null +++ b/src/m4/size_max.m4 @@ -0,0 +1,75 @@ +# size_max.m4 serial 12 +dnl Copyright (C) 2003, 2005-2006, 2008-2021 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Bruno Haible. + +AC_PREREQ([2.61]) + +AC_DEFUN([gl_SIZE_MAX], +[ + AC_CHECK_HEADERS([stdint.h]) + dnl First test whether the system already has SIZE_MAX. + AC_CACHE_CHECK([for SIZE_MAX], [gl_cv_size_max], [ + gl_cv_size_max=no + AC_EGREP_CPP([Found it], [ +#include +#if HAVE_STDINT_H +#include +#endif +#ifdef SIZE_MAX +Found it +#endif +], [gl_cv_size_max=yes]) + if test $gl_cv_size_max != yes; then + dnl Define it ourselves. Here we assume that the type 'size_t' is not wider + dnl than the type 'unsigned long'. Try hard to find a definition that can + dnl be used in a preprocessor #if, i.e. doesn't contain a cast. + AC_COMPUTE_INT([size_t_bits_minus_1], [sizeof (size_t) * CHAR_BIT - 1], + [#include +#include ], [size_t_bits_minus_1=]) + AC_COMPUTE_INT([fits_in_uint], [sizeof (size_t) <= sizeof (unsigned int)], + [#include ], [fits_in_uint=]) + if test -n "$size_t_bits_minus_1" && test -n "$fits_in_uint"; then + if test $fits_in_uint = 1; then + dnl Even though SIZE_MAX fits in an unsigned int, it must be of type + dnl 'unsigned long' if the type 'size_t' is the same as 'unsigned long'. + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include + extern size_t foo; + extern unsigned long foo; + ]], + [[]])], + [fits_in_uint=0]) + fi + dnl We cannot use 'expr' to simplify this expression, because 'expr' + dnl works only with 'long' integers in the host environment, while we + dnl might be cross-compiling from a 32-bit platform to a 64-bit platform. + if test $fits_in_uint = 1; then + gl_cv_size_max="(((1U << $size_t_bits_minus_1) - 1) * 2 + 1)" + else + gl_cv_size_max="(((1UL << $size_t_bits_minus_1) - 1) * 2 + 1)" + fi + else + dnl Shouldn't happen, but who knows... + gl_cv_size_max='((size_t)~(size_t)0)' + fi + fi + ]) + if test "$gl_cv_size_max" != yes; then + AC_DEFINE_UNQUOTED([SIZE_MAX], [$gl_cv_size_max], + [Define as the maximum value of type 'size_t', if the system doesn't define it.]) + fi + dnl Don't redefine SIZE_MAX in config.h if config.h is re-included after + dnl . Remember that the #undef in AH_VERBATIM gets replaced with + dnl #define by AC_DEFINE_UNQUOTED. + AH_VERBATIM([SIZE_MAX], +[/* Define as the maximum value of type 'size_t', if the system doesn't define + it. */ +#ifndef SIZE_MAX +# undef SIZE_MAX +#endif]) +]) diff --git a/src/m4/ssize_t.m4 b/src/m4/ssize_t.m4 new file mode 100644 index 000000000..f0ed509fc --- /dev/null +++ b/src/m4/ssize_t.m4 @@ -0,0 +1,23 @@ +# ssize_t.m4 serial 5 (gettext-0.18.2) +dnl Copyright (C) 2001-2003, 2006, 2010-2021 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Bruno Haible. +dnl Test whether ssize_t is defined. + +AC_DEFUN([gt_TYPE_SSIZE_T], +[ + AC_CACHE_CHECK([for ssize_t], [gt_cv_ssize_t], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include ]], + [[int x = sizeof (ssize_t *) + sizeof (ssize_t); + return !x;]])], + [gt_cv_ssize_t=yes], [gt_cv_ssize_t=no])]) + if test $gt_cv_ssize_t = no; then + AC_DEFINE([ssize_t], [int], + [Define as a signed type of the same size as size_t.]) + fi +]) diff --git a/src/m4/std-gnu11.m4 b/src/m4/std-gnu11.m4 new file mode 100644 index 000000000..7b1a042af --- /dev/null +++ b/src/m4/std-gnu11.m4 @@ -0,0 +1,829 @@ +# Prefer GNU C11 and C++11 to earlier versions. -*- coding: utf-8 -*- + +# This implementation is taken from GNU Autoconf lib/autoconf/c.m4 +# commit 017d5ddd82854911f0119691d91ea8a1438824d6 +# dated Sun Apr 3 13:57:17 2016 -0700 +# This implementation will be obsolete once we can assume Autoconf 2.70 +# or later is installed everywhere a Gnulib program might be developed. + +m4_version_prereq([2.70], [], [ + + +# Copyright (C) 2001-2021 Free Software Foundation, Inc. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +# Written by David MacKenzie, with help from +# Akim Demaille, Paul Eggert, +# François Pinard, Karl Berry, Richard Pixley, Ian Lance Taylor, +# Roland McGrath, Noah Friedman, david d zuhn, and many others. + + +# AC_PROG_CC([COMPILER ...]) +# -------------------------- +# COMPILER ... is a space separated list of C compilers to search for. +# This just gives the user an opportunity to specify an alternative +# search list for the C compiler. +AC_DEFUN_ONCE([AC_PROG_CC], +[AC_LANG_PUSH(C)dnl +AC_ARG_VAR([CC], [C compiler command])dnl +AC_ARG_VAR([CFLAGS], [C compiler flags])dnl +_AC_ARG_VAR_LDFLAGS()dnl +_AC_ARG_VAR_LIBS()dnl +_AC_ARG_VAR_CPPFLAGS()dnl +m4_ifval([$1], + [AC_CHECK_TOOLS(CC, [$1])], +[AC_CHECK_TOOL(CC, gcc) +if test -z "$CC"; then + dnl Here we want: + dnl AC_CHECK_TOOL(CC, cc) + dnl but without the check for a tool without the prefix. + dnl Until the check is removed from there, copy the code: + if test -n "$ac_tool_prefix"; then + AC_CHECK_PROG(CC, [${ac_tool_prefix}cc], [${ac_tool_prefix}cc]) + fi +fi +if test -z "$CC"; then + AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc) +fi +if test -z "$CC"; then + AC_CHECK_TOOLS(CC, cl.exe) +fi +if test -z "$CC"; then + AC_CHECK_TOOL(CC, clang) +fi +]) + +test -z "$CC" && AC_MSG_FAILURE([no acceptable C compiler found in \$PATH]) + +# Provide some information about the compiler. +_AS_ECHO_LOG([checking for _AC_LANG compiler version]) +set X $ac_compile +ac_compiler=$[2] +for ac_option in --version -v -V -qversion -version; do + _AC_DO_LIMIT([$ac_compiler $ac_option >&AS_MESSAGE_LOG_FD]) +done + +m4_expand_once([_AC_COMPILER_EXEEXT])[]dnl +m4_expand_once([_AC_COMPILER_OBJEXT])[]dnl +_AC_LANG_COMPILER_GNU +if test $ac_compiler_gnu = yes; then + GCC=yes +else + GCC= +fi +_AC_PROG_CC_G +dnl +dnl Set ac_prog_cc_stdc to the supported C version. +dnl Also set the documented variable ac_cv_prog_cc_stdc; +dnl its name was chosen when it was cached, but it is no longer cached. +_AC_PROG_CC_C11([ac_prog_cc_stdc=c11 + ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c11], + [_AC_PROG_CC_C99([ac_prog_cc_stdc=c99 + ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c99], + [_AC_PROG_CC_C89([ac_prog_cc_stdc=c89 + ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c89], + [ac_prog_cc_stdc=no + ac_cv_prog_cc_stdc=no])])]) +dnl +AC_LANG_POP(C)dnl +])# AC_PROG_CC + + + +# AC_PROG_CXX([LIST-OF-COMPILERS]) +# -------------------------------- +# LIST-OF-COMPILERS is a space separated list of C++ compilers to search +# for (if not specified, a default list is used). This just gives the +# user an opportunity to specify an alternative search list for the C++ +# compiler. +# aCC HP-UX C++ compiler much better than `CC', so test before. +# FCC Fujitsu C++ compiler +# KCC KAI C++ compiler +# RCC Rational C++ +# xlC_r AIX C Set++ (with support for reentrant code) +# xlC AIX C Set++ +AC_DEFUN([AC_PROG_CXX], +[AC_LANG_PUSH(C++)dnl +AC_ARG_VAR([CXX], [C++ compiler command])dnl +AC_ARG_VAR([CXXFLAGS], [C++ compiler flags])dnl +_AC_ARG_VAR_LDFLAGS()dnl +_AC_ARG_VAR_LIBS()dnl +_AC_ARG_VAR_CPPFLAGS()dnl +_AC_ARG_VAR_PRECIOUS([CCC])dnl +if test -z "$CXX"; then + if test -n "$CCC"; then + CXX=$CCC + else + AC_CHECK_TOOLS(CXX, + [m4_default([$1], + [g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC xlC_r xlC clang++])], + g++) + fi +fi +# Provide some information about the compiler. +_AS_ECHO_LOG([checking for _AC_LANG compiler version]) +set X $ac_compile +ac_compiler=$[2] +for ac_option in --version -v -V -qversion; do + _AC_DO_LIMIT([$ac_compiler $ac_option >&AS_MESSAGE_LOG_FD]) +done + +m4_expand_once([_AC_COMPILER_EXEEXT])[]dnl +m4_expand_once([_AC_COMPILER_OBJEXT])[]dnl +_AC_LANG_COMPILER_GNU +if test $ac_compiler_gnu = yes; then + GXX=yes +else + GXX= +fi +_AC_PROG_CXX_G +_AC_PROG_CXX_CXX11([ac_prog_cxx_stdcxx=cxx11 + ac_cv_prog_cxx_stdcxx=$ac_cv_prog_cxx_cxx11 + ac_cv_prog_cxx_cxx98=$ac_cv_prog_cxx_cxx11], + [_AC_PROG_CXX_CXX98([ac_prog_cxx_stdcxx=cxx98 + ac_cv_prog_cxx_stdcxx=$ac_cv_prog_cxx_cxx98], + [ac_prog_cxx_stdcxx=no + ac_cv_prog_cxx_stdcxx=no])]) +AC_LANG_POP(C++)dnl +])# AC_PROG_CXX + + +# _AC_C_STD_TRY(STANDARD, TEST-PROLOGUE, TEST-BODY, OPTION-LIST, +# ACTION-IF-AVAILABLE, ACTION-IF-UNAVAILABLE) +# -------------------------------------------------------------- +# Check whether the C compiler accepts features of STANDARD (e.g `c89', `c99') +# by trying to compile a program of TEST-PROLOGUE and TEST-BODY. If this fails, +# try again with each compiler option in the space-separated OPTION-LIST; if one +# helps, append it to CC. If eventually successful, run ACTION-IF-AVAILABLE, +# else ACTION-IF-UNAVAILABLE. +AC_DEFUN([_AC_C_STD_TRY], +[AC_MSG_CHECKING([for $CC option to enable ]m4_translit($1, [c], [C])[ features]) +AC_CACHE_VAL(ac_cv_prog_cc_$1, +[ac_cv_prog_cc_$1=no +ac_save_CC=$CC +AC_LANG_CONFTEST([AC_LANG_PROGRAM([$2], [$3])]) +for ac_arg in '' $4 +do + CC="$ac_save_CC $ac_arg" + _AC_COMPILE_IFELSE([], [ac_cv_prog_cc_$1=$ac_arg]) + test "x$ac_cv_prog_cc_$1" != "xno" && break +done +rm -f conftest.$ac_ext +CC=$ac_save_CC +])# AC_CACHE_VAL +ac_prog_cc_stdc_options= +case "x$ac_cv_prog_cc_$1" in + x) + AC_MSG_RESULT([none needed]) ;; + xno) + AC_MSG_RESULT([unsupported]) ;; + *) + ac_prog_cc_stdc_options=" $ac_cv_prog_cc_$1" + CC=$CC$ac_prog_cc_stdc_options + AC_MSG_RESULT([$ac_cv_prog_cc_$1]) ;; +esac +AS_IF([test "x$ac_cv_prog_cc_$1" != xno], [$5], [$6]) +])# _AC_C_STD_TRY + +# _AC_C_C99_TEST_HEADER +# --------------------- +# A C header suitable for testing for C99. +AC_DEFUN([_AC_C_C99_TEST_HEADER], +[[#include +#include +#include +#include +#include +#include + +// Check varargs macros. These examples are taken from C99 6.10.3.5. +#define debug(...) fprintf (stderr, __VA_ARGS__) +#define showlist(...) puts (#__VA_ARGS__) +#define report(test,...) ((test) ? puts (#test) : printf (__VA_ARGS__)) +static void +test_varargs_macros (void) +{ + int x = 1234; + int y = 5678; + debug ("Flag"); + debug ("X = %d\n", x); + showlist (The first, second, and third items.); + report (x>y, "x is %d but y is %d", x, y); +} + +// Check long long types. +#define BIG64 18446744073709551615ull +#define BIG32 4294967295ul +#define BIG_OK (BIG64 / BIG32 == 4294967297ull && BIG64 % BIG32 == 0) +#if !BIG_OK + your preprocessor is broken; +#endif +#if BIG_OK +#else + your preprocessor is broken; +#endif +static long long int bignum = -9223372036854775807LL; +static unsigned long long int ubignum = BIG64; + +struct incomplete_array +{ + int datasize; + double data[]; +}; + +struct named_init { + int number; + const wchar_t *name; + double average; +}; + +typedef const char *ccp; + +static inline int +test_restrict (ccp restrict text) +{ + // See if C++-style comments work. + // Iterate through items via the restricted pointer. + // Also check for declarations in for loops. + for (unsigned int i = 0; *(text+i) != '\0'; ++i) + continue; + return 0; +} + +// Check varargs and va_copy. +static bool +test_varargs (const char *format, ...) +{ + va_list args; + va_start (args, format); + va_list args_copy; + va_copy (args_copy, args); + + const char *str = ""; + int number = 0; + float fnumber = 0; + + while (*format) + { + switch (*format++) + { + case 's': // string + str = va_arg (args_copy, const char *); + break; + case 'd': // int + number = va_arg (args_copy, int); + break; + case 'f': // float + fnumber = va_arg (args_copy, double); + break; + default: + break; + } + } + va_end (args_copy); + va_end (args); + + return *str && number && fnumber; +}]])# _AC_C_C99_TEST_HEADER + +# _AC_C_C99_TEST_BODY +# ------------------- +# A C body suitable for testing for C99, assuming the corresponding header. +AC_DEFUN([_AC_C_C99_TEST_BODY], +[[ + // Check bool. + _Bool success = false; + + // Check restrict. + if (test_restrict ("String literal") == 0) + success = true; + char *restrict newvar = "Another string"; + + // Check varargs. + success &= test_varargs ("s, d' f .", "string", 65, 34.234); + test_varargs_macros (); + + // Check flexible array members. + struct incomplete_array *ia = + malloc (sizeof (struct incomplete_array) + (sizeof (double) * 10)); + ia->datasize = 10; + for (int i = 0; i < ia->datasize; ++i) + ia->data[i] = i * 1.234; + + // Check named initializers. + struct named_init ni = { + .number = 34, + .name = L"Test wide string", + .average = 543.34343, + }; + + ni.number = 58; + + int dynamic_array[ni.number]; + dynamic_array[ni.number - 1] = 543; + + // work around unused variable warnings + return (!success || bignum == 0LL || ubignum == 0uLL || newvar[0] == 'x' + || dynamic_array[ni.number - 1] != 543); +]]) + +# _AC_PROG_CC_C99 ([ACTION-IF-AVAILABLE], [ACTION-IF-UNAVAILABLE]) +# ---------------------------------------------------------------- +# If the C compiler is not in ISO C99 mode by default, try to add an +# option to output variable CC to make it so. This macro tries +# various options that select ISO C99 on some system or another. It +# considers the compiler to be in ISO C99 mode if it handles _Bool, +# // comments, flexible array members, inline, long long int, mixed +# code and declarations, named initialization of structs, restrict, +# va_copy, varargs macros, variable declarations in for loops and +# variable length arrays. +AC_DEFUN([_AC_PROG_CC_C99], +[_AC_C_STD_TRY([c99], +[_AC_C_C99_TEST_HEADER], +[_AC_C_C99_TEST_BODY], +dnl Try +dnl GCC -std=gnu99 (unused restrictive modes: -std=c99 -std=iso9899:1999) +dnl IBM XL C -qlanglvl=extc1x (V12.1; does not pass C11 test) +dnl IBM XL C -qlanglvl=extc99 +dnl (pre-V12.1; unused restrictive mode: -qlanglvl=stdc99) +dnl HP cc -AC99 +dnl Intel ICC -std=c99, -c99 (deprecated) +dnl IRIX -c99 +dnl Solaris -D_STDC_C99= +dnl cc's -xc99 option uses linker magic to define the external +dnl symbol __xpg4 as if by "int __xpg4 = 1;", which enables C99 +dnl behavior for C library functions. This is not wanted here, +dnl because it means that a single module compiled with -xc99 +dnl alters C runtime behavior for the entire program, not for +dnl just the module. Instead, define the (private) symbol +dnl _STDC_C99, which suppresses a bogus failure in . +dnl The resulting compiler passes the test case here, and that's +dnl good enough. For more, please see the thread starting at: +dnl https://lists.gnu.org/r/autoconf/2010-12/msg00059.html +dnl Tru64 -c99 +dnl with extended modes being tried first. +[[-std=gnu99 -std=c99 -c99 -AC99 -D_STDC_C99= -qlanglvl=extc1x -qlanglvl=extc99]], [$1], [$2])[]dnl +])# _AC_PROG_CC_C99 + + +# _AC_PROG_CC_C11 ([ACTION-IF-AVAILABLE], [ACTION-IF-UNAVAILABLE]) +# ---------------------------------------------------------------- +# If the C compiler is not in ISO C11 mode by default, try to add an +# option to output variable CC to make it so. This macro tries +# various options that select ISO C11 on some system or another. It +# considers the compiler to be in ISO C11 mode if it handles _Alignas, +# _Alignof, _Noreturn, _Static_assert, UTF-8 string literals, +# duplicate typedefs, and anonymous structures and unions. +AC_DEFUN([_AC_PROG_CC_C11], +[_AC_C_STD_TRY([c11], +[_AC_C_C99_TEST_HEADER[ +// Check _Alignas. +char _Alignas (double) aligned_as_double; +char _Alignas (0) no_special_alignment; +extern char aligned_as_int; +char _Alignas (0) _Alignas (int) aligned_as_int; + +// Check _Alignof. +enum +{ + int_alignment = _Alignof (int), + int_array_alignment = _Alignof (int[100]), + char_alignment = _Alignof (char) +}; +_Static_assert (0 < -_Alignof (int), "_Alignof is signed"); + +// Check _Noreturn. +int _Noreturn does_not_return (void) { for (;;) continue; } + +// Check _Static_assert. +struct test_static_assert +{ + int x; + _Static_assert (sizeof (int) <= sizeof (long int), + "_Static_assert does not work in struct"); + long int y; +}; + +// Check UTF-8 literals. +#define u8 syntax error! +char const utf8_literal[] = u8"happens to be ASCII" "another string"; + +// Check duplicate typedefs. +typedef long *long_ptr; +typedef long int *long_ptr; +typedef long_ptr long_ptr; + +// Anonymous structures and unions -- taken from C11 6.7.2.1 Example 1. +struct anonymous +{ + union { + struct { int i; int j; }; + struct { int k; long int l; } w; + }; + int m; +} v1; +]], +[_AC_C_C99_TEST_BODY[ + v1.i = 2; + v1.w.k = 5; + _Static_assert ((offsetof (struct anonymous, i) + == offsetof (struct anonymous, w.k)), + "Anonymous union alignment botch"); +]], +dnl Try +dnl GCC -std=gnu11 (unused restrictive mode: -std=c11) +dnl with extended modes being tried first. +dnl +dnl Do not try -qlanglvl=extc1x, because IBM XL C V12.1 (the latest version as +dnl of September 2012) does not pass the C11 test. For now, try extc1x when +dnl compiling the C99 test instead, since it enables _Static_assert and +dnl _Noreturn, which is a win. If -qlanglvl=extc11 or -qlanglvl=extc1x passes +dnl the C11 test in some future version of IBM XL C, we'll add it here, +dnl preferably extc11. +[[-std=gnu11]], [$1], [$2])[]dnl +])# _AC_PROG_CC_C11 + + +# AC_PROG_CC_C89 +# -------------- +# Do not use AU_ALIAS here and in AC_PROG_CC_C99 and AC_PROG_CC_STDC, +# as that'd be incompatible with how Automake redefines AC_PROG_CC. See +# . +AU_DEFUN([AC_PROG_CC_C89], + [AC_REQUIRE([AC_PROG_CC])], + [$0 is obsolete; use AC_PROG_CC] +) + +# AC_PROG_CC_C99 +# -------------- +AU_DEFUN([AC_PROG_CC_C99], + [AC_REQUIRE([AC_PROG_CC])], + [$0 is obsolete; use AC_PROG_CC] +) + +# AC_PROG_CC_STDC +# --------------- +AU_DEFUN([AC_PROG_CC_STDC], + [AC_REQUIRE([AC_PROG_CC])], + [$0 is obsolete; use AC_PROG_CC] +) + + +# AC_C_PROTOTYPES +# --------------- +# Check if the C compiler supports prototypes, included if it needs +# options. +AC_DEFUN([AC_C_PROTOTYPES], +[AC_REQUIRE([AC_PROG_CC])dnl +if test "$ac_prog_cc_stdc" != no; then + AC_DEFINE(PROTOTYPES, 1, + [Define to 1 if the C compiler supports function prototypes.]) + AC_DEFINE(__PROTOTYPES, 1, + [Define like PROTOTYPES; this can be used by system headers.]) +fi +])# AC_C_PROTOTYPES + + +# _AC_CXX_STD_TRY(STANDARD, TEST-PROLOGUE, TEST-BODY, OPTION-LIST, +# ACTION-IF-AVAILABLE, ACTION-IF-UNAVAILABLE) +# ---------------------------------------------------------------- +# Check whether the C++ compiler accepts features of STANDARD (e.g +# `cxx98', `cxx11') by trying to compile a program of TEST-PROLOGUE +# and TEST-BODY. If this fails, try again with each compiler option +# in the space-separated OPTION-LIST; if one helps, append it to CXX. +# If eventually successful, run ACTION-IF-AVAILABLE, else +# ACTION-IF-UNAVAILABLE. +AC_DEFUN([_AC_CXX_STD_TRY], +[AC_MSG_CHECKING([for $CXX option to enable ]m4_translit(m4_translit($1, [x], [+]), [a-z], [A-Z])[ features]) +AC_LANG_PUSH(C++)dnl +AC_CACHE_VAL(ac_cv_prog_cxx_$1, +[ac_cv_prog_cxx_$1=no +ac_save_CXX=$CXX +AC_LANG_CONFTEST([AC_LANG_PROGRAM([$2], [$3])]) +for ac_arg in '' $4 +do + CXX="$ac_save_CXX $ac_arg" + _AC_COMPILE_IFELSE([], [ac_cv_prog_cxx_$1=$ac_arg]) + test "x$ac_cv_prog_cxx_$1" != "xno" && break +done +rm -f conftest.$ac_ext +CXX=$ac_save_CXX +])# AC_CACHE_VAL +ac_prog_cxx_stdcxx_options= +case "x$ac_cv_prog_cxx_$1" in + x) + AC_MSG_RESULT([none needed]) ;; + xno) + AC_MSG_RESULT([unsupported]) ;; + *) + ac_prog_cxx_stdcxx_options=" $ac_cv_prog_cxx_$1" + CXX=$CXX$ac_prog_cxx_stdcxx_options + AC_MSG_RESULT([$ac_cv_prog_cxx_$1]) ;; +esac +AC_LANG_POP(C++)dnl +AS_IF([test "x$ac_cv_prog_cxx_$1" != xno], [$5], [$6]) +])# _AC_CXX_STD_TRY + +# _AC_CXX_CXX98_TEST_HEADER +# ------------------------- +# A C++ header suitable for testing for CXX98. +AC_DEFUN([_AC_CXX_CXX98_TEST_HEADER], +[[ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +namespace test { + typedef std::vector string_vec; + typedef std::pair map_value; + typedef std::map map_type; + typedef std::set set_type; + + template + class printer { + public: + printer(std::ostringstream& os): os(os) {} + void operator() (T elem) { os << elem << std::endl; } + private: + std::ostringstream& os; + }; +} +]])# _AC_CXX_CXX98_TEST_HEADER + +# _AC_CXX_CXX98_TEST_BODY +# ----------------------- +# A C++ body suitable for testing for CXX98, assuming the corresponding header. +AC_DEFUN([_AC_CXX_CXX98_TEST_BODY], +[[ + +try { + // Basic string. + std::string teststr("ASCII text"); + teststr += " string"; + + // Simple vector. + test::string_vec testvec; + testvec.push_back(teststr); + testvec.push_back("foo"); + testvec.push_back("bar"); + if (testvec.size() != 3) { + throw std::runtime_error("vector size is not 1"); + } + + // Dump vector into stringstream and obtain string. + std::ostringstream os; + for (test::string_vec::const_iterator i = testvec.begin(); + i != testvec.end(); ++i) { + if (i + 1 != testvec.end()) { + os << teststr << '\n'; + } + } + // Check algorithms work. + std::for_each(testvec.begin(), testvec.end(), test::printer(os)); + std::string os_out = os.str(); + + // Test pair and map. + test::map_type testmap; + testmap.insert(std::make_pair(std::string("key"), + std::make_pair(53,false))); + + // Test set. + int values[] = {9, 7, 13, 15, 4, 18, 12, 10, 5, 3, 14, 19, 17, 8, 6, 20, 16, 2, 11, 1}; + test::set_type testset(values, values + sizeof(values)/sizeof(values[0])); + std::list testlist(testset.begin(), testset.end()); + std::copy(testset.begin(), testset.end(), std::back_inserter(testlist)); +} catch (const std::exception& e) { + std::cerr << "Caught exception: " << e.what() << std::endl; + + // Test fstream + std::ofstream of("test.txt"); + of << "Test ASCII text\n" << std::flush; + of << "N= " << std::hex << std::setw(8) << std::left << 534 << std::endl; + of.close(); +} +std::exit(0); +]]) + +# _AC_CXX_CXX11_TEST_HEADER +# ------------------------- +# A C++ header suitable for testing for CXX11. +AC_DEFUN([_AC_CXX_CXX11_TEST_HEADER], +[[ +#include +#include +#include +#include +#include +#include +#include + +namespace cxx11test +{ + typedef std::shared_ptr sptr; + typedef std::weak_ptr wptr; + + typedef std::tuple tp; + typedef std::array int_array; + + constexpr int get_val() { return 20; } + + struct testinit + { + int i; + double d; + }; + + class delegate { + public: + delegate(int n) : n(n) {} + delegate(): delegate(2354) {} + + virtual int getval() { return this->n; }; + protected: + int n; + }; + + class overridden : public delegate { + public: + overridden(int n): delegate(n) {} + virtual int getval() override final { return this->n * 2; } + }; + + class nocopy { + public: + nocopy(int i): i(i) {} + nocopy() = default; + nocopy(const nocopy&) = delete; + nocopy & operator=(const nocopy&) = delete; + private: + int i; + }; +} +]])# _AC_CXX_CXX11_TEST_HEADER + +# _AC_CXX_CXX11_TEST_BODY +# ----------------------- +# A C++ body suitable for testing for CXX11, assuming the corresponding header. +AC_DEFUN([_AC_CXX_CXX11_TEST_BODY], +[[ +{ + // Test auto and decltype + std::deque d; + d.push_front(43); + d.push_front(484); + d.push_front(3); + d.push_front(844); + int total = 0; + for (auto i = d.begin(); i != d.end(); ++i) { total += *i; } + + auto a1 = 6538; + auto a2 = 48573953.4; + auto a3 = "String literal"; + + decltype(a2) a4 = 34895.034; +} +{ + // Test constexpr + short sa[cxx11test::get_val()] = { 0 }; +} +{ + // Test initializer lists + cxx11test::testinit il = { 4323, 435234.23544 }; +} +{ + // Test range-based for and lambda + cxx11test::int_array array = {9, 7, 13, 15, 4, 18, 12, 10, 5, 3, 14, 19, 17, 8, 6, 20, 16, 2, 11, 1}; + for (int &x : array) { x += 23; } + std::for_each(array.begin(), array.end(), [](int v1){ std::cout << v1; }); +} +{ + using cxx11test::sptr; + using cxx11test::wptr; + + sptr sp(new std::string("ASCII string")); + wptr wp(sp); + sptr sp2(wp); +} +{ + cxx11test::tp tuple("test", 54, 45.53434); + double d = std::get<2>(tuple); + std::string s; + int i; + std::tie(s,i,d) = tuple; +} +{ + static std::regex filename_regex("^_?([a-z0-9_.]+-)+[a-z0-9]+$"); + std::string testmatch("Test if this string matches"); + bool match = std::regex_search(testmatch, filename_regex); +} +{ + cxx11test::int_array array = {9, 7, 13, 15, 4, 18, 12, 10, 5, 3, 14, 19, 17, 8, 6, 20, 16, 2, 11, 1}; + cxx11test::int_array::size_type size = array.size(); +} +{ + // Test constructor delegation + cxx11test::delegate d1; + cxx11test::delegate d2(); + cxx11test::delegate d3(45); +} +{ + // Test override and final + cxx11test::overridden o1(55464); +} +{ + // Test nullptr + char *c = nullptr; +} +{ + // Test template brackets + std::vector> v1; +} +{ + // Unicode literals + char const *utf8 = u8"UTF-8 string \u2500"; + char16_t const *utf16 = u"UTF-8 string \u2500"; + char32_t const *utf32 = U"UTF-32 string \u2500"; +} +]]) + +# _AC_PROG_CXX_CXX98 ([ACTION-IF-AVAILABLE], [ACTION-IF-UNAVAILABLE]) +# ------------------------------------------------------------------- + +# If the C++ compiler is not in ISO C++98 mode by default, try to add +# an option to output variable CXX to make it so. This macro tries +# various options that select ISO C++98 on some system or another. It +# considers the compiler to be in ISO C++98 mode if it handles basic +# features of the std namespace including: string, containers (list, +# map, set, vector), streams (fstreams, iostreams, stringstreams, +# iomanip), pair, exceptions and algorithms. + + +AC_DEFUN([_AC_PROG_CXX_CXX98], +[_AC_CXX_STD_TRY([cxx98], +[_AC_CXX_CXX98_TEST_HEADER], +[_AC_CXX_CXX98_TEST_BODY], +dnl Try +dnl GCC -std=gnu++98 (unused restrictive mode: -std=c++98) +dnl IBM XL C -qlanglvl=extended +dnl HP aC++ -AA +dnl Intel ICC -std=gnu++98 +dnl Solaris N/A (default) +dnl Tru64 N/A (default, but -std gnu could be used) +dnl with extended modes being tried first. +[[-std=gnu++98 -std=c++98 -qlanglvl=extended -AA]], [$1], [$2])[]dnl +])# _AC_PROG_CXX_CXX98 + +# _AC_PROG_CXX_CXX11 ([ACTION-IF-AVAILABLE], [ACTION-IF-UNAVAILABLE]) +# ------------------------------------------------------------------- +# If the C++ compiler is not in ISO CXX11 mode by default, try to add +# an option to output variable CXX to make it so. This macro tries +# various options that select ISO C++11 on some system or another. It +# considers the compiler to be in ISO C++11 mode if it handles all the +# tests from the C++98 checks, plus the following: Language features +# (auto, constexpr, decltype, default/deleted constructors, delegate +# constructors, final, initializer lists, lambda functions, nullptr, +# override, range-based for loops, template brackets without spaces, +# unicode literals) and library features (array, memory (shared_ptr, +# weak_ptr), regex and tuple types). +AC_DEFUN([_AC_PROG_CXX_CXX11], +[_AC_CXX_STD_TRY([cxx11], +[_AC_CXX_CXX11_TEST_HEADER +_AC_CXX_CXX98_TEST_HEADER], +[_AC_CXX_CXX11_TEST_BODY +_AC_CXX_CXX98_TEST_BODY], +dnl Try +dnl GCC -std=gnu++11 (unused restrictive mode: -std=c++11) [and 0x variants] +dnl IBM XL C -qlanglvl=extended0x +dnl (pre-V12.1; unused restrictive mode: -qlanglvl=stdcxx11) +dnl HP aC++ -AA +dnl Intel ICC -std=c++11 -std=c++0x +dnl Solaris N/A (no support) +dnl Tru64 N/A (no support) +dnl with extended modes being tried first. +[[-std=gnu++11 -std=c++11 -std=gnu++0x -std=c++0x -qlanglvl=extended0x -AA]], [$1], [$2])[]dnl +])# _AC_PROG_CXX_CXX11 + + +])# m4_version_prereq diff --git a/src/m4/stdbool.m4 b/src/m4/stdbool.m4 new file mode 100644 index 000000000..3169779d4 --- /dev/null +++ b/src/m4/stdbool.m4 @@ -0,0 +1,122 @@ +# Check for stdbool.h that conforms to C99. + +dnl Copyright (C) 2002-2006, 2009-2021 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +#serial 8 + +# Prepare for substituting if it is not supported. + +AC_DEFUN([AM_STDBOOL_H], +[ + AC_REQUIRE([AC_CHECK_HEADER_STDBOOL]) + AC_REQUIRE([AC_CANONICAL_HOST]) + + dnl On some platforms, does not exist or does not conform to C99. + dnl On Solaris 10 with CC=cc CXX=CC, exists but is not usable + dnl in C++ mode (and no exists). In this case, we use our + dnl replacement, also in C mode (for binary compatibility between C and C++). + if test "$ac_cv_header_stdbool_h" = yes; then + case "$host_os" in + solaris*) + if test -z "$GCC"; then + STDBOOL_H='stdbool.h' + else + STDBOOL_H='' + fi + ;; + *) + STDBOOL_H='' + ;; + esac + else + STDBOOL_H='stdbool.h' + fi + AC_SUBST([STDBOOL_H]) + AM_CONDITIONAL([GL_GENERATE_STDBOOL_H], [test -n "$STDBOOL_H"]) + + if test "$ac_cv_type__Bool" = yes; then + HAVE__BOOL=1 + else + HAVE__BOOL=0 + fi + AC_SUBST([HAVE__BOOL]) +]) + +# AM_STDBOOL_H will be renamed to gl_STDBOOL_H in the future. +AC_DEFUN([gl_STDBOOL_H], [AM_STDBOOL_H]) + +# This version of the macro is needed in autoconf <= 2.68. + +AC_DEFUN([AC_CHECK_HEADER_STDBOOL], + [AC_CACHE_CHECK([for stdbool.h that conforms to C99], + [ac_cv_header_stdbool_h], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[ + #include + + #ifdef __cplusplus + typedef bool Bool; + #else + typedef _Bool Bool; + #ifndef bool + "error: bool is not defined" + #endif + #ifndef false + "error: false is not defined" + #endif + #if false + "error: false is not 0" + #endif + #ifndef true + "error: true is not defined" + #endif + #if true != 1 + "error: true is not 1" + #endif + #endif + + #ifndef __bool_true_false_are_defined + "error: __bool_true_false_are_defined is not defined" + #endif + + struct s { Bool s: 1; Bool t; bool u: 1; bool v; } s; + + char a[true == 1 ? 1 : -1]; + char b[false == 0 ? 1 : -1]; + char c[__bool_true_false_are_defined == 1 ? 1 : -1]; + char d[(bool) 0.5 == true ? 1 : -1]; + /* See body of main program for 'e'. */ + char f[(Bool) 0.0 == false ? 1 : -1]; + char g[true]; + char h[sizeof (Bool)]; + char i[sizeof s.t]; + enum { j = false, k = true, l = false * true, m = true * 256 }; + /* The following fails for + HP aC++/ANSI C B3910B A.05.55 [Dec 04 2003]. */ + Bool n[m]; + char o[sizeof n == m * sizeof n[0] ? 1 : -1]; + char p[-1 - (Bool) 0 < 0 && -1 - (bool) 0 < 0 ? 1 : -1]; + /* Catch a bug in an HP-UX C compiler. See + https://gcc.gnu.org/ml/gcc-patches/2003-12/msg02303.html + https://lists.gnu.org/r/bug-coreutils/2005-11/msg00161.html + */ + Bool q = true; + Bool *pq = &q; + bool *qq = &q; + ]], + [[ + bool e = &s; + *pq |= q; *pq |= ! q; + *qq |= q; *qq |= ! q; + /* Refer to every declared value, to avoid compiler optimizations. */ + return (!a + !b + !c + !d + !e + !f + !g + !h + !i + !!j + !k + !!l + + !m + !n + !o + !p + !q + !pq + !qq); + ]])], + [ac_cv_header_stdbool_h=yes], + [ac_cv_header_stdbool_h=no])]) + AC_CHECK_TYPES([_Bool]) +]) diff --git a/src/m4/stdint.m4 b/src/m4/stdint.m4 new file mode 100644 index 000000000..a785b44ed --- /dev/null +++ b/src/m4/stdint.m4 @@ -0,0 +1,533 @@ +# stdint.m4 serial 58 +dnl Copyright (C) 2001-2021 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Paul Eggert and Bruno Haible. +dnl Test whether is supported or must be substituted. + +AC_PREREQ([2.61]) + +AC_DEFUN_ONCE([gl_STDINT_H], +[ + AC_PREREQ([2.59])dnl + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + + AC_REQUIRE([gl_LIMITS_H]) + AC_REQUIRE([gt_TYPE_WINT_T]) + + dnl For backward compatibility. Some packages may still be testing these + dnl macros. + AC_DEFINE([HAVE_LONG_LONG_INT], [1], + [Define to 1 if the system has the type 'long long int'.]) + AC_DEFINE([HAVE_UNSIGNED_LONG_LONG_INT], [1], + [Define to 1 if the system has the type 'unsigned long long int'.]) + + dnl Check for , in the same way as gl_WCHAR_H does. + AC_CHECK_HEADERS_ONCE([wchar.h]) + if test $ac_cv_header_wchar_h = yes; then + HAVE_WCHAR_H=1 + else + HAVE_WCHAR_H=0 + fi + AC_SUBST([HAVE_WCHAR_H]) + + dnl Check for . + AC_CHECK_HEADERS_ONCE([inttypes.h]) + if test $ac_cv_header_inttypes_h = yes; then + HAVE_INTTYPES_H=1 + else + HAVE_INTTYPES_H=0 + fi + AC_SUBST([HAVE_INTTYPES_H]) + + dnl Check for . + AC_CHECK_HEADERS_ONCE([sys/types.h]) + if test $ac_cv_header_sys_types_h = yes; then + HAVE_SYS_TYPES_H=1 + else + HAVE_SYS_TYPES_H=0 + fi + AC_SUBST([HAVE_SYS_TYPES_H]) + + gl_CHECK_NEXT_HEADERS([stdint.h]) + if test $ac_cv_header_stdint_h = yes; then + HAVE_STDINT_H=1 + else + HAVE_STDINT_H=0 + fi + AC_SUBST([HAVE_STDINT_H]) + + dnl Now see whether we need a substitute . + if test $ac_cv_header_stdint_h = yes; then + AC_CACHE_CHECK([whether stdint.h conforms to C99], + [gl_cv_header_working_stdint_h], + [gl_cv_header_working_stdint_h=no + AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM([[ +#define _GL_JUST_INCLUDE_SYSTEM_STDINT_H 1 /* work if build isn't clean */ +#define __STDC_CONSTANT_MACROS 1 +#define __STDC_LIMIT_MACROS 1 +#include +/* Dragonfly defines WCHAR_MIN, WCHAR_MAX only in . */ +#if !(defined WCHAR_MIN && defined WCHAR_MAX) +#error "WCHAR_MIN, WCHAR_MAX not defined in " +#endif +] +gl_STDINT_INCLUDES +[ +#ifdef INT8_MAX +int8_t a1 = INT8_MAX; +int8_t a1min = INT8_MIN; +#endif +#ifdef INT16_MAX +int16_t a2 = INT16_MAX; +int16_t a2min = INT16_MIN; +#endif +#ifdef INT32_MAX +int32_t a3 = INT32_MAX; +int32_t a3min = INT32_MIN; +#endif +#ifdef INT64_MAX +int64_t a4 = INT64_MAX; +int64_t a4min = INT64_MIN; +#endif +#ifdef UINT8_MAX +uint8_t b1 = UINT8_MAX; +#else +typedef int b1[(unsigned char) -1 != 255 ? 1 : -1]; +#endif +#ifdef UINT16_MAX +uint16_t b2 = UINT16_MAX; +#endif +#ifdef UINT32_MAX +uint32_t b3 = UINT32_MAX; +#endif +#ifdef UINT64_MAX +uint64_t b4 = UINT64_MAX; +#endif +int_least8_t c1 = INT8_C (0x7f); +int_least8_t c1max = INT_LEAST8_MAX; +int_least8_t c1min = INT_LEAST8_MIN; +int_least16_t c2 = INT16_C (0x7fff); +int_least16_t c2max = INT_LEAST16_MAX; +int_least16_t c2min = INT_LEAST16_MIN; +int_least32_t c3 = INT32_C (0x7fffffff); +int_least32_t c3max = INT_LEAST32_MAX; +int_least32_t c3min = INT_LEAST32_MIN; +int_least64_t c4 = INT64_C (0x7fffffffffffffff); +int_least64_t c4max = INT_LEAST64_MAX; +int_least64_t c4min = INT_LEAST64_MIN; +uint_least8_t d1 = UINT8_C (0xff); +uint_least8_t d1max = UINT_LEAST8_MAX; +uint_least16_t d2 = UINT16_C (0xffff); +uint_least16_t d2max = UINT_LEAST16_MAX; +uint_least32_t d3 = UINT32_C (0xffffffff); +uint_least32_t d3max = UINT_LEAST32_MAX; +uint_least64_t d4 = UINT64_C (0xffffffffffffffff); +uint_least64_t d4max = UINT_LEAST64_MAX; +int_fast8_t e1 = INT_FAST8_MAX; +int_fast8_t e1min = INT_FAST8_MIN; +int_fast16_t e2 = INT_FAST16_MAX; +int_fast16_t e2min = INT_FAST16_MIN; +int_fast32_t e3 = INT_FAST32_MAX; +int_fast32_t e3min = INT_FAST32_MIN; +int_fast64_t e4 = INT_FAST64_MAX; +int_fast64_t e4min = INT_FAST64_MIN; +uint_fast8_t f1 = UINT_FAST8_MAX; +uint_fast16_t f2 = UINT_FAST16_MAX; +uint_fast32_t f3 = UINT_FAST32_MAX; +uint_fast64_t f4 = UINT_FAST64_MAX; +#ifdef INTPTR_MAX +intptr_t g = INTPTR_MAX; +intptr_t gmin = INTPTR_MIN; +#endif +#ifdef UINTPTR_MAX +uintptr_t h = UINTPTR_MAX; +#endif +intmax_t i = INTMAX_MAX; +uintmax_t j = UINTMAX_MAX; + +/* Check that SIZE_MAX has the correct type, if possible. */ +#if 201112 <= __STDC_VERSION__ +int k = _Generic (SIZE_MAX, size_t: 0); +#elif (2 <= __GNUC__ || 4 <= __clang_major__ || defined __IBM__TYPEOF__ \ + || (0x5110 <= __SUNPRO_C && !__STDC__)) +extern size_t k; +extern __typeof__ (SIZE_MAX) k; +#endif + +#include /* for CHAR_BIT */ +#define TYPE_MINIMUM(t) \ + ((t) ((t) 0 < (t) -1 ? (t) 0 : ~ TYPE_MAXIMUM (t))) +#define TYPE_MAXIMUM(t) \ + ((t) ((t) 0 < (t) -1 \ + ? (t) -1 \ + : ((((t) 1 << (sizeof (t) * CHAR_BIT - 2)) - 1) * 2 + 1))) +struct s { + int check_PTRDIFF: + PTRDIFF_MIN == TYPE_MINIMUM (ptrdiff_t) + && PTRDIFF_MAX == TYPE_MAXIMUM (ptrdiff_t) + ? 1 : -1; + /* Detect bug in FreeBSD 6.0 / ia64. */ + int check_SIG_ATOMIC: + SIG_ATOMIC_MIN == TYPE_MINIMUM (sig_atomic_t) + && SIG_ATOMIC_MAX == TYPE_MAXIMUM (sig_atomic_t) + ? 1 : -1; + int check_SIZE: SIZE_MAX == TYPE_MAXIMUM (size_t) ? 1 : -1; + int check_WCHAR: + WCHAR_MIN == TYPE_MINIMUM (wchar_t) + && WCHAR_MAX == TYPE_MAXIMUM (wchar_t) + ? 1 : -1; + /* Detect bug in mingw. */ + int check_WINT: + WINT_MIN == TYPE_MINIMUM (wint_t) + && WINT_MAX == TYPE_MAXIMUM (wint_t) + ? 1 : -1; + + /* Detect bugs in glibc 2.4 and Solaris 10 stdint.h, among others. */ + int check_UINT8_C: + (-1 < UINT8_C (0)) == (-1 < (uint_least8_t) 0) ? 1 : -1; + int check_UINT16_C: + (-1 < UINT16_C (0)) == (-1 < (uint_least16_t) 0) ? 1 : -1; + + /* Detect bugs in OpenBSD 3.9 stdint.h. */ +#ifdef UINT8_MAX + int check_uint8: (uint8_t) -1 == UINT8_MAX ? 1 : -1; +#endif +#ifdef UINT16_MAX + int check_uint16: (uint16_t) -1 == UINT16_MAX ? 1 : -1; +#endif +#ifdef UINT32_MAX + int check_uint32: (uint32_t) -1 == UINT32_MAX ? 1 : -1; +#endif +#ifdef UINT64_MAX + int check_uint64: (uint64_t) -1 == UINT64_MAX ? 1 : -1; +#endif + int check_uint_least8: (uint_least8_t) -1 == UINT_LEAST8_MAX ? 1 : -1; + int check_uint_least16: (uint_least16_t) -1 == UINT_LEAST16_MAX ? 1 : -1; + int check_uint_least32: (uint_least32_t) -1 == UINT_LEAST32_MAX ? 1 : -1; + int check_uint_least64: (uint_least64_t) -1 == UINT_LEAST64_MAX ? 1 : -1; + int check_uint_fast8: (uint_fast8_t) -1 == UINT_FAST8_MAX ? 1 : -1; + int check_uint_fast16: (uint_fast16_t) -1 == UINT_FAST16_MAX ? 1 : -1; + int check_uint_fast32: (uint_fast32_t) -1 == UINT_FAST32_MAX ? 1 : -1; + int check_uint_fast64: (uint_fast64_t) -1 == UINT_FAST64_MAX ? 1 : -1; + int check_uintptr: (uintptr_t) -1 == UINTPTR_MAX ? 1 : -1; + int check_uintmax: (uintmax_t) -1 == UINTMAX_MAX ? 1 : -1; + int check_size: (size_t) -1 == SIZE_MAX ? 1 : -1; +}; + ]])], + [dnl Determine whether the various *_MIN, *_MAX macros are usable + dnl in preprocessor expression. We could do it by compiling a test + dnl program for each of these macros. It is faster to run a program + dnl that inspects the macro expansion. + dnl This detects a bug on HP-UX 11.23/ia64. + AC_RUN_IFELSE([ + AC_LANG_PROGRAM([[ +#define _GL_JUST_INCLUDE_SYSTEM_STDINT_H 1 /* work if build isn't clean */ +#define __STDC_CONSTANT_MACROS 1 +#define __STDC_LIMIT_MACROS 1 +#include +] +gl_STDINT_INCLUDES +[ +#include +#include +#define MVAL(macro) MVAL1(macro) +#define MVAL1(expression) #expression +static const char *macro_values[] = + { +#ifdef INT8_MAX + MVAL (INT8_MAX), +#endif +#ifdef INT16_MAX + MVAL (INT16_MAX), +#endif +#ifdef INT32_MAX + MVAL (INT32_MAX), +#endif +#ifdef INT64_MAX + MVAL (INT64_MAX), +#endif +#ifdef UINT8_MAX + MVAL (UINT8_MAX), +#endif +#ifdef UINT16_MAX + MVAL (UINT16_MAX), +#endif +#ifdef UINT32_MAX + MVAL (UINT32_MAX), +#endif +#ifdef UINT64_MAX + MVAL (UINT64_MAX), +#endif + NULL + }; +]], [[ + const char **mv; + for (mv = macro_values; *mv != NULL; mv++) + { + const char *value = *mv; + /* Test whether it looks like a cast expression. */ + if (strncmp (value, "((unsigned int)"/*)*/, 15) == 0 + || strncmp (value, "((unsigned short)"/*)*/, 17) == 0 + || strncmp (value, "((unsigned char)"/*)*/, 16) == 0 + || strncmp (value, "((int)"/*)*/, 6) == 0 + || strncmp (value, "((signed short)"/*)*/, 15) == 0 + || strncmp (value, "((signed char)"/*)*/, 14) == 0) + return mv - macro_values + 1; + } + return 0; +]])], + [gl_cv_header_working_stdint_h=yes], + [], + [case "$host_os" in + # Guess yes on native Windows. + mingw*) gl_cv_header_working_stdint_h="guessing yes" ;; + # In general, assume it works. + *) gl_cv_header_working_stdint_h="guessing yes" ;; + esac + ]) + ]) + ]) + fi + + HAVE_C99_STDINT_H=0 + HAVE_SYS_BITYPES_H=0 + HAVE_SYS_INTTYPES_H=0 + STDINT_H=stdint.h + case "$gl_cv_header_working_stdint_h" in + *yes) + HAVE_C99_STDINT_H=1 + dnl Now see whether the system works without + dnl __STDC_CONSTANT_MACROS/__STDC_LIMIT_MACROS defined. + dnl If not, there would be problems when stdint.h is included from C++. + AC_CACHE_CHECK([whether stdint.h works without ISO C predefines], + [gl_cv_header_stdint_without_STDC_macros], + [gl_cv_header_stdint_without_STDC_macros=no + AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM([[ +#define _GL_JUST_INCLUDE_SYSTEM_STDINT_H 1 /* work if build isn't clean */ +#include +] +gl_STDINT_INCLUDES +[ +intmax_t im = INTMAX_MAX; +int32_t i32 = INT32_C (0x7fffffff); + ]])], + [gl_cv_header_stdint_without_STDC_macros=yes]) + ]) + + if test $gl_cv_header_stdint_without_STDC_macros = no; then + AC_DEFINE([__STDC_CONSTANT_MACROS], [1], + [Define to 1 if the system predates C++11.]) + AC_DEFINE([__STDC_LIMIT_MACROS], [1], + [Define to 1 if the system predates C++11.]) + fi + AC_CACHE_CHECK([whether stdint.h has UINTMAX_WIDTH etc.], + [gl_cv_header_stdint_width], + [gl_cv_header_stdint_width=no + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[ + /* Work if build is not clean. */ + #define _GL_JUST_INCLUDE_SYSTEM_STDINT_H 1 + #ifndef __STDC_WANT_IEC_60559_BFP_EXT__ + #define __STDC_WANT_IEC_60559_BFP_EXT__ 1 + #endif + #include + ]gl_STDINT_INCLUDES[ + int iw = UINTMAX_WIDTH; + ]])], + [gl_cv_header_stdint_width=yes])]) + if test "$gl_cv_header_stdint_width" = yes; then + STDINT_H= + fi + ;; + *) + dnl Check for , and for + dnl (used in Linux libc4 >= 4.6.7 and libc5). + AC_CHECK_HEADERS([sys/inttypes.h sys/bitypes.h]) + if test $ac_cv_header_sys_inttypes_h = yes; then + HAVE_SYS_INTTYPES_H=1 + fi + if test $ac_cv_header_sys_bitypes_h = yes; then + HAVE_SYS_BITYPES_H=1 + fi + gl_STDINT_TYPE_PROPERTIES + ;; + esac + + dnl The substitute stdint.h needs the substitute limit.h's _GL_INTEGER_WIDTH. + gl_REPLACE_LIMITS_H + + AC_SUBST([HAVE_C99_STDINT_H]) + AC_SUBST([HAVE_SYS_BITYPES_H]) + AC_SUBST([HAVE_SYS_INTTYPES_H]) + AC_SUBST([STDINT_H]) + AM_CONDITIONAL([GL_GENERATE_STDINT_H], [test -n "$STDINT_H"]) +]) + +dnl gl_STDINT_BITSIZEOF(TYPES, INCLUDES) +dnl Determine the size of each of the given types in bits. +AC_DEFUN([gl_STDINT_BITSIZEOF], +[ + dnl Use a shell loop, to avoid bloating configure, and + dnl - extra AH_TEMPLATE calls, so that autoheader knows what to put into + dnl config.h.in, + dnl - extra AC_SUBST calls, so that the right substitutions are made. + m4_foreach_w([gltype], [$1], + [AH_TEMPLATE([BITSIZEOF_]m4_translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]), + [Define to the number of bits in type ']gltype['.])]) + for gltype in $1 ; do + AC_CACHE_CHECK([for bit size of $gltype], [gl_cv_bitsizeof_${gltype}], + [AC_COMPUTE_INT([result], [sizeof ($gltype) * CHAR_BIT], + [$2 +#include ], [result=unknown]) + eval gl_cv_bitsizeof_${gltype}=\$result + ]) + eval result=\$gl_cv_bitsizeof_${gltype} + if test $result = unknown; then + dnl Use a nonempty default, because some compilers, such as IRIX 5 cc, + dnl do a syntax check even on unused #if conditions and give an error + dnl on valid C code like this: + dnl #if 0 + dnl # if > 32 + dnl # endif + dnl #endif + result=0 + fi + GLTYPE=`echo "$gltype" | tr 'abcdefghijklmnopqrstuvwxyz ' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_'` + AC_DEFINE_UNQUOTED([BITSIZEOF_${GLTYPE}], [$result]) + eval BITSIZEOF_${GLTYPE}=\$result + done + m4_foreach_w([gltype], [$1], + [AC_SUBST([BITSIZEOF_]m4_translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]))]) +]) + +dnl gl_CHECK_TYPES_SIGNED(TYPES, INCLUDES) +dnl Determine the signedness of each of the given types. +dnl Define HAVE_SIGNED_TYPE if type is signed. +AC_DEFUN([gl_CHECK_TYPES_SIGNED], +[ + dnl Use a shell loop, to avoid bloating configure, and + dnl - extra AH_TEMPLATE calls, so that autoheader knows what to put into + dnl config.h.in, + dnl - extra AC_SUBST calls, so that the right substitutions are made. + m4_foreach_w([gltype], [$1], + [AH_TEMPLATE([HAVE_SIGNED_]m4_translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]), + [Define to 1 if ']gltype[' is a signed integer type.])]) + for gltype in $1 ; do + AC_CACHE_CHECK([whether $gltype is signed], [gl_cv_type_${gltype}_signed], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([$2[ + int verify[2 * (($gltype) -1 < ($gltype) 0) - 1];]])], + result=yes, result=no) + eval gl_cv_type_${gltype}_signed=\$result + ]) + eval result=\$gl_cv_type_${gltype}_signed + GLTYPE=`echo $gltype | tr 'abcdefghijklmnopqrstuvwxyz ' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_'` + if test "$result" = yes; then + AC_DEFINE_UNQUOTED([HAVE_SIGNED_${GLTYPE}], [1]) + eval HAVE_SIGNED_${GLTYPE}=1 + else + eval HAVE_SIGNED_${GLTYPE}=0 + fi + done + m4_foreach_w([gltype], [$1], + [AC_SUBST([HAVE_SIGNED_]m4_translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]))]) +]) + +dnl gl_INTEGER_TYPE_SUFFIX(TYPES, INCLUDES) +dnl Determine the suffix to use for integer constants of the given types. +dnl Define t_SUFFIX for each such type. +AC_DEFUN([gl_INTEGER_TYPE_SUFFIX], +[ + dnl Use a shell loop, to avoid bloating configure, and + dnl - extra AH_TEMPLATE calls, so that autoheader knows what to put into + dnl config.h.in, + dnl - extra AC_SUBST calls, so that the right substitutions are made. + m4_foreach_w([gltype], [$1], + [AH_TEMPLATE(m4_translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_])[_SUFFIX], + [Define to l, ll, u, ul, ull, etc., as suitable for + constants of type ']gltype['.])]) + for gltype in $1 ; do + AC_CACHE_CHECK([for $gltype integer literal suffix], + [gl_cv_type_${gltype}_suffix], + [eval gl_cv_type_${gltype}_suffix=no + eval result=\$gl_cv_type_${gltype}_signed + if test "$result" = yes; then + glsufu= + else + glsufu=u + fi + for glsuf in "$glsufu" ${glsufu}l ${glsufu}ll ${glsufu}i64; do + case $glsuf in + '') gltype1='int';; + l) gltype1='long int';; + ll) gltype1='long long int';; + i64) gltype1='__int64';; + u) gltype1='unsigned int';; + ul) gltype1='unsigned long int';; + ull) gltype1='unsigned long long int';; + ui64)gltype1='unsigned __int64';; + esac + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([$2[ + extern $gltype foo; + extern $gltype1 foo;]])], + [eval gl_cv_type_${gltype}_suffix=\$glsuf]) + eval result=\$gl_cv_type_${gltype}_suffix + test "$result" != no && break + done]) + GLTYPE=`echo $gltype | tr 'abcdefghijklmnopqrstuvwxyz ' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_'` + eval result=\$gl_cv_type_${gltype}_suffix + test "$result" = no && result= + eval ${GLTYPE}_SUFFIX=\$result + AC_DEFINE_UNQUOTED([${GLTYPE}_SUFFIX], [$result]) + done + m4_foreach_w([gltype], [$1], + [AC_SUBST(m4_translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_])[_SUFFIX])]) +]) + +dnl gl_STDINT_INCLUDES +AC_DEFUN([gl_STDINT_INCLUDES], +[[ + #include + #include + #if HAVE_WCHAR_H + # include + #endif +]]) + +dnl gl_STDINT_TYPE_PROPERTIES +dnl Compute HAVE_SIGNED_t, BITSIZEOF_t and t_SUFFIX, for all the types t +dnl of interest to stdint.in.h. +AC_DEFUN([gl_STDINT_TYPE_PROPERTIES], +[ + AC_REQUIRE([gl_MULTIARCH]) + if test $APPLE_UNIVERSAL_BUILD = 0; then + gl_STDINT_BITSIZEOF([ptrdiff_t size_t], + [gl_STDINT_INCLUDES]) + fi + gl_STDINT_BITSIZEOF([sig_atomic_t wchar_t wint_t], + [gl_STDINT_INCLUDES]) + gl_CHECK_TYPES_SIGNED([sig_atomic_t wchar_t wint_t], + [gl_STDINT_INCLUDES]) + gl_cv_type_ptrdiff_t_signed=yes + gl_cv_type_size_t_signed=no + if test $APPLE_UNIVERSAL_BUILD = 0; then + gl_INTEGER_TYPE_SUFFIX([ptrdiff_t size_t], + [gl_STDINT_INCLUDES]) + fi + gl_INTEGER_TYPE_SUFFIX([sig_atomic_t wchar_t wint_t], + [gl_STDINT_INCLUDES]) + + dnl If wint_t is smaller than 'int', it cannot satisfy the ISO C 99 + dnl requirement that wint_t is "unchanged by default argument promotions". + dnl In this case gnulib's and override wint_t. + dnl Set the variable BITSIZEOF_WINT_T accordingly. + if test $GNULIB_OVERRIDES_WINT_T = 1; then + BITSIZEOF_WINT_T=32 + fi +]) diff --git a/src/m4/sys_types_h.m4 b/src/m4/sys_types_h.m4 new file mode 100644 index 000000000..2172c836d --- /dev/null +++ b/src/m4/sys_types_h.m4 @@ -0,0 +1,58 @@ +# sys_types_h.m4 serial 11 +dnl Copyright (C) 2011-2021 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN_ONCE([gl_SYS_TYPES_H], +[ + dnl Use sane struct stat types in OpenVMS 8.2 and later. + AC_DEFINE([_USE_STD_STAT], 1, [For standard stat data types on VMS.]) + + AC_REQUIRE([gl_SYS_TYPES_H_DEFAULTS]) + gl_NEXT_HEADERS([sys/types.h]) + + dnl Ensure the type pid_t gets defined. + AC_REQUIRE([AC_TYPE_PID_T]) + + dnl Ensure the type mode_t gets defined. + AC_REQUIRE([AC_TYPE_MODE_T]) + + dnl Whether to override the 'off_t' type. + AC_REQUIRE([gl_TYPE_OFF_T]) + + dnl Whether to override the 'dev_t' and 'ino_t' types. + m4_ifdef([gl_WINDOWS_STAT_INODES], [ + AC_REQUIRE([gl_WINDOWS_STAT_INODES]) + ], [ + WINDOWS_STAT_INODES=0 + ]) + AC_SUBST([WINDOWS_STAT_INODES]) +]) + +AC_DEFUN([gl_SYS_TYPES_H_DEFAULTS], +[ +]) + +# This works around a buggy version in autoconf <= 2.69. +# See +# The 2.70 version isn't quoted properly, so override it too. + +m4_version_prereq([2.70.1], [], [ + +m4_undefine([AC_HEADER_MAJOR]) +AC_DEFUN([AC_HEADER_MAJOR], +[AC_CHECK_HEADERS_ONCE([sys/types.h]) +AC_CHECK_HEADER([sys/mkdev.h], + [AC_DEFINE([MAJOR_IN_MKDEV], [1], + [Define to 1 if `major', `minor', and `makedev' are + declared in .])]) +if test $ac_cv_header_sys_mkdev_h = no; then + AC_CHECK_HEADER([sys/sysmacros.h], + [AC_DEFINE([MAJOR_IN_SYSMACROS], [1], + [Define to 1 if `major', `minor', and `makedev' + are declared in .])]) +fi +])# AC_HEADER_MAJOR + +]) diff --git a/src/m4/wint_t.m4 b/src/m4/wint_t.m4 new file mode 100644 index 000000000..2fc7467f4 --- /dev/null +++ b/src/m4/wint_t.m4 @@ -0,0 +1,57 @@ +# wint_t.m4 serial 10 +dnl Copyright (C) 2003, 2007-2021 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Bruno Haible. +dnl Test whether has the 'wint_t' type and whether gnulib's +dnl or would, if present, override 'wint_t'. +dnl Prerequisite: AC_PROG_CC + +AC_DEFUN([gt_TYPE_WINT_T], +[ + AC_CACHE_CHECK([for wint_t], [gt_cv_c_wint_t], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include + wint_t foo = (wchar_t)'\0';]], + [[]])], + [gt_cv_c_wint_t=yes], + [gt_cv_c_wint_t=no])]) + if test $gt_cv_c_wint_t = yes; then + AC_DEFINE([HAVE_WINT_T], [1], [Define if you have the 'wint_t' type.]) + + dnl Determine whether gnulib's or would, if present, + dnl override 'wint_t'. + AC_CACHE_CHECK([whether wint_t is large enough], + [gl_cv_type_wint_t_large_enough], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include + int verify[sizeof (wint_t) < sizeof (int) ? -1 : 1]; + ]])], + [gl_cv_type_wint_t_large_enough=yes], + [gl_cv_type_wint_t_large_enough=no])]) + if test $gl_cv_type_wint_t_large_enough = no; then + GNULIB_OVERRIDES_WINT_T=1 + else + GNULIB_OVERRIDES_WINT_T=0 + fi + else + GNULIB_OVERRIDES_WINT_T=0 + fi + AC_SUBST([GNULIB_OVERRIDES_WINT_T]) +]) + +dnl Prerequisites of the 'wint_t' override. +AC_DEFUN([gl_TYPE_WINT_T_PREREQ], +[ + AC_CHECK_HEADERS_ONCE([crtdefs.h]) + if test $ac_cv_header_crtdefs_h = yes; then + HAVE_CRTDEFS_H=1 + else + HAVE_CRTDEFS_H=0 + fi + AC_SUBST([HAVE_CRTDEFS_H]) +]) diff --git a/src/m4/xsize.m4 b/src/m4/xsize.m4 new file mode 100644 index 000000000..64e8a4f45 --- /dev/null +++ b/src/m4/xsize.m4 @@ -0,0 +1,12 @@ +# xsize.m4 serial 5 +dnl Copyright (C) 2003-2004, 2008-2021 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_XSIZE], +[ + dnl Prerequisites of lib/xsize.h. + AC_REQUIRE([gl_SIZE_MAX]) + AC_CHECK_HEADERS([stdint.h]) +]) diff --git a/src/m4/zzgnulib.m4 b/src/m4/zzgnulib.m4 new file mode 100644 index 000000000..b9533847c --- /dev/null +++ b/src/m4/zzgnulib.m4 @@ -0,0 +1,23 @@ +# zzgnulib.m4 serial 1 +dnl Copyright (C) 2020-2021 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl This file must be named something that sorts after all other +dnl package- or gnulib-provided .m4 files - at least for those packages +dnl that redefine AC_PROG_CC. + +dnl Redefine AC_PROG_CC so that it ends with invocations of gl_COMPILER_CLANG +dnl and gl_COMPILER_PREPARE_CHECK_DECL. +m4_define([AC_PROG_CC], + m4_defn([AC_PROG_CC])[ +gl_COMPILER_CLANG +gl_COMPILER_PREPARE_CHECK_DECL +]) + +# gl_ZZGNULIB +# ----------- +# Witness macro that this file has been included. Needed to force +# Automake to include this file after all other gnulib .m4 files. +AC_DEFUN([gl_ZZGNULIB]) diff --git a/src/main.c b/src/main.c index 83e60d8e0..a437b6b4c 100644 --- a/src/main.c +++ b/src/main.c @@ -20,6 +20,7 @@ #include "config.h" #endif #include "openocd.h" +#include "helper/system.h" /* This is the main entry for developer PC hosted OpenOCD. * diff --git a/src/pld/pld.c b/src/pld/pld.c index ef7993c5d..6f4da1294 100644 --- a/src/pld/pld.c +++ b/src/pld/pld.c @@ -22,6 +22,7 @@ #include "pld.h" #include +#include #include diff --git a/src/pld/xilinx_bit.c b/src/pld/xilinx_bit.c index f83d8942d..a530ee776 100644 --- a/src/pld/xilinx_bit.c +++ b/src/pld/xilinx_bit.c @@ -25,7 +25,7 @@ #include #include - +#include static int read_section(FILE *input_file, int length_size, char section, uint32_t *buffer_length, uint8_t **buffer) diff --git a/src/pld/xilinx_bit.h b/src/pld/xilinx_bit.h index 1a35c3be2..625a9d35e 100644 --- a/src/pld/xilinx_bit.h +++ b/src/pld/xilinx_bit.h @@ -19,6 +19,8 @@ #ifndef OPENOCD_PLD_XILINX_BIT_H #define OPENOCD_PLD_XILINX_BIT_H +#include "helper/types.h" + struct xilinx_bit_file { uint8_t unknown_header[13]; uint8_t *source_file; diff --git a/src/rtos/FreeRTOS.c b/src/rtos/FreeRTOS.c index ee9b48bb9..697f18946 100644 --- a/src/rtos/FreeRTOS.c +++ b/src/rtos/FreeRTOS.c @@ -27,12 +27,11 @@ #include "rtos.h" #include "helper/log.h" #include "helper/types.h" +#include "gnulib/gl_linkedhash_map.h" #include "rtos_standard_stackings.h" #include "target/armv7m.h" #include "target/cortex_m.h" - - #define FREERTOS_MAX_PRIORITIES 63 #define FreeRTOS_STRUCT(int_type, ptr_type, list_prev_offset) @@ -52,11 +51,85 @@ struct FreeRTOS_params { const unsigned char list_elem_content_offset; const unsigned char thread_stack_offset; const unsigned char thread_name_offset; - const struct rtos_register_stacking *stacking_info_cm3; - const struct rtos_register_stacking *stacking_info_cm4f; - const struct rtos_register_stacking *stacking_info_cm4f_fpu; + int (*stacking)(struct rtos *rtos, const struct rtos_register_stacking **stacking, + target_addr_t stack_ptr); }; +struct FreeRTOS_thread_entry { + threadid_t threadid; + target_addr_t tcb; +}; + +struct FreeRTOS { + const struct FreeRTOS_params *param; + threadid_t last_threadid; + /* Map from threadid to FreeRTOS_thread_entry. This map owns the value and + * is responsible for free()ing it. */ + gl_map_t entry_by_threadid; + /* Map from tcb to FreeRTOS_thread_entry. */ + gl_map_t entry_by_tcb; +}; + +static int cortex_m_stacking(struct rtos *rtos, const struct rtos_register_stacking **stacking, + target_addr_t stack_ptr) +{ + /* Check for armv7m with *enabled* FPU, i.e. a Cortex-M4F */ + int cm4_fpu_enabled = 0; + struct armv7m_common *armv7m_target = target_to_armv7m(rtos->target); + if (is_armv7m(armv7m_target)) { + if (armv7m_target->fp_feature == FPv4_SP) { + /* Found ARM v7m target which includes a FPU */ + uint32_t cpacr; + + int retval = target_read_u32(rtos->target, FPU_CPACR, &cpacr); + if (retval != ERROR_OK) { + LOG_ERROR("Could not read CPACR register to check FPU state"); + return retval; + } + + /* Check if CP10 and CP11 are set to full access. */ + if (cpacr & 0x00F00000) { + /* Found target with enabled FPU */ + cm4_fpu_enabled = 1; + } + } + } + + if (cm4_fpu_enabled == 1) { + /* Read the LR to decide between stacking with or without FPU */ + uint32_t LR_svc = 0; + int retval = target_read_u32(rtos->target, + stack_ptr + 0x20, + &LR_svc); + if (retval != ERROR_OK) { + LOG_OUTPUT("Error reading stack frame from FreeRTOS thread"); + return retval; + } + if ((LR_svc & 0x10) == 0) + *stacking = &rtos_standard_Cortex_M4F_FPU_stacking; + else + *stacking = &rtos_standard_Cortex_M4F_stacking; + } else { + *stacking = &rtos_standard_Cortex_M3_stacking; + } + + return ERROR_OK; +} + +static int nds32_stacking(struct rtos *rtos, const struct rtos_register_stacking **stacking, + target_addr_t stack_ptr) +{ + *stacking = &rtos_standard_NDS32_N1068_stacking; + return ERROR_OK; +} + +static int riscv_stacking(struct rtos *rtos, const struct rtos_register_stacking **stacking, + target_addr_t stack_ptr) +{ + *stacking = &rtos_standard_RV32_stacking; + return ERROR_OK; +} + static const struct FreeRTOS_params FreeRTOS_params_list[] = { { "cortex_m", /* target_name */ @@ -68,9 +141,7 @@ static const struct FreeRTOS_params FreeRTOS_params_list[] = { 12, /* list_elem_content_offset */ 0, /* thread_stack_offset; */ 52, /* thread_name_offset; */ - &rtos_standard_Cortex_M3_stacking, /* stacking_info */ - &rtos_standard_Cortex_M4F_stacking, - &rtos_standard_Cortex_M4F_FPU_stacking, + cortex_m_stacking, }, { "hla_target", /* target_name */ @@ -82,9 +153,7 @@ static const struct FreeRTOS_params FreeRTOS_params_list[] = { 12, /* list_elem_content_offset */ 0, /* thread_stack_offset; */ 52, /* thread_name_offset; */ - &rtos_standard_Cortex_M3_stacking, /* stacking_info */ - &rtos_standard_Cortex_M4F_stacking, - &rtos_standard_Cortex_M4F_FPU_stacking, + cortex_m_stacking, }, { "nds32_v3", /* target_name */ @@ -96,9 +165,19 @@ static const struct FreeRTOS_params FreeRTOS_params_list[] = { 12, /* list_elem_content_offset */ 0, /* thread_stack_offset; */ 52, /* thread_name_offset; */ - &rtos_standard_NDS32_N1068_stacking, /* stacking_info */ - &rtos_standard_Cortex_M4F_stacking, - &rtos_standard_Cortex_M4F_FPU_stacking, + nds32_stacking, + }, + { + "riscv", /* target_name */ + 4, /* thread_count_width; */ + 4, /* pointer_width; */ + 16, /* list_next_offset; */ + 20, /* list_width; */ + 8, /* list_elem_next_offset; */ + 12, /* list_elem_content_offset */ + 0, /* thread_stack_offset; */ + 52, /* thread_name_offset; */ + riscv_stacking, }, }; @@ -107,8 +186,10 @@ static const struct FreeRTOS_params FreeRTOS_params_list[] = { static bool FreeRTOS_detect_rtos(struct target *target); static int FreeRTOS_create(struct target *target); static int FreeRTOS_update_threads(struct rtos *rtos); -static int FreeRTOS_get_thread_reg_list(struct rtos *rtos, int64_t thread_id, +static int FreeRTOS_get_thread_reg_list(struct rtos *rtos, threadid_t thread_id, struct rtos_reg **reg_list, int *num_regs); +static int FreeRTOS_get_thread_reg(struct rtos *rtos, threadid_t thread_id, + uint32_t reg_num, struct rtos_reg *reg); static int FreeRTOS_get_symbol_list_to_lookup(symbol_table_elem_t *symbol_list[]); struct rtos_type FreeRTOS_rtos = { @@ -118,6 +199,7 @@ struct rtos_type FreeRTOS_rtos = { .create = FreeRTOS_create, .update_threads = FreeRTOS_update_threads, .get_thread_reg_list = FreeRTOS_get_thread_reg_list, + .get_thread_reg = FreeRTOS_get_thread_reg, .get_symbol_list_to_lookup = FreeRTOS_get_symbol_list_to_lookup, }; @@ -164,21 +246,21 @@ static int FreeRTOS_update_threads(struct rtos *rtos) { int retval; unsigned int tasks_found = 0; - const struct FreeRTOS_params *param; if (rtos->rtos_specific_params == NULL) - return -1; + return ERROR_FAIL; - param = (const struct FreeRTOS_params *) rtos->rtos_specific_params; + struct FreeRTOS *freertos = (struct FreeRTOS *) rtos->rtos_specific_params; + const struct FreeRTOS_params *param = freertos->param; if (rtos->symbols == NULL) { LOG_ERROR("No symbols for FreeRTOS"); - return -3; + return ERROR_FAIL; } if (rtos->symbols[FreeRTOS_VAL_uxCurrentNumberOfTasks].address == 0) { LOG_ERROR("Don't have the number of threads in FreeRTOS"); - return -2; + return ERROR_FAIL; } uint32_t thread_list_size = 0; @@ -206,12 +288,12 @@ static int FreeRTOS_update_threads(struct rtos *rtos) LOG_ERROR("Error reading current thread in FreeRTOS thread list"); return retval; } - rtos->current_thread = pointer_casts_are_bad; + target_addr_t pxCurrentTCB = pointer_casts_are_bad; LOG_DEBUG("FreeRTOS: Read pxCurrentTCB at 0x%" PRIx64 ", value 0x%" PRIx64, rtos->symbols[FreeRTOS_VAL_pxCurrentTCB].address, - rtos->current_thread); + pxCurrentTCB); - if ((thread_list_size == 0) || (rtos->current_thread == 0)) { + if ((thread_list_size == 0) || (pxCurrentTCB == 0)) { /* Either : No RTOS threads - there is always at least the current execution though */ /* OR : No current thread - all threads suspended - show the current execution * of idling */ @@ -245,19 +327,23 @@ static int FreeRTOS_update_threads(struct rtos *rtos) } /* Find out how many lists are needed to be read from pxReadyTasksLists, */ - if (rtos->symbols[FreeRTOS_VAL_uxTopUsedPriority].address == 0) { - LOG_ERROR("FreeRTOS: uxTopUsedPriority is not defined, consult the OpenOCD manual for a work-around"); - return ERROR_FAIL; - } uint32_t top_used_priority = 0; - retval = target_read_u32(rtos->target, - rtos->symbols[FreeRTOS_VAL_uxTopUsedPriority].address, - &top_used_priority); - if (retval != ERROR_OK) - return retval; - LOG_DEBUG("FreeRTOS: Read uxTopUsedPriority at 0x%" PRIx64 ", value %" PRIu32, - rtos->symbols[FreeRTOS_VAL_uxTopUsedPriority].address, - top_used_priority); + if (rtos->symbols[FreeRTOS_VAL_uxTopUsedPriority].address == 0) { + LOG_WARNING("FreeRTOS: uxTopUsedPriority is not defined, consult the OpenOCD manual for a work-around"); + /* This is a hack specific to the binary I'm debugging. + * Ideally we get https://github.com/FreeRTOS/FreeRTOS-Kernel/issues/33 + * into our FreeRTOS source. */ + top_used_priority = 6; + } else { + retval = target_read_u32(rtos->target, + rtos->symbols[FreeRTOS_VAL_uxTopUsedPriority].address, + &top_used_priority); + if (retval != ERROR_OK) + return retval; + LOG_DEBUG("FreeRTOS: Read uxTopUsedPriority at 0x%" PRIx64 ", value %" PRIu32, + rtos->symbols[FreeRTOS_VAL_uxTopUsedPriority].address, + top_used_priority); + } if (top_used_priority > FREERTOS_MAX_PRIORITIES) { LOG_ERROR("FreeRTOS top used priority is unreasonably big, not proceeding: %" PRIu32, top_used_priority); @@ -289,6 +375,7 @@ static int FreeRTOS_update_threads(struct rtos *rtos) list_of_lists[num_lists++] = rtos->symbols[FreeRTOS_VAL_xSuspendedTaskList].address; list_of_lists[num_lists++] = rtos->symbols[FreeRTOS_VAL_xTasksWaitingTermination].address; + rtos->current_thread = 0; for (unsigned int i = 0; i < num_lists; i++) { if (list_of_lists[i] == 0) continue; @@ -336,10 +423,34 @@ static int FreeRTOS_update_threads(struct rtos *rtos) free(list_of_lists); return retval; } - rtos->thread_details[tasks_found].threadid = pointer_casts_are_bad; - LOG_DEBUG("FreeRTOS: Read Thread ID at 0x%" PRIx32 ", value 0x%" PRIx64, - list_elem_ptr + param->list_elem_content_offset, - rtos->thread_details[tasks_found].threadid); + + target_addr_t tcb = pointer_casts_are_bad; + const struct FreeRTOS_thread_entry *value = + gl_map_get(freertos->entry_by_tcb, &tcb); + + if (value == NULL) { + struct FreeRTOS_thread_entry *new_value = calloc(1, sizeof(struct FreeRTOS_thread_entry)); + new_value->tcb = tcb; + /* threadid can't be 0. */ + new_value->threadid = ++freertos->last_threadid; + + if (gl_map_nx_put(freertos->entry_by_tcb, &new_value->tcb, new_value) == -1) { + LOG_ERROR("gl_map_nx_put failed"); + return ERROR_FAIL; + } + if (gl_map_nx_put(freertos->entry_by_threadid, &new_value->threadid, new_value) == -1) { + LOG_ERROR("gl_map_nx_put failed"); + return ERROR_FAIL; + } + value = new_value; + } + + rtos->thread_details[tasks_found].threadid = value->threadid; + + LOG_DEBUG("FreeRTOS: Thread %" PRId64 " has TCB 0x%" TARGET_PRIxADDR + "; read from 0x%" PRIx32, + value->threadid, value->tcb, + list_elem_ptr + param->list_elem_content_offset); /* get thread name */ @@ -348,7 +459,7 @@ static int FreeRTOS_update_threads(struct rtos *rtos) /* Read the thread name */ retval = target_read_buffer(rtos->target, - rtos->thread_details[tasks_found].threadid + param->thread_name_offset, + value->tcb + param->thread_name_offset, FREERTOS_THREAD_NAME_STR_SIZE, (uint8_t *)&tmp_str); if (retval != ERROR_OK) { @@ -358,7 +469,7 @@ static int FreeRTOS_update_threads(struct rtos *rtos) } tmp_str[FREERTOS_THREAD_NAME_STR_SIZE-1] = '\x00'; LOG_DEBUG("FreeRTOS: Read Thread Name at 0x%" PRIx64 ", value '%s'", - rtos->thread_details[tasks_found].threadid + param->thread_name_offset, + value->tcb + param->thread_name_offset, tmp_str); if (tmp_str[0] == '\x00') @@ -369,8 +480,9 @@ static int FreeRTOS_update_threads(struct rtos *rtos) strcpy(rtos->thread_details[tasks_found].thread_name_str, tmp_str); rtos->thread_details[tasks_found].exists = true; - if (rtos->thread_details[tasks_found].threadid == rtos->current_thread) { + if (value->tcb == pxCurrentTCB) { char running_str[] = "State: Running"; + rtos->current_thread = value->threadid; rtos->thread_details[tasks_found].extra_info_str = malloc( sizeof(running_str)); strcpy(rtos->thread_details[tasks_found].extra_info_str, @@ -402,76 +514,75 @@ static int FreeRTOS_update_threads(struct rtos *rtos) return 0; } -static int FreeRTOS_get_thread_reg_list(struct rtos *rtos, int64_t thread_id, - struct rtos_reg **reg_list, int *num_regs) +static int FreeRTOS_get_stacking_info(struct rtos *rtos, threadid_t thread_id, + const struct rtos_register_stacking **stacking_info, + target_addr_t *stack_ptr) { - int retval; - const struct FreeRTOS_params *param; - int64_t stack_ptr = 0; + if (rtos->rtos_specific_params == NULL) { + LOG_ERROR("rtos_specific_params is NULL!"); + return ERROR_FAIL; + } - if (rtos == NULL) - return -1; + struct FreeRTOS *freertos = (struct FreeRTOS *) rtos->rtos_specific_params; + const struct FreeRTOS_params *param = freertos->param; - if (thread_id == 0) - return -2; - - if (rtos->rtos_specific_params == NULL) - return -1; - - param = (const struct FreeRTOS_params *) rtos->rtos_specific_params; + const struct FreeRTOS_thread_entry *entry = + gl_map_get(freertos->entry_by_threadid, &thread_id); + if (entry == NULL) { + LOG_ERROR("Unknown thread id: %" PRId64, thread_id); + return ERROR_FAIL; + } /* Read the stack pointer */ uint32_t pointer_casts_are_bad; - retval = target_read_u32(rtos->target, - thread_id + param->thread_stack_offset, + int retval = target_read_u32(rtos->target, + entry->tcb + param->thread_stack_offset, &pointer_casts_are_bad); if (retval != ERROR_OK) { - LOG_ERROR("Error reading stack frame from FreeRTOS thread"); + LOG_ERROR("Error reading stack frame from FreeRTOS thread %" PRIx64, thread_id); return retval; } - stack_ptr = pointer_casts_are_bad; - LOG_DEBUG("FreeRTOS: Read stack pointer at 0x%" PRIx64 ", value 0x%" PRIx64, - thread_id + param->thread_stack_offset, - stack_ptr); + *stack_ptr = pointer_casts_are_bad; + LOG_DEBUG("[%" PRId64 "] FreeRTOS: Read stack pointer at 0x%" PRIx64 ", value 0x%" PRIx64, + thread_id, entry->tcb + param->thread_stack_offset, *stack_ptr); - /* Check for armv7m with *enabled* FPU, i.e. a Cortex-M4F */ - int cm4_fpu_enabled = 0; - struct armv7m_common *armv7m_target = target_to_armv7m(rtos->target); - if (is_armv7m(armv7m_target)) { - if (armv7m_target->fp_feature == FPv4_SP) { - /* Found ARM v7m target which includes a FPU */ - uint32_t cpacr; - - retval = target_read_u32(rtos->target, FPU_CPACR, &cpacr); - if (retval != ERROR_OK) { - LOG_ERROR("Could not read CPACR register to check FPU state"); - return -1; - } - - /* Check if CP10 and CP11 are set to full access. */ - if (cpacr & 0x00F00000) { - /* Found target with enabled FPU */ - cm4_fpu_enabled = 1; - } - } + if (param->stacking(rtos, stacking_info, *stack_ptr) != ERROR_OK) { + LOG_ERROR("No stacking info found for %s!", param->target_name); + return ERROR_FAIL; } - if (cm4_fpu_enabled == 1) { - /* Read the LR to decide between stacking with or without FPU */ - uint32_t LR_svc = 0; - retval = target_read_u32(rtos->target, - stack_ptr + 0x20, - &LR_svc); - if (retval != ERROR_OK) { - LOG_OUTPUT("Error reading stack frame from FreeRTOS thread"); - return retval; - } - if ((LR_svc & 0x10) == 0) - return rtos_generic_stack_read(rtos->target, param->stacking_info_cm4f_fpu, stack_ptr, reg_list, num_regs); - else - return rtos_generic_stack_read(rtos->target, param->stacking_info_cm4f, stack_ptr, reg_list, num_regs); - } else - return rtos_generic_stack_read(rtos->target, param->stacking_info_cm3, stack_ptr, reg_list, num_regs); + return ERROR_OK; +} + +static int FreeRTOS_get_thread_reg_list(struct rtos *rtos, threadid_t thread_id, + struct rtos_reg **reg_list, int *num_regs) +{ + /* Let the caller read registers directly for the current thread. */ + if (thread_id == 0) + return ERROR_FAIL; + + const struct rtos_register_stacking *stacking_info; + target_addr_t stack_ptr; + if (FreeRTOS_get_stacking_info(rtos, thread_id, &stacking_info, &stack_ptr) != ERROR_OK) + return ERROR_FAIL; + + return rtos_generic_stack_read(rtos->target, stacking_info, stack_ptr, reg_list, num_regs); +} + +static int FreeRTOS_get_thread_reg(struct rtos *rtos, threadid_t thread_id, + uint32_t reg_num, struct rtos_reg *reg) +{ + LOG_DEBUG("reg_num=%d", reg_num); + /* Let the caller read registers directly for the current thread. */ + if (thread_id == 0) + return ERROR_FAIL; + + const struct rtos_register_stacking *stacking_info; + target_addr_t stack_ptr; + if (FreeRTOS_get_stacking_info(rtos, thread_id, &stacking_info, &stack_ptr) != ERROR_OK) + return ERROR_FAIL; + + return rtos_generic_stack_read_reg(rtos->target, stacking_info, stack_ptr, reg_num, reg); } static int FreeRTOS_get_symbol_list_to_lookup(symbol_table_elem_t *symbol_list[]) @@ -545,6 +656,25 @@ static bool FreeRTOS_detect_rtos(struct target *target) return false; } +static bool target_addr_equals(const void *x1, const void *x2) +{ + const target_addr_t *a1 = x1; + const target_addr_t *a2 = x2; + return *a1 == *a2; +} + +static size_t target_addr_hash(const void *x) +{ + const target_addr_t *a = x; + return *a; +} + +static void free_const(const void *x) +{ + /* Cast away const. */ + free((void *) x); +} + static int FreeRTOS_create(struct target *target) { int i = 0; @@ -554,9 +684,29 @@ static int FreeRTOS_create(struct target *target) } if (i >= FREERTOS_NUM_PARAMS) { LOG_ERROR("Could not find target in FreeRTOS compatibility list"); - return -1; + return ERROR_FAIL; } - target->rtos->rtos_specific_params = (void *) &FreeRTOS_params_list[i]; + target->rtos->rtos_specific_params = calloc(1, sizeof(struct FreeRTOS)); + if (target->rtos->rtos_specific_params == NULL) { + LOG_ERROR("calloc failed"); + return ERROR_FAIL; + } + + struct FreeRTOS *freertos = (struct FreeRTOS *) target->rtos->rtos_specific_params; + freertos->entry_by_threadid = gl_map_nx_create_empty( + GL_LINKEDHASH_MAP, target_addr_equals, target_addr_hash, NULL, free_const); + if (freertos->entry_by_threadid == NULL) { + LOG_ERROR("gl_map_nx_create_empty failed"); + return ERROR_FAIL; + } + freertos->entry_by_tcb = gl_map_nx_create_empty( + GL_LINKEDHASH_MAP, target_addr_equals, target_addr_hash, NULL, NULL); + if (freertos->entry_by_tcb == NULL) { + LOG_ERROR("gl_map_nx_create_empty failed"); + return ERROR_FAIL; + } + freertos->param = &FreeRTOS_params_list[i]; + return 0; } diff --git a/src/rtos/ThreadX.c b/src/rtos/ThreadX.c index 7d58725c4..53788c794 100644 --- a/src/rtos/ThreadX.c +++ b/src/rtos/ThreadX.c @@ -112,18 +112,16 @@ static const struct stack_register_offset rtos_threadx_arm926ejs_stack_offsets_i static const struct rtos_register_stacking rtos_threadx_arm926ejs_stacking[] = { { - ARM926EJS_REGISTERS_SIZE_SOLICITED, /* stack_registers_size */ - -1, /* stack_growth_direction */ - 17, /* num_output_registers */ - NULL, /* stack_alignment */ - rtos_threadx_arm926ejs_stack_offsets_solicited /* register_offsets */ + .stack_registers_size = ARM926EJS_REGISTERS_SIZE_SOLICITED, + .stack_growth_direction = -1, + .num_output_registers = 17, + .register_offsets = rtos_threadx_arm926ejs_stack_offsets_solicited }, { - ARM926EJS_REGISTERS_SIZE_INTERRUPT, /* stack_registers_size */ - -1, /* stack_growth_direction */ - 17, /* num_output_registers */ - NULL, /* stack_alignment */ - rtos_threadx_arm926ejs_stack_offsets_interrupt /* register_offsets */ + .stack_registers_size = ARM926EJS_REGISTERS_SIZE_INTERRUPT, + .stack_growth_direction = -1, + .num_output_registers = 17, + .register_offsets = rtos_threadx_arm926ejs_stack_offsets_interrupt }, }; diff --git a/src/rtos/nuttx.c b/src/rtos/nuttx.c index 19b93bad1..df5dbe1c6 100644 --- a/src/rtos/nuttx.c +++ b/src/rtos/nuttx.c @@ -119,11 +119,10 @@ static const struct stack_register_offset nuttx_stack_offsets_cortex_m[] = { static const struct rtos_register_stacking nuttx_stacking_cortex_m = { - 0x48, /* stack_registers_size */ - -1, /* stack_growth_direction */ - 17, /* num_output_registers */ - 0, /* stack_alignment */ - nuttx_stack_offsets_cortex_m /* register_offsets */ + .stack_registers_size = 0x48, + .stack_growth_direction = -1, + .num_output_registers = 17, + .register_offsets = nuttx_stack_offsets_cortex_m }; static const struct stack_register_offset nuttx_stack_offsets_cortex_m_fpu[] = { @@ -147,11 +146,10 @@ static const struct stack_register_offset nuttx_stack_offsets_cortex_m_fpu[] = { }; static const struct rtos_register_stacking nuttx_stacking_cortex_m_fpu = { - 0x8c, /* stack_registers_size */ - -1, /* stack_growth_direction */ - 17, /* num_output_registers */ - 0, /* stack_alignment */ - nuttx_stack_offsets_cortex_m_fpu /* register_offsets */ + .stack_registers_size = 0x8c, + .stack_growth_direction = -1, + .num_output_registers = 17, + .register_offsets = nuttx_stack_offsets_cortex_m_fpu }; static int pid_offset = PID; diff --git a/src/rtos/rtos.c b/src/rtos/rtos.c index f88925a65..86ea088ee 100644 --- a/src/rtos/rtos.c +++ b/src/rtos/rtos.c @@ -68,7 +68,9 @@ int rtos_smp_init(struct target *target) return ERROR_TARGET_INIT_FAILED; } -static int rtos_target_for_threadid(struct connection *connection, int64_t threadid, struct target **t) +static int rtos_target_for_threadid(struct connection *connection, + threadid_t threadid, + struct target **t) { struct target *curr = get_target_from_connection(connection); if (t) @@ -475,7 +477,7 @@ static int rtos_put_gdb_reg_list(struct connection *connection, int rtos_get_gdb_reg(struct connection *connection, int reg_num) { struct target *target = get_target_from_connection(connection); - int64_t current_threadid = target->rtos->current_threadid; + threadid_t current_threadid = target->rtos->current_threadid; if ((target->rtos != NULL) && (current_threadid != -1) && (current_threadid != 0) && ((current_threadid != target->rtos->current_thread) || @@ -492,6 +494,7 @@ int rtos_get_gdb_reg(struct connection *connection, int reg_num) int retval; if (target->rtos->type->get_thread_reg) { reg_list = calloc(1, sizeof(*reg_list)); + reg_list[0].number = reg_num; num_regs = 1; retval = target->rtos->type->get_thread_reg(target->rtos, current_threadid, reg_num, ®_list[0]); @@ -573,7 +576,7 @@ int rtos_set_reg(struct connection *connection, int reg_num, int rtos_generic_stack_read(struct target *target, const struct rtos_register_stacking *stacking, - int64_t stack_ptr, + target_addr_t stack_ptr, struct rtos_reg **reg_list, int *num_regs) { @@ -585,7 +588,7 @@ int rtos_generic_stack_read(struct target *target, } /* Read the stack */ uint8_t *stack_data = malloc(stacking->stack_registers_size); - uint32_t address = stack_ptr; + target_addr_t address = stack_ptr; if (stacking->stack_growth_direction == 1) address -= stacking->stack_registers_size; @@ -595,7 +598,7 @@ int rtos_generic_stack_read(struct target *target, LOG_ERROR("Error reading stack frame from thread"); return retval; } - LOG_DEBUG("RTOS: Read stack frame at 0x%" PRIx32, address); + LOG_DEBUG("RTOS: Read stack frame at " TARGET_ADDR_FMT, address); #if 0 LOG_OUTPUT("Stack Data :"); @@ -625,6 +628,9 @@ int rtos_generic_stack_read(struct target *target, buf_cpy(&new_stack_ptr, (*reg_list)[i].value, (*reg_list)[i].size); else if (offset != -1) buf_cpy(stack_data + offset, (*reg_list)[i].value, (*reg_list)[i].size); + + LOG_DEBUG("register %d has value 0x%" PRIx64, (*reg_list)[i].number, + buf_get_u64((*reg_list)[i].value, 0, 64)); } free(stack_data); @@ -632,6 +638,48 @@ int rtos_generic_stack_read(struct target *target, return ERROR_OK; } +/* Read an individual register from the RTOS stack. */ +int rtos_generic_stack_read_reg(struct target *target, + const struct rtos_register_stacking *stacking, + target_addr_t stack_ptr, + uint32_t reg_num, struct rtos_reg *reg) +{ + LOG_DEBUG("stack_ptr=" TARGET_ADDR_FMT ", reg_num=%d", stack_ptr, reg_num); + unsigned total_count = MAX(stacking->total_register_count, stacking->num_output_registers); + unsigned i; + for (i = 0; i < total_count; i++) { + if (stacking->register_offsets[i].number == reg_num) + break; + } + if (i >= total_count) { + /* This register is not on the stack. Return error so a caller somewhere + * will just read the register directly fromt he target. */ + return ERROR_FAIL; + } + + const struct stack_register_offset *offsets = &stacking->register_offsets[i]; + reg->size = offsets->width_bits; + + unsigned width_bytes = DIV_ROUND_UP(offsets->width_bits, 8); + if (offsets->offset >= 0) { + target_addr_t address = stack_ptr; + + if (stacking->stack_growth_direction == 1) + address -= stacking->stack_registers_size; + + if (target_read_buffer( + target, address + offsets->offset, + width_bytes, reg->value) != ERROR_OK) + return ERROR_FAIL; + LOG_DEBUG("register %d has value 0x%" PRIx64, reg->number, + buf_get_u64(reg->value, 0, 64)); + } else { + memset(reg->value, 0, width_bytes); + } + + return ERROR_OK; +} + static int rtos_try_next(struct target *target) { struct rtos *os = target->rtos; diff --git a/src/rtos/rtos.h b/src/rtos/rtos.h index 1bda7301d..9f91e19a1 100644 --- a/src/rtos/rtos.h +++ b/src/rtos/rtos.h @@ -58,7 +58,7 @@ struct rtos { int thread_count; int (*gdb_thread_packet)(struct connection *connection, char const *packet, int packet_size); int (*gdb_v_packet)(struct connection *connection, char const *packet, int packet_size); - int (*gdb_target_for_threadid)(struct connection *connection, int64_t thread_id, struct target **p_target); + int (*gdb_target_for_threadid)(struct connection *connection, threadid_t thread_id, struct target **p_target); void *rtos_specific_params; }; @@ -75,9 +75,9 @@ struct rtos_type { int (*smp_init)(struct target *target); int (*update_threads)(struct rtos *rtos); /** Return a list of general registers, with their values filled out. */ - int (*get_thread_reg_list)(struct rtos *rtos, int64_t thread_id, + int (*get_thread_reg_list)(struct rtos *rtos, threadid_t thread_id, struct rtos_reg **reg_list, int *num_regs); - int (*get_thread_reg)(struct rtos *rtos, int64_t thread_id, + int (*get_thread_reg)(struct rtos *rtos, threadid_t thread_id, uint32_t reg_num, struct rtos_reg *reg); int (*get_symbol_list_to_lookup)(symbol_table_elem_t *symbol_list[]); int (*clean)(struct target *target); @@ -89,7 +89,7 @@ struct rtos_type { * the thread current. This is an assumption that cannot hold for a real * target running a multi-threading OS. If an RTOS can do this, override * needs_fake_step(). */ - bool (*needs_fake_step)(struct target *target, int64_t thread_id); + bool (*needs_fake_step)(struct target *target, threadid_t thread_id); /* Implement these if different threads in the RTOS can see memory * differently (for instance because address translation might be different * for each thread). */ @@ -110,6 +110,7 @@ struct stack_register_offset { struct rtos_register_stacking { unsigned char stack_registers_size; signed char stack_growth_direction; + /* The number of gdb general registers, in order. */ unsigned char num_output_registers; /* Some targets require evaluating the stack to determine the * actual stack pointer for a process. If this field is NULL, @@ -121,6 +122,10 @@ struct rtos_register_stacking { const struct rtos_register_stacking *stacking, int64_t stack_ptr); const struct stack_register_offset *register_offsets; + /* Total number of registers on the stack, including the general ones. This + * may be 0 if there are no additional registers on the stack beyond the + * general ones. */ + unsigned total_register_count; }; #define GDB_THREAD_PACKET_NOT_CONSUMED (-40) @@ -131,9 +136,13 @@ int rtos_set_reg(struct connection *connection, int reg_num, uint8_t *reg_value); int rtos_generic_stack_read(struct target *target, const struct rtos_register_stacking *stacking, - int64_t stack_ptr, + target_addr_t stack_ptr, struct rtos_reg **reg_list, int *num_regs); +int rtos_generic_stack_read_reg(struct target *target, + const struct rtos_register_stacking *stacking, + target_addr_t stack_ptr, + uint32_t reg_num, struct rtos_reg *reg); int gdb_thread_packet(struct connection *connection, char const *packet, int packet_size); int rtos_get_gdb_reg(struct connection *connection, int reg_num); int rtos_get_gdb_reg_list(struct connection *connection); @@ -142,7 +151,7 @@ void rtos_free_threadlist(struct rtos *rtos); int rtos_smp_init(struct target *target); /* function for handling symbol access */ int rtos_qsymbol(struct connection *connection, char const *packet, int packet_size); -bool rtos_needs_fake_step(struct target *target, int64_t thread_id); +bool rtos_needs_fake_step(struct target *target, threadid_t thread_id); int rtos_read_buffer(struct target *target, target_addr_t address, uint32_t size, uint8_t *buffer); int rtos_write_buffer(struct target *target, target_addr_t address, diff --git a/src/rtos/rtos_chibios_stackings.c b/src/rtos/rtos_chibios_stackings.c index 2887930bd..77bcb86cb 100644 --- a/src/rtos/rtos_chibios_stackings.c +++ b/src/rtos/rtos_chibios_stackings.c @@ -47,11 +47,10 @@ static const struct stack_register_offset rtos_chibios_arm_v7m_stack_offsets[ARM }; const struct rtos_register_stacking rtos_chibios_arm_v7m_stacking = { - 0x24, /* stack_registers_size */ - -1, /* stack_growth_direction */ - ARMV7M_NUM_CORE_REGS, /* num_output_registers */ - NULL, /* stack_alignment */ - rtos_chibios_arm_v7m_stack_offsets /* register_offsets */ + .stack_registers_size = 0x24, + .stack_growth_direction = -1, + .num_output_registers = ARMV7M_NUM_CORE_REGS, + .register_offsets = rtos_chibios_arm_v7m_stack_offsets }; static const struct stack_register_offset rtos_chibios_arm_v7m_stack_offsets_w_fpu[ARMV7M_NUM_CORE_REGS] = { @@ -75,9 +74,8 @@ static const struct stack_register_offset rtos_chibios_arm_v7m_stack_offsets_w_f }; const struct rtos_register_stacking rtos_chibios_arm_v7m_stacking_w_fpu = { - 0x64, /* stack_registers_size */ - -1, /* stack_growth_direction */ - ARMV7M_NUM_CORE_REGS, /* num_output_registers */ - NULL, /* stack_alignment */ - rtos_chibios_arm_v7m_stack_offsets_w_fpu /* register_offsets */ + .stack_registers_size = 0x64, + .stack_growth_direction = -1, + .num_output_registers = ARMV7M_NUM_CORE_REGS, + .register_offsets = rtos_chibios_arm_v7m_stack_offsets_w_fpu }; diff --git a/src/rtos/rtos_ecos_stackings.c b/src/rtos/rtos_ecos_stackings.c index ca98d9417..c6b0712c6 100644 --- a/src/rtos/rtos_ecos_stackings.c +++ b/src/rtos/rtos_ecos_stackings.c @@ -43,9 +43,9 @@ static const struct stack_register_offset rtos_eCos_Cortex_M3_stack_offsets[ARMV }; const struct rtos_register_stacking rtos_eCos_Cortex_M3_stacking = { - 0x44, /* stack_registers_size */ - -1, /* stack_growth_direction */ - ARMV7M_NUM_CORE_REGS, /* num_output_registers */ - rtos_generic_stack_align8, /* stack_alignment */ - rtos_eCos_Cortex_M3_stack_offsets /* register_offsets */ + .stack_registers_size = 0x44, + .stack_growth_direction = -1, + .num_output_registers = ARMV7M_NUM_CORE_REGS, + .calculate_process_stack = rtos_generic_stack_align8, + .register_offsets = rtos_eCos_Cortex_M3_stack_offsets }; diff --git a/src/rtos/rtos_embkernel_stackings.c b/src/rtos/rtos_embkernel_stackings.c index 543a8cd2a..8c0fd2a99 100644 --- a/src/rtos/rtos_embkernel_stackings.c +++ b/src/rtos/rtos_embkernel_stackings.c @@ -45,9 +45,9 @@ static const struct stack_register_offset rtos_embkernel_Cortex_M_stack_offsets[ }; const struct rtos_register_stacking rtos_embkernel_Cortex_M_stacking = { - 0x40, /* stack_registers_size */ - -1, /* stack_growth_direction */ - ARMV7M_NUM_CORE_REGS, /* num_output_registers */ - rtos_generic_stack_align8, /* stack_alignment */ - rtos_embkernel_Cortex_M_stack_offsets /* register_offsets */ + .stack_registers_size = 0x40, + .stack_growth_direction = -1, + .num_output_registers = ARMV7M_NUM_CORE_REGS, + .calculate_process_stack = rtos_generic_stack_align8, + .register_offsets = rtos_embkernel_Cortex_M_stack_offsets }; diff --git a/src/rtos/rtos_mqx_stackings.c b/src/rtos/rtos_mqx_stackings.c index f2d3b2227..f99190ea5 100644 --- a/src/rtos/rtos_mqx_stackings.c +++ b/src/rtos/rtos_mqx_stackings.c @@ -71,9 +71,8 @@ static const struct stack_register_offset rtos_mqx_arm_v7m_stack_offsets[ARMV7M_ }; const struct rtos_register_stacking rtos_mqx_arm_v7m_stacking = { - 0x4C, /* stack_registers_size, calculate offset base address */ - -1, /* stack_growth_direction */ - ARMV7M_NUM_CORE_REGS, /* num_output_registers */ - NULL, /* stack_alignment */ - rtos_mqx_arm_v7m_stack_offsets /* register_offsets */ + .stack_registers_size = 0x4C, /* calculate offset base address */ + .stack_growth_direction = -1, + .num_output_registers = ARMV7M_NUM_CORE_REGS, + .register_offsets = rtos_mqx_arm_v7m_stack_offsets }; diff --git a/src/rtos/rtos_riot_stackings.c b/src/rtos/rtos_riot_stackings.c index 23f4d1786..6489426e5 100644 --- a/src/rtos/rtos_riot_stackings.c +++ b/src/rtos/rtos_riot_stackings.c @@ -58,11 +58,11 @@ static const struct stack_register_offset rtos_riot_cortex_m0_stack_offsets[ARMV }; const struct rtos_register_stacking rtos_riot_cortex_m0_stacking = { - 0x44, /* stack_registers_size */ - -1, /* stack_growth_direction */ - ARMV7M_NUM_CORE_REGS, /* num_output_registers */ - rtos_riot_cortex_m_stack_align, /* stack_alignment */ - rtos_riot_cortex_m0_stack_offsets /* register_offsets */ + .stack_registers_size = 0x44, + .stack_growth_direction = -1, + .num_output_registers = ARMV7M_NUM_CORE_REGS, + .calculate_process_stack = rtos_riot_cortex_m_stack_align, + .register_offsets = rtos_riot_cortex_m0_stack_offsets }; /* see thread_arch.c */ @@ -87,9 +87,9 @@ static const struct stack_register_offset rtos_riot_cortex_m34_stack_offsets[ARM }; const struct rtos_register_stacking rtos_riot_cortex_m34_stacking = { - 0x44, /* stack_registers_size */ - -1, /* stack_growth_direction */ - ARMV7M_NUM_CORE_REGS, /* num_output_registers */ - rtos_riot_cortex_m_stack_align, /* stack_alignment */ - rtos_riot_cortex_m34_stack_offsets /* register_offsets */ + .stack_registers_size = 0x44, + .stack_growth_direction = -1, + .num_output_registers = ARMV7M_NUM_CORE_REGS, + .calculate_process_stack = rtos_riot_cortex_m_stack_align, + .register_offsets = rtos_riot_cortex_m34_stack_offsets }; diff --git a/src/rtos/rtos_standard_stackings.c b/src/rtos/rtos_standard_stackings.c index 7b054cbbc..7ff5b89c0 100644 --- a/src/rtos/rtos_standard_stackings.c +++ b/src/rtos/rtos_standard_stackings.c @@ -22,6 +22,7 @@ #include "rtos.h" #include "target/armv7m.h" +#include "target/riscv/riscv.h" static const struct stack_register_offset rtos_standard_Cortex_M3_stack_offsets[ARMV7M_NUM_CORE_REGS] = { { ARMV7M_R0, 0x20, 32 }, /* r0 */ @@ -152,6 +153,47 @@ static const struct stack_register_offset rtos_standard_NDS32_N1068_stack_offset { 35, 0x10, 32 }, /* IFC_LP */ }; +static const struct stack_register_offset rtos_standard_RV32_stack_offsets[] = { + /* zero isn't on the stack. By making its offset -1 we leave the value at 0 + * inside rtos_generic_stack_read(). */ + { GDB_REGNO_ZERO, -1, 32 }, + { GDB_REGNO_RA, 0x04, 32 }, + { GDB_REGNO_SP, 0x08, 32 }, + { GDB_REGNO_GP, 0x0c, 32 }, + { GDB_REGNO_TP, 0x10, 32 }, + { GDB_REGNO_T0, 0x14, 32 }, + { GDB_REGNO_T1, 0x18, 32 }, + { GDB_REGNO_T2, 0x1c, 32 }, + { GDB_REGNO_FP, 0x20, 32 }, + { GDB_REGNO_S1, 0x24, 32 }, + { GDB_REGNO_A0, 0x28, 32 }, + { GDB_REGNO_A1, 0x2c, 32 }, + { GDB_REGNO_A2, 0x30, 32 }, + { GDB_REGNO_A3, 0x34, 32 }, + { GDB_REGNO_A4, 0x38, 32 }, + { GDB_REGNO_A5, 0x3c, 32 }, + { GDB_REGNO_A6, 0x40, 32 }, + { GDB_REGNO_A7, 0x44, 32 }, + { GDB_REGNO_S2, 0x48, 32 }, + { GDB_REGNO_S3, 0x4c, 32 }, + { GDB_REGNO_S4, 0x50, 32 }, + { GDB_REGNO_S5, 0x54, 32 }, + { GDB_REGNO_S6, 0x58, 32 }, + { GDB_REGNO_S7, 0x5c, 32 }, + { GDB_REGNO_S8, 0x60, 32 }, + { GDB_REGNO_S9, 0x64, 32 }, + { GDB_REGNO_S10, 0x68, 32 }, + { GDB_REGNO_S11, 0x6c, 32 }, + { GDB_REGNO_T3, 0x70, 32 }, + { GDB_REGNO_T4, 0x74, 32 }, + { GDB_REGNO_T5, 0x78, 32 }, + { GDB_REGNO_T6, 0x7c, 32 }, + { GDB_REGNO_PC, 0x80, 32 }, + /* Registers below are on the stack, but not what gdb expects to return from + * a 'g' packet so are only accessible through get_reg. */ + { GDB_REGNO_MSTATUS, 0x84, 32 }, +}; + static int64_t rtos_generic_stack_align(struct target *target, const uint8_t *stack_data, const struct rtos_register_stacking *stacking, int64_t stack_ptr, int align) @@ -249,41 +291,50 @@ static int64_t rtos_standard_Cortex_M4F_FPU_stack_align(struct target *target, const struct rtos_register_stacking rtos_standard_Cortex_M3_stacking = { - 0x40, /* stack_registers_size */ - -1, /* stack_growth_direction */ - ARMV7M_NUM_CORE_REGS, /* num_output_registers */ - rtos_standard_Cortex_M3_stack_align, /* stack_alignment */ - rtos_standard_Cortex_M3_stack_offsets /* register_offsets */ + .stack_registers_size = 0x40, + .stack_growth_direction = -1, + .num_output_registers = ARMV7M_NUM_CORE_REGS, + .calculate_process_stack = rtos_standard_Cortex_M3_stack_align, + .register_offsets = rtos_standard_Cortex_M3_stack_offsets }; const struct rtos_register_stacking rtos_standard_Cortex_M4F_stacking = { - 0x44, /* stack_registers_size 4 more for LR*/ - -1, /* stack_growth_direction */ - ARMV7M_NUM_CORE_REGS, /* num_output_registers */ - rtos_standard_Cortex_M4F_stack_align, /* stack_alignment */ - rtos_standard_Cortex_M4F_stack_offsets /* register_offsets */ + .stack_registers_size = 0x44, /* 4 more for LR*/ + .stack_growth_direction = -1, + .num_output_registers = ARMV7M_NUM_CORE_REGS, + .calculate_process_stack = rtos_standard_Cortex_M4F_stack_align, + .register_offsets = rtos_standard_Cortex_M4F_stack_offsets }; const struct rtos_register_stacking rtos_standard_Cortex_M4F_FPU_stacking = { - 0xcc, /* stack_registers_size 4 more for LR + 48 more for FPU S0-S15 register*/ - -1, /* stack_growth_direction */ - ARMV7M_NUM_CORE_REGS, /* num_output_registers */ - rtos_standard_Cortex_M4F_FPU_stack_align, /* stack_alignment */ - rtos_standard_Cortex_M4F_FPU_stack_offsets /* register_offsets */ + .stack_registers_size = 0xcc, /* 4 more for LR + 48 more for FPU S0-S15 register*/ + .stack_growth_direction = -1, + .num_output_registers = ARMV7M_NUM_CORE_REGS, + .calculate_process_stack = rtos_standard_Cortex_M4F_FPU_stack_align, + .register_offsets = rtos_standard_Cortex_M4F_FPU_stack_offsets }; const struct rtos_register_stacking rtos_standard_Cortex_R4_stacking = { - 0x48, /* stack_registers_size */ - -1, /* stack_growth_direction */ - 26, /* num_output_registers */ - rtos_generic_stack_align8, /* stack_alignment */ - rtos_standard_Cortex_R4_stack_offsets /* register_offsets */ + .stack_registers_size = 0x48, + .stack_growth_direction = -1, + .num_output_registers = 26, + .calculate_process_stack = rtos_generic_stack_align8, + .register_offsets = rtos_standard_Cortex_R4_stack_offsets }; const struct rtos_register_stacking rtos_standard_NDS32_N1068_stacking = { - 0x90, /* stack_registers_size */ - -1, /* stack_growth_direction */ - 32, /* num_output_registers */ - rtos_generic_stack_align8, /* stack_alignment */ - rtos_standard_NDS32_N1068_stack_offsets /* register_offsets */ + .stack_registers_size = 0x90, + .stack_growth_direction = -1, + .num_output_registers = 32, + .calculate_process_stack = rtos_generic_stack_align8, + .register_offsets = rtos_standard_NDS32_N1068_stack_offsets +}; + +const struct rtos_register_stacking rtos_standard_RV32_stacking = { + .stack_registers_size = (32 + 2) * 4, + .stack_growth_direction = -1, + .num_output_registers = 33, + .calculate_process_stack = rtos_generic_stack_align8, + .register_offsets = rtos_standard_RV32_stack_offsets, + .total_register_count = ARRAY_SIZE(rtos_standard_RV32_stack_offsets) }; diff --git a/src/rtos/rtos_standard_stackings.h b/src/rtos/rtos_standard_stackings.h index 6971efd1e..302ebed84 100644 --- a/src/rtos/rtos_standard_stackings.h +++ b/src/rtos/rtos_standard_stackings.h @@ -37,4 +37,6 @@ int64_t rtos_Cortex_M_stack_align(struct target *target, const uint8_t *stack_data, const struct rtos_register_stacking *stacking, int64_t stack_ptr, size_t xpsr_offset); +extern const struct rtos_register_stacking rtos_standard_RV32_stacking; + #endif /* OPENOCD_RTOS_RTOS_STANDARD_STACKINGS_H */ diff --git a/src/rtos/rtos_ucos_iii_stackings.c b/src/rtos/rtos_ucos_iii_stackings.c index d093563ba..1081d3716 100644 --- a/src/rtos/rtos_ucos_iii_stackings.c +++ b/src/rtos/rtos_ucos_iii_stackings.c @@ -68,17 +68,16 @@ static const struct stack_register_offset rtos_uCOS_III_eSi_RISC_stack_offsets[] }; const struct rtos_register_stacking rtos_uCOS_III_Cortex_M_stacking = { - 0x40, /* stack_registers_size */ - -1, /* stack_growth_direction */ - ARRAY_SIZE(rtos_uCOS_III_Cortex_M_stack_offsets), /* num_output_registers */ - rtos_generic_stack_align8, /* stack_alignment */ - rtos_uCOS_III_Cortex_M_stack_offsets /* register_offsets */ + .stack_registers_size = 0x40, + .stack_growth_direction = -1, + .num_output_registers = ARRAY_SIZE(rtos_uCOS_III_Cortex_M_stack_offsets), + .calculate_process_stack = rtos_generic_stack_align8, + .register_offsets = rtos_uCOS_III_Cortex_M_stack_offsets }; const struct rtos_register_stacking rtos_uCOS_III_eSi_RISC_stacking = { - 0x4c, /* stack_registers_size */ - -1, /* stack_growth_direction */ - ARRAY_SIZE(rtos_uCOS_III_eSi_RISC_stack_offsets), /* num_output_registers */ - NULL, /* stack_alignment */ - rtos_uCOS_III_eSi_RISC_stack_offsets /* register_offsets */ + .stack_registers_size = 0x4c, + .stack_growth_direction = -1, + .num_output_registers = ARRAY_SIZE(rtos_uCOS_III_eSi_RISC_stack_offsets), + .register_offsets = rtos_uCOS_III_eSi_RISC_stack_offsets }; diff --git a/src/server/gdb_server.c b/src/server/gdb_server.c index a5f4acbfd..c1d46fb04 100644 --- a/src/server/gdb_server.c +++ b/src/server/gdb_server.c @@ -1318,7 +1318,7 @@ static int gdb_get_register_packet(struct connection *connection, if (reg_list_size <= reg_num) { LOG_ERROR("gdb requested a non-existing register"); - return ERROR_SERVER_REMOTE_CLOSED; + return gdb_error(connection, retval); } if (!reg_list[reg_num]->valid) { @@ -2635,6 +2635,7 @@ static int gdb_query_packet(struct connection *connection, cmd = malloc((packet_size - 6) / 2 + 1); size_t len = unhexify((uint8_t *)cmd, packet + 6, (packet_size - 6) / 2); cmd[len] = 0; + LOG_DEBUG("qRcmd: %s", cmd); /* We want to print all debug output to GDB connection */ log_add_callback(gdb_log_callback, connection); diff --git a/src/server/server.h b/src/server/server.h index 99f5fe2ed..4ae6e95d4 100644 --- a/src/server/server.h +++ b/src/server/server.h @@ -30,6 +30,7 @@ #endif #include +#include #ifdef HAVE_NETINET_IN_H #include diff --git a/src/svf/svf.c b/src/svf/svf.c index 608703434..f35c61314 100644 --- a/src/svf/svf.c +++ b/src/svf/svf.c @@ -31,6 +31,7 @@ #include #include "svf.h" +#include "helper/system.h" #include /* SVF command */ diff --git a/src/target/algorithm.h b/src/target/algorithm.h index 8894241c0..0fc49d069 100644 --- a/src/target/algorithm.h +++ b/src/target/algorithm.h @@ -19,6 +19,9 @@ #ifndef OPENOCD_TARGET_ALGORITHM_H #define OPENOCD_TARGET_ALGORITHM_H +#include "helper/types.h" +#include "helper/replacements.h" + enum param_direction { PARAM_IN, PARAM_OUT, diff --git a/src/target/armv4_5_cache.h b/src/target/armv4_5_cache.h index 768938fd1..985a3a770 100644 --- a/src/target/armv4_5_cache.h +++ b/src/target/armv4_5_cache.h @@ -19,6 +19,8 @@ #ifndef OPENOCD_TARGET_ARMV4_5_CACHE_H #define OPENOCD_TARGET_ARMV4_5_CACHE_H +#include "helper/types.h" + struct command_invocation; struct armv4_5_cachesize { diff --git a/src/target/breakpoints.h b/src/target/breakpoints.h index 20faf4e6c..8c247f7a9 100644 --- a/src/target/breakpoints.h +++ b/src/target/breakpoints.h @@ -21,6 +21,8 @@ #include +#include "helper/types.h" + struct target; enum breakpoint_type { diff --git a/src/target/image.h b/src/target/image.h index 53c27d812..59b650855 100644 --- a/src/target/image.h +++ b/src/target/image.h @@ -26,6 +26,7 @@ #define OPENOCD_TARGET_IMAGE_H #include +#include #ifdef HAVE_ELF_H #include diff --git a/src/target/nds32_edm.h b/src/target/nds32_edm.h index 1dec190f1..2b5067a34 100644 --- a/src/target/nds32_edm.h +++ b/src/target/nds32_edm.h @@ -19,6 +19,8 @@ #ifndef OPENOCD_TARGET_NDS32_EDM_H #define OPENOCD_TARGET_NDS32_EDM_H +#include "helper/types.h" + /** * @file * This is the interface to the Embedded Debug Module for Andes cores. diff --git a/src/target/register.h b/src/target/register.h index 5f1c25fb4..a7705f76e 100644 --- a/src/target/register.h +++ b/src/target/register.h @@ -22,6 +22,9 @@ #ifndef OPENOCD_TARGET_REGISTER_H #define OPENOCD_TARGET_REGISTER_H +#include "helper/replacements.h" +#include "helper/types.h" + struct target; enum reg_type { diff --git a/src/target/semihosting_common.h b/src/target/semihosting_common.h index 8fb5e0c3a..b83464ed5 100644 --- a/src/target/semihosting_common.h +++ b/src/target/semihosting_common.h @@ -25,6 +25,7 @@ #include #include #include +#include "helper/replacements.h" /* * According to: diff --git a/src/target/target.h b/src/target/target.h index f6044c5b9..93896906a 100644 --- a/src/target/target.h +++ b/src/target/target.h @@ -32,6 +32,8 @@ #define OPENOCD_TARGET_TARGET_H #include +#include "helper/replacements.h" +#include "helper/system.h" #include struct reg; diff --git a/src/target/trace.h b/src/target/trace.h index 2966bbd94..45308c0d8 100644 --- a/src/target/trace.h +++ b/src/target/trace.h @@ -19,6 +19,8 @@ #ifndef OPENOCD_TARGET_TRACE_H #define OPENOCD_TARGET_TRACE_H +#include "helper/types.h" + struct target; struct command_context; diff --git a/src/transport/transport.c b/src/transport/transport.c index cb000ab11..ba1f9e9f7 100644 --- a/src/transport/transport.c +++ b/src/transport/transport.c @@ -42,6 +42,7 @@ */ #include +#include #include extern struct command_context *global_cmd_ctx; diff --git a/src/xsvf/xsvf.c b/src/xsvf/xsvf.c index eaa5a3aae..2a7b56dbf 100644 --- a/src/xsvf/xsvf.c +++ b/src/xsvf/xsvf.c @@ -39,6 +39,7 @@ #endif #include "xsvf.h" +#include "helper/system.h" #include #include