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from rpython.jit.metainterp.history import (ConstInt, BoxInt, ConstFloat,
BoxFloat, TargetToken)
from rpython.jit.metainterp.resoperation import rop
from rpython.rlib.debug import (have_debug_prints, debug_start, debug_stop,
debug_print)
from rpython.rlib.objectmodel import we_are_translated, compute_unique_id
from rpython.rlib.rarithmetic import r_uint
from rpython.rtyper.lltypesystem import lltype, llmemory, rffi
class Logger(object):
def __init__(self, metainterp_sd, guard_number=False):
self.metainterp_sd = metainterp_sd
self.guard_number = guard_number
def log_loop(self, inputargs, operations, number=0, type=None, ops_offset=None, name=''):
if type is None:
debug_start("jit-log-noopt-loop")
debug_print("# Loop", number, '(%s)' % name, ":", "noopt",
"with", len(operations), "ops")
logops = self._log_operations(inputargs, operations, ops_offset)
debug_stop("jit-log-noopt-loop")
elif type == "rewritten":
debug_start("jit-log-rewritten-loop")
debug_print("# Loop", number, '(%s)' % name, ":", type,
"with", len(operations), "ops")
logops = self._log_operations(inputargs, operations, ops_offset)
debug_stop("jit-log-rewritten-loop")
elif number == -2:
debug_start("jit-log-compiling-loop")
logops = self._log_operations(inputargs, operations, ops_offset)
debug_stop("jit-log-compiling-loop")
else:
debug_start("jit-log-opt-loop")
debug_print("# Loop", number, '(%s)' % name, ":", type,
"with", len(operations), "ops")
logops = self._log_operations(inputargs, operations, ops_offset)
debug_stop("jit-log-opt-loop")
return logops
def log_bridge(self, inputargs, operations, extra=None,
descr=None, ops_offset=None):
if extra == "noopt":
debug_start("jit-log-noopt-bridge")
debug_print("# bridge out of Guard",
"0x%x" % compute_unique_id(descr),
"with", len(operations), "ops")
logops = self._log_operations(inputargs, operations, ops_offset)
debug_stop("jit-log-noopt-bridge")
elif extra == "rewritten":
debug_start("jit-log-rewritten-bridge")
debug_print("# bridge out of Guard",
"0x%x" % compute_unique_id(descr),
"with", len(operations), "ops")
logops = self._log_operations(inputargs, operations, ops_offset)
debug_stop("jit-log-rewritten-bridge")
elif extra == "compiling":
debug_start("jit-log-compiling-bridge")
logops = self._log_operations(inputargs, operations, ops_offset)
debug_stop("jit-log-compiling-bridge")
else:
debug_start("jit-log-opt-bridge")
debug_print("# bridge out of Guard",
"0x%x" % r_uint(compute_unique_id(descr)),
"with", len(operations), "ops")
logops = self._log_operations(inputargs, operations, ops_offset)
debug_stop("jit-log-opt-bridge")
return logops
def log_short_preamble(self, inputargs, operations):
debug_start("jit-log-short-preamble")
logops = self._log_operations(inputargs, operations, ops_offset=None)
debug_stop("jit-log-short-preamble")
return logops
def _log_operations(self, inputargs, operations, ops_offset):
if not have_debug_prints():
return None
logops = self._make_log_operations()
logops._log_operations(inputargs, operations, ops_offset)
return logops
def _make_log_operations(self):
return LogOperations(self.metainterp_sd, self.guard_number)
def repr_of_resop(self, op):
return LogOperations(self.metainterp_sd, self.guard_number).repr_of_resop(op)
class LogOperations(object):
"""
ResOperation logger. Each instance contains a memo giving numbers
to boxes, and is typically used to log a single loop.
"""
def __init__(self, metainterp_sd, guard_number):
self.metainterp_sd = metainterp_sd
self.ts = metainterp_sd.cpu.ts
self.guard_number = guard_number
self.memo = {}
def repr_of_descr(self, descr):
return descr.repr_of_descr()
def repr_of_arg(self, arg):
try:
mv = self.memo[arg]
except KeyError:
mv = len(self.memo)
self.memo[arg] = mv
if isinstance(arg, ConstInt):
if int_could_be_an_address(arg.value):
addr = arg.getaddr()
name = self.metainterp_sd.get_name_from_address(addr)
if name:
return 'ConstClass(' + name + ')'
return str(arg.value)
elif isinstance(arg, BoxInt):
return 'i' + str(mv)
elif isinstance(arg, self.ts.ConstRef):
if arg.value:
return 'ConstPtr(ptr' + str(mv) + ')'
return 'ConstPtr(null)'
elif isinstance(arg, self.ts.BoxRef):
return 'p' + str(mv)
elif isinstance(arg, ConstFloat):
return str(arg.getfloat())
elif isinstance(arg, BoxFloat):
return 'f' + str(mv)
elif arg is None:
return 'None'
else:
return '?'
def repr_of_resop(self, op, ops_offset=None):
if op.getopnum() == rop.DEBUG_MERGE_POINT:
jd_sd = self.metainterp_sd.jitdrivers_sd[op.getarg(0).getint()]
s = jd_sd.warmstate.get_location_str(op.getarglist()[3:])
s = s.replace(',', '.') # we use comma for argument splitting
return "debug_merge_point(%d, %d, '%s')" % (op.getarg(1).getint(), op.getarg(2).getint(), s)
if ops_offset is None:
offset = -1
else:
offset = ops_offset.get(op, -1)
if offset == -1:
s_offset = ""
else:
s_offset = "+%d: " % offset
args = ", ".join([self.repr_of_arg(op.getarg(i)) for i in range(op.numargs())])
if op.result is not None:
res = self.repr_of_arg(op.result) + " = "
else:
res = ""
is_guard = op.is_guard()
if op.getdescr() is not None:
descr = op.getdescr()
if is_guard and self.guard_number:
hash = r_uint(compute_unique_id(descr))
r = "<Guard0x%x>" % hash
else:
r = self.repr_of_descr(descr)
if args:
args += ', descr=' + r
else:
args = "descr=" + r
if is_guard and op.getfailargs() is not None:
fail_args = ' [' + ", ".join([self.repr_of_arg(arg)
for arg in op.getfailargs()]) + ']'
else:
fail_args = ''
return s_offset + res + op.getopname() + '(' + args + ')' + fail_args
def _log_inputarg_setup_ops(self, op):
target_token = op.getdescr()
if isinstance(target_token, TargetToken):
if target_token.exported_state:
for op in target_token.exported_state.inputarg_setup_ops:
debug_print(' ' + self.repr_of_resop(op))
def _log_operations(self, inputargs, operations, ops_offset):
if not have_debug_prints():
return
if ops_offset is None:
ops_offset = {}
if inputargs is not None:
args = ", ".join([self.repr_of_arg(arg) for arg in inputargs])
debug_print('[' + args + ']')
for i in range(len(operations)):
op = operations[i]
debug_print(self.repr_of_resop(operations[i], ops_offset))
if op.getopnum() == rop.LABEL:
self._log_inputarg_setup_ops(op)
if ops_offset and None in ops_offset:
offset = ops_offset[None]
debug_print("+%d: --end of the loop--" % offset)
def int_could_be_an_address(x):
if we_are_translated():
x = rffi.cast(lltype.Signed, x) # force it
return not (-32768 <= x <= 32767)
else:
return isinstance(x, llmemory.AddressAsInt)
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