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hpux-unwind.h (pa_fallback_frame_state): Handle return parameter relocation and relocation stubs.

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* hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
	relocation and relocation stubs.

From-SVN: r113640
This commit is contained in:
John David Anglin 2006-05-09 00:36:11 +00:00 • committed by John David Anglin
parent 096cc29a10
commit fdaaf00202
2 changed files with 41 additions and 0 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
* hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
relocation and relocation stubs.
2006-05-08 Eric Christopher <echristo@apple.com>
* unwind-dw2-fde-darwin.c (examine_objects): Only check data

36
gcc/config/pa/hpux-unwind.h
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@ -116,6 +116,26 @@ pa_fallback_frame_state (struct _Unwind_Context *context,
if (pc == 0)
return _URC_END_OF_STACK;
/* Check for relocation of the return value. */
if (!TARGET_64BIT
&& *(pc + 0) == 0x2fd01224 /* fstd,ma fr4,8(sp) */
&& *(pc + 1) == 0x0fd9109d /* ldw -4(sp),ret1 */
&& *(pc + 2) == 0x0fd130bc) /* ldw,mb -8(sp),ret0 */
pc += 3;
else if (!TARGET_64BIT
&& *(pc + 0) == 0x27d01224 /* fstw,ma fr4,8(sp) */
&& *(pc + 1) == 0x0fd130bc) /* ldw,mb -8(sp),ret0 */
pc += 2;
else if (!TARGET_64BIT
&& *(pc + 0) == 0x0fdc12b0 /* stw,ma ret0,8(sp) */
&& *(pc + 1) == 0x0fdd1299 /* stw ret1,-4(sp) */
&& *(pc + 2) == 0x2fd13024) /* fldd,mb -8(sp),fr4 */
pc += 3;
else if (!TARGET_64BIT
&& *(pc + 0) == 0x0fdc12b0 /* stw,ma ret0,8(sp) */
&& *(pc + 1) == 0x27d13024) /* fldw,mb -8(sp),fr4 */
pc += 2;
/* Check if the return address points to an export stub (PA 1.1 or 2.0). */
if ((!TARGET_64BIT
&& *(pc + 0) == 0x4bc23fd1 /* ldw -18(sp),rp */
@ -135,6 +155,22 @@ pa_fallback_frame_state (struct _Unwind_Context *context,
fs->regs.reg[0].how = REG_SAVED_OFFSET;
fs->regs.reg[0].loc.offset = -24;
return _URC_NO_REASON;
}
/* Check if the return address points to a relocation stub. */
else if (!TARGET_64BIT
&& *(pc + 0) == 0x0fd11082 /* ldw -8(sp),rp */
&& (*(pc + 1) == 0xe840c002 /* bv,n r0(rp) */
|| *(pc + 1) == 0xe840d002)) /* bve,n (rp) */
{
fs->cfa_how = CFA_REG_OFFSET;
fs->cfa_reg = 30;
fs->cfa_offset = 0;
fs->retaddr_column = 0;
fs->regs.reg[0].how = REG_SAVED_OFFSET;
fs->regs.reg[0].loc.offset = -8;
return _URC_NO_REASON;
}