[deliverable/linux.git] / tools / testing / selftests / x86 / raw_syscall_helper_32.S

.global sys32_helper
sys32_helper:
	/* Args: syscall_args_32*, function pointer */
	pushl	%ebp
	pushl	%ebx
	pushl	%esi
	pushl	%edi
	movl	5*4(%esp), %eax	/* pointer to args struct */

	movl	1*4(%eax), %ebx
	movl	2*4(%eax), %ecx
	movl	3*4(%eax), %edx
	movl	4*4(%eax), %esi
	movl	5*4(%eax), %edi
	movl	6*4(%eax), %ebp
	movl	0*4(%eax), %eax

	call	*(6*4)(%esp)	/* Do the syscall */

	/* Now we need to recover without losing any reg values */
	pushl	%eax
	movl	6*4(%esp), %eax
	popl	0*4(%eax)
	movl	%ebx, 1*4(%eax)
	movl	%ecx, 2*4(%eax)
	movl	%edx, 3*4(%eax)
	movl	%esi, 4*4(%eax)
	movl	%edi, 5*4(%eax)
	movl	%ebp, 6*4(%eax)

	popl	%edi
	popl	%esi
	popl	%ebx
	popl	%ebp
	ret

	.type sys32_helper, @function
	.size sys32_helper, .-sys32_helper

.global int80_and_ret
int80_and_ret:
	int	$0x80
	ret

	.type int80_and_ret, @function
	.size int80_and_ret, .-int80_and_ret
Commit	Line	Data
04235c00 AL	1	.global sys32_helper
	2	sys32_helper:
	3	/* Args: syscall_args_32, function pointer /
	4	pushl %ebp
	5	pushl %ebx
	6	pushl %esi
	7	pushl %edi
	8	movl 54(%esp), %eax / pointer to args struct */
	9
	10	movl 1*4(%eax), %ebx
	11	movl 2*4(%eax), %ecx
	12	movl 3*4(%eax), %edx
	13	movl 4*4(%eax), %esi
	14	movl 5*4(%eax), %edi
	15	movl 6*4(%eax), %ebp
	16	movl 0*4(%eax), %eax
	17
	18	call (64)(%esp) /* Do the syscall */
	19
	20	/* Now we need to recover without losing any reg values */
	21	pushl %eax
	22	movl 6*4(%esp), %eax
	23	popl 0*4(%eax)
	24	movl %ebx, 1*4(%eax)
	25	movl %ecx, 2*4(%eax)
	26	movl %edx, 3*4(%eax)
	27	movl %esi, 4*4(%eax)
	28	movl %edi, 5*4(%eax)
	29	movl %ebp, 6*4(%eax)
	30
	31	popl %edi
	32	popl %esi
	33	popl %ebx
	34	popl %ebp
	35	ret
	36
	37	.type sys32_helper, @function
	38	.size sys32_helper, .-sys32_helper
	39
	40	.global int80_and_ret
	41	int80_and_ret:
	42	int $0x80
	43	ret
	44
	45	.type int80_and_ret, @function
	46	.size int80_and_ret, .-int80_and_ret