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use passthrough mode for wasm

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This commit is contained in:
Jesse Schwartzentruber
2022-04-20 15:38:37 -04:00
parent 4f42ecd815
commit 630eb943a5
1 changed files with 9 additions and 8 deletions
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17
src/afl-cc.c
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@ -58,6 +58,7 @@ static u8 debug;
static u8 cwd[4096]; static u8 cwd[4096];
static u8 cmplog_mode; static u8 cmplog_mode;
u8 use_stdin; /* dummy */ u8 use_stdin; /* dummy */
static int passthrough;
// static u8 *march_opt = CFLAGS_OPT; // static u8 *march_opt = CFLAGS_OPT;
enum { 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, 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, 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 *)); 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, "-E")) preprocessor_only = 1;
if (!strcmp(cur, "-shared")) shared_linking = 1; if (!strcmp(cur, "-shared")) shared_linking = 1;
if (!strcmp(cur, "-dynamiclib")) 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,-r")) partial_linking = 1;
if (!strcmp(cur, "-Wl,-i")) partial_linking = 1; if (!strcmp(cur, "-Wl,-i")) partial_linking = 1;
if (!strcmp(cur, "-Wl,--relocatable")) 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 // e.g. compiled download or compiled from github then its ./lib directory
// might not be in the search path. Add it if so. // might not be in the search path. Add it if so.
u8 *libdir = strdup(LLVM_LIBDIR); 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)) { strncmp(libdir, "/usr", 4) && strncmp(libdir, "/lib", 4)) {
cc_params[cc_par_cnt++] = "-rpath"; cc_params[cc_par_cnt++] = "-rpath";
@ -1093,7 +1094,7 @@ static void edit_params(u32 argc, char **argv, char **envp) {
switch (bit_mode) { switch (bit_mode) {
case 0: case 0:
if (!shared_linking && !partial_linking && !wasm_linking) if (!shared_linking && !partial_linking)
cc_params[cc_par_cnt++] = cc_params[cc_par_cnt++] =
alloc_printf("%s/afl-compiler-rt.o", obj_path); alloc_printf("%s/afl-compiler-rt.o", obj_path);
if (lto_mode) if (lto_mode)
@ -1102,7 +1103,7 @@ static void edit_params(u32 argc, char **argv, char **envp) {
break; break;
case 32: case 32:
if (!shared_linking && !partial_linking && !wasm_linking) { if (!shared_linking && !partial_linking) {
cc_params[cc_par_cnt++] = cc_params[cc_par_cnt++] =
alloc_printf("%s/afl-compiler-rt-32.o", obj_path); 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; break;
case 64: case 64:
if (!shared_linking && !partial_linking && !wasm_linking) { if (!shared_linking && !partial_linking) {
cc_params[cc_par_cnt++] = cc_params[cc_par_cnt++] =
alloc_printf("%s/afl-compiler-rt-64.o", obj_path); 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 !defined(__APPLE__) && !defined(__sun)
if (!shared_linking && !partial_linking && !wasm_linking) if (!shared_linking && !partial_linking)
cc_params[cc_par_cnt++] = cc_params[cc_par_cnt++] =
alloc_printf("-Wl,--dynamic-list=%s/dynamic_list.txt", obj_path); alloc_printf("-Wl,--dynamic-list=%s/dynamic_list.txt", obj_path);
#endif #endif
@ -1179,7 +1180,7 @@ static void edit_params(u32 argc, char **argv, char **envp) {
int main(int 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; char *callname = argv[0], *ptr = NULL;
if (getenv("AFL_DEBUG")) { if (getenv("AFL_DEBUG")) {