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tools/check: Avoid recreating capstone instances all the time

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Léo Lam 2020-11-01 17:01:09 +01:00
parent 41cd5cceea
commit c6ff7af2b0
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GPG Key ID: 0DF30F9081000741
1 changed files with 3 additions and 2 deletions
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tools/check.py
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@ -18,6 +18,9 @@ my_symtab = my_elf.get_section_by_name(".symtab")
if not my_symtab: if not my_symtab:
utils.fail(f'{config["myimg"]} has no symbol table') utils.fail(f'{config["myimg"]} has no symbol table')
md = cs.Cs(cs.CS_ARCH_ARM64, cs.CS_MODE_ARM)
md.detail = True
def get_file_offset(elf, addr: int) -> int: def get_file_offset(elf, addr: int) -> int:
for seg in elf.iter_segments(): for seg in elf.iter_segments():
@ -48,8 +51,6 @@ def get_fn_from_my_elf(name: str, size: int) -> bytes:
def check_function_ex(addr: int, size: int, base_fn: bytes, my_fn: bytes) -> bool: def check_function_ex(addr: int, size: int, base_fn: bytes, my_fn: bytes) -> bool:
md = cs.Cs(cs.CS_ARCH_ARM64, cs.CS_MODE_ARM)
md.detail = True
adrp_pair_registers: Set[int] = set() adrp_pair_registers: Set[int] = set()
for i1, i2 in zip(md.disasm(base_fn, addr), md.disasm(my_fn, addr)): for i1, i2 in zip(md.disasm(base_fn, addr), md.disasm(my_fn, addr)):