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/* Copyright (C) 1991-2023 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
<https://www.gnu.org/licenses/>. */
#ifndef _MACH_X86_SYSDEP_H
#define _MACH_X86_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 STACK_GROWTH_DOWN
/* Get the machine-independent Mach definitions. */
#include <sysdeps/mach/sysdep.h>
#undef ENTRY
#undef ALIGN
#ifdef __x86_64__
#define RETURN_TO(sp, pc, retval) \
asm volatile ("movq %0, %%rsp; jmp %*%1 # %2" \
: : "g" (sp), "r" (pc), "a" (retval))
/* This should be rearranged, but at the moment this file provides
the most useful definitions for assembler syntax details. */
#include <sysdeps/unix/x86_64/sysdep.h>
#else
#define RETURN_TO(sp, pc, retval) \
asm volatile ("movl %0, %%esp; jmp %*%1 # %2" \
: : "g" (sp), "r" (pc), "a" (retval))
#include <sysdeps/unix/i386/sysdep.h>
#endif
#endif /* mach/x86/sysdep.h */
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