VFS messaging/interfacing work stage 1/99. This stage replaces the old
[dragonfly.git] / sys / emulation / linux / i386 / linux_locore.s
1 /* $FreeBSD: src/sys/i386/linux/linux_locore.s,v 1.5.2.3 2001/11/05 19:08:23 marcel Exp $ */
2 /* $DragonFly: src/sys/emulation/linux/i386/linux_locore.s,v 1.3 2003/08/07 21:17:18 dillon Exp $ */
3
4 #include "linux_assym.h"                        /* system definitions */
5 #include <machine/asmacros.h>                   /* miscellaneous asm macros */
6 #include "linux_syscall.h"                      /* system call numbers */
7
8 NON_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 */
16 0:      jmp     0b
17         ALIGN_TEXT
18 /* XXXXX */
19 linux_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 */
26 0:      jmp     0b
27         ALIGN_TEXT
28 /* XXXXX */
29 linux_esigcode:
30
31         .data
32         .globl  linux_szsigcode, linux_sznonrtsigcode
33 linux_szsigcode:
34         .long   linux_esigcode-linux_sigcode
35 linux_sznonrtsigcode:
36         .long   linux_rt_sigcode-linux_sigcode