| """ |
| Test the 'memory read' command. |
| """ |
| |
| import os, time |
| import re |
| import unittest2 |
| import lldb |
| from lldbtest import * |
| import lldbutil |
| |
| class MemoryReadTestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") |
| @dsym_test |
| def test_memory_read_with_dsym(self): |
| """Test the 'memory read' command with plain and vector formats.""" |
| self.buildDsym() |
| self.memory_read_command() |
| |
| @dwarf_test |
| def test_memory_read_with_dwarf(self): |
| """Test the 'memory read' command with plain and vector formats.""" |
| self.buildDwarf() |
| self.memory_read_command() |
| |
| def setUp(self): |
| # Call super's setUp(). |
| TestBase.setUp(self) |
| # Find the line number to break inside main(). |
| self.line = line_number('main.cpp', '// Set break point at this line.') |
| |
| def memory_read_command(self): |
| """Test the 'memory read' command with plain and vector formats.""" |
| exe = os.path.join(os.getcwd(), "a.out") |
| self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) |
| |
| # Break in main() aftre the variables are assigned values. |
| lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.line, num_expected_locations=1, loc_exact=True) |
| |
| self.runCmd("run", RUN_SUCCEEDED) |
| |
| # The stop reason of the thread should be breakpoint. |
| self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT, |
| substrs = ['stopped', 'stop reason = breakpoint']) |
| |
| # The breakpoint should have a hit count of 1. |
| self.expect("breakpoint list -f", BREAKPOINT_HIT_ONCE, |
| substrs = [' resolved, hit count = 1']) |
| |
| # Test the memory read commands. |
| |
| # (lldb) memory read -f d -c 1 `&argc` |
| # 0x7fff5fbff9a0: 1 |
| self.runCmd("memory read -f d -c 1 `&argc`") |
| |
| # Find the starting address for variable 'argc' to verify later that the |
| # '--format uint32_t[] --size 4 --count 4' option increments the address |
| # correctly. |
| line = self.res.GetOutput().splitlines()[0] |
| items = line.split(':') |
| address = int(items[0], 0) |
| argc = int(items[1], 0) |
| self.assertTrue(address > 0 and argc == 1) |
| |
| # (lldb) memory read --format uint32_t[] --size 4 --count 4 `&argc` |
| # 0x7fff5fbff9a0: {0x00000001} |
| # 0x7fff5fbff9a4: {0x00000000} |
| # 0x7fff5fbff9a8: {0x0ec0bf27} |
| # 0x7fff5fbff9ac: {0x215db505} |
| self.runCmd("memory read --format uint32_t[] --size 4 --count 4 `&argc`") |
| lines = self.res.GetOutput().splitlines() |
| for i in range(4): |
| if i == 0: |
| # Verify that the printout for argc is correct. |
| self.assertTrue(argc == int(lines[i].split(':')[1].strip(' {}'), 0)) |
| addr = int(lines[i].split(':')[0], 0) |
| # Verify that the printout for addr is incremented correctly. |
| self.assertTrue(addr == (address + i*4)) |
| |
| # (lldb) memory read --format char[] --size 7 --count 1 `&my_string` |
| # 0x7fff5fbff990: {abcdefg} |
| self.expect("memory read --format char[] --size 7 --count 1 `&my_string`", |
| substrs = ['abcdefg']) |
| |
| # (lldb) memory read --format 'hex float' --size 16 `&argc` |
| # 0x7fff5fbff5b0: error: unsupported byte size (16) for hex float format |
| self.expect("memory read --format 'hex float' --size 16 `&argc`", |
| substrs = ['unsupported byte size (16) for hex float format']) |
| |
| self.expect("memory read --format 'float' --count 1 --size 8 `&my_double`", |
| substrs = ['1234.']) |
| |
| # (lldb) memory read --format 'float' --count 1 --size 20 `&my_double` |
| # 0x7fff5fbff598: error: unsupported byte size (20) for float format |
| self.expect("memory read --format 'float' --count 1 --size 20 `&my_double`", |
| substrs = ['unsupported byte size (20) for float format']) |
| |
| |
| if __name__ == '__main__': |
| import atexit |
| lldb.SBDebugger.Initialize() |
| atexit.register(lambda: lldb.SBDebugger.Terminate()) |
| unittest2.main() |