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[src/trunk]: src/sys/arch/arm/include Don't use cfi ops in non EABI MCOUNT
details: https://anonhg.NetBSD.org/src/rev/99c091fa438c
branches: trunk
changeset: 789401:99c091fa438c
user: matt <matt%NetBSD.org@localhost>
date: Sun Aug 18 07:15:31 2013 +0000
description:
Don't use cfi ops in non EABI MCOUNT
diffstat:
sys/arch/arm/include/profile.h | 19 ++++---------------
1 files changed, 4 insertions(+), 15 deletions(-)
diffs (57 lines):
diff -r d516442d3865 -r 99c091fa438c sys/arch/arm/include/profile.h
--- a/sys/arch/arm/include/profile.h Sun Aug 18 07:01:45 2013 +0000
+++ b/sys/arch/arm/include/profile.h Sun Aug 18 07:15:31 2013 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: profile.h,v 1.10 2013/08/16 21:42:48 matt Exp $ */
+/* $NetBSD: profile.h,v 1.11 2013/08/18 07:15:31 matt Exp $ */
/*
* Copyright (c) 2001 Ben Harris
@@ -47,27 +47,18 @@
#define PLTSYM
#endif
-#if !defined(__thumb__) && !defined(__ARM_EABI__)
+#if !defined(__ARM_EABI__)
#define MCOUNT \
__asm(".text"); \
__asm(".align 0"); \
+ __asm(".arm"); \
__asm(".type " MCOUNT_ASM_NAME ",%function"); \
__asm(".global " MCOUNT_ASM_NAME); \
__asm(MCOUNT_ASM_NAME ":"); \
- __asm(".cfi_startproc"); \
- __asm(".fnstart"); \
/* \
* Preserve registers that are trashed during mcount \
*/ \
__asm("push {r0-r3, ip, lr}"); \
- __asm(".save {r0-r3, ip, lr}"); \
- __asm(".cfi_def_cfa_offset 24"); \
- __asm(".cfi_offset 14, -4"); \
- __asm(".cfi_offset 12, -8"); \
- __asm(".cfi_offset 3, -12"); \
- __asm(".cfi_offset 2, -16"); \
- __asm(".cfi_offset 1, -20"); \
- __asm(".cfi_offset 0, -24"); \
/* Check what mode we're in. EQ => 32, NE => 26 */ \
__asm("teq r0, r0"); \
__asm("teq pc, r15"); \
@@ -92,16 +83,14 @@
* Restore registers that were trashed during mcount \
*/ \
__asm("pop {r0-r3, pc}"); \
- __asm(".cfi_endproc"); \
- __asm(".fnend"); \
__asm(".size " MCOUNT_ASM_NAME ", .-" MCOUNT_ASM_NAME);
#else
#define MCOUNT \
__asm(".text"); \
__asm(".align 0"); \
+ __asm(".arm"); \
__asm(".type " MCOUNT_ASM_NAME ",%function"); \
__asm(".global " MCOUNT_ASM_NAME); \
- __asm(".arm"); \
__asm(MCOUNT_ASM_NAME ":"); \
__asm(".fnstart"); \
__asm(".cfi_startproc"); \
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