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/* Copyright (C) 1991-2025 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 STACK_GROWTH_DOWN
/* Get the machine-independent Mach definitions. */
#include <sysdeps/mach/sysdep.h>
#undef ENTRY
#undef ALIGN
#ifndef __ASSEMBLER__
void return_to_trampoline(intptr_t *sp, void *pc, intptr_t retval)
__attribute__((__noreturn__));
#endif
#define RETURN_TO return_to_trampoline
#ifdef __x86_64__
#define RETURN_TO_TRAMPOLINE() \
asm ("return_to_trampoline:\n" \
"movq %rdx, %rax\n" \
"movq %rdi, %rsp\n" \
"jmp *%rsi\n");
/* 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_TRAMPOLINE() \
asm ("return_to_trampoline:\n" \
"movl 12(%esp), %eax\n" \
"movl 8(%esp), %edx\n" \
"movl 4(%esp), %esp\n" \
"jmp *%edx\n");
#include <sysdeps/unix/i386/sysdep.h>
#endif
#endif /* mach/x86/sysdep.h */
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