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-rw-r--r--sysdeps/mach/mips/sysdep.h83
1 files changed, 83 insertions, 0 deletions
diff --git a/sysdeps/mach/mips/sysdep.h b/sysdeps/mach/mips/sysdep.h
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index 0000000000..8136f95bf2
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+++ 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>