| # american fuzzy lop++ - LLVM instrumentation |
| # ----------------------------------------- |
| # |
| # Written by Laszlo Szekeres <lszekeres@google.com> and |
| # Michal Zalewski |
| # |
| # LLVM integration design comes from Laszlo Szekeres. |
| # |
| # Copyright 2015, 2016 Google Inc. All rights reserved. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at: |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| |
| # For Heiko: |
| #TEST_MMAP=1 |
| HASH=\# |
| |
| PREFIX ?= /usr/local |
| HELPER_PATH ?= $(PREFIX)/lib/afl |
| BIN_PATH ?= $(PREFIX)/bin |
| DOC_PATH ?= $(PREFIX)/share/doc/afl |
| MISC_PATH ?= $(PREFIX)/share/afl |
| MAN_PATH ?= $(PREFIX)/share/man/man8 |
| |
| BUILD_DATE ?= $(shell date -u -d "@$(SOURCE_DATE_EPOCH)" "+%Y-%m-%d" 2>/dev/null || date -u -r "$(SOURCE_DATE_EPOCH)" "+%Y-%m-%d" 2>/dev/null || date -u "+%Y-%m-%d") |
| |
| VERSION = $(shell grep '^$(HASH)define VERSION ' ./config.h | cut -d '"' -f2) |
| |
| SYS = $(shell uname -s) |
| |
| ifeq "$(SYS)" "OpenBSD" |
| LLVM_CONFIG ?= $(BIN_PATH)/llvm-config |
| HAS_OPT = $(shell test -x $(BIN_PATH)/opt && echo 0 || echo 1) |
| ifeq "$(HAS_OPT)" "1" |
| $(warning llvm_mode needs a complete llvm installation (versions 6.0 up to 12) -> e.g. "pkg_add llvm-7.0.1p9") |
| endif |
| else |
| LLVM_CONFIG ?= llvm-config |
| endif |
| |
| LLVMVER = $(shell $(LLVM_CONFIG) --version 2>/dev/null | sed 's/git//' | sed 's/svn//' ) |
| LLVM_MAJOR = $(shell $(LLVM_CONFIG) --version 2>/dev/null | sed 's/\..*//' ) |
| LLVM_MINOR = $(shell $(LLVM_CONFIG) --version 2>/dev/null | sed 's/.*\.//' | sed 's/git//' | sed 's/svn//' | sed 's/ .*//' ) |
| LLVM_UNSUPPORTED = $(shell $(LLVM_CONFIG) --version 2>/dev/null | egrep -q '^[0-2]\.|^3.[0-7]\.' && echo 1 || echo 0 ) |
| LLVM_TOO_NEW = $(shell $(LLVM_CONFIG) --version 2>/dev/null | egrep -q '^1[3-9]' && echo 1 || echo 0 ) |
| LLVM_NEW_API = $(shell $(LLVM_CONFIG) --version 2>/dev/null | egrep -q '^1[0-9]' && echo 1 || echo 0 ) |
| LLVM_10_OK = $(shell $(LLVM_CONFIG) --version 2>/dev/null | egrep -q '^1[1-9]|^10\.[1-9]|^10\.0.[1-9]' && echo 1 || echo 0 ) |
| LLVM_HAVE_LTO = $(shell $(LLVM_CONFIG) --version 2>/dev/null | egrep -q '^1[1-9]' && echo 1 || echo 0 ) |
| LLVM_BINDIR = $(shell $(LLVM_CONFIG) --bindir 2>/dev/null) |
| LLVM_LIBDIR = $(shell $(LLVM_CONFIG) --libdir 2>/dev/null) |
| LLVM_STDCXX = gnu++11 |
| LLVM_APPLE_XCODE = $(shell clang -v 2>&1 | grep -q Apple && echo 1 || echo 0) |
| LLVM_LTO = 0 |
| |
| ifeq "$(LLVMVER)" "" |
| $(warning [!] llvm_mode needs llvm-config, which was not found. Set LLVM_CONFIG to its path and retry.) |
| endif |
| |
| ifeq "$(LLVM_UNSUPPORTED)" "1" |
| $(error llvm_mode only supports llvm from version 3.8 onwards) |
| endif |
| |
| ifeq "$(LLVM_TOO_NEW)" "1" |
| $(warning you are using an in-development llvm version - this might break llvm_mode!) |
| endif |
| |
| LLVM_TOO_OLD=1 |
| |
| ifeq "$(LLVM_MAJOR)" "9" |
| $(info [+] llvm_mode detected llvm 9, enabling neverZero implementation) |
| LLVM_TOO_OLD=0 |
| endif |
| |
| ifeq "$(LLVM_NEW_API)" "1" |
| $(info [+] llvm_mode detected llvm 10+, enabling neverZero implementation and c++14) |
| LLVM_STDCXX = c++14 |
| LLVM_TOO_OLD=0 |
| endif |
| |
| ifeq "$(LLVM_TOO_OLD)" "1" |
| $(info [!] llvm_mode detected an old version of llvm, upgrade to at least 9 or preferable 11!) |
| $(shell sleep 1) |
| endif |
| |
| ifeq "$(LLVM_HAVE_LTO)" "1" |
| $(info [+] llvm_mode detected llvm 11+, enabling afl-lto LTO implementation) |
| LLVM_LTO = 1 |
| #TEST_MMAP = 1 |
| endif |
| |
| ifeq "$(LLVM_LTO)" "0" |
| $(info [+] llvm_mode detected llvm < 11, afl-lto LTO will not be build.) |
| endif |
| |
| ifeq "$(LLVM_APPLE_XCODE)" "1" |
| $(warning llvm_mode will not compile with Xcode clang...) |
| endif |
| |
| # We were using llvm-config --bindir to get the location of clang, but |
| # this seems to be busted on some distros, so using the one in $PATH is |
| # probably better. |
| |
| CC = $(LLVM_BINDIR)/clang |
| CXX = $(LLVM_BINDIR)/clang++ |
| |
| # llvm-config --bindir may not providing a valid path, so ... |
| ifeq "$(shell test -e $(CC) || echo 1 )" "1" |
| # however we must ensure that this is not a "CC=gcc make" |
| ifeq "$(shell command -v $(CC) 2> /dev/null)" "" |
| # we do not have a valid CC variable so we try alternatives |
| ifeq "$(shell test -e '$(BIN_DIR)/clang' && echo 1)" "1" |
| # we found one in the local install directory, lets use these |
| CC = $(BIN_DIR)/clang |
| else |
| # hope for the best |
| $(warning we have trouble finding clang - llvm-config is not helping us) |
| CC = clang |
| endif |
| endif |
| endif |
| # llvm-config --bindir may not providing a valid path, so ... |
| ifeq "$(shell test -e $(CXX) || echo 1 )" "1" |
| # however we must ensure that this is not a "CXX=g++ make" |
| ifeq "$(shell command -v $(CXX) 2> /dev/null)" "" |
| # we do not have a valid CXX variable so we try alternatives |
| ifeq "$(shell test -e '$(BIN_DIR)/clang++' && echo 1)" "1" |
| # we found one in the local install directory, lets use these |
| CXX = $(BIN_DIR)/clang++ |
| else |
| # hope for the best |
| $(warning we have trouble finding clang++ - llvm-config is not helping us) |
| CXX = clang++ |
| endif |
| endif |
| endif |
| |
| # sanity check. |
| # Are versions of clang --version and llvm-config --version equal? |
| CLANGVER = $(shell $(CC) --version | sed -E -ne '/^.*version\ (1?[0-9]\.[0-9]\.[0-9]).*/s//\1/p') |
| |
| # I disable this because it does not make sense with what we did before (marc) |
| # We did exactly set these 26 lines above with these values, and it would break |
| # "CC=gcc make" etc. usages |
| ifeq "$(findstring clang, $(shell $(CC) --version 2>/dev/null))" "" |
| CC_SAVE := $(LLVM_BINDIR)/clang |
| else |
| CC_SAVE := $(CC) |
| endif |
| ifeq "$(findstring clang, $(shell $(CXX) --version 2>/dev/null))" "" |
| CXX_SAVE := $(LLVM_BINDIR)/clang++ |
| else |
| CXX_SAVE := $(CXX) |
| endif |
| |
| CLANG_BIN := $(CC_SAVE) |
| CLANGPP_BIN := $(CXX_SAVE) |
| |
| ifeq "$(CC_SAVE)" "$(LLVM_BINDIR)/clang" |
| USE_BINDIR = 1 |
| else |
| ifeq "$(CXX_SAVE)" "$(LLVM_BINDIR)/clang++" |
| USE_BINDIR = 1 |
| else |
| USE_BINDIR = 0 |
| endif |
| endif |
| |
| # On old platform we cannot compile with clang because std++ libraries are too |
| # old. For these we need to use gcc/g++, so if we find REAL_CC and REAL_CXX |
| # variable we override the compiler variables here |
| ifneq "$(REAL_CC)" "" |
| CC = $(REAL_CC) |
| endif |
| ifneq "$(REAL_CXX)" "" |
| CXX = $(REAL_CXX) |
| endif |
| |
| # |
| # Now it can happen that CC points to clang - but there is no clang on the |
| # system. Then we fall back to cc |
| # |
| ifeq "$(shell command -v $(CC) 2>/dev/null)" "" |
| CC = cc |
| endif |
| ifeq "$(shell command -v $(CXX) 2>/dev/null)" "" |
| CXX = c++ |
| endif |
| |
| |
| # After we set CC/CXX we can start makefile magic tests |
| |
| #ifeq "$(shell echo 'int main() {return 0; }' | $(CC) -x c - -march=native -o .test 2>/dev/null && echo 1 || echo 0 ; rm -f .test )" "1" |
| # CFLAGS_OPT = -march=native |
| #endif |
| |
| ifeq "$(shell echo 'int main() {return 0; }' | $(CLANG_BIN) -x c - -flto=full -o .test 2>/dev/null && echo 1 || echo 0 ; rm -f .test )" "1" |
| AFL_CLANG_FLTO ?= -flto=full |
| else |
| ifeq "$(shell echo 'int main() {return 0; }' | $(CLANG_BIN) -x c - -flto=thin -o .test 2>/dev/null && echo 1 || echo 0 ; rm -f .test )" "1" |
| AFL_CLANG_FLTO ?= -flto=thin |
| else |
| ifeq "$(shell echo 'int main() {return 0; }' | $(CLANG_BIN) -x c - -flto -o .test 2>/dev/null && echo 1 || echo 0 ; rm -f .test )" "1" |
| AFL_CLANG_FLTO ?= -flto |
| endif |
| endif |
| endif |
| |
| ifeq "$(LLVM_LTO)" "1" |
| ifneq "$(AFL_CLANG_FLTO)" "" |
| ifeq "$(AFL_REAL_LD)" "" |
| ifneq "$(shell readlink $(LLVM_BINDIR)/ld.lld 2>&1)" "" |
| AFL_REAL_LD = $(LLVM_BINDIR)/ld.lld |
| else |
| $(warning ld.lld not found, cannot enable LTO mode) |
| LLVM_LTO = 0 |
| endif |
| endif |
| else |
| $(warning clang option -flto is not working - maybe LLVMgold.so not found - cannot enable LTO mode) |
| LLVM_LTO = 0 |
| endif |
| endif |
| |
| AFL_CLANG_FUSELD= |
| ifeq "$(LLVM_LTO)" "1" |
| ifeq "$(shell echo 'int main() {return 0; }' | $(CLANG_BIN) -x c - -fuse-ld=`command -v ld` -o .test 2>/dev/null && echo 1 || echo 0 ; rm -f .test )" "1" |
| AFL_CLANG_FUSELD=1 |
| ifeq "$(shell echo 'int main() {return 0; }' | $(CLANG_BIN) -x c - -fuse-ld=ld.lld --ld-path=$(LLVM_BINDIR)/ld.lld -o .test 2>/dev/null && echo 1 || echo 0 ; rm -f .test )" "1" |
| AFL_CLANG_LDPATH=1 |
| endif |
| else |
| $(warning -fuse-ld is not working, cannot enable LTO mode) |
| LLVM_LTO = 0 |
| endif |
| endif |
| |
| ifeq "$(shell echo 'int main() {return 0; }' | $(CLANG_BIN) -x c - -fdebug-prefix-map=$(CURDIR)=llvm_mode -o .test 2>/dev/null && echo 1 || echo 0 ; rm -f .test )" "1" |
| AFL_CLANG_DEBUG_PREFIX = -fdebug-prefix-map="$(CURDIR)=llvm_mode" |
| else |
| AFL_CLANG_DEBUG_PREFIX = |
| endif |
| |
| CFLAGS ?= -O3 -funroll-loops -fPIC -D_FORTIFY_SOURCE=2 |
| CFLAGS_SAFE := -Wall -g -Wno-cast-qual -Wno-variadic-macros -Wno-pointer-sign -I ./include/ -I ./instrumentation/ \ |
| -DAFL_PATH=\"$(HELPER_PATH)\" -DBIN_PATH=\"$(BIN_PATH)\" \ |
| -DLLVM_BINDIR=\"$(LLVM_BINDIR)\" -DVERSION=\"$(VERSION)\" \ |
| -DLLVM_LIBDIR=\"$(LLVM_LIBDIR)\" -DLLVM_VERSION=\"$(LLVMVER)\" \ |
| -Wno-deprecated -DAFL_CLANG_FLTO=\"$(AFL_CLANG_FLTO)\" \ |
| -DAFL_REAL_LD=\"$(AFL_REAL_LD)\" \ |
| -DAFL_CLANG_LDPATH=\"$(AFL_CLANG_LDPATH)\" \ |
| -DAFL_CLANG_FUSELD=\"$(AFL_CLANG_FUSELD)\" \ |
| -DCLANG_BIN=\"$(CLANG_BIN)\" -DCLANGPP_BIN=\"$(CLANGPP_BIN)\" -DUSE_BINDIR=$(USE_BINDIR) -Wno-unused-function \ |
| $(AFL_CLANG_DEBUG_PREFIX) |
| override CFLAGS += $(CFLAGS_SAFE) |
| |
| ifdef AFL_TRACE_PC |
| $(info Compile option AFL_TRACE_PC is deprecated, just set AFL_LLVM_INSTRUMENT=PCGUARD to activate when compiling targets ) |
| endif |
| |
| CXXFLAGS ?= -O3 -funroll-loops -fPIC -D_FORTIFY_SOURCE=2 |
| override CXXFLAGS += -Wall -g -I ./include/ \ |
| -DVERSION=\"$(VERSION)\" -Wno-variadic-macros \ |
| -DLLVM_MINOR=$(LLVM_MINOR) -DLLVM_MAJOR=$(LLVM_MAJOR) |
| |
| ifneq "$(shell $(LLVM_CONFIG) --includedir) 2> /dev/null" "" |
| CLANG_CFL = -I$(shell $(LLVM_CONFIG) --includedir) |
| endif |
| ifneq "$(LLVM_CONFIG)" "" |
| CLANG_CFL += -I$(shell dirname $(LLVM_CONFIG))/../include |
| endif |
| CLANG_CPPFL = `$(LLVM_CONFIG) --cxxflags` -fno-rtti -fPIC $(CXXFLAGS) -Wno-deprecated-declarations |
| CLANG_LFL = `$(LLVM_CONFIG) --ldflags` $(LDFLAGS) |
| |
| |
| # User teor2345 reports that this is required to make things work on MacOS X. |
| ifeq "$(SYS)" "Darwin" |
| CLANG_LFL += -Wl,-flat_namespace -Wl,-undefined,suppress |
| else |
| CLANG_CPPFL += -Wl,-znodelete |
| endif |
| |
| ifeq "$(SYS)" "OpenBSD" |
| CLANG_LFL += `$(LLVM_CONFIG) --libdir`/libLLVM.so |
| CLANG_CPPFL += -mno-retpoline |
| CFLAGS += -mno-retpoline |
| # Needed for unwind symbols |
| LDFLAGS += -lc++abi -lpthread |
| endif |
| |
| ifeq "$(shell echo '$(HASH)include <sys/ipc.h>@$(HASH)include <sys/shm.h>@int main() { int _id = shmget(IPC_PRIVATE, 65536, IPC_CREAT | IPC_EXCL | 0600); shmctl(_id, IPC_RMID, 0); return 0;}' | tr @ '\n' | $(CC) -x c - -o .test2 2>/dev/null && echo 1 || echo 0 ; rm -f .test2 )" "1" |
| SHMAT_OK=1 |
| else |
| SHMAT_OK=0 |
| CFLAGS_SAFE += -DUSEMMAP=1 |
| LDFLAGS += -Wno-deprecated-declarations |
| endif |
| |
| ifeq "$(TEST_MMAP)" "1" |
| SHMAT_OK=0 |
| CFLAGS_SAFE += -DUSEMMAP=1 |
| LDFLAGS += -Wno-deprecated-declarations |
| endif |
| |
| PROGS_ALWAYS = ./afl-cc ./afl-compiler-rt.o ./afl-compiler-rt-32.o ./afl-compiler-rt-64.o |
| PROGS = $(PROGS_ALWAYS) ./afl-llvm-pass.so ./SanitizerCoveragePCGUARD.so ./split-compares-pass.so ./split-switches-pass.so ./cmplog-routines-pass.so ./cmplog-instructions-pass.so ./afl-llvm-dict2file.so ./compare-transform-pass.so ./afl-ld-lto ./afl-llvm-lto-instrumentlist.so ./afl-llvm-lto-instrumentation.so ./SanitizerCoverageLTO.so |
| |
| # If prerequisites are not given, warn, do not build anything, and exit with code 0 |
| ifeq "$(LLVMVER)" "" |
| NO_BUILD = 1 |
| endif |
| |
| ifneq "$(LLVM_UNSUPPORTED)$(LLVM_APPLE_XCODE)" "00" |
| NO_BUILD = 1 |
| endif |
| |
| ifeq "$(NO_BUILD)" "1" |
| TARGETS = test_shm $(PROGS_ALWAYS) afl-cc.8 |
| else |
| TARGETS = test_shm test_deps $(PROGS) afl-cc.8 test_build all_done |
| endif |
| |
| LLVM_MIN_4_0_1 = $(shell awk 'function tonum(ver, a) {split(ver,a,"."); return a[1]*1000000+a[2]*1000+a[3]} BEGIN { exit tonum(ARGV[1]) >= tonum(ARGV[2]) }' $(LLVMVER) 4.0.1; echo $$?) |
| |
| .PHONY: all |
| all: $(TARGETS) |
| |
| .PHONY: test_shm |
| ifeq "$(SHMAT_OK)" "1" |
| test_shm: |
| @echo "[+] shmat seems to be working." |
| @rm -f .test2 |
| else |
| test_shm: |
| @echo "[-] shmat seems not to be working, switching to mmap implementation" |
| endif |
| |
| .PHONY: no_build |
| no_build: |
| @printf "%b\\n" "\\033[0;31mPrerequisites are not met, skipping build llvm_mode\\033[0m" |
| |
| .PHONY: test_deps |
| test_deps: |
| @echo "[*] Checking for working 'llvm-config'..." |
| ifneq "$(LLVM_APPLE_XCODE)" "1" |
| @type $(LLVM_CONFIG) >/dev/null 2>&1 || ( echo "[-] Oops, can't find 'llvm-config'. Install clang or set \$$LLVM_CONFIG or \$$PATH beforehand."; echo " (Sometimes, the binary will be named llvm-config-11 or something like that.)"; exit 1 ) |
| endif |
| @echo "[*] Checking for working '$(CC)'..." |
| @type $(CC) >/dev/null 2>&1 || ( echo "[-] Oops, can't find '$(CC)'. Make sure that it's in your \$$PATH (or set \$$CC and \$$CXX)."; exit 1 ) |
| @echo "[*] Checking for matching versions of '$(CC)' and '$(LLVM_CONFIG)'" |
| ifneq "$(CLANGVER)" "$(LLVMVER)" |
| @echo "[!] WARNING: we have llvm-config version $(LLVMVER) and a clang version $(CLANGVER)" |
| else |
| @echo "[*] We have llvm-config version $(LLVMVER) with a clang version $(CLANGVER), good." |
| endif |
| @echo "[*] Checking for './afl-showmap'..." |
| @test -f ./afl-showmap || ( echo "[-] Oops, can't find './afl-showmap'. Be sure to compile AFL first."; exit 1 ) |
| @echo "[+] All set and ready to build." |
| |
| instrumentation/afl-common.o: ./src/afl-common.c |
| $(CC) $(CFLAGS) $(CPPFLAGS) -c $< -o $@ $(LDFLAGS) |
| |
| ./afl-cc: src/afl-cc.c instrumentation/afl-common.o |
| $(CC) $(CLANG_CFL) $(CFLAGS) $(CPPFLAGS) $< instrumentation/afl-common.o -o $@ -DLLVM_MINOR=$(LLVM_MINOR) -DLLVM_MAJOR=$(LLVM_MAJOR) $(LDFLAGS) -DCFLAGS_OPT=\"$(CFLAGS_OPT)\" -lm |
| @ln -sf afl-cc ./afl-c++ |
| @ln -sf afl-cc ./afl-gcc |
| @ln -sf afl-cc ./afl-g++ |
| @ln -sf afl-cc ./afl-clang |
| @ln -sf afl-cc ./afl-clang++ |
| @ln -sf afl-cc ./afl-clang-fast |
| @ln -sf afl-cc ./afl-clang-fast++ |
| ifneq "$(AFL_CLANG_FLTO)" "" |
| ifeq "$(LLVM_LTO)" "1" |
| @ln -sf afl-cc ./afl-clang-lto |
| @ln -sf afl-cc ./afl-clang-lto++ |
| @ln -sf afl-cc ./afl-lto |
| @ln -sf afl-cc ./afl-lto++ |
| endif |
| endif |
| |
| instrumentation/afl-llvm-common.o: instrumentation/afl-llvm-common.cc instrumentation/afl-llvm-common.h |
| $(CXX) $(CFLAGS) $(CPPFLAGS) `$(LLVM_CONFIG) --cxxflags` -fno-rtti -fPIC -std=$(LLVM_STDCXX) -c $< -o $@ |
| |
| ./afl-llvm-pass.so: instrumentation/afl-llvm-pass.so.cc instrumentation/afl-llvm-common.o | test_deps |
| ifeq "$(LLVM_MIN_4_0_1)" "0" |
| $(info [!] N-gram branch coverage instrumentation is not available for llvm version $(LLVMVER)) |
| endif |
| $(CXX) $(CLANG_CPPFL) -DLLVMInsTrim_EXPORTS -fno-rtti -fPIC -std=$(LLVM_STDCXX) -shared $< -o $@ $(CLANG_LFL) instrumentation/afl-llvm-common.o |
| |
| ./SanitizerCoveragePCGUARD.so: instrumentation/SanitizerCoveragePCGUARD.so.cc instrumentation/afl-llvm-common.o | test_deps |
| ifeq "$(LLVM_10_OK)" "1" |
| -$(CXX) $(CLANG_CPPFL) -fno-rtti -fPIC -std=$(LLVM_STDCXX) -shared $< -o $@ $(CLANG_LFL) instrumentation/afl-llvm-common.o |
| endif |
| |
| ./afl-llvm-lto-instrumentlist.so: instrumentation/afl-llvm-lto-instrumentlist.so.cc instrumentation/afl-llvm-common.o |
| ifeq "$(LLVM_LTO)" "1" |
| $(CXX) $(CLANG_CPPFL) -fno-rtti -fPIC -std=$(LLVM_STDCXX) -shared $< -o $@ $(CLANG_LFL) instrumentation/afl-llvm-common.o |
| endif |
| |
| ./afl-ld-lto: src/afl-ld-lto.c |
| ifeq "$(LLVM_LTO)" "1" |
| $(CC) $(CFLAGS) $(CPPFLAGS) $< -o $@ |
| endif |
| |
| ./SanitizerCoverageLTO.so: instrumentation/SanitizerCoverageLTO.so.cc |
| ifeq "$(LLVM_LTO)" "1" |
| $(CXX) $(CLANG_CPPFL) -Wno-writable-strings -fno-rtti -fPIC -std=$(LLVM_STDCXX) -shared $< -o $@ $(CLANG_LFL) instrumentation/afl-llvm-common.o |
| endif |
| |
| ./afl-llvm-lto-instrumentation.so: instrumentation/afl-llvm-lto-instrumentation.so.cc instrumentation/afl-llvm-common.o |
| ifeq "$(LLVM_LTO)" "1" |
| $(CXX) $(CLANG_CPPFL) -Wno-writable-strings -fno-rtti -fPIC -std=$(LLVM_STDCXX) -shared $< -o $@ $(CLANG_LFL) instrumentation/afl-llvm-common.o |
| $(CLANG_BIN) $(CFLAGS_SAFE) $(CPPFLAGS) -Wno-unused-result -O0 $(AFL_CLANG_FLTO) -fPIC -c instrumentation/afl-llvm-rt-lto.o.c -o ./afl-llvm-rt-lto.o |
| @$(CLANG_BIN) $(CFLAGS_SAFE) $(CPPFLAGS) -Wno-unused-result -O0 $(AFL_CLANG_FLTO) -m64 -fPIC -c instrumentation/afl-llvm-rt-lto.o.c -o ./afl-llvm-rt-lto-64.o 2>/dev/null; if [ "$$?" = "0" ]; then : ; fi |
| @$(CLANG_BIN) $(CFLAGS_SAFE) $(CPPFLAGS) -Wno-unused-result -O0 $(AFL_CLANG_FLTO) -m32 -fPIC -c instrumentation/afl-llvm-rt-lto.o.c -o ./afl-llvm-rt-lto-32.o 2>/dev/null; if [ "$$?" = "0" ]; then : ; fi |
| endif |
| |
| # laf |
| ./split-switches-pass.so: instrumentation/split-switches-pass.so.cc instrumentation/afl-llvm-common.o | test_deps |
| $(CXX) $(CLANG_CPPFL) -shared $< -o $@ $(CLANG_LFL) instrumentation/afl-llvm-common.o |
| ./compare-transform-pass.so: instrumentation/compare-transform-pass.so.cc instrumentation/afl-llvm-common.o | test_deps |
| $(CXX) $(CLANG_CPPFL) -shared $< -o $@ $(CLANG_LFL) instrumentation/afl-llvm-common.o |
| ./split-compares-pass.so: instrumentation/split-compares-pass.so.cc instrumentation/afl-llvm-common.o | test_deps |
| $(CXX) $(CLANG_CPPFL) -shared $< -o $@ $(CLANG_LFL) instrumentation/afl-llvm-common.o |
| # /laf |
| |
| ./cmplog-routines-pass.so: instrumentation/cmplog-routines-pass.cc instrumentation/afl-llvm-common.o | test_deps |
| $(CXX) $(CLANG_CPPFL) -shared $< -o $@ $(CLANG_LFL) instrumentation/afl-llvm-common.o |
| |
| ./cmplog-instructions-pass.so: instrumentation/cmplog-instructions-pass.cc instrumentation/afl-llvm-common.o | test_deps |
| $(CXX) $(CLANG_CPPFL) -shared $< -o $@ $(CLANG_LFL) instrumentation/afl-llvm-common.o |
| |
| afl-llvm-dict2file.so: instrumentation/afl-llvm-dict2file.so.cc instrumentation/afl-llvm-common.o | test_deps |
| $(CXX) $(CLANG_CPPFL) -shared $< -o $@ $(CLANG_LFL) instrumentation/afl-llvm-common.o |
| |
| .PHONY: document |
| document: |
| $(CLANG_BIN) -D_AFL_DOCUMENT_MUTATIONS $(CFLAGS_SAFE) $(CPPFLAGS) $(CLANG_CFL) -O3 -Wno-unused-result -fPIC -c instrumentation/afl-compiler-rt.o.c -o ./afl-compiler-rt.o |
| @$(CLANG_BIN) -D_AFL_DOCUMENT_MUTATIONS $(CFLAGS_SAFE) $(CPPFLAGS) $(CLANG_CFL) -O3 -Wno-unused-result -m32 -fPIC -c instrumentation/afl-compiler-rt.o.c -o ./afl-compiler-rt-32.o 2>/dev/null; if [ "$$?" = "0" ]; then echo "success!"; else echo "failed (that's fine)"; fi |
| @$(CLANG_BIN) -D_AFL_DOCUMENT_MUTATIONS $(CFLAGS_SAFE) $(CPPFLAGS) $(CLANG_CFL) -O3 -Wno-unused-result -m64 -fPIC -c instrumentation/afl-compiler-rt.o.c -o ./afl-compiler-rt-64.o 2>/dev/null; if [ "$$?" = "0" ]; then echo "success!"; else echo "failed (that's fine)"; fi |
| |
| ./afl-compiler-rt.o: instrumentation/afl-compiler-rt.o.c |
| $(CC) $(CLANG_CFL) $(CFLAGS_SAFE) $(CPPFLAGS) -O3 -Wno-unused-result -fPIC -c $< -o $@ |
| |
| ./afl-compiler-rt-32.o: instrumentation/afl-compiler-rt.o.c |
| @printf "[*] Building 32-bit variant of the runtime (-m32)... " |
| @$(CC) $(CLANG_CFL) $(CFLAGS_SAFE) $(CPPFLAGS) -O3 -Wno-unused-result -m32 -fPIC -c $< -o $@ 2>/dev/null; if [ "$$?" = "0" ]; then echo "success!"; ln -sf afl-compiler-rt-32.o afl-llvm-rt-32.o; else echo "failed (that's fine)"; fi |
| |
| ./afl-compiler-rt-64.o: instrumentation/afl-compiler-rt.o.c |
| @printf "[*] Building 64-bit variant of the runtime (-m64)... " |
| @$(CC) $(CLANG_CFL) $(CFLAGS_SAFE) $(CPPFLAGS) -O3 -Wno-unused-result -m64 -fPIC -c $< -o $@ 2>/dev/null; if [ "$$?" = "0" ]; then echo "success!"; ln -sf afl-compiler-rt-64.o afl-llvm-rt-64.o; else echo "failed (that's fine)"; fi |
| |
| .PHONY: test_build |
| test_build: $(PROGS) |
| @echo "[*] Testing the CC wrapper and instrumentation output..." |
| unset AFL_USE_ASAN AFL_USE_MSAN AFL_INST_RATIO; ASAN_OPTIONS=detect_leaks=0 AFL_QUIET=1 AFL_PATH=. AFL_LLVM_LAF_ALL=1 ./afl-cc $(CFLAGS) $(CPPFLAGS) ./test-instr.c -o test-instr $(LDFLAGS) |
| ASAN_OPTIONS=detect_leaks=0 ./afl-showmap -m none -q -o .test-instr0 ./test-instr < /dev/null |
| echo 1 | ASAN_OPTIONS=detect_leaks=0 ./afl-showmap -m none -q -o .test-instr1 ./test-instr |
| @rm -f test-instr |
| @cmp -s .test-instr0 .test-instr1; DR="$$?"; rm -f .test-instr0 .test-instr1; if [ "$$DR" = "0" ]; then echo; echo "Oops, the instrumentation does not seem to be behaving correctly!"; echo; echo "Please post to https://github.com/AFLplusplus/AFLplusplus/issues to troubleshoot the issue."; echo; exit 1; fi |
| @echo "[+] All right, the instrumentation seems to be working!" |
| |
| .PHONY: all_done |
| all_done: test_build |
| @echo "[+] All done! You can now use './afl-cc' to compile programs." |
| |
| .NOTPARALLEL: clean |
| |
| .PHONY: install |
| install: all |
| @install -d -m 755 $${DESTDIR}$(BIN_PATH) $${DESTDIR}$(HELPER_PATH) $${DESTDIR}$(DOC_PATH) $${DESTDIR}$(MISC_PATH) |
| @if [ -f ./afl-cc ]; then set -e; install -m 755 ./afl-cc $${DESTDIR}$(BIN_PATH); ln -sf afl-cc $${DESTDIR}$(BIN_PATH)/afl-c++; fi |
| @rm -f $${DESTDIR}$(HELPER_PATH)/afl-llvm-rt*.o $${DESTDIR}$(HELPER_PATH)/afl-gcc-rt*.o |
| @if [ -f ./afl-compiler-rt.o ]; then set -e; install -m 755 ./afl-compiler-rt.o $${DESTDIR}$(HELPER_PATH); ln -sf afl-compiler-rt.o $${DESTDIR}$(HELPER_PATH)/afl-llvm-rt.o ;fi |
| @if [ -f ./afl-lto ]; then set -e; ln -sf afl-cc $${DESTDIR}$(BIN_PATH)/afl-lto; ln -sf afl-cc $${DESTDIR}$(BIN_PATH)/afl-lto++; ln -sf afl-cc $${DESTDIR}$(BIN_PATH)/afl-clang-lto; ln -sf afl-cc $${DESTDIR}$(BIN_PATH)/afl-clang-lto++; install -m 755 ./afl-llvm-lto-instrumentation.so ./afl-llvm-rt-lto*.o ./afl-llvm-lto-instrumentlist.so $${DESTDIR}$(HELPER_PATH); fi |
| @if [ -f ./afl-ld-lto ]; then set -e; install -m 755 ./afl-ld-lto $${DESTDIR}$(BIN_PATH); fi |
| @if [ -f ./afl-compiler-rt-32.o ]; then set -e; install -m 755 ./afl-compiler-rt-32.o $${DESTDIR}$(HELPER_PATH); ln -sf afl-compiler-rt-32.o $${DESTDIR}$(HELPER_PATH)/afl-llvm-rt-32.o ;fi |
| @if [ -f ./afl-compiler-rt-64.o ]; then set -e; install -m 755 ./afl-compiler-rt-64.o $${DESTDIR}$(HELPER_PATH); ln -sf afl-compiler-rt-64.o $${DESTDIR}$(HELPER_PATH)/afl-llvm-rt-64.o ; fi |
| @if [ -f ./compare-transform-pass.so ]; then set -e; install -m 755 ./*.so $${DESTDIR}$(HELPER_PATH); fi |
| @if [ -f ./compare-transform-pass.so ]; then set -e; ln -sf afl-cc $${DESTDIR}$(BIN_PATH)/afl-clang-fast ; ln -sf ./afl-c++ $${DESTDIR}$(BIN_PATH)/afl-clang-fast++ ; ln -sf afl-cc $${DESTDIR}$(BIN_PATH)/afl-clang ; ln -sf ./afl-c++ $${DESTDIR}$(BIN_PATH)/afl-clang++ ; fi |
| @if [ -f ./SanitizerCoverageLTO.so ]; then set -e; ln -sf afl-cc $${DESTDIR}$(BIN_PATH)/afl-clang-lto ; ln -sf ./afl-c++ $${DESTDIR}$(BIN_PATH)/afl-clang-lto++ ; fi |
| set -e; install -m 644 ./dynamic_list.txt $${DESTDIR}$(HELPER_PATH) |
| install -m 644 instrumentation/README.*.md $${DESTDIR}$(DOC_PATH)/ |
| |
| %.8: % |
| @echo .TH $* 8 $(BUILD_DATE) "afl++" > ./$@ |
| @echo .SH NAME >> ./$@ |
| @printf "%s" ".B $* \- " >> ./$@ |
| @./$* -h 2>&1 | head -n 1 | sed -e "s/$$(printf '\e')[^m]*m//g" >> ./$@ |
| @echo .B $* >> ./$@ |
| @echo >> ./$@ |
| @echo .SH SYNOPSIS >> ./$@ |
| @./$* -h 2>&1 | head -n 3 | tail -n 1 | sed 's/^\.\///' >> ./$@ |
| @echo >> ./$@ |
| @echo .SH OPTIONS >> ./$@ |
| @echo .nf >> ./$@ |
| @./$* -h 2>&1 | tail -n +4 >> ./$@ |
| @echo >> ./$@ |
| @echo .SH AUTHOR >> ./$@ |
| @echo "afl++ was written by Michal \"lcamtuf\" Zalewski and is maintained by Marc \"van Hauser\" Heuse <mh@mh-sec.de>, Heiko \"hexcoder-\" Eissfeldt <heiko.eissfeldt@hexco.de>, Andrea Fioraldi <andreafioraldi@gmail.com> and Dominik Maier <domenukk@gmail.com>" >> ./$@ |
| @echo The homepage of afl++ is: https://github.com/AFLplusplus/AFLplusplus >> ./$@ |
| @echo >> ./$@ |
| @echo .SH LICENSE >> ./$@ |
| @echo Apache License Version 2.0, January 2004 >> ./$@ |
| @ln -sf afl-cc.8 ./afl-c++.8 |
| @ln -sf afl-cc.8 ./afl-clang-fast.8 |
| @ln -sf afl-cc.8 ./afl-clang-fast++.8 |
| ifneq "$(AFL_CLANG_FLTO)" "" |
| ifeq "$(LLVM_LTO)" "1" |
| @ln -sf afl-cc.8 ./afl-clang-lto.8 |
| @ln -sf afl-cc.8 ./afl-clang-lto++.8 |
| @ln -sf afl-cc.8 ./afl-lto.8 |
| @ln -sf afl-cc.8 ./afl-lto++.8 |
| endif |
| endif |
| |
| .PHONY: clean |
| clean: |
| rm -f *.o *.so *~ a.out core core.[1-9][0-9]* .test2 test-instr .test-instr0 .test-instr1 *.dwo |
| rm -f $(PROGS) afl-common.o ./afl-c++ ./afl-lto ./afl-lto++ ./afl-clang-lto* ./afl-clang-fast* ./afl-clang*.8 ./ld ./afl-ld ./afl-llvm-rt*.o instrumentation/*.o |
