admin
7c22ae1f02
- remove diagnostic canaries from audio hot path (crackle fix) and stuck C5 note raw-MIDI test (Vst2Instrument::init noteOff) - split native bridge into daw_vst_bridge (VSTi) + fx_vst_bridge (VST FX) - VST3: processData prepare before setActive, zero input buses, accept both .vstpreset and bridge-state blob in RenderJob presets - native_render/vst_engine: bridge-exe discovery + render_fx_chain + /fx-gui - delete old install/ engine binaries (install via sidecar+resources now) - add BUILD_LAYOUT.md, build_selfcheck, tools/ diagnostics
55 lines
1.9 KiB
Python
55 lines
1.9 KiB
Python
import struct
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path = r"C:/Users/locpham/AppData/Local/Temp/sf_dumps/bridge_crash_1696.dmp"
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data = open(path, "rb").read()
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sig, ver, numstreams, sdir = struct.unpack_from("<IIIIIIQ", data, 0)[:4]
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streams = {}
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for i in range(numstreams):
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stype, datasize, rva = struct.unpack_from("<III", data, sdir + i * 12)
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streams[stype] = (rva, datasize)
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mods = []
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rva, sz = streams[4]
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n = struct.unpack_from("<I", data, rva)[0]
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pos = rva + 4
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for i in range(n):
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base, imgsz, cksum, ts, name_rva = struct.unpack_from("<QIIII", data, pos)
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nlen = struct.unpack_from("<I", data, name_rva)[0]
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name = data[name_rva + 4:name_rva + 4 + nlen].decode("utf-16-le", "replace").rstrip("\x00")
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mods.append((base, imgsz, name))
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pos += 108
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def mod_for(addr):
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for base, szz, name in mods:
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if base <= addr < base + szz:
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return base, name
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return None, None
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# dump all memory regions, scan for qwords inside DUNE 3.dll or bridge exe
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targets = []
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for base, szz, name in mods:
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if "DUNE" in name or "daw_vst_bridge" in name:
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targets.append((base, szz, name))
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print("targets:", [(hex(b), s, n.split("\\")[-1]) for b, s, n in targets])
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rva, sz = streams[5]
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n = struct.unpack_from("<I", data, rva)[0]
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pos = rva + 4
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hits = {}
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for i in range(n):
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start, msz, mrva = struct.unpack_from("<QII", data, pos)
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pos += 16
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chunk = data[mrva:mrva + msz]
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for j in range(0, len(chunk) - 8, 8):
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val = struct.unpack_from("<Q", chunk, j)[0]
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for tb, tsz, tn in targets:
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if tb <= val < tb + tsz:
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hits.setdefault((val, tn, val - tb), []).append((start + j, msz))
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break
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print("\nunique qwords pointing into DUNE/bridge (addr, module, offset, count):")
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for (val, tn, off), locs in sorted(hits.items()):
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print(" %016x %s+%x (seen %d times, e.g. mem@%016x size %x)" % (val, tn.split("\\")[-1], off, len(locs), locs[0][0], locs[0][1]))
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