arch/i386/varsyscall.S

/*
 * arch/i386/varsyscall.S
 *
 * Common tail-handling code for varadic system calls (which always
 * use the cdecl convention.)
 *
 * The arguments are on the stack; the system call number in %eax.
 */

#ifdef	_REGPARM

#define ARG(n)	(4*n+20)(%esp)

	.text
	.align	4
	.globl	__syscall_varadic
	.type	__syscall_varadic,@function
__syscall_varadic:
	popl	%eax
	pushl	%ebx
	pushl	%esi
	pushl	%edi
	pushl	%ebp

	movl	ARG(0),%ebx		# Syscall arguments
	movl	ARG(1),%ecx
	movl	ARG(2),%edx
	movl	ARG(3),%esi
	movl	ARG(4),%edi
	movl	ARG(5),%ebp

	jmp	__syscall_common_tail

	.size	__syscall_varadic,.-__syscall_varadic

#endif
1	/*
2	* arch/i386/varsyscall.S
3	*
4	* Common tail-handling code for varadic system calls (which always
5	* use the cdecl convention.)
6	*
7	* The arguments are on the stack; the system call number in %eax.
8	*/
9
10	#ifdef _REGPARM
11
12	#define ARG(n) (4*n+20)(%esp)
13
14	.text
15	.align 4
16	.globl __syscall_varadic
17	.type __syscall_varadic,@function
18	__syscall_varadic:
19	popl %eax
20	pushl %ebx
21	pushl %esi
22	pushl %edi
23	pushl %ebp
24
25	movl ARG(0),%ebx # Syscall arguments
26	movl ARG(1),%ecx
27	movl ARG(2),%edx
28	movl ARG(3),%esi
29	movl ARG(4),%edi
30	movl ARG(5),%ebp
31
32	jmp __syscall_common_tail
33
34	.size __syscall_varadic,.-__syscall_varadic
35
36	#endif