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Diffstat (limited to 'sysdeps/mach/alpha/sysdep.h')
| -rw-r--r-- | sysdeps/mach/alpha/sysdep.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/sysdeps/mach/alpha/sysdep.h b/sysdeps/mach/alpha/sysdep.h new file mode 100644 index 0000000000..a32766270b --- /dev/null +++ b/sysdeps/mach/alpha/sysdep.h @@ -0,0 +1,41 @@ +/* Copyright (C) 1994 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 Library General Public License as +published by the Free Software Foundation; either version 2 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 +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, 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_next <sysdep.h> |