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Diffstat (limited to 'sysdeps/mach/mips/sysdep.h')
-rw-r--r-- | sysdeps/mach/mips/sysdep.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/sysdeps/mach/mips/sysdep.h b/sysdeps/mach/mips/sysdep.h new file mode 100644 index 0000000..8136f95 --- /dev/null +++ b/sysdeps/mach/mips/sysdep.h @@ -0,0 +1,83 @@ +/* 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 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 LOSE asm volatile ("1: b 1b") + +#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 \ + { \ + register char **p; \ + \ + argc = *entry_sp; \ + argv = (char **) (entry_sp + 1); \ + p = argv; \ + while (*p++ != NULL) \ + ; \ + if (p >= (char **) argv[0]) \ + --p; \ + envp = p; \ + } while (0) + +#define CALL_WITH_SP(fn, sp) \ + ({ 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 + +#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); \ + beq $1,$0,1f; \ + j syscall_error; \ +1: + +#define SYSCALL__(name, args) \ + .globl syscall_error; \ + kernel_trap(__##name,SYS_##name,args); \ + beq $1,$0,1f; \ + j syscall_error; \ +1: + +#define ret j ra; nop +#endif + +#include <sysdeps/mach/sysdep.h> |