| //===-- SymbolTest.cpp ----------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "Plugins/ObjectFile/Mach-O/ObjectFileMachO.h" |
| #include "Plugins/SymbolFile/DWARF/SymbolFileDWARF.h" |
| #include "Plugins/TypeSystem/Clang/TypeSystemClang.h" |
| #include "TestingSupport/SubsystemRAII.h" |
| #include "TestingSupport/TestUtilities.h" |
| |
| #include "lldb/Core/DataFileCache.h" |
| #include "lldb/Core/Module.h" |
| #include "lldb/Host/FileSystem.h" |
| #include "lldb/Host/HostInfo.h" |
| #include "lldb/Symbol/Symbol.h" |
| #include "lldb/Symbol/Symtab.h" |
| #include "lldb/Utility/DataEncoder.h" |
| #include "lldb/Utility/DataExtractor.h" |
| |
| #include <memory> |
| |
| #include "gtest/gtest.h" |
| |
| using namespace lldb; |
| using namespace lldb_private; |
| using namespace lldb_private::plugin::dwarf; |
| |
| class SymtabTest : public testing::Test { |
| SubsystemRAII<FileSystem, HostInfo, ObjectFileMachO, SymbolFileDWARF, |
| TypeSystemClang> |
| subsystem; |
| }; |
| |
| static void EncodeDecode(const Symtab &object, ByteOrder byte_order) { |
| const uint8_t addr_size = 8; |
| DataEncoder file(byte_order, addr_size); |
| |
| object.Encode(file); |
| llvm::ArrayRef<uint8_t> bytes = file.GetData(); |
| DataExtractor data(bytes.data(), bytes.size(), byte_order, addr_size); |
| Symtab decoded_object(object.GetObjectFile()); |
| offset_t data_offset = 0; |
| bool uuid_mismatch = false; |
| decoded_object.Decode(data, &data_offset, uuid_mismatch); |
| ASSERT_EQ(object.GetNumSymbols(), decoded_object.GetNumSymbols()); |
| for (size_t i = 0; i < object.GetNumSymbols(); ++i) |
| EXPECT_EQ(*object.SymbolAtIndex(i), *decoded_object.SymbolAtIndex(i)); |
| } |
| |
| static void EncodeDecode(const Symtab &object) { |
| EncodeDecode(object, eByteOrderLittle); |
| EncodeDecode(object, eByteOrderBig); |
| } |
| |
| TEST_F(SymtabTest, EncodeDecodeSymtab) { |
| |
| auto ExpectedFile = TestFile::fromYaml(R"( |
| --- !mach-o |
| FileHeader: |
| magic: 0xFEEDFACF |
| cputype: 0x100000C |
| cpusubtype: 0x0 |
| filetype: 0x2 |
| ncmds: 17 |
| sizeofcmds: 792 |
| flags: 0x200085 |
| reserved: 0x0 |
| LoadCommands: |
| - cmd: LC_SEGMENT_64 |
| cmdsize: 72 |
| segname: __PAGEZERO |
| vmaddr: 0 |
| vmsize: 4294967296 |
| fileoff: 0 |
| filesize: 0 |
| maxprot: 0 |
| initprot: 0 |
| nsects: 0 |
| flags: 0 |
| - cmd: LC_SEGMENT_64 |
| cmdsize: 232 |
| segname: __TEXT |
| vmaddr: 4294967296 |
| vmsize: 16384 |
| fileoff: 0 |
| filesize: 16384 |
| maxprot: 5 |
| initprot: 5 |
| nsects: 2 |
| flags: 0 |
| Sections: |
| - sectname: __text |
| segname: __TEXT |
| addr: 0x100003F94 |
| size: 36 |
| offset: 0x3F94 |
| align: 2 |
| reloff: 0x0 |
| nreloc: 0 |
| flags: 0x80000400 |
| reserved1: 0x0 |
| reserved2: 0x0 |
| reserved3: 0x0 |
| content: FF8300D1E80300AA00008052FF1F00B9E81B00B9E10B00F9E20700F9FF830091C0035FD6 |
| - sectname: __unwind_info |
| segname: __TEXT |
| addr: 0x100003FB8 |
| size: 72 |
| offset: 0x3FB8 |
| align: 2 |
| reloff: 0x0 |
| nreloc: 0 |
| flags: 0x0 |
| reserved1: 0x0 |
| reserved2: 0x0 |
| reserved3: 0x0 |
| content: 010000001C000000000000001C000000000000001C00000002000000943F00003400000034000000B93F00000000000034000000030000000C000100100001000000000000200002 |
| - cmd: LC_SEGMENT_64 |
| cmdsize: 72 |
| segname: __LINKEDIT |
| vmaddr: 4294983680 |
| vmsize: 16384 |
| fileoff: 16384 |
| filesize: 674 |
| maxprot: 1 |
| initprot: 1 |
| nsects: 0 |
| flags: 0 |
| - cmd: LC_DYLD_CHAINED_FIXUPS |
| cmdsize: 16 |
| dataoff: 16384 |
| datasize: 56 |
| - cmd: LC_DYLD_EXPORTS_TRIE |
| cmdsize: 16 |
| dataoff: 16440 |
| datasize: 48 |
| - cmd: LC_SYMTAB |
| cmdsize: 24 |
| symoff: 16496 |
| nsyms: 10 |
| stroff: 16656 |
| strsize: 128 |
| - cmd: LC_DYSYMTAB |
| cmdsize: 80 |
| ilocalsym: 0 |
| nlocalsym: 8 |
| iextdefsym: 8 |
| nextdefsym: 2 |
| iundefsym: 10 |
| nundefsym: 0 |
| tocoff: 0 |
| ntoc: 0 |
| modtaboff: 0 |
| nmodtab: 0 |
| extrefsymoff: 0 |
| nextrefsyms: 0 |
| indirectsymoff: 0 |
| nindirectsyms: 0 |
| extreloff: 0 |
| nextrel: 0 |
| locreloff: 0 |
| nlocrel: 0 |
| - cmd: LC_LOAD_DYLINKER |
| cmdsize: 32 |
| name: 12 |
| Content: '/usr/lib/dyld' |
| ZeroPadBytes: 7 |
| - cmd: LC_UUID |
| cmdsize: 24 |
| uuid: 1EECD2B8-16EA-3FEC-AB3C-F46139DBD0E2 |
| - cmd: LC_BUILD_VERSION |
| cmdsize: 32 |
| platform: 1 |
| minos: 786432 |
| sdk: 786432 |
| ntools: 1 |
| Tools: |
| - tool: 3 |
| version: 46596096 |
| - cmd: LC_SOURCE_VERSION |
| cmdsize: 16 |
| version: 0 |
| - cmd: LC_MAIN |
| cmdsize: 24 |
| entryoff: 16276 |
| stacksize: 0 |
| - cmd: LC_LOAD_DYLIB |
| cmdsize: 48 |
| dylib: |
| name: 24 |
| timestamp: 2 |
| current_version: 78643968 |
| compatibility_version: 65536 |
| Content: '/usr/lib/libc++.1.dylib' |
| ZeroPadBytes: 1 |
| - cmd: LC_LOAD_DYLIB |
| cmdsize: 56 |
| dylib: |
| name: 24 |
| timestamp: 2 |
| current_version: 85917696 |
| compatibility_version: 65536 |
| Content: '/usr/lib/libSystem.B.dylib' |
| ZeroPadBytes: 6 |
| - cmd: LC_FUNCTION_STARTS |
| cmdsize: 16 |
| dataoff: 16488 |
| datasize: 8 |
| - cmd: LC_DATA_IN_CODE |
| cmdsize: 16 |
| dataoff: 16496 |
| datasize: 0 |
| - cmd: LC_CODE_SIGNATURE |
| cmdsize: 16 |
| dataoff: 16784 |
| datasize: 274 |
| LinkEditData: |
| NameList: |
| - n_strx: 28 |
| n_type: 0x64 |
| n_sect: 0 |
| n_desc: 0 |
| n_value: 0 |
| - n_strx: 64 |
| n_type: 0x64 |
| n_sect: 0 |
| n_desc: 0 |
| n_value: 0 |
| - n_strx: 73 |
| n_type: 0x66 |
| n_sect: 0 |
| n_desc: 1 |
| n_value: 1639532873 |
| - n_strx: 1 |
| n_type: 0x2E |
| n_sect: 1 |
| n_desc: 0 |
| n_value: 4294983572 |
| - n_strx: 115 |
| n_type: 0x24 |
| n_sect: 1 |
| n_desc: 0 |
| n_value: 4294983572 |
| - n_strx: 1 |
| n_type: 0x24 |
| n_sect: 0 |
| n_desc: 0 |
| n_value: 36 |
| - n_strx: 1 |
| n_type: 0x4E |
| n_sect: 1 |
| n_desc: 0 |
| n_value: 36 |
| - n_strx: 1 |
| n_type: 0x64 |
| n_sect: 1 |
| n_desc: 0 |
| n_value: 0 |
| - n_strx: 2 |
| n_type: 0xF |
| n_sect: 1 |
| n_desc: 16 |
| n_value: 4294967296 |
| - n_strx: 22 |
| n_type: 0xF |
| n_sect: 1 |
| n_desc: 0 |
| n_value: 4294983572 |
| StringTable: |
| - ' ' |
| - __mh_execute_header |
| - _main |
| - '/Users/gclayton/Documents/src/args/' |
| - main.cpp |
| - '/Users/gclayton/Documents/src/args/main.o' |
| - _main |
| - '' |
| - '' |
| - '' |
| - '' |
| - '' |
| - '' |
| - '' |
| ... |
| )"); |
| |
| ASSERT_THAT_EXPECTED(ExpectedFile, llvm::Succeeded()); |
| auto module_sp = std::make_shared<Module>(ExpectedFile->moduleSpec()); |
| ObjectFile *objfile = module_sp->GetObjectFile(); |
| ASSERT_NE(objfile, nullptr); |
| |
| // Test encoding and decoding an empty symbol table. |
| Symtab symtab(objfile); |
| symtab.PreloadSymbols(); |
| EncodeDecode(symtab); |
| |
| // Now encode and decode an actual symbol table from our yaml. |
| Symtab *module_symtab = module_sp->GetSymtab(); |
| ASSERT_NE(module_symtab, nullptr); |
| module_symtab->PreloadSymbols(); |
| EncodeDecode(*module_symtab); |
| } |
| |
| TEST_F(SymtabTest, TestDecodeCStringMaps) { |
| // Symbol tables save out the symbols, but they also save out the symbol table |
| // name indexes. These name indexes are a map of sorted ConstString + T pairs |
| // and when they are decoded from a file, they are no longer sorted since |
| // ConstString objects can be sorted by "const char *" and the order in which |
| // these strings are created won't be the same in a new process. We need to |
| // ensure these name lookups happen correctly when we load the name indexes, |
| // so this test loads a symbol table from a cache file from |
| // "lldb/unittests/Symbol/Inputs/indexnames-symtab-cache" and make sure we |
| // can correctly lookup each of the names in the symbol table. |
| auto ExpectedFile = TestFile::fromYaml(R"( |
| --- !mach-o |
| FileHeader: |
| magic: 0xFEEDFACF |
| cputype: 0x100000C |
| cpusubtype: 0x0 |
| filetype: 0x2 |
| ncmds: 16 |
| sizeofcmds: 744 |
| flags: 0x200085 |
| reserved: 0x0 |
| LoadCommands: |
| - cmd: LC_SEGMENT_64 |
| cmdsize: 72 |
| segname: __PAGEZERO |
| vmaddr: 0 |
| vmsize: 4294967296 |
| fileoff: 0 |
| filesize: 0 |
| maxprot: 0 |
| initprot: 0 |
| nsects: 0 |
| flags: 0 |
| - cmd: LC_SEGMENT_64 |
| cmdsize: 232 |
| segname: __TEXT |
| vmaddr: 4294967296 |
| vmsize: 16384 |
| fileoff: 0 |
| filesize: 16384 |
| maxprot: 5 |
| initprot: 5 |
| nsects: 2 |
| flags: 0 |
| Sections: |
| - sectname: __text |
| segname: __TEXT |
| addr: 0x100003F64 |
| size: 76 |
| offset: 0x3F64 |
| align: 2 |
| reloff: 0x0 |
| nreloc: 0 |
| flags: 0x80000400 |
| reserved1: 0x0 |
| reserved2: 0x0 |
| reserved3: 0x0 |
| content: 80018052C0035FD6E0028052C0035FD640048052C0035FD6FF8300D1FD7B01A9FD43009108008052E80B00B9BFC31FB8F4FFFF97F5FFFF97F6FFFF97E00B40B9FD7B41A9FF830091C0035FD6 |
| - sectname: __unwind_info |
| segname: __TEXT |
| addr: 0x100003FB0 |
| size: 80 |
| offset: 0x3FB0 |
| align: 2 |
| reloff: 0x0 |
| nreloc: 0 |
| flags: 0x0 |
| reserved1: 0x0 |
| reserved2: 0x0 |
| reserved3: 0x0 |
| content: 010000001C000000000000001C000000000000001C00000002000000643F00003400000034000000B13F00000000000034000000030000000C0002001400020000000001180000000000000400000002 |
| - cmd: LC_SEGMENT_64 |
| cmdsize: 72 |
| segname: __LINKEDIT |
| vmaddr: 4294983680 |
| vmsize: 16384 |
| fileoff: 16384 |
| filesize: 994 |
| maxprot: 1 |
| initprot: 1 |
| nsects: 0 |
| flags: 0 |
| - cmd: LC_DYLD_CHAINED_FIXUPS |
| cmdsize: 16 |
| dataoff: 16384 |
| datasize: 56 |
| - cmd: LC_DYLD_EXPORTS_TRIE |
| cmdsize: 16 |
| dataoff: 16440 |
| datasize: 80 |
| - cmd: LC_SYMTAB |
| cmdsize: 24 |
| symoff: 16528 |
| nsyms: 25 |
| stroff: 16928 |
| strsize: 176 |
| - cmd: LC_DYSYMTAB |
| cmdsize: 80 |
| ilocalsym: 0 |
| nlocalsym: 20 |
| iextdefsym: 20 |
| nextdefsym: 5 |
| iundefsym: 25 |
| nundefsym: 0 |
| tocoff: 0 |
| ntoc: 0 |
| modtaboff: 0 |
| nmodtab: 0 |
| extrefsymoff: 0 |
| nextrefsyms: 0 |
| indirectsymoff: 0 |
| nindirectsyms: 0 |
| extreloff: 0 |
| nextrel: 0 |
| locreloff: 0 |
| nlocrel: 0 |
| - cmd: LC_LOAD_DYLINKER |
| cmdsize: 32 |
| name: 12 |
| Content: '/usr/lib/dyld' |
| ZeroPadBytes: 7 |
| - cmd: LC_UUID |
| cmdsize: 24 |
| uuid: 3E94866E-0D1A-39BD-975B-64E8F1FDBAAE |
| - cmd: LC_BUILD_VERSION |
| cmdsize: 32 |
| platform: 1 |
| minos: 786432 |
| sdk: 787200 |
| ntools: 1 |
| Tools: |
| - tool: 3 |
| version: 49938432 |
| - cmd: LC_SOURCE_VERSION |
| cmdsize: 16 |
| version: 0 |
| - cmd: LC_MAIN |
| cmdsize: 24 |
| entryoff: 16252 |
| stacksize: 0 |
| - cmd: LC_LOAD_DYLIB |
| cmdsize: 56 |
| dylib: |
| name: 24 |
| timestamp: 2 |
| current_version: 85943299 |
| compatibility_version: 65536 |
| Content: '/usr/lib/libSystem.B.dylib' |
| ZeroPadBytes: 6 |
| - cmd: LC_FUNCTION_STARTS |
| cmdsize: 16 |
| dataoff: 16520 |
| datasize: 8 |
| - cmd: LC_DATA_IN_CODE |
| cmdsize: 16 |
| dataoff: 16528 |
| datasize: 0 |
| - cmd: LC_CODE_SIGNATURE |
| cmdsize: 16 |
| dataoff: 17104 |
| datasize: 274 |
| LinkEditData: |
| NameList: |
| - n_strx: 43 |
| n_type: 0x64 |
| n_sect: 0 |
| n_desc: 0 |
| n_value: 0 |
| - n_strx: 91 |
| n_type: 0x64 |
| n_sect: 0 |
| n_desc: 0 |
| n_value: 0 |
| - n_strx: 98 |
| n_type: 0x66 |
| n_sect: 0 |
| n_desc: 1 |
| n_value: 1651098491 |
| - n_strx: 1 |
| n_type: 0x2E |
| n_sect: 1 |
| n_desc: 0 |
| n_value: 4294983524 |
| - n_strx: 152 |
| n_type: 0x24 |
| n_sect: 1 |
| n_desc: 0 |
| n_value: 4294983524 |
| - n_strx: 1 |
| n_type: 0x24 |
| n_sect: 0 |
| n_desc: 0 |
| n_value: 8 |
| - n_strx: 1 |
| n_type: 0x4E |
| n_sect: 1 |
| n_desc: 0 |
| n_value: 8 |
| - n_strx: 1 |
| n_type: 0x2E |
| n_sect: 1 |
| n_desc: 0 |
| n_value: 4294983532 |
| - n_strx: 157 |
| n_type: 0x24 |
| n_sect: 1 |
| n_desc: 0 |
| n_value: 4294983532 |
| - n_strx: 1 |
| n_type: 0x24 |
| n_sect: 0 |
| n_desc: 0 |
| n_value: 8 |
| - n_strx: 1 |
| n_type: 0x4E |
| n_sect: 1 |
| n_desc: 0 |
| n_value: 8 |
| - n_strx: 1 |
| n_type: 0x2E |
| n_sect: 1 |
| n_desc: 0 |
| n_value: 4294983540 |
| - n_strx: 162 |
| n_type: 0x24 |
| n_sect: 1 |
| n_desc: 0 |
| n_value: 4294983540 |
| - n_strx: 1 |
| n_type: 0x24 |
| n_sect: 0 |
| n_desc: 0 |
| n_value: 8 |
| - n_strx: 1 |
| n_type: 0x4E |
| n_sect: 1 |
| n_desc: 0 |
| n_value: 8 |
| - n_strx: 1 |
| n_type: 0x2E |
| n_sect: 1 |
| n_desc: 0 |
| n_value: 4294983548 |
| - n_strx: 167 |
| n_type: 0x24 |
| n_sect: 1 |
| n_desc: 0 |
| n_value: 4294983548 |
| - n_strx: 1 |
| n_type: 0x24 |
| n_sect: 0 |
| n_desc: 0 |
| n_value: 52 |
| - n_strx: 1 |
| n_type: 0x4E |
| n_sect: 1 |
| n_desc: 0 |
| n_value: 52 |
| - n_strx: 1 |
| n_type: 0x64 |
| n_sect: 1 |
| n_desc: 0 |
| n_value: 0 |
| - n_strx: 2 |
| n_type: 0xF |
| n_sect: 1 |
| n_desc: 16 |
| n_value: 4294967296 |
| - n_strx: 22 |
| n_type: 0xF |
| n_sect: 1 |
| n_desc: 0 |
| n_value: 4294983532 |
| - n_strx: 27 |
| n_type: 0xF |
| n_sect: 1 |
| n_desc: 0 |
| n_value: 4294983540 |
| - n_strx: 32 |
| n_type: 0xF |
| n_sect: 1 |
| n_desc: 0 |
| n_value: 4294983524 |
| - n_strx: 37 |
| n_type: 0xF |
| n_sect: 1 |
| n_desc: 0 |
| n_value: 4294983548 |
| StringTable: |
| - ' ' |
| - __mh_execute_header |
| - _bar |
| - _baz |
| - _foo |
| - _main |
| - '/Users/gclayton/Documents/objfiles/index-names/' |
| - main.c |
| - '/Users/gclayton/Documents/objfiles/index-names/main.o' |
| - _foo |
| - _bar |
| - _baz |
| - _main |
| - '' |
| - '' |
| - '' |
| FunctionStarts: [ 0x3F64, 0x3F6C, 0x3F74, 0x3F7C ] |
| ... |
| )"); |
| // This data was taken from a hex dump of the object file from the above yaml |
| // and hexdumped so we can load the cache data in this test. |
| const uint8_t symtab_cache_bytes[] = { |
| 0x01, 0x10, 0x3e, 0x94, 0x86, 0x6e, 0x0d, 0x1a, |
| 0x39, 0xbd, 0x97, 0x5b, 0x64, 0xe8, 0xf1, 0xfd, |
| 0xba, 0xae, 0xff, 0x53, 0x54, 0x41, 0x42, 0x91, |
| 0x00, 0x00, 0x00, 0x00, 0x2f, 0x55, 0x73, 0x65, |
| 0x72, 0x73, 0x2f, 0x67, 0x63, 0x6c, 0x61, 0x79, |
| 0x74, 0x6f, 0x6e, 0x2f, 0x44, 0x6f, 0x63, 0x75, |
| 0x6d, 0x65, 0x6e, 0x74, 0x73, 0x2f, 0x6f, 0x62, |
| 0x6a, 0x66, 0x69, 0x6c, 0x65, 0x73, 0x2f, 0x69, |
| 0x6e, 0x64, 0x65, 0x78, 0x2d, 0x6e, 0x61, 0x6d, |
| 0x65, 0x73, 0x2f, 0x6d, 0x61, 0x69, 0x6e, 0x2e, |
| 0x63, 0x00, 0x2f, 0x55, 0x73, 0x65, 0x72, 0x73, |
| 0x2f, 0x67, 0x63, 0x6c, 0x61, 0x79, 0x74, 0x6f, |
| 0x6e, 0x2f, 0x44, 0x6f, 0x63, 0x75, 0x6d, 0x65, |
| 0x6e, 0x74, 0x73, 0x2f, 0x6f, 0x62, 0x6a, 0x66, |
| 0x69, 0x6c, 0x65, 0x73, 0x2f, 0x69, 0x6e, 0x64, |
| 0x65, 0x78, 0x2d, 0x6e, 0x61, 0x6d, 0x65, 0x73, |
| 0x2f, 0x6d, 0x61, 0x69, 0x6e, 0x2e, 0x6f, 0x00, |
| 0x66, 0x6f, 0x6f, 0x00, 0x62, 0x61, 0x72, 0x00, |
| 0x62, 0x61, 0x7a, 0x00, 0x6d, 0x61, 0x69, 0x6e, |
| 0x00, 0x5f, 0x6d, 0x68, 0x5f, 0x65, 0x78, 0x65, |
| 0x63, 0x75, 0x74, 0x65, 0x5f, 0x68, 0x65, 0x61, |
| 0x64, 0x65, 0x72, 0x00, 0x53, 0x59, 0x4d, 0x42, |
| 0x01, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x2a, |
| 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x64, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x0a, 0x20, 0x01, 0x37, 0x00, 0x00, 0x00, 0x00, |
| 0x7b, 0xc3, 0x69, 0x62, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x01, 0x00, 0x66, 0x00, 0x04, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x02, 0x32, 0x01, 0x6d, 0x00, 0x00, |
| 0x00, 0x01, 0x64, 0x3f, 0x00, 0x00, 0x01, 0x00, |
| 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x0f, 0x00, 0x08, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x02, 0x32, 0x01, 0x71, |
| 0x00, 0x00, 0x00, 0x01, 0x6c, 0x3f, 0x00, 0x00, |
| 0x01, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x00, |
| 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x32, |
| 0x01, 0x75, 0x00, 0x00, 0x00, 0x01, 0x74, 0x3f, |
| 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x08, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x0f, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x02, 0x32, 0x01, 0x79, 0x00, 0x00, 0x00, 0x01, |
| 0x7c, 0x3f, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, |
| 0x34, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x0f, 0x00, 0x14, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x04, 0x12, 0x02, 0x7e, 0x00, 0x00, |
| 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, |
| 0x00, 0x00, 0x64, 0x3f, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x10, 0x00, 0x0f, 0x00, 0x01, 0x00, |
| 0x43, 0x4d, 0x41, 0x50, 0x07, 0x00, 0x00, 0x00, |
| 0x6d, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, |
| 0x75, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, |
| 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x79, 0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, |
| 0x37, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, |
| 0x71, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, |
| 0x7e, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00 |
| }; |
| |
| ASSERT_THAT_EXPECTED(ExpectedFile, llvm::Succeeded()); |
| auto module_sp = std::make_shared<Module>(ExpectedFile->moduleSpec()); |
| ObjectFile *objfile = module_sp->GetObjectFile(); |
| ASSERT_NE(objfile, nullptr); |
| |
| // Test encoding and decoding an empty symbol table. |
| DataExtractor data(symtab_cache_bytes, sizeof(symtab_cache_bytes), |
| eByteOrderLittle, 8); |
| Symtab symtab(objfile); |
| offset_t data_offset = 0; |
| bool uuid_mismatch = false; // Gets set to true if signature doesn't match. |
| const bool success = symtab.Decode(data, &data_offset, uuid_mismatch); |
| ASSERT_EQ(success, true); |
| ASSERT_EQ(uuid_mismatch, false); |
| |
| // Now make sure that name lookup works for all symbols. This indicates that |
| // the Symtab::NameToIndexMap was decoded correctly and works as expected. |
| Symbol *symbol = nullptr; |
| symbol = symtab.FindFirstSymbolWithNameAndType(ConstString("main"), |
| eSymbolTypeCode, |
| Symtab::eDebugAny, |
| Symtab::eVisibilityAny); |
| ASSERT_NE(symbol, nullptr); |
| symbol = symtab.FindFirstSymbolWithNameAndType(ConstString("foo"), |
| eSymbolTypeCode, |
| Symtab::eDebugAny, |
| Symtab::eVisibilityAny); |
| ASSERT_NE(symbol, nullptr); |
| symbol = symtab.FindFirstSymbolWithNameAndType(ConstString("bar"), |
| eSymbolTypeCode, |
| Symtab::eDebugAny, |
| Symtab::eVisibilityAny); |
| ASSERT_NE(symbol, nullptr); |
| symbol = symtab.FindFirstSymbolWithNameAndType(ConstString("baz"), |
| eSymbolTypeCode, |
| Symtab::eDebugAny, |
| Symtab::eVisibilityAny); |
| ASSERT_NE(symbol, nullptr); |
| } |
