# 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 # RUN: llvm-dwarfdump --show-form --verbose --debug-info %t.exe | FileCheck --check-prefix=PRECHECK %s # RUN: llvm-dwarfdump --show-form --verbose --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 ## This tests checks that re-writing of .debug_loclists is handled correctly. # PRECHECK: version = 0x0005 # PRECHECK: DW_AT_loclists_base [DW_FORM_sec_offset] (0x0000000c) # PRECHECK-EMPTY: # PRECHECK: DW_TAG_variable # PRECHECK: DW_AT_location [DW_FORM_loclistx] # PRECHECK-SAME: indexed (0x0) # PRECHECK-SAME: loclist = 0x00000010 # POSTCHECK: Addrs: [ # POSTCHECK-NEXT: 0x # POSTCHECK-NEXT: 0x # POSTCHECK-NEXT: 0x[[#%.16x,ADDR:]] # POSTCHECK: version = 0x0005 # POSTCHECK: DW_AT_loclists_base [DW_FORM_sec_offset] (0x0000000c) # POSTCHECK: DW_AT_rnglists_base [DW_FORM_sec_offset] (0x0000000c) # POSTCHECK: DW_TAG_variable # POSTCHECK: DW_AT_location [DW_FORM_loclistx] # POSTCHECK-SAME: indexed (0x0) # POSTCHECK-SAME: loclist = 0x00000010 # POSTCHECK-NEXT: [0x[[#ADDR]] # POSTCHECK-SAME: 0x[[#ADDR + 0x3]] # POSTCHECK-NEXT: [0x[[#ADDR + 0x3]] # POSTCHECK-SAME: 0x[[#ADDR + 0x4]] # clang++ main.cpp -g -O2 -S # void use(int * x) { # *x += 4; # } # # int main(int argc, char *argv[]) { # int x = argc; # use(&x); # return x; # } .text .file "main.cpp" .globl _Z3usePi # -- Begin function _Z3usePi .p2align 4, 0x90 .type _Z3usePi,@function _Z3usePi: # @_Z3usePi .Lfunc_begin0: .file 0 "testLocList" "main.cpp" md5 0x95a77c95663d823a6228bf928825e8c7 .loc 0 1 0 # main.cpp:1:0 .cfi_startproc # %bb.0: # %entry #DEBUG_VALUE: use:x <- $rdi .loc 0 2 4 prologue_end # main.cpp:2:4 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 5 0 # main.cpp:5:0 .cfi_startproc # %bb.0: # %entry #DEBUG_VALUE: main:argc <- $edi #DEBUG_VALUE: main:argv <- $rsi #DEBUG_VALUE: main:x <- $edi # kill: def $edi killed $edi def $rdi #DEBUG_VALUE: use:x <- undef .loc 0 2 4 prologue_end # main.cpp:2:4 leal 4(%rdi), %eax .Ltmp1: #DEBUG_VALUE: main:x <- $eax .loc 0 8 4 # main.cpp:8:4 retq .Ltmp2: .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 1 # Offset entry count .Lloclists_table_base0: .long .Ldebug_loc0-.Lloclists_table_base0 .Ldebug_loc0: .byte 4 # DW_LLE_offset_pair .uleb128 .Lfunc_begin1-.Lfunc_begin0 # starting offset .uleb128 .Ltmp1-.Lfunc_begin0 # ending offset .byte 1 # Loc expr size .byte 85 # super-register DW_OP_reg5 .byte 4 # DW_LLE_offset_pair .uleb128 .Ltmp1-.Lfunc_begin0 # starting offset .uleb128 .Lfunc_end1-.Lfunc_begin0 # ending offset .byte 1 # Loc expr size .byte 80 # super-register DW_OP_reg0 .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 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 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 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 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 8 # 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 9 # 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 10 # Abbreviation Code .byte 52 # DW_TAG_variable .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 11 # Abbreviation Code .byte 29 # DW_TAG_inlined_subroutine .byte 0 # DW_CHILDREN_no .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 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:0x8f 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] 0x27:0x14 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 .long 59 # DW_AT_abstract_origin .byte 3 # Abbrev [3] 0x33:0x7 DW_TAG_formal_parameter .byte 1 # DW_AT_location .byte 85 .long 64 # DW_AT_abstract_origin .byte 0 # End Of Children Mark .byte 4 # Abbrev [4] 0x3b:0xe 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 # DW_AT_external # DW_AT_inline .byte 5 # Abbrev [5] 0x40:0x8 DW_TAG_formal_parameter .byte 5 # DW_AT_name .byte 0 # DW_AT_decl_file .byte 1 # DW_AT_decl_line .long 73 # DW_AT_type .byte 0 # End Of Children Mark .byte 6 # Abbrev [6] 0x49:0x5 DW_TAG_pointer_type .long 78 # DW_AT_type .byte 7 # Abbrev [7] 0x4e:0x4 DW_TAG_base_type .byte 6 # DW_AT_name .byte 5 # DW_AT_encoding .byte 4 # DW_AT_byte_size .byte 8 # Abbrev [8] 0x52:0x3a 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 7 # DW_AT_name .byte 0 # DW_AT_decl_file .byte 5 # DW_AT_decl_line .long 78 # DW_AT_type # DW_AT_external .byte 9 # Abbrev [9] 0x61:0xa DW_TAG_formal_parameter .byte 1 # DW_AT_location .byte 85 .byte 8 # DW_AT_name .byte 0 # DW_AT_decl_file .byte 5 # DW_AT_decl_line .long 78 # DW_AT_type .byte 9 # Abbrev [9] 0x6b:0xa DW_TAG_formal_parameter .byte 1 # DW_AT_location .byte 84 .byte 9 # DW_AT_name .byte 0 # DW_AT_decl_file .byte 5 # DW_AT_decl_line .long 140 # DW_AT_type .byte 10 # Abbrev [10] 0x75:0x9 DW_TAG_variable .byte 0 # DW_AT_location .byte 5 # DW_AT_name .byte 0 # DW_AT_decl_file .byte 6 # DW_AT_decl_line .long 78 # DW_AT_type .byte 11 # Abbrev [11] 0x7e:0xd DW_TAG_inlined_subroutine .long 59 # DW_AT_abstract_origin .byte 1 # DW_AT_low_pc .long .Ltmp1-.Lfunc_begin1 # DW_AT_high_pc .byte 0 # DW_AT_call_file .byte 7 # DW_AT_call_line .byte 4 # DW_AT_call_column .byte 0 # End Of Children Mark .byte 6 # Abbrev [6] 0x8c:0x5 DW_TAG_pointer_type .long 145 # DW_AT_type .byte 6 # Abbrev [6] 0x91:0x5 DW_TAG_pointer_type .long 150 # DW_AT_type .byte 7 # Abbrev [7] 0x96:0x4 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 15.0.0)" # string offset=0 .Linfo_string1: .asciz "main.cpp" # string offset=134 .Linfo_string2: .asciz "/testLocList" # string offset=143 .Linfo_string3: .asciz "_Z3usePi" # string offset=192 .Linfo_string4: .asciz "use" # string offset=201 .Linfo_string5: .asciz "x" # string offset=205 .Linfo_string6: .asciz "int" # string offset=207 .Linfo_string7: .asciz "main" # string offset=211 .Linfo_string8: .asciz "argc" # string offset=216 .Linfo_string9: .asciz "argv" # string offset=221 .Linfo_string10: .asciz "char" # string offset=226 .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 .Ldebug_addr_end0: .ident "clang version 15.0.0" .section ".note.GNU-stack","",@progbits .addrsig .section .debug_line,"",@progbits .Lline_table_start0: