Method render_assembly

qiling/debugger/qdb/render/render.py:149–183

Helper function for rendering assembly.

(self, listing: Sequence[InsnLike], pc: int, prediction: Prophecy)

            print(f'SP + {offset:#04x} │ {address:#010x} : {value_str}{f" {RARROW} {deref_str}" if deref_str else ""}')

    def render_assembly(self, listing: Sequence[InsnLike], pc: int, prediction: Prophecy) -> None:
        """Helper function for rendering assembly.
        """

        def __render_asm_line(insn: InsnLike) -> str:
            """Helper function for rendering assembly instructions, indicates where we are and
            the branch prediction provided by branch predictor
            """

            trace_line = f"{insn.address:#010x} │ {insn.bytes.hex():18s} {insn.mnemonic:12} {insn.op_str:35s}"

            cursor = ''  # current instruction cursor
            brmark = ''  # branching mark

            if insn.address == pc:
                cursor = CURSOR

                if prediction.going:
                    # branch target might be None in case it should have been
                    # read from memory but that memory could not be reached
                    bmark = '?' if prediction.where is None else (GOING_DN if prediction.where > pc else GOING_UP)

                    # apply some colors
                    brmark = f'{color.RED}{bmark}{color.RESET}'

                # <DEBUG>
                where = '?' if prediction.where is None else f'{prediction.where:#010x}'

                print(f'prediction: {f"taken, {where}" if prediction.going else "not taken"}')
                # </DEBUG>

            return f"{brmark:1s}  {cursor:1s}   {color.DARKGRAY}{trace_line}{color.RESET}"

        for insn in listing:
            print(__render_asm_line(insn))


class ContextRender(Context, Render):