| """ |
| Test changing setting for expression memory allocation. |
| """ |
| |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class TestMemoryAllocSettings(TestBase): |
| def test(self): |
| """Test changing settings for expression memory allocation.""" |
| self.build() |
| target = self.createTestTarget() |
| |
| self.log_file = self.getBuildArtifact("log-expr.txt") |
| |
| self.runCmd("settings set target.expr-alloc-address 0xdead0000") |
| self.runCmd("settings set target.expr-alloc-size 10000") |
| self.runCmd("settings set target.expr-alloc-align 0x1000") |
| |
| self.runCmd("log enable lldb expr -f " + self.log_file) |
| self.runCmd("expression -- int foo; &foo") |
| |
| self.assertTrue(os.path.isfile(self.log_file)) |
| with open(self.log_file, "r") as f: |
| log = f.read() |
| |
| alloc0 = re.search("^.*IRMemoryMap::Malloc.+?0xdead0000.*$", log, re.MULTILINE) |
| # Malloc adds additional bytes to allocation size, hence 10007 |
| alloc1 = re.search( |
| "^.*IRMemoryMap::Malloc\s*?\(10007.+?0xdead1000.*$", log, re.MULTILINE |
| ) |
| self.assertTrue(alloc0, "Couldn't find an allocation at a given address.") |
| self.assertTrue( |
| alloc1, "Couldn't find an allocation of a given size at a given address." |
| ) |
