-# Copyright (C) 1995-2017 Free Software Foundation, Inc.
+# Copyright (C) 1995-2018 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
headers = elf.h bits/elfclass.h link.h bits/link.h
routines = $(all-dl-routines) dl-support dl-iteratephdr \
dl-addr dl-addr-obj enbl-secure dl-profstub \
- dl-origin dl-libc dl-sym dl-sysdep dl-error
+ dl-origin dl-libc dl-sym dl-sysdep dl-error \
+ dl-reloc-static-pie
# The core dynamic linking functions are in libc for the static and
# profiled libraries.
dl-routines = $(addprefix dl-,load lookup object reloc deps hwcaps \
runtime init fini debug misc \
version profile tls origin scope \
- execstack caller open close trampoline \
- exception)
+ execstack open close trampoline \
+ exception sort-maps)
ifeq (yes,$(use-ldconfig))
dl-routines += dl-cache
endif
ifneq (no,$(have-tunables))
dl-routines += dl-tunables
tunables-type = $(addprefix TUNABLES_FRONTEND_,$(have-tunables))
-CPPFLAGS-dl-tunables.c = -DTUNABLES_FRONTEND=$(tunables-type)
+CPPFLAGS-dl-tunables.c += -DTUNABLES_FRONTEND=$(tunables-type)
# Make sure that the compiler does not insert any library calls in tunables
# code paths.
ifeq (yes,$(have-loop-to-function))
-CFLAGS-dl-tunables.c = -fno-tree-loop-distribute-patterns
+CFLAGS-dl-tunables.c += -fno-tree-loop-distribute-patterns
endif
endif
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 dl-origin \
- dl-sysdep dl-exception
-shared-only-routines += dl-caller
+ dl-sysdep dl-exception dl-reloc-static-pie
# ld.so uses those routines, plus some special stuff for being the program
# interpreter and operating independent of libc.
dl-error-minimal dl-conflict
all-rtld-routines = $(rtld-routines) $(sysdep-rtld-routines)
-CFLAGS-dl-runtime.c = -fexceptions -fasynchronous-unwind-tables
-CFLAGS-dl-lookup.c = -fexceptions -fasynchronous-unwind-tables
-CFLAGS-dl-iterate-phdr.c = $(uses-callbacks)
+CFLAGS-dl-runtime.c += -fexceptions -fasynchronous-unwind-tables
+CFLAGS-dl-lookup.c += -fexceptions -fasynchronous-unwind-tables
+CFLAGS-dl-iterate-phdr.c += $(uses-callbacks)
# Compile rtld itself without stack protection.
# Also compile all routines in the static library that are elided from
tst-linkall-static tst-env-setuid tst-env-setuid-tunables
tests-static-internal := tst-tls1-static tst-tls2-static \
tst-ptrguard1-static tst-stackguard1-static \
- tst-tls1-static-non-pie
+ tst-tls1-static-non-pie tst-libc_dlvsym-static
CRT-tst-tls1-static-non-pie := $(csu-objpfx)crt1.o
-DEFAULT-LDFLAGS-tst-tls1-static-non-pie = $(no-pie-ldflag)
+tst-tls1-static-non-pie-no-pie = yes
tests := tst-tls9 tst-leaks1 \
tst-array1 tst-array2 tst-array3 tst-array4 tst-array5 \
tst-tls4 tst-tls5 \
tst-tls10 tst-tls11 tst-tls12 tst-tls13 tst-tls14 tst-tls15 \
tst-tls16 tst-tls17 tst-tls18 tst-tls19 tst-tls-dlinfo \
- tst-align tst-align2 $(tests-execstack-$(have-z-execstack)) \
+ tst-align tst-align2 \
tst-dlmodcount tst-dlopenrpath tst-deep1 \
tst-dlmopen1 tst-dlmopen3 \
unload3 unload4 unload5 unload6 unload7 unload8 tst-global1 order2 \
tst-tlsalign tst-tlsalign-extern tst-nodelete-opened \
tst-nodelete2 tst-audit11 tst-audit12 tst-dlsym-error tst-noload \
tst-latepthread tst-tls-manydynamic tst-nodelete-dlclose \
- tst-debug1 tst-main1
+ tst-debug1 tst-main1 tst-absolute-sym tst-big-note
# reldep9
tests-internal += loadtest unload unload2 circleload1 \
neededtest neededtest2 neededtest3 neededtest4 \
tst-tls3 tst-tls6 tst-tls7 tst-tls8 tst-dlmopen2 \
- tst-ptrguard1 tst-stackguard1
+ tst-ptrguard1 tst-stackguard1 tst-libc_dlvsym
ifeq ($(build-hardcoded-path-in-tests),yes)
tests += tst-dlopen-aout
-LDFLAGS-tst-dlopen-aout = $(no-pie-ldflag)
+tst-dlopen-aout-no-pie = yes
endif
test-srcs = tst-pathopt
selinux-enabled := $(shell cat /selinux/enforce 2> /dev/null)
tests-execstack-yes = tst-execstack tst-execstack-needed tst-execstack-prog
endif
endif
+tests += $(tests-execstack-$(have-z-execstack))
ifeq ($(run-built-tests),yes)
tests-special += $(objpfx)tst-leaks1-mem.out \
$(objpfx)tst-leaks1-static-mem.out $(objpfx)noload-mem.out \
tst-audit12mod1 tst-audit12mod2 tst-audit12mod3 tst-auditmod12 \
tst-latepthreadmod $(tst-tls-many-dynamic-modules) \
tst-nodelete-dlclose-dso tst-nodelete-dlclose-plugin \
- tst-main1mod
+ tst-main1mod tst-libc_dlvsym-dso tst-absolute-sym-lib \
+ tst-big-note-lib
+
ifeq (yes,$(have-mtls-dialect-gnu2))
tests += tst-gnu2-tls1
modules-names += tst-gnu2-tls1mod
ifeq (yes,$(have-protected-data))
tests += vismain
tests-pie += vismain
-CFLAGS-vismain.c = $(PIE-ccflag)
+CFLAGS-vismain.c += $(PIE-ccflag)
endif
endif
modules-execstack-yes = tst-execstack-mod
tests-special += $(objpfx)tst-pathopt.out $(objpfx)tst-rtld-load-self.out
endif
tests-special += $(objpfx)check-textrel.out $(objpfx)check-execstack.out \
- $(objpfx)check-localplt.out
+ $(objpfx)check-localplt.out $(objpfx)check-initfini.out
endif
ifeq ($(run-built-tests),yes)
tests += tst-prelink
# Don't compile tst-prelink.c with PIE for GLOB_DAT relocation.
CFLAGS-tst-prelink.c += -fno-pie
-LDFLAGS-tst-prelink = $(no-pie-ldflag)
+tst-prelink-no-pie = yes
ifeq ($(run-built-tests),yes)
tests-special += $(objpfx)tst-prelink-cmp.out
endif
# By default tst-linkall-static should try to use crypt routines to test
# static libcrypt use.
-CFLAGS-tst-linkall-static.c = -DUSE_CRYPT=1
+CFLAGS-tst-linkall-static.c += -DUSE_CRYPT=1
# However, if we are using NSS crypto and we don't have a static
# library, then we exclude the use of crypt functions in the test.
# We similarly exclude libcrypt.a from the static link (see below).
ifeq (yesno,$(nss-crypt)$(static-nss-crypt))
-CFLAGS-tst-linkall-static.c = -DUSE_CRYPT=0
+CFLAGS-tst-linkall-static.c += -UUSE_CRYPT -DUSE_CRYPT=0
endif
include ../Rules
echo '#define DL_DST_LIB "$(notdir $(slibdir))"' >> ${@:st=T}
$(move-if-change) ${@:st=T} ${@:st=h}
touch $@
-CPPFLAGS-dl-load.c = -I$(objpfx). -I$(csu-objpfx).
+CPPFLAGS-dl-load.c += -I$(objpfx). -I$(csu-objpfx).
ifeq (yes,$(build-shared))
$(inst_slibdir)/$(rtld-version-installed-name): $(objpfx)ld.so $(+force)
$(objpfx)ldconfig: $(ldconfig-modules:%=$(objpfx)%.o)
SYSCONF-FLAGS := -D'SYSCONFDIR="$(sysconfdir)"'
-CFLAGS-ldconfig.c = $(SYSCONF-FLAGS) -D'LIBDIR="$(libdir)"' \
+CFLAGS-ldconfig.c += $(SYSCONF-FLAGS) -D'LIBDIR="$(libdir)"' \
-D'SLIBDIR="$(slibdir)"'
libof-ldconfig = ldconfig
-CFLAGS-dl-cache.c = $(SYSCONF-FLAGS)
-CFLAGS-cache.c = $(SYSCONF-FLAGS)
-CFLAGS-rtld.c = $(SYSCONF-FLAGS)
+CFLAGS-dl-cache.c += $(SYSCONF-FLAGS)
+CFLAGS-cache.c += $(SYSCONF-FLAGS)
+CFLAGS-rtld.c += $(SYSCONF-FLAGS)
cpp-srcs-left := $(all-rtld-routines:=.os)
lib := rtld
$(objpfx)multiload: $(libdl)
LDFLAGS-multiload = -rdynamic
-CFLAGS-multiload.c = -DOBJDIR=\"$(elf-objpfx)\"
+CFLAGS-multiload.c += -DOBJDIR=\"$(elf-objpfx)\"
$(objpfx)multiload.out: $(objpfx)testobj1.so
$(objpfx)filter: $(objpfx)filtmod1.so
# This does not link against libc.
-CFLAGS-filtmod1.c = $(no-stack-protector)
+CFLAGS-filtmod1.c += $(no-stack-protector)
$(objpfx)unload: $(libdl)
$(objpfx)unload.out: $(objpfx)unloadmod.so
$(objpfx)tst-tls19: $(libdl)
$(objpfx)tst-tls19.out: $(objpfx)tst-tls19mod1.so
-CFLAGS-tst-align.c = $(stack-align-test-flags)
-CFLAGS-tst-align2.c = $(stack-align-test-flags)
-CFLAGS-tst-alignmod.c = $(stack-align-test-flags)
-CFLAGS-tst-alignmod2.c = $(stack-align-test-flags)
+CFLAGS-tst-align.c += $(stack-align-test-flags)
+CFLAGS-tst-align2.c += $(stack-align-test-flags)
+CFLAGS-tst-alignmod.c += $(stack-align-test-flags)
+CFLAGS-tst-alignmod2.c += $(stack-align-test-flags)
$(objpfx)tst-align: $(libdl)
$(objpfx)tst-align.out: $(objpfx)tst-alignmod.so
$(objpfx)tst-align2: $(objpfx)tst-alignmod2.so
ifeq ($(have-z-execstack),yes)
$(objpfx)tst-execstack: $(libdl)
$(objpfx)tst-execstack.out: $(objpfx)tst-execstack-mod.so
-CPPFLAGS-tst-execstack.c = -DUSE_PTHREADS=0
+CPPFLAGS-tst-execstack.c += -DUSE_PTHREADS=0
LDFLAGS-tst-execstack = -Wl,-z,noexecstack
LDFLAGS-tst-execstack-mod = -Wl,-z,execstack
$(evaluate-test)
endif
+$(all-built-dso:=.dynsym): %.dynsym: %
+ @rm -f $@T
+ LC_ALL=C $(READELF) -W --dyn-syms $< > $@T
+ test -s $@T
+ mv -f $@T $@
+common-generated += $(all-built-dso:$(common-objpfx)%=%.dynsym)
+
+$(objpfx)check-initfini.out: $(..)scripts/check-initfini.awk \
+ $(all-built-dso:=.dynsym)
+ LC_ALL=C $(AWK) -f $^ > $@; \
+ $(evaluate-test)
+generated += check-initfini.out
+
$(objpfx)tst-dlopenrpathmod.so: $(libdl)
$(objpfx)tst-dlopenrpath: $(objpfx)tst-dlopenrpathmod.so $(libdl)
CFLAGS-tst-dlopenrpath.c += -DPFX=\"$(objpfx)\"
tst-ptrguard1-ARGS = --command "$(host-test-program-cmd) --child"
# When built statically, the pointer guard interface uses
# __pointer_chk_guard_local.
-CFLAGS-tst-ptrguard1-static.c = -DPTRGUARD_LOCAL
+CFLAGS-tst-ptrguard1-static.c += -DPTRGUARD_LOCAL
tst-ptrguard1-static-ARGS = --command "$(objpfx)tst-ptrguard1-static --child"
$(objpfx)tst-leaks1: $(libdl)
-Wl,-z,lazy -Wl,--unresolved-symbols=ignore-all
# Do not optimize sibling calls as the test relies on a JMP_SLOT relocation for
# function this_function_is_not_defined.
-CFLAGS-tst-latepthreadmod.c = -fno-optimize-sibling-calls
+CFLAGS-tst-latepthreadmod.c += -fno-optimize-sibling-calls
$(objpfx)tst-latepthreadmod.so: $(shared-thread-library)
$(objpfx)tst-latepthread: $(libdl)
$(objpfx)tst-latepthread.out: $(objpfx)tst-latepthreadmod.so
$(objpfx)tst-main1: $(objpfx)tst-main1mod.so
CRT-tst-main1 := $(csu-objpfx)crt1.o
-LDFLAGS-tst-main1 = $(no-pie-ldflag)
+tst-main1-no-pie = yes
LDLIBS-tst-main1 = $(libsupport)
tst-main1mod.so-no-z-defs = yes
+
+LDLIBS-tst-absolute-sym-lib.so = tst-absolute-sym-lib.lds
+$(objpfx)tst-absolute-sym-lib.so: $(LDLIBS-tst-absolute-sym-lib.so)
+$(objpfx)tst-absolute-sym: $(objpfx)tst-absolute-sym-lib.so
+
+# Both the main program and the DSO for tst-libc_dlvsym need to link
+# against libdl.
+$(objpfx)tst-libc_dlvsym: $(libdl)
+$(objpfx)tst-libc_dlvsym-dso.so: $(libsupport) $(libdl)
+$(objpfx)tst-libc_dlvsym.out: $(objpfx)tst-libc_dlvsym-dso.so
+$(objpfx)tst-libc_dlvsym-static: $(common-objpfx)dlfcn/libdl.a
+tst-libc_dlvsym-static-ENV = \
+ LD_LIBRARY_PATH=$(objpfx):$(common-objpfx):$(common-objpfx)dlfcn
+$(objpfx)tst-libc_dlvsym-static.out: $(objpfx)tst-libc_dlvsym-dso.so
+
+$(objpfx)tst-big-note: $(objpfx)tst-big-note-lib.so
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