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authorvan Hauser <vh@thc.org>2019-12-03 01:40:41 +0100
committerGitHub <noreply@github.com>2019-12-03 01:40:41 +0100
commit4231c498392484fd2187b9ed1dedb1ba7bc0958b (patch)
tree366586c4ceef17998670a8c2d978869bdac64d56 /gcc_plugin
parentb0d590fef4acb4b002429e4aec195e5740122494 (diff)
parentef2dc98773c55eb09e4c1a588fb74df58570f868 (diff)
downloadafl++-4231c498392484fd2187b9ed1dedb1ba7bc0958b.tar.gz
Merge branch 'master' into llvm_mode_build_fix
Diffstat (limited to 'gcc_plugin')
-rw-r--r--gcc_plugin/afl-gcc-fast.c6
-rw-r--r--gcc_plugin/afl-gcc-pass.so.cc23
-rw-r--r--gcc_plugin/afl-gcc-rt.o.c12
3 files changed, 25 insertions, 16 deletions
diff --git a/gcc_plugin/afl-gcc-fast.c b/gcc_plugin/afl-gcc-fast.c
index 68035944..6522aa69 100644
--- a/gcc_plugin/afl-gcc-fast.c
+++ b/gcc_plugin/afl-gcc-fast.c
@@ -325,6 +325,12 @@ int main(int argc, char** argv) {
     SAYF(cCYA "afl-gcc-fast" VERSION cRST
               " initially by <aseipp@pobox.com>, maintainer: hexcoder-\n");
 
+    if (getenv("AFL_GCC_WHITELIST") == NULL) {
+    
+      SAYF(cYEL "Warning:" cRST " using afl-gcc-fast without using AFL_GCC_WHITELIST currently produces worse results than afl-gcc. Even better, use llvm_mode for now.\n");
+    
+    }
+
   }
 
   find_obj(argv[0]);
diff --git a/gcc_plugin/afl-gcc-pass.so.cc b/gcc_plugin/afl-gcc-pass.so.cc
index 19e4dfba..ab7daebb 100644
--- a/gcc_plugin/afl-gcc-pass.so.cc
+++ b/gcc_plugin/afl-gcc-pass.so.cc
@@ -166,7 +166,7 @@ static unsigned int ext_call_instrument(function *fun) {
     fcall = gimple_build_call(
         fndecl, 1,
         cur_loc); /* generate the function _call_ to above built reference, with
-                     *1* parameter -> the random const for the location */
+                   *1* parameter -> the random const for the location */
     gimple_seq_add_stmt(&seq, fcall);         /* and insert into a sequence */
 
     /* Done - grab the entry to the block and insert sequence */
@@ -202,10 +202,9 @@ static unsigned int inline_instrument(function *fun) {
   basic_block bb;
   unsigned    finst_blocks = 0;
   unsigned    fcnt_blocks = 0;
-  tree one = build_int_cst(unsigned_char_type_node, 1);
+  tree        one = build_int_cst(unsigned_char_type_node, 1);
   // tree zero = build_int_cst(unsigned_char_type_node, 0);
 
-
   /* Set up global type declarations */
   tree map_type = build_pointer_type(unsigned_char_type_node);
   tree map_ptr_g =
@@ -417,8 +416,8 @@ class afl_pass : public gimple_opt_pass {
 
     if (!myWhitelist.empty()) {
 
-      bool instrumentBlock = false;
-      std::string instFilename;
+      bool         instrumentBlock = false;
+      std::string  instFilename;
       unsigned int instLine = 0;
 
       /* EXPR_FILENAME
@@ -467,13 +466,17 @@ class afl_pass : public gimple_opt_pass {
       if (!instrumentBlock) {
 
         if (!be_quiet) {
-             if (!instFilename.empty())
-               SAYF(cYEL "[!] " cBRI "Not in whitelist, skipping %s line %u...\n",
-                    instFilename.c_str(), instLine);
-             else
-               SAYF(cYEL "[!] " cBRI "No filename information found, skipping it");
+
+          if (!instFilename.empty())
+            SAYF(cYEL "[!] " cBRI "Not in whitelist, skipping %s line %u...\n",
+                 instFilename.c_str(), instLine);
+          else
+            SAYF(cYEL "[!] " cBRI "No filename information found, skipping it");
+
         }
+
         return 0;
+
       }
 
     }
diff --git a/gcc_plugin/afl-gcc-rt.o.c b/gcc_plugin/afl-gcc-rt.o.c
index 1fb9e099..37cdbeb3 100644
--- a/gcc_plugin/afl-gcc-rt.o.c
+++ b/gcc_plugin/afl-gcc-rt.o.c
@@ -55,9 +55,9 @@ __thread u32 __afl_prev_loc;
 /* Trace a basic block with some ID */
 void __afl_trace(const u32 x) {
 
-#if 1 /* enable for neverZero feature. */
-  __afl_area_ptr[__afl_prev_loc ^ x] += 1 
-                               + ((u8)(1 + __afl_area_ptr[__afl_prev_loc ^ x]) == 0);
+#if 1                                      /* enable for neverZero feature. */
+  __afl_area_ptr[__afl_prev_loc ^ x] +=
+      1 + ((u8)(1 + __afl_area_ptr[__afl_prev_loc ^ x]) == 0);
 #else
   ++__afl_area_ptr[__afl_prev_loc ^ x];
 #endif
@@ -84,9 +84,9 @@ static void __afl_map_shm(void) {
   if (id_str) {
 
 #ifdef USEMMAP
-    const char*    shm_file_path = id_str;
+    const char *   shm_file_path = id_str;
     int            shm_fd = -1;
-    unsigned char* shm_base = NULL;
+    unsigned char *shm_base = NULL;
 
     /* create the shared memory segment as if it was a file */
     shm_fd = shm_open(shm_file_path, O_RDWR, 0600);
@@ -265,7 +265,7 @@ int __afl_persistent_loop(unsigned int max_cnt) {
 
   }
 
-    return 0;
+  return 0;
 
 }