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authorUlrich Drepper <drepper@redhat.com>2006-10-27 23:11:47 +0000
committerUlrich Drepper <drepper@redhat.com>2006-10-27 23:11:47 +0000
commitb52bbc1bdf3886da8dd3265fd955cafe5368d34a (patch)
tree117b2e9abb35c86cb2259bf7cdf639fd0df9d39f /csu
parentffd0e1b7e9b540716e5a98b49157eb1aed231b57 (diff)
downloadglibc-b52bbc1bdf3886da8dd3265fd955cafe5368d34a.tar.gz
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USE_TLS support is now default.
	* tls.make.c: USE_TLS support is now default.
	* csu/Versions: Likewise.
	* csu/libc-start.c: Likewise.
	* csu/libc-tls.c: Likewise.
	* csu/version.c: Likewise.
	* dlfcn/dlinfo.c: Likewise.
	* elf/dl-addr.c: Likewise.
	* elf/dl-cache.c: Likewise.
	* elf/dl-close.c: Likewise.
	* elf/dl-iteratephdr.c: Likewise.
	* elf/dl-load.c: Likewise.
	* elf/dl-lookup.c: Likewise.
	* elf/dl-object.c: Likewise.
	* elf/dl-open.c: Likewise.
	* elf/dl-reloc.c: Likewise.
	* elf/dl-support.c: Likewise.
	* elf/dl-sym.c: Likewise.
	* elf/dl-sysdep.c: Likewise.
	* elf/dl-tls.c: Likewise.
	* elf/ldconfig.c: Likewise.
	* elf/rtld.c: Likewise.
	* elf/tst-tls-dlinfo.c: Likewise.
	* elf/tst-tls1.c: Likewise.
	* elf/tst-tls10.h: Likewise.
	* elf/tst-tls14.c: Likewise.
	* elf/tst-tls2.c: Likewise.
	* elf/tst-tls3.c: Likewise.
	* elf/tst-tls4.c: Likewise.
	* elf/tst-tls5.c: Likewise.
	* elf/tst-tls6.c: Likewise.
	* elf/tst-tls7.c: Likewise.
	* elf/tst-tls8.c: Likewise.
	* elf/tst-tls9.c: Likewise.
	* elf/tst-tlsmod1.c: Likewise.
	* elf/tst-tlsmod13.c: Likewise.
	* elf/tst-tlsmod13a.c: Likewise.
	* elf/tst-tlsmod14a.c: Likewise.
	* elf/tst-tlsmod2.c: Likewise.
	* elf/tst-tlsmod3.c: Likewise.
	* elf/tst-tlsmod4.c: Likewise.
	* elf/tst-tlsmod5.c: Likewise.
	* elf/tst-tlsmod6.c: Likewise.
	* include/errno.h: Likewise.
	* include/link.h: Likewise.
	* include/tls.h: Likewise.
	* locale/global-locale.c: Likewise.
	* locale/localeinfo.h: Likewise.
	* malloc/arena.c: Likewise.
	* malloc/hooks.c: Likewise.
	* malloc/malloc.c: Likewise.
	* resolv/Versions: Likewise.
	* sysdeps/alpha/dl-machine.h: Likewise.
	* sysdeps/alpha/libc-tls.c: Likewise.
	* sysdeps/generic/ldsodefs.h: Likewise.
	* sysdeps/generic/tls.h: Likewise.
	* sysdeps/i386/dl-machine.h: Likewise.
	* sysdeps/ia64/dl-machine.h: Likewise.
	* sysdeps/ia64/libc-tls.c: Likewise.
	* sysdeps/mach/hurd/fork.c: Likewise.
	* sysdeps/mach/hurd/i386/tls.h: Likewise.
	* sysdeps/powerpc/powerpc32/dl-machine.c: Likwise.
	* sysdeps/powerpc/powerpc32/dl-machine.h: Likewise.
	* sysdeps/powerpc/powerpc64/dl-machine.h: Likewise.
	* sysdeps/s390/libc-tls.c: Likewise.
	* sysdeps/s390/s390-32/dl-machine.h: Likewise.
	* sysdeps/s390/s390-64/dl-machine.h: Likewise.
	* sysdeps/sh/dl-machine.h: Likewise.
	* sysdeps/sparc/sparc32/dl-machine.h: Likewise.
	* sysdeps/sparc/sparc64/dl-machine.h: Likewise.
	* sysdeps/x86_64/dl-machine.h: Likewise.
Diffstat (limited to 'csu')
-rw-r--r--csu/Versions4
-rw-r--r--csu/libc-start.c17
-rw-r--r--csu/libc-tls.c58
-rw-r--r--csu/version.c3
4 files changed, 28 insertions, 54 deletions
diff --git a/csu/Versions b/csu/Versions
index a1321a9df8..f0b4f00549 100644
--- a/csu/Versions
+++ b/csu/Versions
@@ -5,7 +5,7 @@ libc {
     # helper functions
     __libc_init_first; __libc_start_main;
 
-%if !(USE_TLS && HAVE___THREAD)
+%if !HAVE___THREAD
     # global variables
     _errno;
 
@@ -18,7 +18,7 @@ libc {
     gnu_get_libc_release; gnu_get_libc_version;
   }
   GLIBC_PRIVATE {
-%if USE_TLS && HAVE___THREAD
+%if HAVE___THREAD
     # This version is for the TLS symbol, GLIBC_2.0 is the old object symbol.
     errno;
 %endif
diff --git a/csu/libc-start.c b/csu/libc-start.c
index 194db6b1ec..634844759d 100644
--- a/csu/libc-start.c
+++ b/csu/libc-start.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2003, 2004, 2005 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2003, 2004, 2005, 2006 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
@@ -30,11 +30,7 @@ extern int __libc_multiple_libcs;
 #include <tls.h>
 #ifndef SHARED
 # include <dl-osinfo.h>
-extern void __pthread_initialize_minimal (void)
-# if !(USE_TLS - 0) && !defined NONTLS_INIT_TP
-     __attribute__ ((weak))
-# endif
-     ;
+extern void __pthread_initialize_minimal (void);
 # ifndef THREAD_SET_STACK_GUARD
 /* Only exported for architectures that don't store the stack guard canary
    in thread local area.  */
@@ -140,13 +136,8 @@ LIBC_START_MAIN (int (*main) (int, char **, char ** MAIN_AUXVEC_DECL),
 
   /* Initialize the thread library at least a bit since the libgcc
      functions are using thread functions if these are available and
-     we need to setup errno.  If there is no thread library and we
-     handle TLS the function is defined in the libc to initialized the
-     TLS handling.  */
-# if !(USE_TLS - 0) && !defined NONTLS_INIT_TP
-  if (__pthread_initialize_minimal)
-# endif
-    __pthread_initialize_minimal ();
+     we need to setup errno.  */
+  __pthread_initialize_minimal ();
 #endif
 
 # ifndef SHARED
diff --git a/csu/libc-tls.c b/csu/libc-tls.c
index 3544e396da..0d240ccef9 100644
--- a/csu/libc-tls.c
+++ b/csu/libc-tls.c
@@ -1,5 +1,5 @@
 /* Initialization code for TLS in statically linked application.
-   Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2003, 2004, 2005, 2006 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
@@ -29,7 +29,6 @@
  #error makefile bug, this file is for static only
 #endif
 
-#ifdef USE_TLS
 extern ElfW(Phdr) *_dl_phdr;
 extern size_t _dl_phnum;
 
@@ -143,19 +142,19 @@ __libc_setup_tls (size_t tcbsize, size_t tcbalign)
      The initialized value of _dl_tls_static_size is provided by dl-open.c
      to request some surplus that permits dynamic loading of modules with
      IE-model TLS.  */
-# if TLS_TCB_AT_TP
+#if TLS_TCB_AT_TP
   tcb_offset = roundup (memsz + GL(dl_tls_static_size), tcbalign);
   tlsblock = __sbrk (tcb_offset + tcbsize + max_align);
-# elif TLS_DTV_AT_TP
+#elif TLS_DTV_AT_TP
   tcb_offset = roundup (tcbsize, align ?: 1);
   tlsblock = __sbrk (tcb_offset + memsz + max_align
 		     + TLS_PRE_TCB_SIZE + GL(dl_tls_static_size));
   tlsblock += TLS_PRE_TCB_SIZE;
-# else
+#else
   /* In case a model with a different layout for the TCB and DTV
      is defined add another #elif here and in the following #ifs.  */
-#  error "Either TLS_TCB_AT_TP or TLS_DTV_AT_TP must be defined"
-# endif
+# error "Either TLS_TCB_AT_TP or TLS_DTV_AT_TP must be defined"
+#endif
 
   /* Align the TLS block.  */
   tlsblock = (void *) (((uintptr_t) tlsblock + max_align - 1)
@@ -166,16 +165,16 @@ __libc_setup_tls (size_t tcbsize, size_t tcbalign)
   // static_dtv[1].counter = 0;		would be needed if not already done
 
   /* Initialize the TLS block.  */
-# if TLS_TCB_AT_TP
+#if TLS_TCB_AT_TP
   static_dtv[2].pointer.val = ((char *) tlsblock + tcb_offset
 			       - roundup (memsz, align ?: 1));
   static_map.l_tls_offset = roundup (memsz, align ?: 1);
-# elif TLS_DTV_AT_TP
+#elif TLS_DTV_AT_TP
   static_dtv[2].pointer.val = (char *) tlsblock + tcb_offset;
   static_map.l_tls_offset = tcb_offset;
-# else
-#  error "Either TLS_TCB_AT_TP or TLS_DTV_AT_TP must be defined"
-# endif
+#else
+# error "Either TLS_TCB_AT_TP or TLS_DTV_AT_TP must be defined"
+#endif
   static_dtv[2].pointer.is_static = true;
   /* sbrk gives us zero'd memory, so we don't need to clear the remainder.  */
   memcpy (static_dtv[2].pointer.val, initimage, filesz);
@@ -183,16 +182,16 @@ __libc_setup_tls (size_t tcbsize, size_t tcbalign)
   /* Install the pointer to the dtv.  */
 
   /* Initialize the thread pointer.  */
-# if TLS_TCB_AT_TP
+#if TLS_TCB_AT_TP
   INSTALL_DTV ((char *) tlsblock + tcb_offset, static_dtv);
 
   const char *lossage = TLS_INIT_TP ((char *) tlsblock + tcb_offset, 0);
-# elif TLS_DTV_AT_TP
+#elif TLS_DTV_AT_TP
   INSTALL_DTV (tlsblock, static_dtv);
   const char *lossage = TLS_INIT_TP (tlsblock, 0);
-# else
-#  error "Either TLS_TCB_AT_TP or TLS_DTV_AT_TP must be defined"
-# endif
+#else
+# error "Either TLS_TCB_AT_TP or TLS_DTV_AT_TP must be defined"
+#endif
   if (__builtin_expect (lossage != NULL, 0))
     __libc_fatal (lossage);
 
@@ -212,11 +211,11 @@ __libc_setup_tls (size_t tcbsize, size_t tcbalign)
 
   memsz = roundup (memsz, align ?: 1);
 
-# if TLS_TCB_AT_TP
+#if TLS_TCB_AT_TP
   memsz += tcbsize;
-# elif TLS_DTV_AT_TP
+#elif TLS_DTV_AT_TP
   memsz += tcb_offset;
-# endif
+#endif
 
   init_static_tls (memsz, MAX (TLS_TCB_ALIGN, max_align));
 }
@@ -230,11 +229,11 @@ _dl_tls_setup (void)
 {
   init_slotinfo ();
   init_static_tls (
-# if TLS_TCB_AT_TP
+#if TLS_TCB_AT_TP
 		   TLS_TCB_SIZE,
-# else
+#else
 		   0,
-# endif
+#endif
 		   TLS_TCB_ALIGN);
   return 0;
 }
@@ -248,16 +247,3 @@ __pthread_initialize_minimal (void)
 {
   __libc_setup_tls (TLS_INIT_TCB_SIZE, TLS_INIT_TCB_ALIGN);
 }
-
-#elif defined NONTLS_INIT_TP
-
-/* This is the minimal initialization function used when libpthread is
-   not used.  */
-void
-__attribute__ ((weak))
-__pthread_initialize_minimal (void)
-{
-  NONTLS_INIT_TP;
-}
-
-#endif
diff --git a/csu/version.c b/csu/version.c
index 2196d20432..1b98c4a7e9 100644
--- a/csu/version.c
+++ b/csu/version.c
@@ -34,9 +34,6 @@ Compiled by GNU CC version "__VERSION__".\n"
 #ifdef GLIBC_OLDEST_ABI
 "The oldest ABI supported: " GLIBC_OLDEST_ABI ".\n"
 #endif
-#ifdef USE_TLS
-"Thread-local storage support included.\n"
-#endif
 "For bug reporting instructions, please see:\n\
 <http://www.gnu.org/software/libc/bugs.html>.\n";