mirror of
https://github.com/fstat13/PSCapture.git
synced 2026-10-17 15:00:37 +02:00
fstat13
2a58cbcb43
- docs/REVERSE_ENGINEERING.md: library extraction, scan-out ring, pan, chroma plane (V-first words), kernel-side notes, PLD delivery, timeline - tools/: dumplib payload + sprx/xref hunters + frame renderers (own code only)
102 lines
3.7 KiB
Python
102 lines
3.7 KiB
Python
#!/usr/bin/env python3
|
|
"""Parser per .sprx PS4/PS5 (ET_SCE_DYNAMIC): export/import con nomi risolti via aerolib.csv."""
|
|
import struct, sys, os
|
|
|
|
def load_nid_db(p=None):
|
|
p = p or os.path.join(os.path.dirname(os.path.abspath(__file__)), 'aerolib.csv')
|
|
m={}
|
|
with open(p, encoding='utf-8', errors='replace') as f:
|
|
for line in f:
|
|
line=line.strip()
|
|
if not line: continue
|
|
parts=line.split(' ',1)
|
|
if len(parts)==2: m[parts[0]]=parts[1]
|
|
return m
|
|
|
|
def parse(path):
|
|
d=open(path,'rb').read()
|
|
phoff=struct.unpack_from('<Q',d,32)[0]
|
|
phes=struct.unpack_from('<H',d,54)[0]
|
|
phn=struct.unpack_from('<H',d,56)[0]
|
|
ph=[]
|
|
for i in range(phn):
|
|
o=phoff+i*phes
|
|
t,fl,off,va,pa,fsz,msz,al=struct.unpack_from('<IIQQQQQQ',d,o)
|
|
ph.append((t,off,va,fsz,msz))
|
|
def v2f(v):
|
|
for t,off,va,fsz,msz in ph:
|
|
if t==1 and va<=v<va+msz: return off+(v-va)
|
|
dyn=[p for p in ph if p[0]==2]
|
|
if not dyn: return None
|
|
_,doff,_,dsz,_=dyn[0]
|
|
strtab=symtab=hash_=None; ents=[]
|
|
for i in range(dsz//16):
|
|
t,v=struct.unpack_from('<QQ',d,doff+i*16)
|
|
ents.append((t,v))
|
|
if t==5: strtab=v2f(v)
|
|
if t==6: symtab=v2f(v)
|
|
if t==4: hash_=v2f(v)
|
|
if not strtab or not symtab: return None
|
|
def nm(off):
|
|
e=d.find(b'\x00',strtab+off)
|
|
return d[strtab+off:e].decode('latin1')
|
|
# nomi delle librerie: DT_NEEDED + tag SCE con indice
|
|
needed=[nm(v) for t,v in ents if t==1 and v<0x1000000]
|
|
libs={}
|
|
for t,v in ents:
|
|
if 0x61000000<=t<=0x61ffffff:
|
|
idx=v>>48; off=v&0xffffffff
|
|
if off and off<0x1000000:
|
|
try: s=nm(off)
|
|
except Exception: continue
|
|
if s and idx not in libs: libs[idx]=s
|
|
nchain=struct.unpack_from('<I',d,hash_+4)[0] if hash_ else 0
|
|
syms=[]
|
|
for i in range(nchain):
|
|
o=symtab+i*24
|
|
st_name,st_info,st_other,st_shndx,st_value,st_size=struct.unpack_from('<IBBHQQ',d,o)
|
|
if not st_name: continue
|
|
s=nm(st_name)
|
|
if '#' in s:
|
|
nid,lid,mid=s.split('#',2)
|
|
else:
|
|
nid,lid,mid=s,'',''
|
|
syms.append({'nid':nid,'lid':lid,'mid':mid,'info':st_info,'type':st_info&0xf,
|
|
'shndx':st_shndx,'value':st_value,'size':st_size})
|
|
return {'data':d,'phdrs':ph,'needed':needed,'libs':libs,'syms':syms,'strtab':strtab}
|
|
|
|
def report(path, db):
|
|
r=parse(path)
|
|
if not r:
|
|
print('%s: non e un .sprx valido' % path); return
|
|
name=os.path.basename(path)
|
|
print('='*78)
|
|
print('FILE: %s' % name)
|
|
print(' NEEDED: %s' % ', '.join(r['needed']))
|
|
exp=[s for s in r['syms'] if s['shndx']!=0 and s['value']!=0 and s['type']==2]
|
|
obj=[s for s in r['syms'] if s['shndx']!=0 and s['value']!=0 and s['type']==1]
|
|
imp=[s for s in r['syms'] if s['shndx']==0]
|
|
print(' EXPORT funzioni: %d EXPORT oggetti: %d IMPORT: %d' % (len(exp),len(obj),len(imp)))
|
|
print(' --- EXPORT (funzioni) ---')
|
|
for s in sorted(exp,key=lambda x:x['value']):
|
|
n=db.get(s['nid'],'??')
|
|
print(' %-12s 0x%-7x %s' % (s['nid'], s['value'], n))
|
|
if obj:
|
|
print(' --- EXPORT (oggetti) ---')
|
|
for s in sorted(obj,key=lambda x:x['value']):
|
|
print(' %-12s 0x%-7x %s' % (s['nid'], s['value'], db.get(s['nid'],'??')))
|
|
print(' --- IMPORT ---')
|
|
seen=set()
|
|
for s in sorted(imp,key=lambda x:db.get(x['nid'],'zz')):
|
|
n=db.get(s['nid'],'??')
|
|
if (n,s['lid']) in seen: continue
|
|
seen.add((n,s['lid']))
|
|
print(' %-12s #%s#%s %s' % (s['nid'], s['lid'], s['mid'], n))
|
|
print()
|
|
|
|
if __name__=='__main__':
|
|
db=load_nid_db()
|
|
print('DB NID: %d voci' % len(db))
|
|
for p in sys.argv[1:]:
|
|
report(p, db)
|