# REQUIRES: system-linux # RUN: llvm-mc -dwarf-version=5 -filetype=obj -triple x86_64-unknown-linux %s -o %t1.o # RUN: %clang %cflags -dwarf-5 %t1.o -o %t.exe -Wl,-q # RUN: llvm-bolt %t.exe -o %t.bolt --update-debug-sections --skip-funcs=main # RUN: llvm-dwarfdump --show-form --verbose --debug-loclists --debug-addr %t.bolt > %t.txt # RUN: llvm-dwarfdump --show-form --verbose --debug-info %t.bolt >> %t.txt # RUN: cat %t.txt | FileCheck --check-prefix=POSTCHECK %s ## Tests to make sure BOLT handles correctly locations that are out of order, and the function is not being processed. # POSTCHECK: DW_LLE_base_addressx # POSTCHECK-NEXT: DW_LLE_offset_pair # POSTCHECK-NEXT: DW_LLE_offset_pair # POSTCHECK-NEXT: DW_LLE_startx_length # POSTCHECK-NEXT: DW_LLE_end_of_list # POSTCHECK: DW_LLE_base_addressx # POSTCHECK-NEXT: DW_LLE_offset_pair # POSTCHECK-NEXT: DW_LLE_offset_pair # POSTCHECK-NEXT: DW_LLE_end_of_list # POSTCHECK: Addrs: [ # POSTCHECK-NEXT: 0x[[#%.16x,ADDR:]] # POSTCHECK-NEXT: 0x # POSTCHECK-NEXT: 0x # POSTCHECK-NEXT: 0x[[#%.16x,ADDR1:]] # POSTCHECK-NEXT: 0x # POSTCHECK-NEXT: 0x # POSTCHECK: DW_TAG_formal_parameter # POSTCHECK: DW_TAG_formal_parameter # POSTCHECK-NEXT: DW_AT_location # POSTCHECK-NEXT: [0x[[#ADDR1]], 0x[[#ADDR1 + 0x1a]]): DW_OP_reg3 RBX # POSTCHECK-NEXT: [0x[[#ADDR1 + 0x1a]], 0x[[#ADDR1 + 0x1d]]): DW_OP_entry_value(DW_OP_reg5 RDI), DW_OP_stack_value # POSTCHECK-NEXT: [0x[[#ADDR]], 0x[[#ADDR + 0x12]]): DW_OP_reg5 RDI) ## clang++ main.cpp -fno-inline-functions -g2 -O2 -S ## void use(int * x) { ## *x += 4; ## } ## int main(int argc, char *argv[]) { ## int x = argc; ## use(&x); ## x = x + argc; ## use(&x); ## return x; ## } ## Test was manually modified to re-order locations. .text .file "main.cpp" .globl _Z3usePi # -- Begin function _Z3usePi .p2align 4, 0x90 .type _Z3usePi,@function _Z3usePi: # @_Z3usePi .Lfunc_begin0: .file 0 "/repro" "main.cpp" md5 0xe24a1d6afb5e23ce0028f1f33bc08cd7 .cfi_startproc # %bb.0: # %entry #DEBUG_VALUE: use:x <- $rdi .loc 0 2 8 prologue_end # main.cpp:2:8 addl $4, (%rdi) .loc 0 3 1 # main.cpp:3:1 retq .Ltmp0: .Lfunc_end0: .size _Z3usePi, .Lfunc_end0-_Z3usePi .cfi_endproc # -- End function .globl main # -- Begin function main .p2align 4, 0x90 .type main,@function main: # @main .Lfunc_begin1: .loc 0 4 0 # main.cpp:4:0 .cfi_startproc # %bb.0: # %entry #DEBUG_VALUE: main:argc <- $edi #DEBUG_VALUE: main:argv <- $rsi pushq %r14 .cfi_def_cfa_offset 16 pushq %rbx .cfi_def_cfa_offset 24 pushq %rax .cfi_def_cfa_offset 32 .cfi_offset %rbx, -24 .cfi_offset %r14, -16 movl %edi, %ebx .Ltmp1: .loc 0 5 7 prologue_end # main.cpp:5:7 movl %edi, 4(%rsp) leaq 4(%rsp), %r14 .loc 0 6 3 # main.cpp:6:3 movq %r14, %rdi .Ltmp2: #DEBUG_VALUE: main:argc <- $ebx callq _Z3usePi .Ltmp3: #DEBUG_VALUE: main:argv <- [DW_OP_LLVM_entry_value 1] $rsi .loc 0 7 5 # main.cpp:7:5 addl %ebx, 4(%rsp) .loc 0 8 3 # main.cpp:8:3 movq %r14, %rdi callq _Z3usePi .Ltmp4: .loc 0 9 10 # main.cpp:9:10 movl 4(%rsp), %eax .loc 0 9 3 epilogue_begin is_stmt 0 # main.cpp:9:3 addq $8, %rsp .cfi_def_cfa_offset 24 popq %rbx .Ltmp5: #DEBUG_VALUE: main:argc <- [DW_OP_LLVM_entry_value 1] $edi .cfi_def_cfa_offset 16 popq %r14 .cfi_def_cfa_offset 8 retq .Ltmp6: .Lfunc_end1: .size main, .Lfunc_end1-main .cfi_endproc # -- End function .section .debug_loclists,"",@progbits .long .Ldebug_list_header_end0-.Ldebug_list_header_start0 # Length .Ldebug_list_header_start0: .short 5 # Version .byte 8 # Address size .byte 0 # Segment selector size .long 2 # Offset entry count .Lloclists_table_base0: .long .Ldebug_loc0-.Lloclists_table_base0 .long .Ldebug_loc1-.Lloclists_table_base0 .Ldebug_loc0: .byte 4 # DW_LLE_offset_pair .uleb128 .Ltmp2-.Lfunc_begin0 # starting offset .uleb128 .Ltmp5-.Lfunc_begin0 # ending offset .byte 1 # Loc expr size .byte 83 # super-register DW_OP_reg3 .byte 4 # DW_LLE_offset_pair .uleb128 .Ltmp5-.Lfunc_begin0 # starting offset .uleb128 .Lfunc_end1-.Lfunc_begin0 # ending offset .byte 4 # Loc expr size .byte 163 # DW_OP_entry_value .byte 1 # 1 .byte 85 # super-register DW_OP_reg5 .byte 159 # DW_OP_stack_value .byte 4 # DW_LLE_offset_pair #manually moved out of order .uleb128 .Lfunc_begin1-.Lfunc_begin0 # starting offset .uleb128 .Ltmp2-.Lfunc_begin0 # ending offset .byte 1 # Loc expr size .byte 85 # super-register DW_OP_reg5 .byte 0 # DW_LLE_end_of_list .Ldebug_loc1: .byte 4 # DW_LLE_offset_pair .uleb128 .Lfunc_begin1-.Lfunc_begin0 # starting offset .uleb128 .Ltmp3-.Lfunc_begin0 # ending offset .byte 1 # Loc expr size .byte 84 # DW_OP_reg4 .byte 4 # DW_LLE_offset_pair .uleb128 .Ltmp3-.Lfunc_begin0 # starting offset .uleb128 .Lfunc_end1-.Lfunc_begin0 # ending offset .byte 4 # Loc expr size .byte 163 # DW_OP_entry_value .byte 1 # 1 .byte 84 # DW_OP_reg4 .byte 159 # DW_OP_stack_value .byte 0 # DW_LLE_end_of_list .Ldebug_list_header_end0: .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 .ascii "\214\001" # DW_AT_loclists_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 122 # DW_AT_call_all_calls .byte 25 # DW_FORM_flag_present .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 63 # DW_AT_external .byte 25 # DW_FORM_flag_present .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 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 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 122 # DW_AT_call_all_calls .byte 25 # DW_FORM_flag_present .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 5 # Abbreviation Code .byte 5 # DW_TAG_formal_parameter .byte 0 # DW_CHILDREN_no .byte 2 # DW_AT_location .byte 34 # DW_FORM_loclistx .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 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 7 # Abbreviation Code .byte 72 # DW_TAG_call_site .byte 1 # DW_CHILDREN_yes .byte 127 # DW_AT_call_origin .byte 19 # DW_FORM_ref4 .byte 125 # DW_AT_call_return_pc .byte 27 # DW_FORM_addrx .byte 0 # EOM(1) .byte 0 # EOM(2) .byte 8 # Abbreviation Code .byte 73 # DW_TAG_call_site_parameter .byte 0 # DW_CHILDREN_no .byte 2 # DW_AT_location .byte 24 # DW_FORM_exprloc .byte 126 # DW_AT_call_value .byte 24 # DW_FORM_exprloc .byte 0 # EOM(1) .byte 0 # EOM(2) .byte 9 # 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 10 # 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:0x91 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 .long .Lloclists_table_base0 # DW_AT_loclists_base .byte 2 # Abbrev [2] 0x27:0x17 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 87 # DW_AT_call_all_calls .byte 3 # DW_AT_linkage_name .byte 4 # DW_AT_name .byte 0 # DW_AT_decl_file .byte 1 # DW_AT_decl_line # DW_AT_external .byte 3 # Abbrev [3] 0x33:0xa DW_TAG_formal_parameter .byte 1 # DW_AT_location .byte 85 .byte 7 # DW_AT_name .byte 0 # DW_AT_decl_file .byte 1 # DW_AT_decl_line .long 137 # DW_AT_type .byte 0 # End Of Children Mark .byte 4 # Abbrev [4] 0x3e: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 87 # DW_AT_call_all_calls .byte 5 # DW_AT_name .byte 0 # DW_AT_decl_file .byte 4 # DW_AT_decl_line .long 133 # DW_AT_type # DW_AT_external .byte 5 # Abbrev [5] 0x4d:0x9 DW_TAG_formal_parameter .byte 0 # DW_AT_location .byte 8 # DW_AT_name .byte 0 # DW_AT_decl_file .byte 4 # DW_AT_decl_line .long 133 # DW_AT_type .byte 5 # Abbrev [5] 0x56:0x9 DW_TAG_formal_parameter .byte 1 # DW_AT_location .byte 9 # DW_AT_name .byte 0 # DW_AT_decl_file .byte 4 # DW_AT_decl_line .long 142 # DW_AT_type .byte 6 # Abbrev [6] 0x5f:0xb DW_TAG_variable .byte 2 # DW_AT_location .byte 145 .byte 4 .byte 7 # DW_AT_name .byte 0 # DW_AT_decl_file .byte 5 # DW_AT_decl_line .long 133 # DW_AT_type .byte 7 # Abbrev [7] 0x6a:0xd DW_TAG_call_site .long 39 # DW_AT_call_origin .byte 2 # DW_AT_call_return_pc .byte 8 # Abbrev [8] 0x70:0x6 DW_TAG_call_site_parameter .byte 1 # DW_AT_location .byte 85 .byte 2 # DW_AT_call_value .byte 126 .byte 0 .byte 0 # End Of Children Mark .byte 7 # Abbrev [7] 0x77:0xd DW_TAG_call_site .long 39 # DW_AT_call_origin .byte 3 # DW_AT_call_return_pc .byte 8 # Abbrev [8] 0x7d:0x6 DW_TAG_call_site_parameter .byte 1 # DW_AT_location .byte 85 .byte 2 # DW_AT_call_value .byte 126 .byte 0 .byte 0 # End Of Children Mark .byte 0 # End Of Children Mark .byte 9 # Abbrev [9] 0x85:0x4 DW_TAG_base_type .byte 6 # DW_AT_name .byte 5 # DW_AT_encoding .byte 4 # DW_AT_byte_size .byte 10 # Abbrev [10] 0x89:0x5 DW_TAG_pointer_type .long 133 # DW_AT_type .byte 10 # Abbrev [10] 0x8e:0x5 DW_TAG_pointer_type .long 147 # DW_AT_type .byte 10 # Abbrev [10] 0x93:0x5 DW_TAG_pointer_type .long 152 # DW_AT_type .byte 9 # Abbrev [9] 0x98:0x4 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 19.0.0git (git@github.com:ayermolo/llvm-project.git a1e412af2bf4bf613021f72205f249ab2469f08b)" # string offset=0 .Linfo_string1: .asciz "main.cpp" # string offset=108 .Linfo_string2: .asciz "/repro" # string offset=117 .Linfo_string3: .asciz "_Z3usePi" # string offset=161 .Linfo_string4: .asciz "use" # string offset=170 .Linfo_string5: .asciz "main" # string offset=174 .Linfo_string6: .asciz "int" # string offset=179 .Linfo_string7: .asciz "x" # string offset=183 .Linfo_string8: .asciz "argc" # string offset=185 .Linfo_string9: .asciz "argv" # string offset=190 .Linfo_string10: .asciz "char" # string offset=195 .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_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 .quad .Ltmp4 .Ldebug_addr_end0: .ident "clang version 19.0.0git (git@github.com:ayermolo/llvm-project.git a1e412af2bf4bf613021f72205f249ab2469f08b)" .section ".note.GNU-stack","",@progbits .addrsig .section .debug_line,"",@progbits .Lline_table_start0: