mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-01 17:30:07 +00:00
56 lines
2.0 KiB
C
56 lines
2.0 KiB
C
/* Copyright (C) 1991, 1992, 1993, 1995 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., 675 Mass Ave,
|
|
Cambridge, MA 02139, USA. */
|
|
|
|
#include <sysdeps/unix/sysdep.h>
|
|
|
|
#ifdef ASSEMBLER
|
|
|
|
#define ENTRY(name) \
|
|
.globl C_SYMBOL_NAME(name); \
|
|
.align 4; \
|
|
C_LABEL(name)
|
|
|
|
#ifdef NO_UNDERSCORES
|
|
/* Since C identifiers are not normally prefixed with an underscore
|
|
on this system, the asm identifier `syscall_error' intrudes on the
|
|
C name space. Make sure we use an innocuous name. */
|
|
#define syscall_error __syscall_error
|
|
#endif
|
|
|
|
#define PSEUDO(name, syscall_name, args) \
|
|
.globl syscall_error; \
|
|
ENTRY (name) \
|
|
DO_CALL (syscall_name, args); \
|
|
jb syscall_error
|
|
|
|
/* This is defined as a separate macro so that other sysdep.h files
|
|
can include this one and then redefine DO_CALL. */
|
|
|
|
#define DO_CALL(syscall_name, args) \
|
|
lea SYS_ify (syscall_name), %eax; \
|
|
/* lcall $7, $0; */ \
|
|
/* Above loses; GAS bug. */ \
|
|
.byte 0x9a, 0, 0, 0, 0, 7, 0
|
|
|
|
#define r0 %eax /* Normal return-value register. */
|
|
#define r1 %edx /* Secondary return-value register. */
|
|
#define scratch %ecx /* Call-clobbered register for random use. */
|
|
#define MOVE(x,y) movl x, y
|
|
|
|
#endif /* ASSEMBLER */
|