forked from rose-compiler/rose-develop
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathbinaryFunctionCfg.C
More file actions
60 lines (52 loc) · 2.21 KB
/
binaryFunctionCfg.C
File metadata and controls
60 lines (52 loc) · 2.21 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
//! [prologue]
#include <rose.h>
#include <Diagnostics.h>
#include <Partitioner2/Engine.h>
#include <Partitioner2/GraphViz.h>
#include <Sawyer/CommandLine.h>
static const char* purpose = "obtains a function control flow graph from a binary specimen";
static const char* description =
"This tool disassembles the specified file and generates prints a control flow "
"graph to standard output for each function. It is intended as a demo of how to "
"obtain a function CFG; there are better ways to print graphs.";
using namespace Rose::Diagnostics;
using namespace Rose::BinaryAnalysis;
//! [prologue]
int
main(int argc, char *argv[]) {
//! [setup]
ROSE_INITIALIZE; // see Rose::initialize
Partitioner2::Engine engine;
std::vector<std::string> specimen = engine.parseCommandLine(argc, argv, purpose, description).unreachedArgs();
if (specimen.empty()) {
mlog[FATAL] <<"no binary specimen specified; see --help\n";
exit(1);
}
//! [setup]
//! [partition]
Partitioner2::Partitioner partitioner = engine.partition(specimen);
//! [partition]
//! [function cfg]
BOOST_FOREACH (const Partitioner2::Function::Ptr &function, partitioner.functions()) {
// global control flow graph
Partitioner2::ControlFlowGraph cfg = partitioner.cfg();
// Erase all vertices that don't belong to the function of interest, and their incident edges
Partitioner2::ControlFlowGraph::VertexIterator vi = cfg.vertices().begin();
while (vi != cfg.vertices().end()) {
if (!vi->value().isOwningFunction(function)) {
cfg.eraseVertex(vi++);
} else {
++vi;
}
}
// Print the results
std::cout <<"CFG for " <<function->printableName() <<"\n"
<<" Vertices:\n";
BOOST_FOREACH (const Partitioner2::ControlFlowGraph::Vertex &v, cfg.vertices())
std::cout <<" " <<partitioner.vertexName(v) <<"\n";
std::cout <<" Edges:\n";
BOOST_FOREACH (const Partitioner2::ControlFlowGraph::Edge &e, cfg.edges())
std::cout <<" " <<partitioner.edgeName(e) <<"\n";
}
//! [function cfg]
}