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4 Commits

Author SHA1 Message Date
Roland McGrath
3fa5f1fa0a 2002-11-14 Roland McGrath <roland@redhat.com> 
* sysdeps/generic/errno.c (__libc_errno): Remove alias.
	* inet/herrno.c (__libc_h_errno): Likewise.
	* resolv/res_libc.c (__libc_res): Likewise.
	[USE___THREAD]: Use this in place of [USE_TLS && HAVE___THREAD].
	(__res_state) [! USE___THREAD]: Don't define as weak.
	* csu/Versions: Revert last change.
	* resolv/Versions: Revert last change.
 2002-11-15 03:36:52 +00:00
Roland McGrath
d8b8842b04 * sysdeps/generic/errno.c [! USE___THREAD] 
[HAVE_ELF && SHARED && DO_VERSIONING] (errno, _errno): Declare these
	with compat_symbol so they are not link-time visible.
	[! USE___THREAD] (__libc_errno): New alias for errno.
	* csu/Versions [!(USE_TLS && HAVE___THREAD)] (libc: GLIBC_PRIVATE):
	Add __libc_errno here.
	* inet/herrno.c [USE___THREAD]: Use this conditional
	in place of [USE_TLS && HAVE___THREAD].
	[! USE___THREAD] [HAVE_ELF && SHARED && DO_VERSIONING]
	(h_errno, _h_errno): Declare these with compat_symbol so they are not
	link-time visible.
	[! USE___THREAD] (__libc_h_errno): New alias for h_errno.
	* resolv/res_libc.c [! USE___THREAD]
	[HAVE_ELF && SHARED && DO_VERSIONING] (_res): Likewise.
	(_res): Use __attribute__ ((section (".bss"))) so we can have an alias.
	(__libc_res): Define as alias for _res.
	* resolv/Versions [!(USE_TLS && HAVE___THREAD)] (libc: GLIBC_PRIVATE):
	Add __libc_h_errno and __libc_res here.

2002-11-14  Jakub Jelinek  <jakub@redhat.com>

	* csu/Versions (errno): Move STT_TLS symbol to GLIBC_PRIVATE for now.
	* resolv/Versions (h_errno, _res): Likewise.

2002-11-14  Roland McGrath  <roland@redhat.com>
 2002-11-14 21:23:12 +00:00
Roland McGrath
9b21e6bcf8 2002-10-16 Jakub Jelinek <jakub@redhat.com> 
* include/libc-symbols.h (attribute_tls_model_ie): Define.
	* include/errno.h (errno): Define to __libc_errno in libc.so.
	Add attribute_tls_model_ie.
	* include/netdb.h (h_errno): Define to __libc_h_errno in libc.so.
	Add attribute_tls_model_ie.
	* include/resolv.h (_res): Define to __libc_res in libc.so.  Add
	attribute_tls_model_ie.
	* inet/herrno.c (__libc_h_errno): Add hidden alias to h_errno.
	(h_errno): Define.
	* resolv/res_libc.c (__libc_res): Add hidden alias to _res.
	(_res): Define.
	* sysdeps/generic/bits/libc-tsd.h (__libc_tsd_define): Add
	attribute_tls_model_ie.
	* sysdeps/generic/errno-loc.c (errno): Only undefine if not using
	__thread.
	* sysdeps/generic/errno.c (__libc_errno): Add hidden alias to errno.
	* sysdeps/unix/sysv/linux/i386/sysdep.h (SYSCALL_ERROR_HANDLER): Use
	__libc_errno in USE___THREAD case.
	* sysdeps/unix/sysv/linux/x86_64/sysdep.h (SYSCALL_ERROR_HANDLER):
	Likewise.
	* configure.in (HAVE_TLS_MODEL_ATTRIBUTE): Check for
	__attribute__((tls_model (""))).
	* configure: Rebuilt.
	* config.h.in (HAVE_TLS_MODEL_ATTRIBUTE): Add.
 2002-10-15 22:50:43 +00:00
Roland McGrath
ce460d04a5 * 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.
 2002-10-11 10:52:20 +00:00