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58 lines
1.9 KiB
Makefile
58 lines
1.9 KiB
Makefile
#
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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INTERNAL_TOOLS = 1
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HOST_PROGRAM = elfhack
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NO_PROFILE_GUIDED_OPTIMIZE = 1
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VPATH += $(topsrcdir)/build
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OS_CXXFLAGS := $(filter-out -fno-exceptions,$(OS_CXXFLAGS)) -fexceptions
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WRAP_LDFLAGS=
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include $(topsrcdir)/config/rules.mk
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test-array$(DLL_SUFFIX) test-ctors$(DLL_SUFFIX): %$(DLL_SUFFIX): %.$(OBJ_SUFFIX) elfhack $(filter inject/%,$(CSRCS:.c=.$(OBJ_SUFFIX)))
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$(MKSHLIB) $(LDFLAGS) $< -nostartfiles
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@echo ===
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@echo === If you get failures below, please file a bug describing the error
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@echo === and your environment \(compiler and linker versions\), and use
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@echo === --disable-elf-hack until this is fixed.
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@echo ===
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# Fail if the library doesn't have $(DT_TYPE) .dynamic info
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$(TOOLCHAIN_PREFIX)readelf -d $@ | grep '($(DT_TYPE))'
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@rm -f $@.bak
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$(CURDIR)/elfhack -b -f $@
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# Fail if the backup file doesn't exist
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[ -f "$@.bak" ]
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# Fail if the new library doesn't contain less relocations
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[ $$($(TOOLCHAIN_PREFIX)objdump -R $@.bak | wc -l) -gt $$(objdump -R $@ | wc -l) ]
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test-array$(DLL_SUFFIX): DT_TYPE=INIT_ARRAY
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test-ctors$(DLL_SUFFIX): DT_TYPE=INIT
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.PRECIOUS: test-array$(DLL_SUFFIX) test-ctors$(DLL_SUFFIX)
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GARBAGE += test-array$(DLL_SUFFIX) test-ctors$(DLL_SUFFIX) test-array$(DLL_SUFFIX).bak test-ctors$(DLL_SUFFIX).bak
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libs:: test-array$(DLL_SUFFIX) test-ctors$(DLL_SUFFIX)
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ifndef CROSS_COMPILE
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dummy: dummy.$(OBJ_SUFFIX)
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$(CC) -o $@ $^ $(LDFLAGS)
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libs:: dummy
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# Will either crash or return exit code 1 if elfhack is broken
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LD_PRELOAD=$(CURDIR)/test-array$(DLL_SUFFIX) $(CURDIR)/dummy
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LD_PRELOAD=$(CURDIR)/test-ctors$(DLL_SUFFIX) $(CURDIR)/dummy
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GARBAGE += dummy
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endif
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test.$(OBJ_SUFFIX): CFLAGS := -O0
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host_elf.$(OBJ_SUFFIX) host_elfhack.$(OBJ_SUFFIX): elfxx.h
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