diff options
Diffstat (limited to 'gcc_plugin')
| -rw-r--r-- | gcc_plugin/afl-gcc-pass.so.cc | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc_plugin/afl-gcc-pass.so.cc b/gcc_plugin/afl-gcc-pass.so.cc index b6246c7a..66c133b8 100644 --- a/gcc_plugin/afl-gcc-pass.so.cc +++ b/gcc_plugin/afl-gcc-pass.so.cc @@ -113,6 +113,7 @@ static unsigned int ext_call_instrument(function *fun) { DECL_EXTERNAL(fndecl) = 1; /* External linkage */ DECL_ARTIFICIAL(fndecl) = 1; /* Injected by compiler */ +printf("NEW FUNC %s\n", function_name(fun)); FOR_EACH_BB_FN(bb, fun) { gimple_seq fcall; @@ -128,24 +129,40 @@ static unsigned int ext_call_instrument(function *fun) { int more_than_one = -1; edge ep; edge_iterator eip; +int foo = 0; + if (ep->flags & EDGE_FALLTHRU) +printf("pred %d fallthough\n", foo); FOR_EACH_EDGE(ep, eip, bb->preds) { +int item = 0; +foo++; +printf("pred %d\n", foo); + if (ep->flags & EDGE_FALLTHRU) +printf("pred %d fallthough\n", foo); + int count = 0; +if (ep->flags & EDGE_FALLTHRU) if (more_than_one == -1) more_than_one = 0; basic_block Pred = ep->src; edge es; edge_iterator eis; FOR_EACH_EDGE(es, eis, Pred->succs) { +item++; + if (es->flags & EDGE_FALLTHRU) +printf("item %d fallthough\n", item); + basic_block Succ = es->dest; if (Succ != NULL) count++; } +printf("total items: %d\n", item); if (count > 1) more_than_one = 1; } +printf("result: %d\n", more_than_one); if (more_than_one != 1) continue; |