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+24)(%esp)
#define SYSNO	ARG(-2)

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

	movl	SYSNO,%eax
	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	niro	532	/*
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	niro	815	#define ARG(n) (4*n+24)(%esp)
13			#define SYSNO ARG(-2)
14	niro	532
15			.text
16			.align 4
17			.globl __syscall_varadic
18			.type __syscall_varadic,@function
19			__syscall_varadic:
20			pushl %ebx
21			pushl %esi
22			pushl %edi
23			pushl %ebp
24
25	niro	815	movl SYSNO,%eax
26	niro	532	movl ARG(0),%ebx # Syscall arguments
27			movl ARG(1),%ecx
28			movl ARG(2),%edx
29			movl ARG(3),%esi
30			movl ARG(4),%edi
31			movl ARG(5),%ebp
32
33			jmp __syscall_common_tail
34
35			.size __syscall_varadic,.-__syscall_varadic
36
37			#endif