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authorJakub Jelinek <jakub@redhat.com>2005-04-01 15:13:31 +0000
committerJakub Jelinek <jakub@redhat.com>2005-04-01 15:13:31 +0000
commite8eaba2b25948c0e60f70c33c5c52aad70bbf5fc (patch)
tree020566c0ffd2d27131ee7bac45eea5560a4732bd /sysdeps/mips
parente3166b6660ce5f0640242a4806a380bb651a2291 (diff)
downloadglibc-e8eaba2b25948c0e60f70c33c5c52aad70bbf5fc.tar.gz
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Updated to fedora-glibc-20050401T1444
Diffstat (limited to 'sysdeps/mips')
-rw-r--r--sysdeps/mips/atomicity.h113
-rw-r--r--sysdeps/mips/bits/atomic.h303
-rw-r--r--sysdeps/mips/bits/link.h118
-rw-r--r--sysdeps/mips/bits/setjmp.h9
-rw-r--r--sysdeps/mips/dl-machine.h364
-rw-r--r--sysdeps/mips/dl-tls.h46
-rw-r--r--sysdeps/mips/dl-trampoline.c272
-rw-r--r--sysdeps/mips/elf/configure46
-rw-r--r--sysdeps/mips/elf/configure.in35
-rw-r--r--sysdeps/mips/libc-tls.c37
-rw-r--r--sysdeps/mips/sys/asm.h19
-rw-r--r--sysdeps/mips/tls-macros.h88
12 files changed, 1069 insertions, 381 deletions
diff --git a/sysdeps/mips/atomicity.h b/sysdeps/mips/atomicity.h
deleted file mode 100644
index 7380e1000c..0000000000
--- a/sysdeps/mips/atomicity.h
+++ /dev/null
@@ -1,113 +0,0 @@
-/* Low-level functions for atomic operations. Mips version.
-   Copyright (C) 2001, 2002, 2003, 2004 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.  */
-
-#ifndef _MIPS_ATOMICITY_H
-#define _MIPS_ATOMICITY_H    1
-
-#include <inttypes.h>
-#include <sgidefs.h>
-
-static inline int
-__attribute__ ((unused))
-exchange_and_add (volatile uint32_t *mem, int val)
-{
-  int result, tmp;
-
-  __asm__ __volatile__
-    ("/* Inline exchange & add */\n"
-     "1:\n\t"
-     ".set	push\n\t"
-#if _MIPS_SIM == _ABIO32
-     ".set	mips2\n\t"
-#endif
-     "ll	%0,%3\n\t"
-     "addu	%1,%4,%0\n\t"
-     "sc	%1,%2\n\t"
-     ".set	pop\n\t"
-     "beqz	%1,1b\n\t"
-     "/* End exchange & add */"
-     : "=&r"(result), "=&r"(tmp), "=m"(*mem)
-     : "m" (*mem), "r"(val)
-     : "memory");
-
-  return result;
-}
-
-static inline void
-__attribute__ ((unused))
-atomic_add (volatile uint32_t *mem, int val)
-{
-  int result;
-
-  __asm__ __volatile__
-    ("/* Inline atomic add */\n"
-     "1:\n\t"
-     ".set	push\n\t"
-#if _MIPS_SIM == _ABIO32
-     ".set	mips2\n\t"
-#endif
-     "ll	%0,%2\n\t"
-     "addu	%0,%3,%0\n\t"
-     "sc	%0,%1\n\t"
-     ".set	pop\n\t"
-     "beqz	%0,1b\n\t"
-     "/* End atomic add */"
-     : "=&r"(result), "=m"(*mem)
-     : "m" (*mem), "r"(val)
-     : "memory");
-}
-
-static inline int
-__attribute__ ((unused))
-compare_and_swap (volatile long int *p, long int oldval, long int newval)
-{
-  long int ret, temp;
-
-  __asm__ __volatile__
-    ("/* Inline compare & swap */\n"
-     "1:\n\t"
-     ".set	push\n\t"
-#if _MIPS_SIM == _ABIO32
-     ".set	mips2\n\t"
-#endif
-#if _MIPS_SIM == _ABI64
-     "lld	%1,%5\n\t"
-#else
-     "ll	%1,%5\n\t"
-#endif
-     "move	%0,$0\n\t"
-     "bne	%1,%3,2f\n\t"
-     "move	%0,%4\n\t"
-#if _MIPS_SIM == _ABI64
-     "scd	%0,%2\n\t"
-#else
-     "sc	%0,%2\n\t"
-#endif
-     ".set	pop\n\t"
-     "beqz	%0,1b\n"
-     "2:\n\t"
-     "/* End compare & swap */"
-     : "=&r" (ret), "=&r" (temp), "=m" (*p)
-     : "r" (oldval), "r" (newval), "m" (*p)
-     : "memory");
-
-  return ret;
-}
-
-#endif /* atomicity.h */
diff --git a/sysdeps/mips/bits/atomic.h b/sysdeps/mips/bits/atomic.h
new file mode 100644
index 0000000000..167d9a59c8
--- /dev/null
+++ b/sysdeps/mips/bits/atomic.h
@@ -0,0 +1,303 @@
+/* Low-level functions for atomic operations. Mips version.
+   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.  */
+
+#ifndef _MIPS_BITS_ATOMIC_H
+#define _MIPS_BITS_ATOMIC_H 1
+
+#include <inttypes.h>
+#include <sgidefs.h>
+
+typedef int32_t atomic32_t;
+typedef uint32_t uatomic32_t;
+typedef int_fast32_t atomic_fast32_t;
+typedef uint_fast32_t uatomic_fast32_t;
+
+typedef int64_t atomic64_t;
+typedef uint64_t uatomic64_t;
+typedef int_fast64_t atomic_fast64_t;
+typedef uint_fast64_t uatomic_fast64_t;
+
+typedef intptr_t atomicptr_t;
+typedef uintptr_t uatomicptr_t;
+typedef intmax_t atomic_max_t;
+typedef uintmax_t uatomic_max_t;
+
+#if _MIPS_SIM == _ABIO32
+#define MIPS_PUSH_MIPS2 ".set	mips2\n\t"
+#else
+#define MIPS_PUSH_MIPS2
+#endif
+
+/* See the comments in <sys/asm.h> about the use of the sync instruction.  */
+#ifndef MIPS_SYNC
+# define MIPS_SYNC	sync
+#endif
+
+#define MIPS_SYNC_STR_2(X) #X
+#define MIPS_SYNC_STR_1(X) MIPS_SYNC_STR_2(X)
+#define MIPS_SYNC_STR MIPS_SYNC_STR_1(MIPS_SYNC)
+
+/* Compare and exchange.  For all of the "xxx" routines, we expect a
+   "__prev" and a "__cmp" variable to be provided by the enclosing scope,
+   in which values are returned.  */
+
+#define __arch_compare_and_exchange_xxx_8_int(mem, newval, oldval, rel, acq) \
+  (abort (), __prev = __cmp = 0)
+
+#define __arch_compare_and_exchange_xxx_16_int(mem, newval, oldval, rel, acq) \
+  (abort (), __prev = __cmp = 0)
+
+#define __arch_compare_and_exchange_xxx_32_int(mem, newval, oldval, rel, acq) \
+     __asm__ __volatile__ (						      \
+     ".set	push\n\t"						      \
+     MIPS_PUSH_MIPS2							      \
+     rel	"\n"							      \
+     "1:\t"								      \
+     "ll	%0,%4\n\t"						      \
+     "move	%1,$0\n\t"						      \
+     "bne	%0,%2,2f\n\t"						      \
+     "move	%1,%3\n\t"						      \
+     "sc	%1,%4\n\t"						      \
+     "beqz	%1,1b\n"						      \
+     acq	"\n\t"							      \
+     ".set	pop\n"							      \
+     "2:\n\t"								      \
+	      : "=&r" (__prev), "=&r" (__cmp)				      \
+	      : "r" (oldval), "r" (newval), "m" (*mem)			      \
+	      : "memory")
+
+#if _MIPS_SIM == _ABIO32
+/* We can't do an atomic 64-bit operation in O32.  */
+#define __arch_compare_and_exchange_xxx_64_int(mem, newval, oldval, rel, acq) \
+  (abort (), __prev = __cmp = 0)
+#else
+#define __arch_compare_and_exchange_xxx_64_int(mem, newval, oldval, rel, acq) \
+     __asm__ __volatile__ ("\n"						      \
+     ".set	push\n\t"						      \
+     MIPS_PUSH_MIPS2							      \
+     rel	"\n"							      \
+     "1:\t"								      \
+     "lld	%0,%4\n\t"						      \
+     "move	%1,$0\n\t"						      \
+     "bne	%0,%2,2f\n\t"						      \
+     "move	%1,%3\n\t"						      \
+     "scd	%1,%4\n\t"						      \
+     "beqz	%1,1b\n"						      \
+     acq	"\n\t"							      \
+     ".set	pop\n"							      \
+     "2:\n\t"								      \
+	      : "=&r" (__prev), "=&r" (__cmp)				      \
+	      : "r" (oldval), "r" (newval), "m" (*mem)			      \
+	      : "memory")
+#endif
+
+/* For all "bool" routines, we return FALSE if exchange succesful.  */
+
+#define __arch_compare_and_exchange_bool_8_int(mem, new, old, rel, acq)	\
+({ typeof (*mem) __prev; int __cmp;					\
+   __arch_compare_and_exchange_xxx_8_int(mem, new, old, rel, acq);	\
+   !__cmp; })
+
+#define __arch_compare_and_exchange_bool_16_int(mem, new, old, rel, acq) \
+({ typeof (*mem) __prev; int __cmp;					\
+   __arch_compare_and_exchange_xxx_16_int(mem, new, old, rel, acq);	\
+   !__cmp; })
+
+#define __arch_compare_and_exchange_bool_32_int(mem, new, old, rel, acq) \
+({ typeof (*mem) __prev; int __cmp;					\
+   __arch_compare_and_exchange_xxx_32_int(mem, new, old, rel, acq);	\
+   !__cmp; })
+
+#define __arch_compare_and_exchange_bool_64_int(mem, new, old, rel, acq) \
+({ typeof (*mem) __prev; int __cmp;					\
+   __arch_compare_and_exchange_xxx_64_int(mem, new, old, rel, acq);	\
+   !__cmp; })
+
+/* For all "val" routines, return the old value whether exchange
+   successful or not.  */
+
+#define __arch_compare_and_exchange_val_8_int(mem, new, old, rel, acq)	\
+({ typeof (*mem) __prev; int __cmp;					\
+   __arch_compare_and_exchange_xxx_8_int(mem, new, old, rel, acq);	\
+   (typeof (*mem))__prev; })
+
+#define __arch_compare_and_exchange_val_16_int(mem, new, old, rel, acq) \
+({ typeof (*mem) __prev; int __cmp;					\
+   __arch_compare_and_exchange_xxx_16_int(mem, new, old, rel, acq);	\
+   (typeof (*mem))__prev; })
+
+#define __arch_compare_and_exchange_val_32_int(mem, new, old, rel, acq) \
+({ typeof (*mem) __prev; int __cmp;					\
+   __arch_compare_and_exchange_xxx_32_int(mem, new, old, rel, acq);	\
+   (typeof (*mem))__prev; })
+
+#define __arch_compare_and_exchange_val_64_int(mem, new, old, rel, acq) \
+({ typeof (*mem) __prev; int __cmp;					\
+   __arch_compare_and_exchange_xxx_64_int(mem, new, old, rel, acq);	\
+   (typeof (*mem))__prev; })
+
+/* Compare and exchange with "acquire" semantics, ie barrier after.  */
+
+#define atomic_compare_and_exchange_bool_acq(mem, new, old)	\
+  __atomic_bool_bysize (__arch_compare_and_exchange_bool, int,	\
+		        mem, new, old, "", MIPS_SYNC_STR)
+
+#define atomic_compare_and_exchange_val_acq(mem, new, old)	\
+  __atomic_val_bysize (__arch_compare_and_exchange_val, int,	\
+		       mem, new, old, "", MIPS_SYNC_STR)
+
+/* Compare and exchange with "release" semantics, ie barrier before.  */
+
+#define atomic_compare_and_exchange_bool_rel(mem, new, old)	\
+  __atomic_bool_bysize (__arch_compare_and_exchange_bool, int,	\
+		        mem, new, old, MIPS_SYNC_STR, "")
+
+#define atomic_compare_and_exchange_val_rel(mem, new, old)	\
+  __atomic_val_bysize (__arch_compare_and_exchange_val, int,	\
+		       mem, new, old, MIPS_SYNC_STR, "")
+
+
+
+/* Atomic exchange (without compare).  */
+
+#define __arch_exchange_xxx_8_int(mem, newval, rel, acq) \
+  (abort (), 0)
+
+#define __arch_exchange_xxx_16_int(mem, newval, rel, acq) \
+  (abort (), 0)
+
+#define __arch_exchange_xxx_32_int(mem, newval, rel, acq) \
+({ typeof (*mem) __prev; int __cmp;					      \
+     __asm__ __volatile__ ("\n"						      \
+     ".set	push\n\t"						      \
+     MIPS_PUSH_MIPS2							      \
+     rel	"\n"							      \
+     "1:\t"								      \
+     "ll	%0,%3\n\t"						      \
+     "move	%1,%2\n\t"						      \
+     "sc	%1,%3\n\t"						      \
+     "beqz	%1,1b\n"						      \
+     acq	"\n\t"							      \
+     ".set	pop\n"							      \
+     "2:\n\t"								      \
+	      : "=&r" (__prev), "=&r" (__cmp)				      \
+	      : "r" (newval), "m" (*mem)				      \
+	      : "memory");						      \
+  __prev; })
+
+#if _MIPS_SIM == _ABIO32
+/* We can't do an atomic 64-bit operation in O32.  */
+#define __arch_exchange_xxx_64_int(mem, newval, rel, acq) \
+  (abort (), 0)
+#else
+#define __arch_exchange_xxx_64_int(mem, newval, rel, acq) \
+({ typeof (*mem) __prev; int __cmp;					      \
+     __asm__ __volatile__ ("\n"						      \
+     ".set	push\n\t"						      \
+     MIPS_PUSH_MIPS2							      \
+     rel	"\n"							      \
+     "1:\n"								      \
+     "lld	%0,%3\n\t"						      \
+     "move	%1,%2\n\t"						      \
+     "scd	%1,%3\n\t"						      \
+     "beqz	%1,1b\n"						      \
+     acq	"\n\t"							      \
+     ".set	pop\n"							      \
+     "2:\n\t"								      \
+	      : "=&r" (__prev), "=&r" (__cmp)				      \
+	      : "r" (newval), "m" (*mem)				      \
+	      : "memory");						      \
+  __prev; })
+#endif
+
+#define atomic_exchange_acq(mem, value) \
+  __atomic_val_bysize (__arch_exchange_xxx, int, mem, value, "", MIPS_SYNC_STR)
+
+#define atomic_exchange_rel(mem, value) \
+  __atomic_val_bysize (__arch_exchange_xxx, int, mem, value, MIPS_SYNC_STR, "")
+
+
+/* Atomically add value and return the previous (unincremented) value.  */
+
+#define __arch_exchange_and_add_8_int(mem, newval, rel, acq) \
+  (abort (), (typeof(*mem)) 0)
+
+#define __arch_exchange_and_add_16_int(mem, newval, rel, acq) \
+  (abort (), (typeof(*mem)) 0)
+
+#define __arch_exchange_and_add_32_int(mem, value, rel, acq) \
+({ typeof (*mem) __prev; int __cmp;					      \
+     __asm__ __volatile__ ("\n"						      \
+     ".set	push\n\t"						      \
+     MIPS_PUSH_MIPS2							      \
+     rel	"\n"							      \
+     "1:\t"								      \
+     "ll	%0,%3\n\t"						      \
+     "addu	%1,%0,%2\n\t"						      \
+     "sc	%1,%3\n\t"						      \
+     "beqz	%1,1b\n"						      \
+     acq	"\n\t"							      \
+     ".set	pop\n"							      \
+     "2:\n\t"								      \
+	      : "=&r" (__prev), "=&r" (__cmp)				      \
+	      : "r" (value), "m" (*mem)					      \
+	      : "memory");						      \
+  __prev; })
+
+#if _MIPS_SIM == _ABIO32
+/* We can't do an atomic 64-bit operation in O32.  */
+#define __arch_exchange_and_add_64_int(mem, value, rel, acq) \
+  (abort (), (typeof(*mem)) 0)
+#else
+#define __arch_exchange_and_add_64_int(mem, value, rel, acq) \
+({ typeof (*mem) __prev; int __cmp;					      \
+     __asm__ __volatile__ (						      \
+     ".set	push\n\t"						      \
+     MIPS_PUSH_MIPS2							      \
+     rel	"\n"							      \
+     "1:\t"								      \
+     "lld	%0,%3\n\t"						      \
+     "daddu	%1,%0,%2\n\t"						      \
+     "scd	%1,%3\n\t"						      \
+     "beqz	%1,1b\n"						      \
+     acq	"\n\t"							      \
+     ".set	pop\n"							      \
+     "2:\n\t"								      \
+	      : "=&r" (__prev), "=&r" (__cmp)				      \
+	      : "r" (value), "m" (*mem)					      \
+	      : "memory");						      \
+  __prev; })
+#endif
+
+/* ??? Barrier semantics for atomic_exchange_and_add appear to be 
+   undefined.  Use full barrier for now, as that's safe.  */
+#define atomic_exchange_and_add(mem, value) \
+  __atomic_val_bysize (__arch_exchange_and_add, int, mem, value,	      \
+		       MIPS_SYNC_STR, MIPS_SYNC_STR)
+
+/* TODO: More atomic operations could be implemented efficiently; only the
+   basic requirements are done.  */
+
+#define atomic_full_barrier() \
+  __asm__ __volatile__ (".set push\n\t"					      \
+			MIPS_PUSH_MIPS2					      \
+			MIPS_SYNC_STR "\n\t"				      \
+			".set pop" : : : "memory")
+
+#endif /* bits/atomic.h */
diff --git a/sysdeps/mips/bits/link.h b/sysdeps/mips/bits/link.h
new file mode 100644
index 0000000000..3d77a4c4a5
--- /dev/null
+++ b/sysdeps/mips/bits/link.h
@@ -0,0 +1,118 @@
+/* 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.  */
+
+#ifndef	_LINK_H
+# error "Never include <bits/link.h> directly; use <link.h> instead."
+#endif
+
+#include <sgidefs.h>
+
+#if _MIPS_SIM == _ABIO32
+
+/* Registers for entry into PLT on MIPS.  */
+typedef struct La_mips_32_regs
+{
+  uint32_t lr_reg[4]; /* $a0 through $a3 */
+  double lr_fpreg[2]; /* $f12 and $f14 */
+  uint32_t lr_ra;
+  uint32_t lr_sp;
+} La_mips_32_regs;
+
+/* Return values for calls from PLT on MIPS.  */
+typedef struct La_mips_32_retval
+{
+  uint32_t lrv_v0;
+  uint32_t lrv_v1;
+  double lrv_f0;
+  double lrv_f2;
+} La_mips_32_retval;
+
+#else
+
+typedef struct La_mips_64_regs
+{
+  uint64_t lr_reg[8]; /* $a0 through $a7 */
+  double lr_fpreg[8]; /* $f12 throgh $f19 */
+  uint64_t lr_ra;
+  uint64_t lr_sp;
+} La_mips_64_regs;
+
+/* Return values for calls from PLT on MIPS.  */
+typedef struct La_mips_64_retval
+{
+  uint64_t lrv_v0;
+  uint64_t lrv_v1;
+  double lrv_f0;
+  double lrv_f2;
+} La_mips_64_retval;
+
+#endif
+
+__BEGIN_DECLS
+
+#if _MIPS_SIM == _ABIO32
+
+extern Elf32_Addr la_mips_o32_gnu_pltenter (Elf32_Sym *__sym, unsigned int __ndx,
+					    uintptr_t *__refcook,
+					    uintptr_t *__defcook,
+					    La_mips_32_regs *__regs,
+					    unsigned int *__flags,
+					    const char *__symname,
+					    long int *__framesizep);
+extern unsigned int la_mips_o32_gnu_pltexit (Elf32_Sym *__sym, unsigned int __ndx,
+					     uintptr_t *__refcook,
+					     uintptr_t *__defcook,
+					     const La_mips_32_regs *__inregs,
+					     La_mips_32_retval *__outregs,
+					     const char *symname);
+
+#elif _MIPS_SIM == _ABIN32
+
+extern Elf32_Addr la_mips_n32_gnu_pltenter (Elf32_Sym *__sym, unsigned int __ndx,
+					    uintptr_t *__refcook,
+					    uintptr_t *__defcook,
+					    La_mips_64_regs *__regs,
+					    unsigned int *__flags,
+					    const char *__symname,
+					    long int *__framesizep);
+extern unsigned int la_mips_n32_gnu_pltexit (Elf32_Sym *__sym, unsigned int __ndx,
+					     uintptr_t *__refcook,
+					     uintptr_t *__defcook,
+					     const La_mips_64_regs *__inregs,
+					     La_mips_64_retval *__outregs,
+					     const char *symname);
+
+#else
+
+extern Elf64_Addr la_mips_n64_gnu_pltenter (Elf64_Sym *__sym, unsigned int __ndx,
+					    uintptr_t *__refcook,
+					    uintptr_t *__defcook,
+					    La_mips_64_regs *__regs,
+					    unsigned int *__flags,
+					    const char *__symname,
+					    long int *__framesizep);
+extern unsigned int la_mips_n64_gnu_pltexit (Elf64_Sym *__sym, unsigned int __ndx,
+					     uintptr_t *__refcook,
+					     uintptr_t *__defcook,
+					     const La_mips_64_regs *__inregs,
+					     La_mips_64_retval *__outregs,
+					     const char *symname);
+
+#endif
+
+__END_DECLS
diff --git a/sysdeps/mips/bits/setjmp.h b/sysdeps/mips/bits/setjmp.h
index ec0aaa020d..2b42b22ba4 100644
--- a/sysdeps/mips/bits/setjmp.h
+++ b/sysdeps/mips/bits/setjmp.h
@@ -1,5 +1,5 @@
 /* Define the machine-dependent type `jmp_buf'.  MIPS version.
-   Copyright (C) 1992, 1993, 1995, 1997, 2000, 2002, 2003, 2004
+   Copyright (C) 1992, 1993, 1995, 1997, 2000, 2002, 2003, 2004, 2005
 	Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -18,7 +18,10 @@
    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA.  */
 
-#ifndef _SETJMP_H
+#ifndef _MIPS_BITS_SETJMP_H
+#define _MIPS_BITS_SETJMP_H 1
+
+#if !defined(_SETJMP_H) && !defined(_PTHREAD_H)
 # error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
 #endif
 
@@ -79,3 +82,5 @@ typedef struct
    containing a local variable at ADDRESS.  */
 #define _JMPBUF_UNWINDS(jmpbuf, address) \
   ((void *) (address) < (jmpbuf)[0].__sp)
+
+#endif /* _MIPS_BITS_SETJMP_H */
diff --git a/sysdeps/mips/dl-machine.h b/sysdeps/mips/dl-machine.h
index 0d87b65691..aa2cef83bc 100644
--- a/sysdeps/mips/dl-machine.h
+++ b/sysdeps/mips/dl-machine.h
@@ -1,5 +1,6 @@
 /* Machine-dependent ELF dynamic relocation inline functions.  MIPS version.
-   Copyright (C) 1996-2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+   Copyright (C) 1996-2001, 2002, 2003, 2004, 2005
+   Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Kazumoto Kojima <kkojima@info.kanagawa-u.ac.jp>.
 
@@ -34,6 +35,7 @@
 
 #include <sgidefs.h>
 #include <sys/asm.h>
+#include <dl-tls.h>
 
 /* The offset of gp from GOT might be system-dependent.  It's set by
    ld.  The same value is also */
@@ -188,248 +190,6 @@ do {									\
 } while(0)
 
 
-/* Get link map for callers object containing STUB_PC.  */
-static inline struct link_map *
-elf_machine_runtime_link_map (ElfW(Addr) gpreg, ElfW(Addr) stub_pc)
-{
-  extern int _dl_mips_gnu_objects;
-
-  /* got[1] is reserved to keep its link map address for the shared
-     object generated by the gnu linker.  If all are such objects, we
-     can find the link map from current GPREG simply.  If not so, get
-     the link map for caller's object containing STUB_PC.  */
-
-  if (_dl_mips_gnu_objects)
-    {
-      ElfW(Addr) *got = elf_mips_got_from_gpreg (gpreg);
-      ElfW(Word) g1;
-
-      g1 = ((ElfW(Word) *) got)[1];
-
-      if ((g1 & ELF_MIPS_GNU_GOT1_MASK) != 0)
-	{
-	  struct link_map *l =
-	    (struct link_map *) (g1 & ~ELF_MIPS_GNU_GOT1_MASK);
-	  ElfW(Addr) base, limit;
-	  const ElfW(Phdr) *p = l->l_phdr;
-	  ElfW(Half) this, nent = l->l_phnum;
-
-	  /* For the common case of a stub being called from the containing
-	     object, STUB_PC will point to somewhere within the object that
-	     is described by the link map fetched via got[1].  Otherwise we
-	     have to scan all maps.  */
-	  for (this = 0; this < nent; this++)
-	    {
-	      if (p[this].p_type == PT_LOAD)
-		{
-		  base = p[this].p_vaddr + l->l_addr;
-		  limit = base + p[this].p_memsz;
-		  if (stub_pc >= base && stub_pc < limit)
-		    return l;
-		}
-	    }
-	}
-    }
-
-    struct link_map *l;
-    Lmid_t nsid;
-
-    for (nsid = 0; nsid < DL_NNS; ++nsid)
-      for (l = GL(dl_ns)[nsid]._ns_loaded; l != NULL; l = l->l_next)
-	{
-	  ElfW(Addr) base, limit;
-	  const ElfW(Phdr) *p = l->l_phdr;
-	  ElfW(Half) this, nent = l->l_phnum;
-
-	  for (this = 0; this < nent; ++this)
-	    {
-	      if (p[this].p_type == PT_LOAD)
-		{
-		  base = p[this].p_vaddr + l->l_addr;
-		  limit = base + p[this].p_memsz;
-		  if (stub_pc >= base && stub_pc < limit)
-		    return l;
-		}
-	    }
-	}
-
-  _dl_signal_error (0, NULL, NULL, "cannot find runtime link map");
-  return NULL;
-}
-
-#if _MIPS_SIM == _ABIO32
-#define ELF_DL_FRAME_SIZE 40
-
-#define ELF_DL_SAVE_ARG_REGS "\
-	sw	$15, 36($29)\n						      \
-	sw	$4, 16($29)\n						      \
-	sw	$5, 20($29)\n						      \
-	sw	$6, 24($29)\n						      \
-	sw	$7, 28($29)\n						      \
-"
-
-#define ELF_DL_RESTORE_ARG_REGS "\
-	lw	$31, 36($29)\n						      \
-	lw	$4, 16($29)\n						      \
-	lw	$5, 20($29)\n						      \
-	lw	$6, 24($29)\n						      \
-	lw	$7, 28($29)\n						      \
-"
-
-#define IFABIO32(X) X
-
-#else /* _MIPS_SIM == _ABIN32 || _MIPS_SIM == _ABI64 */
-
-#define ELF_DL_FRAME_SIZE 80
-
-#define ELF_DL_SAVE_ARG_REGS "\
-	sd	$15, 72($29)\n						      \
-	sd	$4, 8($29)\n						      \
-	sd	$5, 16($29)\n						      \
-	sd	$6, 24($29)\n						      \
-	sd	$7, 32($29)\n						      \
-	sd	$8, 40($29)\n						      \
-	sd	$9, 48($29)\n						      \
-	sd	$10, 56($29)\n						      \
-	sd	$11, 64($29)\n						      \
-"
-
-#define ELF_DL_RESTORE_ARG_REGS "\
-	ld	$31, 72($29)\n						      \
-	ld	$4, 8($29)\n						      \
-	ld	$5, 16($29)\n						      \
-	ld	$6, 24($29)\n						      \
-	ld	$7, 32($29)\n						      \
-	ld	$8, 40($29)\n						      \
-	ld	$9, 48($29)\n						      \
-	ld	$10, 56($29)\n						      \
-	ld	$11, 64($29)\n						      \
-"
-
-#define IFABIO32(X)
-
-#endif
-
-/* Define mips specific runtime resolver. The function __dl_runtime_resolve
-   is called from assembler function _dl_runtime_resolve which converts
-   special argument registers t7 ($15) and t8 ($24):
-     t7  address to return to the caller of the function
-     t8  index for this function symbol in .dynsym
-   to usual c arguments.
-
-   Other architectures call fixup from dl-runtime.c in
-   _dl_runtime_resolve.  MIPS instead calls __dl_runtime_resolve.  We
-   have to use our own version because of the way the got section is
-   treated on MIPS (we've also got ELF_MACHINE_PLT defined).  */
-
-#define ELF_MACHINE_RUNTIME_TRAMPOLINE					      \
-/* The flag _dl_mips_gnu_objects is set if all dynamic objects are	      \
-   generated by the gnu linker. */					      \
-int _dl_mips_gnu_objects = 1;						      \
-									      \
-/* This is called from assembly stubs below which the compiler can't see.  */ \
-static ElfW(Addr)							      \
-__dl_runtime_resolve (ElfW(Word), ElfW(Word), ElfW(Addr), ElfW(Addr))	      \
-		  __attribute_used__;					      \
-									      \
-static ElfW(Addr)							      \
-__dl_runtime_resolve (ElfW(Word) sym_index,				      \
-		      ElfW(Word) return_address,			      \
-		      ElfW(Addr) old_gpreg,				      \
-		      ElfW(Addr) stub_pc)				      \
-{									      \
-  struct link_map *l = elf_machine_runtime_link_map (old_gpreg, stub_pc);     \
-  const ElfW(Sym) *const symtab						      \
-    = (const ElfW(Sym) *) D_PTR (l, l_info[DT_SYMTAB]);			      \
-  const char *strtab = (const void *) D_PTR (l, l_info[DT_STRTAB]);	      \
-  ElfW(Addr) *got							      \
-    = (ElfW(Addr) *) D_PTR (l, l_info[DT_PLTGOT]);			      \
-  const ElfW(Word) local_gotno						      \
-    = (const ElfW(Word)) l->l_info[DT_MIPS (LOCAL_GOTNO)]->d_un.d_val;	      \
-  const ElfW(Word) gotsym						      \
-    = (const ElfW(Word)) l->l_info[DT_MIPS (GOTSYM)]->d_un.d_val;	      \
-  const ElfW(Sym) *sym = &symtab[sym_index];				      \
-  ElfW(Addr) value;							      \
-									      \
-  /* FIXME: The symbol versioning stuff is not tested yet.  */		      \
-  if (__builtin_expect (ELFW(ST_VISIBILITY) (sym->st_other), 0) == 0)	      \
-    {									      \
-      switch (l->l_info[VERSYMIDX (DT_VERSYM)] != NULL)			      \
-	{								      \
-	default:							      \
-	  {								      \
-	    const ElfW(Half) *vernum =					      \
-	      (const void *) D_PTR (l, l_info[VERSYMIDX (DT_VERSYM)]);	      \
-	    ElfW(Half) ndx = vernum[sym_index] & 0x7fff;		      \
-	    const struct r_found_version *version = &l->l_versions[ndx];      \
-									      \
-	    if (version->hash != 0)					      \
-	      {								      \
-		value = _dl_lookup_symbol_x (strtab + sym->st_name, l, 	      \
-					     &sym, l->l_scope, version,	      \
-					     ELF_RTYPE_CLASS_PLT, 0, 0);      \
-		break;							      \
-	      }								      \
-	    /* Fall through.  */					      \
-	  }								      \
-	case 0:								      \
-	  value = _dl_lookup_symbol_x (strtab + sym->st_name, l, &sym,	      \
-				       l->l_scope, 0, ELF_RTYPE_CLASS_PLT,    \
-				       DL_LOOKUP_ADD_DEPENDENCY, 0);	      \
-	}								      \
-									      \
-      /* Currently value contains the base load address of the object	      \
-	 that defines sym.  Now add in the symbol offset.  */		      \
-      value = (sym ? value + sym->st_value : 0);			      \
-    }									      \
-  else									      \
-    /* We already found the symbol.  The module (and therefore its load	      \
-       address) is also known.  */					      \
-    value = l->l_addr + sym->st_value;					      \
-									      \
-  /* Apply the relocation with that value.  */				      \
-  *(got + local_gotno + sym_index - gotsym) = value;			      \
-									      \
-  return value;								      \
-}									      \
-									      \
-asm ("\n								      \
-	.text\n								      \
-	.align	2\n							      \
-	.globl	_dl_runtime_resolve\n					      \
-	.type	_dl_runtime_resolve,@function\n				      \
-	.ent	_dl_runtime_resolve\n					      \
-_dl_runtime_resolve:\n							      \
-	.frame	$29, " STRINGXP(ELF_DL_FRAME_SIZE) ", $31\n		      \
-	.set noreorder\n						      \
-	# Save GP.\n							      \
-	move	$3, $28\n						      \
-	# Save arguments and sp value in stack.\n			      \
-	" STRINGXP(PTR_SUBIU) "  $29, " STRINGXP(ELF_DL_FRAME_SIZE) "\n	      \
-	# Modify t9 ($25) so as to point .cpload instruction.\n		      \
-	" IFABIO32(STRINGXP(PTR_ADDIU) "	$25, 12\n") "		      \
-	# Compute GP.\n							      \
-	" STRINGXP(SETUP_GP) "\n					      \
-	" STRINGXV(SETUP_GP64 (0, _dl_runtime_resolve)) "\n		      \
-	.set reorder\n							      \
-	# Save slot call pc.\n						      \
-	move	$2, $31\n						      \
-	" IFABIO32(STRINGXP(CPRESTORE(32))) "\n				      \
-	" ELF_DL_SAVE_ARG_REGS "					      \
-	move	$4, $24\n						      \
-	move	$5, $15\n						      \
-	move	$6, $3\n						      \
-	move	$7, $2\n						      \
-	jal	__dl_runtime_resolve\n					      \
-	" ELF_DL_RESTORE_ARG_REGS "					      \
-	" STRINGXP(RESTORE_GP64) "\n					      \
-	" STRINGXP(PTR_ADDIU) "	$29, " STRINGXP(ELF_DL_FRAME_SIZE) "\n	      \
-	move	$25, $2\n						      \
-	jr	$25\n							      \
-	.end	_dl_runtime_resolve\n					      \
-	.previous\n							      \
-");
-
 /* Mask identifying addresses reserved for the user program,
    where the dynamic linker should not map anything.  */
 #define ELF_MACHINE_USER_ADDRESS_MASK	0x80000000UL
@@ -451,8 +211,8 @@ _dl_runtime_resolve:\n							      \
       and not just plain _start.  */
 
 #define RTLD_START asm (\
-	".text\n"\
-	_RTLD_PROLOGUE(ENTRY_POINT) "\
+	".text\n\
+	" _RTLD_PROLOGUE(ENTRY_POINT) "\
 	" STRINGXV(SETUP_GPX($25)) "\n\
 	" STRINGXV(SETUP_GPX64($18,$25)) "\n\
 	# i386 ABI book says that the first entry of GOT holds\n\
@@ -475,10 +235,10 @@ _dl_runtime_resolve:\n							      \
 	" STRINGXP(PTR_ADDIU) " $29, 16\n\
 	# Get the value of label '_dl_start_user' in t9 ($25).\n\
 	" STRINGXP(PTR_LA) " $25, _dl_start_user\n\
-	.globl _dl_start_user\n\
-	.type _dl_start_user,@function\n\
-	.aent _dl_start_user\n\
-_dl_start_user:\n\
+	" _RTLD_EPILOGUE(ENTRY_POINT) "\
+	\n\
+	\n\
+	" _RTLD_PROLOGUE(_dl_start_user) "\
 	" STRINGXP(SETUP_GP) "\n\
 	" STRINGXV(SETUP_GP64($18,_dl_start_user)) "\n\
 	move $16, $28\n\
@@ -504,34 +264,48 @@ _dl_start_user:\n\
 	sll $7, $5, " STRINGXP (PTRLOG) "\n\
 	" STRINGXP(PTR_ADDU) " $7, $7, $6\n\
 	" STRINGXP(PTR_ADDU) " $7, $7, " STRINGXP (PTRSIZE) " \n\
-	" STRINGXP(PTR_SUBIU) " $29, 32\n\
+	# Make sure the stack pointer is aligned for _dl_init_internal.\n\
+	and $2, $29, -2 * " STRINGXP(SZREG) "\n\
+	" STRINGXP(PTR_S) " $29, -4($2)\n\
+	" STRINGXP(PTR_SUBIU) " $29, $2, 32\n\
 	" STRINGXP(SAVE_GP(16)) "\n\
 	# Call the function to run the initializers.\n\
 	jal _dl_init_internal\n\
-	" STRINGXP(PTR_ADDIU)  " $29, 32\n\
+	# Restore the stack pointer for _start.\n\
+	" STRINGXP(PTR_L)  " $29, 28($29)\n\
 	# Pass our finalizer function to the user in $2 as per ELF ABI.\n\
 	" STRINGXP(PTR_LA) " $2, _dl_fini\n\
 	# Jump to the user entry point.\n\
 	move $25, $17\n\
 	jr $25\n\t"\
-	_RTLD_EPILOGUE(ENTRY_POINT)\
+	_RTLD_EPILOGUE(_dl_start_user)\
 	".previous"\
 );
 
 /* The MIPS never uses Elfxx_Rela relocations.  */
 #define ELF_MACHINE_NO_RELA 1
 
+/* Names of the architecture-specific auditing callback functions.  */
+# if _MIPS_SIM == _ABIO32
+#  define ARCH_LA_PLTENTER mips_o32_gnu_pltenter
+#  define ARCH_LA_PLTEXIT mips_o32_gnu_pltexit
+# elif _MIPS_SIM == _ABIN32
+#  define ARCH_LA_PLTENTER mips_n32_gnu_pltenter
+#  define ARCH_LA_PLTEXIT mips_n32_gnu_pltexit
+# else
+#  define ARCH_LA_PLTENTER mips_n64_gnu_pltenter
+#  define ARCH_LA_PLTEXIT mips_n64_gnu_pltexit
+# endif
+
 #endif /* !dl_machine_h */
 
-#ifdef RESOLVE
+#ifdef RESOLVE_MAP
 
 /* Perform the relocation specified by RELOC and SYM (which is fully resolved).
    MAP is the object containing the reloc.  */
 
-static inline void
-#ifdef RTLD_BOOTSTRAP
-  __attribute__ ((always_inline))
-#endif
+auto inline void
+__attribute__ ((always_inline))
 elf_machine_rel (struct link_map *map, const ElfW(Rel) *reloc,
 		 const ElfW(Sym) *sym, const struct r_found_version *version,
 		 void *const reloc_addr)
@@ -550,6 +324,47 @@ elf_machine_rel (struct link_map *map, const ElfW(Rel) *reloc,
 
   switch (r_type)
     {
+#if defined (USE_TLS) && !defined (RTLD_BOOTSTRAP)
+# if _MIPS_SIM == _ABI64
+    case R_MIPS_TLS_DTPMOD64:
+    case R_MIPS_TLS_DTPREL64:
+    case R_MIPS_TLS_TPREL64:
+# else
+    case R_MIPS_TLS_DTPMOD32:
+    case R_MIPS_TLS_DTPREL32:
+    case R_MIPS_TLS_TPREL32:
+# endif
+      {
+	struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
+	Elf32_Addr value = sym == NULL ? 0 : sym_map->l_addr + sym->st_value;
+
+	if (sym)
+	  value += sym->st_value;
+
+	switch (r_type)
+	  {
+	  case R_MIPS_TLS_DTPMOD64:
+	  case R_MIPS_TLS_DTPMOD32:
+	    if (sym_map)
+	      *(ElfW(Word) *)reloc_addr = sym_map->l_tls_modid;
+	    break;
+
+	  case R_MIPS_TLS_DTPREL64:
+	  case R_MIPS_TLS_DTPREL32:
+	    *(ElfW(Word) *)reloc_addr += TLS_DTPREL_VALUE (sym);
+	    break;
+
+	  case R_MIPS_TLS_TPREL32:
+	  case R_MIPS_TLS_TPREL64:
+	    CHECK_STATIC_TLS (map, sym_map);
+	    *(ElfW(Word) *)reloc_addr += TLS_TPREL_VALUE (sym_map, sym);
+	    break;
+	  }
+
+	break;
+      }
+#endif
+
 #if _MIPS_SIM == _ABI64
     case (R_MIPS_64 << 8) | R_MIPS_REL32:
 #else
@@ -635,23 +450,41 @@ elf_machine_rel (struct link_map *map, const ElfW(Rel) *reloc,
     }
 }
 
-static inline void
+auto inline void
+__attribute__((always_inline))
 elf_machine_rel_relative (ElfW(Addr) l_addr, const ElfW(Rel) *reloc,
 			  void *const reloc_addr)
 {
   /* XXX Nothing to do.  There is no relative relocation, right?  */
 }
 
-static inline void
+auto inline void
+__attribute__((always_inline))
 elf_machine_lazy_rel (struct link_map *map,
 		      ElfW(Addr) l_addr, const ElfW(Rel) *reloc)
 {
   /* Do nothing.  */
 }
 
+auto inline void
+__attribute__ ((always_inline))
+elf_machine_rela (struct link_map *map, const ElfW(Rela) *reloc,
+		  const ElfW(Sym) *sym, const struct r_found_version *version,
+		 void *const reloc_addr)
+{
+}
+
+auto inline void
+__attribute__((always_inline))
+elf_machine_rela_relative (ElfW(Addr) l_addr, const ElfW(Rela) *reloc,
+			   void *const reloc_addr)
+{
+}
+
 #ifndef RTLD_BOOTSTRAP
 /* Relocate GOT. */
-static inline void
+auto inline void
+__attribute__((always_inline))
 elf_machine_got_rel (struct link_map *map, int lazy)
 {
   ElfW(Addr) *got;
@@ -664,9 +497,9 @@ elf_machine_got_rel (struct link_map *map, int lazy)
       const ElfW(Sym) *ref = sym;					  \
       const struct r_found_version *version				  \
         = vernum ? &map->l_versions[vernum[sym_index] & 0x7fff] : NULL;	  \
-      ElfW(Addr) value;							  \
-      value = RESOLVE (&ref, version, R_MIPS_REL32);			  \
-      (ref)? value + ref->st_value: 0;					  \
+      struct link_map *sym_map;						  \
+      sym_map = RESOLVE_MAP (&ref, version, R_MIPS_REL32);		  \
+      ref ? sym_map->l_addr + ref->st_value : 0;			  \
     })
 
   if (map->l_info[VERSYMIDX (DT_VERSYM)] != NULL)
@@ -738,7 +571,8 @@ elf_machine_got_rel (struct link_map *map, int lazy)
 /* Set up the loaded object described by L so its stub function
    will jump to the on-demand fixup code __dl_runtime_resolve.  */
 
-static inline int
+auto inline int
+__attribute__((always_inline))
 elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
 {
 # ifndef RTLD_BOOTSTRAP
@@ -774,4 +608,4 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
   return lazy;
 }
 
-#endif /* RESOLVE */
+#endif /* RESOLVE_MAP */
diff --git a/sysdeps/mips/dl-tls.h b/sysdeps/mips/dl-tls.h
new file mode 100644
index 0000000000..6d3ed6f5a4
--- /dev/null
+++ b/sysdeps/mips/dl-tls.h
@@ -0,0 +1,46 @@
+/* Thread-local storage handling in the ELF dynamic linker.  MIPS version.
+   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.  */
+
+
+/* Type used for the representation of TLS information in the GOT.  */
+typedef struct
+{
+  unsigned long int ti_module;
+  unsigned long int ti_offset;
+} tls_index;
+
+/* The thread pointer points 0x7000 past the first static TLS block.  */
+#define TLS_TP_OFFSET		0x7000
+
+/* Dynamic thread vector pointers point 0x8000 past the start of each
+   TLS block.  */
+#define TLS_DTV_OFFSET		0x8000
+
+/* Compute the value for a GOTTPREL reloc.  */
+#define TLS_TPREL_VALUE(sym_map, sym) \
+  ((sym_map)->l_tls_offset + (sym)->st_value - TLS_TP_OFFSET)
+
+/* Compute the value for a DTPREL reloc.  */
+#define TLS_DTPREL_VALUE(sym) \
+  ((sym)->st_value - TLS_DTV_OFFSET)
+
+extern void *__tls_get_addr (tls_index *ti);
+
+# define GET_ADDR_OFFSET	(ti->ti_offset + TLS_DTV_OFFSET)
+# define __TLS_GET_ADDR(__ti)	(__tls_get_addr (__ti) - TLS_DTV_OFFSET)
diff --git a/sysdeps/mips/dl-trampoline.c b/sysdeps/mips/dl-trampoline.c
new file mode 100644
index 0000000000..459adf9a8e
--- /dev/null
+++ b/sysdeps/mips/dl-trampoline.c
@@ -0,0 +1,272 @@
+/* PLT trampoline.  MIPS version.
+   Copyright (C) 1996-2001, 2002, 2003, 2004, 2005
+   Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Kazumoto Kojima <kkojima@info.kanagawa-u.ac.jp>.
+
+   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.  */
+
+/*  FIXME: Profiling of shared libraries is not implemented yet.  */
+
+#include <sysdep.h>
+#include <link.h>
+#include <elf.h>
+#include <ldsodefs.h>
+#include <dl-machine.h>
+
+/* Get link map for callers object containing STUB_PC.  */
+static inline struct link_map *
+elf_machine_runtime_link_map (ElfW(Addr) gpreg, ElfW(Addr) stub_pc)
+{
+  extern int _dl_mips_gnu_objects;
+
+  /* got[1] is reserved to keep its link map address for the shared
+     object generated by the gnu linker.  If all are such objects, we
+     can find the link map from current GPREG simply.  If not so, get
+     the link map for caller's object containing STUB_PC.  */
+
+  if (_dl_mips_gnu_objects)
+    {
+      ElfW(Addr) *got = elf_mips_got_from_gpreg (gpreg);
+      ElfW(Word) g1;
+
+      g1 = ((ElfW(Word) *) got)[1];
+
+      if ((g1 & ELF_MIPS_GNU_GOT1_MASK) != 0)
+	{
+	  struct link_map *l =
+	    (struct link_map *) (g1 & ~ELF_MIPS_GNU_GOT1_MASK);
+	  ElfW(Addr) base, limit;
+	  const ElfW(Phdr) *p = l->l_phdr;
+	  ElfW(Half) this, nent = l->l_phnum;
+
+	  /* For the common case of a stub being called from the containing
+	     object, STUB_PC will point to somewhere within the object that
+	     is described by the link map fetched via got[1].  Otherwise we
+	     have to scan all maps.  */
+	  for (this = 0; this < nent; this++)
+	    {
+	      if (p[this].p_type == PT_LOAD)
+		{
+		  base = p[this].p_vaddr + l->l_addr;
+		  limit = base + p[this].p_memsz;
+		  if (stub_pc >= base && stub_pc < limit)
+		    return l;
+		}
+	    }
+	}
+    }
+
+    struct link_map *l;
+    Lmid_t nsid;
+
+    for (nsid = 0; nsid < DL_NNS; ++nsid)
+      for (l = GL(dl_ns)[nsid]._ns_loaded; l != NULL; l = l->l_next)
+	{
+	  ElfW(Addr) base, limit;
+	  const ElfW(Phdr) *p = l->l_phdr;
+	  ElfW(Half) this, nent = l->l_phnum;
+
+	  for (this = 0; this < nent; ++this)
+	    {
+	      if (p[this].p_type == PT_LOAD)
+		{
+		  base = p[this].p_vaddr + l->l_addr;
+		  limit = base + p[this].p_memsz;
+		  if (stub_pc >= base && stub_pc < limit)
+		    return l;
+		}
+	    }
+	}
+
+  _dl_signal_error (0, NULL, NULL, "cannot find runtime link map");
+  return NULL;
+}
+
+/* Define mips specific runtime resolver. The function __dl_runtime_resolve
+   is called from assembler function _dl_runtime_resolve which converts
+   special argument registers t7 ($15) and t8 ($24):
+     t7  address to return to the caller of the function
+     t8  index for this function symbol in .dynsym
+   to usual c arguments.
+
+   Other architectures call fixup from dl-runtime.c in
+   _dl_runtime_resolve.  MIPS instead calls __dl_runtime_resolve.  We
+   have to use our own version because of the way the got section is
+   treated on MIPS (we've also got ELF_MACHINE_PLT defined).  */
+
+/* The flag _dl_mips_gnu_objects is set if all dynamic objects are
+   generated by the gnu linker. */
+int _dl_mips_gnu_objects = 1;
+
+#define VERSYMIDX(sym)  (DT_NUM + DT_THISPROCNUM + DT_VERSIONTAGIDX (sym))
+
+/* This is called from assembly stubs below which the compiler can't see.  */
+static ElfW(Addr)
+__dl_runtime_resolve (ElfW(Word), ElfW(Word), ElfW(Addr), ElfW(Addr))
+		  __attribute_used__;
+
+static ElfW(Addr)
+__dl_runtime_resolve (ElfW(Word) sym_index,
+		      ElfW(Word) return_address,
+		      ElfW(Addr) old_gpreg,
+		      ElfW(Addr) stub_pc)
+{
+  struct link_map *l = elf_machine_runtime_link_map (old_gpreg, stub_pc);
+  const ElfW(Sym) *const symtab
+    = (const ElfW(Sym) *) D_PTR (l, l_info[DT_SYMTAB]);
+  const char *strtab = (const void *) D_PTR (l, l_info[DT_STRTAB]);
+  ElfW(Addr) *got
+    = (ElfW(Addr) *) D_PTR (l, l_info[DT_PLTGOT]);
+  const ElfW(Word) local_gotno
+    = (const ElfW(Word)) l->l_info[DT_MIPS (LOCAL_GOTNO)]->d_un.d_val;
+  const ElfW(Word) gotsym
+    = (const ElfW(Word)) l->l_info[DT_MIPS (GOTSYM)]->d_un.d_val;
+  const ElfW(Sym) *sym = &symtab[sym_index];
+  struct link_map *sym_map;
+  ElfW(Addr) value;
+
+  /* FIXME: The symbol versioning stuff is not tested yet.  */
+  if (__builtin_expect (ELFW(ST_VISIBILITY) (sym->st_other), 0) == 0)
+    {
+      switch (l->l_info[VERSYMIDX (DT_VERSYM)] != NULL)
+	{
+	default:
+	  {
+	    const ElfW(Half) *vernum =
+	      (const void *) D_PTR (l, l_info[VERSYMIDX (DT_VERSYM)]);
+	    ElfW(Half) ndx = vernum[sym_index] & 0x7fff;
+	    const struct r_found_version *version = &l->l_versions[ndx];
+
+	    if (version->hash != 0)
+	      {
+		sym_map = _dl_lookup_symbol_x (strtab + sym->st_name, l,
+					       &sym, l->l_scope, version,
+					       ELF_RTYPE_CLASS_PLT, 0, 0);
+		break;
+	      }
+	    /* Fall through.  */
+	  }
+	case 0:
+	  sym_map = _dl_lookup_symbol_x (strtab + sym->st_name, l, &sym,
+					 l->l_scope, 0, ELF_RTYPE_CLASS_PLT,
+					 DL_LOOKUP_ADD_DEPENDENCY, 0);
+	}
+
+      /* Currently value contains the base load address of the object
+	 that defines sym.  Now add in the symbol offset.  */
+      value = (sym ? sym_map->l_addr + sym->st_value : 0);
+    }
+  else
+    /* We already found the symbol.  The module (and therefore its load
+       address) is also known.  */
+    value = l->l_addr + sym->st_value;
+
+  /* Apply the relocation with that value.  */
+  *(got + local_gotno + sym_index - gotsym) = value;
+
+  return value;
+}
+
+#if _MIPS_SIM == _ABIO32
+#define ELF_DL_FRAME_SIZE 40
+
+#define ELF_DL_SAVE_ARG_REGS "\
+	sw	$15, 36($29)\n						      \
+	sw	$4, 16($29)\n						      \
+	sw	$5, 20($29)\n						      \
+	sw	$6, 24($29)\n						      \
+	sw	$7, 28($29)\n						      \
+"
+
+#define ELF_DL_RESTORE_ARG_REGS "\
+	lw	$31, 36($29)\n						      \
+	lw	$4, 16($29)\n						      \
+	lw	$5, 20($29)\n						      \
+	lw	$6, 24($29)\n						      \
+	lw	$7, 28($29)\n						      \
+"
+
+#define IFABIO32(X) X
+
+#else /* _MIPS_SIM == _ABIN32 || _MIPS_SIM == _ABI64 */
+
+#define ELF_DL_FRAME_SIZE 80
+
+#define ELF_DL_SAVE_ARG_REGS "\
+	sd	$15, 72($29)\n						      \
+	sd	$4, 8($29)\n						      \
+	sd	$5, 16($29)\n						      \
+	sd	$6, 24($29)\n						      \
+	sd	$7, 32($29)\n						      \
+	sd	$8, 40($29)\n						      \
+	sd	$9, 48($29)\n						      \
+	sd	$10, 56($29)\n						      \
+	sd	$11, 64($29)\n						      \
+"
+
+#define ELF_DL_RESTORE_ARG_REGS "\
+	ld	$31, 72($29)\n						      \
+	ld	$4, 8($29)\n						      \
+	ld	$5, 16($29)\n						      \
+	ld	$6, 24($29)\n						      \
+	ld	$7, 32($29)\n						      \
+	ld	$8, 40($29)\n						      \
+	ld	$9, 48($29)\n						      \
+	ld	$10, 56($29)\n						      \
+	ld	$11, 64($29)\n						      \
+"
+
+#define IFABIO32(X)
+
+#endif
+
+asm ("\n\
+	.text\n\
+	.align	2\n\
+	.globl	_dl_runtime_resolve\n\
+	.type	_dl_runtime_resolve,@function\n\
+	.ent	_dl_runtime_resolve\n\
+_dl_runtime_resolve:\n\
+	.frame	$29, " STRINGXP(ELF_DL_FRAME_SIZE) ", $31\n\
+	.set noreorder\n\
+	# Save GP.\n\
+	move	$3, $28\n\
+	# Save arguments and sp value in stack.\n\
+	" STRINGXP(PTR_SUBIU) "  $29, " STRINGXP(ELF_DL_FRAME_SIZE) "\n\
+	# Modify t9 ($25) so as to point .cpload instruction.\n\
+	" IFABIO32(STRINGXP(PTR_ADDIU) "	$25, 12\n") "\
+	# Compute GP.\n\
+	" STRINGXP(SETUP_GP) "\n\
+	" STRINGXV(SETUP_GP64 (0, _dl_runtime_resolve)) "\n\
+	.set reorder\n\
+	# Save slot call pc.\n\
+	move	$2, $31\n\
+	" IFABIO32(STRINGXP(CPRESTORE(32))) "\n\
+	" ELF_DL_SAVE_ARG_REGS "\
+	move	$4, $24\n\
+	move	$5, $15\n\
+	move	$6, $3\n\
+	move	$7, $2\n\
+	jal	__dl_runtime_resolve\n\
+	" ELF_DL_RESTORE_ARG_REGS "\
+	" STRINGXP(RESTORE_GP64) "\n\
+	" STRINGXP(PTR_ADDIU) "	$29, " STRINGXP(ELF_DL_FRAME_SIZE) "\n\
+	move	$25, $2\n\
+	jr	$25\n\
+	.end	_dl_runtime_resolve\n\
+	.previous\n\
+");
diff --git a/sysdeps/mips/elf/configure b/sysdeps/mips/elf/configure
new file mode 100644
index 0000000000..3d90a1e420
--- /dev/null
+++ b/sysdeps/mips/elf/configure
@@ -0,0 +1,46 @@
+# This file is generated from configure.in by Autoconf.  DO NOT EDIT!
+ # Local configure fragment for sysdeps/mips/elf.
+
+if test "$usetls" != no; then
+# Check for support of thread-local storage handling in assembler and
+# linker.
+echo "$as_me:$LINENO: checking for MIPS TLS support" >&5
+echo $ECHO_N "checking for MIPS TLS support... $ECHO_C" >&6
+if test "${libc_cv_mips_tls+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat > conftest.s <<\EOF
+	.section ".tdata", "awT", %progbits
+	.globl foo
+foo:	.long	1
+	.section ".tbss", "awT", %nobits
+	.globl bar
+bar:	.skip	4
+	.text
+
+	lw	$25, %call16(__tls_get_addr)($28)
+	jalr	$25
+	addiu	$4, $28, %tlsgd(x)
+EOF
+if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  libc_cv_mips_tls=yes
+else
+  libc_cv_mips_tls=no
+fi
+rm -f conftest*
+fi
+echo "$as_me:$LINENO: result: $libc_cv_mips_tls" >&5
+echo "${ECHO_T}$libc_cv_mips_tls" >&6
+if test $libc_cv_mips_tls = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define HAVE_TLS_SUPPORT 1
+_ACEOF
+
+fi
+fi
+
diff --git a/sysdeps/mips/elf/configure.in b/sysdeps/mips/elf/configure.in
new file mode 100644
index 0000000000..ecb9108c12
--- /dev/null
+++ b/sysdeps/mips/elf/configure.in
@@ -0,0 +1,35 @@
+GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
+# Local configure fragment for sysdeps/mips/elf.
+
+if test "$usetls" != no; then
+# Check for support of thread-local storage handling in assembler and
+# linker.
+AC_CACHE_CHECK(for MIPS TLS support, libc_cv_mips_tls, [dnl
+cat > conftest.s <<\EOF
+	.section ".tdata", "awT", %progbits
+	.globl foo
+foo:	.long	1
+	.section ".tbss", "awT", %nobits
+	.globl bar
+bar:	.skip	4
+	.text
+
+	lw	$25, %call16(__tls_get_addr)($28)
+	jalr	$25
+	addiu	$4, $28, %tlsgd(x) 
+EOF
+dnl
+if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD); then
+  libc_cv_mips_tls=yes
+else
+  libc_cv_mips_tls=no
+fi
+rm -f conftest*])
+if test $libc_cv_mips_tls = yes; then
+  AC_DEFINE(HAVE_TLS_SUPPORT)
+fi
+fi
+
+dnl No MIPS GCC supports accessing static and hidden symbols in an
+dnl position independent way.
+dnl AC_DEFINE(PI_STATIC_AND_HIDDEN)
diff --git a/sysdeps/mips/libc-tls.c b/sysdeps/mips/libc-tls.c
new file mode 100644
index 0000000000..157ba3389a
--- /dev/null
+++ b/sysdeps/mips/libc-tls.c
@@ -0,0 +1,37 @@
+/* Thread-local storage handling in the ELF dynamic linker.  MIPS version.
+   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.  */
+
+#include <sysdeps/generic/libc-tls.c>
+#include <dl-tls.h>
+
+#if USE_TLS
+
+/* On MIPS, linker optimizations are not required, so __tls_get_addr
+   can be called even in statically linked binaries.  In this case module
+   must be always 1 and PT_TLS segment exist in the binary, otherwise it
+   would not link.  */
+
+void *
+__tls_get_addr (tls_index *ti)
+{
+  dtv_t *dtv = THREAD_DTV ();
+  return (char *) dtv[1].pointer.val + GET_ADDR_OFFSET;
+}
+
+#endif
diff --git a/sysdeps/mips/sys/asm.h b/sysdeps/mips/sys/asm.h
index b04c36ba5e..b590802fd9 100644
--- a/sysdeps/mips/sys/asm.h
+++ b/sysdeps/mips/sys/asm.h
@@ -1,4 +1,5 @@
-/* Copyright (C) 1997, 1998, 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 2002, 2003, 2004, 2005
+   Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ralf Baechle <ralf@gnu.org>.
 
@@ -470,4 +471,20 @@ symbol		=	value
 # define MTC0	dmtc0
 #endif
 
+/* The MIPS archtectures do not have a uniform memory model.  Particular
+   platforms may provide additional guarantees - for instance, the R4000
+   LL and SC instructions implicitly perform a SYNC, and the 4K promises
+   strong ordering.
+
+   However, in the absence of those guarantees, we must assume weak ordering
+   and SYNC explicitly where necessary.
+
+   Some obsolete MIPS processors may not support the SYNC instruction.  This
+   applies to "true" MIPS I processors; most of the processors which compile
+   using MIPS I implement parts of MIPS II.  */
+
+#ifndef MIPS_SYNC
+# define MIPS_SYNC	sync
+#endif
+
 #endif /* sys/asm.h */
diff --git a/sysdeps/mips/tls-macros.h b/sysdeps/mips/tls-macros.h
new file mode 100644
index 0000000000..2d0516b3e4
--- /dev/null
+++ b/sysdeps/mips/tls-macros.h
@@ -0,0 +1,88 @@
+/* Macros to support TLS testing in times of missing compiler support.  */
+
+#if _MIPS_SIM != _ABI64
+
+/* These versions are for o32 and n32.  */
+
+# define TLS_GD(x)					\
+  ({ void *__result;					\
+     extern void *__tls_get_addr (void *);		\
+     asm ("addiu %0, $28, %%tlsgd(" #x ")"		\
+	  : "=r" (__result));				\
+     (int *)__tls_get_addr (__result); })
+#else
+# define TLS_GD(x)					\
+  ({ void *__result;					\
+     extern void *__tls_get_addr (void *);		\
+     asm ("daddiu %0, $28, %%tlsgd(" #x ")"		\
+	  : "=r" (__result));				\
+     (int *)__tls_get_addr (__result); })
+#endif
+
+#if _MIPS_SIM != _ABI64
+# define TLS_LD(x)					\
+  ({ void *__result;					\
+     extern void *__tls_get_addr (void *);		\
+     asm ("addiu %0, $28, %%tlsldm(" #x ")"		\
+	  : "=r" (__result));				\
+     __result = __tls_get_addr (__result);		\
+     asm ("lui $3,%%dtprel_hi(" #x ")\n\t"		\
+	  "addiu $3,$3,%%dtprel_lo(" #x ")\n\t"		\
+	  "addu %0,%0,$3"				\
+	  : "+r" (__result) : : "$3");			\
+     __result; })
+# define TLS_IE(x)					\
+  ({ void *__result;					\
+     asm (".set push\n\t.set mips32r2\n\t"		\
+	  "rdhwr\t%0,$29\n\t.set pop"			\
+	  : "=v" (__result));				\
+     asm ("lw $3,%%gottprel(" #x ")($28)\n\t"		\
+	  "addu %0,%0,$3"				\
+	  : "+r" (__result) : : "$3");			\
+     __result; })
+# define TLS_LE(x)					\
+  ({ void *__result;					\
+     asm (".set push\n\t.set mips32r2\n\t"		\
+	  "rdhwr\t%0,$29\n\t.set pop"			\
+	  : "=v" (__result));				\
+     asm ("lui $3,%%tprel_hi(" #x ")\n\t"		\
+	  "addiu $3,$3,%%tprel_lo(" #x ")\n\t"		\
+	  "addu %0,%0,$3"				\
+	  : "+r" (__result) : : "$3");			\
+     __result; })
+
+#else
+
+/* These versions are for n64.  */
+
+# define TLS_LD(x)					\
+  ({ void *__result;					\
+     extern void *__tls_get_addr (void *);		\
+     asm ("daddiu %0, $28, %%tlsldm(" #x ")"		\
+	  : "=r" (__result));				\
+     __result = __tls_get_addr (__result);		\
+     asm ("lui $3,%%dtprel_hi(" #x ")\n\t"		\
+	  "daddiu $3,$3,%%dtprel_lo(" #x ")\n\t"	\
+	  "daddu %0,%0,$3"				\
+	  : "+r" (__result) : : "$3");			\
+     __result; })
+# define TLS_IE(x)					\
+  ({ void *__result;					\
+     asm (".set push\n\t.set mips32r2\n\t"		\
+	  "rdhwr\t%0,$29\n\t.set pop"			\
+	  : "=v" (__result));				\
+     asm ("ld $3,%%gottprel(" #x ")($28)\n\t"		\
+	  "daddu %0,%0,$3"				\
+	  : "+r" (__result) : : "$3");			\
+     __result; })
+# define TLS_LE(x)					\
+  ({ void *__result;					\
+     asm (".set push\n\t.set mips32r2\n\t"		\
+	  "rdhwr\t%0,$29\n\t.set pop"			\
+	  : "=v" (__result));				\
+     asm ("lui $3,%%tprel_hi(" #x ")\n\t"		\
+	  "daddiu $3,$3,%%tprel_lo(" #x ")\n\t"		\
+	  "daddu %0,%0,$3"				\
+	  : "+r" (__result) : : "$3");			\
+     __result; })
+#endif