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Don't hardcode offset in assembler. This ensures the return value in the

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context is the correct value (0) on earm*
This commit is contained in:
skrll 2013-04-30 15:59:34 +00:00
parent 6601e4ea9f
commit 3e638bdccb
1 changed files with 4 additions and 4 deletions
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8
lib/libc/arch/arm/sys/getcontext.S
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@ -1,4 +1,4 @@
/* $NetBSD: getcontext.S,v 1.6 2008/04/28 20:22:55 martin Exp $ */
/* $NetBSD: getcontext.S,v 1.7 2013/04/30 15:59:34 skrll Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
@ -32,7 +32,7 @@
#include "SYS.h"
#if defined(SYSLIBC_SCCS) && !defined(lint)
RCSID("$NetBSD: getcontext.S,v 1.6 2008/04/28 20:22:55 martin Exp $")
RCSID("$NetBSD: getcontext.S,v 1.7 2013/04/30 15:59:34 skrll Exp $")
#endif /* SYSLIBC_SCCS && !lint */
#ifdef WEAK_ALIAS
@ -43,12 +43,12 @@ ENTRY(_getcontext)
mov r2, r0 /* Must save argument pointer. */
SYSTRAP (getcontext)
bcs PIC_SYM(CERROR, PLT)
str lr, [r2, #(36 + 15*4)] /* Adjust PC. */
str lr, [r2, #_UC_REGS_PC] /* Adjust PC. */
#ifdef SOFTFLOAT
/* Ahem. */
/* Judging from the softfloat code we should at least save
the exception codes and rounding mode here. */
#endif
mov r0, #0
str r0, [r2, #(36 + 0*4)] /* Return 0. */
str r0, [r2, #_UC_REGS_R0] /* Return 0. */
RET