| """Test that forward declaration of a data structure gets resolved correctly.""" |
| |
| from __future__ import print_function |
| |
| |
| import os |
| import time |
| import lldb |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test.decorators import * |
| import lldbsuite.test.lldbutil as lldbutil |
| |
| |
| class ForwardDeclarationTestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| def do_test(self, dictionary=None): |
| """Display *bar_ptr when stopped on a function with forward declaration of struct bar.""" |
| self.build(dictionary=dictionary) |
| exe = self.getBuildArtifact("a.out") |
| self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) |
| |
| # Break inside the foo function which takes a bar_ptr argument. |
| lldbutil.run_break_set_by_symbol( |
| self, "foo", num_expected_locations=1, sym_exact=True) |
| |
| self.runCmd("run", RUN_SUCCEEDED) |
| |
| # The stop reason of the thread should be breakpoint. |
| self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT, |
| substrs=['stopped', |
| 'stop reason = breakpoint']) |
| |
| # The breakpoint should have a hit count of 1. |
| self.expect("breakpoint list -f", BREAKPOINT_HIT_ONCE, |
| substrs=[' resolved, hit count = 1']) |
| |
| # This should display correctly. |
| # Note that the member fields of a = 1 and b = 2 is by design. |
| self.expect( |
| "frame variable --show-types *bar_ptr", |
| VARIABLES_DISPLAYED_CORRECTLY, |
| substrs=[ |
| '(bar) *bar_ptr = ', |
| '(int) a = 1', |
| '(int) b = 2']) |
| |
| # And so should this. |
| self.expect( |
| "expression --show-types -- *bar_ptr", |
| VARIABLES_DISPLAYED_CORRECTLY, |
| substrs=[ |
| '(bar)', |
| '(int) a = 1', |
| '(int) b = 2']) |
| |
| def test(self): |
| self.do_test() |
| |
| @no_debug_info_test |
| @skipIfDarwin |
| @skipIf(compiler=no_match("clang")) |
| @skipIf(compiler_version=["<", "7.0"]) |
| def test_debug_names(self): |
| """Test that we are able to find complete types when using DWARF v5 |
| accelerator tables""" |
| self.do_test(dict(CFLAGS_EXTRAS="-mllvm -accel-tables=Dwarf")) |
