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| author | Stephen Boyd <sboyd@codeaurora.org> | 2015-09-15 02:11:30 +0300 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2015-10-03 18:36:45 +0300 |
| commit | 6f56a68d0bed16c13e9ec958cd28acbc2991d495 (patch) | |
| tree | bc754df52c9ca7f0d7bcf4aec51cbb475847931d /arch/arm/lib | |
| parent | b97b272e72ae07a04a664685c876439215bdeb74 (diff) | |
| download | linux-6f56a68d0bed16c13e9ec958cd28acbc2991d495.tar.xz | |
ARM: 8438/1: Add unwinding to __clear_user_std()
Add unwinding annotations so that unwinding from this function
works properly.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/lib')
| -rw-r--r-- | arch/arm/lib/clear_user.S | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/lib/clear_user.S b/arch/arm/lib/clear_user.S index 970d6c043774..e936352ccb00 100644 --- a/arch/arm/lib/clear_user.S +++ b/arch/arm/lib/clear_user.S @@ -9,6 +9,7 @@ */ #include <linux/linkage.h> #include <asm/assembler.h> +#include <asm/unwind.h> .text @@ -20,6 +21,8 @@ */ ENTRY(__clear_user_std) WEAK(arm_clear_user) +UNWIND(.fnstart) +UNWIND(.save {r1, lr}) stmfd sp!, {r1, lr} mov r2, #0 cmp r1, #4 @@ -44,6 +47,7 @@ WEAK(arm_clear_user) USER( strnebt r2, [r0]) mov r0, #0 ldmfd sp!, {r1, pc} +UNWIND(.fnend) ENDPROC(arm_clear_user) ENDPROC(__clear_user_std) |