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65 lines
2.0 KiB
C
65 lines
2.0 KiB
C
/* Copyright (C) 1991-2023 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#ifndef _MACH_X86_SYSDEP_H
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#define _MACH_X86_SYSDEP_H 1
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/* Defines RTLD_PRIVATE_ERRNO and USE_DL_SYSINFO. */
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#include <dl-sysdep.h>
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#include <tls.h>
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#define LOSE asm volatile ("hlt")
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#define SNARF_ARGS(entry_sp, argc, argv, envp) \
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do \
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{ \
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char **p; \
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argc = (int) *entry_sp; \
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argv = (char **) (entry_sp + 1); \
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p = argv; \
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while (*p++ != NULL) \
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; \
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if (p >= (char **) argv[0]) \
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--p; \
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envp = p; \
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} while (0)
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#define STACK_GROWTH_DOWN
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/* Get the machine-independent Mach definitions. */
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#include <sysdeps/mach/sysdep.h>
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#undef ENTRY
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#undef ALIGN
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#ifdef __x86_64__
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#define RETURN_TO(sp, pc, retval) \
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asm volatile ("movq %0, %%rsp; jmp %*%1 # %2" \
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: : "g" (sp), "r" (pc), "a" (retval))
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/* This should be rearranged, but at the moment this file provides
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the most useful definitions for assembler syntax details. */
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#include <sysdeps/unix/x86_64/sysdep.h>
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#else
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#define RETURN_TO(sp, pc, retval) \
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asm volatile ("movl %0, %%esp; jmp %*%1 # %2" \
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: : "g" (sp), "r" (pc), "a" (retval))
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#include <sysdeps/unix/i386/sysdep.h>
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#endif
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#endif /* mach/x86/sysdep.h */
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