diff options
| -rw-r--r-- | gcc_plugin/afl-gcc-pass.so.cc | 17 | ||||
| -rw-r--r-- | src/afl-fuzz-init.c | 9 |
2 files changed, 21 insertions, 5 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; diff --git a/src/afl-fuzz-init.c b/src/afl-fuzz-init.c index 82ba6f8a..d99f9bec 100644 --- a/src/afl-fuzz-init.c +++ b/src/afl-fuzz-init.c @@ -1562,11 +1562,10 @@ void check_cpu_governor(void) { " echo performance | tee cpu*/cpufreq/scaling_governor\n\n" " You can later go back to the original state by replacing " - "'performance' with\n" - " 'ondemand'. If you don't want to change the settings, set " - "AFL_SKIP_CPUFREQ\n" - " to make afl-fuzz skip this check - but expect some performance " - "drop.\n", + "'performance'\n" + " with 'ondemand' or 'powersave'. If you don't want to change the settings,\n" + " set AFL_SKIP_CPUFREQ to make afl-fuzz skip this check - but expect some\n" + " performance drop.\n", min / 1024, max / 1024); FATAL("Suboptimal CPU scaling governor"); |