From e85144bff21445ef19864c38be87055045d95c35 Mon Sep 17 00:00:00 2001 From: Gabe Black Date: Tue, 7 Aug 2007 15:27:54 -0700 Subject: [PATCH] Statetrace: Make statetrace do string instructions all at once like m5 does. --HG-- extra : convert_revision : 2103029077450e46f70077066708255310963d9d --- util/statetrace/arch/tracechild_amd64.cc | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) 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() -- 2.30.2