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Add GDB pretty printers for evmc_address, evmc_bytes32, evmc_bytes
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source -v gdb_pretty_printers.py |
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import gdb | ||
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class EvmcBytesPrinter: | ||
def __init__(self, val): | ||
self.val = val | ||
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def to_string(self): | ||
start = self.val['bytes'] | ||
bytes_int = [int(start[i]) for i in range(start.type.range()[1] + 1)] | ||
return "0x" + (''.join(f'{byte:02x}' for byte in bytes_int)) | ||
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class StdBasicStringUint8Printer: | ||
def __init__(self, val): | ||
self.val = val | ||
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def to_string(self): | ||
start = self.val['_M_dataplus']['_M_p'] | ||
length = self.val['_M_string_length'] | ||
content = [int(start[i]) for i in range(length)] | ||
return '{%s}' % (', '.join(hex(byte) for byte in content)) | ||
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def register_printers(obj): | ||
if obj == None: | ||
obj = gdb | ||
obj.pretty_printers.insert(0, lookup_function) | ||
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def lookup_function(val): | ||
type_str = str(val.type.strip_typedefs()) | ||
# print("lookup " + type_str) # uncomment to see exact type requested | ||
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address_target_types = [ | ||
"evmc::address", | ||
"const evmc::address", | ||
"evmc_address", | ||
"const evmc_address", | ||
"evmc::bytes32", | ||
"const evmc::bytes32", | ||
"evmc_bytes32", | ||
"const evmc_bytes32", | ||
] | ||
if type_str in address_target_types: | ||
return EvmcBytesPrinter(val) | ||
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# In CLion these are automatically overwritten by std::* pretty printers. | ||
# Reload this script manually (`source -v ../../gdb_pretty_printers.py`) to activate them again. | ||
bytes_target_types = [ | ||
"std::__cxx11::basic_string<unsigned char, evmc::byte_traits<unsigned char>, std::allocator<unsigned char> >", | ||
"const std::__cxx11::basic_string<unsigned char, evmc::byte_traits<unsigned char>, std::allocator<unsigned char> >", | ||
] | ||
if type_str in bytes_target_types: | ||
return StdBasicStringUint8Printer(val) | ||
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return None | ||
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register_printers(gdb.current_objfile()) | ||
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