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authorChung-Lin Tang <cltang@codesourcery.com>2012-05-28 00:06:57 +0200
committerThomas Schwinge <thomas@codesourcery.com>2012-05-28 00:11:06 +0200
commit65a4de4e06709264e7e06152cd88aaec1f03fd11 (patch)
tree85fadd93664635e1884e1b1ceaa7de63f17e0ab3 /sysdeps
parent47e452cf7c13529f168ff2a415107d1c8e9af9c2 (diff)
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SH: Add CFI directives.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/sh/_mcount.S11
-rw-r--r--sysdeps/unix/sh/sysdep.S13
-rw-r--r--sysdeps/unix/sysv/linux/sh/sh3/setcontext.S3
-rw-r--r--sysdeps/unix/sysv/linux/sh/sh3/swapcontext.S3
-rw-r--r--sysdeps/unix/sysv/linux/sh/sh4/setcontext.S1
-rw-r--r--sysdeps/unix/sysv/linux/sh/sh4/swapcontext.S1
6 files changed, 26 insertions, 6 deletions
diff --git a/sysdeps/sh/_mcount.S b/sysdeps/sh/_mcount.S
index 7956c01256..7e3d50e94e 100644
--- a/sysdeps/sh/_mcount.S
+++ b/sysdeps/sh/_mcount.S
@@ -1,5 +1,5 @@
/* Machine-specific calling sequence for `mcount' profiling function. SuperH
- Copyright (C) 2001, 2005 Free Software Foundation, Inc.
+ Copyright (C) 2001-2012 Free Software Foundation, Inc.
Contributed by NIIBE Yutaka <gniibe@m17n.org>
This file is part of the GNU C Library.
@@ -58,11 +58,20 @@ C_LABEL(_mcount)
/* Pop the saved registers. */
lds.l @r15+,pr
+ cfi_adjust_cfa_offset (-4)
+ cfi_restore (pr)
mov.l @r15+,r7
+ cfi_adjust_cfa_offset (-4)
+ cfi_restore (r7)
mov.l @r15+,r6
+ cfi_adjust_cfa_offset (-4)
+ cfi_restore (r6)
mov.l @r15+,r5
+ cfi_adjust_cfa_offset (-4)
+ cfi_restore (r5)
rts
mov.l @r15+,r4
+ /* Omit CFI for restore in delay slot. */
.align 2
#ifdef SHARED
diff --git a/sysdeps/unix/sh/sysdep.S b/sysdeps/unix/sh/sysdep.S
index e816575b03..f8025cc70c 100644
--- a/sysdeps/unix/sh/sysdep.S
+++ b/sysdeps/unix/sh/sysdep.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999, 2000, 2005 Free Software Foundation, Inc.
+/* Copyright (C) 1999-2012 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
@@ -41,13 +41,15 @@ skip:
sts.l pr, @-r15
cfi_adjust_cfa_offset (4)
cfi_rel_offset (pr, 0)
- jsr @r1
- mov.l r0, @-r15
+ mov.l r0, @-r15
cfi_adjust_cfa_offset (4)
+ jsr @r1
+ nop
mov.l @r15+, r1
cfi_adjust_cfa_offset (-4)
lds.l @r15+, pr
cfi_adjust_cfa_offset (-4)
+ cfi_restore (pr)
mov.l r1, @r0
#endif
#else
@@ -77,10 +79,15 @@ skip:
jsr @r1
nop
lds.l @r15+, pr
+ cfi_adjust_cfa_offset (-4)
+ cfi_restore (pr)
mov.l @r15+, r1
+ cfi_adjust_cfa_offset (-4)
mov.l r1, @r0
#endif
mov.l @r15+, r12
+ cfi_adjust_cfa_offset (-4)
+ cfi_restore (r12)
#endif
/* And just kick back a -1. */
rts
diff --git a/sysdeps/unix/sysv/linux/sh/sh3/setcontext.S b/sysdeps/unix/sysv/linux/sh/sh3/setcontext.S
index abe384ef6b..9d672f9203 100644
--- a/sysdeps/unix/sysv/linux/sh/sh3/setcontext.S
+++ b/sysdeps/unix/sysv/linux/sh/sh3/setcontext.S
@@ -1,5 +1,5 @@
/* Install given context.
- Copyright (C) 2005 Free Software Foundation, Inc.
+ Copyright (C) 2005-2012 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
@@ -90,6 +90,7 @@ ENTRY(__setcontext)
mov.l @(oR7,r0), r7
mov.l @(oR8,r0), r8
mov.l @r15+, r0
+ cfi_adjust_cfa_offset(-4)
jmp @r0
mov.l @r15+, r0
diff --git a/sysdeps/unix/sysv/linux/sh/sh3/swapcontext.S b/sysdeps/unix/sysv/linux/sh/sh3/swapcontext.S
index 92c476efe7..8227a139e8 100644
--- a/sysdeps/unix/sysv/linux/sh/sh3/swapcontext.S
+++ b/sysdeps/unix/sysv/linux/sh/sh3/swapcontext.S
@@ -1,5 +1,5 @@
/* Save current context and install the given one.
- Copyright (C) 2005 Free Software Foundation, Inc.
+ Copyright (C) 2005-2012 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
@@ -123,6 +123,7 @@ ENTRY(__swapcontext)
mov.l @(oR7,r0), r7
mov.l @(oR8,r0), r8
mov.l @r15+, r0
+ cfi_adjust_cfa_offset(-4)
jmp @r0
mov.l @r15+, r0
diff --git a/sysdeps/unix/sysv/linux/sh/sh4/setcontext.S b/sysdeps/unix/sysv/linux/sh/sh4/setcontext.S
index a3c0e21e56..161c51d45d 100644
--- a/sysdeps/unix/sysv/linux/sh/sh4/setcontext.S
+++ b/sysdeps/unix/sysv/linux/sh/sh4/setcontext.S
@@ -132,6 +132,7 @@ ENTRY(__setcontext)
mov.l @(oR7,r0), r7
mov.l @(oR8,r0), r8
mov.l @r15+, r0
+ cfi_adjust_cfa_offset(-4)
jmp @r0
mov.l @r15+, r0
diff --git a/sysdeps/unix/sysv/linux/sh/sh4/swapcontext.S b/sysdeps/unix/sysv/linux/sh/sh4/swapcontext.S
index 3ff7fe420c..24caae5b64 100644
--- a/sysdeps/unix/sysv/linux/sh/sh4/swapcontext.S
+++ b/sysdeps/unix/sysv/linux/sh/sh4/swapcontext.S
@@ -209,6 +209,7 @@ ENTRY(__swapcontext)
mov.l @(oR7,r0), r7
mov.l @(oR8,r0), r8
mov.l @r15+, r0
+ cfi_adjust_cfa_offset(-4)
jmp @r0
mov.l @r15+, r0