target: don't export local symbols

Symbols that are not used outside the file should not be exported
and should be declared as static.

Change-Id: Icbe7f7bce287b903edec9dc9db3370722c51fbd5
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/7173
Tested-by: jenkins
Reviewed-by: Tomas Vanek <vanekt@fbl.cz>

src/target/arm.h

@@ -310,7 +310,4 @@ void arm_set_cpsr(struct arm *arm, uint32_t cpsr);
 struct reg *arm_reg_current(struct arm *arm, unsigned regnum);
 struct reg *armv8_reg_current(struct arm *arm, unsigned regnum);
 
-extern struct reg arm_gdb_dummy_fp_reg;
-extern struct reg arm_gdb_dummy_fps_reg;
-
 #endif /* OPENOCD_TARGET_ARM_H */

src/target/arm946e.c

@@ -44,7 +44,7 @@ static int arm946e_post_debug_entry(struct target *target);
 static void arm946e_pre_restore_context(struct target *target);
 static int arm946e_read_cp15(struct target *target, int reg_addr, uint32_t *value);
 
-int arm946e_init_arch_info(struct target *target,
+static int arm946e_init_arch_info(struct target *target,
 	struct arm946e_common *arm946e,
 	struct jtag_tap *tap)
 {
@@ -173,7 +173,7 @@ static int arm946e_read_cp15(struct target *target, int reg_addr, uint32_t *valu
 	return ERROR_OK;
 }
 
-int arm946e_write_cp15(struct target *target, int reg_addr, uint32_t value)
+static int arm946e_write_cp15(struct target *target, int reg_addr, uint32_t value)
 {
 	int retval = ERROR_OK;
 	struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
@@ -720,7 +720,7 @@ static const struct command_registration arm946e_exec_command_handlers[] = {
 	COMMAND_REGISTRATION_DONE
 };
 
-const struct command_registration arm946e_command_handlers[] = {
+static const struct command_registration arm946e_command_handlers[] = {
 	{
 		.chain = arm9tdmi_command_handlers,
 	},

src/target/arm946e.h

@@ -32,10 +32,4 @@ static inline struct arm946e_common *target_to_arm946(struct target *target)
 			arm7_9_common.arm);
 }
 
-int arm946e_init_arch_info(struct target *target,
-			   struct arm946e_common *arm946e, struct jtag_tap *tap);
-int arm946e_write_cp15(struct target *target, int reg_addr, uint32_t value);
-
-extern const struct command_registration arm946e_command_handlers[];
-
 #endif /* OPENOCD_TARGET_ARM946E_H */

src/target/armv4_5.c

@@ -535,7 +535,7 @@ static struct reg_feature arm_gdb_dummy_fp_features = {
  * Modern ARM cores use Vector Floating Point (VFP), if they
  * have any floating point support.  VFP is not FPA-compatible.
  */
-struct reg arm_gdb_dummy_fp_reg = {
+static struct reg arm_gdb_dummy_fp_reg = {
 	.name = "GDB dummy FPA register",
 	.value = (uint8_t *) arm_gdb_dummy_fp_value,
 	.valid = true,
@@ -552,7 +552,7 @@ static const uint8_t arm_gdb_dummy_fps_value[4];
  * Dummy FPA status registers are required to support GDB on ARM.
  * Register packets require an obsolete FPA status register.
  */
-struct reg arm_gdb_dummy_fps_reg = {
+static struct reg arm_gdb_dummy_fps_reg = {
 	.name = "GDB dummy FPA status register",
 	.value = (uint8_t *) arm_gdb_dummy_fps_value,
 	.valid = true,

src/target/dsp5680xx.c

@@ -16,7 +16,7 @@
 #include "target_type.h"
 #include "dsp5680xx.h"
 
-struct dsp5680xx_common dsp5680xx_context;
+static struct dsp5680xx_common dsp5680xx_context;
 
 #define _E "DSP5680XX_ERROR:%d\nAt:%s:%d:%s"
 #define err_check(r, c, m) if (r != ERROR_OK) {LOG_ERROR(_E, c, __func__, __LINE__, m); return r; }

src/target/dsp5680xx.h

@@ -278,8 +278,6 @@ struct dsp5680xx_common {
 	bool debug_mode_enabled;
 };
 
-extern struct dsp5680xx_common dsp5680xx_context;
-
 static inline struct dsp5680xx_common *target_to_dsp5680xx(struct target
 							   *target)
 {

src/target/mips32_pracc.c

@@ -150,7 +150,7 @@ static int mips32_pracc_clean_text_jump(struct mips_ejtag *ejtag_info)
 	return ERROR_OK;
 }
 
-int mips32_pracc_exec(struct mips_ejtag *ejtag_info, struct pracc_queue_info *ctx,
+static int mips32_pracc_exec(struct mips_ejtag *ejtag_info, struct pracc_queue_info *ctx,
 					uint32_t *param_out, bool check_last)
 {
 	int code_count = 0;
@@ -323,7 +323,7 @@ void pracc_add(struct pracc_queue_info *ctx, uint32_t addr, uint32_t instr)
 		ctx->store_count++;
 }
 
-void pracc_add_li32(struct pracc_queue_info *ctx, uint32_t reg_num, uint32_t data, bool optimize)
+static void pracc_add_li32(struct pracc_queue_info *ctx, uint32_t reg_num, uint32_t data, bool optimize)
 {
 	if (LOWER16(data) == 0 && optimize)
 		pracc_add(ctx, 0, MIPS32_LUI(ctx->isa, reg_num, UPPER16(data)));	/* load only upper value */

src/target/mips32_pracc.h

@@ -53,7 +53,6 @@ struct pracc_queue_info {
 
 void pracc_queue_init(struct pracc_queue_info *ctx);
 void pracc_add(struct pracc_queue_info *ctx, uint32_t addr, uint32_t instr);
-void pracc_add_li32(struct pracc_queue_info *ctx, uint32_t reg_num, uint32_t data, bool optimize);
 void pracc_queue_free(struct pracc_queue_info *ctx);
 int mips32_pracc_queue_exec(struct mips_ejtag *ejtag_info,
 			    struct pracc_queue_info *ctx, uint32_t *buf, bool check_last);
@@ -68,9 +67,6 @@ int mips32_pracc_fastdata_xfer(struct mips_ejtag *ejtag_info, struct working_are
 int mips32_pracc_read_regs(struct mips_ejtag *ejtag_info, uint32_t *regs);
 int mips32_pracc_write_regs(struct mips_ejtag *ejtag_info, uint32_t *regs);
 
-int mips32_pracc_exec(struct mips_ejtag *ejtag_info, struct pracc_queue_info *ctx,
-				uint32_t *param_out, bool check_last);
-
 /**
  * \b mips32_cp0_read
  *

src/target/mips_m4k.c

@@ -1357,7 +1357,7 @@ static const struct command_registration mips_m4k_exec_command_handlers[] = {
 	COMMAND_REGISTRATION_DONE
 };
 
-const struct command_registration mips_m4k_command_handlers[] = {
+static const struct command_registration mips_m4k_command_handlers[] = {
 	{
 		.chain = mips32_command_handlers,
 	},

src/target/mips_m4k.h

@@ -43,6 +43,5 @@ static inline void mips_m4k_isa_filter(enum mips32_isa_imp isa_imp, target_addr_
 		}
 	}
 }
-extern const struct command_registration mips_m4k_command_handlers[];
 
 #endif /* OPENOCD_TARGET_MIPS_M4K_H */