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Update.
2003-05-28 Ulrich Drepper <drepper@redhat.com> * include/libc-symbols.h: Define hidden attribute for real also if LIBC_NONSHARED is defined. Patch by Jakub Jelinek. * csu/Makefile: Add rules to build Scrt1.o. * sysdeps/i386/elf/start.S: Make code compilable with SHARED.
This commit is contained in:
Ulrich Drepper
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40a54e4d8d
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bc4647a17c
@ -1,3 +1,11 @@
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2003-05-28 Ulrich Drepper <drepper@redhat.com>
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* include/libc-symbols.h: Define hidden attribute for real also if
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LIBC_NONSHARED is defined. Patch by Jakub Jelinek.
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* csu/Makefile: Add rules to build Scrt1.o.
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* sysdeps/i386/elf/start.S: Make code compilable with SHARED.
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2003-05-27 Jakub Jelinek <jakub@redhat.com>
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* stdio-common/vfprintf.c (process_arg, process_string_arg): Use
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19
csu/Makefile
19
csu/Makefile
@ -31,11 +31,12 @@ routines = init-first libc-start $(libc-init) sysdep version check_fds \
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aux = errno
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elide-routines.os = libc-tls
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static-only-routines = elf-init
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csu-dummies = $(filter-out $(start-installed-name),crt1.o Mcrt1.o)
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csu-dummies = $(filter-out $(start-installed-name),crt1.o Scrt1.o Mcrt1.o)
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extra-objs = start.o gmon-start.o \
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$(start-installed-name) g$(start-installed-name) $(csu-dummies)
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omit-deps = $(patsubst %.o,%,$(start-installed-name) g$(start-installed-name) \
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b$(start-installed-name) $(csu-dummies))
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b$(start-installed-name) $(csu-dummies) \
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S$(start-installed-name))
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install-lib = $(start-installed-name) g$(start-installed-name) $(csu-dummies)
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distribute = initfini.c gmon-start.c start.c defs.awk munch.awk \
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abi-note.S init.c munch-tmpl.c not-cancel.h
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@ -49,6 +50,11 @@ all: # Make this the default target; it will be defined in Rules.
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include ../Makeconfig
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ifeq (yes,$(build-shared))
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extra-objs += S$(start-installed-name)
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install-lib += S$(start-installed-name)
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endif
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ifeq (yes,$(build-bounded))
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extra-objs += b$(start-installed-name)
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install-lib += b$(start-installed-name)
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@ -149,6 +155,9 @@ ifeq (yes,$(elf))
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$(objpfx)$(start-installed-name): $(objpfx)start.o $(objpfx)abi-note.o \
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$(objpfx)init.o
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$(link-relocatable)
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$(objpfx)S$(start-installed-name): $(objpfx)start.os $(objpfx)abi-note.o \
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$(objpfx)init.o
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$(link-relocatable)
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$(objpfx)b$(start-installed-name): $(objpfx)start.ob $(objpfx)abi-note.ob \
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$(objpfx)init.ob
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$(link-relocatable)
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@ -158,6 +167,9 @@ else
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$(objpfx)$(start-installed-name): $(objpfx)start.o
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rm -f $@
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ln $< $@
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$(objpfx)S$(start-installed-name): $(objpfx)start.os
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rm -f $@
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ln $< $@
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$(objpfx)b$(start-installed-name): $(objpfx)start.ob
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rm -f $@
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ln $< $@
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@ -174,7 +186,8 @@ $(addprefix $(objpfx),$(sort g$(start-installed-name) \
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# These extra files are sometimes expected by system standard linking
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# procedures, but we have nothing for them to do. So compile empty files.
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$(addprefix $(objpfx),$(filter-out $(start-installed-name),$(csu-dummies))):\
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$(addprefix $(objpfx),$(filter-out $(start-installed-name)\
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S$(start-installed-name),$(csu-dummies))):\
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$(before-compile)
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$(COMPILE.c) -o $@ -x c /dev/null
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@ -441,7 +441,8 @@
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strong_alias(real, name)
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#endif
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#if defined HAVE_VISIBILITY_ATTRIBUTE && defined SHARED
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#if defined HAVE_VISIBILITY_ATTRIBUTE \
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&& (defined SHARED || defined LIBC_NONSHARED)
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# define attribute_hidden __attribute__ ((visibility ("hidden")))
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#else
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# define attribute_hidden
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@ -1 +1 @@
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NPTL 0.40 by Ulrich Drepper
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NPTL 0.41 by Ulrich Drepper
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@ -1,5 +1,5 @@
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/* Startup code compliant to the ELF i386 ABI.
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Copyright (C) 1995,1996,1997,1998,2000,2001, 2002 Free Software Foundation, Inc.
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Copyright (C) 1995-1998,2000,2001,2002,2003 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -67,6 +67,27 @@ _start:
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pushl %edx /* Push address of the shared library
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termination function. */
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#ifdef SHARED
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/* Load PIC register. */
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call 1f
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addl $_GLOBAL_OFFSET_TABLE_, %ebx
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/* Push address of our own entry points to .fini and .init. */
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leal __libc_csu_fini@GOTOFF(%ebx), %eax
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pushl %eax
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leal __libc_csu_init@GOTOFF(%ebx), %eax
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pushl %eax
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pushl %ecx /* Push second argument: argv. */
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pushl %esi /* Push first argument: argc. */
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leal BP_SYM (main)@GOTOFF(%ebx), %eax
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pushl %eax
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/* Call the user's main function, and exit with its value.
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But let the libc call main. */
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call BP_SYM (__libc_start_main)@PLT
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#else
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/* Push address of our own entry points to .fini and .init. */
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pushl $__libc_csu_fini
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pushl $__libc_csu_init
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@ -79,9 +100,15 @@ _start:
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/* Call the user's main function, and exit with its value.
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But let the libc call main. */
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call BP_SYM (__libc_start_main)
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#endif
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hlt /* Crash if somehow `exit' does return. */
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#ifdef SHARED
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1: movl (%esp), %ebx
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ret
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#endif
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/* To fulfill the System V/i386 ABI we need this symbol. Yuck, it's so
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meaningless since we don't support machines < 80386. */
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.section .rodata
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