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m1n1.constructutils: Add a global struct address tracer

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Currently unconditional, kind of hacky. Good for HV use.

Signed-off-by: Asahi Lina <lina@asahilina.net>
This commit is contained in:
Asahi Lina 2022-06-02 22:59:54 +09:00
parent de4f024ced
commit 4ad733493b
1 changed files with 23 additions and 1 deletions
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24
proxyclient/m1n1/constructutils.py
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@ -304,6 +304,7 @@ class ConstructClassBase(Reloadable, metaclass=ReloadableConstructMeta):
self._apply(obj)
g_struct_trace.add((self._addr, f"{cls.name} (end: {self._addr + size:#x})"))
return self
@classmethod
@ -398,6 +399,23 @@ class ConstructClass(ConstructClassBase, Container):
if addr is not None:
setattr(obj, addr_field, addr)
@classmethod
def _parse(cls, stream, context, path):
self = ConstructClassBase._parse.__func__(cls, stream, context, path)
for key in self:
if key.startswith('_'):
continue
try:
val = int(self[key])
except:
continue
if (0x1000000000 <= val <= 0x1f00000000 or
0xf8000000000 <= val <= 0xff000000000 or
0xffffff8000000000 <= val <= 0xfffffff000000000):
g_struct_trace.add((val, f"{cls.name}.{key}"))
return self
def _apply(self, obj):
self.update(obj)
@ -420,4 +438,8 @@ class ConstructValueClass(ConstructClassBase):
def _apply(self, obj):
self.value = obj
__all__ = ["ConstructClass", "ConstructValueClass", "Dec"]
def show_struct_trace(log=print):
for addr, desc in sorted(list(g_struct_trace)):
log(f"{addr:>#18x}: {desc}")
__all__ = ["ConstructClass", "ConstructValueClass", "Dec", "ROPointer", "show_struct_trace"]