glibc/sysdeps/mach/alpha/sysdep.h
2001-07-06 04:56:23 +00:00

42 lines
1.6 KiB
C

/* Copyright (C) 1994, 1997 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#define MOVE(x,y) mov x, y
#define LOSE asm volatile ("call_pal 0") /* halt */
#define START_MACHDEP \
asm ("_start: mov $30, $16\n" /* Put initial SP in a0. */ \
" br $27, 1f\n" /* Load GP from PC. */ \
"1: ldgp $29, 0($27)\n" \
" jmp $26, _start0"); /* Jump to _start0; don't return. */
#define START_ARGS char **sparg
#define SNARF_ARGS(argc, argv, envp) \
(envp = &(argv = &sparg[1])[(argc = *(int *) sparg) + 1])
#define CALL_WITH_SP(fn, sp) \
({ register long int __fn = (long int) fn, __sp = (long int) sp; \
asm volatile ("mov %0,$30; jmp $31, (%1); ldgp $29, 0(%1)" \
: : "r" (__sp), "r" (__fn)); })
#define ENTRY(name) LEAF(name, ***loser no arg count***)
#define STACK_GROWTH_DOWN
#include <sysdeps/mach/sysdep.h>