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authorrth <rth@138bc75d-0d04-0410-961f-82ee72b054a4>2003-10-01 06:01:47 +0000
committerrth <rth@138bc75d-0d04-0410-961f-82ee72b054a4>2003-10-01 06:01:47 +0000
commitc49ad9ef92ccbf9ca427e3cd0e359f42fd11a809 (patch)
tree20abd603a5bcb42f4ffe7929126e0ebc032fc438 /gcc/config/alpha/alpha.h
parent853f6a41c245ec7ae212fce1223b05c69f1717bc (diff)
downloadgcc-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/alpha.h')
-rw-r--r--gcc/config/alpha/alpha.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/config/alpha/alpha.h b/gcc/config/alpha/alpha.h
index e68cb4848e6..5faadfbdbf0 100644
--- a/gcc/config/alpha/alpha.h
+++ b/gcc/config/alpha/alpha.h
@@ -1208,6 +1208,7 @@ do { \
/* Before the prologue, RA lives in $26. */
#define INCOMING_RETURN_ADDR_RTX gen_rtx_REG (Pmode, 26)
#define DWARF_FRAME_RETURN_COLUMN DWARF_FRAME_REGNUM (26)
+#define DWARF_ALT_FRAME_RETURN_COLUMN DWARF_FRAME_REGNUM (64)
/* Describe how we implement __builtin_eh_return. */
#define EH_RETURN_DATA_REGNO(N) ((N) < 4 ? (N) + 16 : INVALID_REGNUM)