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2010-08-30 Yao Qi <yao@codesourcery.com>

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* arm-linux-tdep.c (arm_linux_sigreturn_return_addr): New.
	(arm_linux_syscall_next_pc): New.
	(arm_linux_copy_svc): Use arm_linux_sigreturn_return_addr instead.
	(arm_linux_init_abi): Initialize syscall_next_pc.
	* arm-tdep.c (thumb_get_next_pc_raw):  Get next pc of SWI in Thumb mode.
	(arm_get_next_pc_raw): Get next pc of SWI in ARM mode.
	* arm-tdep.h (struct gdbarch_tdep): Add a function pointer syscall_next_pc.
	Declare arm_frame_is_thumb.
This commit is contained in:
Yao Qi
2010-08-30 15:26:28 +00:00
parent eb34ac7a77
commit 25b41d01ea
4 changed files with 122 additions and 10 deletions
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22
gdb/arm-tdep.c
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@ -270,7 +270,7 @@ arm_psr_thumb_bit (struct gdbarch *gdbarch)
/* Determine if FRAME is executing in Thumb mode. */
static int
int
arm_frame_is_thumb (struct frame_info *frame)
{
CORE_ADDR cpsr;
@ -2828,7 +2828,16 @@ thumb_get_next_pc_raw (struct frame_info *frame, CORE_ADDR pc, int insert_bkpt)
else if ((inst1 & 0xf000) == 0xd000) /* conditional branch */
{
unsigned long cond = bits (inst1, 8, 11);
if (cond != 0x0f && condition_true (cond, status)) /* 0x0f = SWI */
if (cond == 0x0f) /* 0x0f = SWI */
{
struct gdbarch_tdep *tdep;
tdep = gdbarch_tdep (gdbarch);
if (tdep->syscall_next_pc != NULL)
nextpc = tdep->syscall_next_pc (frame);
}
else if (cond != 0x0f && condition_true (cond, status))
nextpc = pc_val + (sbits (inst1, 0, 7) << 1);
}
else if ((inst1 & 0xf800) == 0xe000) /* unconditional branch */
@ -3277,7 +3286,16 @@ arm_get_next_pc_raw (struct frame_info *frame, CORE_ADDR pc, int insert_bkpt)
case 0xc:
case 0xd:
case 0xe: /* coproc ops */
break;
case 0xf: /* SWI */
{
struct gdbarch_tdep *tdep;
tdep = gdbarch_tdep (gdbarch);
if (tdep->syscall_next_pc != NULL)
nextpc = tdep->syscall_next_pc (frame);
}
break;
default: