diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/pa/hpux-unwind.h | 36 |
2 files changed, 41 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c2223f4..242e624 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -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 diff --git a/gcc/config/pa/hpux-unwind.h b/gcc/config/pa/hpux-unwind.h index aa443bf..383b072 100644 --- a/gcc/config/pa/hpux-unwind.h +++ b/gcc/config/pa/hpux-unwind.h @@ -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 */ @@ -137,6 +157,22 @@ pa_fallback_frame_state (struct _Unwind_Context *context, 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; + } /* Check if the return address is an export stub as signal handlers may return via an export stub. */ |