1 /* $FreeBSD: src/sys/amd64/linux32/linux32_locore.s,v 1.3 2008/09/07 16:39:21 kib Exp $ */
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
11 NON_GPROF_ENTRY(linux_sigcode)
12 call *LINUX_SIGF_HANDLER(%esp)
13 leal LINUX_SIGF_SC(%esp),%ebx /* linux scp */
14 movl LINUX_SC_ES(%ebx),%es
15 movl 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 */
20 0: jmp 0b
21 ALIGN_TEXT
22 /* XXXXX */
23 linux_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 movl LINUX_SC_ES(%ecx),%es
28 movl 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 */
32 0: jmp 0b
33 ALIGN_TEXT
34 /* XXXXX */
35 linux_esigcode:
36
37 .data
38 .globl linux_szsigcode, linux_sznonrtsigcode
39 linux_szsigcode:
40 .long linux_esigcode-linux_sigcode
41 linux_sznonrtsigcode:
42 .long linux_rt_sigcode-linux_sigcode
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