Enable generation of inter-procedual control flow graph.

[Rot127]

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Detailed description

Requires: rizinorg/rizin-testbins#134

Adds the ability to generate a inter-procedual control flow graph.

One thing to discuss before merge:

The graph uses RzGraphNodeInfo instead of a simple RzGraphNode. This wastes space (at least the two char * members) because iCFGs will get enormous.

But if the graph is supposed to be returned by rz_core_graph it is basically forced to use it. Using only the node prevents printing it. Which would only be annoying for testing.

Test plan

Test added

Closing issues

None

[wargio]

@Rot127 is missing the changes on the YAML file.

[XVilka]

Regarding this:

The graph uses RzGraphNodeInfo instead of a simple RzGraphNode. This wastes space (at least the two char * members) because iCFGs will get enormous.

But if the graph is supposed to be returned by rz_core_graph it is basically forced to use it. Using only the node prevents printing it. Which would only be annoying for testing.

Our graph API is in very poor shape, to be honest. We should have better graph data structures, just plain graphs and "enriched" with metainformation that is ready for printing: #992 (see also #397)