linux32_locore.s revision 133819
1/* $FreeBSD: head/sys/amd64/linux32/linux32_locore.s 133819 2004-08-16 07:55:06Z tjr $ */
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	movl	LINUX_SC_GS(%ebx),%gs
15	movl	LINUX_SC_FS(%ebx),%fs
16	movl	LINUX_SC_ES(%ebx),%es
17	movl	LINUX_SC_DS(%ebx),%ds
18	movl	%esp, %ebx			/* pass sigframe */
19	push	%eax				/* fake ret addr */
20	movl	$LINUX_SYS_linux_sigreturn,%eax	/* linux_sigreturn() */
21	int	$0x80				/* enter kernel with args */
220:	jmp	0b
23	ALIGN_TEXT
24/* XXXXX */
25linux_rt_sigcode:
26	call	*LINUX_RT_SIGF_HANDLER(%esp)
27	leal	LINUX_RT_SIGF_UC(%esp),%ebx	/* linux ucp */
28	movl	LINUX_SC_GS(%ebx),%gs
29	movl	LINUX_SC_FS(%ebx),%fs
30	movl	LINUX_SC_ES(%ebx),%es
31	movl	LINUX_SC_DS(%ebx),%ds
32	push	%eax				/* fake ret addr */
33	movl	$LINUX_SYS_linux_rt_sigreturn,%eax   /* linux_rt_sigreturn() */
34	int	$0x80				/* enter kernel with args */
350:	jmp	0b
36	ALIGN_TEXT
37/* XXXXX */
38linux_esigcode:
39
40	.data
41	.globl	linux_szsigcode, linux_sznonrtsigcode
42linux_szsigcode:
43	.long	linux_esigcode-linux_sigcode
44linux_sznonrtsigcode:
45	.long	linux_rt_sigcode-linux_sigcode
46