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authorH. Peter Anvin <hpa@zytor.com>2012-04-20 21:19:50 +0200
committerH. Peter Anvin <hpa@zytor.com>2012-04-20 22:51:38 +0200
commit1ce6f86815a392acce2b45512106b525dc994cc0 (patch)
tree2d935c08dea6fa352b8c45ff0c4aa7b580334028
parentx86, extable: Use .pushsection ... .popsection for _ASM_EXTABLE() (diff)
downloadlinux-1ce6f86815a392acce2b45512106b525dc994cc0.tar.xz
linux-1ce6f86815a392acce2b45512106b525dc994cc0.zip
x86, extable: Remove open-coded exception table entries in arch/x86/ia32/ia32entry.S
Remove open-coded exception table entries in arch/x86/ia32/ia32entry.S, and replace them with _ASM_EXTABLE() macros; this will allow us to change the format and type of the exception table entries. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Cc: David Daney <david.daney@cavium.com> Link: http://lkml.kernel.org/r/CA%2B55aFyijf43qSu3N9nWHEBwaGbb7T2Oq9A=9EyR=Jtyqfq_cQ@mail.gmail.com
-rw-r--r--arch/x86/ia32/ia32entry.S5
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S
index e3e734005e19..eb48edd0cad2 100644
--- a/arch/x86/ia32/ia32entry.S
+++ b/arch/x86/ia32/ia32entry.S
@@ -13,6 +13,7 @@
#include <asm/thread_info.h>
#include <asm/segment.h>
#include <asm/irqflags.h>
+#include <asm/asm.h>
#include <linux/linkage.h>
#include <linux/err.h>
@@ -146,9 +147,7 @@ ENTRY(ia32_sysenter_target)
/* no need to do an access_ok check here because rbp has been
32bit zero extended */
1: movl (%rbp),%ebp
- .section __ex_table,"a"
- .quad 1b,ia32_badarg
- .previous
+ _ASM_EXTABLE(1b,ia32_badarg)
orl $TS_COMPAT,TI_status+THREAD_INFO(%rsp,RIP-ARGOFFSET)
testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
CFI_REMEMBER_STATE