278 lines
8.8 KiB
Makefile
278 lines
8.8 KiB
Makefile
# 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)
|
|
# But they are absent from the shared libc, because that code is in ld.so.
|
|
elide-routines.os = $(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
|
|
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 \
|
|
ldconfig.h ldconfig.c cache.c readlib.c readelflib.c \
|
|
dep1.c dep2.c dep3.c dep4.c
|
|
|
|
include ../Makeconfig
|
|
|
|
before-compile = $(objpfx)trusted-dirs.h
|
|
|
|
ifeq ($(versioning),yes)
|
|
ld-map = $(common-objpfx)ld.map
|
|
endif
|
|
|
|
ifeq (yes,$(build-shared))
|
|
extra-objs = $(rtld-routines:=.os) soinit.os sofini.os interp.os
|
|
generated = librtld.os dl-allobjs.os ld.so trusted-dirs.h trusted-dirs.st
|
|
install-others = $(inst_slibdir)/$(rtld-installed-name)
|
|
install-bin = ldd
|
|
generated += ldd
|
|
endif
|
|
|
|
others = sprof sln
|
|
install-bin += sprof
|
|
others-static = sln
|
|
install-rootsbin = sln
|
|
|
|
ifeq (yes,$(use-ldconfig))
|
|
others-static += ldconfig
|
|
others += ldconfig
|
|
install-rootsbin += ldconfig
|
|
|
|
ldconfig-modules := cache readlib xmalloc xstrdup
|
|
extra-objs += $(ldconfig-modules:=.o)
|
|
|
|
# To find xmalloc.c and xstrdup.c
|
|
vpath %.c ../locale/programs
|
|
|
|
endif
|
|
|
|
ifeq (yes,$(build-shared))
|
|
tests = loadtest restest1 preloadtest loadfail multiload origtest resolvfail \
|
|
constload1 order
|
|
endif
|
|
modules-names = testobj1 testobj2 testobj3 testobj4 testobj5 testobj6 \
|
|
testobj1_1 failobj constload2 constload3 \
|
|
dep1 dep2 dep3 dep4
|
|
extra-objs += $(modules-names:=.os)
|
|
|
|
include ../Rules
|
|
|
|
ifeq (yes,$(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: $(rtld-routines:%=$(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)
|
|
$(INSTALL_PROGRAM) $< $@.new
|
|
|
|
$(inst_slibdir)/$(rtld-installed-name): \
|
|
$(inst_slibdir)/$(rtld-version-installed-name) \
|
|
$(inst_slibdir)/libc-$(version).so
|
|
rm -f $@ $<
|
|
$(symbolic-link-prog) $<.new $@
|
|
ln $<.new $<
|
|
rm -f $@
|
|
$(symbolic-link-prog) $(<F) $@
|
|
rm -f $<.new
|
|
|
|
# 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)
|
|
|
|
test-modules = $(addprefix $(objpfx),$(addsuffix .so,$(modules-names)))
|
|
generated += $(addsuffix .so,$(modules-names))
|
|
|
|
$(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: $(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
|
|
|
|
$(test-modules): $(objpfx)%.so: $(objpfx)%.os
|
|
$(build-module)
|
|
|
|
$(objpfx)loadtest: $(libdl)
|
|
LDFLAGS-loadtest = -rdynamic
|
|
|
|
$(objpfx)loadtest.out: $(test-modules)
|
|
|
|
$(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)
|
|
$(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
|