target: constify structures

Change-Id: I875cfab8dec4ade72ed9c9cd7d52baaca182a1ef
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/2295
Tested-by: jenkins

src/target/arm_adi_v5.c

@@ -987,7 +987,7 @@ static int dap_rom_display(struct command_context *cmd_ctx,
 			uint32_t c_pid0, c_pid1, c_pid2, c_pid3, c_pid4;
 			uint32_t component_base;
 			unsigned part_num;
-			char *type, *full;
+			const char *type, *full;
 
 			component_base = (dbgbase & 0xFFFFF000) + (romentry & 0xFFFFF000);
 
@@ -1046,7 +1046,7 @@ static int dap_rom_display(struct command_context *cmd_ctx,
 			if (((c_cid1 >> 4) & 0x0f) == 9) {
 				uint32_t devtype;
 				unsigned minor;
-				char *major = "Reserved", *subtype = "Reserved";
+				const char *major = "Reserved", *subtype = "Reserved";
 
 				retval = mem_ap_read_atomic_u32(dap,
 						(component_base & 0xfffff000) | 0xfcc,

src/target/arm_semihosting.c

@@ -48,7 +48,7 @@
 #include <helper/log.h>
 #include <sys/stat.h>
 
-static int open_modeflags[12] = {
+static const int open_modeflags[12] = {
 	O_RDONLY,
 	O_RDONLY | O_BINARY,
 	O_RDWR,

src/target/armv7m.c

@@ -44,7 +44,7 @@
 #define _DEBUG_INSTRUCTION_EXECUTION_
 #endif
 
-static char *armv7m_exception_strings[] = {
+static const char * const armv7m_exception_strings[] = {
 	"", "Reset", "NMI", "HardFault",
 	"MemManage", "BusFault", "UsageFault", "RESERVED",
 	"RESERVED", "RESERVED", "RESERVED", "SVCall",
@@ -148,7 +148,7 @@ int armv7m_restore_context(struct target *target)
  * They are assigned by vendors, which generally assign different numbers to
  * peripherals (such as UART0 or a USB peripheral controller).
  */
-char *armv7m_exception_string(int number)
+const char *armv7m_exception_string(int number)
 {
 	static char enamebuf[32];
 

src/target/armv7m.h

@@ -33,7 +33,7 @@
 extern const int armv7m_psp_reg_map[];
 extern const int armv7m_msp_reg_map[];
 
-char *armv7m_exception_string(int number);
+const char *armv7m_exception_string(int number);
 
 /* offsets into armv7m core register cache */
 enum {

src/target/avr32_ap7k.c

@@ -35,12 +35,12 @@
 #include "avr32_regs.h"
 #include "avr32_ap7k.h"
 
-static char *avr32_core_reg_list[] = {
+static const char * const avr32_core_reg_list[] = {
 	"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8",
 	"r9", "r10", "r11", "r12", "sp", "lr", "pc", "sr"
 };
 
-static struct avr32_core_reg
+static const struct avr32_core_reg
 	avr32_core_reg_list_arch_info[AVR32NUMCOREREGS] = {
 	{0, NULL, NULL},
 	{1, NULL, NULL},

src/target/breakpoints.c

@@ -29,12 +29,12 @@
 #include <helper/log.h>
 #include "breakpoints.h"
 
-static char *breakpoint_type_strings[] = {
+static const char * const breakpoint_type_strings[] = {
 	"hardware",
 	"software"
 };
 
-static char *watchpoint_rw_strings[] = {
+static const char * const watchpoint_rw_strings[] = {
 	"read",
 	"write",
 	"access"
@@ -50,7 +50,7 @@ int breakpoint_add_internal(struct target *target,
 {
 	struct breakpoint *breakpoint = target->breakpoints;
 	struct breakpoint **breakpoint_p = &target->breakpoints;
-	char *reason;
+	const char *reason;
 	int retval;
 	int n;
 
@@ -396,7 +396,7 @@ int watchpoint_add(struct target *target, uint32_t address, uint32_t length,
 	struct watchpoint *watchpoint = target->watchpoints;
 	struct watchpoint **watchpoint_p = &target->watchpoints;
 	int retval;
-	char *reason;
+	const char *reason;
 
 	while (watchpoint) {
 		if (watchpoint->address == address) {

src/target/dsp563xx.c

@@ -335,7 +335,7 @@ enum watchpoint_condition {
 	((s & 1) << 16) | ((w & 1) << 15) | ((d & 0x3f) << 8) | (p & 0x3f))
 
 /* the gdb register list is send in this order */
-static uint8_t gdb_reg_list_idx[] = {
+static const uint8_t gdb_reg_list_idx[] = {
 	DSP563XX_REG_IDX_X1, DSP563XX_REG_IDX_X0, DSP563XX_REG_IDX_Y1, DSP563XX_REG_IDX_Y0,
 	DSP563XX_REG_IDX_A2, DSP563XX_REG_IDX_A1, DSP563XX_REG_IDX_A0, DSP563XX_REG_IDX_B2,
 	DSP563XX_REG_IDX_B1, DSP563XX_REG_IDX_B0, DSP563XX_REG_IDX_PC, DSP563XX_REG_IDX_SR,

src/target/dsp563xx_once.h

@@ -63,9 +63,9 @@
 #define DSP563XX_ONCE_NOREG	0x01F	/* no register selected */
 
 struct once_reg {
-	uint8_t num;
+	const uint8_t num;
-	uint8_t addr;
+	const uint8_t addr;
-	uint8_t len;
+	const uint8_t len;
 	const char *name;
 	uint32_t reg;
 };

src/target/embeddedice.c

@@ -54,9 +54,9 @@ static int embeddedice_set_reg_w_exec(struct reg *reg, uint8_t *buf);
  * From:  ARM9E-S TRM, DDI 0165, table C-4 (and similar, for other cores)
  */
 static const struct {
-	char		*name;
+	const char     *name;
-	unsigned short	addr;
+	unsigned short addr;
-	unsigned short	width;
+	unsigned short width;
 } eice_regs[] = {
 	[EICE_DBG_CTRL] = {
 		.name =		"debug_ctrl",

src/target/etb.c

@@ -27,7 +27,7 @@
 #include "etb.h"
 #include "register.h"
 
-static char *etb_reg_list[] = {
+static const char * const etb_reg_list[] = {
 	"ETB_identification",
 	"ETB_ram_depth",
 	"ETB_ram_width",

src/target/etm.c

@@ -67,7 +67,7 @@ struct etm_reg_info {
 	uint8_t size;			/* low-N of 32 bits */
 	uint8_t mode;			/* RO, WO, RW */
 	uint8_t bcd_vers;		/* 1.0, 2.0, etc */
-	char *name;
+	const char *name;
 };
 
 /*

src/target/nds32_reg.c

@@ -26,7 +26,7 @@
 
 static bool nds32_reg_init_done;
 static struct nds32_reg_s nds32_regs[TOTAL_REG_NUM];
-static struct nds32_reg_exception_s nds32_ex_reg_values[] = {
+static const struct nds32_reg_exception_s nds32_ex_reg_values[] = {
 	{IR0, 3, 0x3, 2},
 	{IR0, 3, 0x3, 3},
 	{IR1, 3, 0x3, 2},
@@ -358,7 +358,7 @@ const char *nds32_reg_symbolic_name(uint32_t number)
 bool nds32_reg_exception(uint32_t number, uint32_t value)
 {
 	int i;
-	struct nds32_reg_exception_s *ex_reg_value;
+	const struct nds32_reg_exception_s *ex_reg_value;
 	uint32_t field_value;
 
 	i = 0;

src/target/openrisc/jsp_server.c

@@ -37,7 +37,7 @@ static char *jsp_port;
  * the client should be forced into character mode. However it doesn't make any difference.
  */
 
-static char *negotiate =
+static const char * const negotiate =
 	"\xFF\xFB\x03"			/* IAC WILL Suppress Go Ahead */
 	"\xFF\xFB\x01"			/* IAC WILL Echo */
 	"\xFF\xFD\x03"			/* IAC DO Suppress Go Ahead */

src/target/openrisc/or1k.c

@@ -50,7 +50,7 @@ static int or1k_write_core_reg(struct target *target, int num);
 
 static struct or1k_core_reg *or1k_core_reg_list_arch_info;
 
-struct or1k_core_reg_init or1k_init_reg_list[] = {
+static const struct or1k_core_reg_init or1k_init_reg_list[] = {
 	{"r0"       , GROUP0 + 1024, "org.gnu.gdb.or1k.group0", NULL},
 	{"r1"       , GROUP0 + 1025, "org.gnu.gdb.or1k.group0", NULL},
 	{"r2"       , GROUP0 + 1026, "org.gnu.gdb.or1k.group0", NULL},

src/target/openrisc/or1k_tap_vjtag.c

@@ -61,7 +61,7 @@
 #define OR1K_TAP_INST_IDCODE 0x2
 #define OR1K_TAP_INST_DEBUG 0x8
 
-static char *id_to_string(unsigned char id)
+static const char *id_to_string(unsigned char id)
 {
 	switch (id) {
 	case VJTAG_NODE_ID:

src/target/xscale.c

@@ -78,7 +78,7 @@ static const uint8_t xscale_debug_handler[] = {
 #include "xscale_debug.inc"
 };
 
-static char *const xscale_reg_list[] = {
+static const char *const xscale_reg_list[] = {
 	"XSCALE_MAINID",		/* 0 */
 	"XSCALE_CACHETYPE",
 	"XSCALE_CTRL",