diff options
| -rw-r--r-- | util/statetrace/arch/tracechild_amd64.cc | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/util/statetrace/arch/tracechild_amd64.cc b/util/statetrace/arch/tracechild_amd64.cc index 222923972..112ee793e 100644 --- a/util/statetrace/arch/tracechild_amd64.cc +++ b/util/statetrace/arch/tracechild_amd64.cc @@ -317,7 +317,15 @@ bool AMD64TraceChild::step() ptrace(PTRACE_POKEDATA, pid, ripAfterSyscall, buf); } else - ptraceSingleStep(); + { + //Get all the way past repe and repne string instructions in one shot. + uint64_t newPC, origPC = getPC(); + do + { + ptraceSingleStep(); + newPC = getPC(); + } while(newPC == origPC); + } } TraceChild * genTraceChild() |