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authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /sysdeps/alpha/setjmp.S
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
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2.5-18.1
Diffstat (limited to 'sysdeps/alpha/setjmp.S')
-rw-r--r--sysdeps/alpha/setjmp.S57
1 files changed, 43 insertions, 14 deletions
diff --git a/sysdeps/alpha/setjmp.S b/sysdeps/alpha/setjmp.S
index 14a0320cd3..bc5da0f5bc 100644
--- a/sysdeps/alpha/setjmp.S
+++ b/sysdeps/alpha/setjmp.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992, 1994, 1996, 1997, 2002 Free Software Foundation, Inc.
+/* Copyright (C) 1992,1994,1996,1997,2002,2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -19,20 +19,24 @@
#define __ASSEMBLY__
#include <sysdep.h>
-#define _ASM
-#define _SETJMP_H
-#include <bits/setjmp.h>
+#include <jmpbuf-offsets.h>
- .ent __sigsetjmp
- .global __sigsetjmp
+ .ent __sigsetjmp
+ .global __sigsetjmp
__sigsetjmp:
- ldgp gp, 0(pv)
+ ldgp gp, 0(pv)
$sigsetjmp_local:
- subq sp, 16, sp
- .frame sp, 16, ra, 0
- stq ra, 0(sp)
- .mask 0x04000000, -16
+#ifndef PIC
+#define FRAME 16
+ subq sp, FRAME, sp
+ .frame sp, FRAME, ra, 0
+ stq ra, 0(sp)
+ .mask 0x04000000, -FRAME
+#else
+#define FRAME 0
+ .frame sp, FRAME, ra, 0
+#endif
#ifdef PROF
.set noat
lda AT, _mcount
@@ -47,10 +51,27 @@ $sigsetjmp_local:
stq s3, JB_S3*8(a0)
stq s4, JB_S4*8(a0)
stq s5, JB_S5*8(a0)
+#ifdef PTR_MANGLE
+ PTR_MANGLE(t1, ra, t0)
+ stq t1, JB_PC*8(a0)
+#else
stq ra, JB_PC*8(a0)
- addq sp, 16, t0
+#endif
+#if defined(PTR_MANGLE) && FRAME == 0
+ PTR_MANGLE2(t1, sp, t0)
+#else
+ addq sp, FRAME, t1
+# ifdef PTR_MANGLE
+ PTR_MANGLE2(t1, t1, t0)
+# endif
+#endif
+ stq t1, JB_SP*8(a0)
+#ifdef PTR_MANGLE
+ PTR_MANGLE2(t1, fp, t0)
+ stq t1, JB_FP*8(a0)
+#else
stq fp, JB_FP*8(a0)
- stq t0, JB_SP*8(a0)
+#endif
stt $f2, JB_F2*8(a0)
stt $f3, JB_F3*8(a0)
stt $f4, JB_F4*8(a0)
@@ -60,12 +81,20 @@ $sigsetjmp_local:
stt $f8, JB_F8*8(a0)
stt $f9, JB_F9*8(a0)
+#ifndef PIC
/* Call to C to (potentially) save our signal mask. */
jsr ra, __sigjmp_save
-
ldq ra, 0(sp)
addq sp, 16, sp
ret
+#elif defined NOT_IN_libc && defined IS_IN_rtld
+ /* In ld.so we never save the signal mask. */
+ mov 0, v0
+ ret
+#else
+ /* Tailcall to save the signal mask. */
+ br $31, __sigjmp_save !samegp
+#endif
END(__sigsetjmp)