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support LLVMFuzzerTestOneInput archive targets

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vanhauser-thc
2024-12-13 11:05:17 +01:00
parent 9160805f4a
commit 2956b9cc4c
2 changed files with 43 additions and 37 deletions
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78
src/afl-cc.c
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@ -1764,6 +1764,41 @@ static u8 fsanitize_fuzzer_comma(char *string) {
}
/* Add params to link with libAFLDriver.a on request */
static void add_aflpplib(aflcc_state_t *aflcc) {
if (!aflcc->need_aflpplib) return;
u8 *afllib = find_object(aflcc, "libAFLDriver.a");
if (!be_quiet) {
OKF("Found '-fsanitize=fuzzer', replacing with libAFLDriver.a");
}
if (!afllib) {
if (!be_quiet) {
WARNF(
"Cannot find 'libAFLDriver.a' to replace '-fsanitize=fuzzer' in "
"the flags - this will fail!");
}
} else {
insert_param(aflcc, afllib);
#ifdef __APPLE__
insert_param(aflcc, "-Wl,-undefined,dynamic_lookup");
#endif
}
}
/*
Parse and process possible -fsanitize related args, return PARAM_MISS
if nothing matched. We have 3 main tasks here for these args:
@ -1777,6 +1812,7 @@ static u8 fsanitize_fuzzer_comma(char *string) {
param_st parse_fsanitize(aflcc_state_t *aflcc, u8 *cur_argv, u8 scan) {
param_st final_ = PARAM_MISS;
u8 insert = 0;
// MACRO START
#define HAVE_SANITIZER_SCAN_KEEP(v, k) \
@ -1822,6 +1858,7 @@ param_st parse_fsanitize(aflcc_state_t *aflcc, u8 *cur_argv, u8 scan) {
if (scan) {
aflcc->need_aflpplib = 1;
insert = 1;
final_ = PARAM_SCAN;
} else {
@ -1842,6 +1879,7 @@ param_st parse_fsanitize(aflcc_state_t *aflcc, u8 *cur_argv, u8 scan) {
if (fsanitize_fuzzer_comma(cur_argv_)) {
aflcc->need_aflpplib = 1;
insert = 1;
final_ = PARAM_SCAN;
}
@ -1882,7 +1920,8 @@ param_st parse_fsanitize(aflcc_state_t *aflcc, u8 *cur_argv, u8 scan) {
}
if (final_ == PARAM_KEEP) insert_param(aflcc, cur_argv);
if (final_ == PARAM_KEEP) { insert_param(aflcc, cur_argv); }
if (insert) { add_aflpplib(aflcc); }
return final_;
@ -2352,41 +2391,6 @@ void add_lto_passes(aflcc_state_t *aflcc) {
}
/* Add params to link with libAFLDriver.a on request */
static void add_aflpplib(aflcc_state_t *aflcc) {
if (!aflcc->need_aflpplib) return;
u8 *afllib = find_object(aflcc, "libAFLDriver.a");
if (!be_quiet) {
OKF("Found '-fsanitize=fuzzer', replacing with libAFLDriver.a");
}
if (!afllib) {
if (!be_quiet) {
WARNF(
"Cannot find 'libAFLDriver.a' to replace '-fsanitize=fuzzer' in "
"the flags - this will fail!");
}
} else {
insert_param(aflcc, afllib);
#ifdef __APPLE__
insert_param(aflcc, "-Wl,-undefined,dynamic_lookup");
#endif
}
}
/* Add params to link with runtimes depended by our instrumentation */
void add_runtime(aflcc_state_t *aflcc) {
@ -2479,7 +2483,7 @@ void add_runtime(aflcc_state_t *aflcc) {
#endif
add_aflpplib(aflcc);
add_aflpplib(aflcc); // double insertion helps compiling
#if defined(USEMMAP) && !defined(__HAIKU__) && !__APPLE__
insert_param(aflcc, "-Wl,-lrt");