| """ |
| Test that "memory region" lookup uses the ABI plugin to remove |
| non address bits from addresses before lookup. |
| """ |
| |
| |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class AArch64LinuxTaggedMemoryRegionTestCase(TestBase): |
| NO_DEBUG_INFO_TESTCASE = True |
| |
| # AArch64 Linux always enables the top byte ignore feature |
| @skipUnlessArch("aarch64") |
| @skipUnlessPlatform(["linux"]) |
| def test_mte_regions(self): |
| self.build() |
| self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET) |
| |
| lldbutil.run_break_set_by_file_and_line( |
| self, |
| "main.c", |
| line_number("main.c", "// Set break point at this line."), |
| num_expected_locations=1, |
| ) |
| |
| self.runCmd("run", RUN_SUCCEEDED) |
| |
| if self.process().GetState() == lldb.eStateExited: |
| self.fail("Test program failed to run.") |
| |
| self.expect( |
| "thread list", |
| STOPPED_DUE_TO_BREAKPOINT, |
| substrs=["stopped", "stop reason = breakpoint"], |
| ) |
| |
| # Despite the non address bits we should find a region |
| self.expect( |
| "memory region the_page", patterns=["\[0x[0-9A-Fa-f]+-0x[0-9A-Fa-f]+\) r-x"] |
| ) |
| |
| # Check that the usual error message is displayed after repeating |
| # the command until the last region. |
| self.runCmd("memory region 0") |
| |
| # Count the number of repeats for use in the next check |
| repeats = 0 |
| interp = self.dbg.GetCommandInterpreter() |
| result = lldb.SBCommandReturnObject() |
| |
| while True: |
| interp.HandleCommand("memory region", result) |
| if result.Succeeded(): |
| repeats += 1 |
| else: |
| self.assertRegexpMatches(result.GetError(), "Usage: memory region") |
| break |
| |
| # This time repeat until we get the last region. At that |
| # point the previous address will have non-address bits in it. |
| self.runCmd("memory region 0") |
| for i in range(repeats): |
| self.runCmd("memory region") |
| |
| # This should not error, since the user supplied address overrides |
| # the previous end address. |
| self.expect( |
| "memory region the_page", patterns=["\[0x[0-9A-Fa-f]+-0x[0-9A-Fa-f]+\) r-x"] |
| ) |