* 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.

sysdeps/unix/sysv/linux/sh/sysdep.S

@@ -18,18 +18,6 @@
 
 #include <sysdep.h>
 
-/* We define errno here, to be consistent with Linux/i386.  */
-
-	.section .bss
-	.align 2
-	.globl C_SYMBOL_NAME(errno)
-	.type C_SYMBOL_NAME(errno), @object
-	.size C_SYMBOL_NAME(errno), 4
-C_SYMBOL_NAME(errno):
-	.space	4
-weak_alias (errno, _errno)
-	.text
-
 /* The syscall stubs jump here when they detect an error.
    The code for Linux is almost identical to the canonical Unix
    code, except that the error number in R0 is negated.  */