emu_source.c File Reference

#include <string.h>
#include "emu/emu.h"
#include "emu/emu_cpu.h"
#include "emu/emu_cpu_data.h"
#include "emu/emu_instruction.h"
#include "emu/emu_track.h"
#include "emu/emu_source.h"
#include "emu/emu_hashtable.h"
#include "emu/emu_graph.h"
#include "emu/emu_queue.h"

Include dependency graph for emu_source.c:

Functions
uint32_t	emu_source_instruction_graph_create (struct emu *e, struct emu_track_and_source *es, uint32_t datastart, uint32_t datasize)
void	emu_source_backward_bfs (struct emu_track_and_source *et, struct emu_vertex *ev)
void	emu_source_forward_bfs (struct emu_track_and_source *et, struct emu_vertex *ev)

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Function Documentation

void emu_source_backward_bfs	(	struct emu_track_and_source *	et,
		struct emu_vertex *	ev
	)

References emu_vertex::backedges, black, emu_vertex::color, emu_edge::destination, emu_queue_dequeue(), emu_queue_empty(), emu_queue_enqueue(), emu_queue_free(), emu_queue_new(), green, grey, red, emu_track_and_source::static_instr_graph, emu_graph::vertexes, and white.

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void emu_source_forward_bfs	(	struct emu_track_and_source *	et,
		struct emu_vertex *	ev
	)

References black, emu_vertex::color, emu_edge::destination, emu_vertex::edges, emu_queue_dequeue(), emu_queue_empty(), emu_queue_enqueue(), emu_queue_free(), emu_queue_new(), grey, red, emu_track_and_source::static_instr_graph, emu_graph::vertexes, white, and yellow.

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uint32_t emu_source_instruction_graph_create	(	struct emu *	e,
		struct emu_track_and_source *	es,
		uint32_t	datastart,
		uint32_t	datasize
	)

Create the callgraph of the shellcode being stored in the emu memory.

Parameters:

	e	the emu
	es	the emu_source_and_track struct which stores the graph
	datastart	where to start
	datasize	where to stop

Returns:

References emu_source_and_track_instr_info::cond_pos, emu_vertex::data, emu_cpu_eip_set(), emu_cpu_get(), emu_cpu_parse(), emu_cpu_step(), emu_graph_new(), emu_graph_vertex_add(), emu_hashtable_insert(), emu_hashtable_new(), emu_hashtable_ptr_cmp(), emu_hashtable_ptr_hash(), emu_hashtable_search(), emu_source_and_track_instr_info_free_void(), emu_source_and_track_instr_info_new(), emu_vertex_edge_add(), emu_vertex_new(), emu_source_and_track_instr_info::has_cond_pos, emu_source_and_track_instr_info::norm_pos, emu_source_and_track_instr_info::source, emu_track_and_source::static_instr_graph, emu_track_and_source::static_instr_table, emu_hashtable_item::value, emu_graph::vertex_destructor, and emu_graph::vertexes.

Referenced by emu_shellcode_test().

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