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ElfReader: Constructor tries to get ELF from ENV FAIL_ELF_PATH

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git-svn-id: https://www4.informatik.uni-erlangen.de/i4svn/danceos/trunk/devel/fail@2002 8c4709b5-6ec9-48aa-a5cd-a96041d1645a
This commit is contained in:
hoffmann
2013-01-15 12:53:49 +00:00
parent d721ce7041
commit ac7cec7684
5 changed files with 181 additions and 154 deletions
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71
src/experiments/vezs-example/experiment.cc
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@ -5,9 +5,7 @@
#include <sys/types.h>
#include <unistd.h>
#include "util/Logger.hpp"
#include "util/ElfReader.hpp"
#include <stdlib.h>
#include "experiment.hpp"
#include "experimentInfo.hpp"
@ -28,61 +26,58 @@ using namespace fail;
#error This experiment needs: breakpoints, traps, save, and restore. Enable these in the configuration.
#endif
#define SAVESTATE (1)
void VEZSExperiment::printEIP() {
m_log << "EIP = 0x" << hex << simulator.getCPU(0).getInstructionPointer() <<" "<< m_elf.getNameByAddress(simulator.getCPU(0).getInstructionPointer()) << endl;
}
bool VEZSExperiment::run()
{
Logger log("VEZS-Example", false);
// Elf image path must be set in a environment variable.
char * elfpath = getenv("CIAO_ELF_PATH");
if(elfpath == NULL){
log << " CIAO_ELF_PATH not set :(" << std::endl;
simulator.terminate();
}
ElfReader elf(elfpath);
log << "STARTING EXPERIMENT" << endl;
log << "main() address: " << elf.getAddressByName("main") << endl;
//elf.printMangled();
//elf.printDemangled();
m_log << "STARTING EXPERIMENT" << endl;
printEIP();
#if(SAVESTATE)
m_log << "Booting, and saving state at ";
BPSingleListener bp;
#if 0
// STEP 1: run until interesting function starts, and save state
bp.setWatchInstructionPointer(elf.getAddressByName("main"));
bp.setWatchInstructionPointer(m_elf.getAddressByName("main"));
if(simulator.addListenerAndResume(&bp) == &bp){
log << "test function entry reached, saving state" << endl;
m_log << "test function entry reached, saving state" << endl;
}
log << "EIP = " << hex << bp.getTriggerInstructionPointer() << endl;
printEIP();
//simulator.terminate();
simulator.save("vezs.state");
simulator.terminate();
#endif
#if 1
#else
//int bit_offset = 2;
//for (int instr_offset = 0; instr_offset < OOSTUBS_NUMINSTR; ++instr_offset) {
// STEP 3: The actual experiment.
log << "restoring state" << endl;
m_log << "restoring state" << endl;
simulator.restore("vezs.state");
log << " current EIP = " << simulator.getCPU(0).getInstructionPointer() << endl;
BPSingleListener bpt0;
BPSingleListener bpt1;
bpt0.setWatchInstructionPointer(elf.getAddressByName("Alpha::functionTaskTask0"));
bpt1.setWatchInstructionPointer(elf.getAddressByName("_ZN4Beta17functionTaskTask1Ev")); // both mangled and demangled name a working.
printEIP();
simulator.addListener(&bpt1);
simulator.addListenerAndResume(&bpt0);
log << "EIP = " << simulator.getCPU(0).getInstructionPointer() <<" "<<elf.getMangledNameByAddress(simulator.getCPU(0).getInstructionPointer()) << endl;
// BPSingleListener bpt0;
// BPSingleListener bpt1;
// m_elf.printDemangled();
// bpt0.setWatchInstructionPointer(m_elf.getAddressByName("DOM1::functionTaskmainTask"));
// bpt1.setWatchInstructionPointer(m_elf.getAddressByName("DOM1::functionTaskpersistentDetectorScopeEntryTask")); // both mangled and demangled name a working.
//
// simulator.addListener(&bpt1);
// simulator.addListenerAndResume(&bpt0);
// printEIP();
simulator.resume();
log << "EIP = " << simulator.getCPU(0).getInstructionPointer() <<" "<<elf.getNameByAddress(simulator.getCPU(0).getInstructionPointer()) << endl;
simulator.clearListeners();
bpt1.setWatchInstructionPointer(elf.getAddressByName("os::krn::SchedImpl::superDispatch_impl"));
for(int i = 0; i < 10; i++){
simulator.addListenerAndResume(&bpt1);
log << "EIP = " << simulator.getCPU(0).getInstructionPointer() <<" "<< elf.getNameByAddress(simulator.getCPU(0).getInstructionPointer()) << endl;
}
//
// printEIP();
// simulator.clearListeners();
// bpt1.setWatchInstructionPointer(m_elf.getAddressByName("os::krn::SchedImpl::superDispatch_impl"));
// for(;;){
// simulator.addListenerAndResume(&bpt1);
// printEIP();
// }
#endif
#if 0
int32_t data = simulator.getCPU(0).getRegister(RID_CAX)->getData();

11
src/experiments/vezs-example/experiment.hpp
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@ -3,10 +3,19 @@
#include "efw/ExperimentFlow.hpp"
#include "efw/JobClient.hpp"
#include "util/Logger.hpp"
#include "util/ElfReader.hpp"
class VEZSExperiment : public fail::ExperimentFlow {
fail::JobClient m_jc;
fail::JobClient m_jc;
fail::ElfReader m_elf;
fail::Logger m_log;
void printEIP();
public:
VEZSExperiment() : m_log("VEZS-example", false) {};
bool run();
};