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| author | van Hauser <vh@thc.org> | 2019-10-31 10:53:05 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-10-31 10:53:05 +0100 |
| commit | 2d0b90b423d7f18f304d5fe1b64908c23b0c687a (patch) | |
| tree | a4e7948afcbfea793ffe25e140cbf35519abbb63 | |
| parent | 4620d31e2aaed11c8aacf0b499301a3154a2d390 (diff) | |
| parent | 070ccae4dd04c5315bf1daba8ee35202b4f30264 (diff) | |
| download | afl++-2d0b90b423d7f18f304d5fe1b64908c23b0c687a.tar.gz | |
Merge pull request #96 from devnexen/llvm_mode_other_oses_llvm_cfg
LLVM mode passing the full path of the LLVM config bindir.
| -rw-r--r-- | llvm_mode/Makefile | 2 | ||||
| -rw-r--r-- | llvm_mode/afl-clang-fast.c | 13 |
2 files changed, 12 insertions, 3 deletions
diff --git a/llvm_mode/Makefile b/llvm_mode/Makefile index 7cfbe92d..033babac 100644 --- a/llvm_mode/Makefile +++ b/llvm_mode/Makefile @@ -52,7 +52,7 @@ endif CFLAGS ?= -O3 -funroll-loops CFLAGS += -Wall -D_FORTIFY_SOURCE=2 -g -Wno-pointer-sign -I ../include/ \ -DAFL_PATH=\"$(HELPER_PATH)\" -DBIN_PATH=\"$(BIN_PATH)\" \ - -DVERSION=\"$(VERSION)\" + -DLLVM_BINDIR=\"$(LLVM_BINDIR)\" -DVERSION=\"$(VERSION)\" ifdef AFL_TRACE_PC CFLAGS += -DUSE_TRACE_PC=1 endif diff --git a/llvm_mode/afl-clang-fast.c b/llvm_mode/afl-clang-fast.c index 1acf8856..b2243492 100644 --- a/llvm_mode/afl-clang-fast.c +++ b/llvm_mode/afl-clang-fast.c @@ -32,11 +32,13 @@ #include <unistd.h> #include <stdlib.h> #include <string.h> +#include <limits.h> #include <assert.h> 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 llvm_fullpath[PATH_MAX]; /* Try to find the runtime libraries. If that fails, abort. */ @@ -104,6 +106,7 @@ static void find_obj(u8* argv0) { static void edit_params(u32 argc, char** argv) { u8 fortify_set = 0, asan_set = 0, x_set = 0, maybe_linking = 1, bit_mode = 0; + u8 has_llvm_config = 0; u8* name; cc_params = ck_alloc((argc + 128) * sizeof(u8*)); @@ -114,15 +117,21 @@ static void edit_params(u32 argc, char** argv) { else ++name; + has_llvm_config = (strlen(LLVM_BINDIR) > 0); + if (!strcmp(name, "afl-clang-fast++")) { u8* alt_cxx = getenv("AFL_CXX"); - cc_params[0] = alt_cxx ? alt_cxx : (u8*)"clang++"; + if (has_llvm_config) snprintf(llvm_fullpath, sizeof(llvm_fullpath), "%s/clang++", LLVM_BINDIR); + else sprintf(llvm_fullpath, "clang++"); + cc_params[0] = alt_cxx ? alt_cxx : (u8*)llvm_fullpath; } else { u8* alt_cc = getenv("AFL_CC"); - cc_params[0] = alt_cc ? alt_cc : (u8*)"clang"; + if (has_llvm_config) snprintf(llvm_fullpath, sizeof(llvm_fullpath), "%s/clang", LLVM_BINDIR); + else sprintf(llvm_fullpath, "clang"); + cc_params[0] = alt_cc ? alt_cc : (u8*)llvm_fullpath; } |