esp/xtensa: Adds 'get_gdb_arch' target API

src/target/esp32.c

@@ -786,6 +786,7 @@ struct target_type esp32_target = {
 
 	.checksum_memory = xtensa_checksum_memory,
 
+	.get_gdb_arch = xtensa_get_gdb_arch,
 	.get_gdb_reg_list = xtensa_get_gdb_reg_list,
 
 	.run_algorithm = xtensa_run_algorithm,

src/target/esp32s2.c

@@ -784,6 +784,7 @@ struct target_type esp32s2_target = {
 
 	.checksum_memory = xtensa_checksum_memory,
 
+	.get_gdb_arch = xtensa_get_gdb_arch,
 	.get_gdb_reg_list = xtensa_get_gdb_reg_list,
 
 	.run_algorithm = xtensa_run_algorithm,

src/target/esp32s3.c

@@ -698,6 +698,7 @@ struct target_type esp32s3_target = {
 
 	.checksum_memory = xtensa_checksum_memory,
 
+	.get_gdb_arch = xtensa_get_gdb_arch,
 	.get_gdb_reg_list = xtensa_get_gdb_reg_list,
 
 	.run_algorithm = xtensa_run_algorithm,

src/target/xtensa.c

@@ -2550,6 +2550,11 @@ void xtensa_target_deinit(struct target *target)
 	free(xtensa->sw_brps);
 }
 
+const char *xtensa_get_gdb_arch(struct target *target)
+{
+	return "xtensa";
+}
+
 COMMAND_HELPER(xtensa_cmd_permissive_mode_do, struct xtensa *xtensa)
 {
 	if (CMD_ARGC != 1)

src/target/xtensa.h

@@ -489,6 +489,7 @@ int xtensa_handle_target_event(struct target *target,
 void xtensa_set_permissive_mode(struct target *target, bool state);
 int xtensa_fetch_user_regs_u32(struct target *target);
 int xtensa_queue_write_dirty_user_regs_u32(struct target *target);
+const char *xtensa_get_gdb_arch(struct target *target);
 
 extern const struct reg_arch_type xtensa_user_reg_u32_type;
 extern const struct reg_arch_type xtensa_user_reg_u128_type;