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jasonmolendajasonmolenda
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Add a test to verify that lldb can load a kext binary.
<rdar://problem/46356062> llvm-svn: 348040
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‎lldb/packages/Python/lldbsuite/test/macosx/load-kext/TestLoadKext.py

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"""
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Test loading of a kext binary.
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"""
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from __future__ import print_function
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import shutil
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import struct
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import lldb
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from lldbsuite.test.decorators import *
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from lldbsuite.test.lldbtest import *
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from lldbsuite.test import lldbutil
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class LoadKextTestCase(TestBase):
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NO_DEBUG_INFO_TESTCASE = True
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mydir = TestBase.compute_mydir(__file__)
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def setUp(self):
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TestBase.setUp(self)
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#super(LoadKextTestCase, self).setUp()
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#self._initial_platform = lldb.DBG.GetSelectedPlatform()
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def test_load_kext(self):
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"""Test that lldb can load a kext binary."""
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# Create kext from YAML.
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self.yaml2obj("mykext.yaml", self.getBuildArtifact("mykext"))
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target = self.dbg.CreateTarget(self.getBuildArtifact("mykext"))
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self.assertTrue(target.IsValid())
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self.assertEqual(target.GetNumModules(), 1)
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mod = target.GetModuleAtIndex(0)
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self.assertEqual(mod.GetFileSpec().GetFilename(), "mykext")

‎lldb/packages/Python/lldbsuite/test/macosx/load-kext/mykext.yaml

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--- !mach-o
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FileHeader:
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magic: 0xFEEDFACF
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cputype: 0x01000007
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cpusubtype: 0x00000003
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filetype: 0x0000000B
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ncmds: 7
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sizeofcmds: 520
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flags: 0x00000085
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reserved: 0x00000000
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LoadCommands:
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- cmd: LC_SEGMENT_64
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cmdsize: 152
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segname: __TEXT
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vmaddr: 0
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vmsize: 4096
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fileoff: 0
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filesize: 4096
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maxprot: 7
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initprot: 5
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nsects: 1
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flags: 0
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Sections:
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- sectname: __text
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segname: __TEXT
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addr: 0x0000000000000F60
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size: 158
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offset: 0x00000F60
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align: 4
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reloff: 0x00000000
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nreloc: 0
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flags: 0x80000400
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reserved1: 0x00000000
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reserved2: 0x00000000
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reserved3: 0x00000000
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- cmd: LC_SEGMENT_64
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cmdsize: 152
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segname: __DATA
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vmaddr: 4096
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vmsize: 4096
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fileoff: 4096
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filesize: 4096
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maxprot: 7
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initprot: 3
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nsects: 1
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flags: 0
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Sections:
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- sectname: __data
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segname: __DATA
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addr: 0x0000000000001000
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size: 220
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offset: 0x00001000
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align: 3
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reloff: 0x00000000
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nreloc: 0
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flags: 0x00000000
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reserved1: 0x00000000
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reserved2: 0x00000000
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reserved3: 0x00000000
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- cmd: LC_SEGMENT_64
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cmdsize: 72
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segname: __LINKEDIT
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vmaddr: 8192
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vmsize: 4096
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fileoff: 8192
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filesize: 800
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maxprot: 7
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initprot: 1
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nsects: 0
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flags: 0
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- cmd: LC_SYMTAB
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cmdsize: 24
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symoff: 8224
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nsyms: 19
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stroff: 8528
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strsize: 464
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- cmd: LC_DYSYMTAB
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cmdsize: 80
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ilocalsym: 0
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nlocalsym: 16
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iextdefsym: 16
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nextdefsym: 3
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iundefsym: 19
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nundefsym: 0
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tocoff: 0
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ntoc: 0
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modtaboff: 0
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nmodtab: 0
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extrefsymoff: 0
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nextrefsyms: 0
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indirectsymoff: 0
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nindirectsyms: 0
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extreloff: 0
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nextrel: 0
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locreloff: 8192
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nlocrel: 4
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- cmd: LC_UUID
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cmdsize: 24
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uuid: 17A97B33-09B7-3195-9408-DBD965D578A5
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- cmd: LC_SOURCE_VERSION
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cmdsize: 16
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version: 0
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LinkEditData:
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NameList:
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- n_strx: 40
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n_type: 0x64
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n_sect: 0
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n_desc: 0
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n_value: 0
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- n_strx: 141
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n_type: 0x64
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n_value: 0
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- n_strx: 155
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n_type: 0x66
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n_sect: 3
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n_desc: 1
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n_value: 1543540349
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- n_strx: 276
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n_type: 0x20
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n_sect: 0
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n_desc: 0
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n_value: 0
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- n_strx: 287
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n_type: 0x20
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n_sect: 0
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n_desc: 0
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n_value: 0
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- n_strx: 298
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n_type: 0x20
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n_sect: 0
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n_value: 0
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- n_strx: 309
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n_desc: 0
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n_value: 0
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- n_strx: 1
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n_type: 0x64
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n_sect: 1
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n_desc: 0
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n_value: 0
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- n_strx: 325
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n_type: 0x1E
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n_sect: 1
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n_desc: 0
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n_value: 3992
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- n_strx: 333
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n_type: 0x1E
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n_sect: 1
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n_desc: 0
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n_value: 4018
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- n_strx: 361
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n_sect: 1
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n_desc: 0
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n_value: 4035
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- n_strx: 392
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n_type: 0x1E
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n_sect: 1
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n_desc: 0
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n_value: 4052
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- n_strx: 417
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n_type: 0x1E
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n_sect: 1
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n_desc: 0
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n_value: 4068
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n_type: 0x1E
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n_sect: 2
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n_desc: 0
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n_value: 4296
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n_type: 0x1E
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n_sect: 2
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n_desc: 0
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n_value: 4304
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- n_strx: 446
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n_type: 0x1E
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n_sect: 2
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n_desc: 0
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n_value: 4312
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- n_strx: 2
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n_type: 0x0F
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n_sect: 2
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n_desc: 0
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n_value: 4096
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- n_strx: 13
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n_type: 0x0F
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n_sect: 1
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n_desc: 0
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n_value: 3936
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- n_strx: 27
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n_type: 0x0F
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n_sect: 1
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n_desc: 0
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n_value: 3968
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StringTable:
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- ' '
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- _kmod_info
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- _mykext_start
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- _mykext_stop
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- /tmp/mykext/build/mykext/Build/Intermediates.noindex/mykext.build/Debug/mykext.build/DerivedSources/
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- mykext_info.c
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- /tmp/mykext/build/mykext/Build/Intermediates.noindex/mykext.build/Debug/mykext.build/Objects-normal/x86_64/mykext_info.o
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- _kmod_info
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- __realmain
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- __antimain
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- __kext_apple_cc
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- __start
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- _OSKextGetCurrentIdentifier
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- _OSKextGetCurrentVersionString
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- _OSKextGetCurrentLoadTag
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- __stop
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- __realmain
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- __antimain
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- __kext_apple_cc
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- ''
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- ''
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...

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