xref: /llvm-project/lldb/test/API/python_api/section/TestSectionAPI.py (revision 2238dcc39358353cac21df75c3c3286ab20b8f53) 
1"""
2Test SBSection APIs.
3"""
4
5
6from lldbsuite.test.decorators import *
7from lldbsuite.test.lldbtest import *
8from lldbsuite.test import lldbutil
9
10
11class SectionAPITestCase(TestBase):
12    @no_debug_info_test
13    @skipIfXmlSupportMissing
14    def test_get_target_byte_size(self):
15        d = {"EXE": "b.out"}
16        self.build(dictionary=d)
17        self.setTearDownCleanup(dictionary=d)
18        exe = self.getBuildArtifact("b.out")
19        target = self.dbg.CreateTarget(exe)
20        self.assertTrue(target, VALID_TARGET)
21
22        # find the .data section of the main module
23        mod = target.GetModuleAtIndex(0)
24        data_section = None
25        for s in mod.sections:
26            sect_type = s.GetSectionType()
27            if sect_type == lldb.eSectionTypeData:
28                data_section = s
29                break
30            elif sect_type == lldb.eSectionTypeContainer:
31                for i in range(s.GetNumSubSections()):
32                    ss = s.GetSubSectionAtIndex(i)
33                    sect_type = ss.GetSectionType()
34                    if sect_type == lldb.eSectionTypeData:
35                        data_section = ss
36                        break
37
38        self.assertIsNotNone(data_section)
39        self.assertEqual(data_section.target_byte_size, 1)
40
41    @no_debug_info_test
42    @skipIfXmlSupportMissing
43    def test_get_alignment(self):
44        exe = self.getBuildArtifact("aligned.out")
45        self.yaml2obj("aligned.yaml", exe)
46        target = self.dbg.CreateTarget(exe)
47        self.assertTrue(target, VALID_TARGET)
48
49        # exe contains a single section aligned to 0x1000
50        section = target.modules[0].sections[0]
51        self.assertEqual(section.GetAlignment(), 0x1000)
52        self.assertEqual(section.alignment, 0x1000)
53
54    @no_debug_info_test
55    @skipIfXmlSupportMissing
56    def test_compressed_section_data(self):
57        exe = self.getBuildArtifact("compressed-sections.out")
58        self.yaml2obj("compressed-sections.yaml", exe)
59        target = self.dbg.CreateTarget(exe)
60        self.assertTrue(target, VALID_TARGET)
61
62        # exe contains a single section with SHF_COMPRESSED. Check that
63        # GetSectionData returns the uncompressed data and not the raw contents
64        # of the section.
65        section = target.modules[0].sections[0]
66        section_data = section.GetSectionData().uint8s
67        self.assertEqual(section_data, [0x20, 0x30, 0x40, 0x50, 0x60, 0x70, 0x80, 0x90])
68