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ARC: Fix pt_orig_r8 access

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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>
This commit is contained in:
Vineet Gupta 2013-02-11 14:40:55 +05:30
parent 7f85e5ec0d
commit 3eb3e7dd53
1 changed files with 2 additions and 2 deletions
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4
arch/arc/kernel/entry.S
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@ -496,7 +496,7 @@ tracesys_exit:
trap_with_param: trap_with_param:
; stop_pc info by gdb needs this info ; 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 mov r0, r12
lr r1, [efa] lr r1, [efa]
@ -721,7 +721,7 @@ not_exception:
; things to what they were, before returning from L2 context ; 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 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) ld r9, [sp, PT_status32] ; get statu32_l2 (saved in pt_regs)