Update.

	* sysdeps/mips/atomicity.h: Remove unused file.
	* sysdeps/mips/dl-machine.h (elf_machine_rel): Add TLS relocations.
	* sysdeps/mips/dl-tls.h: New file.
	* sysdeps/mips/libc-tls.c: New file.
	* sysdeps/mips/tls-macros.h: New file.
	* sysdeps/mips/bits/atomic.h: New file.
	* sysdeps/mips/bits/setjmp.h: Protect against multiple inclusion.
	* sysdeps/mips/elf/configure.in: New file.
	* sysdeps/mips/elf/configure: Generated.
	* sysdeps/mips/sys/asm.h: New file.
	* sysdeps/unix/sysv/linux/mips/vfork.S: New file.
	* sysdeps/unix/sysv/linux/mips/clone.S: Add NPTL and five-argument
	clone support.
	* sysdeps/unix/sysv/linux/mips/mips32/sysdep.h
	(INTERNAL_SYSCALL_NCS): New.
	(INTERNAL_SYSCALL): Update for non-constant support.
	(internal_syscall0): Likewise.
	(internal_syscall1): Likewise.
	(internal_syscall2): Likewise.
	(internal_syscall3): Likewise.
	(internal_syscall4): Likewise.
	(internal_syscall5): Likewise.
	(internal_syscall6): Likewise.
	(internal_syscall7): Likewise.
	* sysdeps/unix/sysv/linux/mips/bits/siginfo.h (SIGEV_THREAD):
	Update to match the kernel.
	(SIGEV_CALLBACK): Likewise.
	(SIGEV_THREAD_ID): Likewise.

2005-03-28  Daniel Jacobowitz  <dan@codesourcery.com>

4 files changed, 309 insertions, 143 deletions

diff --git a/sysdeps/unix/sysv/linux/mips/bits/siginfo.h b/sysdeps/unix/sysv/linux/mips/bits/siginfo.h
index 54eba41d6e..787e365139 100644
--- a/sysdeps/unix/sysv/linux/mips/bits/siginfo.h
+++ b/sysdeps/unix/sysv/linux/mips/bits/siginfo.h
@@ -1,5 +1,5 @@
 /* siginfo_t, sigevent and constants.  Linux/MIPS version.
-   Copyright (C) 1997, 1998, 2000, 2001, 2002, 2003, 2004
+   Copyright (C) 1997, 1998, 2000, 2001, 2002, 2003, 2004, 2005
 	Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -300,10 +300,11 @@ enum
 # define SIGEV_SIGNAL	SIGEV_SIGNAL
   SIGEV_NONE,			/* Other notification: meaningless.  */
 # define SIGEV_NONE	SIGEV_NONE
-  SIGEV_CALLBACK,		/* Deliver via thread creation.  */
-# define SIGEV_CALLBACK	SIGEV_CALLBACK
-  SIGEV_THREAD			/* Deliver via thread creation.  */
+  SIGEV_THREAD,			/* Deliver via thread creation.  */
 # define SIGEV_THREAD	SIGEV_THREAD
+
+  SIGEV_THREAD_ID = 4		/* Send signal to specific thread.  */
+#define SIGEV_THREAD_ID	SIGEV_THREAD_ID
 };
 
 #endif	/* have _SIGNAL_H.  */
diff --git a/sysdeps/unix/sysv/linux/mips/clone.S b/sysdeps/unix/sysv/linux/mips/clone.S
index 043f5921cb..8b8e0072f5 100644
--- a/sysdeps/unix/sysv/linux/mips/clone.S
+++ b/sysdeps/unix/sysv/linux/mips/clone.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996, 1997, 2000, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 1996, 1997, 2000, 2003, 2005 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ralf Baechle <ralf@linux-mips.org>, 1996.
 
@@ -24,11 +24,23 @@
 #include <sysdep.h>
 #define _ERRNO_H	1
 #include <bits/errno.h>
+#ifdef RESET_PID
+#include <tls.h>
+#endif
+
+#define CLONE_VM      0x00000100
+#define CLONE_THREAD  0x00010000
 
-/* int clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg) */
+/* int clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg,
+	     void *parent_tidptr, void *tls, void *child_tidptr) */
 
 	.text
-LOCALSZ= 1
+#if _MIPS_SIM == _ABIO32
+# define EXTRA_LOCALS 1
+#else
+# define EXTRA_LOCALS 0
+#endif
+LOCALSZ= 4
 FRAMESZ= (((NARGSAVE+LOCALSZ)*SZREG)+ALSZ)&ALMASK
 GPOFF= FRAMESZ-(1*SZREG)
 NESTED(__clone,4*SZREG,sp)
@@ -56,10 +68,26 @@ NESTED(__clone,4*SZREG,sp)
 	PTR_SUBU	a1,32		/* Reserve argument save space.  */
 	PTR_S		a0,0(a1)	/* Save function pointer.  */
 	PTR_S		a3,PTRSIZE(a1)	/* Save argument pointer.  */
+#ifdef RESET_PID
+	LONG_S		a2,(PTRSIZE*2)(a1)	/* Save clone flags.  */
+#endif
 
+	move		a0,a2
+
+	/* Shuffle in the last three arguments - arguments 5, 6, and 7 to
+	   this function, but arguments 3, 4, and 5 to the syscall.  */
+#if _MIPS_SIM == _ABIO32
+	PTR_L		a2,(FRAMESZ+PTRSIZE+PTRSIZE+16)(sp)
+	PTR_S		a2,16(sp)
+	PTR_L		a2,(FRAMESZ+16)(sp)
+	PTR_L		a3,(FRAMESZ+PTRSIZE+16)(sp)
+#else
+	move		a2,a4
+	move		a3,a5
+	move		a4,a6
+#endif
 
 	/* Do the system call */
-	move		a0,a2
 	li		v0,__NR_clone
 	syscall
 
@@ -94,6 +122,15 @@ L(thread_start):
 	/* cp is already loaded.  */
 	SAVE_GP (GPOFF)
 	/* The stackframe has been created on entry of clone().  */
+
+#ifdef RESET_PID
+	/* Check and see if we need to reset the PID.  */
+	LONG_L		a0,(PTRSIZE*2)(sp)
+	and		a1,a0,CLONE_THREAD
+	beqz		a1,L(restore_pid)
+L(donepid):
+#endif
+
 	/* Restore the arg for user's function.  */
 	PTR_L		t9,0(sp)	/* Function pointer.  */
 	PTR_L		a0,PTRSIZE(sp)	/* Argument pointer.  */
@@ -109,6 +146,21 @@ L(thread_start):
 #else
 	jal		_exit
 #endif
+
+#ifdef RESET_PID
+L(restore_pid):
+	and		a1,a0,CLONE_VM
+	li		v0,-1
+	bnez		a1,L(gotpid)
+	li		v0,__NR_getpid
+	syscall
+L(gotpid):
+	READ_THREAD_POINTER(v1)
+	INT_S		v0,PID_OFFSET(v1)
+	INT_S		v0,TID_OFFSET(v1)
+	b		L(donepid)
+#endif
+
 	END(__thread_start)
 
 weak_alias(__clone, clone)
diff --git a/sysdeps/unix/sysv/linux/mips/mips32/sysdep.h b/sysdeps/unix/sysv/linux/mips/mips32/sysdep.h
index 682ec3d6aa..3da2412259 100644
--- a/sysdeps/unix/sysv/linux/mips/mips32/sysdep.h
+++ b/sysdeps/unix/sysv/linux/mips/mips32/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000, 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2000, 2002, 2003, 2004, 2005 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
@@ -48,12 +48,12 @@
 #undef INLINE_SYSCALL
 #define INLINE_SYSCALL(name, nr, args...)                               \
   ({ INTERNAL_SYSCALL_DECL(err);					\
-     long result_var = INTERNAL_SYSCALL (name, err, nr, args);      	\
-     if ( INTERNAL_SYSCALL_ERROR_P (result_var, err) )  		\
-       {                                                                \
-         __set_errno (INTERNAL_SYSCALL_ERRNO (result_var, err));      	\
-         result_var = -1L;                               		\
-       }                                                                \
+     long result_var = INTERNAL_SYSCALL (name, err, nr, args);		\
+     if ( INTERNAL_SYSCALL_ERROR_P (result_var, err) )			\
+       {								\
+	 __set_errno (INTERNAL_SYSCALL_ERRNO (result_var, err));	\
+	 result_var = -1L;						\
+       }								\
      result_var; })
 
 #undef INTERNAL_SYSCALL_DECL
@@ -66,203 +66,218 @@
 #define INTERNAL_SYSCALL_ERRNO(val, err)     (val)
 
 #undef INTERNAL_SYSCALL
-#define INTERNAL_SYSCALL(name, err, nr, args...) internal_syscall##nr(name, err, args)
+#define INTERNAL_SYSCALL(name, err, nr, args...) \
+	internal_syscall##nr (, "li\t$2, %2\t\t\t# " #name "\n\t",	\
+			      "i" (SYS_ify (name)), err, args)
 
-#define internal_syscall0(name, err, dummy...) 				\
-({ 									\
+#undef INTERNAL_SYSCALL_NCS
+#define INTERNAL_SYSCALL_NCS(number, err, nr, args...) \
+	internal_syscall##nr (= number, , "r" (__v0), err, args)
+
+#define internal_syscall0(ncs_init, cs_init, input, err, dummy...)	\
+({									\
 	long _sys_result;						\
 									\
 	{								\
-	register long __v0 asm("$2"); 					\
-	register long __a3 asm("$7"); 					\
-	__asm__ volatile ( 						\
-	".set\tnoreorder\n\t" 						\
-	"li\t$2, %2\t\t\t# " #name "\n\t"				\
-	"syscall\n\t" 							\
-	".set reorder" 							\
-	: "=r" (__v0), "=r" (__a3) 					\
-	: "i" (SYS_ify(name))						\
-	: __SYSCALL_CLOBBERS); 						\
+	register long __v0 asm("$2") ncs_init;				\
+	register long __a3 asm("$7");					\
+	__asm__ volatile (						\
+	".set\tnoreorder\n\t"						\
+	cs_init								\
+	"syscall\n\t"							\
+	".set reorder"							\
+	: "=r" (__v0), "=r" (__a3)					\
+	: input								\
+	: __SYSCALL_CLOBBERS);						\
 	err = __a3;							\
 	_sys_result = __v0;						\
 	}								\
 	_sys_result;							\
 })
 
-#define internal_syscall1(name, err, arg1) 				\
-({ 									\
+#define internal_syscall1(ncs_init, cs_init, input, err, arg1)		\
+({									\
 	long _sys_result;						\
 									\
 	{								\
-	register long __v0 asm("$2"); 					\
-	register long __a0 asm("$4") = (long) arg1; 			\
-	register long __a3 asm("$7"); 					\
-	__asm__ volatile ( 						\
-	".set\tnoreorder\n\t" 						\
-	"li\t$2, %3\t\t\t# " #name "\n\t"				\
-	"syscall\n\t" 							\
-	".set reorder" 							\
-	: "=r" (__v0), "=r" (__a3) 					\
-	: "r" (__a0), "i" (SYS_ify(name)) 				\
-	: __SYSCALL_CLOBBERS); 						\
+	register long __v0 asm("$2") ncs_init;				\
+	register long __a0 asm("$4") = (long) arg1;			\
+	register long __a3 asm("$7");					\
+	__asm__ volatile (						\
+	".set\tnoreorder\n\t"						\
+	cs_init								\
+	"syscall\n\t"							\
+	".set reorder"							\
+	: "=r" (__v0), "=r" (__a3)					\
+	: input, "r" (__a0)						\
+	: __SYSCALL_CLOBBERS);						\
 	err = __a3;							\
 	_sys_result = __v0;						\
 	}								\
 	_sys_result;							\
 })
 
-#define internal_syscall2(name, err, arg1, arg2) 			\
-({ 									\
+#define internal_syscall2(ncs_init, cs_init, input, err, arg1, arg2)	\
+({									\
 	long _sys_result;						\
 									\
 	{								\
-	register long __v0 asm("$2"); 					\
-	register long __a0 asm("$4") = (long) arg1; 			\
-	register long __a1 asm("$5") = (long) arg2; 			\
-	register long __a3 asm("$7"); 					\
-	__asm__ volatile ( 						\
-	".set\tnoreorder\n\t" 						\
-	"li\t$2, %4\t\t\t# " #name "\n\t" 				\
-	"syscall\n\t" 							\
-	".set\treorder" 						\
-	: "=r" (__v0), "=r" (__a3) 					\
-	: "r" (__a0), "r" (__a1), "i" (SYS_ify(name))			\
-	: __SYSCALL_CLOBBERS); 						\
+	register long __v0 asm("$2") ncs_init;				\
+	register long __a0 asm("$4") = (long) arg1;			\
+	register long __a1 asm("$5") = (long) arg2;			\
+	register long __a3 asm("$7");					\
+	__asm__ volatile (						\
+	".set\tnoreorder\n\t"						\
+	cs_init								\
+	"syscall\n\t"							\
+	".set\treorder"						\
+	: "=r" (__v0), "=r" (__a3)					\
+	: input, "r" (__a0), "r" (__a1)					\
+	: __SYSCALL_CLOBBERS);						\
 	err = __a3;							\
 	_sys_result = __v0;						\
 	}								\
 	_sys_result;							\
 })
 
-#define internal_syscall3(name, err, arg1, arg2, arg3) 			\
-({ 									\
+#define internal_syscall3(ncs_init, cs_init, input, err, arg1, arg2, arg3)\
+({									\
 	long _sys_result;						\
 									\
 	{								\
-	register long __v0 asm("$2"); 					\
-	register long __a0 asm("$4") = (long) arg1; 			\
-	register long __a1 asm("$5") = (long) arg2; 			\
-	register long __a2 asm("$6") = (long) arg3; 			\
-	register long __a3 asm("$7"); 					\
-	__asm__ volatile ( 						\
-	".set\tnoreorder\n\t" 						\
-	"li\t$2, %5\t\t\t# " #name "\n\t" 				\
-	"syscall\n\t" 							\
-	".set\treorder" 						\
-	: "=r" (__v0), "=r" (__a3) 					\
-	: "r" (__a0), "r" (__a1), "r" (__a2), "i" (SYS_ify(name)) 	\
-	: __SYSCALL_CLOBBERS); 						\
+	register long __v0 asm("$2") ncs_init;				\
+	register long __a0 asm("$4") = (long) arg1;			\
+	register long __a1 asm("$5") = (long) arg2;			\
+	register long __a2 asm("$6") = (long) arg3;			\
+	register long __a3 asm("$7");					\
+	__asm__ volatile (						\
+	".set\tnoreorder\n\t"						\
+	cs_init								\
+	"syscall\n\t"							\
+	".set\treorder"						\
+	: "=r" (__v0), "=r" (__a3)					\
+	: input, "r" (__a0), "r" (__a1), "r" (__a2)			\
+	: __SYSCALL_CLOBBERS);						\
 	err = __a3;							\
 	_sys_result = __v0;						\
 	}								\
 	_sys_result;							\
 })
 
-#define internal_syscall4(name, err, arg1, arg2, arg3, arg4) 		\
-({ 									\
+#define internal_syscall4(ncs_init, cs_init, input, err, arg1, arg2, arg3, arg4)\
+({									\
 	long _sys_result;						\
 									\
 	{								\
-	register long __v0 asm("$2"); 					\
-	register long __a0 asm("$4") = (long) arg1; 			\
-	register long __a1 asm("$5") = (long) arg2; 			\
-	register long __a2 asm("$6") = (long) arg3; 			\
-	register long __a3 asm("$7") = (long) arg4; 			\
-	__asm__ volatile ( 						\
-	".set\tnoreorder\n\t" 						\
-	"li\t$2, %5\t\t\t# " #name "\n\t" 				\
-	"syscall\n\t" 							\
-	".set\treorder" 						\
-	: "=r" (__v0), "+r" (__a3) 					\
-	: "r" (__a0), "r" (__a1), "r" (__a2), "i" (SYS_ify(name)) 	\
-	: __SYSCALL_CLOBBERS); 						\
+	register long __v0 asm("$2") ncs_init;				\
+	register long __a0 asm("$4") = (long) arg1;			\
+	register long __a1 asm("$5") = (long) arg2;			\
+	register long __a2 asm("$6") = (long) arg3;			\
+	register long __a3 asm("$7") = (long) arg4;			\
+	__asm__ volatile (						\
+	".set\tnoreorder\n\t"						\
+	cs_init								\
+	"syscall\n\t"							\
+	".set\treorder"						\
+	: "=r" (__v0), "+r" (__a3)					\
+	: input, "r" (__a0), "r" (__a1), "r" (__a2)			\
+	: __SYSCALL_CLOBBERS);						\
 	err = __a3;							\
 	_sys_result = __v0;						\
 	}								\
 	_sys_result;							\
 })
 
-#define internal_syscall5(name, err, arg1, arg2, arg3, arg4, arg5) 	\
-({ 									\
+/* We need to use a frame pointer for the functions in which we
+   adjust $sp around the syscall, or debug information and unwind
+   information will be $sp relative and thus wrong during the syscall.  As
+   of GCC 3.4.3, this is sufficient.  */
+#define FORCE_FRAME_POINTER alloca (4)
+
+#define internal_syscall5(ncs_init, cs_init, input, err, arg1, arg2, arg3, arg4, arg5)\
+({									\
 	long _sys_result;						\
 									\
+	FORCE_FRAME_POINTER;						\
 	{								\
-	register long __v0 asm("$2"); 					\
-	register long __a0 asm("$4") = (long) arg1; 			\
-	register long __a1 asm("$5") = (long) arg2; 			\
-	register long __a2 asm("$6") = (long) arg3; 			\
-	register long __a3 asm("$7") = (long) arg4; 			\
-	__asm__ volatile ( 						\
-	".set\tnoreorder\n\t" 						\
-	"subu\t$29, 32\n\t" 						\
-	"sw\t%6, 16($29)\n\t" 						\
-	"li\t$2, %5\t\t\t# " #name "\n\t" 				\
-	"syscall\n\t" 							\
-	"addiu\t$29, 32\n\t" 						\
-	".set\treorder" 						\
-	: "=r" (__v0), "+r" (__a3) 					\
-	: "r" (__a0), "r" (__a1), "r" (__a2), "i" (SYS_ify(name)), 	\
-	  "r" ((long)arg5) 						\
-	: __SYSCALL_CLOBBERS); 						\
+	register long __v0 asm("$2") ncs_init;				\
+	register long __a0 asm("$4") = (long) arg1;			\
+	register long __a1 asm("$5") = (long) arg2;			\
+	register long __a2 asm("$6") = (long) arg3;			\
+	register long __a3 asm("$7") = (long) arg4;			\
+	__asm__ volatile (						\
+	".set\tnoreorder\n\t"						\
+	"subu\t$29, 32\n\t"						\
+	"sw\t%6, 16($29)\n\t"						\
+	cs_init								\
+	"syscall\n\t"							\
+	"addiu\t$29, 32\n\t"						\
+	".set\treorder"						\
+	: "=r" (__v0), "+r" (__a3)					\
+	: input, "r" (__a0), "r" (__a1), "r" (__a2),			\
+	  "r" ((long)arg5)						\
+	: __SYSCALL_CLOBBERS);						\
 	err = __a3;							\
 	_sys_result = __v0;						\
 	}								\
 	_sys_result;							\
 })
 
-#define internal_syscall6(name, err, arg1, arg2, arg3, arg4, arg5, arg6)\
-({ 									\
+#define internal_syscall6(ncs_init, cs_init, input, err, arg1, arg2, arg3, arg4, arg5, arg6)\
+({									\
 	long _sys_result;						\
 									\
+	FORCE_FRAME_POINTER;						\
 	{								\
-	register long __v0 asm("$2"); 					\
-	register long __a0 asm("$4") = (long) arg1; 			\
-	register long __a1 asm("$5") = (long) arg2; 			\
-	register long __a2 asm("$6") = (long) arg3; 			\
-	register long __a3 asm("$7") = (long) arg4; 			\
-	__asm__ volatile ( 						\
-	".set\tnoreorder\n\t" 						\
-	"subu\t$29, 32\n\t" 						\
-	"sw\t%6, 16($29)\n\t" 						\
-	"sw\t%7, 20($29)\n\t" 						\
-	"li\t$2, %5\t\t\t# " #name "\n\t" 				\
-	"syscall\n\t" 							\
-	"addiu\t$29, 32\n\t" 						\
-	".set\treorder" 						\
-	: "=r" (__v0), "+r" (__a3) 					\
-	: "r" (__a0), "r" (__a1), "r" (__a2), "i" (SYS_ify(name)), 	\
+	register long __v0 asm("$2") ncs_init;				\
+	register long __a0 asm("$4") = (long) arg1;			\
+	register long __a1 asm("$5") = (long) arg2;			\
+	register long __a2 asm("$6") = (long) arg3;			\
+	register long __a3 asm("$7") = (long) arg4;			\
+	__asm__ volatile (						\
+	".set\tnoreorder\n\t"						\
+	"subu\t$29, 32\n\t"						\
+	"sw\t%6, 16($29)\n\t"						\
+	"sw\t%7, 20($29)\n\t"						\
+	cs_init								\
+	"syscall\n\t"							\
+	"addiu\t$29, 32\n\t"						\
+	".set\treorder"						\
+	: "=r" (__v0), "+r" (__a3)					\
+	: input, "r" (__a0), "r" (__a1), "r" (__a2),			\
 	  "r" ((long)arg5), "r" ((long)arg6)				\
-	: __SYSCALL_CLOBBERS); 						\
+	: __SYSCALL_CLOBBERS);						\
 	err = __a3;							\
 	_sys_result = __v0;						\
 	}								\
 	_sys_result;							\
 })
 
-#define internal_syscall7(name, err, arg1, arg2, arg3, arg4, arg5, arg6, arg7)\
-({ 									\
+#define internal_syscall7(ncs_init, cs_init, input, err, arg1, arg2, arg3, arg4, arg5, arg6, arg7)\
+({									\
 	long _sys_result;						\
 									\
+	FORCE_FRAME_POINTER;						\
 	{								\
-	register long __v0 asm("$2"); 					\
-	register long __a0 asm("$4") = (long) arg1; 			\
-	register long __a1 asm("$5") = (long) arg2; 			\
-	register long __a2 asm("$6") = (long) arg3; 			\
-	register long __a3 asm("$7") = (long) arg4; 			\
-	__asm__ volatile ( 						\
-	".set\tnoreorder\n\t" 						\
-	"subu\t$29, 32\n\t" 						\
-	"sw\t%6, 16($29)\n\t" 						\
-	"sw\t%7, 20($29)\n\t" 						\
-	"sw\t%8, 24($29)\n\t" 						\
-	"li\t$2, %5\t\t\t# " #name "\n\t" 				\
-	"syscall\n\t" 							\
-	"addiu\t$29, 32\n\t" 						\
-	".set\treorder" 						\
-	: "=r" (__v0), "+r" (__a3) 					\
-	: "r" (__a0), "r" (__a1), "r" (__a2), "i" (SYS_ify(name)), 	\
+	register long __v0 asm("$2") ncs_init;				\
+	register long __a0 asm("$4") = (long) arg1;			\
+	register long __a1 asm("$5") = (long) arg2;			\
+	register long __a2 asm("$6") = (long) arg3;			\
+	register long __a3 asm("$7") = (long) arg4;			\
+	__asm__ volatile (						\
+	".set\tnoreorder\n\t"						\
+	"subu\t$29, 32\n\t"						\
+	"sw\t%6, 16($29)\n\t"						\
+	"sw\t%7, 20($29)\n\t"						\
+	"sw\t%8, 24($29)\n\t"						\
+	cs_init								\
+	"syscall\n\t"							\
+	"addiu\t$29, 32\n\t"						\
+	".set\treorder"						\
+	: "=r" (__v0), "+r" (__a3)					\
+	: input, "r" (__a0), "r" (__a1), "r" (__a2),			\
 	  "r" ((long)arg5), "r" ((long)arg6), "r" ((long)arg7)		\
-	: __SYSCALL_CLOBBERS); 						\
+	: __SYSCALL_CLOBBERS);						\
 	err = __a3;							\
 	_sys_result = __v0;						\
 	}								\
diff --git a/sysdeps/unix/sysv/linux/mips/vfork.S b/sysdeps/unix/sysv/linux/mips/vfork.S
new file mode 100644
index 0000000000..1383ddc6a7
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/mips/vfork.S
@@ -0,0 +1,98 @@
+/* Copyright (C) 2005 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.  */
+
+/* vfork() is just a special case of clone().  */
+
+#include <sys/asm.h>
+#include <sysdep.h>
+#include <asm/unistd.h>
+#include <sgidefs.h>
+
+#ifndef SAVE_PID
+#define SAVE_PID
+#endif
+
+#ifndef RESTORE_PID
+#define RESTORE_PID
+#endif
+
+
+/* int vfork() */
+
+	.text
+LOCALSZ= 1
+FRAMESZ= (((NARGSAVE+LOCALSZ)*SZREG)+ALSZ)&ALMASK
+GPOFF= FRAMESZ-(1*SZREG)
+NESTED(__vfork,FRAMESZ,sp)
+#ifdef __PIC__
+	SETUP_GP
+#endif
+	PTR_SUBU sp, FRAMESZ
+	SETUP_GP64 (a5, __vfork)
+#ifdef __PIC__
+	SAVE_GP (GPOFF)
+#endif
+#ifdef PROF
+# if (_MIPS_SIM != _ABIO32)
+	PTR_S		a5, GPOFF(sp)
+# endif
+	.set		noat
+	move		$1, ra
+# if (_MIPS_SIM == _ABIO32)
+	subu		sp,sp,8
+# endif
+	jal		_mcount
+	.set		at
+# if (_MIPS_SIM != _ABIO32)
+	PTR_L		a5, GPOFF(sp)
+# endif
+#endif
+
+	PTR_ADDU	sp, FRAMESZ
+
+	SAVE_PID
+
+	li		a0, 0x4112	/* CLONE_VM | CLONE_VFORK | SIGCHLD */
+	move		a1, sp
+
+	/* Do the system call */
+	li		v0,__NR_clone
+	syscall
+
+	RESTORE_PID
+
+	bnez		a3,L(error)
+
+	/* Successful return from the parent or child.  */
+	RESTORE_GP64
+	ret
+
+	/* Something bad happened -- no child created.  */
+L(error):
+#ifdef __PIC__
+	PTR_LA		t9, __syscall_error
+	RESTORE_GP64
+	jr		t9
+#else
+	RESTORE_GP64
+	j		__syscall_error
+#endif
+	END(__vfork)
+
+libc_hidden_def(__vfork)
+weak_alias(__vfork, vfork)