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authorVineet Gupta <vgupta@synopsys.com>2013-02-11 10:10:55 +0100
committerVineet Gupta <vgupta@synopsys.com>2013-02-15 18:46:21 +0100
commit3eb3e7dd53a83cbe6e7b95aa87d2c5dc861233a6 (patch)
treef89a94aef668dc41e854b358c863a7a4f9443158
parentARC: [3.9] Fallout of hlist iterator update (diff)
downloadlinux-3eb3e7dd53a83cbe6e7b95aa87d2c5dc861233a6.tar.xz
linux-3eb3e7dd53a83cbe6e7b95aa87d2c5dc861233a6.zip
ARC: Fix pt_orig_r8 access
Syscall restarting fixes made pt_regs->orig_r8 a short word, which was not reflected in the assembler code - thus could potentially break gdb debugging. Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
-rw-r--r--arch/arc/kernel/entry.S4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arc/kernel/entry.S b/arch/arc/kernel/entry.S
index 3f628ca9b71a..ef6800ba2f03 100644
--- a/arch/arc/kernel/entry.S
+++ b/arch/arc/kernel/entry.S
@@ -496,7 +496,7 @@ tracesys_exit:
trap_with_param:
; stop_pc info by gdb needs this info
- st orig_r8_IS_BRKPT, [sp, PT_orig_r8]
+ stw orig_r8_IS_BRKPT, [sp, PT_orig_r8]
mov r0, r12
lr r1, [efa]
@@ -721,7 +721,7 @@ not_exception:
; things to what they were, before returning from L2 context
;----------------------------------------------------------------
- ld r9, [sp, PT_orig_r8] ; get orig_r8 to make sure it is
+ ldw r9, [sp, PT_orig_r8] ; get orig_r8 to make sure it is
brne r9, orig_r8_IS_IRQ2, 149f ; infact a L2 ISR ret path
ld r9, [sp, PT_status32] ; get statu32_l2 (saved in pt_regs)