* 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, 115 insertions, 0 deletions

diff --git a/elf/rtld-Rules b/elf/rtld-Rules
new file mode 100644
index 0000000000..03fe25d5cd
--- /dev/null
+++ b/elf/rtld-Rules
@@ -0,0 +1,115 @@
+# Subroutine makefile for compiling libc modules linked into dynamic linker.
+
+# Copyright (C) 2002 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
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+
+# The GNU C Library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+
+# You should have received a copy of the GNU Lesser General Public
+# License along with the GNU C Library; if not, write to the Free
+# Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+# 02111-1307 USA.
+
+# This makefile is never used by itself, but only from the rtld-libc.a
+# rule in Makefile, which does make -f librtld.mk -f rtld-Rules.
+# librtld.mk is the generated file containing variable definitions for
+# `rtld-subdirs', a subset of the top-level $(subdirs) list; and for each
+# SUBDIR in $(rtld-subdirs), `rtld-SUBDIR' listing `module.os' file names.
+
+.PHONY: rtld-all
+rtld-all:
+
+# When run from the elf/Makefile to build rtld-libc.a, $(subdir) is elf.
+ifeq ($(subdir),elf)
+
+ifndef rtld-subdirs
+error This is makefile is a subroutine of elf/Makefile not to be used directly
+endif
+
+include ../Makeconfig
+
+rtld-all: $(objpfx)rtld-libc.a
+
+$(objpfx)rtld-libc.a: $(foreach dir,$(rtld-subdirs),\
+				$(addprefix $(common-objpfx)$(dir)/rtld-,\
+					    $(rtld-$(dir))))
+	@-rm -f $@T
+	$(AR) cq $@T $^
+	$(RANLIB) $@T
+	mv -f $@T $@
+
+# For each subdirectory, define a pattern rule that makes all of that
+# subdirectory's modules at once with one recursive make command.
+object-suffixes-left := $(rtld-subdirs)
+define o-iterator-doit
+$(foreach obj,$(rtld-$o),$(common-objpfx)%/rtld-$(obj)): FORCE ; \
+	+$$(rtld-subdir-make)
+endef
+include $(patsubst %,../o-iterator.mk,$(object-suffixes-left))
+
+# This is how we descend into each subdirectory.  See below.
+define rtld-subdir-make
+$(MAKE) -C ../$* objdir=$(objdir) -f Makefile -f ../elf/rtld-Rules rtld-all \
+	rtld-modules='$(addprefix rtld-,$(rtld-$*))'
+endef
+
+FORCE:
+
+else
+
+# In this case we are being run by $(rtld-subdir-make), above.
+# Some other subdir's Makefile has provided all its normal rules,
+# and we just provide some additional definitions.
+
+# These are the basic compilation rules corresponding to the Makerules ones.
+# The sysd-rules generated makefile already defines pattern rules for rtld-%
+# targets built from sysdeps source files.
+$(objpfx)rtld-%.os: %.S $(before-compile); $(compile-command.S)
+$(objpfx)rtld-%.d: %.S $(before-compile); $(+make-deps)
+$(objpfx)rtld-%.os: %.s $(before-compile); $(compile-command.s)
+$(objpfx)rtld-%.d: %.s $(before-compile); $(+make-deps)
+$(objpfx)rtld-%.os: %.c $(before-compile); $(compile-command.c)
+$(objpfx)rtld-%.d: %.c $(before-compile); $(+make-deps)
+
+# The rules for generated source files.
+$(objpfx)rtld-%.os: $(objpfx)%.S $(before-compile); $(compile-command.S)
+$(objpfx)rtld-%.d: $(objpfx)%.S $(before-compile); $(+make-deps)
+$(objpfx)rtld-%.os: $(objpfx)%.s $(before-compile); $(compile-command.s)
+$(objpfx)rtld-%.d: $(objpfx)%.s $(before-compile); $(+make-deps)
+$(objpfx)rtld-%.os: $(objpfx)%.c $(before-compile); $(compile-command.c)
+$(objpfx)rtld-%.d: $(objpfx)%.c $(before-compile); $(+make-deps)
+
+# The command line setting of rtld-modules (see above) tells us
+# what we need to build, and that tells us what dependency files we need.
+rtld-all: $(addprefix $(objpfx),$(rtld-modules))
+
+# Figure out the dependency files we need.  After respecting the $(omit-deps)
+# list as applied to the names without the `rtld-', there may be none left.
+rtld-depfiles := $(patsubst %,$(objpfx)rtld-%.d,\
+			    $(filter-out $(omit-deps),\
+					 $(rtld-modules:rtld-%.os=%)))
+ifdef rtld-depfiles
+-include $(rtld-depfiles)
+endif
+
+# Just in case we wind up e.g. regenerating dependencies for non-rtld objects,
+# we don't unconditionally modify the flags.  For rtld-% targets, use the
+# special flags set below.
+CFLAGS   += $(if $(filter rtld-%,$(@F)),$(CFLAGS-rtld))
+CPPFLAGS += $(if $(filter rtld-%,$(@F)),$(CPPFLAGS-rtld))
+
+
+# This here is the whole point of all the shenanigans.
+CPPFLAGS-rtld := -DNOT_IN_libc=1 -DIS_IN_rtld=1
+CFLAGS-rtld := # blah
+
+
+endif