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| author | Fabrice Desclaux <fabrice.desclaux@cea.fr> | 2020-08-22 12:47:01 +0200 |
|---|---|---|
| committer | Fabrice Desclaux <fabrice.desclaux@cea.fr> | 2020-08-31 07:50:01 +0200 |
| commit | 80e40a3d2ca735db955807ad0605b43ca22e4e35 (patch) | |
| tree | 4d41d7b53565f833444d3520eb22eed3e8bf26f1 /example/expression | |
| parent | 5d8beb271d9890241a6d61dd476fab26ca37ebbf (diff) | |
| download | miasm-80e40a3d2ca735db955807ad0605b43ca22e4e35.tar.gz miasm-80e40a3d2ca735db955807ad0605b43ca22e4e35.zip | |
Avoid generate default locationdb
Diffstat (limited to 'example/expression')
| -rw-r--r-- | example/expression/access_c.py | 9 | ||||
| -rw-r--r-- | example/expression/asm_to_ir.py | 9 | ||||
| -rw-r--r-- | example/expression/constant_propagation.py | 7 | ||||
| -rw-r--r-- | example/expression/export_llvm.py | 9 | ||||
| -rw-r--r-- | example/expression/graph_dataflow.py | 9 | ||||
| -rw-r--r-- | example/expression/solve_condition_stp.py | 13 |
6 files changed, 36 insertions, 20 deletions
diff --git a/example/expression/access_c.py b/example/expression/access_c.py index c604a0bd..3cc8e6a2 100644 --- a/example/expression/access_c.py +++ b/example/expression/access_c.py @@ -55,6 +55,8 @@ from miasm.arch.x86.ctype import CTypeAMD64_unk from miasm.core.objc import ExprToAccessC, CHandler from miasm.core.objc import CTypesManagerNotPacked from miasm.core.ctypesmngr import CAstTypes, CTypePtr, CTypeStruct +from miasm.core.locationdb import LocationDB + def find_call(ircfg): """Returns (irb, index) which call""" @@ -116,6 +118,7 @@ class MyCHandler(CHandler): +loc_db = LocationDB() data = open(sys.argv[1], 'rb').read() # Digest C information text = """ @@ -143,12 +146,12 @@ cont = Container.fallback_container(data, None, addr=0) machine = Machine("x86_64") dis_engine, ira = machine.dis_engine, machine.ira -mdis = dis_engine(cont.bin_stream, loc_db=cont.loc_db) +mdis = dis_engine(cont.bin_stream, loc_db=loc_db) addr_head = 0 asmcfg = mdis.dis_multiblock(addr_head) -lbl_head = mdis.loc_db.get_offset_location(addr_head) +lbl_head = loc_db.get_offset_location(addr_head) -ir_arch_a = ira(mdis.loc_db) +ir_arch_a = ira(loc_db) ircfg = ir_arch_a.new_ircfg_from_asmcfg(asmcfg) open('graph_irflow.dot', 'w').write(ircfg.dot()) diff --git a/example/expression/asm_to_ir.py b/example/expression/asm_to_ir.py index 83eac728..edc23437 100644 --- a/example/expression/asm_to_ir.py +++ b/example/expression/asm_to_ir.py @@ -9,10 +9,13 @@ from miasm.expression.expression import * from miasm.core import asmblock from miasm.arch.x86.ira import ir_a_x86_32 from miasm.analysis.data_flow import DeadRemoval +from miasm.core.locationdb import LocationDB # First, asm code -asmcfg, loc_db = parse_asm.parse_txt(mn_x86, 32, ''' +loc_db = LocationDB() +asmcfg = parse_asm.parse_txt( + mn_x86, 32, ''' main: MOV EAX, 1 MOV EBX, 2 @@ -25,7 +28,9 @@ loop: ADD EAX, ECX JZ loop RET -''') +''', + loc_db +) loc_db.set_location_offset(loc_db.get_name_location("main"), 0x0) diff --git a/example/expression/constant_propagation.py b/example/expression/constant_propagation.py index 36a548c5..a5929eed 100644 --- a/example/expression/constant_propagation.py +++ b/example/expression/constant_propagation.py @@ -12,6 +12,8 @@ from miasm.analysis.cst_propag import propagate_cst_expr from miasm.analysis.data_flow import DeadRemoval, \ merge_blocks, remove_empty_assignblks from miasm.expression.simplifications import expr_simp +from miasm.core.locationdb import LocationDB + parser = ArgumentParser("Constant expression propagation") @@ -25,8 +27,9 @@ args = parser.parse_args() machine = Machine("x86_32") -cont = Container.from_stream(open(args.filename, 'rb')) -mdis = machine.dis_engine(cont.bin_stream, loc_db=cont.loc_db) +loc_db = LocationDB() +cont = Container.from_stream(open(args.filename, 'rb'), loc_db) +mdis = machine.dis_engine(cont.bin_stream, loc_db=loc_db) ir_arch = machine.ira(mdis.loc_db) addr = int(args.address, 0) deadrm = DeadRemoval(ir_arch) diff --git a/example/expression/export_llvm.py b/example/expression/export_llvm.py index 241a907d..a4c65787 100644 --- a/example/expression/export_llvm.py +++ b/example/expression/export_llvm.py @@ -6,18 +6,19 @@ from miasm.analysis.machine import Machine from miasm.jitter.llvmconvert import LLVMType, LLVMContext_IRCompilation, LLVMFunction_IRCompilation from llvmlite import ir as llvm_ir from miasm.expression.simplifications import expr_simp_high_to_explicit +from miasm.core.locationdb import LocationDB parser = ArgumentParser("LLVM export example") parser.add_argument("target", help="Target binary") parser.add_argument("addr", help="Target address") parser.add_argument("--architecture", "-a", help="Force architecture") args = parser.parse_args() - +loc_db = LocationDB() # This part focus on obtaining an IRCFG to transform # -cont = Container.from_stream(open(args.target, 'rb')) +cont = Container.from_stream(open(args.target, 'rb'), loc_db) machine = Machine(args.architecture if args.architecture else cont.arch) -ir = machine.ir(cont.loc_db) -dis = machine.dis_engine(cont.bin_stream, loc_db=cont.loc_db) +ir = machine.ir(loc_db) +dis = machine.dis_engine(cont.bin_stream, loc_db=loc_db) asmcfg = dis.dis_multiblock(int(args.addr, 0)) ircfg = ir.new_ircfg_from_asmcfg(asmcfg) ircfg.simplify(expr_simp_high_to_explicit) diff --git a/example/expression/graph_dataflow.py b/example/expression/graph_dataflow.py index e7386e9e..4b428df7 100644 --- a/example/expression/graph_dataflow.py +++ b/example/expression/graph_dataflow.py @@ -10,6 +10,7 @@ from miasm.analysis.data_analysis import intra_block_flow_raw, inter_block_flow from miasm.core.graph import DiGraph from miasm.ir.symbexec import SymbolicExecutionEngine from miasm.analysis.data_flow import DeadRemoval +from miasm.core.locationdb import LocationDB parser = ArgumentParser("Simple expression use for generating dataflow graph") @@ -126,19 +127,19 @@ def gen_block_data_flow_graph(ir_arch, ircfg, ad, block_flow_cb): ad = int(args.addr, 16) - +loc_db = LocationDB() print('disasm...') -cont = Container.from_stream(open(args.filename, 'rb')) +cont = Container.from_stream(open(args.filename, 'rb'), loc_db) machine = Machine("x86_32") -mdis = machine.dis_engine(cont.bin_stream, loc_db=cont.loc_db) +mdis = machine.dis_engine(cont.bin_stream, loc_db=loc_db) mdis.follow_call = True asmcfg = mdis.dis_multiblock(ad) print('ok') print('generating dataflow graph for:') -ir_arch_analysis = machine.ira(mdis.loc_db) +ir_arch_analysis = machine.ira(loc_db) ircfg = ir_arch_analysis.new_ircfg_from_asmcfg(asmcfg) deadrm = DeadRemoval(ir_arch_analysis) diff --git a/example/expression/solve_condition_stp.py b/example/expression/solve_condition_stp.py index 2c654b77..3743bfad 100644 --- a/example/expression/solve_condition_stp.py +++ b/example/expression/solve_condition_stp.py @@ -15,6 +15,7 @@ from miasm.ir.symbexec import SymbolicExecutionEngine, get_block from miasm.expression.simplifications import expr_simp from miasm.core import parse_asm from miasm.ir.translators.translator import Translator +from miasm.core.locationdb import LocationDB machine = Machine("x86_32") @@ -79,24 +80,26 @@ def emul_symb(ir_arch, ircfg, mdis, states_todo, states_done): if __name__ == '__main__': - + loc_db = LocationDB() translator_smt2 = Translator.to_language("smt2") addr = int(options.address, 16) - cont = Container.from_stream(open(args[0], 'rb')) - mdis = machine.dis_engine(cont.bin_stream, loc_db=cont.loc_db) + cont = Container.from_stream(open(args[0], 'rb'), loc_db) + mdis = machine.dis_engine(cont.bin_stream, loc_db=loc_db) ir_arch = machine.ir(mdis.loc_db) ircfg = ir_arch.new_ircfg() symbexec = SymbolicExecutionEngine(ir_arch) - asmcfg, loc_db = parse_asm.parse_txt(machine.mn, 32, ''' + asmcfg = parse_asm.parse_txt( + machine.mn, 32, ''' init: PUSH argv PUSH argc PUSH ret_addr ''', - loc_db=mdis.loc_db) + loc_db + ) argc_lbl = loc_db.get_name_location('argc') |