# struct Type {}; # # template struct _Optional_payload; # # template struct _Optional_payload<_Tp, true, false, false> {}; # # template # struct _Optional_payload<_Tp, false, _Copy, _Move> # : _Optional_payload<_Tp, true, false, false> {}; # # int main() { # _Optional_payload X; # } # # YAML generated on Linux using obj2yaml on the above program compiled with # G++. This is malformed DWARF that is missing DW_TAG_template_value_parameter # entries, which is important for the test because that makes the two # specializations look like identical structure definitions. --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_DYN Machine: EM_X86_64 Entry: 0x1040 ProgramHeaders: - Type: PT_PHDR Flags: [ PF_R ] VAddr: 0x40 Align: 0x8 Offset: 0x40 - Type: PT_INTERP Flags: [ PF_R ] FirstSec: .interp LastSec: .interp VAddr: 0x318 Offset: 0x318 - Type: PT_LOAD Flags: [ PF_R ] FirstSec: .interp LastSec: .rela.dyn Align: 0x1000 Offset: 0x0 - Type: PT_LOAD Flags: [ PF_X, PF_R ] FirstSec: .init LastSec: .fini VAddr: 0x1000 Align: 0x1000 Offset: 0x1000 - Type: PT_LOAD Flags: [ PF_R ] FirstSec: .rodata LastSec: .eh_frame VAddr: 0x2000 Align: 0x1000 Offset: 0x2000 - Type: PT_LOAD Flags: [ PF_W, PF_R ] FirstSec: .init_array LastSec: .bss VAddr: 0x3DF0 Align: 0x1000 Offset: 0x2DF0 - Type: PT_DYNAMIC Flags: [ PF_W, PF_R ] FirstSec: .dynamic LastSec: .dynamic VAddr: 0x3E00 Align: 0x8 Offset: 0x2E00 - Type: PT_NOTE Flags: [ PF_R ] FirstSec: .note.gnu.property LastSec: .note.gnu.property VAddr: 0x338 Align: 0x8 Offset: 0x338 - Type: PT_NOTE Flags: [ PF_R ] FirstSec: .note.gnu.build-id LastSec: .note.ABI-tag VAddr: 0x358 Align: 0x4 Offset: 0x358 - Type: PT_GNU_PROPERTY Flags: [ PF_R ] FirstSec: .note.gnu.property LastSec: .note.gnu.property VAddr: 0x338 Align: 0x8 Offset: 0x338 - Type: PT_GNU_EH_FRAME Flags: [ PF_R ] FirstSec: .eh_frame_hdr LastSec: .eh_frame_hdr VAddr: 0x2004 Align: 0x4 Offset: 0x2004 - Type: PT_GNU_STACK Flags: [ PF_W, PF_R ] Align: 0x10 Offset: 0x0 - Type: PT_GNU_RELRO Flags: [ PF_R ] FirstSec: .init_array LastSec: .got VAddr: 0x3DF0 Offset: 0x2DF0 Sections: - Name: .interp Type: SHT_PROGBITS Flags: [ SHF_ALLOC ] Address: 0x318 AddressAlign: 0x1 Content: 2F6C696236342F6C642D6C696E75782D7838362D36342E736F2E3200 - Name: .note.gnu.property Type: SHT_NOTE Flags: [ SHF_ALLOC ] Address: 0x338 AddressAlign: 0x8 Notes: - Name: GNU Desc: 020000C0040000000300000000000000 Type: NT_GNU_PROPERTY_TYPE_0 - Name: .note.gnu.build-id Type: SHT_NOTE Flags: [ SHF_ALLOC ] Address: 0x358 AddressAlign: 0x4 Notes: - Name: GNU Desc: AF3A83002F03E80537DCB46B3E56062984AD2629 Type: NT_PRPSINFO - Name: .note.ABI-tag Type: SHT_NOTE Flags: [ SHF_ALLOC ] Address: 0x37C AddressAlign: 0x4 Notes: - Name: GNU Desc: '00000000030000000200000000000000' Type: NT_VERSION - Name: .gnu.hash Type: SHT_GNU_HASH Flags: [ SHF_ALLOC ] Address: 0x3A0 Link: .dynsym AddressAlign: 0x8 Header: SymNdx: 0x5 Shift2: 0x6 BloomFilter: [ 0x810000 ] HashBuckets: [ 0x5, 0x0 ] HashValues: [ 0x6DCE65D1 ] - Name: .dynsym Type: SHT_DYNSYM Flags: [ SHF_ALLOC ] Address: 0x3C8 Link: .dynstr AddressAlign: 0x8 - Name: .dynstr Type: SHT_STRTAB Flags: [ SHF_ALLOC ] Address: 0x458 AddressAlign: 0x1 - Name: .gnu.version Type: SHT_GNU_versym Flags: [ SHF_ALLOC ] Address: 0x4D6 Link: .dynsym AddressAlign: 0x2 Entries: [ 0, 0, 2, 0, 0, 2 ] - Name: .gnu.version_r Type: SHT_GNU_verneed Flags: [ SHF_ALLOC ] Address: 0x4E8 Link: .dynstr AddressAlign: 0x8 Dependencies: - Version: 1 File: libc.so.6 Entries: - Name: GLIBC_2.2.5 Hash: 157882997 Flags: 0 Other: 2 - Name: .rela.dyn Type: SHT_RELA Flags: [ SHF_ALLOC ] Address: 0x508 Link: .dynsym AddressAlign: 0x8 Relocations: - Offset: 0x3DF0 Type: R_X86_64_RELATIVE Addend: 4384 - Offset: 0x3DF8 Type: R_X86_64_RELATIVE Addend: 4320 - Offset: 0x4008 Type: R_X86_64_RELATIVE Addend: 16392 - Offset: 0x3FD8 Symbol: _ITM_deregisterTMCloneTable Type: R_X86_64_GLOB_DAT - Offset: 0x3FE0 Symbol: __libc_start_main Type: R_X86_64_GLOB_DAT - Offset: 0x3FE8 Symbol: __gmon_start__ Type: R_X86_64_GLOB_DAT - Offset: 0x3FF0 Symbol: _ITM_registerTMCloneTable Type: R_X86_64_GLOB_DAT - Offset: 0x3FF8 Symbol: __cxa_finalize Type: R_X86_64_GLOB_DAT - Name: .init Type: SHT_PROGBITS Flags: [ SHF_ALLOC, SHF_EXECINSTR ] Address: 0x1000 AddressAlign: 0x4 Offset: 0x1000 Content: F30F1EFA4883EC08488B05D92F00004885C07402FFD04883C408C3 - Name: .plt Type: SHT_PROGBITS Flags: [ SHF_ALLOC, SHF_EXECINSTR ] Address: 0x1020 AddressAlign: 0x10 EntSize: 0x10 Content: FF35A22F0000F2FF25A32F00000F1F00 - Name: .plt.got Type: SHT_PROGBITS Flags: [ SHF_ALLOC, SHF_EXECINSTR ] Address: 0x1030 AddressAlign: 0x10 EntSize: 0x10 Content: F30F1EFAF2FF25BD2F00000F1F440000 - Name: .text Type: SHT_PROGBITS Flags: [ SHF_ALLOC, SHF_EXECINSTR ] Address: 0x1040 AddressAlign: 0x10 Content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ame: .fini Type: SHT_PROGBITS Flags: [ SHF_ALLOC, SHF_EXECINSTR ] Address: 0x11B8 AddressAlign: 0x4 Content: F30F1EFA4883EC084883C408C3 - Name: .rodata Type: SHT_PROGBITS Flags: [ SHF_ALLOC, SHF_MERGE ] Address: 0x2000 AddressAlign: 0x4 EntSize: 0x4 Offset: 0x2000 Content: '01000200' - Name: .eh_frame_hdr Type: SHT_PROGBITS Flags: [ SHF_ALLOC ] Address: 0x2004 AddressAlign: 0x4 Content: 011B033B38000000060000001CF0FFFF6C0000002CF0FFFF940000003CF0FFFF5400000025F1FFFFAC0000003CF1FFFFCC000000ACF1FFFF14010000 - Name: .eh_frame Type: SHT_PROGBITS Flags: [ SHF_ALLOC ] Address: 0x2040 AddressAlign: 0x8 Content: 1400000000000000017A5200017810011B0C070890010000140000001C000000E0EFFFFF2F00000000440710000000002400000034000000A8EFFFFF10000000000E10460E184A0F0B770880003F1A3A2A33242200000000140000005C00000090EFFFFF1000000000000000000000001C0000007400000071F0FFFF0F00000000450E108602430D06460C0708000000440000009400000068F0FFFF6500000000460E108F02490E188E03450E208D04450E288C05440E308606480E388307470E406E0E38410E30410E28420E20420E18420E10420E080010000000DC00000090F0FFFF050000000000000000000000 - Name: .init_array Type: SHT_INIT_ARRAY Flags: [ SHF_WRITE, SHF_ALLOC ] Address: 0x3DF0 AddressAlign: 0x8 EntSize: 0x8 Offset: 0x2DF0 Content: '2011000000000000' - Name: .fini_array Type: SHT_FINI_ARRAY Flags: [ SHF_WRITE, SHF_ALLOC ] Address: 0x3DF8 AddressAlign: 0x8 EntSize: 0x8 Content: E010000000000000 - Name: .dynamic Type: SHT_DYNAMIC Flags: [ SHF_WRITE, SHF_ALLOC ] Address: 0x3E00 Link: .dynstr AddressAlign: 0x8 Entries: - Tag: DT_NEEDED Value: 0x1 - Tag: DT_INIT Value: 0x1000 - Tag: DT_FINI Value: 0x11B8 - Tag: DT_INIT_ARRAY Value: 0x3DF0 - Tag: DT_INIT_ARRAYSZ Value: 0x8 - Tag: DT_FINI_ARRAY Value: 0x3DF8 - Tag: DT_FINI_ARRAYSZ Value: 0x8 - Tag: DT_GNU_HASH Value: 0x3A0 - Tag: DT_STRTAB Value: 0x458 - Tag: DT_SYMTAB Value: 0x3C8 - Tag: DT_STRSZ Value: 0x7D - Tag: DT_SYMENT Value: 0x18 - Tag: DT_DEBUG Value: 0x0 - Tag: DT_PLTGOT Value: 0x3FC0 - Tag: DT_RELA Value: 0x508 - Tag: DT_RELASZ Value: 0xC0 - Tag: DT_RELAENT Value: 0x18 - Tag: DT_FLAGS Value: 0x8 - Tag: DT_FLAGS_1 Value: 0x8000001 - Tag: DT_VERNEED Value: 0x4E8 - Tag: DT_VERNEEDNUM Value: 0x1 - Tag: DT_VERSYM Value: 0x4D6 - Tag: DT_RELACOUNT Value: 0x3 - Tag: DT_NULL Value: 0x0 - Tag: DT_NULL Value: 0x0 - Tag: DT_NULL Value: 0x0 - Tag: DT_NULL Value: 0x0 - Tag: DT_NULL Value: 0x0 - Name: .got Type: SHT_PROGBITS Flags: [ SHF_WRITE, SHF_ALLOC ] Address: 0x3FC0 AddressAlign: 0x8 EntSize: 0x8 Content: '003E0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' - Name: .data Type: SHT_PROGBITS Flags: [ SHF_WRITE, SHF_ALLOC ] Address: 0x4000 AddressAlign: 0x8 Content: '00000000000000000840000000000000' - Name: .bss Type: SHT_NOBITS Flags: [ SHF_WRITE, SHF_ALLOC ] Address: 0x4010 AddressAlign: 0x1 Size: 0x8 - Name: .comment Type: SHT_PROGBITS Flags: [ SHF_MERGE, SHF_STRINGS ] AddressAlign: 0x1 EntSize: 0x1 Content: 4743433A20285562756E747520392E342E302D317562756E7475317E32302E30342E322920392E342E3000 - Name: .debug_info Type: SHT_PROGBITS AddressAlign: 0x1 Content: 9E00000004000000000008013A0000000431000000FE00000029110000000000000F000000000000000000000002000000000101010803D2000000010105204D000000045F5470002D000000000305000000010108086A000000053600000000045F5470002D0000000006CD000000010B059A00000029110000000000000F00000000000000019C9A000000075800010C2F4D00000002916F00080405696E740000 - Name: .debug_abbrev Type: SHT_PROGBITS AddressAlign: 0x1 Content: 011101250E130B030E1B0E1101120710170000021300030E0B0B3A0B3B0B390B0000031301030E0B0B3A0B3B0B390B01130000042F00030849130000051C004913380B0000062E013F19030E3A0B3B0B390B49131101120740189742190113000007340003083A0B3B0B390B4913021800000824000B0B3E0B0308000000 - Name: .debug_line Type: SHT_PROGBITS AddressAlign: 0x1 Content: 3D00000003001F0000000101FB0E0D000101010100000001000001006D61696E2E6370700000000000050C0009022911000000000000030A010501840207000101 Symbols: - Name: .interp Type: STT_SECTION Section: .interp Value: 0x318 - Name: .note.gnu.property Type: STT_SECTION Section: .note.gnu.property Value: 0x338 - Name: .note.gnu.build-id Type: STT_SECTION Section: .note.gnu.build-id Value: 0x358 - Name: .note.ABI-tag Type: STT_SECTION Section: .note.ABI-tag Value: 0x37C - Name: .gnu.hash Type: STT_SECTION Section: .gnu.hash Value: 0x3A0 - Name: .dynsym Type: STT_SECTION Section: .dynsym Value: 0x3C8 - Name: .dynstr Type: STT_SECTION Section: .dynstr Value: 0x458 - Name: .gnu.version Type: STT_SECTION Section: .gnu.version Value: 0x4D6 - Name: .gnu.version_r Type: STT_SECTION Section: .gnu.version_r Value: 0x4E8 - Name: .rela.dyn Type: STT_SECTION Section: .rela.dyn Value: 0x508 - Name: .init Type: STT_SECTION Section: .init Value: 0x1000 - Name: .plt Type: STT_SECTION Section: .plt Value: 0x1020 - Name: .plt.got Type: STT_SECTION Section: .plt.got Value: 0x1030 - Name: .text Type: STT_SECTION Section: .text Value: 0x1040 - Name: .fini Type: STT_SECTION Section: .fini Value: 0x11B8 - Name: .rodata Type: STT_SECTION Section: .rodata Value: 0x2000 - Name: .eh_frame_hdr Type: STT_SECTION Section: .eh_frame_hdr Value: 0x2004 - Name: .eh_frame Type: STT_SECTION Section: .eh_frame Value: 0x2040 - Name: .init_array Type: STT_SECTION Section: .init_array Value: 0x3DF0 - Name: .fini_array Type: STT_SECTION Section: .fini_array Value: 0x3DF8 - Name: .dynamic Type: STT_SECTION Section: .dynamic Value: 0x3E00 - Name: .got Type: STT_SECTION Section: .got Value: 0x3FC0 - Name: .data Type: STT_SECTION Section: .data Value: 0x4000 - Name: .bss Type: STT_SECTION Section: .bss Value: 0x4010 - Name: .comment Type: STT_SECTION Section: .comment - Name: .debug_aranges Type: STT_SECTION Section: .debug_aranges - Name: .debug_info Type: STT_SECTION Section: .debug_info - Name: .debug_abbrev Type: STT_SECTION Section: .debug_abbrev - Name: .debug_line Type: STT_SECTION Section: .debug_line - Name: .debug_str Type: STT_SECTION Section: .debug_str - Name: crtstuff.c Type: STT_FILE Index: SHN_ABS - Name: deregister_tm_clones Type: STT_FUNC Section: .text Value: 0x1070 - Name: register_tm_clones Type: STT_FUNC Section: .text Value: 0x10A0 - Name: __do_global_dtors_aux Type: STT_FUNC Section: .text Value: 0x10E0 - Name: completed.8061 Type: STT_OBJECT Section: .bss Value: 0x4010 Size: 0x1 - Name: __do_global_dtors_aux_fini_array_entry Type: STT_OBJECT Section: .fini_array Value: 0x3DF8 - Name: frame_dummy Type: STT_FUNC Section: .text Value: 0x1120 - Name: __frame_dummy_init_array_entry Type: STT_OBJECT Section: .init_array Value: 0x3DF0 - Name: main.cpp Type: STT_FILE Index: SHN_ABS - Name: 'crtstuff.c (1)' Type: STT_FILE Index: SHN_ABS - Name: __FRAME_END__ Type: STT_OBJECT Section: .eh_frame Value: 0x212C - Type: STT_FILE Index: SHN_ABS - Name: __init_array_end Section: .init_array Value: 0x3DF8 - Name: _DYNAMIC Type: STT_OBJECT Section: .dynamic Value: 0x3E00 - Name: __init_array_start Section: .init_array Value: 0x3DF0 - Name: __GNU_EH_FRAME_HDR Section: .eh_frame_hdr Value: 0x2004 - Name: _GLOBAL_OFFSET_TABLE_ Type: STT_OBJECT Section: .got Value: 0x3FC0 - Name: _init Type: STT_FUNC Section: .init Value: 0x1000 - Name: __libc_csu_fini Type: STT_FUNC Section: .text Binding: STB_GLOBAL Value: 0x11B0 Size: 0x5 - Name: _ITM_deregisterTMCloneTable Binding: STB_WEAK - Name: data_start Section: .data Binding: STB_WEAK Value: 0x4000 - Name: _edata Section: .data Binding: STB_GLOBAL Value: 0x4010 - Name: _fini Type: STT_FUNC Section: .fini Binding: STB_GLOBAL Value: 0x11B8 Other: [ STV_HIDDEN ] - Name: '__libc_start_main@@GLIBC_2.2.5' Type: STT_FUNC Binding: STB_GLOBAL - Name: __data_start Section: .data Binding: STB_GLOBAL Value: 0x4000 - Name: __gmon_start__ Binding: STB_WEAK - Name: __dso_handle Type: STT_OBJECT Section: .data Binding: STB_GLOBAL Value: 0x4008 Other: [ STV_HIDDEN ] - Name: _IO_stdin_used Type: STT_OBJECT Section: .rodata Binding: STB_GLOBAL Value: 0x2000 Size: 0x4 - Name: __libc_csu_init Type: STT_FUNC Section: .text Binding: STB_GLOBAL Value: 0x1140 Size: 0x65 - Name: _end Section: .bss Binding: STB_GLOBAL Value: 0x4018 - Name: _start Type: STT_FUNC Section: .text Binding: STB_GLOBAL Value: 0x1040 Size: 0x2F - Name: __bss_start Section: .bss Binding: STB_GLOBAL Value: 0x4010 - Name: main Type: STT_FUNC Section: .text Binding: STB_GLOBAL Value: 0x1129 Size: 0xF - Name: __TMC_END__ Type: STT_OBJECT Section: .data Binding: STB_GLOBAL Value: 0x4010 Other: [ STV_HIDDEN ] - Name: _ITM_registerTMCloneTable Binding: STB_WEAK - Name: '__cxa_finalize@@GLIBC_2.2.5' Type: STT_FUNC Binding: STB_WEAK DynamicSymbols: - Name: _ITM_deregisterTMCloneTable Binding: STB_WEAK - Name: __libc_start_main Type: STT_FUNC Binding: STB_GLOBAL - Name: __gmon_start__ Binding: STB_WEAK - Name: _ITM_registerTMCloneTable Binding: STB_WEAK - Name: __cxa_finalize Type: STT_FUNC Binding: STB_WEAK DWARF: debug_str: - Type - '_Optional_payload' - main.cpp - 'GNU C++14 9.4.0 -mtune=generic -march=x86-64 -g -O0 -fasynchronous-unwind-tables -fstack-protector-strong -fstack-clash-protection -fcf-protection' - main - '_Optional_payload' - '/root/os-llvm/llvm-project' debug_aranges: - Length: 0x2C Version: 2 CuOffset: 0x0 AddressSize: 0x8 Descriptors: - Address: 0x1129 Length: 0xF ...