| # RUN: llvm-mc -dwarf-version=5 -filetype=obj -triple x86_64-unknown-linux %s -o %tmain.o |
| # RUN: %clang %cflags -gdwarf-5 %tmain.o -o %tmain.exe |
| # RUN: llvm-bolt %tmain.exe -o %tmain.exe.bolt --update-debug-sections |
| # RUN: llvm-dwarfdump --debug-names %tmain.exe.bolt > %tlog.txt |
| # RUN: cat %tlog.txt | FileCheck -check-prefix=BOLT %s |
| |
| ## This test checks that bolt correctly generates entry for DW_TAG_union_type for .debug_name section. |
| |
| # BOLT: Abbreviations [ |
| # BOLT-NEXT: Abbreviation [[ABBREV1:0x[0-9a-f]*]] { |
| # BOLT-NEXT: Tag: DW_TAG_subprogram |
| # BOLT-NEXT: DW_IDX_die_offset: DW_FORM_ref4 |
| # BOLT-NEXT: DW_IDX_parent: DW_FORM_flag_present |
| # BOLT-NEXT: } |
| # BOLT-NEXT: Abbreviation [[ABBREV2:0x[0-9a-f]*]] { |
| # BOLT-NEXT: Tag: DW_TAG_base_type |
| # BOLT-NEXT: DW_IDX_die_offset: DW_FORM_ref4 |
| # BOLT-NEXT: DW_IDX_parent: DW_FORM_flag_present |
| # BOLT-NEXT: } |
| # BOLT-NEXT: Abbreviation [[ABBREV3:0x[0-9a-f]*]] { |
| # BOLT-NEXT: Tag: DW_TAG_union_type |
| # BOLT-NEXT: DW_IDX_die_offset: DW_FORM_ref4 |
| # BOLT-NEXT: DW_IDX_parent: DW_FORM_ref4 |
| # BOLT-NEXT: } |
| # BOLT-NEXT: Abbreviation [[ABBREV4:0x[0-9a-f]*]] { |
| # BOLT-NEXT: Tag: DW_TAG_structure_type |
| # BOLT-NEXT: DW_IDX_die_offset: DW_FORM_ref4 |
| # BOLT-NEXT: DW_IDX_parent: DW_FORM_ref4 |
| # BOLT-NEXT: } |
| # BOLT-NEXT: ] |
| # BOLT-NEXT: Bucket 0 [ |
| # BOLT-NEXT: EMPTY |
| # BOLT-NEXT: ] |
| # BOLT-NEXT: Bucket 1 [ |
| # BOLT-NEXT: Name 1 { |
| # BOLT-NEXT: Hash: 0x7C9A7F6A |
| # BOLT-NEXT: String: {{.+}} "main" |
| # BOLT-NEXT: Entry @ [[ENTRY:0x[0-9a-f]*]] { |
| # BOLT-NEXT: Abbrev: [[ABBREV1]] |
| # BOLT-NEXT: Tag: DW_TAG_subprogram |
| # BOLT-NEXT: DW_IDX_die_offset: 0x00000024 |
| # BOLT-NEXT: DW_IDX_parent: <parent not indexed> |
| # BOLT-NEXT: } |
| # BOLT-NEXT: } |
| # BOLT-NEXT: ] |
| # BOLT-NEXT: Bucket 2 [ |
| # BOLT-NEXT: EMPTY |
| # BOLT-NEXT: ] |
| # BOLT-NEXT: Bucket 3 [ |
| # BOLT-NEXT: Name 2 { |
| # BOLT-NEXT: Hash: 0xB888030 |
| # BOLT-NEXT: String: {{.+}} "int" |
| # BOLT-NEXT: Entry @ {{.+}} { |
| # BOLT-NEXT: Abbrev: [[ABBREV2]] |
| # BOLT-NEXT: Tag: DW_TAG_base_type |
| # BOLT-NEXT: DW_IDX_die_offset: 0x00000083 |
| # BOLT-NEXT: DW_IDX_parent: <parent not indexed> |
| # BOLT-NEXT: } |
| # BOLT-NEXT: } |
| # BOLT-NEXT: Name 3 { |
| # BOLT-NEXT: Hash: 0xED0F01B4 |
| # BOLT-NEXT: String: {{.+}} "MyUnion" |
| # BOLT-NEXT: Entry @ {{.+}} { |
| # BOLT-NEXT: Abbrev: [[ABBREV3]] |
| # BOLT-NEXT: Tag: DW_TAG_union_type |
| # BOLT-NEXT: DW_IDX_die_offset: 0x00000049 |
| # BOLT-NEXT: DW_IDX_parent: Entry @ [[ENTRY]] |
| # BOLT-NEXT: } |
| # BOLT-NEXT: } |
| # BOLT-NEXT: ] |
| # BOLT-NEXT: Bucket 4 [ |
| # BOLT-NEXT: Name 4 { |
| # BOLT-NEXT: Hash: 0x8AB681F0 |
| # BOLT-NEXT: String: {{.+}} "MyStruct" |
| # BOLT-NEXT: Entry @ [[ENTRY2:0x[0-9a-f]*]] { |
| # BOLT-NEXT: Abbrev: [[ABBREV4]] |
| # BOLT-NEXT: Tag: DW_TAG_structure_type |
| # BOLT-NEXT: DW_IDX_die_offset: 0x00000062 |
| # BOLT-NEXT: DW_IDX_parent: Entry @ [[ENTRY]] |
| # BOLT-NEXT: } |
| # BOLT-NEXT: } |
| # BOLT-NEXT: Name 5 { |
| # BOLT-NEXT: Hash: 0x8EEF3866 |
| # BOLT-NEXT: String: {{.+}} "MyUnion2" |
| # BOLT-NEXT: Entry @ {{.+}} { |
| # BOLT-NEXT: Abbrev: [[ABBREV3]] |
| # BOLT-NEXT: Tag: DW_TAG_union_type |
| # BOLT-NEXT: DW_IDX_die_offset: 0x00000071 |
| # BOLT-NEXT: DW_IDX_parent: Entry @ [[ENTRY2]] |
| |
| |
| ## int main() { |
| ## union MyUnion { |
| ## int a; |
| ## int b; |
| ## }; |
| ## struct MyStruct { |
| ## union MyUnion2 { |
| ## int a; |
| ## }; |
| ## MyUnion2 myUnion2; |
| ## }; |
| ## MyUnion myEnum; |
| ## myEnum.a = 5; |
| ## MyStruct myStruct; |
| ## return myEnum.a + myStruct.myUnion2.a; |
| ## } |
| |
| .text |
| .file "main.cpp" |
| .globl main # -- Begin function main |
| .p2align 4, 0x90 |
| .type main,@function |
| main: # @main |
| .Lfunc_begin0: |
| .file 0 "union" "main.cpp" md5 0xb75b2512f2daa57bbcfe0c29f56d95f4 |
| .loc 0 1 0 # main.cpp:1:0 |
| retq |
| .Lfunc_end0: |
| .size main, .-main |
| # -- End function |
| .section .debug_abbrev,"",@progbits |
| .byte 1 # Abbreviation Code |
| .byte 17 # DW_TAG_compile_unit |
| .byte 1 # DW_CHILDREN_yes |
| .byte 37 # DW_AT_producer |
| .byte 37 # DW_FORM_strx1 |
| .byte 19 # DW_AT_language |
| .byte 5 # DW_FORM_data2 |
| .byte 3 # DW_AT_name |
| .byte 37 # DW_FORM_strx1 |
| .byte 114 # DW_AT_str_offsets_base |
| .byte 23 # DW_FORM_sec_offset |
| .byte 16 # DW_AT_stmt_list |
| .byte 23 # DW_FORM_sec_offset |
| .byte 27 # DW_AT_comp_dir |
| .byte 37 # DW_FORM_strx1 |
| .byte 17 # DW_AT_low_pc |
| .byte 27 # DW_FORM_addrx |
| .byte 18 # DW_AT_high_pc |
| .byte 6 # DW_FORM_data4 |
| .byte 115 # DW_AT_addr_base |
| .byte 23 # DW_FORM_sec_offset |
| .byte 0 # EOM(1) |
| .byte 0 # EOM(2) |
| .byte 2 # Abbreviation Code |
| .byte 46 # DW_TAG_subprogram |
| .byte 1 # DW_CHILDREN_yes |
| .byte 17 # DW_AT_low_pc |
| .byte 27 # DW_FORM_addrx |
| .byte 18 # DW_AT_high_pc |
| .byte 6 # DW_FORM_data4 |
| .byte 64 # DW_AT_frame_base |
| .byte 24 # DW_FORM_exprloc |
| .byte 3 # DW_AT_name |
| .byte 37 # DW_FORM_strx1 |
| .byte 58 # DW_AT_decl_file |
| .byte 11 # DW_FORM_data1 |
| .byte 59 # DW_AT_decl_line |
| .byte 11 # DW_FORM_data1 |
| .byte 73 # DW_AT_type |
| .byte 19 # DW_FORM_ref4 |
| .byte 63 # DW_AT_external |
| .byte 25 # DW_FORM_flag_present |
| .byte 0 # EOM(1) |
| .byte 0 # EOM(2) |
| .byte 3 # Abbreviation Code |
| .byte 52 # DW_TAG_variable |
| .byte 0 # DW_CHILDREN_no |
| .byte 2 # DW_AT_location |
| .byte 24 # DW_FORM_exprloc |
| .byte 3 # DW_AT_name |
| .byte 37 # DW_FORM_strx1 |
| .byte 58 # DW_AT_decl_file |
| .byte 11 # DW_FORM_data1 |
| .byte 59 # DW_AT_decl_line |
| .byte 11 # DW_FORM_data1 |
| .byte 73 # DW_AT_type |
| .byte 19 # DW_FORM_ref4 |
| .byte 0 # EOM(1) |
| .byte 0 # EOM(2) |
| .byte 4 # Abbreviation Code |
| .byte 23 # DW_TAG_union_type |
| .byte 1 # DW_CHILDREN_yes |
| .byte 54 # DW_AT_calling_convention |
| .byte 11 # DW_FORM_data1 |
| .byte 3 # DW_AT_name |
| .byte 37 # DW_FORM_strx1 |
| .byte 11 # DW_AT_byte_size |
| .byte 11 # DW_FORM_data1 |
| .byte 58 # DW_AT_decl_file |
| .byte 11 # DW_FORM_data1 |
| .byte 59 # DW_AT_decl_line |
| .byte 11 # DW_FORM_data1 |
| .byte 0 # EOM(1) |
| .byte 0 # EOM(2) |
| .byte 5 # Abbreviation Code |
| .byte 13 # DW_TAG_member |
| .byte 0 # DW_CHILDREN_no |
| .byte 3 # DW_AT_name |
| .byte 37 # DW_FORM_strx1 |
| .byte 73 # DW_AT_type |
| .byte 19 # DW_FORM_ref4 |
| .byte 58 # DW_AT_decl_file |
| .byte 11 # DW_FORM_data1 |
| .byte 59 # DW_AT_decl_line |
| .byte 11 # DW_FORM_data1 |
| .byte 56 # DW_AT_data_member_location |
| .byte 11 # DW_FORM_data1 |
| .byte 0 # EOM(1) |
| .byte 0 # EOM(2) |
| .byte 6 # Abbreviation Code |
| .byte 19 # DW_TAG_structure_type |
| .byte 1 # DW_CHILDREN_yes |
| .byte 54 # DW_AT_calling_convention |
| .byte 11 # DW_FORM_data1 |
| .byte 3 # DW_AT_name |
| .byte 37 # DW_FORM_strx1 |
| .byte 11 # DW_AT_byte_size |
| .byte 11 # DW_FORM_data1 |
| .byte 58 # DW_AT_decl_file |
| .byte 11 # DW_FORM_data1 |
| .byte 59 # DW_AT_decl_line |
| .byte 11 # DW_FORM_data1 |
| .byte 0 # EOM(1) |
| .byte 0 # EOM(2) |
| .byte 7 # Abbreviation Code |
| .byte 36 # DW_TAG_base_type |
| .byte 0 # DW_CHILDREN_no |
| .byte 3 # DW_AT_name |
| .byte 37 # DW_FORM_strx1 |
| .byte 62 # DW_AT_encoding |
| .byte 11 # DW_FORM_data1 |
| .byte 11 # DW_AT_byte_size |
| .byte 11 # DW_FORM_data1 |
| .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 |
| .byte 1 # Abbrev [1] 0xc:0x7b DW_TAG_compile_unit |
| .byte 0 # DW_AT_producer |
| .short 33 # DW_AT_language |
| .byte 1 # DW_AT_name |
| .long .Lstr_offsets_base0 # DW_AT_str_offsets_base |
| .long .Lline_table_start0 # DW_AT_stmt_list |
| .byte 2 # DW_AT_comp_dir |
| .byte 0 # DW_AT_low_pc |
| .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc |
| .long .Laddr_table_base0 # DW_AT_addr_base |
| .byte 2 # Abbrev [2] 0x23:0x5f DW_TAG_subprogram |
| .byte 0 # DW_AT_low_pc |
| .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc |
| .byte 1 # DW_AT_frame_base |
| .byte 86 |
| .byte 3 # DW_AT_name |
| .byte 0 # DW_AT_decl_file |
| .byte 1 # DW_AT_decl_line |
| .long 130 # DW_AT_type |
| # DW_AT_external |
| .byte 3 # Abbrev [3] 0x32:0xb DW_TAG_variable |
| .byte 2 # DW_AT_location |
| .byte 145 |
| .byte 120 |
| .byte 5 # DW_AT_name |
| .byte 0 # DW_AT_decl_file |
| .byte 12 # DW_AT_decl_line |
| .long 72 # DW_AT_type |
| .byte 3 # Abbrev [3] 0x3d:0xb DW_TAG_variable |
| .byte 2 # DW_AT_location |
| .byte 145 |
| .byte 116 |
| .byte 9 # DW_AT_name |
| .byte 0 # DW_AT_decl_file |
| .byte 14 # DW_AT_decl_line |
| .long 97 # DW_AT_type |
| .byte 4 # Abbrev [4] 0x48:0x19 DW_TAG_union_type |
| .byte 5 # DW_AT_calling_convention |
| .byte 8 # DW_AT_name |
| .byte 4 # DW_AT_byte_size |
| .byte 0 # DW_AT_decl_file |
| .byte 2 # DW_AT_decl_line |
| .byte 5 # Abbrev [5] 0x4e:0x9 DW_TAG_member |
| .byte 6 # DW_AT_name |
| .long 130 # DW_AT_type |
| .byte 0 # DW_AT_decl_file |
| .byte 3 # DW_AT_decl_line |
| .byte 0 # DW_AT_data_member_location |
| .byte 5 # Abbrev [5] 0x57:0x9 DW_TAG_member |
| .byte 7 # DW_AT_name |
| .long 130 # DW_AT_type |
| .byte 0 # DW_AT_decl_file |
| .byte 4 # DW_AT_decl_line |
| .byte 0 # DW_AT_data_member_location |
| .byte 0 # End Of Children Mark |
| .byte 6 # Abbrev [6] 0x61:0x20 DW_TAG_structure_type |
| .byte 5 # DW_AT_calling_convention |
| .byte 12 # DW_AT_name |
| .byte 4 # DW_AT_byte_size |
| .byte 0 # DW_AT_decl_file |
| .byte 6 # DW_AT_decl_line |
| .byte 5 # Abbrev [5] 0x67:0x9 DW_TAG_member |
| .byte 10 # DW_AT_name |
| .long 112 # DW_AT_type |
| .byte 0 # DW_AT_decl_file |
| .byte 10 # DW_AT_decl_line |
| .byte 0 # DW_AT_data_member_location |
| .byte 4 # Abbrev [4] 0x70:0x10 DW_TAG_union_type |
| .byte 5 # DW_AT_calling_convention |
| .byte 11 # DW_AT_name |
| .byte 4 # DW_AT_byte_size |
| .byte 0 # DW_AT_decl_file |
| .byte 7 # DW_AT_decl_line |
| .byte 5 # Abbrev [5] 0x76:0x9 DW_TAG_member |
| .byte 6 # DW_AT_name |
| .long 130 # DW_AT_type |
| .byte 0 # DW_AT_decl_file |
| .byte 8 # DW_AT_decl_line |
| .byte 0 # DW_AT_data_member_location |
| .byte 0 # End Of Children Mark |
| .byte 0 # End Of Children Mark |
| .byte 0 # End Of Children Mark |
| .byte 7 # Abbrev [7] 0x82:0x4 DW_TAG_base_type |
| .byte 4 # DW_AT_name |
| .byte 5 # DW_AT_encoding |
| .byte 4 # DW_AT_byte_size |
| .byte 0 # End Of Children Mark |
| .Ldebug_info_end0: |
| .section .debug_str_offsets,"",@progbits |
| .long 56 # Length of String Offsets Set |
| .short 5 |
| .short 0 |
| .Lstr_offsets_base0: |
| .section .debug_str,"MS",@progbits,1 |
| .Linfo_string0: |
| .asciz "clang version 20.0.0git" # string offset=0 |
| .Linfo_string1: |
| .asciz "main.cpp" # string offset=24 |
| .Linfo_string2: |
| .asciz "union" # string offset=33 |
| .Linfo_string3: |
| .asciz "main" # string offset=77 |
| .Linfo_string4: |
| .asciz "int" # string offset=82 |
| .Linfo_string5: |
| .asciz "myEnum" # string offset=86 |
| .Linfo_string6: |
| .asciz "MyUnion" # string offset=93 |
| .Linfo_string7: |
| .asciz "a" # string offset=101 |
| .Linfo_string8: |
| .asciz "b" # string offset=103 |
| .Linfo_string9: |
| .asciz "myStruct" # string offset=105 |
| .Linfo_string10: |
| .asciz "MyStruct" # string offset=114 |
| .Linfo_string11: |
| .asciz "myUnion2" # string offset=123 |
| .Linfo_string12: |
| .asciz "MyUnion2" # string offset=132 |
| .section .debug_str_offsets,"",@progbits |
| .long .Linfo_string0 |
| .long .Linfo_string1 |
| .long .Linfo_string2 |
| .long .Linfo_string3 |
| .long .Linfo_string4 |
| .long .Linfo_string5 |
| .long .Linfo_string7 |
| .long .Linfo_string8 |
| .long .Linfo_string6 |
| .long .Linfo_string9 |
| .long .Linfo_string11 |
| .long .Linfo_string12 |
| .long .Linfo_string10 |
| .section .debug_addr,"",@progbits |
| .long .Ldebug_addr_end0-.Ldebug_addr_start0 # Length of contribution |
| .Ldebug_addr_start0: |
| .short 5 # DWARF version number |
| .byte 8 # Address size |
| .byte 0 # Segment selector size |
| .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 5 # Header: bucket count |
| .long 5 # 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 0 # Bucket 2 |
| .long 2 # Bucket 3 |
| .long 4 # Bucket 4 |
| .long 2090499946 # Hash in Bucket 1 |
| .long 193495088 # Hash in Bucket 3 |
| .long -317783628 # Hash in Bucket 3 |
| .long -1967750672 # Hash in Bucket 4 |
| .long -1896925082 # Hash in Bucket 4 |
| .long .Linfo_string3 # String in Bucket 1: main |
| .long .Linfo_string4 # String in Bucket 3: int |
| .long .Linfo_string6 # String in Bucket 3: MyUnion |
| .long .Linfo_string10 # String in Bucket 4: MyStruct |
| .long .Linfo_string12 # String in Bucket 4: MyUnion2 |
| .long .Lnames0-.Lnames_entries0 # Offset in Bucket 1 |
| .long .Lnames1-.Lnames_entries0 # Offset in Bucket 3 |
| .long .Lnames2-.Lnames_entries0 # Offset in Bucket 3 |
| .long .Lnames3-.Lnames_entries0 # Offset in Bucket 4 |
| .long .Lnames4-.Lnames_entries0 # Offset in Bucket 4 |
| .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 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 3 # Abbrev code |
| .byte 23 # DW_TAG_union_type |
| .byte 3 # DW_IDX_die_offset |
| .byte 19 # DW_FORM_ref4 |
| .byte 4 # DW_IDX_parent |
| .byte 19 # DW_FORM_ref4 |
| .byte 0 # End of abbrev |
| .byte 0 # End of abbrev |
| .byte 4 # 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 19 # DW_FORM_ref4 |
| .byte 0 # End of abbrev |
| .byte 0 # End of abbrev |
| .byte 0 # End of abbrev list |
| .Lnames_abbrev_end0: |
| .Lnames_entries0: |
| .Lnames0: |
| .L3: |
| .byte 1 # Abbreviation code |
| .long 35 # DW_IDX_die_offset |
| .byte 0 # DW_IDX_parent |
| # End of list: main |
| .Lnames1: |
| .L1: |
| .byte 2 # Abbreviation code |
| .long 130 # DW_IDX_die_offset |
| .byte 0 # DW_IDX_parent |
| # End of list: int |
| .Lnames2: |
| .L4: |
| .byte 3 # Abbreviation code |
| .long 72 # DW_IDX_die_offset |
| .long .L3-.Lnames_entries0 # DW_IDX_parent |
| .byte 0 # End of list: MyUnion |
| .Lnames3: |
| .L2: |
| .byte 4 # Abbreviation code |
| .long 97 # DW_IDX_die_offset |
| .long .L3-.Lnames_entries0 # DW_IDX_parent |
| .byte 0 # End of list: MyStruct |
| .Lnames4: |
| .L0: |
| .byte 3 # Abbreviation code |
| .long 112 # DW_IDX_die_offset |
| .long .L2-.Lnames_entries0 # DW_IDX_parent |
| .byte 0 # End of list: MyUnion2 |
| .p2align 2, 0x0 |
| .Lnames_end0: |
| .ident "clang version 20.0.0git" |
| .section ".note.GNU-stack","",@progbits |
| .addrsig |
| .section .debug_line,"",@progbits |
| .Lline_table_start0: |
