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Diffstat (limited to 'util/statetrace/tracechild.hh')
-rw-r--r-- | util/statetrace/tracechild.hh | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/util/statetrace/tracechild.hh b/util/statetrace/tracechild.hh new file mode 100644 index 000000000..f9c23b781 --- /dev/null +++ b/util/statetrace/tracechild.hh @@ -0,0 +1,65 @@ +/* + * Copyright (c) 2006 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Gabe Black + */ + +#ifndef TRACECHILD_HH +#define TRACECHILD_HH + +#include "regstate.hh" + +class TraceChild : public RegState +{ +protected: + int pid; + bool tracing; +public: + TraceChild() : tracing(false) + {;} + virtual bool startTracing(const char * pathToFile, const char * arg); + virtual bool stopTracing(); + virtual bool step(); + virtual uint64_t getPC() = 0; + virtual uint64_t getSP() = 0; + virtual std::ostream & outputStartState(std::ostream & os) = 0; + int getPid() + { + return pid; + } + bool isTracing() + { + return tracing; + } +protected: + bool ptraceSingleStep(); + bool doWait(); +}; + +TraceChild * genTraceChild(); + +#endif |