# 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 ## Tests that bolt can correctly generate debug_names when there is an DW_TAG_inlined_subroutine ## with DW_AT_abstract_origin that points to DW_TAG_subprogram that only has DW_AT_linkage_name. # BOLT: Name Index @ 0x0 { # BOLT-NEXT: Header { # BOLT-NEXT: Length: 0xA2 # BOLT-NEXT: Format: DWARF32 # BOLT-NEXT: Version: 5 # BOLT-NEXT: CU count: 1 # BOLT-NEXT: Local TU count: 0 # BOLT-NEXT: Foreign TU count: 0 # BOLT-NEXT: Bucket count: 4 # BOLT-NEXT: Name count: 4 # BOLT-NEXT: Abbreviations table size: 0x19 # BOLT-NEXT: Augmentation: 'BOLT' # BOLT-NEXT: } # BOLT-NEXT: Compilation Unit offsets [ # BOLT-NEXT: CU[0]: 0x00000000 # BOLT-NEXT: ] # BOLT-NEXT: Abbreviations [ # BOLT-NEXT: Abbreviation [[ABBREV1:0x[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 [[ABBREV2:0x[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 [[ABBREV3:0x[0-9a-f]*]] { # BOLT-NEXT: Tag: DW_TAG_inlined_subroutine # 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: Name 1 { # BOLT-NEXT: Hash: 0xB888030 # BOLT-NEXT: String: {{.+}} "int" # BOLT-NEXT: Entry @ {{.+}} { # BOLT-NEXT: Abbrev: 0x1 # BOLT-NEXT: Tag: DW_TAG_base_type # BOLT-NEXT: DW_IDX_die_offset: 0x0000004a # BOLT-NEXT: DW_IDX_parent: # BOLT-NEXT: } # BOLT-NEXT: } # BOLT-NEXT: ] # BOLT-NEXT: Bucket 1 [ # BOLT-NEXT: EMPTY # BOLT-NEXT: ] # BOLT-NEXT: Bucket 2 [ # BOLT-NEXT: Name 2 { # BOLT-NEXT: Hash: 0x7C9A7F6A # BOLT-NEXT: String: {{.+}} "main" # BOLT-NEXT: Entry @ [[REF1:0x[0-9a-f]*]] { # BOLT-NEXT: Abbrev: [[ABBREV2]] # BOLT-NEXT: Tag: DW_TAG_subprogram # BOLT-NEXT: DW_IDX_die_offset: 0x0000004e # BOLT-NEXT: DW_IDX_parent: # BOLT-NEXT: } # BOLT-NEXT: } # BOLT-NEXT: Name 3 { # BOLT-NEXT: Hash: 0xB5063CFE # BOLT-NEXT: String: {{.+}} "_Z3fooi" # BOLT-NEXT: Entry @ {{.+}} { # BOLT-NEXT: Abbrev: [[ABBREV2]] # BOLT-NEXT: Tag: DW_TAG_subprogram # BOLT-NEXT: DW_IDX_die_offset: 0x00000024 # BOLT-NEXT: DW_IDX_parent: # BOLT-NEXT: } # BOLT-NEXT: Entry @ 0x96 { # BOLT-NEXT: Abbrev: [[ABBREV3]] # BOLT-NEXT: Tag: DW_TAG_inlined_subroutine # BOLT-NEXT: DW_IDX_die_offset: 0x0000007e # BOLT-NEXT: DW_IDX_parent: Entry @ [[REF1]] # BOLT-NEXT: } # BOLT-NEXT: } # BOLT-NEXT: ] # BOLT-NEXT: Bucket 3 [ # BOLT-NEXT: Name 4 { # BOLT-NEXT: Hash: 0x7C952063 # BOLT-NEXT: String: {{.+}} "char" # BOLT-NEXT: Entry @ {{.+}} { # BOLT-NEXT: Abbrev: [[ABBREV1]] # BOLT-NEXT: Tag: DW_TAG_base_type # BOLT-NEXT: DW_IDX_die_offset: 0x0000009f # BOLT-NEXT: DW_IDX_parent: ## int foo(int i) { ## return i ++; ## } ## int main(int argc, char* argv[]) { ## int i = 0; ## [[clang::always_inline]] i = foo(argc); ## return i; ## } ## Test was manually modified so that DW_TAG_subprogram only had DW_AT_linkage_name. .text .file "main.cpp" .globl _Z3fooi .p2align 4, 0x90 .type _Z3fooi,@function _Z3fooi: .Lfunc_begin0: .file 0 "/abstractChain" "main.cpp" md5 0x2e29d55fc1320801a8057a4c50643ea1 .loc 0 1 0 .loc 0 2 12 prologue_end .loc 0 2 3 epilogue_begin is_stmt 0 retq .Lfunc_end0: .size _Z3fooi, .Lfunc_end0-_Z3fooi .globl main .p2align 4, 0x90 .type main,@function main: .Lfunc_begin1: .loc 0 4 0 is_stmt 1 .Ltmp2: .loc 0 5 7 prologue_end .loc 0 6 36 movl -12(%rbp), %eax .Ltmp3: .loc 0 2 12 .Ltmp4: .loc 0 6 30 .loc 0 7 10 .loc 0 7 3 epilogue_begin is_stmt 0 retq .Ltmp5: .Lfunc_end1: .size main, .Lfunc_end1-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 49 # DW_AT_abstract_origin .byte 19 # DW_FORM_ref4 .byte 0 # EOM(1) .byte 0 # EOM(2) .byte 3 # Abbreviation Code .byte 5 # DW_TAG_formal_parameter .byte 0 # DW_CHILDREN_no .byte 2 # DW_AT_location .byte 24 # DW_FORM_exprloc .byte 49 # DW_AT_abstract_origin .byte 19 # DW_FORM_ref4 .byte 0 # EOM(1) .byte 0 # EOM(2) .byte 4 # Abbreviation Code .byte 46 # DW_TAG_subprogram .byte 1 # DW_CHILDREN_yes .byte 110 # DW_AT_linkage_name .byte 37 # DW_FORM_strx1 #.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 32 # DW_AT_inline .byte 33 # DW_FORM_implicit_const .byte 1 .byte 0 # EOM(1) .byte 0 # EOM(2) .byte 5 # Abbreviation Code .byte 5 # DW_TAG_formal_parameter .byte 0 # DW_CHILDREN_no .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 6 # 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 7 # 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 8 # Abbreviation Code .byte 5 # DW_TAG_formal_parameter .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 9 # 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 10 # Abbreviation Code .byte 29 # DW_TAG_inlined_subroutine .byte 1 # DW_CHILDREN_yes .byte 49 # DW_AT_abstract_origin .byte 19 # DW_FORM_ref4 .byte 17 # DW_AT_low_pc .byte 27 # DW_FORM_addrx .byte 18 # DW_AT_high_pc .byte 6 # DW_FORM_data4 .byte 88 # DW_AT_call_file .byte 11 # DW_FORM_data1 .byte 89 # DW_AT_call_line .byte 11 # DW_FORM_data1 .byte 87 # DW_AT_call_column .byte 11 # DW_FORM_data1 .byte 0 # EOM(1) .byte 0 # EOM(2) .byte 11 # Abbreviation Code .byte 15 # DW_TAG_pointer_type .byte 0 # DW_CHILDREN_no .byte 73 # DW_AT_type .byte 19 # DW_FORM_ref4 .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:0x98 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_end1-.Lfunc_begin0 # DW_AT_high_pc .long .Laddr_table_base0 # DW_AT_addr_base .byte 2 # Abbrev [2] 0x23:0x15 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 .long 56 # DW_AT_abstract_origin .byte 3 # Abbrev [3] 0x2f:0x8 DW_TAG_formal_parameter .byte 2 # DW_AT_location .byte 145 .byte 124 .long 64 # DW_AT_abstract_origin Manually Modified .byte 0 # End Of Children Mark .byte 4 # Abbrev [4] 0x38:0x12 DW_TAG_subprogram .byte 3 # DW_AT_linkage_name #.byte 4 # DW_AT_name .byte 0 # DW_AT_decl_file .byte 1 # DW_AT_decl_line .long 74 # DW_AT_type # DW_AT_external # DW_AT_inline .byte 5 # Abbrev [5] 0x41:0x8 DW_TAG_formal_parameter .byte 6 # DW_AT_name .byte 0 # DW_AT_decl_file .byte 1 # DW_AT_decl_line .long 74 # DW_AT_type .byte 0 # End Of Children Mark .byte 6 # Abbrev [6] 0x4a:0x4 DW_TAG_base_type .byte 5 # DW_AT_name .byte 5 # DW_AT_encoding .byte 4 # DW_AT_byte_size .byte 7 # Abbrev [7] 0x4e:0x47 DW_TAG_subprogram .byte 1 # DW_AT_low_pc .long .Lfunc_end1-.Lfunc_begin1 # DW_AT_high_pc .byte 1 # DW_AT_frame_base .byte 86 .byte 7 # DW_AT_name .byte 0 # DW_AT_decl_file .byte 4 # DW_AT_decl_line .long 73 # DW_AT_type Manually Modified # DW_AT_external .byte 8 # Abbrev [8] 0x5d:0xb DW_TAG_formal_parameter .byte 2 # DW_AT_location .byte 145 .byte 116 .byte 8 # DW_AT_name .byte 0 # DW_AT_decl_file .byte 4 # DW_AT_decl_line .long 73 # DW_AT_type Manually Modified .byte 8 # Abbrev [8] 0x68:0xb DW_TAG_formal_parameter .byte 2 # DW_AT_location .byte 145 .byte 104 .byte 9 # DW_AT_name .byte 0 # DW_AT_decl_file .byte 4 # DW_AT_decl_line .long 148 # DW_AT_type Manually Modified .byte 9 # Abbrev [9] 0x73:0xb DW_TAG_variable .byte 2 # DW_AT_location .byte 145 .byte 100 .byte 6 # DW_AT_name .byte 0 # DW_AT_decl_file .byte 5 # DW_AT_decl_line .long 73 # DW_AT_type Manually Modified .byte 10 # Abbrev [10] 0x7e:0x16 DW_TAG_inlined_subroutine .long 56 # DW_AT_abstract_origin .byte 2 # DW_AT_low_pc .long .Ltmp4-.Ltmp3 # DW_AT_high_pc .byte 0 # DW_AT_call_file .byte 6 # DW_AT_call_line .byte 32 # DW_AT_call_column .byte 3 # Abbrev [3] 0x8b:0x8 DW_TAG_formal_parameter .byte 2 # DW_AT_location .byte 145 .byte 124 .long 64 # DW_AT_abstract_origin Manually Modified .byte 0 # End Of Children Mark .byte 0 # End Of Children Mark .byte 11 # Abbrev [11] 0x95:0x5 DW_TAG_pointer_type .long 153 # DW_AT_type Manually Modified .byte 11 # Abbrev [11] 0x9a:0x5 DW_TAG_pointer_type .long 158 # DW_AT_type Manually Modified .byte 6 # Abbrev [6] 0x9f:0x4 DW_TAG_base_type .byte 10 # DW_AT_name .byte 6 # DW_AT_encoding .byte 1 # DW_AT_byte_size .byte 0 # End Of Children Mark .Ldebug_info_end0: .section .debug_str_offsets,"",@progbits .long 48 # 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 "/abstractChain" # string offset=33 .Linfo_string3: .asciz "foo" # string offset=85 .Linfo_string4: .asciz "_Z3fooi" # string offset=89 .Linfo_string5: .asciz "int" # string offset=97 .Linfo_string6: .asciz "i" # string offset=101 .Linfo_string7: .asciz "main" # string offset=103 .Linfo_string8: .asciz "argc" # string offset=108 .Linfo_string9: .asciz "argv" # string offset=113 .Linfo_string10: .asciz "char" # string offset=118 .section .debug_str_offsets,"",@progbits .long .Linfo_string0 .long .Linfo_string1 .long .Linfo_string2 .long .Linfo_string4 .long .Linfo_string3 .long .Linfo_string5 .long .Linfo_string6 .long .Linfo_string7 .long .Linfo_string8 .long .Linfo_string9 .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 .quad .Lfunc_begin1 .quad .Ltmp3 .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 3 # Bucket 3 .long 4 # Bucket 4 .long 2090499946 # Hash in Bucket 1 .long -1257882370 # Hash in Bucket 1 .long 193495088 # Hash in Bucket 3 .long 193491849 # Hash in Bucket 4 .long 2090147939 # Hash in Bucket 4 .long .Linfo_string7 # String in Bucket 1: main .long .Linfo_string4 # String in Bucket 1: _Z3fooi .long .Linfo_string5 # String in Bucket 3: int .long .Linfo_string3 # String in Bucket 4: foo .long .Linfo_string10 # String in Bucket 4: char .long .Lnames3-.Lnames_entries0 # Offset in Bucket 1 .long .Lnames1-.Lnames_entries0 # Offset in Bucket 1 .long .Lnames2-.Lnames_entries0 # Offset in Bucket 3 .long .Lnames0-.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 29 # DW_TAG_inlined_subroutine .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 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: .Lnames3: .L2: .byte 1 # Abbreviation code .long 78 # DW_IDX_die_offset .byte 0 # DW_IDX_parent # End of list: main .Lnames1: .L0: .byte 1 # Abbreviation code .long 35 # DW_IDX_die_offset .L3: # DW_IDX_parent .byte 2 # Abbreviation code .long 126 # DW_IDX_die_offset .long .L2-.Lnames_entries0 # DW_IDX_parent .byte 0 # End of list: _Z3fooi .Lnames2: .L1: .byte 3 # Abbreviation code .long 74 # DW_IDX_die_offset .byte 0 # DW_IDX_parent # End of list: int .Lnames0: .byte 1 # Abbreviation code .long 35 # DW_IDX_die_offset .byte 2 # DW_IDX_parent # Abbreviation code .long 126 # DW_IDX_die_offset .long .L2-.Lnames_entries0 # DW_IDX_parent .byte 0 # End of list: foo .Lnames4: .L4: .byte 3 # Abbreviation code .long 159 # DW_IDX_die_offset .byte 0 # DW_IDX_parent # End of list: char .p2align 2, 0x0 .Lnames_end0: .ident "clang version 20.0.0git" .section ".note.GNU-stack","",@progbits .addrsig .section .debug_line,"",@progbits .Lline_table_start0: