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import gdb
gr = gdb.execute
def u32(a):
return int(gdb.parse_and_eval("*(unsigned int*)0x%x" % a))
def u64(a):
return int(gdb.parse_and_eval("*(unsigned long*)0x%x" % a))
state = {"hits": {}}
class HB(gdb.Breakpoint):
def __init__(self, pa, tag, quiet_after=8):
super().__init__("*0x%x" % pa, type=gdb.BP_BREAKPOINT, internal=False)
self.tag = tag
self.quiet_after = quiet_after
self.silent = True
def stop(self):
n = state["hits"].get(self.tag, 0) + 1
state["hits"][self.tag] = n
try:
rdi = int(gdb.parse_and_eval("$rdi"))
rsi = int(gdb.parse_and_eval("$rsi"))
rdx = int(gdb.parse_and_eval("$rdx"))
rcx = int(gdb.parse_and_eval("$rcx"))
r8 = int(gdb.parse_and_eval("$r8"))
r9 = int(gdb.parse_and_eval("$r9"))
if n <= self.quiet_after or self.tag in ("PRED", "COMPR"):
print("HIT %s #%d rdi=0x%x rsi=0x%x rdx=0x%x rcx=0x%x r8=0x%x r9=0x%x" %
(self.tag, n, rdi, rsi, rdx, rcx, r8, r9), flush=True)
except Exception as e:
print("err", e, flush=True)
return False
HB(0xffffffffc0c403b0, "VIDH")
HB(0xffffffffc0d667a0, "PMA", 4)
HB(0xffffffffc0d6ae30, "PRED")
HB(0xffffffffc0d57d60, "COMPR", 16)
HB(0xffffffffc0d607f0, "SCRUB", 4)
print("HB-SET", flush=True)
gr("continue")
print("T112B-DONE %s" % state["hits"], flush=True)
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