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harness-snapdump-snapload

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SashegDev
2026-09-16 07:01:33 +00:00
parent 0e5587b4c3
commit 6b44c324ad
1 changed files with 37 additions and 1 deletions
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tools/sbl_uni.py
+37 -1
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@@ -110,6 +110,7 @@ def main():
if _loglisten is not None:
sys.stdout = _Tee()
thumb = int(sys.argv[sys.argv.index("--thumb") + 1], 0)
_start = [(int(sys.argv[sys.argv.index("--thumb") + 1], 0)) | 1]
mu = Uc(UC_ARCH_ARM, UC_MODE_THUMB)
for base, size in RAMS:
mu.mem_map(base, size)
@@ -777,13 +778,48 @@ def main():
for pc, a, sz, v in inn[:60]:
print(f" pc={pc:#x} [{a:#x}] sz={sz} val={v:#x}")
_ax2.register(_dwlo)
if "--snapload" in sys.argv:
import pickle as _pk
_sn = _pk.load(open(sys.argv[sys.argv.index("--snapload") + 1], "rb"))
_rr = _sn["regs"]
for _i in range(13):
mu.reg_write(UC_ARM_REG_R0 + _i, _rr[_i])
mu.reg_write(UC_ARM_REG_SP, _rr[13])
mu.reg_write(UC_ARM_REG_LR, _rr[14])
mu.reg_write(UC_ARM_REG_PC, _rr[15])
mu.reg_write(UC_ARM_REG_CPSR, _rr[16])
for _b, _d in _sn["mem"].items():
mu.mem_write(_b, _d)
count[0] = _sn["count"]
hist.extend(_sn["hist"])
if len(_inrng) == len(_sn["inrng"]):
_inrng[:] = _sn["inrng"]
_s12in[0] = _sn["s12in"]
_ms[:] = [list(_m) for _m in _sn["ms"]]
_mio[:] = _sn["mio"]
_start[0] = (_rr[15] | 1) if ((_rr[16] >> 5) & 1) else (_rr[15] & ~1)
print("snaploaded", _sn["count"], flush=True)
limit = 2000000
if "--limit" in sys.argv:
limit = int(sys.argv[sys.argv.index("--limit") + 1])
_snapdump = sys.argv[sys.argv.index("--snapdump") + 1] if "--snapdump" in sys.argv else None
try:
mu.emu_start(thumb | 1, 0xFFFFFFFF, 0, limit)
mu.emu_start(_start[0], 0xFFFFFFFF, 0, limit)
except Exception as e:
print("EMU-EXC:", str(e)[:120])
if _snapdump:
import pickle as _pk2
_rr = [mu.reg_read(UC_ARM_REG_R0 + _i) for _i in range(13)]
_rr += [mu.reg_read(UC_ARM_REG_SP), mu.reg_read(UC_ARM_REG_LR),
mu.reg_read(UC_ARM_REG_PC), mu.reg_read(UC_ARM_REG_CPSR)]
_mm = {}
for _b, _s in RAMS:
_mm[_b] = bytes(mu.mem_read(_b, _s))
_pk2.dump({"regs": _rr, "mem": _mm, "count": count[0],
"hist": list(hist), "inrng": list(_inrng),
"s12in": _s12in[0], "ms": [list(_m) for _m in _ms],
"mio": list(_mio)}, open(_snapdump, "wb"))
print("snapdumped", count[0], flush=True)
print("insns:", count[0], "last-pc:", hex(last[0]))
print("unmapped:", unmapped["n"], unmapped["first"][:4])
print("regs:",