# REQUIRES: system-linux # RUN: llvm-mc -dwarf-version=4 -filetype=obj -triple x86_64-unknown-linux %s -o %t1.o # RUN: %clang %cflags -dwarf-4 %t1.o -o %t.exe -Wl,-q # RUN: llvm-bolt %t.exe -o %t.bolt --update-debug-sections -v 1 &> %tlog.txt # RUN: cat %tlog.txt | FileCheck --check-prefix=CHECKBOLT %s # RUN: llvm-dwarfdump --show-form --verbose --debug-info %t.exe | FileCheck --check-prefix=CHECK %s ## Tests BOLT does not assert when DIE reference is invalid. # CHECKBOLT: Referenced DIE offsets not in .debug_info # CHECKBOLT-NEXT: 91 # CHECK: DW_TAG_variable # CHECK-NEXT: DW_AT_name # CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x0091 => {0x00000091}) # Assembly manually modified # struct pair {int i; int j; }; # static pair p; # int load() { # return p.i + p.j; # } # void store(int i, int j) { # p.i = i; # p.j = j; # } # int main() { # return 0; # } .text .file "main.cpp" .file 1 "/invalidWithin" "main.cpp" .section .text._Z4loadv,"ax",@progbits .globl _Z4loadv # -- Begin function _Z4loadv .p2align 4, 0x90 .type _Z4loadv,@function _Z4loadv: # @_Z4loadv .Lfunc_begin0: .cfi_startproc # %bb.0: # %entry .loc 1 4 20 prologue_end # main.cpp:4:20 movl _ZL1p.1(%rip), %eax .loc 1 4 16 is_stmt 0 # main.cpp:4:16 addl _ZL1p.0(%rip), %eax .loc 1 4 5 # main.cpp:4:5 retq .Ltmp0: .Lfunc_end0: .size _Z4loadv, .Lfunc_end0-_Z4loadv .cfi_endproc # -- End function .section .text._Z5storeii,"ax",@progbits .globl _Z5storeii # -- Begin function _Z5storeii .p2align 4, 0x90 .type _Z5storeii,@function _Z5storeii: # @_Z5storeii .Lfunc_begin1: .cfi_startproc # %bb.0: # %entry #DEBUG_VALUE: store:i <- $edi #DEBUG_VALUE: store:j <- $esi .loc 1 7 9 prologue_end is_stmt 1 # main.cpp:7:9 movl %edi, _ZL1p.0(%rip) .loc 1 8 9 # main.cpp:8:9 movl %esi, _ZL1p.1(%rip) .loc 1 9 1 # main.cpp:9:1 retq .Ltmp1: .Lfunc_end1: .size _Z5storeii, .Lfunc_end1-_Z5storeii .cfi_endproc # -- End function .section .text.main,"ax",@progbits .globl main # -- Begin function main .p2align 4, 0x90 .type main,@function main: # @main .Lfunc_begin2: .cfi_startproc # %bb.0: # %entry .loc 1 11 1 prologue_end # main.cpp:11:1 xorl %eax, %eax retq .Ltmp2: .Lfunc_end2: .size main, .Lfunc_end2-main .cfi_endproc # -- End function .type _ZL1p.0,@object # @_ZL1p.0 .local _ZL1p.0 .comm _ZL1p.0,4,4 .type _ZL1p.1,@object # @_ZL1p.1 .local _ZL1p.1 .comm _ZL1p.1,4,4 .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 14 # DW_FORM_strp .byte 19 # DW_AT_language .byte 5 # DW_FORM_data2 .byte 3 # DW_AT_name .byte 14 # DW_FORM_strp .byte 16 # DW_AT_stmt_list .byte 23 # DW_FORM_sec_offset .byte 27 # DW_AT_comp_dir .byte 14 # DW_FORM_strp .byte 17 # DW_AT_low_pc .byte 1 # DW_FORM_addr .byte 85 # DW_AT_ranges .byte 23 # DW_FORM_sec_offset .byte 0 # EOM(1) .byte 0 # EOM(2) .byte 2 # Abbreviation Code .byte 52 # DW_TAG_variable .byte 0 # DW_CHILDREN_no .byte 3 # DW_AT_name .byte 14 # DW_FORM_strp .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 2 # DW_AT_location .byte 24 # DW_FORM_exprloc .byte 110 # DW_AT_linkage_name .byte 14 # DW_FORM_strp .byte 0 # EOM(1) .byte 0 # EOM(2) .byte 3 # 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 14 # DW_FORM_strp .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 4 # Abbreviation Code .byte 13 # DW_TAG_member .byte 0 # DW_CHILDREN_no .byte 3 # DW_AT_name .byte 14 # DW_FORM_strp .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 5 # Abbreviation Code .byte 36 # DW_TAG_base_type .byte 0 # DW_CHILDREN_no .byte 3 # DW_AT_name .byte 14 # DW_FORM_strp .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 6 # Abbreviation Code .byte 46 # DW_TAG_subprogram .byte 0 # DW_CHILDREN_no .byte 17 # DW_AT_low_pc .byte 1 # DW_FORM_addr .byte 18 # DW_AT_high_pc .byte 6 # DW_FORM_data4 .byte 64 # DW_AT_frame_base .byte 24 # DW_FORM_exprloc .ascii "\227B" # DW_AT_GNU_all_call_sites .byte 25 # DW_FORM_flag_present .byte 110 # DW_AT_linkage_name .byte 14 # DW_FORM_strp .byte 3 # DW_AT_name .byte 14 # DW_FORM_strp .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 7 # Abbreviation Code .byte 46 # DW_TAG_subprogram .byte 1 # DW_CHILDREN_yes .byte 17 # DW_AT_low_pc .byte 1 # DW_FORM_addr .byte 18 # DW_AT_high_pc .byte 6 # DW_FORM_data4 .byte 64 # DW_AT_frame_base .byte 24 # DW_FORM_exprloc .ascii "\227B" # DW_AT_GNU_all_call_sites .byte 25 # DW_FORM_flag_present .byte 110 # DW_AT_linkage_name .byte 14 # DW_FORM_strp .byte 3 # DW_AT_name .byte 14 # DW_FORM_strp .byte 58 # DW_AT_decl_file .byte 11 # DW_FORM_data1 .byte 59 # DW_AT_decl_line .byte 11 # DW_FORM_data1 .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 14 # DW_FORM_strp .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 46 # DW_TAG_subprogram .byte 0 # DW_CHILDREN_no .byte 17 # DW_AT_low_pc .byte 1 # DW_FORM_addr .byte 18 # DW_AT_high_pc .byte 6 # DW_FORM_data4 .byte 64 # DW_AT_frame_base .byte 24 # DW_FORM_exprloc .ascii "\227B" # DW_AT_GNU_all_call_sites .byte 25 # DW_FORM_flag_present .byte 3 # DW_AT_name .byte 14 # DW_FORM_strp .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 0 # EOM(3) .section .debug_info,"",@progbits .Lcu_begin0: .long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit .Ldebug_info_start0: .short 4 # DWARF version number .long .debug_abbrev # Offset Into Abbrev. Section .byte 8 # Address Size (in bytes) .byte 1 # Abbrev [1] 0xb:0xd9 DW_TAG_compile_unit .long .Linfo_string0 # DW_AT_producer .short 33 # DW_AT_language .long .Linfo_string1 # DW_AT_name .long .Lline_table_start0 # DW_AT_stmt_list .long .Linfo_string2 # DW_AT_comp_dir .quad 0 # DW_AT_low_pc .long .Ldebug_ranges0 # DW_AT_ranges .byte 2 # Abbrev [2] 0x2a:0x26 DW_TAG_variable .long .Linfo_string3 # DW_AT_name .long 145 # DW_AT_type --> Modified manually s/80/145 .byte 1 # DW_AT_decl_file .byte 2 # DW_AT_decl_line .byte 22 # DW_AT_location .byte 3 .quad _ZL1p.0 .byte 147 .byte 4 .byte 3 .quad _ZL1p.1 .byte 147 .byte 4 .long .Linfo_string8 # DW_AT_linkage_name .byte 3 # Abbrev [3] 0x50:0x22 DW_TAG_structure_type .byte 5 # DW_AT_calling_convention .long .Linfo_string7 # DW_AT_name .byte 8 # DW_AT_byte_size .byte 1 # DW_AT_decl_file .byte 1 # DW_AT_decl_line .byte 4 # Abbrev [4] 0x59:0xc DW_TAG_member .long .Linfo_string4 # DW_AT_name .long 114 # DW_AT_type .byte 1 # DW_AT_decl_file .byte 1 # DW_AT_decl_line .byte 0 # DW_AT_data_member_location .byte 4 # Abbrev [4] 0x65:0xc DW_TAG_member .long .Linfo_string6 # DW_AT_name .long 114 # DW_AT_type .byte 1 # DW_AT_decl_file .byte 1 # DW_AT_decl_line .byte 4 # DW_AT_data_member_location .byte 0 # End Of Children Mark .byte 5 # Abbrev [5] 0x72:0x7 DW_TAG_base_type .long .Linfo_string5 # DW_AT_name .byte 5 # DW_AT_encoding .byte 4 # DW_AT_byte_size .byte 6 # Abbrev [6] 0x79:0x1d DW_TAG_subprogram .quad .Lfunc_begin0 # DW_AT_low_pc .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc .byte 1 # DW_AT_frame_base .byte 87 # DW_AT_GNU_all_call_sites .long .Linfo_string9 # DW_AT_linkage_name .long .Linfo_string10 # DW_AT_name .byte 1 # DW_AT_decl_file .byte 3 # DW_AT_decl_line .long 114 # DW_AT_type # DW_AT_external .byte 7 # Abbrev [7] 0x96:0x34 DW_TAG_subprogram .quad .Lfunc_begin1 # DW_AT_low_pc .long .Lfunc_end1-.Lfunc_begin1 # DW_AT_high_pc .byte 1 # DW_AT_frame_base .byte 87 # DW_AT_GNU_all_call_sites .long .Linfo_string11 # DW_AT_linkage_name .long .Linfo_string12 # DW_AT_name .byte 1 # DW_AT_decl_file .byte 6 # DW_AT_decl_line # DW_AT_external .byte 8 # Abbrev [8] 0xaf:0xd DW_TAG_formal_parameter .byte 1 # DW_AT_location .byte 85 .long .Linfo_string4 # DW_AT_name .byte 1 # DW_AT_decl_file .byte 6 # DW_AT_decl_line .long 114 # DW_AT_type .byte 8 # Abbrev [8] 0xbc:0xd DW_TAG_formal_parameter .byte 1 # DW_AT_location .byte 84 .long .Linfo_string6 # DW_AT_name .byte 1 # DW_AT_decl_file .byte 6 # DW_AT_decl_line .long 114 # DW_AT_type .byte 0 # End Of Children Mark .byte 9 # Abbrev [9] 0xca:0x19 DW_TAG_subprogram .quad .Lfunc_begin2 # DW_AT_low_pc .long .Lfunc_end2-.Lfunc_begin2 # DW_AT_high_pc .byte 1 # DW_AT_frame_base .byte 87 # DW_AT_GNU_all_call_sites .long .Linfo_string13 # DW_AT_name .byte 1 # DW_AT_decl_file .byte 10 # DW_AT_decl_line .long 114 # DW_AT_type # DW_AT_external .byte 0 # End Of Children Mark .Ldebug_info_end0: .section .debug_ranges,"",@progbits .Ldebug_ranges0: .quad .Lfunc_begin0 .quad .Lfunc_end0 .quad .Lfunc_begin1 .quad .Lfunc_end1 .quad .Lfunc_begin2 .quad .Lfunc_end2 .quad 0 .quad 0 .section .debug_str,"MS",@progbits,1 .Linfo_string0: .asciz "clang version 18.0.0 (git@github.com:llvm/llvm-project.git 37d6c1cc7d4dd3a8a47ba62254bc88521bd50d66)" # string offset=0 .Linfo_string1: .asciz "main.cpp" # string offset=101 .Linfo_string2: .asciz "/invalidWithin" # string offset=110 .Linfo_string3: .asciz "p" # string offset=162 .Linfo_string4: .asciz "i" # string offset=164 .Linfo_string5: .asciz "int" # string offset=166 .Linfo_string6: .asciz "j" # string offset=170 .Linfo_string7: .asciz "pair" # string offset=172 .Linfo_string8: .asciz "_ZL1p" # string offset=177 .Linfo_string9: .asciz "_Z4loadv" # string offset=183 .Linfo_string10: .asciz "load" # string offset=192 .Linfo_string11: .asciz "_Z5storeii" # string offset=197 .Linfo_string12: .asciz "store" # string offset=208 .Linfo_string13: .asciz "main" # string offset=214 .ident "clang version 18.0.0 (git@github.com:llvm/llvm-project.git 37d6c1cc7d4dd3a8a47ba62254bc88521bd50d66)" .section ".note.GNU-stack","",@progbits .addrsig .section .debug_line,"",@progbits .Lline_table_start0: