Merge pull request #214 from falstaff84/const-strings-and-structs

Constify strings and constant structs

src/target/cortexa.c

@@ -33,7 +33,7 @@
 #include "target.h"
 #include "target_internal.h"
 
-static char cortexa_driver_str[] = "ARM Cortex-A";
+static const char cortexa_driver_str[] = "ARM Cortex-A";
 
 static bool cortexa_attach(target *t);
 static void cortexa_detach(target *t);

src/target/cortexm.c

@@ -34,7 +34,7 @@
 
 #include <unistd.h>
 
-static char cortexm_driver_str[] = "ARM Cortex-M";
+static const char cortexm_driver_str[] = "ARM Cortex-M";
 
 static bool cortexm_vector_catch(target *t, int argc, char *argv[]);
 

src/target/jtag_scan.c

@@ -32,11 +32,11 @@
 struct jtag_dev_s jtag_devs[JTAG_MAX_DEVS+1];
 int jtag_dev_count;
 
-static struct jtag_dev_descr_s {
-	uint32_t idcode;
-	uint32_t idmask;
-	char *descr;
-	void (*handler)(jtag_dev_t *dev);
+static const struct jtag_dev_descr_s {
+	const uint32_t idcode;
+	const uint32_t idmask;
+	const char * const descr;
+	void (*const handler)(jtag_dev_t *dev);
 } dev_descr[] = {
 	{.idcode = 0x0BA00477, .idmask = 0x0FFF0FFF,
 		.descr = "ARM Limited: ADIv5 JTAG-DP port.",

src/target/jtag_scan.h

@@ -36,7 +36,7 @@ typedef struct jtag_dev_s {
 	uint8_t ir_postscan;
 
 	uint32_t idcode;
-	char *descr;
+	const char *descr;
 
 	uint32_t current_ir;