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dbalatoni13
fa8f3adb44
* Subclass MWCCCompiler and add CompilerType instead of seperate bools * Set the platform per platform specific compiler subclasses instead of per instance
69 lines
1.8 KiB
Python
69 lines
1.8 KiB
Python
import contextlib
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import io
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import logging
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from m2c.main import parse_flags, run
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from coreapp.compilers import Compiler, CompilerType
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from coreapp.sandbox import Sandbox
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logger = logging.getLogger(__name__)
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class M2CError(Exception):
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pass
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class M2CWrapper:
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@staticmethod
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def get_triple(compiler: Compiler, arch: str) -> str:
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if "mipse" in arch:
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t_arch = "mipsel"
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elif "mips" in arch:
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t_arch = "mips"
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elif "ppc" in arch:
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t_arch = "ppc"
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else:
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raise M2CError(f"Unsupported arch '{arch}'")
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if compiler.type != CompilerType.OTHER:
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t_compiler = compiler.type.value
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else:
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raise M2CError(f"Unsupported compiler '{compiler}'")
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return f"{t_arch}-{t_compiler}"
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@staticmethod
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def decompile(asm: str, context: str, compiler: Compiler, arch: str) -> str:
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with Sandbox() as sandbox:
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flags = ["--stop-on-error", "--pointer-style=left"]
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flags.append(f"--target={M2CWrapper.get_triple(compiler, arch)}")
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# Create temp asm file
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asm_path = sandbox.path / "asm.s"
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asm_path.write_text(asm)
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if context:
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# Create temp context file
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ctx_path = sandbox.path / "ctx.c"
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ctx_path.write_text(context)
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flags.append("--context")
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flags.append(str(ctx_path))
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flags.append(str(asm_path))
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options = parse_flags(flags)
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out_string = io.StringIO()
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with contextlib.redirect_stdout(out_string):
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returncode = run(options)
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out_text = out_string.getvalue()
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if returncode == 0:
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return out_text
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else:
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raise M2CError(out_text)
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