diff options
Diffstat (limited to 'sysdeps/mach/mips/sysdep.h')
| -rw-r--r-- | sysdeps/mach/mips/sysdep.h | 58 |
1 files changed, 36 insertions, 22 deletions
diff --git a/sysdeps/mach/mips/sysdep.h b/sysdeps/mach/mips/sysdep.h index 7609be5931..a4e6dff148 100644 --- a/sysdeps/mach/mips/sysdep.h +++ b/sysdeps/mach/mips/sysdep.h @@ -1,35 +1,40 @@ -/* Copyright (C) 1991, 1992, 1993, 1994 Free Software Foundation, Inc. -This file is part of the GNU C Library. +/* Copyright (C) 1996, 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 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 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. + 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. */ + 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., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ -#define MOVE(x,y) move y , x - -#if 0 #define LOSE asm volatile ("1: b 1b") -#endif +#define START_MACHDEP asm ("\ + .text\n\ + .globl _start\n\ + .ent _start\n\ +_start:\n\ + # Put initial SP in a0.\n\ + move $4, $29\n\ + # Jump to _start0; don't return.\n\ + j _start0\n\ + .end _start\n\ +"); +#define START_ARGS int *entry_sp #define SNARF_ARGS(argc, argv, envp) \ do \ { \ - int *entry_sp; \ register char **p; \ \ - asm ("addu %0,$30,4" : "=r" (entry_sp)); \ - \ argc = *entry_sp; \ argv = (char **) (entry_sp + 1); \ p = argv; \ @@ -44,11 +49,20 @@ Cambridge, MA 02139, USA. */ ({ register int __fn = fn, __sp = (int) sp; \ asm volatile ("move $sp,%0; j %1" : : "r" (__sp), "r" (__fn));}) +#define RETURN_TO(sp, pc, retval) \ + asm volatile ("move $29, %0; move $2, %2; move $25, %1; jr $25" \ + : : "r" (sp), "r" (pc), "r" (retval)) + #define STACK_GROWTH_DOWN -#ifdef P40 #include <syscall.h> +#if defined (ASSEMBLER) + +#define ALIGN 2 + +#define MOVE(x,y) move y , x + #define SYSCALL(name, args) \ .globl syscall_error; \ kernel_trap(name,SYS_##name,args); \ |