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- /* Copyright (C) 1991, 1992, 1993 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>
-
- #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
-