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reenable afl-clang(++)

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This commit is contained in:
hexcoder- 2020-11-01 06:22:18 +01:00
parent 5a84db7c67
commit ded80870a9
3 changed files with 45 additions and 4 deletions
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4
GNUmakefile
View File

@ -538,7 +538,7 @@ all_done: test_build
.PHONY: clean
clean:
rm -f $(PROGS) libradamsa.so afl-fuzz-document afl-as as afl-g++ afl-clang afl-clang++ *.o src/*.o *~ a.out core core.[1-9][0-9]* *.stackdump .test .test1 .test2 test-instr .test-instr0 .test-instr1 afl-qemu-trace afl-gcc-fast afl-gcc-pass.so afl-g++-fast ld *.so *.8 test/unittests/*.o test/unittests/unit_maybe_alloc test/unittests/preallocable .afl-* afl-gcc afl-g++ test/unittests/unit_hash test/unittests/unit_rand
rm -f $(PROGS) libradamsa.so afl-fuzz-document afl-as as afl-g++ afl-clang afl-clang++ *.o src/*.o *~ a.out core core.[1-9][0-9]* *.stackdump .test .test1 .test2 test-instr .test-instr0 .test-instr1 afl-qemu-trace afl-gcc-fast afl-gcc-pass.so afl-g++-fast ld *.so *.8 test/unittests/*.o test/unittests/unit_maybe_alloc test/unittests/preallocable .afl-* afl-gcc afl-g++ afl-clang afl-clang++ test/unittests/unit_hash test/unittests/unit_rand
-$(MAKE) -f GNUmakefile.llvm clean
-$(MAKE) -f GNUmakefile.gcc_plugin clean
$(MAKE) -C libdislocator clean
@ -633,6 +633,8 @@ install: all $(MANPAGES)
-$(MAKE) -f GNUmakefile.gcc_plugin install
ln -sf afl-cc $${DESTDIR}$(BIN_PATH)/afl-gcc
ln -sf afl-cc $${DESTDIR}$(BIN_PATH)/afl-g++
ln -sf afl-cc $${DESTDIR}$(BIN_PATH)/afl-clang
ln -sf afl-cc $${DESTDIR}$(BIN_PATH)/afl-clang++
@mkdir -m 0755 -p ${DESTDIR}$(MAN_PATH)
install -m0644 *.8 ${DESTDIR}$(MAN_PATH)
install -m 755 afl-as $${DESTDIR}$(HELPER_PATH)

2
GNUmakefile.llvm
View File

@ -361,6 +361,8 @@ instrumentation/afl-common.o: ./src/afl-common.c
@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)" ""

43
src/afl-cc.c
View File

@ -48,6 +48,7 @@
static u8 * obj_path; /* Path to runtime libraries */
static u8 **cc_params; /* Parameters passed to the real CC */
static u32 cc_par_cnt = 1; /* Param count, including argv0 */
static u8 clang_mode; /* Invoked as afl-clang*? */
static u8 llvm_fullpath[PATH_MAX];
static u8 instrument_mode, instrument_opt_mode, ngram_size, lto_mode;
static u8 compiler_mode, plusplus_mode, have_instr_env = 0;
@ -288,7 +289,15 @@ static void edit_params(u32 argc, char **argv, char **envp) {
if (compiler_mode >= GCC_PLUGIN) {
alt_cxx = "g++";
if (compiler_mode == GCC) {
alt_cxx = clang_mode ? "clang++" : "g++";
} else {
alt_cxx = "g++";
}
} else {
@ -313,7 +322,15 @@ static void edit_params(u32 argc, char **argv, char **envp) {
if (compiler_mode >= GCC_PLUGIN) {
alt_cc = "gcc";
if (compiler_mode == GCC) {
alt_cc = clang_mode ? "clang" : "gcc";
} else {
alt_cc = "gcc";
}
} else {
@ -337,6 +354,11 @@ static void edit_params(u32 argc, char **argv, char **envp) {
cc_params[cc_par_cnt++] = "-B";
cc_params[cc_par_cnt++] = obj_path;
if (clang_mode) {
cc_params[cc_par_cnt++] = "-no-integrated-as";
}
}
if (compiler_mode == GCC_PLUGIN) {
@ -934,7 +956,9 @@ int main(int argc, char **argv, char **envp) {
} else if (strncmp(callname, "afl-gcc", 7) == 0 ||
strncmp(callname, "afl-g++", 7) == 0) {
strncmp(callname, "afl-g++", 7) == 0 ||
strncmp(callname, "afl-clang", 9) == 0) {
compiler_mode = GCC;
@ -978,6 +1002,19 @@ int main(int argc, char **argv, char **envp) {
}
if (strncmp(callname, "afl-clang", 9) == 0) {
clang_mode = 1;
if (strncmp(callname, "afl-clang++", 11) == 0) {
plusplus_mode = 1;
}
}
for (i = 1; i < argc; i++) {
if (strncmp(argv[i], "--afl", 5) == 0) {