| # debug-names.s was generated with: |
| |
| # - clang++ -g -O0 -gpubnames -fdebug-compilation-dir='/proc/self/cwd' \ |
| # -S a.cpp -o a.s |
| |
| # a.cpp contents: |
| |
| # struct t1 { }; |
| # void f1(t1) { } |
| |
| # REQUIRES: x86 |
| # RUN: rm -rf %t && split-file %s %t && cd %t |
| # RUN: llvm-mc -filetype=obj -triple=x86_64 --crel a.s -o a.o |
| # RUN: llvm-mc -filetype=obj -triple=x86_64 b.s -o b.o |
| |
| # RUN: ld.lld --debug-names --no-debug-names a.o b.o -o out0 |
| # RUN: llvm-readelf -SW out0 | FileCheck %s --check-prefix=NO_MERGE |
| |
| # NO_MERGE: Name Type Address Off Size ES Flg Lk Inf Al |
| # NO_MERGE: .debug_names PROGBITS 0000000000000000 [[#%x,]] 000110 00 0 0 4 |
| |
| # RUN: ld.lld --debug-names a.o b.o -o out |
| |
| # RUN: llvm-dwarfdump -debug-names out | FileCheck %s --check-prefix=DWARF |
| # RUN: llvm-readelf -SW out | FileCheck %s --check-prefix=READELF |
| |
| ## Test we can handle concatenated .debug_names. |
| # RUN: ld.lld -r a.o b.o -o ab.o |
| # RUN: ld.lld --debug-names ab.o -o out1 |
| # RUN: llvm-dwarfdump -debug-names out1 | FileCheck %s --check-prefix=DWARF |
| |
| # READELF: Name Type Address Off Size ES Flg Lk Inf Al |
| # READELF: .debug_names PROGBITS 0000000000000000 [[#%x,]] 0000cc 00 0 0 4 |
| |
| ## Test we can handle compressed input and --compress-debug-sections compresses output .debug_names. |
| # RUN: %if zlib %{ llvm-objcopy --compress-debug-sections=zlib a.o a.zlib.o %} |
| # RUN: %if zlib %{ ld.lld --debug-names --compress-debug-sections=zlib a.zlib.o b.o -o out.zlib %} |
| # RUN: %if zlib %{ llvm-readelf -S out.zlib | FileCheck %s --check-prefix=READELF-ZLIB %} |
| # RUN: %if zlib %{ llvm-objcopy --decompress-debug-sections out.zlib out.zlib.de %} |
| # RUN: %if zlib %{ llvm-dwarfdump -debug-names out.zlib.de | FileCheck %s --check-prefix=DWARF %} |
| |
| # READELF-ZLIB: Name Type Address Off Size ES Flg Lk Inf Al |
| # READELF-ZLIB: .debug_names PROGBITS 0000000000000000 [[#%x,]] [[#%x,]] 00 C 0 0 1 |
| |
| # DWARF: .debug_names contents: |
| # DWARF: Name Index @ 0x0 { |
| # DWARF-NEXT: Header { |
| # DWARF-NEXT: Length: 0xC8 |
| # DWARF-NEXT: Format: DWARF32 |
| # DWARF-NEXT: Version: 5 |
| # DWARF-NEXT: CU count: 2 |
| # DWARF-NEXT: Local TU count: 0 |
| # DWARF-NEXT: Foreign TU count: 0 |
| # DWARF-NEXT: Bucket count: 5 |
| # DWARF-NEXT: Name count: 5 |
| # DWARF-NEXT: Abbreviations table size: 0x1F |
| # DWARF-NEXT: Augmentation: 'LLVM0700' |
| # DWARF: Compilation Unit offsets [ |
| # DWARF-NEXT: CU[0]: 0x00000000 |
| # DWARF-NEXT: CU[1]: 0x0000000c |
| # DWARF: Abbreviations [ |
| # DWARF-NEXT: Abbreviation 0x1 { |
| # DWARF: Tag: DW_TAG_structure_type |
| # DWARF-NEXT: DW_IDX_die_offset: DW_FORM_ref4 |
| # DWARF-NEXT: DW_IDX_parent: DW_FORM_flag_present |
| # DWARF-NEXT: DW_IDX_compile_unit: DW_FORM_data1 |
| # DWARF: Abbreviation 0x2 { |
| # DWARF-NEXT: Tag: DW_TAG_subprogram |
| # DWARF-NEXT: DW_IDX_die_offset: DW_FORM_ref4 |
| # DWARF-NEXT: DW_IDX_parent: DW_FORM_flag_present |
| # DWARF-NEXT: DW_IDX_compile_unit: DW_FORM_data1 |
| # DWARF: Abbreviation 0x3 { |
| # DWARF-NEXT: Tag: DW_TAG_base_type |
| # DWARF-NEXT: DW_IDX_die_offset: DW_FORM_ref4 |
| # DWARF-NEXT: DW_IDX_parent: DW_FORM_flag_present |
| # DWARF-NEXT: DW_IDX_compile_unit: DW_FORM_data1 |
| # DWARF: Bucket 0 [ |
| # DWARF-NEXT: EMPTY |
| # DWARF-NEXT: ] |
| # DWARF-NEXT: Bucket 1 [ |
| # DWARF-NEXT: Name 1 { |
| # DWARF-NEXT: Hash: 0x59796A |
| # DWARF-NEXT: String: 0x00000089 "t1" |
| # DWARF-NEXT: Entry @ 0xaa { |
| # DWARF-NEXT: Abbrev: 0x1 |
| # DWARF-NEXT: Tag: DW_TAG_structure_type |
| # DWARF-NEXT: DW_IDX_die_offset: 0x0000003a |
| # DWARF-NEXT: DW_IDX_parent: <parent not indexed> |
| # DWARF-NEXT: DW_IDX_compile_unit: 0x00 |
| # DWARF-NEXT: } |
| # DWARF-NEXT: Entry @ 0xb0 { |
| # DWARF-NEXT: Abbrev: 0x1 |
| # DWARF-NEXT: Tag: DW_TAG_structure_type |
| # DWARF-NEXT: DW_IDX_die_offset: 0x00000042 |
| # DWARF-NEXT: DW_IDX_parent: <parent not indexed> |
| # DWARF-NEXT: DW_IDX_compile_unit: 0x01 |
| # DWARF-NEXT: } |
| # DWARF-NEXT: } |
| # DWARF-NEXT: Name 2 { |
| # DWARF-NEXT: Hash: 0x5355B2BE |
| # DWARF-NEXT: String: 0x00000080 "_Z2f12t1" |
| # DWARF-NEXT: Entry @ 0xbe { |
| # DWARF-NEXT: Abbrev: 0x2 |
| # DWARF-NEXT: Tag: DW_TAG_subprogram |
| # DWARF-NEXT: DW_IDX_die_offset: 0x00000023 |
| # DWARF-NEXT: DW_IDX_parent: <parent not indexed> |
| # DWARF-NEXT: DW_IDX_compile_unit: 0x00 |
| # DWARF-NEXT: } |
| # DWARF-NEXT: } |
| # DWARF-NEXT: Name 3 { |
| # DWARF-NEXT: Hash: 0x7C9A7F6A |
| # DWARF-NEXT: String: 0x00000111 "main" |
| # DWARF-NEXT: Entry @ 0xc5 { |
| # DWARF-NEXT: Abbrev: 0x2 |
| # DWARF-NEXT: Tag: DW_TAG_subprogram |
| # DWARF-NEXT: DW_IDX_die_offset: 0x00000023 |
| # DWARF-NEXT: DW_IDX_parent: <parent not indexed> |
| # DWARF-NEXT: DW_IDX_compile_unit: 0x01 |
| # DWARF-NEXT: } |
| # DWARF-NEXT: } |
| # DWARF-NEXT: ] |
| # DWARF-NEXT: Bucket 2 [ |
| # DWARF-NEXT: EMPTY |
| # DWARF-NEXT: ] |
| # DWARF-NEXT: Bucket 3 [ |
| # DWARF-NEXT: Name 4 { |
| # DWARF-NEXT: Hash: 0xB888030 |
| # DWARF-NEXT: String: 0x00000116 "int" |
| # DWARF-NEXT: Entry @ 0xb7 { |
| # DWARF-NEXT: Abbrev: 0x3 |
| # DWARF-NEXT: Tag: DW_TAG_base_type |
| # DWARF-NEXT: DW_IDX_die_offset: 0x0000003e |
| # DWARF-NEXT: DW_IDX_parent: <parent not indexed> |
| # DWARF-NEXT: DW_IDX_compile_unit: 0x01 |
| # DWARF-NEXT: } |
| # DWARF-NEXT: } |
| # DWARF-NEXT: ] |
| # DWARF-NEXT: Bucket 4 [ |
| # DWARF-NEXT: Name 5 { |
| # DWARF-NEXT: Hash: 0x59779C |
| # DWARF-NEXT: String: 0x0000007d "f1" |
| # DWARF-NEXT: Entry @ 0xa3 { |
| # DWARF-NEXT: Abbrev: 0x2 |
| # DWARF-NEXT: Tag: DW_TAG_subprogram |
| # DWARF-NEXT: DW_IDX_die_offset: 0x00000023 |
| # DWARF-NEXT: DW_IDX_parent: <parent not indexed> |
| # DWARF-NEXT: DW_IDX_compile_unit: 0x00 |
| # DWARF-NEXT: } |
| # DWARF-NEXT: } |
| # DWARF-NEXT: ] |
| |
| #--- a.s |
| .text |
| .globl _Z2f12t1 # -- Begin function _Z2f12t1 |
| .p2align 4, 0x90 |
| .type _Z2f12t1,@function |
| _Z2f12t1: # @_Z2f12t1 |
| .Lfunc_begin0: |
| .cfi_startproc |
| # %bb.0: # %entry |
| pushq %rbp |
| .cfi_def_cfa_offset 16 |
| .cfi_offset %rbp, -16 |
| movq %rsp, %rbp |
| .cfi_def_cfa_register %rbp |
| .Ltmp0: |
| popq %rbp |
| .cfi_def_cfa %rsp, 8 |
| retq |
| .Ltmp1: |
| .Lfunc_end0: |
| .size _Z2f12t1, .Lfunc_end0-_Z2f12t1 |
| .cfi_endproc |
| # -- End function |
| .section .debug_abbrev,"",@progbits |
| .byte 0 # EOM(1) |
| .byte 0 # EOM(2) |
| .byte 0 # EOM(3) |
| .section .debug_info,"",@progbits |
| .Lcu_begin0: |
| .long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit |
| .Ldebug_info_start0: |
| .short 5 # DWARF version number |
| .byte 1 # DWARF Unit Type |
| .byte 8 # Address Size (in bytes) |
| .long .debug_abbrev # Offset Into Abbrev. Section |
| .Ldebug_info_end0: |
| .section .debug_str_offsets,"",@progbits |
| .long 28 # Length of String Offsets Set |
| .short 5 |
| .short 0 |
| .Lstr_offsets_base0: |
| .section .debug_str,"MS",@progbits,1 |
| .Linfo_string0: |
| .asciz "clang version 19.0.0git (git@github.com:llvm/llvm-project.git 53b14cd9ce2b57da73d173fc876d2e9e199f5640)" # string offset=0 |
| .Linfo_string1: |
| .asciz "a.cpp" # string offset=104 |
| .Linfo_string2: |
| .asciz "/proc/self/cwd" # string offset=110 |
| .Linfo_string3: |
| .asciz "f1" # string offset=125 |
| .Linfo_string4: |
| .asciz "_Z2f12t1" # string offset=128 |
| .Linfo_string5: |
| .asciz "t1" # string offset=137 |
| .Laddr_table_base0: |
| .quad .Lfunc_begin0 |
| .Ldebug_addr_end0: |
| .section .debug_names,"",@progbits |
| .long .Lnames_end0-.Lnames_start0 # Header: unit length |
| .Lnames_start0: |
| .short 5 # Header: version |
| .short 0 # Header: padding |
| .long 1 # Header: compilation unit count |
| .long 0 # Header: local type unit count |
| .long 0 # Header: foreign type unit count |
| .long 3 # Header: bucket count |
| .long 3 # Header: name count |
| .long .Lnames_abbrev_end0-.Lnames_abbrev_start0 # Header: abbreviation table size |
| .long 8 # Header: augmentation string size |
| .ascii "LLVM0700" # Header: augmentation string |
| .long .Lcu_begin0 # Compilation unit 0 |
| .long 0 # Bucket 0 |
| .long 1 # Bucket 1 |
| .long 3 # Bucket 2 |
| .long 5863324 # Hash in Bucket 1 |
| .long 5863786 # Hash in Bucket 1 |
| .long 1398125246 # Hash in Bucket 2 |
| .long .Linfo_string3 # String in Bucket 1: f1 |
| .long .Linfo_string5 # String in Bucket 1: t1 |
| .long .Linfo_string4 # String in Bucket 2: _Z2f12t1 |
| .long .Lnames0-.Lnames_entries0 # Offset in Bucket 1 |
| .long .Lnames2-.Lnames_entries0 # Offset in Bucket 1 |
| .long .Lnames1-.Lnames_entries0 # Offset in Bucket 2 |
| .Lnames_abbrev_start0: |
| .byte 1 # Abbrev code |
| .byte 46 # DW_TAG_subprogram |
| .byte 3 # DW_IDX_die_offset |
| .byte 19 # DW_FORM_ref4 |
| .byte 4 # DW_IDX_parent |
| .byte 25 # DW_FORM_flag_present |
| .byte 0 # End of abbrev |
| .byte 0 # End of abbrev |
| .byte 2 # Abbrev code |
| .byte 19 # DW_TAG_structure_type |
| .byte 3 # DW_IDX_die_offset |
| .byte 19 # DW_FORM_ref4 |
| .byte 4 # DW_IDX_parent |
| .byte 25 # DW_FORM_flag_present |
| .byte 0 # End of abbrev |
| .byte 0 # End of abbrev |
| .byte 0 # End of abbrev list |
| .Lnames_abbrev_end0: |
| .Lnames_entries0: |
| .Lnames0: |
| .L1: |
| .byte 1 # Abbreviation code |
| .long 35 # DW_IDX_die_offset |
| .byte 0 # DW_IDX_parent |
| # End of list: f1 |
| .Lnames2: |
| .L0: |
| .byte 2 # Abbreviation code |
| .long 58 # DW_IDX_die_offset |
| .byte 0 # DW_IDX_parent |
| # End of list: t1 |
| .Lnames1: |
| .byte 1 # Abbreviation code |
| .long 35 # DW_IDX_die_offset |
| .byte 0 # DW_IDX_parent |
| # End of list: _Z2f12t1 |
| .p2align 2, 0x0 |
| .Lnames_end0: |
| .ident "clang version 19.0.0git (git@github.com:llvm/llvm-project.git 53b14cd9ce2b57da73d173fc876d2e9e199f5640)" |
| .section ".note.GNU-stack","",@progbits |
| .addrsig |
| .section .debug_line,"",@progbits |
| .Lline_table_start0: |
| |
| #--- b.s |
| # Generated with: |
| # - clang++ -g -O0 -gpubnames -fdebug-compilation-dir='/proc/self/cwd' \ |
| # -S b.cpp -o b.s |
| |
| # b.cpp contents: |
| |
| # struct t1 { }; |
| # int main() { |
| # t1 v1; |
| # } |
| # |
| |
| .text |
| .globl main # -- Begin function main |
| .p2align 4, 0x90 |
| .type main,@function |
| main: # @main |
| .Lfunc_begin0: |
| .cfi_startproc |
| # %bb.0: # %entry |
| pushq %rbp |
| .cfi_def_cfa_offset 16 |
| .cfi_offset %rbp, -16 |
| movq %rsp, %rbp |
| .cfi_def_cfa_register %rbp |
| .Ltmp0: |
| xorl %eax, %eax |
| popq %rbp |
| .cfi_def_cfa %rsp, 8 |
| retq |
| .Ltmp1: |
| .Lfunc_end0: |
| .size main, .Lfunc_end0-main |
| .cfi_endproc |
| # -- End function |
| .section .debug_abbrev,"",@progbits |
| .byte 0 # EOM(1) |
| .byte 0 # EOM(2) |
| .byte 0 # EOM(3) |
| .section .debug_info,"",@progbits |
| .Lcu_begin0: |
| .long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit |
| .Ldebug_info_start0: |
| .short 5 # DWARF version number |
| .byte 1 # DWARF Unit Type |
| .byte 8 # Address Size (in bytes) |
| .long .debug_abbrev # Offset Into Abbrev. Section |
| .Ldebug_info_end0: |
| .section .debug_str_offsets,"",@progbits |
| .long 32 # Length of String Offsets Set |
| .short 5 |
| .short 0 |
| .Lstr_offsets_base0: |
| .section .debug_str,"MS",@progbits,1 |
| .Linfo_string0: |
| .asciz "clang version 19.0.0git (git@github.com:llvm/llvm-project.git 53b14cd9ce2b57da73d173fc876d2e9e199f5640)" # string offset=0 |
| .Linfo_string1: |
| .asciz "b.cpp" # string offset=104 |
| .Linfo_string2: |
| .asciz "/proc/self/cwd" # string offset=110 |
| .Linfo_string3: |
| .asciz "main" # string offset=125 |
| .Linfo_string4: |
| .asciz "int" # string offset=130 |
| .Linfo_string5: |
| .asciz "v1" # string offset=134 |
| .Linfo_string6: |
| .asciz "t1" # string offset=137 |
| .Laddr_table_base0: |
| .quad .Lfunc_begin0 |
| .Ldebug_addr_end0: |
| .section .debug_names,"",@progbits |
| .long .Lnames_end0-.Lnames_start0 # Header: unit length |
| .Lnames_start0: |
| .short 5 # Header: version |
| .short 0 # Header: padding |
| .long 1 # Header: compilation unit count |
| .long 0 # Header: local type unit count |
| .long 0 # Header: foreign type unit count |
| .long 3 # Header: bucket count |
| .long 3 # Header: name count |
| .long .Lnames_abbrev_end0-.Lnames_abbrev_start0 # Header: abbreviation table size |
| .long 8 # Header: augmentation string size |
| .ascii "LLVM0700" # Header: augmentation string |
| .long .Lcu_begin0 # Compilation unit 0 |
| .long 0 # Bucket 0 |
| .long 1 # Bucket 1 |
| .long 3 # Bucket 2 |
| .long 5863786 # Hash in Bucket 1 |
| .long 2090499946 # Hash in Bucket 1 |
| .long 193495088 # Hash in Bucket 2 |
| .long .Linfo_string6 # String in Bucket 1: t1 |
| .long .Linfo_string3 # String in Bucket 1: main |
| .long .Linfo_string4 # String in Bucket 2: int |
| .long .Lnames2-.Lnames_entries0 # Offset in Bucket 1 |
| .long .Lnames0-.Lnames_entries0 # Offset in Bucket 1 |
| .long .Lnames1-.Lnames_entries0 # Offset in Bucket 2 |
| .Lnames_abbrev_start0: |
| .byte 1 # Abbrev code |
| .byte 19 # DW_TAG_structure_type |
| .byte 3 # DW_IDX_die_offset |
| .byte 19 # DW_FORM_ref4 |
| .byte 4 # DW_IDX_parent |
| .byte 25 # DW_FORM_flag_present |
| .byte 0 # End of abbrev |
| .byte 0 # End of abbrev |
| .byte 2 # Abbrev code |
| .byte 46 # DW_TAG_subprogram |
| .byte 3 # DW_IDX_die_offset |
| .byte 19 # DW_FORM_ref4 |
| .byte 4 # DW_IDX_parent |
| .byte 25 # DW_FORM_flag_present |
| .byte 0 # End of abbrev |
| .byte 0 # End of abbrev |
| .byte 3 # Abbrev code |
| .byte 36 # DW_TAG_base_type |
| .byte 3 # DW_IDX_die_offset |
| .byte 19 # DW_FORM_ref4 |
| .byte 4 # DW_IDX_parent |
| .byte 25 # DW_FORM_flag_present |
| .byte 0 # End of abbrev |
| .byte 0 # End of abbrev |
| .byte 0 # End of abbrev list |
| .Lnames_abbrev_end0: |
| .Lnames_entries0: |
| .Lnames2: |
| .L1: |
| .byte 1 # Abbreviation code |
| .long 66 # DW_IDX_die_offset |
| .byte 0 # DW_IDX_parent |
| # End of list: t1 |
| .Lnames0: |
| .L2: |
| .byte 2 # Abbreviation code |
| .long 35 # DW_IDX_die_offset |
| .byte 0 # DW_IDX_parent |
| # End of list: main |
| .Lnames1: |
| .L0: |
| .byte 3 # Abbreviation code |
| .long 62 # DW_IDX_die_offset |
| .byte 0 # DW_IDX_parent |
| # End of list: int |
| .p2align 2, 0x0 |
| .Lnames_end0: |
| .ident "clang version 19.0.0git (git@github.com:llvm/llvm-project.git 53b14cd9ce2b57da73d173fc876d2e9e199f5640)" |
| .section ".note.GNU-stack","",@progbits |
| .addrsig |
| .section .debug_line,"",@progbits |
| .Lline_table_start0: |