linux32_locore.s revision 187948
1/* $FreeBSD: head/sys/amd64/linux32/linux32_locore.s 187948 2009-01-31 11:37:21Z obrien $ */
2
3#include "linux32_assym.h"			/* system definitions */
4#include <machine/asmacros.h>			/* miscellaneous asm macros */
5
6#include <amd64/linux32/linux32_syscall.h>	/* system call numbers */
7
8.text
9.code32
10
11NON_GPROF_ENTRY(linux_sigcode)
12	call	*LINUX_SIGF_HANDLER(%esp)
13	leal	LINUX_SIGF_SC(%esp),%ebx	/* linux scp */
14	mov	LINUX_SC_ES(%ebx),%es
15	mov	LINUX_SC_DS(%ebx),%ds
16	movl	%esp, %ebx			/* pass sigframe */
17	push	%eax				/* fake ret addr */
18	movl	$LINUX_SYS_linux_sigreturn,%eax	/* linux_sigreturn() */
19	int	$0x80				/* enter kernel with args */
200:	jmp	0b
21	ALIGN_TEXT
22/* XXXXX */
23linux_rt_sigcode:
24	call	*LINUX_RT_SIGF_HANDLER(%esp)
25	leal	LINUX_RT_SIGF_UC(%esp),%ebx	/* linux ucp */
26	leal	LINUX_RT_SIGF_SC(%ebx),%ecx	/* linux sigcontext */
27	mov	LINUX_SC_ES(%ecx),%es
28	mov	LINUX_SC_DS(%ecx),%ds
29	push	%eax				/* fake ret addr */
30	movl	$LINUX_SYS_linux_rt_sigreturn,%eax   /* linux_rt_sigreturn() */
31	int	$0x80				/* enter kernel with args */
320:	jmp	0b
33	ALIGN_TEXT
34/* XXXXX */
35linux_esigcode:
36
37	.data
38	.globl	linux_szsigcode, linux_sznonrtsigcode
39linux_szsigcode:
40	.long	linux_esigcode-linux_sigcode
41linux_sznonrtsigcode:
42	.long	linux_rt_sigcode-linux_sigcode
43