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# Copyright (C) 1995-1999, 2000 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 Library General Public License as | |
# published by the Free Software Foundation; either version 2 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 | |
# Library General Public License for more details. | |
# You should have received a copy of the GNU Library General Public | |
# License along with the GNU C Library; see the file COPYING.LIB. If not, | |
# write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
# Boston, MA 02111-1307, USA. | |
# Makefile for elf subdirectory of GNU C Library. | |
subdir := elf | |
headers = elf.h bits/elfclass.h link.h | |
routines = $(dl-routines) dl-open dl-close dl-symbol dl-support \ | |
dl-addr enbl-secure dl-profstub dl-origin dl-libc dl-sym | |
# The core dynamic linking functions are in libc for the static and | |
# profiled libraries. | |
dl-routines = $(addprefix dl-,load cache lookup object reloc deps \ | |
runtime error init fini debug misc \ | |
version profile) | |
all-dl-routines = $(dl-routines) $(sysdep-dl-routines) | |
# But they are absent from the shared libc, because that code is in ld.so. | |
elide-routines.os = $(all-dl-routines) dl-support enbl-secure | |
# ld.so uses those routines, plus some special stuff for being the program | |
# interpreter and operating independent of libc. | |
rtld-routines := rtld $(dl-routines) dl-sysdep dl-environ dl-minimal | |
all-rtld-routines = $(rtld-routines) $(sysdep-rtld-routines) | |
distribute := $(rtld-routines:=.c) dynamic-link.h do-rel.h dl-machine.h \ | |
dl-cache.h dl-hash.h soinit.c sofini.c ldd.bash.in \ | |
genrtldtbl.awk atomicity.h dl-procinfo.h ldsodefs.h \ | |
dl-librecon.h interp.c sln.c dl-dst.h hp-timing.h \ | |
do-lookup.h dl-lookupcfg.h sprof.c gen-trusted-dirs.awk \ | |
testobj1.c testobj2.c testobj3.c testobj4.c testobj5.c \ | |
testobj6.c testobj1_1.c failobj.c unloadmod.c \ | |
ldconfig.h ldconfig.c cache.c readlib.c readelflib.c \ | |
chroot_canon.c gccframe.h \ | |
dep1.c dep2.c dep3.c dep4.c dl-dtprocnum.h unsecvars.h \ | |
vismain.c vismod1.c vismod2.c vismod3.c \ | |
constload2.c constload3.c filtmod1.c filtmod2.c \ | |
nodlopenmod.c nodelete.c nodelmod1.c nodelmod2.c \ | |
nodelmod3.c nodelmod4.c nodlopen.c dl-osinfo.h \ | |
reldepmod1.c reldepmod2.c reldepmod3.c reldepmod4.c \ | |
nextmod1.c nextmod2.c pathoptobj.c tst-pathopt.sh \ | |
neededobj1.c neededobj2.c neededobj3.c neededobj4.c \ | |
unload2mod.c unload2dep.c ltglobmod1.c ltglobmod2.c \ | |
testobj.h | |
include ../Makeconfig | |
before-compile = $(objpfx)trusted-dirs.h | |
generated := trusted-dirs.h trusted-dirs.st for-renamed/renamed.so | |
generated-dirs := for-renamed | |
ifeq ($(versioning),yes) | |
ld-map = $(common-objpfx)ld.map | |
endif | |
ifeq (yes,$(build-shared)) | |
extra-objs = $(all-rtld-routines:%=%.os) soinit.os sofini.os interp.os | |
generated += librtld.os dl-allobjs.os ld.so ldd | |
install-others = $(inst_slibdir)/$(rtld-installed-name) | |
install-bin = ldd | |
endif | |
others = sprof sln | |
install-bin += sprof | |
others-static = sln | |
install-rootsbin = sln | |
ifeq (yes,$(use-ldconfig)) | |
ifeq (yes,$(build-shared)) | |
others-static += ldconfig | |
others += ldconfig | |
install-rootsbin += ldconfig | |
ldconfig-modules := cache readlib xmalloc xstrdup chroot_canon | |
extra-objs += $(ldconfig-modules:=.o) | |
# To find xmalloc.c and xstrdup.c | |
vpath %.c ../locale/programs | |
endif | |
endif | |
ifeq (yes,$(build-shared)) | |
tests = loadtest restest1 preloadtest loadfail multiload origtest resolvfail \ | |
constload1 order $(tests-vis-$(have-protected)) noload filter unload \ | |
reldep reldep2 reldep3 next $(tests-nodelete-$(have-z-nodelete)) \ | |
$(tests-nodlopen-$(have-z-nodlopen)) neededtest neededtest2 \ | |
neededtest3 unload2 lateglobal | |
test-srcs = tst-pathopt | |
tests-vis-yes = vismain | |
tests-nodelete-yes = nodelete | |
tests-nodlopen-yes = nodlopen | |
endif | |
modules-names = testobj1 testobj2 testobj3 testobj4 testobj5 testobj6 \ | |
testobj1_1 failobj constload2 constload3 unloadmod \ | |
dep1 dep2 dep3 dep4 $(modules-vis-$(have-protected)) \ | |
$(modules-nodelete-$(have-z-nodelete)) \ | |
$(modules-nodlopen-$(have-z-nodlopen)) filtmod1 filtmod2 \ | |
reldepmod1 reldepmod2 reldepmod3 reldepmod4 nextmod1 nextmod2 \ | |
neededobj1 neededobj2 neededobj3 neededobj4 \ | |
unload2mod unload2dep ltglobmod1 ltglobmod2 pathoptobj | |
modules-vis-yes = vismod1 vismod2 vismod3 | |
modules-nodelete-yes = nodelmod1 nodelmod2 nodelmod3 nodelmod4 | |
modules-nodlopen-yes = nodlopenmod | |
extra-objs += $(addsuffix .os,$(strip $(modules-names))) | |
include ../Rules | |
ifeq (yes,$(build-shared)) | |
# Make sure these things are built in the `make lib' pass so they can be used | |
# to run programs during the `make others' pass. | |
lib-noranlib: $(objpfx)$(rtld-installed-name) \ | |
$(addprefix $(objpfx),$(extra-objs)) | |
endif | |
# Command to link into a larger single relocatable object. | |
reloc-link = $(LINK.o) -nostdlib -nostartfiles -r -o $@ | |
$(objpfx)dl-allobjs.os: $(all-rtld-routines:%=$(objpfx)%.os) | |
$(reloc-link) $^ | |
# Link together the dynamic linker into a single relocatable object. | |
$(objpfx)librtld.os: $(objpfx)dl-allobjs.os $(common-objpfx)libc_pic.a | |
$(reloc-link) '-Wl,-(' $^ -lgcc '-Wl,-)' | |
# Do we need a linker script? | |
rtld-ldscript-in := $(firstword $(wildcard $(+sysdep_dirs:%=%/rtld-ldscript.in))) | |
ifneq (,$(rtld-ldscript-in)) | |
rtld-ldscript = $(objpfx)rtld-ldscript | |
generated += rtld-ldscript | |
LDFLAGS-rtld = -T $(rtld-ldscript) | |
before-compile += $(rtld-ldscript) | |
rtld-parms = $(wildcard $(+sysdep_dirs:%=%/rtld-parms)) | |
include $(rtld-parms) | |
$(rtld-ldscript): $(rtld-ldscript-in) $(rtld-parms) | |
sed -e 's#@@rtld-oformat@@#$(rtld-oformat)#' \ | |
-e 's#@@rtld-arch@@#$(rtld-arch)#' \ | |
-e 's#@@rtld-entry@@#$(rtld-entry)#' \ | |
-e 's#@@rtld-base@@#$(rtld-base)#' $< >$@ | |
endif | |
$(objpfx)ld.so: $(objpfx)librtld.os $(rtld-ldscript) $(ld-map) | |
$(LINK.o) -nostdlib -nostartfiles -shared -o $@ $(LDFLAGS-rtld) \ | |
$(filter-out $(rtld-ldscript) $(map-file),$^) \ | |
$(load-map-file) -Wl,-soname=$(rtld-installed-name) | |
# interp.c exists just to get this string into the libraries. | |
CFLAGS-interp.c = -D'RUNTIME_LINKER="$(slibdir)/$(rtld-installed-name)"' | |
ifneq (ld.so,$(rtld-installed-name)) | |
# Make sure ld.so.1 exists in the build directory so we can link | |
# against it. | |
$(objpfx)$(rtld-installed-name): $(objpfx)ld.so | |
rm -f $@ | |
ln -s $(<F) $@ | |
generated += $(rtld-installed-name) | |
endif | |
# Build a file mentioning all trustworthy directories to look for shared | |
# libraries when using LD_LIBRARY_PATH in a setuid program. The user can | |
# add directories to the list by defining $(user-defined-trusted-dirs) | |
# before starting make. | |
$(objpfx)trusted-dirs.h: $(objpfx)trusted-dirs.st; @: | |
$(objpfx)trusted-dirs.st: Makefile $(..)Makeconfig | |
$(make-target-directory) | |
echo "$(subst :, ,$(default-rpath) $(user-defined-trusted-dirs))" \ | |
| $(AWK) -f gen-trusted-dirs.awk > ${@:st=T}; | |
$(move-if-change) ${@:st=T} ${@:st=h} | |
touch $@ | |
CPPFLAGS-dl-load.c = -I$(objpfx). | |
ifeq (yes,$(build-shared)) | |
$(inst_slibdir)/$(rtld-version-installed-name): $(objpfx)ld.so $(+force) | |
$(make-target-directory) | |
$(do-install-program) | |
$(inst_slibdir)/$(rtld-installed-name): \ | |
$(inst_slibdir)/$(rtld-version-installed-name) \ | |
$(inst_slibdir)/libc-$(version).so | |
$(make-shlib-link) | |
# Special target called by parent to install just the dynamic linker. | |
.PHONY: ldso_install | |
ldso_install: $(inst_slibdir)/$(rtld-installed-name) | |
endif | |
common-ldd-rewrite = -e 's%@RTLD@%$(slibdir)/$(rtld-installed-name)%g' \ | |
-e 's%@VERSION@%$(version)%g' | |
sh-ldd-rewrite = $(common-ldd-rewrite) -e 's%@BASH@%/bin/sh%g;s/\$$"/"/g' | |
bash-ldd-rewrite = $(common-ldd-rewrite) -e 's%@BASH@%$(BASH)%g' \ | |
-e 's%@TEXTDOMAINDIR@%$(msgcatdir)%g' | |
ifneq ($(have-bash2),yes) | |
ldd-shell = sh | |
else | |
ldd-shell = bash | |
endif | |
ifeq ($(ldd-rewrite-script),no) | |
define gen-ldd | |
sed $($(ldd-shell)-ldd-rewrite) < $< > $@.new | |
endef | |
else | |
define gen-ldd | |
sed $($(ldd-shell)-ldd-rewrite) < $< | sed -f $(ldd-rewrite-script) > $@.new | |
endef | |
endif | |
$(objpfx)ldd: ldd.bash.in $(common-objpfx)soversions.mk \ | |
$(common-objpfx)config.make | |
$(gen-ldd) | |
chmod 555 $@.new | |
mv -f $@.new $@ | |
$(objpfx)sprof: $(libdl) | |
$(objpfx)ldconfig: $(ldconfig-modules:%=$(objpfx)%.o) | |
SYSCONF-FLAGS := -D'SYSCONFDIR="$(sysconfdir)"' | |
CFLAGS-ldconfig.c = $(SYSCONF-FLAGS) -D'LIBDIR="$(libdir)"' -D'SLIBDIR="$(slibdir)"' | |
CFLAGS-dl-cache.c = $(SYSCONF-FLAGS) | |
CFLAGS-cache.c = $(SYSCONF-FLAGS) | |
test-modules = $(addprefix $(objpfx),$(addsuffix .so,$(strip $(modules-names)))) | |
generated += $(addsuffix .so,$(strip $(modules-names))) | |
tests: $(objpfx)tst-pathopt.out | |
$(objpfx)testobj1.so: $(libdl) | |
$(objpfx)testobj1_1.so: $(objpfx)testobj1.so $(libdl) | |
$(objpfx)testobj2.so: $(objpfx)testobj1.so $(libdl) | |
$(objpfx)testobj3.so: $(libdl) | |
$(objpfx)testobj4.so: $(libdl) | |
$(objpfx)testobj5.so: $(libdl) | |
$(objpfx)testobj6.so: $(objpfx)testobj1.so $(objpfx)testobj2.so $(libdl) | |
$(objpfx)failobj.so: $(objpfx)testobj6.so | |
$(objpfx)dep1.so: $(objpfx)dep2.so $(objpfx)dep4.so | |
$(objpfx)dep2.so: $(objpfx)dep3.so $(objpfx)dep4.so | |
$(objpfx)dep4.so: $(objpfx)dep3.so | |
$(objpfx)nodelmod3.so: $(objpfx)nodelmod4.so | |
$(objpfx)nextmod1.so: $(libdl) | |
$(objpfx)neededobj1.so: $(libdl) | |
$(objpfx)neededobj2.so: $(objpfx)neededobj1.so $(libdl) | |
$(objpfx)neededobj3.so: $(objpfx)neededobj1.so $(objpfx)neededobj2.so $(libdl) | |
$(objpfx)neededobj4.so: $(objpfx)neededobj1.so $(objpfx)neededobj2.so \ | |
$(objpfx)neededobj3.so $(libdl) | |
$(objpfx)unload2mod.so: $(objpfx)unload2dep.so | |
$(objpfx)ltglobmod2.so: $(libdl) | |
# filtmod1.so has a special rule | |
$(filter-out $(objpfx)filtmod1.so, $(test-modules)): $(objpfx)%.so: $(objpfx)%.os | |
$(build-module) | |
$(objpfx)loadtest: $(libdl) | |
LDFLAGS-loadtest = -rdynamic | |
$(objpfx)loadtest.out: $(test-modules) | |
$(objpfx)neededtest: $(libdl) | |
$(objpfx)neededtest.out: $(objpfx)neededobj1.so $(objpfx)neededobj2.so \ | |
$(objpfx)neededobj3.so | |
$(objpfx)neededtest2: $(libdl) | |
$(objpfx)neededtest2.out: $(objpfx)neededobj1.so $(objpfx)neededobj2.so \ | |
$(objpfx)neededobj3.so | |
$(objpfx)neededtest3: $(libdl) | |
$(objpfx)neededtest3.out: $(objpfx)neededobj1.so $(objpfx)neededobj2.so \ | |
$(objpfx)neededobj3.so $(objpfx)neededobj4.so | |
$(objpfx)restest1: $(objpfx)testobj1.so $(objpfx)testobj1_1.so $(libdl) | |
LDFLAGS-restest1 = -rdynamic | |
$(objpfx)restest1.out: $(test-modules) | |
preloadtest-preloads = testobj1 testobj2 testobj3 testobj4 testobj5 | |
$(objpfx)preloadtest: $(objpfx)testobj6.so | |
LDFLAGS-preloadtest = -rdynamic | |
$(objpfx)preloadtest.out: $(preloadtest-preloads:%=$(objpfx)%.so) | |
preloadtest-ENV = \ | |
LD_PRELOAD=$(subst $(empty) ,:,$(strip $(preloadtest-preloads:=.so))) | |
$(objpfx)loadfail: $(libdl) | |
LDFLAGS-loadfail = -rdynamic | |
$(objpfx)loadfail.out: $(objpfx)failobj.so | |
$(objpfx)multiload: $(libdl) | |
LDFLAGS-multiload = -rdynamic | |
CFLAGS-multiload.c = -DOBJDIR=\"$(elf-objpfx)\" | |
$(objpfx)multiload.out: $(objpfx)testobj1.so | |
$(objpfx)origtest: $(libdl) | |
LDFLAGS-origtest = -rdynamic | |
$(objpfx)origtest.out: $(objpfx)testobj1.so | |
ifeq ($(have-thread-library),yes) | |
$(objpfx)resolvfail: $(libdl) $(shared-thread-library) | |
else | |
$(objpfx)resolvfail: $(libdl) | |
endif | |
$(objpfx)constload1: $(libdl) | |
$(objpfx)constload1.out: $(objpfx)constload2.so $(objpfx)constload3.so | |
$(objpfx)order: $(addprefix $(objpfx),dep4.so dep3.so dep2.so dep1.so) | |
$(objpfx)order.out: $(objpfx)order | |
$(elf-objpfx)$(rtld-installed-name) \ | |
--library-path $(rpath-link)$(patsubst %,:%,$(sysdep-library-path)) \ | |
$(objpfx)order > $@ | |
(echo "0123456789" | cmp $@ -) > /dev/null | |
$(objpfx)vismain: $(addprefix $(objpfx),vismod1.so vismod2.so) | |
$(objpfx)vismain.out: $(addprefix $(objpfx),vismod3.so) | |
vismain-ENV = LD_PRELOAD=$(addprefix $(objpfx),vismod3.so) | |
$(objpfx)noload: $(objpfx)testobj1.so | |
LDFLAGS-noload = -rdynamic | |
$(objpfx)noload.out: $(objpfx)testobj5.so | |
LDFLAGS-nodelete = -rdynamic | |
LDFLAGS-nodelmod1.so = -Wl,--enable-new-dtags,-z,nodelete | |
LDFLAGS-nodelmod4.so = -Wl,--enable-new-dtags,-z,nodelete | |
$(objpfx)nodelete: $(libdl) | |
$(objpfx)nodelete.out: $(objpfx)nodelmod1.so $(objpfx)nodelmod2.so \ | |
$(objpfx)nodelmod3.so | |
LDFLAGS-nodlopenmod.so = -Wl,--enable-new-dtags,-z,nodlopen | |
$(objpfx)nodlopen: $(libdl) | |
$(objpfx)nodlopen.out: $(objpfx)nodlopenmod.so | |
$(objpfx)filtmod1.so: $(objpfx)filtmod1.os $(objpfx)filtmod2.so | |
$(LINK.o) -shared -o $@ -B$(csu-objpfx) $(LDFLAGS.so) \ | |
-L$(subst :, -L,$(rpath-link)) \ | |
-Wl,-rpath-link=$(rpath-link) \ | |
$< -Wl,-F,$(objpfx)filtmod2.so | |
$(objpfx)filter: $(objpfx)filtmod1.so | |
$(objpfx)unload: $(libdl) | |
$(objpfx)unload.out: $(objpfx)unloadmod.so | |
$(objpfx)reldep: $(libdl) | |
$(objpfx)reldep.out: $(objpfx)reldepmod1.so $(objpfx)reldepmod2.so | |
$(objpfx)reldep2: $(libdl) | |
$(objpfx)reldep2.out: $(objpfx)reldepmod1.so $(objpfx)reldepmod3.so | |
$(objpfx)reldep3: $(libdl) | |
$(objpfx)reldep3.out: $(objpfx)reldepmod1.so $(objpfx)reldepmod4.so | |
$(objpfx)next: $(objpfx)nextmod1.so $(objpfx)nextmod2.so $(libdl) | |
$(objpfx)unload2: $(libdl) | |
$(objpfx)unload2.out: $(objpfx)unload2mod.so $(objpfx)unload2dep.so | |
$(objpfx)lateglobal: $(libdl) | |
$(objpfx)lateglobal.out: $(objpfx)ltglobmod1.so $(objpfx)ltglobmod2.so | |
$(objpfx)tst-pathopt: $(libdl) | |
$(objpfx)tst-pathopt.out: tst-pathopt.sh $(objpfx)tst-pathopt \ | |
$(objpfx)pathoptobj.so | |
$(SHELL) -e $< $(common-objpfx) |