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[glibc.git] / elf / Makefile
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1 # Copyright (C) 1995-1999, 2000, 2001 Free Software Foundation, Inc.
2 # This file is part of the GNU C Library.
4 # The GNU C Library is free software; you can redistribute it and/or
5 # modify it under the terms of the GNU Lesser General Public
6 # License as published by the Free Software Foundation; either
7 # version 2.1 of the License, or (at your option) any later version.
9 # The GNU C Library is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 # Lesser General Public License for more details.
14 # You should have received a copy of the GNU Lesser General Public
15 # License along with the GNU C Library; if not, write to the Free
16 # Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17 # 02111-1307 USA.
19 # Makefile for elf subdirectory of GNU C Library.
21 subdir := elf
23 headers = elf.h bits/elfclass.h link.h
24 routines = $(dl-routines) dl-open dl-close dl-support dl-iteratephdr \
25 dl-iteratephdr-static dl-addr enbl-secure dl-profstub \
26 dl-origin dl-libc dl-sym
28 # The core dynamic linking functions are in libc for the static and
29 # profiled libraries.
30 dl-routines = $(addprefix dl-,load cache lookup object reloc deps \
31 runtime error init fini debug misc \
32 version profile)
33 all-dl-routines = $(dl-routines) $(sysdep-dl-routines)
34 # But they are absent from the shared libc, because that code is in ld.so.
35 elide-routines.os = $(all-dl-routines) dl-support enbl-secure \
36 dl-iteratephdr-static
38 # ld.so uses those routines, plus some special stuff for being the program
39 # interpreter and operating independent of libc.
40 rtld-routines := rtld $(dl-routines) dl-sysdep dl-environ dl-minimal
41 all-rtld-routines = $(rtld-routines) $(sysdep-rtld-routines)
43 distribute := $(rtld-routines:=.c) dynamic-link.h do-rel.h dl-machine.h \
44 dl-cache.h dl-hash.h soinit.c sofini.c ldd.bash.in \
45 genrtldtbl.awk atomicity.h dl-procinfo.h ldsodefs.h \
46 dl-librecon.h interp.c sln.c dl-dst.h hp-timing.h \
47 do-lookup.h dl-lookupcfg.h sprof.c gen-trusted-dirs.awk \
48 testobj1.c testobj2.c testobj3.c testobj4.c testobj5.c \
49 testobj6.c testobj1_1.c failobj.c unloadmod.c \
50 ldconfig.h ldconfig.c cache.c readlib.c readelflib.c \
51 chroot_canon.c gccframe.h \
52 dep1.c dep2.c dep3.c dep4.c dl-dtprocnum.h unsecvars.h \
53 vismain.c vismod1.c vismod2.c vismod3.c \
54 constload2.c constload3.c filtmod1.c filtmod2.c \
55 nodlopenmod.c nodelete.c nodelmod1.c nodelmod2.c \
56 nodelmod3.c nodelmod4.c nodlopen.c dl-osinfo.h \
57 reldepmod1.c reldepmod2.c reldepmod3.c reldepmod4.c \
58 reldepmod5.c reldepmod6.c \
59 reldep4mod1.c reldep4mod2.c reldep4mod3.c reldep4mod4.c \
60 nextmod1.c nextmod2.c pathoptobj.c tst-pathopt.sh \
61 neededobj1.c neededobj2.c neededobj3.c neededobj4.c \
62 neededobj5.c neededobj6.c firstobj.c \
63 unload2mod.c unload2dep.c ltglobmod1.c ltglobmod2.c \
64 testobj.h vismod.h globalmod1.c \
65 dblloadmod1.c dblloadmod2.c dblloadmod3.c
67 include ../Makeconfig
69 before-compile = $(objpfx)trusted-dirs.h
70 generated := trusted-dirs.h trusted-dirs.st for-renamed/renamed.so
71 generated-dirs := for-renamed
73 ifeq ($(versioning),yes)
74 ld-map = $(common-objpfx)ld.map
75 endif
77 ifeq (yes,$(build-shared))
78 extra-objs = $(all-rtld-routines:%=%.os) soinit.os sofini.os interp.os
79 generated += librtld.os dl-allobjs.os ld.so ldd
80 install-others = $(inst_slibdir)/$(rtld-installed-name)
81 install-bin-script = ldd
82 endif
84 others = sprof sln
85 install-bin = sprof
86 others-static = sln
87 install-rootsbin = sln
89 ifeq (yes,$(use-ldconfig))
90 ifeq (yes,$(build-shared))
91 others-static += ldconfig
92 others += ldconfig
93 install-rootsbin += ldconfig
95 ldconfig-modules := cache readlib xmalloc xstrdup chroot_canon
96 extra-objs += $(ldconfig-modules:=.o)
98 # To find xmalloc.c and xstrdup.c
99 vpath %.c ../locale/programs
101 endif
102 endif
104 ifeq (yes,$(build-shared))
105 tests = loadtest restest1 preloadtest loadfail multiload origtest resolvfail \
106 constload1 order $(tests-vis-$(have-protected)) noload filter unload \
107 reldep reldep2 reldep3 reldep4 $(tests-nodelete-$(have-z-nodelete)) \
108 $(tests-nodlopen-$(have-z-nodlopen)) neededtest neededtest2 \
109 neededtest3 neededtest4 unload2 lateglobal initfirst global \
110 restest2 next dblload dblunload reldep5 reldep6
111 test-srcs = tst-pathopt
112 tests-vis-yes = vismain
113 tests-nodelete-yes = nodelete
114 tests-nodlopen-yes = nodlopen
115 endif
116 modules-names = testobj1 testobj2 testobj3 testobj4 testobj5 testobj6 \
117 testobj1_1 failobj constload2 constload3 unloadmod \
118 dep1 dep2 dep3 dep4 $(modules-vis-$(have-protected)) \
119 $(modules-nodelete-$(have-z-nodelete)) \
120 $(modules-nodlopen-$(have-z-nodlopen)) filtmod1 filtmod2 \
121 reldepmod1 reldepmod2 reldepmod3 reldepmod4 nextmod1 nextmod2 \
122 reldep4mod1 reldep4mod2 reldep4mod3 reldep4mod4 \
123 neededobj1 neededobj2 neededobj3 neededobj4 \
124 neededobj5 neededobj6 firstobj globalmod1 \
125 unload2mod unload2dep ltglobmod1 ltglobmod2 pathoptobj \
126 dblloadmod1 dblloadmod2 dblloadmod3 reldepmod5 reldepmod6 \
127 reldep6mod0 reldep6mod1 reldep6mod2 reldep6mod3 reldep6mod4
128 modules-vis-yes = vismod1 vismod2 vismod3
129 modules-nodelete-yes = nodelmod1 nodelmod2 nodelmod3 nodelmod4
130 modules-nodlopen-yes = nodlopenmod
131 extra-objs += $(addsuffix .os,$(strip $(modules-names)))
133 include ../Rules
135 ifeq (yes,$(build-shared))
136 # Make sure these things are built in the `make lib' pass so they can be used
137 # to run programs during the `make others' pass.
138 lib-noranlib: $(objpfx)$(rtld-installed-name) \
139 $(addprefix $(objpfx),$(extra-objs))
140 endif
142 # Command to link into a larger single relocatable object.
143 reloc-link = $(LINK.o) -nostdlib -nostartfiles -r -o $@
145 $(objpfx)dl-allobjs.os: $(all-rtld-routines:%=$(objpfx)%.os)
146 $(reloc-link) $^
148 # Link together the dynamic linker into a single relocatable object.
149 $(objpfx)librtld.os: $(objpfx)dl-allobjs.os $(common-objpfx)libc_pic.a
150 $(reloc-link) '-Wl,-(' $^ -lgcc '-Wl,-)'
152 # Do we need a linker script?
153 rtld-ldscript-in := $(firstword $(wildcard $(+sysdep_dirs:%=%/rtld-ldscript.in)))
155 ifneq (,$(rtld-ldscript-in))
156 rtld-ldscript = $(objpfx)rtld-ldscript
157 generated += rtld-ldscript
159 LDFLAGS-rtld = -T $(rtld-ldscript)
160 before-compile += $(rtld-ldscript)
162 rtld-parms = $(wildcard $(+sysdep_dirs:%=%/rtld-parms))
163 include $(rtld-parms)
165 $(rtld-ldscript): $(rtld-ldscript-in) $(rtld-parms)
166 sed -e 's#@@rtld-oformat@@#$(rtld-oformat)#' \
167 -e 's#@@rtld-arch@@#$(rtld-arch)#' \
168 -e 's#@@rtld-entry@@#$(rtld-entry)#' \
169 -e 's#@@rtld-base@@#$(rtld-base)#' $< >$@
170 endif
172 $(objpfx)ld.so: $(objpfx)librtld.os $(rtld-ldscript) $(ld-map)
173 $(LINK.o) -nostdlib -nostartfiles -shared -o $@ $(LDFLAGS-rtld) \
174 $(filter-out $(rtld-ldscript) $(map-file),$^) \
175 $(load-map-file) -Wl,-soname=$(rtld-installed-name)
177 # interp.c exists just to get this string into the libraries.
178 CFLAGS-interp.c = -D'RUNTIME_LINKER="$(slibdir)/$(rtld-installed-name)"'
180 ifneq (ld.so,$(rtld-installed-name))
181 # Make sure ld.so.1 exists in the build directory so we can link
182 # against it.
183 $(objpfx)$(rtld-installed-name): $(objpfx)ld.so
184 rm -f $@
185 ln -s $(<F) $@
186 generated += $(rtld-installed-name)
187 endif
189 # Build a file mentioning all trustworthy directories to look for shared
190 # libraries when using LD_LIBRARY_PATH in a setuid program. The user can
191 # add directories to the list by defining $(user-defined-trusted-dirs)
192 # before starting make.
193 $(objpfx)trusted-dirs.h: $(objpfx)trusted-dirs.st; @:
194 $(objpfx)trusted-dirs.st: Makefile $(..)Makeconfig
195 $(make-target-directory)
196 echo "$(subst :, ,$(default-rpath) $(user-defined-trusted-dirs))" \
197 | $(AWK) -f gen-trusted-dirs.awk > ${@:st=T};
198 $(move-if-change) ${@:st=T} ${@:st=h}
199 touch $@
200 CPPFLAGS-dl-load.c = -I$(objpfx). -I$(csu-objpfx).
202 ifeq (yes,$(build-shared))
203 $(inst_slibdir)/$(rtld-version-installed-name): $(objpfx)ld.so $(+force)
204 $(make-target-directory)
205 $(do-install-program)
207 $(inst_slibdir)/$(rtld-installed-name): \
208 $(inst_slibdir)/$(rtld-version-installed-name) \
209 $(inst_slibdir)/libc-$(version).so
210 $(make-shlib-link)
212 # Special target called by parent to install just the dynamic linker.
213 .PHONY: ldso_install
214 ldso_install: $(inst_slibdir)/$(rtld-installed-name)
215 endif
218 common-ldd-rewrite = -e 's%@RTLD@%$(slibdir)/$(rtld-installed-name)%g' \
219 -e 's%@VERSION@%$(version)%g'
220 sh-ldd-rewrite = $(common-ldd-rewrite) -e 's%@BASH@%/bin/sh%g;s/\$$"/"/g'
221 bash-ldd-rewrite = $(common-ldd-rewrite) -e 's%@BASH@%$(BASH)%g' \
222 -e 's%@TEXTDOMAINDIR@%$(msgcatdir)%g'
224 ifneq ($(have-bash2),yes)
225 ldd-shell = sh
226 else
227 ldd-shell = bash
228 endif
230 ifeq ($(ldd-rewrite-script),no)
231 define gen-ldd
232 sed $($(ldd-shell)-ldd-rewrite) < $< > $@.new
233 endef
234 else
235 define gen-ldd
236 sed $($(ldd-shell)-ldd-rewrite) < $< | sed -f $(ldd-rewrite-script) > $@.new
237 endef
238 endif
240 $(objpfx)ldd: ldd.bash.in $(common-objpfx)soversions.mk \
241 $(common-objpfx)config.make
242 $(gen-ldd)
243 chmod 555 $@.new
244 mv -f $@.new $@
246 $(objpfx)sprof: $(libdl)
248 $(objpfx)ldconfig: $(ldconfig-modules:%=$(objpfx)%.o)
249 SYSCONF-FLAGS := -D'SYSCONFDIR="$(sysconfdir)"'
250 CFLAGS-ldconfig.c = $(SYSCONF-FLAGS) -D'LIBDIR="$(libdir)"' -D'SLIBDIR="$(slibdir)"'
251 CFLAGS-dl-cache.c = $(SYSCONF-FLAGS)
252 CFLAGS-cache.c = $(SYSCONF-FLAGS)
254 test-modules = $(addprefix $(objpfx),$(addsuffix .so,$(strip $(modules-names))))
255 generated += $(addsuffix .so,$(strip $(modules-names)))
257 ifeq (yes,$(build-shared))
258 ifeq ($(cross-compiling),no)
259 tests: $(objpfx)tst-pathopt.out
260 endif
261 endif
263 $(objpfx)testobj1.so: $(libdl)
264 $(objpfx)testobj1_1.so: $(objpfx)testobj1.so $(libdl)
265 $(objpfx)testobj2.so: $(objpfx)testobj1.so $(libdl)
266 $(objpfx)testobj3.so: $(libdl)
267 $(objpfx)testobj4.so: $(libdl)
268 $(objpfx)testobj5.so: $(libdl)
269 $(objpfx)testobj6.so: $(objpfx)testobj1.so $(objpfx)testobj2.so $(libdl)
270 $(objpfx)failobj.so: $(objpfx)testobj6.so
271 $(objpfx)dep1.so: $(objpfx)dep2.so $(objpfx)dep4.so
272 $(objpfx)dep2.so: $(objpfx)dep3.so $(objpfx)dep4.so
273 $(objpfx)dep4.so: $(objpfx)dep3.so
274 $(objpfx)nodelmod3.so: $(objpfx)nodelmod4.so
275 $(objpfx)nextmod1.so: $(libdl)
276 $(objpfx)neededobj1.so: $(libdl)
277 $(objpfx)neededobj2.so: $(objpfx)neededobj1.so $(libdl)
278 $(objpfx)neededobj3.so: $(objpfx)neededobj1.so $(objpfx)neededobj2.so $(libdl)
279 $(objpfx)neededobj4.so: $(objpfx)neededobj1.so $(objpfx)neededobj2.so \
280 $(objpfx)neededobj3.so $(libdl)
281 $(objpfx)neededobj6.so: $(objpfx)neededobj5.so
282 $(objpfx)unload2mod.so: $(objpfx)unload2dep.so
283 $(objpfx)ltglobmod2.so: $(libdl)
284 $(objpfx)firstobj.so: $(shared-thread-library)
285 $(objpfx)globalmod1.so: $(libdl)
286 $(objpfx)reldep4mod1.so: $(objpfx)reldep4mod3.so
287 $(objpfx)reldep4mod2.so: $(objpfx)reldep4mod4.so
288 $(objpfx)dblloadmod1.so: $(objpfx)dblloadmod3.so
289 $(objpfx)dblloadmod2.so: $(objpfx)dblloadmod3.so
290 $(objpfx)reldepmod5.so: $(objpfx)reldepmod2.so
291 $(objpfx)reldepmod6.so: $(objpfx)reldepmod2.so
292 $(objpfx)reldep6mod1.so: $(objpfx)reldep6mod0.so
293 $(objpfx)reldep6mod2.so: $(objpfx)reldep6mod1.so
294 $(objpfx)reldep6mod3.so: $(objpfx)reldep6mod2.so
295 $(objpfx)reldep6mod4.so: $(objpfx)reldep6mod1.so
297 # filtmod1.so has a special rule
298 $(filter-out $(objpfx)filtmod1.so, $(test-modules)): $(objpfx)%.so: $(objpfx)%.os
299 $(build-module)
301 $(objpfx)loadtest: $(libdl)
302 LDFLAGS-loadtest = -rdynamic
304 $(objpfx)loadtest.out: $(test-modules)
306 $(objpfx)neededtest: $(libdl)
307 $(objpfx)neededtest.out: $(objpfx)neededobj1.so $(objpfx)neededobj2.so \
308 $(objpfx)neededobj3.so
310 $(objpfx)neededtest2: $(libdl)
311 $(objpfx)neededtest2.out: $(objpfx)neededobj1.so $(objpfx)neededobj2.so \
312 $(objpfx)neededobj3.so
314 $(objpfx)neededtest3: $(libdl)
315 $(objpfx)neededtest3.out: $(objpfx)neededobj1.so $(objpfx)neededobj2.so \
316 $(objpfx)neededobj3.so $(objpfx)neededobj4.so
318 neededtest4-ENV = LC_ALL=C LANGUAGE=C
319 $(objpfx)neededtest4: $(libdl) $(objpfx)neededobj1.so
320 $(objpfx)neededtest4.out: $(objpfx)neededobj5.so $(objpfx)neededobj6.so
322 $(objpfx)restest1: $(objpfx)testobj1.so $(objpfx)testobj1_1.so $(libdl)
323 LDFLAGS-restest1 = -rdynamic
325 $(objpfx)restest2: $(libdl)
326 LDFLAGS-restest2 = -rdynamic
328 $(objpfx)restest1.out: $(test-modules)
330 preloadtest-preloads = testobj1 testobj2 testobj3 testobj4 testobj5
331 $(objpfx)preloadtest: $(objpfx)testobj6.so
332 LDFLAGS-preloadtest = -rdynamic
333 $(objpfx)preloadtest.out: $(preloadtest-preloads:%=$(objpfx)%.so)
334 preloadtest-ENV = \
335 LD_PRELOAD=$(subst $(empty) ,:,$(strip $(preloadtest-preloads:=.so)))
337 $(objpfx)loadfail: $(libdl)
338 LDFLAGS-loadfail = -rdynamic
340 $(objpfx)loadfail.out: $(objpfx)failobj.so
342 $(objpfx)multiload: $(libdl)
343 LDFLAGS-multiload = -rdynamic
344 CFLAGS-multiload.c = -DOBJDIR=\"$(elf-objpfx)\"
346 $(objpfx)multiload.out: $(objpfx)testobj1.so
348 $(objpfx)origtest: $(libdl)
349 LDFLAGS-origtest = -rdynamic
350 $(objpfx)origtest.out: $(objpfx)testobj1.so
352 ifeq ($(have-thread-library),yes)
353 $(objpfx)resolvfail: $(libdl) $(shared-thread-library)
354 else
355 $(objpfx)resolvfail: $(libdl)
356 endif
358 $(objpfx)constload1: $(libdl)
359 $(objpfx)constload1.out: $(objpfx)constload2.so $(objpfx)constload3.so
361 $(objpfx)order: $(addprefix $(objpfx),dep4.so dep3.so dep2.so dep1.so)
363 $(objpfx)order.out: $(objpfx)order
364 $(elf-objpfx)$(rtld-installed-name) \
365 --library-path $(rpath-link)$(patsubst %,:%,$(sysdep-library-path)) \
366 $(objpfx)order > $@
367 (echo "0123456789" | cmp $@ -) > /dev/null
369 $(objpfx)vismain: $(addprefix $(objpfx),vismod1.so vismod2.so)
370 $(objpfx)vismain.out: $(addprefix $(objpfx),vismod3.so)
371 vismain-ENV = LD_PRELOAD=$(addprefix $(objpfx),vismod3.so)
373 $(objpfx)noload: $(objpfx)testobj1.so
374 LDFLAGS-noload = -rdynamic
375 $(objpfx)noload.out: $(objpfx)testobj5.so
377 LDFLAGS-nodelete = -rdynamic
378 LDFLAGS-nodelmod1.so = -Wl,--enable-new-dtags,-z,nodelete
379 LDFLAGS-nodelmod4.so = -Wl,--enable-new-dtags,-z,nodelete
380 $(objpfx)nodelete: $(libdl)
381 $(objpfx)nodelete.out: $(objpfx)nodelmod1.so $(objpfx)nodelmod2.so \
382 $(objpfx)nodelmod3.so
384 LDFLAGS-nodlopenmod.so = -Wl,--enable-new-dtags,-z,nodlopen
385 $(objpfx)nodlopen: $(libdl)
386 $(objpfx)nodlopen.out: $(objpfx)nodlopenmod.so
388 $(objpfx)filtmod1.so: $(objpfx)filtmod1.os $(objpfx)filtmod2.so
389 $(LINK.o) -shared -o $@ -B$(csu-objpfx) $(LDFLAGS.so) \
390 -L$(subst :, -L,$(rpath-link)) \
391 -Wl,-rpath-link=$(rpath-link) \
392 $< -Wl,-F,$(objpfx)filtmod2.so
393 $(objpfx)filter: $(objpfx)filtmod1.so
395 $(objpfx)unload: $(libdl)
396 $(objpfx)unload.out: $(objpfx)unloadmod.so
398 $(objpfx)reldep: $(libdl)
399 $(objpfx)reldep.out: $(objpfx)reldepmod1.so $(objpfx)reldepmod2.so
401 $(objpfx)reldep2: $(libdl)
402 $(objpfx)reldep2.out: $(objpfx)reldepmod1.so $(objpfx)reldepmod3.so
404 $(objpfx)reldep3: $(libdl)
405 $(objpfx)reldep3.out: $(objpfx)reldepmod1.so $(objpfx)reldepmod4.so
407 $(objpfx)reldep4: $(libdl)
408 $(objpfx)reldep4.out: $(objpfx)reldep4mod1.so $(objpfx)reldep4mod2.so
410 $(objpfx)next: $(objpfx)nextmod1.so $(objpfx)nextmod2.so $(libdl)
412 $(objpfx)unload2: $(libdl)
413 $(objpfx)unload2.out: $(objpfx)unload2mod.so $(objpfx)unload2dep.so
415 $(objpfx)lateglobal: $(libdl)
416 $(objpfx)lateglobal.out: $(objpfx)ltglobmod1.so $(objpfx)ltglobmod2.so
418 $(objpfx)tst-pathopt: $(libdl)
419 $(objpfx)tst-pathopt.out: tst-pathopt.sh $(objpfx)tst-pathopt \
420 $(objpfx)pathoptobj.so
421 $(SHELL) -e $< $(common-objpfx)
423 $(objpfx)initfirst: $(libdl)
424 $(objpfx)initfirst.out: $(objpfx)firstobj.so
426 $(objpfx)global: $(objpfx)globalmod1.so
427 $(objpfx)global.out: $(objpfx)reldepmod1.so
429 $(objpfx)dblload: $(libdl)
430 $(objpfx)dblload.out: $(objpfx)dblloadmod1.so $(objpfx)dblloadmod2.so
432 $(objpfx)dblunload: $(libdl)
433 $(objpfx)dblunload.out: $(objpfx)dblloadmod1.so $(objpfx)dblloadmod2.so
435 $(objpfx)reldep5: $(libdl)
436 $(objpfx)reldep5.out: $(objpfx)reldepmod5.so $(objpfx)reldepmod5.so
438 $(objpfx)reldep6: $(libdl)
439 $(objpfx)reldep6.out: $(objpfx)reldep6mod3.so $(objpfx)reldep6mod4.so