fix crash with DSP563XX

When a DSP563xx-aware GDB asks OpenOCD for target registers,
the result should be a GDB with register data ... not an
OpenOCD crash.

(Note that mainline GDB doesn't currently support this core,
so for now, this requires a GDB with FreeScale patches.)

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>

diff --git a/src/target/dsp563xx.c b/src/target/dsp563xx.c
index 9e2f6093986cead169e5124470ff74ad5f156170..049ee1a780e436ad93e530766fb86f72bbe5eafc 100644 (file)
--- a/src/target/dsp563xx.c
+++ b/src/target/dsp563xx.c
@@ -246,6 +246,29 @@ static const struct
        /* *INDENT-ON* */
 };
 
+static int dsp563xx_get_gdb_reg_list(struct target *target, struct reg **reg_list[],
+                             int *reg_list_size)
+{
+       struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
+       int i;
+
+       if (target->state != TARGET_HALTED)
+       {
+               return ERROR_TARGET_NOT_HALTED;
+       }
+
+       *reg_list_size = DSP563XX_NUMCOREREGS;
+       *reg_list = malloc(sizeof(struct reg *) * (*reg_list_size));
+
+       for (i = 0; i < DSP563XX_NUMCOREREGS; i++)
+       {
+               (*reg_list)[i] = &dsp563xx->core_cache->reg_list[i];
+       }
+
+       return ERROR_OK;
+
+}
+
 int dsp563xx_read_core_reg(struct target *target, int num)
 {
        uint32_t reg_value;
@@ -974,6 +997,8 @@ struct target_type dsp563xx_target = {
 
        .target_request_data = NULL,
 
+       .get_gdb_reg_list = dsp563xx_get_gdb_reg_list,
+
        .halt = dsp563xx_halt,
        .resume = dsp563xx_resume,
        .step = dsp563xx_step,