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Commit 3eb3e7dd authored by Vineet Gupta's avatar Vineet Gupta
Browse files

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: default avatarVineet Gupta <vgupta@synopsys.com>
parent 7f85e5ec

arch/arc/kernel/entry.S

+2 −2
Original line number Diff line number Diff line
@@ -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)