コード例 #1
0
    def __init__(self, ir_arch, jit_type="tcc"):
        """Init an instance of jitter.
        @ir_arch: ir instance for this architecture
        @jit_type: JiT backend to use. Available options are:
            - "tcc"
            - "llvm"
            - "python"
        """

        self.arch = ir_arch.arch
        self.attrib = ir_arch.attrib
        arch_name = ir_arch.arch.name  # (ir_arch.arch.name, ir_arch.attrib)
        if arch_name == "x86":
            from miasm2.jitter.arch import JitCore_x86 as jcore
        elif arch_name == "arm":
            from miasm2.jitter.arch import JitCore_arm as jcore
        elif arch_name == "aarch64":
            from miasm2.jitter.arch import JitCore_aarch64 as jcore
        elif arch_name == "msp430":
            from miasm2.jitter.arch import JitCore_msp430 as jcore
        elif arch_name == "mips32":
            from miasm2.jitter.arch import JitCore_mips32 as jcore
        else:
            raise ValueError("unsupported jit arch!")

        self.vm = VmMngr.Vm()
        self.cpu = jcore.JitCpu()

        self.bs = bin_stream_vm(self.vm)
        self.ir_arch = ir_arch
        init_arch_C(self.arch)

        if jit_type == "tcc":
            self.jit = JitCore_Tcc(self.ir_arch, self.bs)
        elif jit_type == "llvm":
            self.jit = JitCore_LLVM(self.ir_arch, self.bs)
        elif jit_type == "python":
            self.jit = JitCore_Python(self.ir_arch, self.bs)
        else:
            raise Exception("Unkown JiT Backend")

        self.cpu.init_regs()
        self.vm.init_memory_page_pool()
        self.vm.init_code_bloc_pool()
        self.vm.init_memory_breakpoint()

        self.vm.set_addr2obj(self.jit.addr2obj)

        self.jit.load()
        self.cpu.vmmngr = self.vm
        self.cpu.jitter = self.jit
        self.stack_size = 0x10000
        self.stack_base = 0x1230000


        # Init callback handler
        self.breakpoints_handler = CallbackHandler()
        self.exceptions_handler = CallbackHandlerBitflag()
        self.init_exceptions_handler()
        self.exec_cb = None
コード例 #2
0
ファイル: jitload.py プロジェクト: zhencang/miasm
    def __init__(self, ir_arch, jit_type="gcc"):
        """Init an instance of jitter.
        @ir_arch: ir instance for this architecture
        @jit_type: JiT backend to use. Available options are:
            - "gcc"
            - "tcc"
            - "llvm"
            - "python"
        """

        self.arch = ir_arch.arch
        self.attrib = ir_arch.attrib
        arch_name = ir_arch.arch.name  # (ir_arch.arch.name, ir_arch.attrib)

        try:
            if arch_name == "x86":
                from miasm2.jitter.arch import JitCore_x86 as jcore
            elif arch_name == "arm":
                from miasm2.jitter.arch import JitCore_arm as jcore
            elif arch_name == "aarch64":
                from miasm2.jitter.arch import JitCore_aarch64 as jcore
            elif arch_name == "msp430":
                from miasm2.jitter.arch import JitCore_msp430 as jcore
            elif arch_name == "mips32":
                from miasm2.jitter.arch import JitCore_mips32 as jcore
            else:
                raise ValueError("unknown jit arch: %s" % arch_name)
        except ImportError:
            raise RuntimeError('Unsupported jit arch: %s' % arch_name)

        self.vm = VmMngr.Vm()
        self.cpu = jcore.JitCpu()
        self.ir_arch = ir_arch
        self.bs = bin_stream_vm(self.vm)

        self.symbexec = EmulatedSymbExec(self.cpu, self.vm, self.ir_arch, {})
        self.symbexec.reset_regs()

        try:
            if jit_type == "tcc":
                from miasm2.jitter.jitcore_tcc import JitCore_Tcc as JitCore
            elif jit_type == "llvm":
                from miasm2.jitter.jitcore_llvm import JitCore_LLVM as JitCore
            elif jit_type == "python":
                from miasm2.jitter.jitcore_python import JitCore_Python as JitCore
            elif jit_type == "gcc":
                from miasm2.jitter.jitcore_gcc import JitCore_Gcc as JitCore
            else:
                raise ValueError("Unknown jitter %s" % jit_type)
        except ImportError:
            raise RuntimeError('Unsupported jitter: %s' % jit_type)

        self.jit = JitCore(self.ir_arch, self.bs)
        if isinstance(self.jit, JitCore_Cc_Base):
            self.jit.init_codegen(self.C_Gen(self.ir_arch))
        elif jit_type == "python":
            self.jit.set_cpu_vm(self.cpu, self.vm)

        self.cpu.init_regs()
        self.vm.init_memory_page_pool()
        self.vm.init_code_bloc_pool()
        self.vm.init_memory_breakpoint()

        self.jit.load()
        self.cpu.vmmngr = self.vm
        self.cpu.jitter = self.jit
        self.stack_size = 0x10000
        self.stack_base = 0x1230000

        # Init callback handler
        self.breakpoints_handler = CallbackHandler()
        self.exceptions_handler = CallbackHandlerBitflag()
        self.init_exceptions_handler()
        self.exec_cb = None