mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-02 22:23:52 +08:00
70 lines
2.2 KiB
C
70 lines
2.2 KiB
C
/* Copyright (C) 1991-2013 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 Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#ifndef _MACH_I386_SYSDEP_H
|
|
#define _MACH_I386_SYSDEP_H 1
|
|
|
|
/* Defines RTLD_PRIVATE_ERRNO and USE_DL_SYSINFO. */
|
|
#include <dl-sysdep.h>
|
|
#include <tls.h>
|
|
|
|
#define LOSE asm volatile ("hlt")
|
|
|
|
#define SNARF_ARGS(entry_sp, argc, argv, envp) \
|
|
do \
|
|
{ \
|
|
char **p; \
|
|
argc = (int) *entry_sp; \
|
|
argv = (char **) (entry_sp + 1); \
|
|
p = argv; \
|
|
while (*p++ != NULL) \
|
|
; \
|
|
if (p >= (char **) argv[0]) \
|
|
--p; \
|
|
envp = p; \
|
|
} while (0)
|
|
|
|
#define CALL_WITH_SP(fn, info, sp) \
|
|
do { \
|
|
void **ptr = (void **) sp; \
|
|
*--(__typeof (info) *) ptr = info; \
|
|
ptr[-1] = ptr; \
|
|
--ptr; \
|
|
asm volatile ("movl %0, %%esp; call %1" : : \
|
|
"g" (ptr), "m" (*(long int *) (fn)) : "%esp"); \
|
|
} while (0)
|
|
|
|
#define RETURN_TO(sp, pc, retval) \
|
|
asm volatile ("movl %0, %%esp; jmp %*%1 # %2" \
|
|
: : "g" (sp), "r" (pc), "a" (retval))
|
|
|
|
|
|
#define STACK_GROWTH_DOWN
|
|
|
|
/* Get the machine-independent Mach definitions. */
|
|
#include <sysdeps/mach/sysdep.h>
|
|
|
|
|
|
/* This should be rearranged, but at the moment this file provides
|
|
the most useful definitions for assembler syntax details. */
|
|
#undef ENTRY
|
|
#undef ALIGN
|
|
#include <sysdeps/unix/i386/sysdep.h>
|
|
|
|
#endif /* mach/i386/sysdep.h */
|