def test_adding_classes(self):
old = read_objdump('examples/objdump/add-classes/tracer.old')
new = read_objdump('examples/objdump/add-classes/tracer.new')
peers = FunctionMatchupSet(old, new)
# Verify that it matches up various functions that become
# methods of class tracer_state:
self.assertEqual(peers.gone, [])
self.assertEqual(peers.appeared, [])
oldfn = old.get_demangled_function(
'find_best_predecessor(basic_block_def*)')
newfn = peers.old_to_new[oldfn]
oldinstr = oldfn.get_instr_at_relative_offset(0xaa)
newinstr = newfn.get_instr_at_relative_offset(0xaa)
# This changes from:
# FN+0xaa: Old: callq 3e1 <ignore_bb_p(basic_block_def const*)>
# : New: callq 353 <ignore_bb_p(basic_block_def const*)>
# which isn't really a change
self.assertEqual(oldinstr.disasm, 'callq <ignore_bb_p(basic_block_def const*)>')
self.assertEqual(newinstr.disasm, 'callq <ignore_bb_p(basic_block_def const*)>')
out = self.get_diff(old, new)
self.assertIn(('\n'
' Changed function: tail_duplicate()\n'
' (renamed to tracer_state::tail_duplicate())\n'),
out)
def test_size_diff(self):
old = read_objdump('examples/objdump/add-classes/tracer.old')
new = read_objdump('examples/objdump/add-classes/tracer.new')
out = self.get_diff(old, new, just_sizes=True)
self.assertEqual(out,
('Old: examples/objdump/add-classes/tracer.old\n'
'New: examples/objdump/add-classes/tracer.new\n'))
def test_size_diff(self):
old = read_objdump('examples/objdump/add-classes/tracer.old')
new = read_objdump('examples/objdump/add-classes/tracer.new')
out = self.get_diff(old, new, just_sizes=True)
self.assertEqual(out,
('Old: examples/objdump/add-classes/tracer.old\n'
'New: examples/objdump/add-classes/tracer.new\n'))
def test_adding_classes(self):
old = read_objdump('examples/objdump/add-classes/tracer.old')
new = read_objdump('examples/objdump/add-classes/tracer.new')
peers = FunctionMatchupSet(old, new)
# Verify that it matches up various functions that become
# methods of class tracer_state:
self.assertEqual(peers.gone, [])
self.assertEqual(peers.appeared, [])
oldfn = old.get_demangled_function(
'find_best_predecessor(basic_block_def*)')
newfn = peers.old_to_new[oldfn]
oldinstr = oldfn.get_instr_at_relative_offset(0xaa)
newinstr = newfn.get_instr_at_relative_offset(0xaa)
# This changes from:
# FN+0xaa: Old: callq 3e1 <ignore_bb_p(basic_block_def const*)>
# : New: callq 353 <ignore_bb_p(basic_block_def const*)>
# which isn't really a change
self.assertEqual(oldinstr.disasm,
'callq <ignore_bb_p(basic_block_def const*)>')
self.assertEqual(newinstr.disasm,
'callq <ignore_bb_p(basic_block_def const*)>')
out = self.get_diff(old, new)
self.assertIn(('\n'
' Changed function: tail_duplicate()\n'
' (renamed to tracer_state::tail_duplicate())\n'),
out)
def test_demangling(self):
asm = read_objdump('examples/objdump/add-classes/tracer.new')
RAWNAME = '_ZN12tracer_state19find_best_successorEP15basic_block_def'
self.assertIn(RAWNAME, asm.functions)
fn = asm.functions[RAWNAME]
self.assertEqual(fn.rawname, RAWNAME)
self.assertEqual(fn.demangled,
'tracer_state::find_best_successor(basic_block_def*)')
self.assertEqual(fn.offset, 0x560)
self.assertEqual(fn.section.name, '.text')
def test_demangling(self):
asm = read_objdump('examples/objdump/add-classes/tracer.new')
RAWNAME = '_ZN12tracer_state19find_best_successorEP15basic_block_def'
self.assertIn(RAWNAME, asm.functions)
fn = asm.functions[RAWNAME]
self.assertEqual(fn.rawname, RAWNAME)
self.assertEqual(
fn.demangled,
'tracer_state::find_best_successor(basic_block_def*)')
self.assertEqual(fn.offset, 0x560)
self.assertEqual(fn.section.name, '.text')
def parse_objdump(self):
# This is the output from "objdump -Cd"
# i.e. it's already gone through demangling
return read_objdump('examples/objdump/isra/tracer.old')
def read_anon_namespace_files(self):
old = read_objdump('examples/objdump/anon-namespace/tracer.old')
new = read_objdump('examples/objdump/anon-namespace/tracer.new')
return old, new
def parse_objdump(self):
# This is the output from "objdump -Cd"
# i.e. it's already gone through demangling
return read_objdump('examples/objdump/isra/tracer.old')
def read_anon_namespace_files(self):
old = read_objdump('examples/objdump/anon-namespace/tracer.old')
new = read_objdump('examples/objdump/anon-namespace/tracer.new')
return old, new