File: TestCorefileExceptionReason.py

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"""Test that lldb can report the exception reason for threads in a corefile."""

import os
import re
import subprocess

import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil

class TestCorefileExceptionReason(TestBase):

    mydir = TestBase.compute_mydir(__file__)

    @skipIfOutOfTreeDebugserver  # newer debugserver required for these qMemoryRegionInfo types
    @no_debug_info_test
    @skipUnlessDarwin
    @skipIf(archs=no_match(['arm64','arm64e']))
    def test(self):

        corefile = self.getBuildArtifact("process.core")
        self.build()
        (target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(
            self, "// break here", lldb.SBFileSpec("main.cpp"))

        self.runCmd("continue")

        self.runCmd("process save-core -s stack " + corefile)
        process.Kill()
        self.dbg.DeleteTarget(target)

        # Now load the corefile
        target = self.dbg.CreateTarget('')
        process = target.LoadCore(corefile)
        thread = process.GetSelectedThread()
        self.assertTrue(process.GetSelectedThread().IsValid())
        if self.TraceOn():
            self.runCmd("image list")
            self.runCmd("bt")
            self.runCmd("fr v")

        self.assertTrue(thread.GetStopDescription(256) == "ESR_EC_DABORT_EL0 (fault address: 0x0)")