diff options
| author | Miod Vallat <miod@cvs.openbsd.org> | 2013-03-02 22:42:49 +0000 |
|---|---|---|
| committer | Miod Vallat <miod@cvs.openbsd.org> | 2013-03-02 22:42:49 +0000 |
| commit | fafed17abb04ac4166992b1820bc019661a516a3 (patch) | |
| tree | 004975326ecb07bff11dad0dcaa53850b4880cac /sys | |
| parent | 86be03ec1875f740187b61bb39b4d2d6df39d522 (diff) | |
Prefer a pc-relative relocation to mcount(); gets rid of the last TEXTREL
relocation in libc.so. From NetBSD.
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/sh/include/profile.h | 71 |
1 files changed, 35 insertions, 36 deletions
diff --git a/sys/arch/sh/include/profile.h b/sys/arch/sh/include/profile.h index d2cdaa96790..97c0dae63bf 100644 --- a/sys/arch/sh/include/profile.h +++ b/sys/arch/sh/include/profile.h @@ -1,5 +1,5 @@ -/* $OpenBSD: profile.h,v 1.1 2006/10/06 21:02:55 miod Exp $ */ -/* $NetBSD: profile.h,v 1.4 2002/04/28 17:10:36 uch Exp $ */ +/* $OpenBSD: profile.h,v 1.2 2013/03/02 22:42:48 miod Exp $ */ +/* $NetBSD: profile.h,v 1.5 2006/10/26 23:54:28 uwe Exp $ */ /*- * Copyright (c) 2000 Tsubai Masanari. All rights reserved. @@ -33,40 +33,39 @@ #define _MCOUNT_DECL static void mcount #endif -#define MCOUNT __asm (" \n\ - .text \n\ - .align 2 \n\ - .globl __mcount \n\ -__mcount: \n\ - mov.l r0,@-r15 \n\ - mov.l r4,@-r15 \n\ - mov.l r5,@-r15 \n\ - mov.l r6,@-r15 \n\ - mov.l r7,@-r15 \n\ - mov.l r14,@-r15 \n\ - sts.l pr,@-r15 \n\ - mov r15,r14 \n\ - \n\ - mov.l 1f,r1 ! _mcount \n\ - sts pr,r4 ! frompc \n\ - mov r0,r5 ! selfpc \n\ - jsr @r1 \n\ - nop \n\ - \n\ - mov r14,r15 \n\ - lds.l @r15+,pr \n\ - mov.l @r15+,r14 \n\ - mov.l @r15+,r7 \n\ - mov.l @r15+,r6 \n\ - mov.l @r15+,r5 \n\ - mov.l @r15+,r4 \n\ - mov.l @r15+,r0 \n\ - \n\ - jmp @r0 ! return \n\ - nop \n\ - \n\ - .align 2 \n\ -1: .long _mcount "); +#define MCOUNT __asm (" \n\ + .text \n\ + .align 2 \n\ + .globl __mcount \n\ +__mcount: \n\ + mov.l r4, @-r15 \n\ + mov.l r5, @-r15 \n\ + mov.l r6, @-r15 \n\ + mov.l r7, @-r15 \n\ + mov.l r0, @-r15 \n\ + mov.l r14, @-r15 \n\ + sts.l pr, @-r15 \n\ + mov r15, r14 \n\ + \n\ + mov.l 1f, r1 ! _mcount \n\ + sts pr, r4 ! frompc \n\ +0: bsrf r1 \n\ + mov r0, r5 ! selfpc \n\ + \n\ + mov r14, r15 \n\ + lds.l @r15+, pr \n\ + mov.l @r15+, r14 \n\ + mov.l @r15+, r0 \n\ + mov.l @r15+, r7 \n\ + mov.l @r15+, r6 \n\ + mov.l @r15+, r5 \n\ + jmp @r0 ! real function \n\ + mov.l @r15+, r4 \n\ + \n\ + .align 2 \n\ +1: .long _mcount - ((0b) + 4) \n\ + \n\ + .size __mcount, . - __mcount "); #ifdef _KERNEL #define MCOUNT_ENTER s = splhigh() |