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tuxology/Makefile

Created May 17, 2013
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Tracepoint to get integer values from mutatee + modifications for x86_64 libs
#define TRACEPOINT_DEFINE
#define TRACEPOINT_CREATE_PROBES
#include "ust_test.h"
void tptest(void)
{
tracepoint(ust_test, tptest);
}
void tpint(int a){
tracepoint(ust_test, int_1, a);
}
all: dyntp.so mutator mutatee
dyntp.so: dyntp.o
gcc -shared -fPIC -DPIC $^ -ldl -llttng-ust -O0 -o $@
dyntp.o: dyntp.c ust_test.h
gcc -I. -fno-strict-aliasing -Wall -g -O0 -c $< -fPIC -DPIC -o $@
mutator: mutator.o
g++ $^ -L/usr/lib64/dyninst -ldyninstAPI -o $@
mutatee: mutatee.o
gcc $^ -std=gnu99 -lrt -O0 -o $@
mutatee.o: mutatee.c
gcc $< -std=gnu99 -c -O0 -o $@
.PHONY: clean
clean:
rm -f *.o *.so mutator mutatee
#include <stdio.h>
int a=42;
void foo() {
printf("I am foo()\n");
return;
}
void bar() {
printf("I am bar()\n");
return;
}
int main()
{
printf("Hello World!\n");
foo();
bar();
return 0;
}
#include <dyninst/BPatch.h>
#include <dyninst/BPatch_point.h>
#include <dyninst/BPatch_function.h>
#include <vector>
int main (int argc, const char* argv[]) {
BPatch bpatch;
BPatch_process *proc = bpatch.processCreate(argv[2], argv + 3);
//bpatch.setTrampRecursive(true);
//bpatch.setSaveFPR(false);
//bpatch.setInstrStackFrames(false);
//BPatch_process *proc = bpatch.processAttach(argv[1], atoi(argv[2]));
BPatch_object *ipa = proc->loadLibrary(argv[1]);
BPatch_image *image = proc->getImage();
std::vector<BPatch_function *> foo_fns, ipa_fns, ipb_fns, bar_fns;
image->findFunction("foo", foo_fns);
image->findFunction("bar", bar_fns);
image->findFunction("tptest", ipa_fns);
image->findFunction("tpint", ipb_fns);
//get var from the mutator
BPatch_variableExpr *a;
a=image->findVariable("a");
std::vector<BPatch_snippet*> args;
BPatch_funcCallExpr call_ipa(*ipa_fns[0], args);
proc->insertSnippet(call_ipa, (foo_fns[0]->findPoint(BPatch_entry))[0]);
std::vector<BPatch_snippet*> tpintArgs;
BPatch_snippet *var = a;
tpintArgs.push_back(var);
BPatch_funcCallExpr call_ipb(*ipb_fns[0], tpintArgs);
proc->insertSnippet(call_ipb, (bar_fns[0]->findPoint(BPatch_entry))[0]);
proc->continueExecution();
while (!proc->isTerminated()) {
bpatch.waitForStatusChange();
}
return 0;
}
#!/bin/bash
lttng create; lttng enable-event -a -u; lttng start
DYNINSTAPI_RT_LIB=/usr/lib64/dyninst/libdyninstAPI_RT.so ./mutator ./dyntp.so ./mutatee
lttng stop
sleep 1
lttng view
#undef TRACEPOINT_PROVIDER
#define TRACEPOINT_PROVIDER ust_test
#if !defined(_TRACEPOINT_UST_TEST_H) || defined(TRACEPOINT_HEADER_MULTI_READ)
#define _TRACEPOINT_UST_TEST_H
#ifdef __cplusplus
extern "C" {
#endif
#include <lttng/tracepoint.h>
TRACEPOINT_EVENT(ust_test, tptest,
TP_ARGS(),
TP_FIELDS()
)
TRACEPOINT_EVENT(
ust_test,
int_1,
TP_ARGS(double, int_1),
TP_FIELDS(ctf_float(double, integer_val, int_1))
)
#endif /* _TRACEPOINT_UST_TEST_H */
#undef TRACEPOINT_INCLUDE
#define TRACEPOINT_INCLUDE "./ust_test.h"
/* This part must be outside ifdef protection */
#include <lttng/tracepoint-event.h>
#ifdef __cplusplus
}
#endif
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