* gdbarch.sh (fetch_tls_load_module_address): New architecture method.

	* gdbarch.c, gdbarch.h: Regenerate.
	* dwarf2loc.c (dwarf_expr_tls_address): Fetch TLS load module
	address and pass this address, instead of the objfile address, to
	target_get_thread_local_address().
	* linux-thread-db.c (thread_db_get_thread_local_address): Change
	second parameter from type ``struct objfile *'' to CORE_ADDR.  Do
	not call svr4_fetch_objfile_link_map() to fetch the load module
	address.
	* target.h (struct target_ops): Change second parameter of
	``to_get_thread_local_address'' from ``struct objfile *'' to
	``CORE_ADDR''.
	* alpha-linux-tdep.c (solib-svr4.h): Include.
	(alpha_linux_init_abi): Register TLS load module fetcher.
	* amd64-linux-tdep.c (amd64_linux_init_abi): Likewise.
	* hppa-linux-tdep.c (hppa_linux_init_abi): Likewise.
	* i386-linux-tdep.c (i386_linux_init_abi): Likewise.
	* ia64-linux-tdep.c (solib-svr4.h): Include.
	(ia64_linux_init_abi): Register TLS load module fetcher.
	* m32r-linux-tdep.c (m32r_linux_init_abi): Likewise.
	* m68klinux-tdep.c (m68k_linux_init_abi): Likewise.
	* mips-linux-tdep.c (mips_linux_init_abi): Likewise.
	* s390-tdep.c (s390_gdbarch_init): Likewise.
	* sparc-linux-tdep.c (sparc32_linux_init_abi): Likewise.
	* sparc64-linux-tdep.c (solib-svr4.h): Include.
	(sparc64_linux_init_abi): Register TLS load module fetcher.
	* Makefile.in (alpha-linux-tdep.o, ia64-linux-tdep.o)
	(sparc-linux-tdep.o): Update dependencies.

21 files changed, 189 insertions, 22 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index c2de1fd..7b94a88 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,34 @@
+2005-03-31  Kevin Buettner  <kevinb@redhat.com>
+
+	* gdbarch.sh (fetch_tls_load_module_address): New architecture method.
+	* gdbarch.c, gdbarch.h: Regenerate.
+	* dwarf2loc.c (dwarf_expr_tls_address): Fetch TLS load module
+	address and pass this address, instead of the objfile address, to
+	target_get_thread_local_address().
+	* linux-thread-db.c (thread_db_get_thread_local_address): Change
+	second parameter from type ``struct objfile *'' to CORE_ADDR.  Do
+	not call svr4_fetch_objfile_link_map() to fetch the load module
+	address.
+	* target.h (struct target_ops): Change second parameter of
+	``to_get_thread_local_address'' from ``struct objfile *'' to
+	``CORE_ADDR''.
+	* alpha-linux-tdep.c (solib-svr4.h): Include.
+	(alpha_linux_init_abi): Register TLS load module fetcher.
+	* amd64-linux-tdep.c (amd64_linux_init_abi): Likewise.
+	* hppa-linux-tdep.c (hppa_linux_init_abi): Likewise.
+	* i386-linux-tdep.c (i386_linux_init_abi): Likewise.
+	* ia64-linux-tdep.c (solib-svr4.h): Include.
+	(ia64_linux_init_abi): Register TLS load module fetcher.
+	* m32r-linux-tdep.c (m32r_linux_init_abi): Likewise.
+	* m68klinux-tdep.c (m68k_linux_init_abi): Likewise.
+	* mips-linux-tdep.c (mips_linux_init_abi): Likewise.
+	* s390-tdep.c (s390_gdbarch_init): Likewise.
+	* sparc-linux-tdep.c (sparc32_linux_init_abi): Likewise.
+	* sparc64-linux-tdep.c (solib-svr4.h): Include.
+	(sparc64_linux_init_abi): Register TLS load module fetcher.
+	* Makefile.in (alpha-linux-tdep.o, ia64-linux-tdep.o)
+	(sparc-linux-tdep.o): Update dependencies.
+
 2005-03-29  Daniel Jacobowitz  <dan@codesourcery.com>
 
 	* c-valprint.c (c_value_print): Fix up some formatting.  Use
diff --git a/gdb/Makefile.in b/gdb/Makefile.in
index f8aa73b..2d390af 100644
--- a/gdb/Makefile.in
+++ b/gdb/Makefile.in
@@ -1669,7 +1669,7 @@ alphabsd-tdep.o: alphabsd-tdep.c $(defs_h) $(alpha_tdep_h) \
 alphafbsd-tdep.o: alphafbsd-tdep.c $(defs_h) $(value_h) $(osabi_h) \
 	$(alpha_tdep_h)
 alpha-linux-tdep.o: alpha-linux-tdep.c $(defs_h) $(frame_h) $(gdb_assert_h) \
-	$(osabi_h) $(alpha_tdep_h)
+	$(osabi_h) $(solib_svr4_h) $(alpha_tdep_h)
 alpha-mdebug-tdep.o: alpha-mdebug-tdep.c $(defs_h) $(frame_h) \
 	$(frame_unwind_h) $(frame_base_h) $(symtab_h) $(gdbcore_h) \
 	$(block_h) $(gdb_assert_h) $(alpha_tdep_h) $(mdebugread_h)
@@ -2089,7 +2089,7 @@ ia64-linux-nat.o: ia64-linux-nat.c $(defs_h) $(gdb_string_h) $(inferior_h) \
 	$(target_h) $(gdbcore_h) $(regcache_h) $(ia64_tdep_h) $(gdb_wait_h) \
 	$(gregset_h)
 ia64-linux-tdep.o: ia64-linux-tdep.c $(defs_h) $(ia64_tdep_h) \
-	$(arch_utils_h) $(gdbcore_h) $(regcache_h) $(osabi_h)
+	$(arch_utils_h) $(gdbcore_h) $(regcache_h) $(osabi_h) $(solib_svr4_h)
 ia64-tdep.o: ia64-tdep.c $(defs_h) $(inferior_h) $(gdbcore_h) \
 	$(arch_utils_h) $(floatformat_h) $(regcache_h) $(reggroups_h) \
 	$(frame_h) $(frame_base_h) $(frame_unwind_h) $(doublest_h) \
@@ -2570,7 +2570,7 @@ sparc64fbsd-tdep.o: sparc64fbsd-tdep.c $(defs_h) $(frame_h) \
 sparc64-linux-nat.o: sparc64-linux-nat.c $(defs_h) $(sparc64_tdep_h) \
 	$(sparc_nat_h)
 sparc64-linux-tdep.o: sparc64-linux-tdep.c $(defs_h) $(gdbarch_h) $(osabi_h) \
-	$(sparc64_tdep_h)
+	$(solib_svr4_h) $(sparc64_tdep_h)
 sparc64-nat.o: sparc64-nat.c $(defs_h) $(gdbarch_h) $(sparc64_tdep_h) \
 	$(sparc_nat_h)
 sparc64nbsd-nat.o: sparc64nbsd-nat.c $(defs_h) $(regcache_h) $(target_h) \
diff --git a/gdb/alpha-linux-tdep.c b/gdb/alpha-linux-tdep.c
index 02036ba..86e4498 100644
--- a/gdb/alpha-linux-tdep.c
+++ b/gdb/alpha-linux-tdep.c
@@ -22,6 +22,7 @@
 #include "frame.h"
 #include "gdb_assert.h"
 #include "osabi.h"
+#include "solib-svr4.h"
 
 #include "alpha-tdep.h"
 
@@ -140,6 +141,10 @@ alpha_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
   tdep->pc_in_sigtramp = alpha_linux_pc_in_sigtramp;
   tdep->jb_pc = 2;
   tdep->jb_elt_size = 8;
+
+  /* Enable TLS support.  */
+  set_gdbarch_fetch_tls_load_module_address (gdbarch,
+                                             svr4_fetch_objfile_link_map);
 }
 
 void
diff --git a/gdb/amd64-linux-tdep.c b/gdb/amd64-linux-tdep.c
index 57eadf2..fd90d53 100644
--- a/gdb/amd64-linux-tdep.c
+++ b/gdb/amd64-linux-tdep.c
@@ -218,6 +218,10 @@ amd64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
   /* GNU/Linux uses SVR4-style shared libraries.  */
   set_solib_svr4_fetch_link_map_offsets
     (gdbarch, svr4_lp64_fetch_link_map_offsets);
+
+  /* Enable TLS support.  */
+  set_gdbarch_fetch_tls_load_module_address (gdbarch,
+                                             svr4_fetch_objfile_link_map);
 }
 
 
diff --git a/gdb/arm-linux-tdep.c b/gdb/arm-linux-tdep.c
index d4b2899..fe39c21 100644
--- a/gdb/arm-linux-tdep.c
+++ b/gdb/arm-linux-tdep.c
@@ -495,6 +495,10 @@ arm_linux_init_abi (struct gdbarch_info info,
   /* Shared library handling.  */
   set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
   set_gdbarch_skip_solib_resolver (gdbarch, glibc_skip_solib_resolver);
+
+  /* Enable TLS support.  */
+  set_gdbarch_fetch_tls_load_module_address (gdbarch,
+                                             svr4_fetch_objfile_link_map);
 }
 
 void
diff --git a/gdb/dwarf2loc.c b/gdb/dwarf2loc.c
index 20bb65c..347b30d 100644
--- a/gdb/dwarf2loc.c
+++ b/gdb/dwarf2loc.c
@@ -188,7 +188,8 @@ dwarf_expr_tls_address (void *baton, CORE_ADDR offset)
   struct dwarf_expr_baton *debaton = (struct dwarf_expr_baton *) baton;
   volatile CORE_ADDR addr = 0;
 
-  if (target_get_thread_local_address_p ())
+  if (target_get_thread_local_address_p ()
+      && gdbarch_fetch_tls_load_module_address_p (current_gdbarch))
     {
       ptid_t ptid = inferior_ptid;
       struct objfile *objfile = debaton->objfile;
@@ -196,7 +197,21 @@ dwarf_expr_tls_address (void *baton, CORE_ADDR offset)
 
       TRY_CATCH (ex, RETURN_MASK_ALL)
 	{
-	  addr = target_get_thread_local_address (ptid, objfile, offset);
+	  CORE_ADDR lm_addr;
+	  
+	  /* Fetch the load module address for this objfile.  */
+	  lm_addr = gdbarch_fetch_tls_load_module_address (current_gdbarch,
+	                                                   objfile);
+	  /* If it's 0, throw the appropriate exception.  */
+	  if (lm_addr == 0)
+	    {
+	      struct exception e
+		= { RETURN_ERROR, TLS_LOAD_MODULE_NOT_FOUND_ERROR, 0 };
+
+	      throw_exception (e);
+	    }
+
+	  addr = target_get_thread_local_address (ptid, lm_addr, offset);
 	}
       /* If an error occurred, print TLS related messages here.  Otherwise,
          throw the error to some higher catcher.  */
diff --git a/gdb/gdbarch.c b/gdb/gdbarch.c
index 3612c71..718506c 100644
--- a/gdb/gdbarch.c
+++ b/gdb/gdbarch.c
@@ -203,6 +203,7 @@ struct gdbarch
   CORE_ADDR decr_pc_after_break;
   CORE_ADDR deprecated_function_start_offset;
   gdbarch_remote_translate_xfer_address_ftype *remote_translate_xfer_address;
+  gdbarch_fetch_tls_load_module_address_ftype *fetch_tls_load_module_address;
   CORE_ADDR frame_args_skip;
   gdbarch_unwind_pc_ftype *unwind_pc;
   gdbarch_unwind_sp_ftype *unwind_sp;
@@ -329,6 +330,7 @@ struct gdbarch startup_gdbarch =
   0,  /* decr_pc_after_break */
   0,  /* deprecated_function_start_offset */
   generic_remote_translate_xfer_address,  /* remote_translate_xfer_address */
+  0,  /* fetch_tls_load_module_address */
   0,  /* frame_args_skip */
   0,  /* unwind_pc */
   0,  /* unwind_sp */
@@ -583,6 +585,7 @@ verify_gdbarch (struct gdbarch *current_gdbarch)
   /* Skip verify of decr_pc_after_break, invalid_p == 0 */
   /* Skip verify of deprecated_function_start_offset, invalid_p == 0 */
   /* Skip verify of remote_translate_xfer_address, invalid_p == 0 */
+  /* Skip verify of fetch_tls_load_module_address, has predicate */
   /* Skip verify of frame_args_skip, invalid_p == 0 */
   /* Skip verify of unwind_pc, has predicate */
   /* Skip verify of unwind_sp, has predicate */
@@ -1090,6 +1093,24 @@ gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
   fprintf_unfiltered (file,
                       "gdbarch_dump: fetch_pointer_argument = <0x%lx>\n",
                       (long) current_gdbarch->fetch_pointer_argument);
+#ifdef FETCH_TLS_LOAD_MODULE_ADDRESS_P
+  fprintf_unfiltered (file,
+                      "gdbarch_dump: %s # %s\n",
+                      "FETCH_TLS_LOAD_MODULE_ADDRESS_P()",
+                      XSTRING (FETCH_TLS_LOAD_MODULE_ADDRESS_P ()));
+#endif
+  fprintf_unfiltered (file,
+                      "gdbarch_dump: gdbarch_fetch_tls_load_module_address_p() = %d\n",
+                      gdbarch_fetch_tls_load_module_address_p (current_gdbarch));
+#ifdef FETCH_TLS_LOAD_MODULE_ADDRESS
+  fprintf_unfiltered (file,
+                      "gdbarch_dump: %s # %s\n",
+                      "FETCH_TLS_LOAD_MODULE_ADDRESS(objfile)",
+                      XSTRING (FETCH_TLS_LOAD_MODULE_ADDRESS (objfile)));
+#endif
+  fprintf_unfiltered (file,
+                      "gdbarch_dump: fetch_tls_load_module_address = <0x%lx>\n",
+                      (long) current_gdbarch->fetch_tls_load_module_address);
 #ifdef TARGET_FLOAT_BIT
   fprintf_unfiltered (file,
                       "gdbarch_dump: TARGET_FLOAT_BIT # %s\n",
@@ -3042,6 +3063,30 @@ set_gdbarch_remote_translate_xfer_address (struct gdbarch *gdbarch,
   gdbarch->remote_translate_xfer_address = remote_translate_xfer_address;
 }
 
+int
+gdbarch_fetch_tls_load_module_address_p (struct gdbarch *gdbarch)
+{
+  gdb_assert (gdbarch != NULL);
+  return gdbarch->fetch_tls_load_module_address != NULL;
+}
+
+CORE_ADDR
+gdbarch_fetch_tls_load_module_address (struct gdbarch *gdbarch, struct objfile *objfile)
+{
+  gdb_assert (gdbarch != NULL);
+  gdb_assert (gdbarch->fetch_tls_load_module_address != NULL);
+  if (gdbarch_debug >= 2)
+    fprintf_unfiltered (gdb_stdlog, "gdbarch_fetch_tls_load_module_address called\n");
+  return gdbarch->fetch_tls_load_module_address (objfile);
+}
+
+void
+set_gdbarch_fetch_tls_load_module_address (struct gdbarch *gdbarch,
+                                           gdbarch_fetch_tls_load_module_address_ftype fetch_tls_load_module_address)
+{
+  gdbarch->fetch_tls_load_module_address = fetch_tls_load_module_address;
+}
+
 CORE_ADDR
 gdbarch_frame_args_skip (struct gdbarch *gdbarch)
 {
diff --git a/gdb/gdbarch.h b/gdb/gdbarch.h
index 5952ef1..a46c90c 100644
--- a/gdb/gdbarch.h
+++ b/gdb/gdbarch.h
@@ -977,6 +977,33 @@ typedef void (gdbarch_remote_translate_xfer_address_ftype) (struct gdbarch *gdba
 extern void gdbarch_remote_translate_xfer_address (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR gdb_addr, int gdb_len, CORE_ADDR *rem_addr, int *rem_len);
 extern void set_gdbarch_remote_translate_xfer_address (struct gdbarch *gdbarch, gdbarch_remote_translate_xfer_address_ftype *remote_translate_xfer_address);
 
+/* Fetch the target specific address used to represent a load module. */
+
+#if defined (FETCH_TLS_LOAD_MODULE_ADDRESS)
+/* Legacy for systems yet to multi-arch FETCH_TLS_LOAD_MODULE_ADDRESS */
+#if !defined (FETCH_TLS_LOAD_MODULE_ADDRESS_P)
+#define FETCH_TLS_LOAD_MODULE_ADDRESS_P() (1)
+#endif
+#endif
+
+extern int gdbarch_fetch_tls_load_module_address_p (struct gdbarch *gdbarch);
+#if !defined (GDB_TM_FILE) && defined (FETCH_TLS_LOAD_MODULE_ADDRESS_P)
+#error "Non multi-arch definition of FETCH_TLS_LOAD_MODULE_ADDRESS"
+#endif
+#if !defined (FETCH_TLS_LOAD_MODULE_ADDRESS_P)
+#define FETCH_TLS_LOAD_MODULE_ADDRESS_P() (gdbarch_fetch_tls_load_module_address_p (current_gdbarch))
+#endif
+
+typedef CORE_ADDR (gdbarch_fetch_tls_load_module_address_ftype) (struct objfile *objfile);
+extern CORE_ADDR gdbarch_fetch_tls_load_module_address (struct gdbarch *gdbarch, struct objfile *objfile);
+extern void set_gdbarch_fetch_tls_load_module_address (struct gdbarch *gdbarch, gdbarch_fetch_tls_load_module_address_ftype *fetch_tls_load_module_address);
+#if !defined (GDB_TM_FILE) && defined (FETCH_TLS_LOAD_MODULE_ADDRESS)
+#error "Non multi-arch definition of FETCH_TLS_LOAD_MODULE_ADDRESS"
+#endif
+#if !defined (FETCH_TLS_LOAD_MODULE_ADDRESS)
+#define FETCH_TLS_LOAD_MODULE_ADDRESS(objfile) (gdbarch_fetch_tls_load_module_address (current_gdbarch, objfile))
+#endif
+
 extern CORE_ADDR gdbarch_frame_args_skip (struct gdbarch *gdbarch);
 extern void set_gdbarch_frame_args_skip (struct gdbarch *gdbarch, CORE_ADDR frame_args_skip);
 #if !defined (GDB_TM_FILE) && defined (FRAME_ARGS_SKIP)
diff --git a/gdb/gdbarch.sh b/gdb/gdbarch.sh
index 7b3df2c..12e367b 100755
--- a/gdb/gdbarch.sh
+++ b/gdb/gdbarch.sh
@@ -566,6 +566,9 @@ v:=:CORE_ADDR:decr_pc_after_break:::0:::0
 v:=:CORE_ADDR:deprecated_function_start_offset:::0:::0
 
 m::void:remote_translate_xfer_address:struct regcache *regcache, CORE_ADDR gdb_addr, int gdb_len, CORE_ADDR *rem_addr, int *rem_len:regcache, gdb_addr, gdb_len, rem_addr, rem_len::generic_remote_translate_xfer_address::0
+
+# Fetch the target specific address used to represent a load module.
+F:=:CORE_ADDR:fetch_tls_load_module_address:struct objfile *objfile:objfile
 #
 v:=:CORE_ADDR:frame_args_skip:::0:::0
 M::CORE_ADDR:unwind_pc:struct frame_info *next_frame:next_frame
diff --git a/gdb/hppa-linux-tdep.c b/gdb/hppa-linux-tdep.c
index 48cdab9..7a10aec 100644
--- a/gdb/hppa-linux-tdep.c
+++ b/gdb/hppa-linux-tdep.c
@@ -618,6 +618,10 @@ hppa_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
   frame_unwind_append_sniffer (gdbarch, dwarf2_frame_sniffer);
   frame_base_append_sniffer (gdbarch, dwarf2_frame_base_sniffer);
 #endif
+
+  /* Enable TLS support.  */
+  set_gdbarch_fetch_tls_load_module_address (gdbarch,
+                                             svr4_fetch_objfile_link_map);
 }
 
 void
diff --git a/gdb/i386-linux-tdep.c b/gdb/i386-linux-tdep.c
index 6c349a2..d68802e 100644
--- a/gdb/i386-linux-tdep.c
+++ b/gdb/i386-linux-tdep.c
@@ -437,6 +437,10 @@ i386_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
   set_gdbarch_skip_solib_resolver (gdbarch, glibc_skip_solib_resolver);
 
   dwarf2_frame_set_signal_frame_p (gdbarch, i386_linux_dwarf_signal_frame_p);
+
+  /* Enable TLS support.  */
+  set_gdbarch_fetch_tls_load_module_address (gdbarch,
+                                             svr4_fetch_objfile_link_map);
 }
 
 /* Provide a prototype to silence -Wmissing-prototypes.  */
diff --git a/gdb/ia64-linux-tdep.c b/gdb/ia64-linux-tdep.c
index b7173cc..2ce3b9a 100644
--- a/gdb/ia64-linux-tdep.c
+++ b/gdb/ia64-linux-tdep.c
@@ -25,6 +25,7 @@
 #include "gdbcore.h"
 #include "regcache.h"
 #include "osabi.h"
+#include "solib-svr4.h"
 
 /* The sigtramp code is in a non-readable (executable-only) region
    of memory called the ``gate page''.  The addresses in question
@@ -124,6 +125,10 @@ ia64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
   tdep->sigcontext_register_address = ia64_linux_sigcontext_register_address;
 
   set_gdbarch_write_pc (gdbarch, ia64_linux_write_pc);
+
+  /* Enable TLS support.  */
+  set_gdbarch_fetch_tls_load_module_address (gdbarch,
+                                             svr4_fetch_objfile_link_map);
 }
 
 void
diff --git a/gdb/linux-thread-db.c b/gdb/linux-thread-db.c
index 4c3c093..396b2a4 100644
--- a/gdb/linux-thread-db.c
+++ b/gdb/linux-thread-db.c
@@ -1230,18 +1230,18 @@ thread_db_pid_to_str (ptid_t ptid)
   return normal_pid_to_str (ptid);
 }
 
-/* Get the address of the thread local variable in OBJFILE which is
-   stored at OFFSET within the thread local storage for thread PTID.  */
+/* Get the address of the thread local variable in load module LM which
+   is stored at OFFSET within the thread local storage for thread PTID.  */
 
 static CORE_ADDR
-thread_db_get_thread_local_address (ptid_t ptid, struct objfile *objfile,
+thread_db_get_thread_local_address (ptid_t ptid,
+				    CORE_ADDR lm,
 				    CORE_ADDR offset)
 {
   if (is_thread (ptid))
     {
       td_err_e err;
       void *address;
-      CORE_ADDR lm;
       struct thread_info *thread_info;
 
       /* glibc doesn't provide the needed interface.  */
@@ -1253,17 +1253,8 @@ thread_db_get_thread_local_address (ptid_t ptid, struct objfile *objfile,
 	  throw_exception (e);
 	}
 
-      /* Get the address of the link map for this objfile.  */
-      lm = svr4_fetch_objfile_link_map (objfile);
-
-      /* Whoops, we couldn't find one. Bail out.  */
-      if (!lm)
-	{
-	  struct exception e
-	    = { RETURN_ERROR, TLS_LOAD_MODULE_NOT_FOUND_ERROR, 0 };
-
-	  throw_exception (e);
-	}
+      /* Caller should have verified that lm != 0.  */
+      gdb_assert (lm != 0);
 
       /* Get info about the thread.  */
       thread_info = find_thread_pid (ptid);
@@ -1302,7 +1293,7 @@ thread_db_get_thread_local_address (ptid_t ptid, struct objfile *objfile,
     }
 
   if (target_beneath->to_get_thread_local_address)
-    return target_beneath->to_get_thread_local_address (ptid, objfile, offset);
+    return target_beneath->to_get_thread_local_address (ptid, lm, offset);
   else
     {
       struct exception e
diff --git a/gdb/m32r-linux-tdep.c b/gdb/m32r-linux-tdep.c
index d60d8fa..a4f407f 100644
--- a/gdb/m32r-linux-tdep.c
+++ b/gdb/m32r-linux-tdep.c
@@ -419,6 +419,10 @@ m32r_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
   /* Core file support.  */
   set_gdbarch_regset_from_core_section
     (gdbarch, m32r_linux_regset_from_core_section);
+
+  /* Enable TLS support.  */
+  set_gdbarch_fetch_tls_load_module_address (gdbarch,
+                                             svr4_fetch_objfile_link_map);
 }
 
 /* Provide a prototype to silence -Wmissing-prototypes.  */
diff --git a/gdb/m68klinux-tdep.c b/gdb/m68klinux-tdep.c
index bdff113..b3af23f 100644
--- a/gdb/m68klinux-tdep.c
+++ b/gdb/m68klinux-tdep.c
@@ -306,6 +306,10 @@ m68k_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
   set_gdbarch_skip_solib_resolver (gdbarch, glibc_skip_solib_resolver);
 
   set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
+
+  /* Enable TLS support.  */
+  set_gdbarch_fetch_tls_load_module_address (gdbarch,
+                                             svr4_fetch_objfile_link_map);
 }
 
 void
diff --git a/gdb/mips-linux-tdep.c b/gdb/mips-linux-tdep.c
index 6b621f5..4750a1f 100644
--- a/gdb/mips-linux-tdep.c
+++ b/gdb/mips-linux-tdep.c
@@ -1195,6 +1195,10 @@ mips_linux_init_abi (struct gdbarch_info info,
   set_gdbarch_skip_solib_resolver (gdbarch, mips_linux_skip_resolver);
 
   set_gdbarch_software_single_step (gdbarch, mips_software_single_step);
+
+  /* Enable TLS support.  */
+  set_gdbarch_fetch_tls_load_module_address (gdbarch,
+                                             svr4_fetch_objfile_link_map);
 }
 
 void
diff --git a/gdb/ppc-linux-tdep.c b/gdb/ppc-linux-tdep.c
index 53e1462..6b69573 100644
--- a/gdb/ppc-linux-tdep.c
+++ b/gdb/ppc-linux-tdep.c
@@ -1111,6 +1111,10 @@ ppc_linux_init_abi (struct gdbarch_info info,
       tramp_frame_prepend_unwinder (gdbarch, &ppc64_linux_sighandler_tramp_frame);
     }
   set_gdbarch_regset_from_core_section (gdbarch, ppc_linux_regset_from_core_section);
+
+  /* Enable TLS support.  */
+  set_gdbarch_fetch_tls_load_module_address (gdbarch,
+                                             svr4_fetch_objfile_link_map);
 }
 
 void
diff --git a/gdb/s390-tdep.c b/gdb/s390-tdep.c
index d2fe352..be427c2 100644
--- a/gdb/s390-tdep.c
+++ b/gdb/s390-tdep.c
@@ -3007,6 +3007,10 @@ s390_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
 
   set_gdbarch_print_insn (gdbarch, print_insn_s390);
 
+  /* Enable TLS support.  */
+  set_gdbarch_fetch_tls_load_module_address (gdbarch,
+                                             svr4_fetch_objfile_link_map);
+
   return gdbarch;
 }
 
diff --git a/gdb/sparc-linux-tdep.c b/gdb/sparc-linux-tdep.c
index 4c33e6d..36c0565 100644
--- a/gdb/sparc-linux-tdep.c
+++ b/gdb/sparc-linux-tdep.c
@@ -266,6 +266,10 @@ sparc32_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
   set_gdbarch_long_double_format (gdbarch, &floatformat_ieee_double_big);
 
   frame_unwind_append_sniffer (gdbarch, sparc32_linux_sigtramp_frame_sniffer);
+
+  /* Enable TLS support.  */
+  set_gdbarch_fetch_tls_load_module_address (gdbarch,
+                                             svr4_fetch_objfile_link_map);
 }
 
 /* Provide a prototype to silence -Wmissing-prototypes.  */
diff --git a/gdb/sparc64-linux-tdep.c b/gdb/sparc64-linux-tdep.c
index 7f86e0a..45c0193 100644
--- a/gdb/sparc64-linux-tdep.c
+++ b/gdb/sparc64-linux-tdep.c
@@ -22,6 +22,7 @@
 #include "defs.h"
 #include "gdbarch.h"
 #include "osabi.h"
+#include "solib-svr4.h"
 
 #include "sparc64-tdep.h"
 
@@ -35,6 +36,10 @@ sparc64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
 
   /* ... but doesn't have kernel-assisted single-stepping support.  */
   set_gdbarch_software_single_step (gdbarch, sparc_software_single_step);
+
+  /* Enable TLS support.  */
+  set_gdbarch_fetch_tls_load_module_address (gdbarch,
+                                             svr4_fetch_objfile_link_map);
 }
 
 /* Provide a prototype to silence -Wmissing-prototypes.  */
diff --git a/gdb/target.h b/gdb/target.h
index ff9ba11..1578ddb 100644
--- a/gdb/target.h
+++ b/gdb/target.h
@@ -411,7 +411,7 @@ struct target_ops
        thread-local storage hasn't been allocated yet, this function
        may return an error.  */
     CORE_ADDR (*to_get_thread_local_address) (ptid_t ptid,
-					      struct objfile *objfile,
+					      CORE_ADDR load_module_addr,
 					      CORE_ADDR offset);
 
     /* Perform partial transfers on OBJECT.  See target_read_partial