exchange experimentInfo.hpp by experiment.conf which is know paresd during
runtime (no recompile anymore)
This commit is contained in:
Tobias Stumpf
@ -8,15 +8,6 @@
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using namespace std;
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using namespace fail;
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// Check if configuration dependencies are satisfied:
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#if !defined(CONFIG_EVENT_BREAKPOINTS) || !defined(CONFIG_SR_RESTORE) || \
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!defined(CONFIG_EVENT_MEMREAD) || !defined(CONFIG_EVENT_MEMWRITE) || \
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!defined(CONFIG_SR_SAVE) || \
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!defined(CONFIG_EVENT_IOPORT)
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#error This experiment needs: breakpoints, memory accesses, I/O port events, \
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save, and restore. Enable these in the configuration.
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#endif
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L4SysExperiment::L4SysExperiment()
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: m_jc("localhost"), log("L4Sys", false)
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{
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@ -37,8 +28,6 @@ void L4SysExperiment::terminate(int reason) {
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simulator.terminate(reason);
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}
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bool L4SysExperiment::run()
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{
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srand(time(NULL));
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73
src/experiments/l4-sys/experiment.conf
Normal file
73
src/experiments/l4-sys/experiment.conf
Normal file
@ -0,0 +1,73 @@
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#experiment specific config
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address_space=0x1fd77000
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# if address_space_trace is not set then we use address_space for tracing
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#address_space_trace=0x0
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func_entry=0x20000216
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func_exit=0x2000029c
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# if filter entry/exit is not set, then (filter_entry=func_entry) and
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# (filter_exit = func_exit)
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filter_entry=0x2000022f
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filter_exit=0x20000252
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#default break_* value is 0
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#break_blink=0xdead
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#break_longjmp=0xdead
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#break_exit=0xdead
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#experiment values calculated during preparation
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numinstr=16
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totinstr=58401
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#default config
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emul_ips=5000000
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max_instr_bytes=15
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#default files
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state_folder=l4sys.state
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instruction_list=ip.list
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golden_run=golden.out
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filter=filter.list
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trace=trace.pb
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@ -140,8 +140,9 @@ private:
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* combination.
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*/
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void doRegisterInjection(int regDesc, int bit);
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int updateConfig(std::string parameter, std::string value);
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void setupFilteredBreakpoint(fail::BPSingleListener* bp, int instOffset, std::string instr_list);
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void parseOptions(L4SysConfig&);
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@ -1,7 +1,6 @@
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#include <iostream>
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#include "experiment.hpp"
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#include "experimentInfo.hpp"
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#include "InstructionFilter.hpp"
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#include "UDIS86.hpp"
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#include "aluinstr.hpp"
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@ -1,56 +0,0 @@
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#ifndef __L4SYS_EXPERIMENT_INFO_HPP__
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#define __L4SYS_EXPERIMENT_INFO_HPP__
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// the maximum number of bytes in a Bochs instruction
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#define MAX_INSTR_BYTES 15
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// the bounds of the program (space, instructions and time)
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// client
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#define L4SYS_ADDRESS_SPACE 0x1fd77000
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// server
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#define L4SYS_ADDRESS_SPACE_TRACE L4SYS_ADDRESS_SPACE
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//#define L4SYS_ADDRESS_SPACE_TRACE 0x1fd4c000
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#define L4SYS_exp_start 0x20000216
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#define L4SYS_exp_end 0x2000029c
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#define L4SYS_inj_start 0x2000022f
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#define L4SYS_inj_end 0x20000252
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// FUNC_{ENTRY,EXIT} specifies the range that needs to
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// be captured to log program output properly
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#define L4SYS_FUNC_ENTRY L4SYS_exp_start
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#define L4SYS_FUNC_EXIT L4SYS_exp_end
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// FILTER_{ENTRY,EXIT} specifies the range that injections
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// should be carried out on (should be a subset of the above)
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// and only works with FILTER_INSTRUCTIONS turned on
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#define L4SYS_FILTER_ENTRY L4SYS_inj_start
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#define L4SYS_FILTER_EXIT L4SYS_inj_end
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#define L4SYS_BREAK_BLINK 0xdead
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#define L4SYS_BREAK_LONGJMP 0xdead
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#define L4SYS_BREAK_EXIT 0xdead
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// select instruction filtering
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// XXX: this should be always on and the code should be
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// reworked to do the non-filtering work with an empty
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// filter list
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#define L4SYS_FILTER_INSTRUCTIONS 1
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// kernel: 2377547, userland: 79405472
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#define L4SYS_NUMINSTR 0x1
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#define L4SYS_TOTINSTR 0x1
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#define L4SYS_BOCHS_IPS 5000000
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// several file names used
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#define L4SYS_STATE_FOLDER "l4sys.state"
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#define L4SYS_INSTRUCTION_LIST "ip.list"
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#define L4SYS_ALU_INSTRUCTIONS "alu.list"
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#define L4SYS_CORRECT_OUTPUT "golden.out"
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#define L4SYS_FILTER "filter.list"
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// flags
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// 0 - preparation complete
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// >0 - next step to execute
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#define PREPARATION_STEP 0
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#endif // __L4SYS_EXPERIMENT_INFO_HPP__
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@ -1,23 +1,102 @@
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#include <iostream>
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#include <list>
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#include <stdlib.h>
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#include "experiment.hpp"
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#include "experimentInfo.hpp"
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#include "util/CommandLine.hpp"
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using namespace std;
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using namespace fail;
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#define EXPERIMENT_CONF "experiment.conf"
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static void parameterMissing(fail::Logger log, string c) {
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log << "Error: Missing config parameter (" << c << ")" << endl;
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simulator.terminate(1);
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}
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int L4SysExperiment::updateConfig(string parameter, string value) {
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bool replaced = false;
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std::list<std::string> buf;
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ifstream is(EXPERIMENT_CONF);
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if (is) {
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while(!is.eof()) {
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string tmp;
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getline(is, tmp);
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if( !tmp.compare(0, parameter.length() + 1, string(parameter + "=")) ) {
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buf.push_back(string(parameter + "=" + value) );
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replaced = true;
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} else {
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buf.push_back(tmp);
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}
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}
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} else {
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cerr << "Open config file failed" << endl;
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return -1;
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}
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is.close();
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ofstream os(EXPERIMENT_CONF);
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if (os) {
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if(!replaced)
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os << parameter << "=" << value << endl;
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while(!buf.empty()) {
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os << buf.front() << endl;
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buf.pop_front();
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}
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} else {
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cerr << "Open config file for update failed" << endl;
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return -1;
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}
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return 0;
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}
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void L4SysExperiment::parseOptions(L4SysConfig &conf) {
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CommandLine &cmd = CommandLine::Inst();
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ifstream fin(EXPERIMENT_CONF);
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//Currently we don't delete the parameterstring to avoid deling ptr in the cmd
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//Nevertheless, we shouldn't need them, so deleting should be safe
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//We interpret the file content as parameters to our main function, so we don't
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//need an own parser. Program parameters appear earlier in the parameter list
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//and will overwrite the parameters from the config file.
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while(fin.good()) {
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string buffer;
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string prefix("--");
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getline(fin, buffer, '\n');
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if( !(strncmp(buffer.c_str(),"#",1) == 0) &&
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!(strncmp(buffer.c_str()," ",1) == 0 ) &&
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!(strncmp(buffer.c_str(),"",1) == 0 ) ) {
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string t(prefix + buffer);
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//Workarround, if we just alloc t.length some of the arguments values
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//disappear
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char *c = (char *) malloc(t.length() * 2);
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strcpy(c, t.c_str());
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cmd.add_args( c );
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}
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}
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cout << "end of config file" << endl;
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cmd.addOption("", "", Arg::None, "USAGE: fail-client -Wf,[option] -Wf,[option] ... <BochsOptions...>");
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CommandLine::option_handle HELP =
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cmd.addOption("h", "help", Arg::None, "-h,--help \tPrint usage and exit");
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CommandLine::option_handle STEP =
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cmd.addOption("s", "step", Arg::Optional, "-s,--step \tSpecify preparation step, without this argumnt fail-client start in experiment mode (cr3: get CR3, cc: Create Checkpoint, it: collect instruction trace, gr: golden run, all: do the whole preparation)");
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CommandLine::option_handle OPT_MAX_INSTR_BYTES =
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cmd.addOption("", "max_instr_bytes", Arg::Optional, "--max_instr_bytes \t define MAX_INSTR_BYTES");
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CommandLine::option_handle OPT_ADDRESS_SPACE =
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@ -38,26 +117,23 @@ void L4SysExperiment::parseOptions(L4SysConfig &conf) {
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cmd.addOption("", "break_longjmp", Arg::Optional, "--break_longjmp \t define L4SYS_BREAK_LONGJMP");
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CommandLine::option_handle OPT_BREAK_EXIT =
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cmd.addOption("", "break_exit", Arg::Optional, "--break_exit \t define L4SYS_BREAK_EXIT");
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CommandLine::option_handle OPT_FILTER_INSTRUCTIONS =
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cmd.addOption("", "filter_instructions", Arg::Optional, "--filter_instructions \t define L4SYS_FILTER_INSTRUCTIONS");
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CommandLine::option_handle OPT_NUMINSTR =
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cmd.addOption("", "numinstr", Arg::Optional, "--numinstr \t define L4SYS_NUMINSTR");
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CommandLine::option_handle OPT_TOTINSTR =
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cmd.addOption("", "totinstr", Arg::Optional, "--totinstr \t define L4SYS_TOTINSTR");
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CommandLine::option_handle OPT_EMUL_IPS =
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cmd.addOption("", "bochs_ips", Arg::Optional, "--bochs_ips \t define L4SYS_BOCHS_IPS");
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cmd.addOption("", "emul_ips", Arg::Optional, "--emul_ips \t define L4SYS_BOCHS_IPS");
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CommandLine::option_handle OPT_STATE_FOLDER =
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cmd.addOption("", "state_folder", Arg::Optional, "--state_folder \t define L4SYS_STATE_FOLDER");
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CommandLine::option_handle OPT_INSTRUCTION_LIST =
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cmd.addOption("", "instruction_list", Arg::Optional, "--instruction_list \t define L4SYS_INSTRUCTION_LIST");
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CommandLine::option_handle OPT_ALU_INSTRUCTIONS =
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cmd.addOption("", "alu_instructions", Arg::Optional, "--alu_instructions \t define L4SYS_ALU_INSTRUCTIONS");
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CommandLine::option_handle OPT_CORRECT_OUTPUT =
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cmd.addOption("", "golden_run", Arg::Optional, "--correct_output \t define L4SYS_CORRECT_OUTPUT");
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CommandLine::option_handle OPT_FILTER =
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cmd.addOption("", "filter", Arg::Optional, "--filter \t define L4SYS_FILTER");
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CommandLine::option_handle OPT_TRACE =
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cmd.addOption("", "trace", Arg::Optional, "--trace \t define outputfile for trace (default trace.pb)");
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if (!cmd.parse()) {
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cerr << "Error parsing arguments." << endl;
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@ -68,123 +144,133 @@ void L4SysExperiment::parseOptions(L4SysConfig &conf) {
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}
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if (cmd[OPT_MAX_INSTR_BYTES]) {
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conf.max_instr_bytes = strtol(cmd[OPT_MAX_INSTR_BYTES].arg, NULL, 16);
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conf.max_instr_bytes = strtol(cmd[OPT_MAX_INSTR_BYTES].arg, NULL, 10);
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log << "max_instr_bytes: "<< dec << conf.max_instr_bytes << endl;
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} else {
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conf.max_instr_bytes = MAX_INSTR_BYTES;
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parameterMissing(log, "max_instr_bytes");
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}
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if (cmd[OPT_ADDRESS_SPACE]) {
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conf.address_space = strtol(cmd[OPT_ADDRESS_SPACE].arg, NULL, 16);
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conf.address_space = strtol(cmd[OPT_ADDRESS_SPACE].arg, NULL, 16);
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log << "address_space: "<< hex << conf.address_space << endl;
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} else {
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conf.address_space = L4SYS_ADDRESS_SPACE;
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parameterMissing(log, "adress_space");
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}
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if (cmd[OPT_ADDRESS_SPACE_TRACE]) {
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conf.address_space_trace = strtol(cmd[OPT_ADDRESS_SPACE_TRACE].arg, NULL, 16);
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conf.address_space_trace = strtol(cmd[OPT_ADDRESS_SPACE_TRACE].arg, NULL, 16);
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if( conf.address_space_trace == 0 )
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conf.address_space_trace = conf.address_space;
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else
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log << "address_space_trace: "<< hex << conf.address_space_trace << endl;
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} else {
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conf.address_space_trace = L4SYS_ADDRESS_SPACE_TRACE;
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conf.address_space_trace = conf.address_space;
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}
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if (cmd[OPT_FUNC_ENTRY]) {
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conf.func_entry = strtol(cmd[OPT_FUNC_ENTRY].arg, NULL, 16);
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} else {
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conf.func_entry = L4SYS_FUNC_ENTRY;
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conf.func_entry = strtol(cmd[OPT_FUNC_ENTRY].arg, NULL, 16);
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log << "func_entry: "<< hex << conf.func_entry << endl;
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} else{
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parameterMissing(log, "filter_entry");
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}
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if (cmd[OPT_FUNC_EXIT]) {
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conf.func_exit = strtol(cmd[OPT_FUNC_EXIT].arg, NULL, 16);
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conf.func_exit = strtol(cmd[OPT_FUNC_EXIT].arg, NULL, 16);
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log << "func_exit: "<< hex << conf.func_exit << endl;
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} else {
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conf.func_exit = L4SYS_FUNC_EXIT;
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parameterMissing(log, "filter_exit");
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}
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if (cmd[OPT_FILTER_ENTRY]) {
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conf.filter_entry = strtol(cmd[OPT_FILTER_ENTRY].arg, NULL, 16);
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conf.filter_entry = strtol(cmd[OPT_FILTER_ENTRY].arg, NULL, 16);
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log << "filter_entry: "<< hex << conf.filter_entry << endl;
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} else {
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conf.filter_entry = L4SYS_FILTER_ENTRY;
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conf.filter_entry = conf.func_entry;
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}
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if (cmd[OPT_FILTER_EXIT]) {
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conf.filter_exit = strtol(cmd[OPT_FILTER_EXIT].arg, NULL, 16);
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conf.filter_exit = strtol(cmd[OPT_FILTER_EXIT].arg, NULL, 16);
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log << "filter_exit: "<< hex << conf.filter_exit << endl;
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} else {
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conf.filter_exit = L4SYS_FILTER_EXIT;
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conf.filter_exit = conf.func_exit;
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}
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if (cmd[OPT_BREAK_BLINK]) {
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conf.break_blink = strtol(cmd[OPT_BREAK_BLINK].arg, NULL, 16);
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conf.break_blink = strtol(cmd[OPT_BREAK_BLINK].arg, NULL, 16);
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log << "break_blink: "<< hex << conf.break_blink << endl;
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} else {
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conf.break_blink = L4SYS_BREAK_BLINK;
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conf.break_blink = 0;
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}
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if (cmd[OPT_BREAK_LONGJMP]) {
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conf.break_longjmp = strtol(cmd[OPT_BREAK_LONGJMP].arg, NULL, 16);
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conf.break_longjmp = strtol(cmd[OPT_BREAK_LONGJMP].arg, NULL, 16);
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log << "break_longjmp: "<< hex << conf.break_longjmp << endl;
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} else {
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conf.break_longjmp = L4SYS_BREAK_LONGJMP;
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conf.break_longjmp = 0;
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}
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if (cmd[OPT_BREAK_EXIT]) {
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conf.break_exit = strtol(cmd[OPT_BREAK_EXIT].arg, NULL, 16);
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conf.break_exit = strtol(cmd[OPT_BREAK_EXIT].arg, NULL, 16);
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log << "break_exit: "<< hex << conf.break_exit << endl;
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} else {
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conf.break_exit = L4SYS_BREAK_EXIT;
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}
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if (cmd[OPT_FILTER_INSTRUCTIONS]) {
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conf.filter_instructions = strtol(cmd[OPT_FILTER_INSTRUCTIONS].arg, NULL, 16);
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} else {
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conf.filter_instructions = L4SYS_FILTER_INSTRUCTIONS;
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conf.break_exit = 0;
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}
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if (cmd[OPT_NUMINSTR]) {
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conf.numinstr = strtol(cmd[OPT_NUMINSTR].arg, NULL, 16);
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conf.numinstr = strtol(cmd[OPT_NUMINSTR].arg, NULL, 10);
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log << "numinstr: "<< dec << conf.numinstr << endl;
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} else {
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conf.numinstr = L4SYS_NUMINSTR;
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parameterMissing(log, "numinstr");
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}
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if (cmd[OPT_TOTINSTR]) {
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conf.totinstr = strtol(cmd[OPT_TOTINSTR].arg, NULL, 16);
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conf.totinstr = strtol(cmd[OPT_TOTINSTR].arg, NULL, 10);
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log << "totinstr: "<< dec << conf.totinstr << endl;
|
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} else {
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conf.totinstr = L4SYS_TOTINSTR;
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parameterMissing(log, "totinstr");
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}
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if (cmd[OPT_EMUL_IPS]) {
|
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conf.emul_ips = strtol(cmd[OPT_EMUL_IPS].arg, NULL, 16);
|
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conf.emul_ips = strtol(cmd[OPT_EMUL_IPS].arg, NULL, 10);
|
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log << "emul_ips = " << dec << conf.emul_ips << endl;
|
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} else {
|
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conf.emul_ips = L4SYS_BOCHS_IPS;
|
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parameterMissing(log, "emul_ips");
|
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}
|
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|
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if (cmd[OPT_STATE_FOLDER]) {
|
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conf.state_folder = std::string(cmd[OPT_STATE_FOLDER].arg);
|
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conf.state_folder = std::string(cmd[OPT_STATE_FOLDER].arg);
|
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log << "state_folder: "<< conf.state_folder << endl;
|
||||
} else {
|
||||
conf.state_folder = L4SYS_STATE_FOLDER;
|
||||
conf.state_folder = "l4sys.state";
|
||||
}
|
||||
|
||||
if (cmd[OPT_INSTRUCTION_LIST]) {
|
||||
conf.instruction_list = std::string(cmd[OPT_INSTRUCTION_LIST].arg);
|
||||
conf.instruction_list = std::string(cmd[OPT_INSTRUCTION_LIST].arg);
|
||||
log << "instruction_list: "<< conf.instruction_list << endl;
|
||||
} else {
|
||||
conf.instruction_list = L4SYS_INSTRUCTION_LIST;
|
||||
}
|
||||
|
||||
if (cmd[OPT_ALU_INSTRUCTIONS]) {
|
||||
conf.alu_instructions = std::string(cmd[OPT_ALU_INSTRUCTIONS].arg);
|
||||
} else {
|
||||
conf.alu_instructions = L4SYS_ALU_INSTRUCTIONS;
|
||||
conf.instruction_list = "ip.list";
|
||||
}
|
||||
|
||||
if (cmd[OPT_CORRECT_OUTPUT]) {
|
||||
conf.golden_run = std::string(cmd[OPT_CORRECT_OUTPUT].arg);
|
||||
conf.golden_run = std::string(cmd[OPT_CORRECT_OUTPUT].arg);
|
||||
log << "golden_run: "<< conf.golden_run << endl;
|
||||
} else {
|
||||
conf.golden_run = L4SYS_CORRECT_OUTPUT;
|
||||
conf.golden_run = "golden.out";
|
||||
}
|
||||
|
||||
if (cmd[OPT_FILTER]) {
|
||||
conf.filter = std::string(cmd[OPT_FILTER].arg);
|
||||
conf.filter = std::string(cmd[OPT_FILTER].arg);
|
||||
log << "filter: "<< conf.filter << endl;
|
||||
} else {
|
||||
conf.filter = L4SYS_FILTER;
|
||||
conf.filter = "filter.list";
|
||||
}
|
||||
|
||||
if (cmd[OPT_TRACE]) {
|
||||
conf.trace = std::string(cmd[OPT_TRACE].arg);
|
||||
conf.trace = std::string(cmd[OPT_TRACE].arg);
|
||||
log << "trace: "<< conf.trace << endl;
|
||||
} else {
|
||||
conf.trace = std::string("trace.pb");
|
||||
conf.trace = "trace.pb";
|
||||
}
|
||||
|
||||
if (cmd[STEP]) {
|
||||
|
||||
@ -1,7 +1,9 @@
|
||||
#include <iostream>
|
||||
#include <string>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
|
||||
#include "experiment.hpp"
|
||||
#include "experimentInfo.hpp"
|
||||
#include "InstructionFilter.hpp"
|
||||
#include "aluinstr.hpp"
|
||||
|
||||
@ -47,7 +49,11 @@ void L4SysExperiment::runToStart(fail::BPSingleListener *bp)
|
||||
conf.address_space_trace = BX_CPU(0)->cr3;
|
||||
}
|
||||
|
||||
conf.address_space = BX_CPU(0)->cr3;
|
||||
conf.address_space = BX_CPU(0)->cr3;
|
||||
|
||||
char tmp[20];
|
||||
sprintf(tmp, "0x%lx", BX_CPU(0)->cr3);
|
||||
updateConfig("address_space", tmp );
|
||||
}
|
||||
|
||||
|
||||
@ -189,6 +195,16 @@ void L4SysExperiment::collectInstructionTrace(fail::BPSingleListener* bp)
|
||||
conf.numinstr = inst_accepted;
|
||||
conf.totinstr = count;
|
||||
|
||||
//Write new values into config file
|
||||
char numimstr_str[20];
|
||||
|
||||
sprintf(numimstr_str, "%li", inst_accepted);
|
||||
updateConfig("numinstr", numimstr_str );
|
||||
|
||||
char totinstr_str[20];
|
||||
sprintf(totinstr_str, "%li", count);
|
||||
updateConfig("totinstr", totinstr_str);
|
||||
|
||||
delete bp;
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user