use passthrough mode for wasm
MODIFY
src/afl-cc.c
src/afl-cc.c
@@ -58,6 +58,7 @@ static u8 debug;
static u8 cwd[4096];
static u8 cmplog_mode;
u8 use_stdin; /* dummy */
+static int passthrough;
// static u8 *march_opt = CFLAGS_OPT;
enum {
@@ -315,7 +316,7 @@ static void edit_params(u32 argc, char **argv, char **envp) {
u8 fortify_set = 0, asan_set = 0, x_set = 0, bit_mode = 0, shared_linking = 0,
preprocessor_only = 0, have_unroll = 0, have_o = 0, have_pic = 0,
- have_c = 0, partial_linking = 0, wasm_linking = 0;
+ have_c = 0, partial_linking = 0;
cc_params = ck_alloc((argc + 128) * sizeof(u8 *));
@@ -826,7 +827,7 @@ static void edit_params(u32 argc, char **argv, char **envp) {
if (!strcmp(cur, "-E")) preprocessor_only = 1;
if (!strcmp(cur, "-shared")) shared_linking = 1;
if (!strcmp(cur, "-dynamiclib")) shared_linking = 1;
- if (!strcmp(cur, "--target=wasm32-wasi")) wasm_linking = 1;
+ if (!strcmp(cur, "--target=wasm32-wasi")) passthrough = 1;
if (!strcmp(cur, "-Wl,-r")) partial_linking = 1;
if (!strcmp(cur, "-Wl,-i")) partial_linking = 1;
if (!strcmp(cur, "-Wl,--relocatable")) partial_linking = 1;
@@ -845,7 +846,7 @@ static void edit_params(u32 argc, char **argv, char **envp) {
// e.g. compiled download or compiled from github then its ./lib directory
// might not be in the search path. Add it if so.
u8 *libdir = strdup(LLVM_LIBDIR);
- if (plusplus_mode && !wasm_linking && strlen(libdir) &&
+ if (plusplus_mode && strlen(libdir) &&
strncmp(libdir, "/usr", 4) && strncmp(libdir, "/lib", 4)) {
cc_params[cc_par_cnt++] = "-rpath";
@@ -1093,7 +1094,7 @@ static void edit_params(u32 argc, char **argv, char **envp) {
switch (bit_mode) {
case 0:
- if (!shared_linking && !partial_linking && !wasm_linking)
+ if (!shared_linking && !partial_linking)
cc_params[cc_par_cnt++] =
alloc_printf("%s/afl-compiler-rt.o", obj_path);
if (lto_mode)
@@ -1102,7 +1103,7 @@ static void edit_params(u32 argc, char **argv, char **envp) {
break;
case 32:
- if (!shared_linking && !partial_linking && !wasm_linking) {
+ if (!shared_linking && !partial_linking) {
cc_params[cc_par_cnt++] =
alloc_printf("%s/afl-compiler-rt-32.o", obj_path);
@@ -1123,7 +1124,7 @@ static void edit_params(u32 argc, char **argv, char **envp) {
break;
case 64:
- if (!shared_linking && !partial_linking && !wasm_linking) {
+ if (!shared_linking && !partial_linking) {
cc_params[cc_par_cnt++] =
alloc_printf("%s/afl-compiler-rt-64.o", obj_path);
@@ -1146,7 +1147,7 @@ static void edit_params(u32 argc, char **argv, char **envp) {
}
#if !defined(__APPLE__) && !defined(__sun)
- if (!shared_linking && !partial_linking && !wasm_linking)
+ if (!shared_linking && !partial_linking)
cc_params[cc_par_cnt++] =
alloc_printf("-Wl,--dynamic-list=%s/dynamic_list.txt", obj_path);
#endif
@@ -1179,7 +1180,7 @@ static void edit_params(u32 argc, char **argv, char **envp) {
int main(int argc, char **argv, char **envp) {
- int i, passthrough = 0;
+ int i;
char *callname = argv[0], *ptr = NULL;
if (getenv("AFL_DEBUG")) {

use passthrough mode for wasm