diff options
| author | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-10-01 06:01:47 +0000 |
|---|---|---|
| committer | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-10-01 06:01:47 +0000 |
| commit | c49ad9ef92ccbf9ca427e3cd0e359f42fd11a809 (patch) | |
| tree | 20abd603a5bcb42f4ffe7929126e0ebc032fc438 /gcc/config/alpha/linux.h | |
| parent | 853f6a41c245ec7ae212fce1223b05c69f1717bc (diff) | |
| download | gcc-c49ad9ef92ccbf9ca427e3cd0e359f42fd11a809.tar.gz | |
* dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Honor
DWARF_ALT_FRAME_RETURN_COLUMN.
* unwind-dw2.c (dwarf_reg_size_table): Expand by one.
(_Unwind_GetGR, _Unwind_SetGR): Validate lookup column.
(uw_frame_state_for): Return end-of-stack for null return address.
* doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Add.
* config/alpha/alpha.c (alpha_sa_mask): Add r31 for eh_return.
(alpha_expand_prologue): Store a zero for it.
(alpha_expand_epilogue): Don't reload it.
* config/alpha/alpha.h (DWARF_ALT_FRAME_RETURN_COLUMN): New.
* config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Use column 64
for the sigframe return address.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@71967 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config/alpha/linux.h')
| -rw-r--r-- | gcc/config/alpha/linux.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/gcc/config/alpha/linux.h b/gcc/config/alpha/linux.h index 0853369171d..2c9cc8ea6a1 100644 --- a/gcc/config/alpha/linux.h +++ b/gcc/config/alpha/linux.h @@ -85,6 +85,8 @@ Boston, MA 02111-1307, USA. */ if (pc_[0] != 0x47fe0410 /* mov $30,$16 */ \ || pc_[2] != 0x00000083 /* callsys */) \ break; \ + if ((CONTEXT)->cfa == 0) \ + break; \ if (pc_[1] == 0x201f0067) /* lda $0,NR_sigreturn */ \ sc_ = (CONTEXT)->cfa; \ else if (pc_[1] == 0x201f015f) /* lda $0,NR_rt_sigreturn */ \ @@ -113,8 +115,8 @@ Boston, MA 02111-1307, USA. */ (FS)->regs.reg[i_+32].loc.offset \ = (long)&sc_->sc_fpregs[i_] - new_cfa_; \ } \ - (FS)->regs.reg[31].how = REG_SAVED_OFFSET; \ - (FS)->regs.reg[31].loc.offset = (long)&sc_->sc_pc - new_cfa_; \ - (FS)->retaddr_column = 31; \ + (FS)->regs.reg[64].how = REG_SAVED_OFFSET; \ + (FS)->regs.reg[64].loc.offset = (long)&sc_->sc_pc - new_cfa_; \ + (FS)->retaddr_column = 64; \ goto SUCCESS; \ } while (0) |