* sysdeps/generic/bits/libc-tsd.h [USE___THREAD]: Conditional

	changed from [USE_TLS && HAVE___THREAD].

	* sysdeps/i386/dl-machine.h (elf_machine_type_class, elf_machine_rel):
	Disable TLS relocs if [RTLD_BOOTSTRAP && !USE___THREAD].
	* sysdeps/x86_64/dl-machine.h
	(elf_machine_type_class, elf_machine_rela): Likewise.
	* sysdeps/sh/dl-machine.h (elf_machine_type_class, elf_machine_rela):
	Likewise.

	* include/link.h (struct link_map): Remove member l_tls_tp_initialized.
	* elf/rtld.c (_dl_start_final, dl_main): Don't use it.
	(_dl_start): Conditionalize PT_TLS check on [USE___THREAD].

	* sysdeps/i386/dl-tls.h (__TLS_GET_ADDR): Use ___tls_get_addr_internal
	instead of ___tls_get_addr.
	(___tls_get_addr_internal): Add attribute_hidden to decl.

	* sysdeps/generic/ldsodefs.h (struct rtld_global): New variable
	_dl_error_catch_tsd.
	* elf/rtld.c (startup_error_tsd): New function.
	(dl_main): Point _dl_error_catch_tsd at that.
	* elf/dl-error.c: Don't use libc-tsd.h for DL_ERROR,
	use new function pointer instead.
	* elf/dl-tsd.c: New file.
	* elf/Makefile (routines): Add it.

2002-10-07  Roland McGrath  <roland@redhat.com>

	* elf/dl-misc.c (_dl_debug_vdprintf): Use INTERNAL_SYSCALL macro for
	writev if it's available.  Otherwise if [RTLD_PRIVATE_ERRNO] then
	take _dl_load_lock around calling __writev.

	* sysdeps/unix/sysv/linux/i386/sysdep.h (INTERNAL_SYSCALL): New macro.
	(INLINE_SYSCALL): Use that.

	* sysdeps/generic/dl-sysdep.h: New file.
	* sysdeps/mach/hurd/dl-sysdep.h: New file.
	* sysdeps/generic/ldsodefs.h: Include <dl-sysdep.h>.
	* include/errno.h [IS_IN_rtld]: Include <dl-sysdep.h> to define ...
	[RTLD_PRIVATE_ERRNO]: Use a hidden global variable for errno and
	access it directly.
	* elf/dl-minimal.c (__errno_location): Removed.
	* sysdeps/unix/i386/sysdep.S (__syscall_errno) [RTLD_PRIVATE_ERRNO]:
	Use GOTOFF access for errno.
	* sysdeps/unix/sysv/linux/i386/sysdep.h
	[RTLD_PRIVATE_ERRNO] (SYSCALL_ERROR_HANDLER): Likewise.

	* sysdeps/unix/x86_64/sysdep.S (__syscall_errno) [RTLD_PRIVATE_ERRNO]:
	Use PC-relative access for errno.
	* sysdeps/unix/sysv/linux/x86_64/sysdep.h
	[RTLD_PRIVATE_ERRNO] (SYSCALL_ERROR_HANDLER): Likewise.

	* include/tls.h: New file.
	(USE___THREAD): New macro.
	Define to 1 under [USE_TLS && HAVE___THREAD] and only when compiling
	libc or libpthread.
	* sysdeps/unix/sysv/linux/i386/sysdep.h [USE___THREAD]: Conditional
	changed from [USE_TLS && HAVE___THREAD].
	* sysdeps/unix/sysv/linux/x86_64/sysdep.h: Likewise.
	* sysdeps/unix/i386/sysdep.S: Likewise.
	* sysdeps/unix/x86_64/sysdep.S: Likewise.
	* include/errno.h: Likewise.
	* include/netdb.h: Likewise.
	* include/resolv.h: Likewise.

	* sysdeps/generic/errno.c: New file.
	* csu/Makefile (aux): New variable, list errno.
	* sysdeps/unix/sysv/linux/i386/sysdep.S (errno, _errno): Remove defns.
	* sysdeps/unix/sysv/linux/m68k/sysdep.S: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/sysdep.S: Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.S: Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S: Likewise.
	* sysdeps/unix/sysv/linux/arm/sysdep.S: Likewise.
	* sysdeps/unix/sysv/linux/cris/sysdep.S: Likewise.
	* sysdeps/unix/sysv/linux/hppa/sysdep.c: Likewise.
	* sysdeps/unix/sysv/linux/ia64/sysdep.S: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/sysdep.c: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sysdep.S: Likewise.
	* sysdeps/unix/sysv/linux/sh/sysdep.S: Likewise.
	* sysdeps/unix/alpha/sysdep.S: Likewise.
	* sysdeps/generic/start.c: Likewise.
	* sysdeps/unix/start.c: Likewise.
	* sysdeps/unix/arm/start.c: Likewise.
	* sysdeps/unix/bsd/ultrix4/mips/start.S: Likewise.
	* sysdeps/unix/sparc/start.c: Likewise.
	* sysdeps/unix/sysv/irix4/start.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/sysdep.S: File removed.

	* manual/search.texi (Tree Search Function, Hash Search Function):
	Mention search.h clearly.

2002-10-05  Roland McGrath  <roland@redhat.com>

	* elf/dl-fxstat64.c: File removed.
	* elf/dl-xstat64.c: File removed.
	* elf/Makefile (rtld-routines): Remove them.
	* sysdeps/unix/sysv/linux/xstat64.c: Remove RTLD_STAT64 conditionals.
	Instead, use strong_alias instead of versioned_symbol in the
	!SHLIB_COMPAT case.
	* sysdeps/unix/sysv/linux/fxstat64.c: Likewise.
	* sysdeps/unix/sysv/linux/lxstat64.c: Likewise.

	* include/shlib-compat.h
	(SHLIB_COMPAT): Require that IS_IN_##lib be defined nonzero.
	[! NOT_IN_libc] (IS_IN_libc): Define it.
	* cppflags-iterator.mk (CPPFLAGS-$(cpp-src)): Use -Dx=1 not just -Dx.
	* elf/Makefile (CPPFLAGS-.os): Likewise.

	* sunrpc/rpc_main.c (main): Don't declare with noreturn attribute.
	Return the status instead of calling exit.

	* Makeconfig (CFLAGS): Prepend -std=gnu99.
	* Makerules (+make-deps): Use $(CFLAGS) only for .c sources.
	Remove superfluous rm command, whose @ plus make bugs hid
	all these commands from the make output.

	* include/stubs-prologue.h: New file.  Give #error under #ifdef _LIBC.
	* Makefile ($(inst_includedir)/gnu/stubs.h): Depend on it.
	Use that file's contents instead of literal echo's for the prologue.
	* include/features.h: Include <gnu/stubs.h> unconditionally.
	* include/gnu/stubs.h: New file.

2002-09-30  Roland McGrath  <roland@redhat.com>

	* elf/rtld-Rules: New file.
	* elf/Makefile ($(objpfx)librtld.map, $(objpfx)librtld.mk,
	$(objpfx)rtld-libc.a): New targets.
	(generated): Add them.
	(reloc-link): Remove -o $@ from the variable.
	($(objpfx)dl-allobjs.os): Add -o $@ after $(reloc-link).
	(distribute): Add rtld-Rules.
	(CPPFLAGS-.os): Define this instead of CFLAGS-.os.
	* Makerules ($(+sysdir_pfx)sysd-rules): Emit rules for rtld-% targets.
	(common-mostlyclean, common-clean): Clean up rtld-* files.
	* sysdeps/unix/make-syscalls.sh: Add rtld-*.os target name to rules.

1 files changed, 12 insertions, 14 deletions

diff --git a/elf/dl-error.c b/elf/dl-error.c
index 0af8f2f..e8f2f3e 100644
--- a/elf/dl-error.c
+++ b/elf/dl-error.c
@@ -23,7 +23,6 @@
 #include <string.h>
 #include <unistd.h>
 #include <ldsodefs.h>
-#include <bits/libc-tsd.h>
 
 /* This structure communicates state between _dl_catch_error and
    _dl_signal_error.  */
@@ -38,11 +37,8 @@ struct catch
    calls can come from `_dl_map_object_deps', `_dlerror_run', or from
    any of the libc functionality which loads dynamic objects (NSS, iconv).
    Therefore we have to be prepared to save the state in thread-local
-   memory.  */
-
-__libc_tsd_define (static, DL_ERROR)
-#define tsd_getspecific()	__libc_tsd_get (DL_ERROR)
-#define tsd_setspecific(data)	__libc_tsd_set (DL_ERROR, (data))
+   memory.  The _dl_error_catch_tsd function pointer is reset by the thread
+   library so that it returns the address of a thread-local variable.  */
 
 
 /* This message we return as a last resort.  We define the string in a
@@ -72,7 +68,7 @@ _dl_signal_error (int errcode, const char *objname, const char *occation,
   if (! errstring)
     errstring = N_("DYNAMIC LINKER BUG!!!");
 
-  lcatch = tsd_getspecific ();
+  lcatch = *((*GL(dl_error_catch_tsd)) ());
   if (objname == NULL)
     objname = "";
   if (lcatch != NULL)
@@ -151,20 +147,21 @@ _dl_catch_error (const char **objname, const char **errstring,
      inefficient.  So we initialize `c' by hand.  */
   c.errstring = NULL;
 
-  old = tsd_getspecific ();
+  void **catchp = (*GL(dl_error_catch_tsd)) ();
+  old = *catchp;
   errcode = setjmp (c.env);
   if (__builtin_expect (errcode, 0) == 0)
     {
-      tsd_setspecific (&c);
+      *catchp = &c;
       (*operate) (args);
-      tsd_setspecific (old);
+      *catchp = old;
       *objname = NULL;
       *errstring = NULL;
       return 0;
     }
 
   /* We get here only if we longjmp'd out of OPERATE.  */
-  tsd_setspecific (old);
+  *catchp = old;
   *objname = c.objname;
   *errstring = c.errstring;
   return errcode == -1 ? 0 : errcode;
@@ -176,18 +173,19 @@ void
 internal_function
 _dl_receive_error (receiver_fct fct, void (*operate) (void *), void *args)
 {
+  void **catchp = (*GL(dl_error_catch_tsd)) ();
   struct catch *old_catch;
   receiver_fct old_receiver;
 
-  old_catch = tsd_getspecific ();
+  old_catch = *catchp;
   old_receiver = receiver;
 
   /* Set the new values.  */
-  tsd_setspecific (NULL);
+  *catchp = NULL;
   receiver = fct;
 
   (*operate) (args);
 
-  tsd_setspecific (old_catch);
+  *catchp = old_catch;
   receiver = old_receiver;
 }