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-rw-r--r--ChangeLog14
-rw-r--r--elf/elf.h15
-rw-r--r--elf/rtld.c2
-rw-r--r--elf/tls-macros.h78
-rw-r--r--linuxthreads/ChangeLog7
-rw-r--r--linuxthreads/manager.c7
-rw-r--r--linuxthreads/sysdeps/i386/useldt.h3
-rw-r--r--linuxthreads/sysdeps/sh/pt-machine.h11
-rw-r--r--linuxthreads/sysdeps/sh/tls.h111
-rw-r--r--sysdeps/generic/dl-tls.c2
-rw-r--r--sysdeps/i386/dl-machine.h2
-rw-r--r--sysdeps/sh/dl-lookupcfg.h28
-rw-r--r--sysdeps/sh/dl-machine.h67
-rw-r--r--sysdeps/sh/dl-tls.h30
14 files changed, 364 insertions, 13 deletions
diff --git a/ChangeLog b/ChangeLog
index c17a803e9d..855b42f717 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,17 @@
+2002-04-08  kaz Kojima  <kkojima@rr.iij4u.or.jp>
+
+	* elf/elf.h: Define R_SH_TLS_xxx macros.
+	* elf/rtld.c: Remove an extra parenthesis.
+	* elf/tls-macros.h: Define SH version TLS_LE, TLS_IE, TLS_LD and
+	TLS_GD macros.
+	* sysdeps/generic/dl-tls.c: Add a missing semi-colon.
+	* sysdeps/sh/dl-lookupcfg.h: New file.
+	* sysdeps/sh/dl-tls.h: New file.
+	* sysdeps/sh/dl-machine.h (elf_machine_type_class): Set
+	ELF_RTYPE_CLASS_PLT also for the three TLS relocations.
+	(elf_machine_rela): Handle R_SH_TLS_DTPMOD32, R_SH_TLS_DTPOFF32 and
+	R_SH_TLS_TPOFF32 relocations.
+
 2002-04-08  Ulrich Drepper  <drepper@redhat.com>
 
 	* cppflags-iterator.mk (cpp-srcs-left): Define NOT_IN_libc instead
diff --git a/elf/elf.h b/elf/elf.h
index 70c0d498ab..4a11a72cc4 100644
--- a/elf/elf.h
+++ b/elf/elf.h
@@ -2123,6 +2123,21 @@ typedef Elf32_Addr Elf32_Conflict;
 #define	R_SH_SWITCH8		33
 #define	R_SH_GNU_VTINHERIT	34
 #define	R_SH_GNU_VTENTRY	35
+#define	R_SH_TLS_GD_32		128
+#define	R_SH_TLS_LD_32		129
+#define	R_SH_TLS_LDO_32		130
+#define	R_SH_TLS_IE_32		131
+#define	R_SH_TLS_LE_32		132
+#define	R_SH_TLS_DTPMOD32	133
+#define	R_SH_TLS_DTPOFF32	134
+#define	R_SH_TLS_TPOFF32	135
+#define	R_SH_TLS_GD_MOV		136
+#define	R_SH_TLS_GD_CALLMOV	137
+#define	R_SH_TLS_LDM_MOV	138
+#define	R_SH_TLS_LDO_MOV	139
+#define	R_SH_TLS_LD_CALLMOV	140
+#define	R_SH_TLS_IE_MOV		141
+#define	R_SH_TLS_LE_MOV		142
 #define	R_SH_GOT32		160
 #define	R_SH_PLT32		161
 #define	R_SH_COPY		162
diff --git a/elf/rtld.c b/elf/rtld.c
index 575e6f7ddc..968b37040a 100644
--- a/elf/rtld.c
+++ b/elf/rtld.c
@@ -303,7 +303,7 @@ _dl_start_final (void *arg, struct link_map *bootstrap_map_p,
 # elif TLS_DTV_AT_TP
 	GL(dl_rtld_map).l_tls_offset = roundup (TLS_INIT_TCB_SIZE,
 						GL(dl_rtld_map).l_tls_align);
-	initdtv[2].pointer = (char *) tlsblock + GL(dl_rtld_map).l_tls_offset);
+	initdtv[2].pointer = (char *) tlsblock + GL(dl_rtld_map).l_tls_offset;
 # else
 #  error "Either TLS_TCB_AT_TP or TLS_DTV_AT_TP must be defined"
 # endif
diff --git a/elf/tls-macros.h b/elf/tls-macros.h
index 26745e9e21..877581198c 100644
--- a/elf/tls-macros.h
+++ b/elf/tls-macros.h
@@ -95,6 +95,84 @@
      __l; })
 # endif
 
+#elif defined __sh__
+# define TLS_LE(x) \
+  ({ int *__l; void *__tp;						      \
+     asm ("stc gbr,%1\n\t"						      \
+	  "mov.l 1f,%0\n\t"						      \
+	  "bra 2f\n\t"							      \
+	  " add %1,%0\n\t"						      \
+	  ".align 2\n\t"						      \
+	  "1: .long " #x "@tpoff\n\t"					      \
+	  "2:"								      \
+	  : "=r" (__l), "=r" (__tp));					      \
+     __l; })
+
+# define TLS_IE(x) \
+  ({ int *__l; void *__tp;						      \
+     asm ("mova 0f,r0\n\t"						      \
+	  "mov.l 0f,r12\n\t"						      \
+	  "add r0,r12\n\t"						      \
+	  "mov.l 1f,r0\n\t"						      \
+	  "stc gbr,%1\n\t"						      \
+	  "mov.l @(r0,r12),%0\n\t"					      \
+	  "bra 2f\n\t"							      \
+	  " add %1,%0\n\t"						      \
+	  ".align 2\n\t"						      \
+	  "0: .long _GLOBAL_OFFSET_TABLE_\n\t"				      \
+	  "1: .long " #x "@gottpoff\n\t"				      \
+	  "2:"								      \
+	  : "=r" (__l), "=r" (__tp) : : "r0", "r12");			      \
+     __l; })
+
+# define TLS_LD(x) \
+  ({ int *__l;								      \
+     asm ("mova 0f,r0\n\t"						      \
+	  "mov.l 0f,r12\n\t"						      \
+	  "add r0,r12\n\t"						      \
+	  "mov.l 1f,r4\n\t"						      \
+	  "add r12,r4\n\t"						      \
+	  "mova 2f,r0\n\t"						      \
+	  "mov.l 2f,r1\n\t"						      \
+	  "add r0,r1\n\t"						      \
+	  "jsr @r1\n\t"							      \
+	  " nop\n\t"							      \
+	  "mov.l 3f,%0\n\t"						      \
+	  "bra 4f\n\t"							      \
+	  " add r0,%0\n\t"						      \
+	  ".align 2\n\t"						      \
+	  "0: .long _GLOBAL_OFFSET_TABLE_\n\t"				      \
+	  "1: .long " #x "@tlsldm\n\t"					      \
+	  "2: .long __tls_get_addr@plt\n\t"				      \
+	  "3: .long " #x "@dtpoff\n\t"					      \
+	  "4:"								      \
+	  : "=r" (__l) : : "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",    \
+			   "r12", "pr", "t");					      \
+     __l; })
+
+# define TLS_GD(x) \
+  ({ int *__l;								      \
+     asm ("mova 0f,r0\n\t"						      \
+	  "mov.l 0f,r12\n\t"						      \
+	  "add r0,r12\n\t"						      \
+	  "mov.l 1f,r4\n\t"						      \
+	  "add r12,r4\n\t"						      \
+	  "mova 2f,r0\n\t"						      \
+	  "mov.l 2f,r1\n\t"						      \
+	  "add r0,r1\n\t"						      \
+	  "jsr @r1\n\t"							      \
+	  " nop\n\t"							      \
+	  "bra 3f\n\t"							      \
+	  " mov r0,%0\n\t"						      \
+	  ".align 2\n\t"						      \
+	  "0: .long _GLOBAL_OFFSET_TABLE_\n\t"				      \
+	  "1: .long " #x "@tlsgd\n\t"					      \
+	  "2: .long __tls_get_addr@plt\n\t"				      \
+	  "3:"								      \
+	  : "=r" (__l) : : "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",    \
+			   "r12", "pr", "t");					      \
+     __l; })
+
 #else
 # error "No support for this architecture so far."
 #endif
diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog
index 5f79ed7160..cfcfe4c872 100644
--- a/linuxthreads/ChangeLog
+++ b/linuxthreads/ChangeLog
@@ -1,3 +1,10 @@
+2002-04-08  Jakub Jelinek  <jakub@redhat.com>
+
+	* manager.c (__pthread_manager_event): Use self instead of arg
+	for INIT_THREAD_SELF.
+	* sysdeps/i386/useldt.h (INIT_THREAD_SELF): Use sizeof (struct
+	_pthread_descr_struct) instead of sizeof (*descr).
+
 2002-04-05  Ulrich Drepper  <drepper@redhat.com>
 
 	* sysdeps/ia64/pt-machine.h: Protect against multiple inclusion.
diff --git a/linuxthreads/manager.c b/linuxthreads/manager.c
index c846895d19..b52f65137f 100644
--- a/linuxthreads/manager.c
+++ b/linuxthreads/manager.c
@@ -244,15 +244,16 @@ __pthread_manager(void *arg)
 
 int __pthread_manager_event(void *arg)
 {
+  pthread_descr self = arg;
   /* If we have special thread_self processing, initialize it.  */
 #ifdef INIT_THREAD_SELF
-  INIT_THREAD_SELF(arg, 1);
+  INIT_THREAD_SELF(self, 1);
 #endif
 
   /* Get the lock the manager will free once all is correctly set up.  */
-  __pthread_lock (THREAD_GETMEM(((pthread_descr) arg), p_lock), NULL);
+  __pthread_lock (THREAD_GETMEM(self, p_lock), NULL);
   /* Free it immediately.  */
-  __pthread_unlock (THREAD_GETMEM(((pthread_descr) arg), p_lock));
+  __pthread_unlock (THREAD_GETMEM(self, p_lock));
 
   return __pthread_manager(arg);
 }
diff --git a/linuxthreads/sysdeps/i386/useldt.h b/linuxthreads/sysdeps/i386/useldt.h
index 02d079c9ef..116e95d042 100644
--- a/linuxthreads/sysdeps/i386/useldt.h
+++ b/linuxthreads/sysdeps/i386/useldt.h
@@ -64,7 +64,8 @@ extern int __modify_ldt (int, struct modify_ldt_ldt_s *, size_t);
 #define INIT_THREAD_SELF(descr, nr) \
 {									      \
   struct modify_ldt_ldt_s ldt_entry =					      \
-    { nr, (unsigned long int) descr, sizeof (*descr), 1, 0, 0, 0, 0, 1, 0 };  \
+    { nr, (unsigned long int) descr, sizeof (struct _pthread_descr_struct),   \
+      1, 0, 0, 0, 0, 1, 0 };						      \
   if (__modify_ldt (1, &ldt_entry, sizeof (ldt_entry)) != 0)		      \
     abort ();								      \
   __asm__ __volatile__ ("movw %w0, %%gs" : : "q" (nr * 8 + 7));		      \
diff --git a/linuxthreads/sysdeps/sh/pt-machine.h b/linuxthreads/sysdeps/sh/pt-machine.h
index d7030a241d..1d055c0b3d 100644
--- a/linuxthreads/sysdeps/sh/pt-machine.h
+++ b/linuxthreads/sysdeps/sh/pt-machine.h
@@ -45,6 +45,11 @@ testandset (int *spinlock)
   return (ret == 0);
 }
 
+/* We want the OS to assign stack addresses.  */
+#define FLOATING_STACKS 1
+
+/* Maximum size of the stack if the rlimit is unlimited.  */
+#define ARCH_STACK_MAX_SIZE     32*1024*1024
 
 /* Get some notion of the current stack.  Need not be exactly the top
    of the stack, just something somewhere in the current frame.  */
@@ -61,4 +66,10 @@ struct _pthread_descr_struct;
 #define INIT_THREAD_SELF(descr, nr) \
   ({ __asm__ __volatile__("ldc %0,gbr" : : "r" (descr));})
 
+/* Access to data in the thread descriptor is easy.  */
+#define THREAD_GETMEM(descr, member) THREAD_SELF->member
+#define THREAD_GETMEM_NC(descr, member) THREAD_SELF->member
+#define THREAD_SETMEM(descr, member, value) THREAD_SELF->member = (value)
+#define THREAD_SETMEM_NC(descr, member, value) THREAD_SELF->member = (value)
+
 #endif /* pt-machine.h */
diff --git a/linuxthreads/sysdeps/sh/tls.h b/linuxthreads/sysdeps/sh/tls.h
new file mode 100644
index 0000000000..e8cf504387
--- /dev/null
+++ b/linuxthreads/sysdeps/sh/tls.h
@@ -0,0 +1,111 @@
+/* Definition for thread-local data handling.  linuxthreads/SH version.
+   Copyright (C) 2002 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 _TLS_H
+#define _TLS_H
+
+#include <stddef.h>
+
+#include <pt-machine.h>
+
+/* Type for the dtv.  */
+typedef union dtv
+{
+  size_t counter;
+  void *pointer;
+} dtv_t;
+
+
+typedef struct
+{
+  void *tcb;		/* Pointer to the TCB.  Not necessary the
+			   thread descriptor used by libpthread.  */
+  dtv_t *dtv;
+  void *self;		/* Pointer to the thread descriptor.  */
+} tcbhead_t;
+
+
+/* We can support TLS only if the floating-stack support is available.  */
+#if defined FLOATING_STACKS && defined HAVE_TLS_SUPPORT
+
+/* Get system call information.  */
+# include <sysdep.h>
+
+/* Signal that TLS support is available.  */
+# define USE_TLS	1
+
+
+/* Get the thread descriptor definition.  */
+# include <linuxthreads/descr.h>
+
+/* This is the size of the initial TCB.  */
+# define TLS_INIT_TCB_SIZE sizeof (tcbhead_t)
+
+/* Alignment requirements for the initial TCB.  */
+# define TLS_INIT_TCB_ALIGN __alignof__ (tcbhead_t)
+
+/* This is the size of the TCB.  */
+# define TLS_TCB_SIZE sizeof (struct _pthread_descr_struct)
+
+/* Alignment requirements for the TCB.  */
+# define TLS_TCB_ALIGN __alignof__ (struct _pthread_descr_struct)
+
+/* The TLS blocks start right after the TCB.  */
+# define TLS_DTV_AT_TP	1
+
+
+/* Install the dtv pointer.  The pointer passed is to the element with
+   index -1 which contain the length.  */
+# define INSTALL_DTV(descr, dtvp) \
+  ((tcbhead_t *) descr)->dtv = dtvp + 1
+
+/* Install new dtv for current thread.  */
+# define INSTALL_NEW_DTV(dtv) \
+  ({ struct _pthread_descr_struct *__descr;				      \
+     THREAD_SETMEM (__descr, p_header.data.dtvp, dtv); })
+
+/* Return dtv of given thread descriptor.  */
+# define GET_DTV(descr) \
+  (((tcbhead_t *) descr)->dtv)
+
+/* Code to initially initialize the thread pointer.  This might need
+   special attention since 'errno' is not yet available and if the
+   operation can cause a failure 'errno' must not be touched.  */
+# define TLS_INIT_TP(descr) \
+  do {									      \
+    void *_descr = (descr);						      \
+    int result;								      \
+    tcbhead_t *head = _descr;						      \
+									      \
+    head->tcb = _descr;							      \
+    /* For now the thread descriptor is at the same address.  */		      \
+    head->self = _descr;						      \
+									      \
+    asm ("ldc %0,gbr" : : "r" (_descr));				      \
+  } while (0)
+
+
+/* Return the address of the dtv for the current thread.  */
+# define THREAD_DTV() \
+  ({ struct _pthread_descr_struct *__descr;				      \
+     THREAD_GETMEM (__descr, p_header.data.dtvp); })
+
+#endif	/* FLOATING_STACKS && HAVE_TLS_SUPPORT */
+
+#endif	/* tls.h */
diff --git a/sysdeps/generic/dl-tls.c b/sysdeps/generic/dl-tls.c
index b7ed69f934..8d98786fd5 100644
--- a/sysdeps/generic/dl-tls.c
+++ b/sysdeps/generic/dl-tls.c
@@ -174,7 +174,7 @@ _dl_determine_tlsoffset (void)
   slotinfo = GL(dl_tls_dtv_slotinfo_list)->slotinfo;
   if (slotinfo[1].map != NULL)
     {
-      size_t prev_size
+      size_t prev_size;
 
       offset = roundup (offset, slotinfo[1].map->l_tls_align);
       slotinfo[1].map->l_tls_offset = offset;
diff --git a/sysdeps/i386/dl-machine.h b/sysdeps/i386/dl-machine.h
index 37ec7283be..7dbb4ba903 100644
--- a/sysdeps/i386/dl-machine.h
+++ b/sysdeps/i386/dl-machine.h
@@ -401,7 +401,7 @@ elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc,
 # ifdef RTLD_BOOTSTRAP
 	  *reloc_addr = GL(dl_rtld_map).l_tls_offset - sym->st_value;
 # else
-	  /* We know the offset of object the symbol is contained is.
+	  /* We know the offset of object the symbol is contained in.
 	     It is a positive value which will be subtracted from the
 	     thread pointer.  To get the variable position in the TLS
 	     block we subtract the offset from that of the TLS block.  */
diff --git a/sysdeps/sh/dl-lookupcfg.h b/sysdeps/sh/dl-lookupcfg.h
new file mode 100644
index 0000000000..14511473cb
--- /dev/null
+++ b/sysdeps/sh/dl-lookupcfg.h
@@ -0,0 +1,28 @@
+/* Configuration of lookup functions.  SH version.
+   Copyright (C) 2000, 2002 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 <tls.h>
+
+/* Some platforms need more information from the symbol lookup function
+   than just the address.  For SH we need it when we support TLS.  */
+#ifdef USE_TLS
+# define DL_LOOKUP_RETURNS_MAP
+#else
+# undef DL_LOOKUP_RETURNS_MAP
+#endif
diff --git a/sysdeps/sh/dl-machine.h b/sysdeps/sh/dl-machine.h
index 498293cb57..1dcf84b07c 100644
--- a/sysdeps/sh/dl-machine.h
+++ b/sysdeps/sh/dl-machine.h
@@ -396,13 +396,22 @@ _dl_start_user:\n\
 .previous\n\
 ");
 
-/* ELF_RTYPE_CLASS_PLT iff TYPE describes relocation of a PLT entry, so
-   PLT entries should not be allowed to define the value.
+/* ELF_RTYPE_CLASS_PLT iff TYPE describes relocation of a PLT entry or
+   TLS variable, so undefined references should not be allowed to
+   define the value.
    ELF_RTYPE_CLASS_NOCOPY iff TYPE should not be allowed to resolve to one
    of the main executable's symbols, as for a COPY reloc.  */
+#ifdef USE_TLS
+# define elf_machine_type_class(type) \
+  ((((type) == R_SH_JMP_SLOT || (type) == R_SH_TLS_DTPMOD32		      \
+     || (type) == R_SH_TLS_DTPOFF32 || (type) == R_SH_TLS_TPOFF32)	      \
+    * ELF_RTYPE_CLASS_PLT)						      \
+   | (((type) == R_SH_COPY) * ELF_RTYPE_CLASS_COPY))
+#else
 #define elf_machine_type_class(type) \
   ((((type) == R_SH_JMP_SLOT) * ELF_RTYPE_CLASS_PLT)	\
    | (((type) == R_SH_COPY) * ELF_RTYPE_CLASS_COPY))
+#endif
 
 /* A reloc type used for ld.so cmdline arg lookups to reject PLT entries.  */
 #define ELF_MACHINE_JMP_SLOT	R_SH_JMP_SLOT
@@ -497,13 +506,21 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
   else
     {
       const Elf32_Sym *const refsym = sym;
+#if defined USE_TLS && !defined RTLD_BOOTSTRAP
+      struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
 
-      value = RESOLVE (&sym, version, ELF32_R_TYPE (reloc->r_info));
-      if (sym)
+      value = sym == NULL ? 0 : sym_map->l_addr + sym->st_value;
+#else
+
+      value = RESOLVE (&sym, version, r_type);
+# ifndef RTLD_BOOTSTRAP
+      if (sym != NULL)
+# endif
 	value += sym->st_value;
+#endif
       value += reloc->r_addend;
 
-      switch (ELF32_R_TYPE (reloc->r_info))
+      switch (r_type)
 	{
 	case R_SH_COPY:
 	  if (sym == NULL)
@@ -529,6 +546,44 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
 	  /* These addresses are always aligned.  */
 	  *reloc_addr = value;
 	  break;
+#ifdef USE_TLS
+	  /* XXX Remove TLS relocations which are not needed.  */
+	case R_SH_TLS_DTPMOD32:
+# ifdef RTLD_BOOTSTRAP
+	  /* During startup the dynamic linker is always the module
+	     with index 1.
+	     XXX If this relocation is necessary move before RESOLVE
+	     call.  */
+	  *reloc_addr = 1;
+# else
+	  /* Get the information from the link map returned by the
+	     resolv function.  */
+	  if (sym_map != NULL)
+	    *reloc_addr = sym_map->l_tls_modid;
+# endif
+	  break;
+	case R_SH_TLS_DTPOFF32:
+# ifndef RTLD_BOOTSTRAP
+	  /* During relocation all TLS symbols are defined and used.
+	     Therefore the offset is already correct.  */
+	  if (sym != NULL)
+	    *reloc_addr = sym->st_value;
+# endif
+	  break;
+	case R_SH_TLS_TPOFF32:
+	  /* The offset is positive, afterward from the thread pointer.  */
+# ifdef RTLD_BOOTSTRAP
+	  *reloc_addr = GL(dl_rtld_map).l_tls_offset + sym->st_value;
+# else
+	  /* We know the offset of object the symbol is contained in.
+	     It is a positive value which will be added to the thread
+	     pointer.  To get the variable position in the TLS block
+	     we add the offset from that of the TLS block.  */
+	  if (sym_map != NULL && sym != NULL)
+	    *reloc_addr = sym_map->l_tls_offset + sym->st_value;
+# endif
+	  break;
+#endif	/* use TLS */
 	case R_SH_DIR32:
 	  {
 #ifndef RTLD_BOOTSTRAP
@@ -557,7 +612,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
 	  COPY_UNALIGNED_WORD (value, *reloc_addr, (int) reloc_addr & 3);
 	  break;
 	default:
-	  _dl_reloc_bad_type (map, ELF32_R_TYPE (reloc->r_info), 0);
+	  _dl_reloc_bad_type (map, r_type, 0);
 	  break;
 	}
     }
diff --git a/sysdeps/sh/dl-tls.h b/sysdeps/sh/dl-tls.h
new file mode 100644
index 0000000000..fb0437317a
--- /dev/null
+++ b/sysdeps/sh/dl-tls.h
@@ -0,0 +1,30 @@
+/* Thread-local storage handling in the ELF dynamic linker.  SH version.
+   Copyright (C) 2002 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;
+
+
+extern void *__tls_get_addr (tls_index *ti)
+     __attribute__ ((__regparm__ (1)));