mirror of
https://github.com/RetroPortingToolKit/psxrecomp
synced 2026-10-28 10:59:16 -04:00
Matthew Stanley
39 lines
1.1 KiB
Python
39 lines
1.1 KiB
Python
"""Check if 0x80028B34 (caller of 0x80068DDC) fires on runtime.
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If not, we go further upstream."""
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import socket, json, time
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def call(port, cmd, **kw):
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s = socket.create_connection(('127.0.0.1', port), timeout=5)
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s.sendall((json.dumps({'id':1,'cmd':cmd, **kw})+'\n').encode())
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buf = b''
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while not buf.endswith(b'\n'):
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c = s.recv(65536)
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if not c: break
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buf += c
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s.close()
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return json.loads(buf.decode())
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# Arm fntrace on 0x80028B34 on runtime
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call(4470, 'fntrace_arm', target='0x80028B34')
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# Also arm 0x80068DDC (the immediate caller of init function)
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call(4470, 'fntrace_arm', target='0x80068DDC')
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# And 0x80022458 (caller of 0x80028B34)
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call(4470, 'fntrace_arm', target='0x80022458')
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# And 0x8006A0C0 itself
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call(4470, 'fntrace_arm', target='0x8006A0C0')
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# Wait 3 sec
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print("Waiting 3 sec for hits...")
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time.sleep(3)
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# Dump
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d = call(4470, 'fntrace_dump', count=500)
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es = d.get('entries', [])
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print(f"Total entries: {len(es)}")
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import collections
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funcs = collections.Counter(e.get('target') for e in es)
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print("Top hit counts:")
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for f, c in funcs.most_common(10):
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print(f" {f}: {c}")
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