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authorRichard Henderson <rth@redhat.com>2003-09-30 23:01:47 -0700
committerRichard Henderson <rth@gcc.gnu.org>2003-09-30 23:01:47 -0700
commited80cd6809e600cf021fc66cbc1d5fa5c682cab7 (patch)
tree20abd603a5bcb42f4ffe7929126e0ebc032fc438 /gcc/dwarf2out.c
parent6ab7003d15f074b44f4a521a7ac46b9759492f86 (diff)
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dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Honor DWARF_ALT_FRAME_RETURN_COLUMN.
* 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. From-SVN: r71967
Diffstat (limited to 'gcc/dwarf2out.c')
-rw-r--r--gcc/dwarf2out.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c
index f22ca50..9a23c76 100644
--- a/gcc/dwarf2out.c
+++ b/gcc/dwarf2out.c
@@ -482,10 +482,20 @@ expand_builtin_init_dwarf_reg_sizes (tree address)
emit_move_insn (adjust_address (mem, mode, offset), GEN_INT (size));
}
+
+#ifdef DWARF_ALT_FRAME_RETURN_COLUMN
+ if (! wrote_return_column)
+ abort ();
+ i = DWARF_ALT_FRAME_RETURN_COLUMN;
+ wrote_return_column = false;
+#else
+ i = DWARF_FRAME_RETURN_COLUMN;
+#endif
+
if (! wrote_return_column)
{
enum machine_mode save_mode = Pmode;
- HOST_WIDE_INT offset = DWARF_FRAME_RETURN_COLUMN * GET_MODE_SIZE (mode);
+ HOST_WIDE_INT offset = i * GET_MODE_SIZE (mode);
HOST_WIDE_INT size = GET_MODE_SIZE (save_mode);
emit_move_insn (adjust_address (mem, mode, offset), GEN_INT (size));
}