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PowerRomDasm
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Basic support for formatting structures.

This commit is contained in:
Maxim Poliakovski 2021-10-21 14:04:51 +02:00
parent 728bb708ff
commit 8bab28b042
1 changed files with 21 additions and 4 deletions
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25
PowerRomDasm.py
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@ -195,6 +195,24 @@ class ROMDisassembler:
#print(regs)
return regs
def fmt_array(self, entry, offset):
count = entry['size'] // entry['elsize']
for i in range(count):
self.fmt_single_entry(entry['format'], entry['elsize'], offset)
offset += entry['elsize']
def parse_struct(self, fields, offset):
size_acc = 0
for field in fields:
if field['type'] == 'int':
self.fmt_single_entry(field['format'], field['size'], offset)
elif field['type'] == 'array':
self.fmt_array(field, offset)
else:
print("Unknown struct field type %s" % field['type'])
offset += field['size']
size_acc += field['size']
return size_acc
def fmt_entry(self, entry, offset):
print("")
@ -209,10 +227,7 @@ class ROMDisassembler:
print((entry['label'] + ':').ljust(15))
if entry['type'] == 'array':
count = entry['size'] // entry['elsize']
for i in range(count):
self.fmt_single_entry(entry['format'], entry['elsize'], offset)
offset += entry['elsize']
self.fmt_array(entry, offset)
elif entry['type'] == 'int':
self.fmt_single_entry(entry['format'], entry['size'], offset)
elif entry['type'] == 'code':
@ -233,6 +248,8 @@ class ROMDisassembler:
str_len = entry['size']
fmt_str = '%is' % str_len
print('"%s"' % struct.unpack(fmt_str, self.rom_data[offset:offset+str_len])[0].decode('mac_roman'))
elif entry['type'] == 'struct':
return self.parse_struct(entry['fields'], offset)
return entry['size']