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| author | Fabrice Desclaux <fabrice.desclaux@cea.fr> | 2017-10-03 17:20:38 +0200 |
|---|---|---|
| committer | Fabrice Desclaux <fabrice.desclaux@cea.fr> | 2018-03-15 14:46:36 +0100 |
| commit | 1b534d9ad543473f12ddcb631e0cddb0cbd54ff4 (patch) | |
| tree | 5d5248ceb9358a1f497f4830e821e50afb340dba /example/ida | |
| parent | edabfcda0fa8c0dd8ab3017853b375b1ee24b754 (diff) | |
| download | miasm-1b534d9ad543473f12ddcb631e0cddb0cbd54ff4.tar.gz miasm-1b534d9ad543473f12ddcb631e0cddb0cbd54ff4.zip | |
Symbexec: use hashtable for mem symbols
Diffstat (limited to 'example/ida')
| -rw-r--r-- | example/ida/ctype_propagation.py | 8 | ||||
| -rw-r--r-- | example/ida/symbol_exec.py | 14 |
2 files changed, 7 insertions, 15 deletions
diff --git a/example/ida/ctype_propagation.py b/example/ida/ctype_propagation.py index 54b23516..b2c7d5ab 100644 --- a/example/ida/ctype_propagation.py +++ b/example/ida/ctype_propagation.py @@ -106,7 +106,7 @@ class SymbExecCTypeFix(SymbExecCType): self.cst_propag_link = cst_propag_link - def emulbloc(self, irb, step=False): + def eval_updt_irblock(self, irb, step=False): """ Symbolic execution of the @irb on the current state @irb: irblock instance @@ -142,7 +142,7 @@ class SymbExecCTypeFix(SymbExecCType): offset2cmt.setdefault(instr.offset, set()).add( "\n%s: %s\n%s" % (expr, c_str, c_type)) - self.eval_ir(assignblk) + self.eval_updt_assignblk(assignblk) for offset, value in offset2cmt.iteritems(): idc.MakeComm(offset, '\n'.join(value)) print "%x\n" % offset, '\n'.join(value) @@ -260,7 +260,7 @@ def analyse_function(): continue symbexec_engine = TypePropagationEngine(ir_arch, types_mngr, state) - addr = symbexec_engine.emul_ir_block(lbl) + addr = symbexec_engine.run_block_at(lbl) symbexec_engine.del_mem_above_stack(ir_arch.sp) ir_arch._graph = None @@ -273,7 +273,7 @@ def analyse_function(): if lbl not in ir_arch.blocks: continue symbexec_engine = CTypeEngineFixer(ir_arch, types_mngr, state, cst_propag_link) - addr = symbexec_engine.emul_ir_block(lbl) + addr = symbexec_engine.run_block_at(lbl) symbexec_engine.del_mem_above_stack(ir_arch.sp) diff --git a/example/ida/symbol_exec.py b/example/ida/symbol_exec.py index b65b97a1..f019f77d 100644 --- a/example/ida/symbol_exec.py +++ b/example/ida/symbol_exec.py @@ -133,19 +133,11 @@ def symbolic_exec(): print "Run symbolic execution..." sb = SymbolicExecutionEngine(ira, machine.mn.regs.regs_init) - sb.emul_ir_blocks(start) - + sb.run_at(start) modified = {} - for ident in sb.symbols.symbols_id: - if ident in sb.ir_arch.arch.regs.regs_init and \ - ident in sb.symbols.symbols_id and \ - sb.symbols.symbols_id[ident] == sb.ir_arch.arch.regs.regs_init[ident]: - continue - modified[ident] = sb.symbols.symbols_id[ident] - - for ident in sb.symbols.symbols_mem: - modified[sb.symbols.symbols_mem[ident][0]] = sb.symbols.symbols_mem[ident][1] + for dst, src in sb.modified(init_state=machine.mn.regs.regs_init): + modified[dst] = src view = symbolicexec_t() all_views.append(view) |