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gdb_server: support gdb target description

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* Add a parameter in .get_gdb_reg_list() to return different
  register lists as generating target description.
* Modify STRUCT REG to let gdb generate target description
  according to register information.

The modified structure of register is
struct reg {
        const char *name;
        uint32_t number;  /* for regnum="num" */
        struct reg_feature *feature;  /* for register group feature name */
        bool caller_save;  /* for save-restore="yes|no" */
        void *value;
        bool dirty;
        bool valid;
        bool exist;
        uint32_t size;
        struct reg_data_type *reg_data_type;  /* for type="type" */
        const char *group;  /* for group="general|float|vector" */
        void *arch_info;
        const struct reg_arch_type *type;
};

Change-Id: I2096b67adf94518ba0b8b23d8c6a9f64ad7932b8
Signed-off-by: Hsiangkai Wang <hsiangkai@gmail.com>
Reviewed-on: http://openocd.zylin.com/1382
Tested-by: jenkins
Reviewed-by: Franck Jullien <franck.jullien@gmail.com>
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
This commit is contained in:
Hsiangkai Wang
2013-05-07 21:43:35 +08:00
committed by Spencer Oliver
parent 9f2922aa7a
commit d979d78e97
16 changed files with 657 additions and 56 deletions
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5
src/rtos/linux.c
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@@ -226,7 +226,8 @@ static int linux_os_thread_reg_list(struct rtos *rtos,
/*LOG_INFO("thread %lx current on core %x",thread_id,
* target->coreid);*/
retval =
target_get_gdb_reg_list(target, &reg_list, &reg_list_size);
target_get_gdb_reg_list(target, &reg_list, &reg_list_size,
REG_CLASS_GENERAL);
if (retval != ERROR_OK)
return retval;
@@ -498,7 +499,7 @@ int get_current(struct target *target, int create)
int retval;
if (target_get_gdb_reg_list(head->target, &reg_list,
&reg_list_size) != ERROR_OK) {
&reg_list_size, REG_CLASS_GENERAL) != ERROR_OK) {
free(buffer);
return ERROR_TARGET_FAILURE;
}