1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/build/unix/elfhack/Makefile.in Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,51 @@
1.4 +#
1.5 +# This Source Code Form is subject to the terms of the Mozilla Public
1.6 +# License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 +# file, You can obtain one at http://mozilla.org/MPL/2.0/.
1.8 +
1.9 +INTERNAL_TOOLS = 1
1.10 +
1.11 +OS_CXXFLAGS := $(filter-out -fno-exceptions,$(OS_CXXFLAGS)) -fexceptions
1.12 +
1.13 +WRAP_LDFLAGS=
1.14 +
1.15 +include $(topsrcdir)/config/rules.mk
1.16 +
1.17 +test-array$(DLL_SUFFIX) test-ctors$(DLL_SUFFIX): %$(DLL_SUFFIX): %.$(OBJ_SUFFIX) elfhack
1.18 + $(MKSHLIB) $(LDFLAGS) $< -nostartfiles
1.19 + @echo ===
1.20 + @echo === If you get failures below, please file a bug describing the error
1.21 + @echo === and your environment \(compiler and linker versions\), and use
1.22 + @echo === --disable-elf-hack until this is fixed.
1.23 + @echo ===
1.24 + # Fail if the library doesn't have $(DT_TYPE) .dynamic info
1.25 + $(TOOLCHAIN_PREFIX)readelf -d $@ | grep '($(DT_TYPE))'
1.26 + @rm -f $@.bak
1.27 + $(CURDIR)/elfhack -b -f $@
1.28 + # Fail if the backup file doesn't exist
1.29 + [ -f '$@.bak' ]
1.30 + # Fail if the new library doesn't contain less relocations
1.31 + [ $$($(TOOLCHAIN_PREFIX)objdump -R $@.bak | wc -l) -gt $$(objdump -R $@ | wc -l) ]
1.32 +
1.33 +test-array$(DLL_SUFFIX): DT_TYPE=INIT_ARRAY
1.34 +test-ctors$(DLL_SUFFIX): DT_TYPE=INIT
1.35 +
1.36 +.PRECIOUS: test-array$(DLL_SUFFIX) test-ctors$(DLL_SUFFIX)
1.37 +
1.38 +GARBAGE += test-array$(DLL_SUFFIX) test-ctors$(DLL_SUFFIX) test-array$(DLL_SUFFIX).bak test-ctors$(DLL_SUFFIX).bak
1.39 +
1.40 +ifndef CROSS_COMPILE
1.41 +ifdef COMPILE_ENVIRONMENT
1.42 +libs:: test-array$(DLL_SUFFIX) test-ctors$(DLL_SUFFIX)
1.43 +
1.44 +dummy: dummy.$(OBJ_SUFFIX)
1.45 + $(CC) -o $@ $^ $(LDFLAGS)
1.46 +
1.47 +libs:: dummy
1.48 + # Will either crash or return exit code 1 if elfhack is broken
1.49 + LD_PRELOAD=$(CURDIR)/test-array$(DLL_SUFFIX) $(CURDIR)/dummy
1.50 + LD_PRELOAD=$(CURDIR)/test-ctors$(DLL_SUFFIX) $(CURDIR)/dummy
1.51 +
1.52 +GARBAGE += dummy
1.53 +endif
1.54 +endif
