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tracy/extra/natvis.py

155 lines
7.1 KiB
Python

import lldb
def VectorSummary(value, dict):
v = value.GetNonSyntheticValue()
size = v.GetChildMemberWithName('m_size').GetValueAsUnsigned()
capacityVal = v.GetChildMemberWithName('m_capacity').GetValueAsUnsigned()
capacity = 1 << capacityVal if capacityVal < 63 else 'read-only'
magic = bool(v.GetChildMemberWithName('m_magic').GetValueAsUnsigned())
return f'{{size={size}, capacity={capacity}, magic={magic}}}'
def ShortPtrSummary(value, dict):
val = value.GetNonSyntheticValue()
ptr = val.GetChildMemberWithName('m_ptr')
type = val.GetType().GetTemplateArgumentType(0)
p0 = ptr.GetChildAtIndex(0).GetValueAsUnsigned()
p1 = ptr.GetChildAtIndex(1).GetValueAsUnsigned()
p2 = ptr.GetChildAtIndex(2).GetValueAsUnsigned()
p3 = ptr.GetChildAtIndex(3).GetValueAsUnsigned()
p4 = ptr.GetChildAtIndex(4).GetValueAsUnsigned()
p5 = ptr.GetChildAtIndex(5).GetValueAsUnsigned()
#return '0x{0:02x}{1:02x}{2:02x}{3:02x}{4:02x}{5:02x}'.format(p5, p4, p3, p2, p1, p0)
return value.CreateValueFromAddress('m_ptr', p0 | (p1 << 8) | (p2 << 16) | (p3 << 24) | (p4 << 32) | (p5 << 40), type)
class ShortPtrPrinter:
def __init__(self, val, dict):
self.val = val
self.type = self.val.GetType().GetTemplateArgumentType(0)
def update(self):
ptr = self.val.GetChildMemberWithName('m_ptr')
p0 = ptr.GetChildAtIndex(0).GetValueAsUnsigned()
p1 = ptr.GetChildAtIndex(1).GetValueAsUnsigned()
p2 = ptr.GetChildAtIndex(2).GetValueAsUnsigned()
p3 = ptr.GetChildAtIndex(3).GetValueAsUnsigned()
p4 = ptr.GetChildAtIndex(4).GetValueAsUnsigned()
p5 = ptr.GetChildAtIndex(5).GetValueAsUnsigned()
self.ptr = p0 | (p1 << 8) | (p2 << 16) | (p3 << 24) | (p4 << 32) | (p5 << 40)
def num_children(self):
return 1
def get_child_index(self, name):
return int(name.lstrip('[').rstrip(']'))
def get_child_at_index(self, index):
return self.val.CreateValueFromAddress('m_ptr', self.ptr, self.type)
class VectorPrinter:
def __init__(self, val, dict):
self.val = val
self.magic = bool(val.GetChildMemberWithName('m_magic').GetValueAsUnsigned())
if self.magic:
self.type = val.GetType().GetTemplateArgumentType(0).GetTemplateArgumentType(0)
else:
self.type = val.GetType().GetTemplateArgumentType(0)
self.stride = self.type.GetByteSize()
def update(self):
ptr = self.val.GetChildMemberWithName('m_ptr').GetChildMemberWithName('m_ptr')
p0 = ptr.GetChildAtIndex(0).GetValueAsUnsigned()
p1 = ptr.GetChildAtIndex(1).GetValueAsUnsigned()
p2 = ptr.GetChildAtIndex(2).GetValueAsUnsigned()
p3 = ptr.GetChildAtIndex(3).GetValueAsUnsigned()
p4 = ptr.GetChildAtIndex(4).GetValueAsUnsigned()
p5 = ptr.GetChildAtIndex(5).GetValueAsUnsigned()
self.ptr = p0 | (p1 << 8) | (p2 << 16) | (p3 << 24) | (p4 << 32) | (p5 << 40)
self.size = self.val.GetChildMemberWithName('m_size').GetValueAsUnsigned()
def num_children(self):
return self.size
def get_child_index(self, name):
return int(name.lstrip('[').rstrip(']'))
def get_child_at_index(self, index):
return self.val.CreateValueFromAddress('[%d]' % index, self.ptr + index * self.stride, self.type)
def Int24Summary(value, dict):
val = value.GetNonSyntheticValue().GetChildMemberWithName('m_val')
p0 = val.GetChildAtIndex(0).GetValueAsUnsigned()
p1 = val.GetChildAtIndex(1).GetValueAsUnsigned()
p2 = val.GetChildAtIndex(2).GetValueAsUnsigned()
return p0 | (p1 << 8) | (p2 << 16)
def Int48Summary(value, dict):
val = value.GetNonSyntheticValue().GetChildMemberWithName('m_val')
p0 = val.GetChildAtIndex(0).GetValueAsUnsigned()
p1 = val.GetChildAtIndex(1).GetValueAsUnsigned()
p2 = val.GetChildAtIndex(2).GetValueAsUnsigned()
p3 = val.GetChildAtIndex(3).GetValueAsUnsigned()
p4 = val.GetChildAtIndex(4).GetValueAsUnsigned()
p5 = val.GetChildAtIndex(5).GetValueAsUnsigned()
return p0 | (p1 << 8) | (p2 << 16) | (p3 << 24) | (p4 << 32) | (p5 << 40)
class ZoneEventPrinter:
def __init__(self, val, dict):
self.val = val
def update(self):
_start_srcloc = self.val.GetChildMemberWithName('_start_srcloc').GetValueAsUnsigned()
_child2 = self.val.GetChildMemberWithName('_child2').GetValueAsUnsigned()
_end_child1 = self.val.GetChildMemberWithName('_end_child1').GetValueAsUnsigned()
self.extra = self.val.GetChildMemberWithName('extra').GetValueAsUnsigned()
self.start = _start_srcloc >> 16
self.end = _end_child1 >> 16
self.srcloc = _start_srcloc & 0xffff
self.child = ((_end_child1 & 0xffff) << 16) | _child2
def num_children(self):
return 5
def get_child_index(self, name):
if name == 'start':
return 0
if name == 'end':
return 1
if name == 'srcloc':
return 2
if name == 'child':
return 3
if name == 'extra':
return 4
return -1
def get_child_at_index(self, index):
if index == 0:
return self.val.CreateValueFromExpression('start', f'int64_t x = {self.start}; x')
if index == 1:
return self.val.CreateValueFromExpression('end', f'int64_t x = {self.end}; x')
if index == 2:
return self.val.CreateValueFromExpression('srcloc', f'int16_t x = {self.srcloc}; x')
if index == 3:
return self.val.CreateValueFromExpression('child', f'int32_t x = {self.child}; x')
if index == 4:
return self.val.CreateValueFromExpression('extra', f'uint32_t x = {self.extra}; x')
def RobinHoodSummary(value, dict):
val = value.GetNonSyntheticValue()
size = val.GetChildMemberWithName('mNumElements').GetValueAsUnsigned()
mask = val.GetChildMemberWithName('mMask').GetValueAsUnsigned()
return f'{{size={size}, load={float(size) / (mask+1)}}}'
def __lldb_init_module(debugger, dict):
lldb.formatters.Logger._lldb_formatters_debug_level = 2
debugger.HandleCommand('type summary add -w tracy -F natvis.VectorSummary -x ^tracy::Vector<.+>')
debugger.HandleCommand('type summary add -w tracy -F natvis.ShortPtrSummary -x ^tracy::short_ptr<.+>')
debugger.HandleCommand('type summary add -w tracy -F natvis.Int24Summary -x ^tracy::Int24')
debugger.HandleCommand('type summary add -w tracy -F natvis.Int48Summary -x ^tracy::Int48')
debugger.HandleCommand('type summary add -w tracy -F natvis.RobinHoodSummary -x ^tracy::detail::Table<.*>')
debugger.HandleCommand('type synthetic add -w tracy -l natvis.VectorPrinter -x ^tracy::Vector<.+>')
debugger.HandleCommand('type synthetic add -w tracy -l natvis.ShortPtrPrinter -x ^tracy::short_ptr<.+>')
debugger.HandleCommand('type synthetic add -w tracy -l natvis.ZoneEventPrinter -x ^tracy::ZoneEvent')
debugger.HandleCommand('type summary add -w tracy -x ^tracy::ZoneEvent --summary-string "start = ${var.start}, end = ${var.end}, srcloc = ${var.srcloc}, child = ${var.child}, extra = ${var.extra}"')
debugger.HandleCommand('type category enable tracy')