diff options
| author | Vineet Gupta <vgupta@synopsys.com> | 2013-02-11 04:10:55 -0500 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2013-02-15 12:46:21 -0500 |
| commit | 3eb3e7dd53a83cbe6e7b95aa87d2c5dc861233a6 (patch) | |
| tree | f89a94aef668dc41e854b358c863a7a4f9443158 | |
| parent | 7f85e5ec0d451e4a12037dcd6936f2d7494b2c6c (diff) | |
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.S | 4 |
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: | |||
| 496 | trap_with_param: | 496 | trap_with_param: |
| 497 | 497 | ||
| 498 | ; stop_pc info by gdb needs this info | 498 | ; stop_pc info by gdb needs this info |
| 499 | st orig_r8_IS_BRKPT, [sp, PT_orig_r8] | 499 | stw orig_r8_IS_BRKPT, [sp, PT_orig_r8] |
| 500 | 500 | ||
| 501 | mov r0, r12 | 501 | mov r0, r12 |
| 502 | lr r1, [efa] | 502 | lr r1, [efa] |
| @@ -721,7 +721,7 @@ not_exception: | |||
| 721 | ; things to what they were, before returning from L2 context | 721 | ; things to what they were, before returning from L2 context |
| 722 | ;---------------------------------------------------------------- | 722 | ;---------------------------------------------------------------- |
| 723 | 723 | ||
| 724 | ld r9, [sp, PT_orig_r8] ; get orig_r8 to make sure it is | 724 | ldw r9, [sp, PT_orig_r8] ; get orig_r8 to make sure it is |
| 725 | brne r9, orig_r8_IS_IRQ2, 149f ; infact a L2 ISR ret path | 725 | brne r9, orig_r8_IS_IRQ2, 149f ; infact a L2 ISR ret path |
| 726 | 726 | ||
| 727 | ld r9, [sp, PT_status32] ; get statu32_l2 (saved in pt_regs) | 727 | ld r9, [sp, PT_status32] ; get statu32_l2 (saved in pt_regs) |