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"""Test the go DWARF type parsing."""
from __future__ import print_function
import os
import time
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class TestGoASTContext(TestBase):
mydir = TestBase.compute_mydir(__file__)
@add_test_categories(['pyapi'])
@skipIfFreeBSD # llvm.org/pr24895 triggers assertion failure
@skipIfRemote # Not remote test suit ready
@no_debug_info_test
@skipUnlessGoInstalled
def test_with_dsym_and_python_api(self):
"""Test GoASTContext dwarf parsing."""
self.buildGo()
self.launchProcess()
self.go_builtin_types()
self.check_main_vars()
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line numbers to break inside main().
self.main_source = "main.go"
self.break_line = line_number(
self.main_source, '// Set breakpoint here.')
def check_builtin(self, name, size=0, typeclass=lldb.eTypeClassBuiltin):
tl = self.target().FindTypes(name)
self.assertEqual(1, len(tl))
t = list(tl)[0]
self.assertEqual(name, t.name)
self.assertEqual(typeclass, t.type)
if size > 0:
self.assertEqual(size, t.size)
def launchProcess(self):
exe = os.path.join(os.getcwd(), "a.out")
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
bpt = target.BreakpointCreateByLocation(
self.main_source, self.break_line)
self.assertTrue(bpt, VALID_BREAKPOINT)
# Now launch the process, and do not stop at entry point.
process = target.LaunchSimple(
None, None, self.get_process_working_directory())
self.assertTrue(process, PROCESS_IS_VALID)
# The stop reason of the thread should be breakpoint.
thread_list = lldbutil.get_threads_stopped_at_breakpoint(process, bpt)
# Make sure we stopped at the first breakpoint.
self.assertTrue(
len(thread_list) != 0,
"No thread stopped at our breakpoint.")
self.assertTrue(len(thread_list) == 1,
"More than one thread stopped at our breakpoint.")
frame = thread_list[0].GetFrameAtIndex(0)
self.assertTrue(frame, "Got a valid frame 0 frame.")
def go_builtin_types(self):
address_size = self.target().GetAddressByteSize()
self.check_builtin('bool')
self.check_builtin('uint8', 1)
self.check_builtin('int8', 1)
self.check_builtin('uint16', 2)
self.check_builtin('int16', 2)
self.check_builtin('uint32', 4)
self.check_builtin('int32', 4)
self.check_builtin('uint64', 8)
self.check_builtin('int64', 8)
self.check_builtin('uintptr', address_size)
self.check_builtin('int', address_size)
self.check_builtin('uint', address_size)
self.check_builtin('float32', 4)
self.check_builtin('float64', 8)
self.check_builtin('complex64', 8, lldb.eTypeClassComplexFloat)
self.check_builtin('complex128', 16, lldb.eTypeClassComplexFloat)
def var(self, name):
var = self.frame().FindVariable(name)
self.assertTrue(var.IsValid(), "%s %s" % (VALID_VARIABLE, name))
return var
def check_main_vars(self):
v = self.var('theBool')
self.assertEqual('true', v.value)
v = self.var('theInt')
self.assertEqual('-7', v.value)
v = self.var('theComplex')
self.assertEqual('1 + 2i', v.value)
v = self.var('thePointer')
self.assertTrue(v.TypeIsPointerType())
self.assertEqual('-10', v.Dereference().value)
self.assertEqual(1, v.GetNumChildren())
self.assertEqual('-10', v.GetChildAtIndex(0).value)
# print()
# print(os.getpid())
# time.sleep(60)
v = self.var('theStruct')
if v.TypeIsPointerType():
v = v.Dereference()
self.assertEqual(2, v.GetNumChildren())
self.assertEqual('7', v.GetChildAtIndex(0).value)
self.assertEqual('7', v.GetChildMemberWithName('myInt').value)
self.assertEqual(
v.load_addr,
v.GetChildAtIndex(1).GetValueAsUnsigned())
self.assertEqual(v.load_addr, v.GetChildMemberWithName(
'myPointer').GetValueAsUnsigned())
# Test accessing struct fields through pointers.
v = v.GetChildMemberWithName('myPointer')
self.assertTrue(v.TypeIsPointerType())
self.assertEqual(2, v.GetNumChildren())
self.assertEqual('7', v.GetChildAtIndex(0).value)
c = v.GetChildMemberWithName('myPointer')
self.assertTrue(c.TypeIsPointerType())
self.assertEqual(2, c.GetNumChildren())
self.assertEqual('7', c.GetChildAtIndex(0).value)
v = self.var('theArray')
self.assertEqual(5, v.GetNumChildren())
for i in list(range(5)):
self.assertEqual(str(i + 1), v.GetChildAtIndex(i).value)
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