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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>