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Commit 04a7052c authored by Ralf Baechle's avatar Ralf Baechle
Browse files

[MIPS] Fix register handling in syscalls when debugging. 


    
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent ecd5a739

arch/mips/kernel/scall32-o32.S

+3 −1
Original line number Diff line number Diff line
@@ -94,11 +94,13 @@ syscall_trace_entry: 
	li	a1, 0

	jal	do_syscall_trace



	move	t0, s0

	RESTORE_STATIC

	lw	a0, PT_R4(sp)		# Restore argument registers

	lw	a1, PT_R5(sp)

	lw	a2, PT_R6(sp)

	lw	a3, PT_R7(sp)

	jalr	s0

	jalr	t0



	li	t0, -EMAXERRNO - 1	# error?

	sltu	t0, t0, v0

arch/mips/kernel/scall64-64.S

+3 −1
Original line number Diff line number Diff line
@@ -93,13 +93,15 @@ syscall_trace_entry: 
	li	a1, 0

	jal	do_syscall_trace



	move	t0, s0

	RESTORE_STATIC

	ld	a0, PT_R4(sp)		# Restore argument registers

	ld	a1, PT_R5(sp)

	ld	a2, PT_R6(sp)

	ld	a3, PT_R7(sp)

	ld	a4, PT_R8(sp)

	ld	a5, PT_R9(sp)

	jalr	s0

	jalr	t0



	li	t0, -EMAXERRNO - 1	# error?

	sltu	t0, t0, v0

arch/mips/kernel/scall64-n32.S

+3 −1
Original line number Diff line number Diff line
@@ -90,13 +90,15 @@ n32_syscall_trace_entry: 
	li	a1, 0

	jal	do_syscall_trace



	move	t0, s0

	RESTORE_STATIC

	ld	a0, PT_R4(sp)		# Restore argument registers

	ld	a1, PT_R5(sp)

	ld	a2, PT_R6(sp)

	ld	a3, PT_R7(sp)

	ld	a4, PT_R8(sp)

	ld	a5, PT_R9(sp)

	jalr	s0

	jalr	t0



	li	t0, -EMAXERRNO - 1	# error?

	sltu	t0, t0, v0

arch/mips/kernel/scall64-o32.S

+3 −1
Original line number Diff line number Diff line
@@ -124,6 +124,8 @@ trace_a_syscall: 
	li	a1, 0

	jal	do_syscall_trace



	move	t0, s0

	RESTORE_STATIC

	ld	a0, PT_R4(sp)		# Restore argument registers

	ld	a1, PT_R5(sp)

	ld	a2, PT_R6(sp)
@@ -132,7 +134,7 @@ trace_a_syscall: 
	ld	a5, PT_R9(sp)

	ld	a6, PT_R10(sp)

	ld	a7, PT_R11(sp)		# For indirect syscalls

	jalr	s0

	jalr	t0



	li	t0, -EMAXERRNO - 1	# error?

	sltu	t0, t0, v0