Initial import from FreeBSD RELENG_4:
[dragonfly.git] / sys / emulation / linux / i386 / linux_locore.s
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MD
1/* $FreeBSD: src/sys/i386/linux/linux_locore.s,v 1.5.2.3 2001/11/05 19:08:23 marcel Exp $ */
2
3#include "linux_assym.h" /* system definitions */
4#include <machine/asmacros.h> /* miscellaneous asm macros */
5
6#include <i386/linux/linux_syscall.h> /* system call numbers */
7
8NON_GPROF_ENTRY(linux_sigcode)
9 call *LINUX_SIGF_HANDLER(%esp)
10 leal LINUX_SIGF_SC(%esp),%ebx /* linux scp */
11 movl LINUX_SC_GS(%ebx),%gs
12 movl %esp, %ebx /* pass sigframe */
13 push %eax /* fake ret addr */
14 movl $LINUX_SYS_linux_sigreturn,%eax /* linux_sigreturn() */
15 int $0x80 /* enter kernel with args */
160: jmp 0b
17 ALIGN_TEXT
18/* XXXXX */
19linux_rt_sigcode:
20 call *LINUX_RT_SIGF_HANDLER(%esp)
21 leal LINUX_RT_SIGF_UC(%esp),%ebx /* linux ucp */
22 movl LINUX_SC_GS(%ebx),%gs
23 push %eax /* fake ret addr */
24 movl $LINUX_SYS_linux_rt_sigreturn,%eax /* linux_rt_sigreturn() */
25 int $0x80 /* enter kernel with args */
260: jmp 0b
27 ALIGN_TEXT
28/* XXXXX */
29linux_esigcode:
30
31 .data
32 .globl linux_szsigcode, linux_sznonrtsigcode
33linux_szsigcode:
34 .long linux_esigcode-linux_sigcode
35linux_sznonrtsigcode:
36 .long linux_rt_sigcode-linux_sigcode