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lldb/test/API/functionalities/dwo/TestZeroDwoId.py
- This file was added.
| """ | |||||
| Test things related to the fission debug information style where the main object | |||||
| file contains a skeleton compile unit and the main debug info is in .dwo files. | |||||
| """ | |||||
| import lldb | |||||
| from lldbsuite.test.decorators import * | |||||
| from lldbsuite.test.lldbtest import * | |||||
| from lldbsuite.test import lldbutil | |||||
| import os | |||||
| class ExecTestCase(TestBase): | |||||
| NO_DEBUG_INFO_TESTCASE = True | |||||
| def test_zero_dwo_id (self): | |||||
| ''' | |||||
| Test that we can load a .o file that has a skeleton compile unit | |||||
| with a DWO ID of zero. We do this by hacking up the yaml to emit | |||||
| zero as a DWO ID is both the .o file and .dwo file. Then we make | |||||
| sure we can resolve something in the debug information to verify | |||||
| that we were able to load the .dwo file corrrectly since that is | |||||
| the only place that has this information. | |||||
| ''' | |||||
| src_dir = self.getSourceDir() | |||||
| dwo_yaml_path = os.path.join(src_dir, "main.dwo.yaml") | |||||
| obj_yaml_path = os.path.join(src_dir, "main.o.yaml") | |||||
| dwo_path = self.getBuildArtifact("main.dwo") | |||||
| obj_path = self.getBuildArtifact("main.o") | |||||
| self.yaml2obj(dwo_yaml_path, dwo_path) | |||||
| self.yaml2obj(obj_yaml_path, obj_path) | |||||
| # We need the current working directory to be set to the build directory | |||||
| os.chdir(self.getBuildDir()) | |||||
| # Create a target with the object file we just created from YAML | |||||
| target = self.dbg.CreateTarget(obj_path) | |||||
| self.assertTrue(target, VALID_TARGET) | |||||
| # Set a breakpoint by file and line, this doesn't require anything from | |||||
| # the .dwo file. | |||||
| bp = target.BreakpointCreateByLocation('main.cpp', 6) | |||||
| self.assertTrue(bp.GetNumLocations() == 1) | |||||
| bp_loc = bp.GetLocationAtIndex(0) | |||||
| self.assertTrue(bp_loc.IsValid()) | |||||
| # We will use the address of the location to resolve the function "main" | |||||
| # to make sure we were able to open the .dwo file since this is the only | |||||
| # place that contains debug info for the function. | |||||
| self.assertTrue(bp_loc.GetAddress().GetFunction().IsValid()) | |||||