svr4_locore.s revision 52140 
1#include "svr4_assym.h"			/* system definitions */
2#include <machine/asmacros.h>		/* miscellaneous asm macros */
3
4#include <svr4/svr4_syscall.h>		/* system call numbers */
5
6/* $FreeBSD: head/sys/i386/svr4/svr4_locore.s 52140 1999-10-11 20:33:17Z luoqi $ */
7
8NON_GPROF_ENTRY(svr4_sigcode)
9	call	SVR4_SIGF_HANDLER(%esp)
10	leal	SVR4_SIGF_UC(%esp),%eax	# ucp (the call may have clobbered the
11					# copy at SIGF_UCP(%esp))
12#ifdef VM86
13	testl	$PSL_VM,SVR4_UC_EFLAGS(%eax)
14	jnz	1f
15#endif
16	movl	SVR4_UC_GS(%eax),%gs
171:	pushl	%eax			# pointer to ucontext
18	pushl	$1			# set context
19	movl	$_svr4_sys_context,%eax
20	int	$0x80	 		# enter kernel with args on stack
210:	jmp	0b
22
23	ALIGN_TEXT
24svr4_esigcode:
25
26	.data
27	.globl	_svr4_szsigcode
28_svr4_szsigcode:
29	.long	svr4_esigcode - _svr4_sigcode
30
31	.text
32
33