[thirdparty/glibc.git] / sysdeps / unix / sysv / linux / i386 / syscall.S

/* Copyright (C) 1995, 1996, 1998 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public License as
   published by the Free Software Foundation; either version 2 of the
   License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the GNU C Library; see the file COPYING.LIB.  If not,
   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#include <sysdep.h>

/* Please consult the file sysdeps/unix/sysv/linux/i386/sysdep.h for
   more information about the value -4095 used below.*/

	.text
ENTRY (syscall)

	PUSHARGS_5		/* Save register contents.  */
	_DOARGS_5(36)		/* Load arguments.  */
	movl 16(%esp), %eax	/* Load syscall number into %eax.  */
	int $0x80		/* Do the system call.  */
	POPARGS_5		/* Restore register contents.  */
	cmpl $-4095, %eax	/* Check %eax for error.  */
	jae SYSCALL_ERROR_LABEL	/* Jump to error handler if error.  */
L(pseudo_end):
	ret			/* Return to caller.  */

PSEUDO_END (syscall)
Commit	Line	Data
8fb3e007	1	/* Copyright (C) 1995, 1996, 1998 Free Software Foundation, Inc.
b5791037	2	This file is part of the GNU C Library.
28f540f4	3
b5791037 UD	4	The GNU C Library is free software; you can redistribute it and/or
	5	modify it under the terms of the GNU Library General Public License as
	6	published by the Free Software Foundation; either version 2 of the
	7	License, or (at your option) any later version.
28f540f4	8
b5791037 UD	9	The GNU C Library is distributed in the hope that it will be useful,
	10	but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	12	Library General Public License for more details.
28f540f4	13
b5791037 UD	14	You should have received a copy of the GNU Library General Public
	15	License along with the GNU C Library; see the file COPYING.LIB. If not,
	16	write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
	17	Boston, MA 02111-1307, USA. */
28f540f4 RM	18
	19	#include <sysdep.h>
	20
cccda09f	21	/* Please consult the file sysdeps/unix/sysv/linux/i386/sysdep.h for
b5791037	22	more information about the value -4095 used below.*/
cccda09f	23
c14e4c32	24	.text
439d1d45	25	ENTRY (syscall)
6ed0492f	26
c14e4c32 RM	27	PUSHARGS_5 /* Save register contents. */
	28	_DOARGS_5(36) /* Load arguments. */
	29	movl 16(%esp), %eax /* Load syscall number into %eax. */
	30	int $0x80 /* Do the system call. */
	31	POPARGS_5 /* Restore register contents. */
b5791037	32	cmpl $-4095, %eax /* Check %eax for error. */
c0fb8a56	33	jae SYSCALL_ERROR_LABEL /* Jump to error handler if error. */
8fb3e007	34	L(pseudo_end):
439d1d45	35	ret /* Return to caller. */
6ed0492f UD	36
6ed0492f UD	37	PSEUDO_END (syscall)