glibc/sysdeps/mach/powerpc/sysdep.h
2012-02-09 23:18:22 +00:00

51 lines
1.8 KiB
C

/* system call details for Mach on PowerPC
Copyright (C) 2001,02 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; see the file COPYING.LIB. If
not, see <http://www.gnu.org/licenses/>. */
#ifndef _MACH_POWERPC_SYSDEP_H
#define _MACH_POWERPC_SYSDEP_H
#define START_ARGS char **sparg
#define SNARF_ARGS(argc, argv, envp) \
do { \
argv = &sparg[1]; \
argc = *(int *)sparg; \
envp = &argv[argc + 1]; \
} while (0)
#define CALL_WITH_SP(fn, sp) \
do { \
register long __sp = (long) sp, __fn = (long) fn; \
asm volatile ("mr 1, %0; mtlr %1; blr" \
: : "r" (__sp), "r" (__fn)); \
} while (0)
#define STACK_GROWTH_DOWN
#define RETURN_TO(sp, pc, retval) \
asm volatile ("mr 1, %0; mtctr %1; mr 3, %2; bctr" \
: : "r" (sp), "r" (pc), "r" (retval))
/* Get the machine-independent Mach definitions. */
#define _MACH_MACHINE_ASM_H 1 /* Kludge to avoid bad Darwin header file. */
#include <sysdeps/mach/sysdep.h>
#undef ENTRY
#include <sysdeps/unix/powerpc/sysdep.h>
#endif /* _MACH_POWERPC_SYSDEP_H */