def test_v3_redirect_assembler():
# prepare a forest that already got two traces,
# the first with call assembler and the target of
# call assembler already included. then a read mark
# redirect assembler is emulated.
forest = TraceForest(3)
trace = forest.add_trace('loop', 0, 0)
trace.start_mark(const.MARK_TRACE_ASM)
op = FlatOp(0, 'call_assembler_i', '', 'i0', 0, 15)
trace.add_instr(op)
#
trace2 = forest.add_trace('loop', 16, 0)
trace2.start_mark(const.MARK_TRACE_ASM)
trace2.set_addr_bounds(42,44)
#
fobj = FileObj([const.MARK_REDIRECT_ASSEMBLER,
encode_le_u64(15),
encode_le_u64(17),
encode_le_u64(16),
])
fw = FileObjWrapper(fobj)
forest = construct_forest(fw, forest=forest)
asm = forest.get_trace(16)
parent = forest.get_trace(0)
assert asm.get_parent() == parent
assert len(parent.links) == 1
def test_v3_redirect_assembler():
# prepare a forest that already got two traces,
# the first with call assembler and the target of
# call assembler already included. then a read mark
# redirect assembler is emulated.
forest = TraceForest(3)
trace = forest.add_trace('loop', 0, 0)
trace.start_mark(const.MARK_TRACE_ASM)
op = FlatOp(0, 'call_assembler_i', '', 'i0', 0, 15)
trace.add_instr(op)
#
trace2 = forest.add_trace('loop', 16, 0)
trace2.start_mark(const.MARK_TRACE_ASM)
trace2.set_addr_bounds(42, 44)
#
fobj = FileObj([
const.MARK_REDIRECT_ASSEMBLER,
encode_le_u64(15),
encode_le_u64(17),
encode_le_u64(16),
])
fw = FileObjWrapper(fobj)
forest = construct_forest(fw, forest=forest)
asm = forest.get_trace(16)
parent = forest.get_trace(0)
assert asm.get_parent() == parent
assert len(parent.links) == 1
