| """ |
| Test that "memory region" command can show memory tagged regions |
| on AArch64 Linux. |
| """ |
| |
| |
| |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class AArch64LinuxMTEMemoryRegionTestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| NO_DEBUG_INFO_TESTCASE = True |
| |
| @skipIf(archs=no_match(["aarch64"])) |
| @skipUnlessPlatform(["linux"]) |
| def test_mte_regions(self): |
| if not self.isAArch64MTE(): |
| self.skipTest('Target must support MTE.') |
| if not self.hasLinuxVmFlags(): |
| self.skipTest('/proc/{pid}/smaps VmFlags must be present') |
| |
| 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: |
| # 47 = non MTE toolchain |
| # 48 = non MTE target |
| exit_status = self.process().GetExitStatus() |
| if exit_status == 47: |
| self.skipTest("MTE must be available in toolchain") |
| elif exit_status == 48: |
| self.skipTest("target must have MTE enabled") |
| |
| # Otherwise we have MTE but another problem occured |
| self.fail("Test program failed to run.") |
| |
| self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT, |
| substrs=['stopped', |
| 'stop reason = breakpoint']) |
| |
| substrs = ["memory tagging: enabled"] |
| # The new page will be tagged |
| self.expect("memory region the_page", substrs=substrs) |
| # Code page will not be |
| self.expect("memory region main", substrs=substrs, matching=False) |
