File: TestMemoryRegion.py

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-11
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,418,840 kB
  • sloc: cpp: 5,290,826; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,898; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,913; xml: 953; cs: 573; fortran: 539
file content (64 lines) | stat: -rw-r--r-- 2,310 bytes parent folder | download | duplicates (6)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
"""
Test the 'memory region' command.
"""



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


class MemoryCommandRegion(TestBase):

    mydir = TestBase.compute_mydir(__file__)

    NO_DEBUG_INFO_TESTCASE = True

    def setUp(self):
        TestBase.setUp(self)
        # Find the line number to break for main.c.
        self.line = line_number(
            'main.cpp',
            '// Run here before printing memory regions')

    def test(self):
        self.build()

        # Set breakpoint in main and run
        self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)
        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)

        interp = self.dbg.GetCommandInterpreter()
        result = lldb.SBCommandReturnObject()

        # Test that the first 'memory region' command prints the usage.
        interp.HandleCommand("memory region", result)
        self.assertFalse(result.Succeeded())
        self.assertRegexpMatches(result.GetError(), "Usage: memory region ADDR")

        # Test that when the address fails to parse, we show an error and do not continue
        interp.HandleCommand("memory region not_an_address", result)
        self.assertFalse(result.Succeeded())
        self.assertEqual(result.GetError(),
                "error: invalid address argument \"not_an_address\": address expression \"not_an_address\" evaluation failed\n")

        # Now let's print the memory region starting at 0 which should always work.
        interp.HandleCommand("memory region 0x0", result)
        self.assertTrue(result.Succeeded())
        self.assertRegexpMatches(result.GetOutput(), "\\[0x0+-")

        # Keep printing memory regions until we printed all of them.
        while True:
            interp.HandleCommand("memory region", result)
            if not result.Succeeded():
                break

        # Now that we reached the end, 'memory region' should again print the usage.
        interp.HandleCommand("memory region", result)
        self.assertFalse(result.Succeeded())
        self.assertRegexpMatches(result.GetError(), "Usage: memory region ADDR")