# REQUIRES: x86 # RUN: llvm-mc -triple=x86_64-pc-linux -filetype=obj %s > %t # RUN: lldb-test symbols %t &> %t.txt # RUN: cat %t.txt | FileCheck %s # Tests that error is printed correctly when DW_AT_low_pc value is # greater then a range entry. # CHECK: 0x0000006e: adding range [0x0000000000000000-0x000000000000001f) # CHECK-SAME: which has a base that is less than the function's low PC 0x0000000000000021. # CHECK-SAME: Please file a bug and attach the file at the start of this error message # Test was manually modified to change DW_TAG_lexical_block # to use DW_AT_ranges, and value lower then DW_AT_low_pc value # in DW_TAG_subprogram # static int foo(bool b) { # if (b) { # int food = 1; # return food; # } # return 0; # } # int main() { # return foo(true); # } .text .file "main.cpp" .section .text.main,"ax",@progbits .globl main # -- Begin function main .p2align 4, 0x90 .type main,@function main: # @main .Lfunc_begin0: .file 1 "base-lower-then-range-entry" "main.cpp" .loc 1 8 0 # main.cpp:8:0 .cfi_startproc # %bb.0: # %entry pushq %rbp .cfi_def_cfa_offset 16 .cfi_offset %rbp, -16 movq %rsp, %rbp .cfi_def_cfa_register %rbp subq $16, %rsp movl $0, -4(%rbp) .Ltmp0: .loc 1 9 10 prologue_end # main.cpp:9:10 movl $1, %edi callq _ZL3foob .loc 1 9 3 epilogue_begin is_stmt 0 # main.cpp:9:3 addq $16, %rsp popq %rbp .cfi_def_cfa %rsp, 8 retq .Ltmp1: .Lfunc_end0: .size main, .Lfunc_end0-main .cfi_endproc # -- End function .section .text._ZL3foob,"ax",@progbits .p2align 4, 0x90 # -- Begin function _ZL3foob .type _ZL3foob,@function _ZL3foob: # @_ZL3foob .Lfunc_begin1: .loc 1 1 0 is_stmt 1 # main.cpp:1:0 .cfi_startproc # %bb.0: # %entry pushq %rbp .cfi_def_cfa_offset 16 .cfi_offset %rbp, -16 movq %rsp, %rbp .cfi_def_cfa_register %rbp movb %dil, %al andb $1, %al movb %al, -5(%rbp) .Ltmp2: .loc 1 2 7 prologue_end # main.cpp:2:7 testb $1, -5(%rbp) je .LBB1_2 # %bb.1: # %if.then .Ltmp3: .loc 1 3 8 # main.cpp:3:8 movl $1, -12(%rbp) .loc 1 4 12 # main.cpp:4:12 movl -12(%rbp), %eax .loc 1 4 5 is_stmt 0 # main.cpp:4:5 movl %eax, -4(%rbp) jmp .LBB1_3 .Ltmp4: .LBB1_2: # %if.end .loc 1 6 3 is_stmt 1 # main.cpp:6:3 movl $0, -4(%rbp) .LBB1_3: # %return .loc 1 7 1 # main.cpp:7:1 movl -4(%rbp), %eax .loc 1 7 1 epilogue_begin is_stmt 0 # main.cpp:7:1 popq %rbp .cfi_def_cfa %rsp, 8 retq .Ltmp5: .Lfunc_end1: .size _ZL3foob, .Lfunc_end1-_ZL3foob .cfi_endproc # -- 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 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 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 .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 3 # 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 .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 0 # EOM(1) .byte 0 # EOM(2) .byte 4 # 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 5 # Abbreviation Code .byte 11 # DW_TAG_lexical_block .byte 1 # DW_CHILDREN_yes .byte 85 # DW_AT_ranges <------ Manually modified. Replaced low_pc/high)_pc with rangres. .byte 23 # DW_FORM_sec_offset .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 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 7 # 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 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:0x8f 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:0x19 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 86 .long .Linfo_string3 # DW_AT_name .byte 1 # DW_AT_decl_file .byte 8 # DW_AT_decl_line .long 138 # DW_AT_type # DW_AT_external .byte 3 # Abbrev [3] 0x43:0x48 DW_TAG_subprogram .quad .Lfunc_begin1 + 1 # DW_AT_low_pc .long .Lfunc_end1-.Lfunc_begin1 # DW_AT_high_pc .byte 1 # DW_AT_frame_base .byte 86 .long .Linfo_string5 # DW_AT_linkage_name .long .Linfo_string6 # DW_AT_name .byte 1 # DW_AT_decl_file .byte 1 # DW_AT_decl_line .long 138 # DW_AT_type .byte 4 # Abbrev [4] 0x60:0xe DW_TAG_formal_parameter .byte 2 # DW_AT_location .byte 145 .byte 123 .long .Linfo_string7 # DW_AT_name .byte 1 # DW_AT_decl_file .byte 1 # DW_AT_decl_line .long 138 # DW_AT_type .byte 5 # Abbrev [5] 0x6e:0x1c DW_TAG_lexical_block .long .Ldebug_ranges0 # DW_AT_ranges <-- Manually modified replaced low_pc/high_pc to rangres. .byte 6 # Abbrev [6] 0x7b:0xe DW_TAG_variable .byte 2 # DW_AT_location .byte 145 .byte 116 .long .Linfo_string9 # DW_AT_name .byte 1 # DW_AT_decl_file .byte 3 # DW_AT_decl_line .long 138 # DW_AT_type .byte 0 # End Of Children Mark .byte 0 # End Of Children Mark .byte 7 # Abbrev [7] 0x8b:0x7 DW_TAG_base_type .long .Linfo_string4 # DW_AT_name .byte 5 # DW_AT_encoding .byte 4 # DW_AT_byte_size .byte 7 # Abbrev [7] 0x92:0x7 DW_TAG_base_type .long .Linfo_string8 # DW_AT_name .byte 2 # DW_AT_encoding .byte 1 # DW_AT_byte_size .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 0 .quad 0 .section .debug_str,"MS",@progbits,1 .Linfo_string0: .asciz "clang version 17.0.0 (https://github.com/llvm/llvm-project.git 73027ae39b1492e5b6033358a13b86d7d1e781ae)" # string offset=0 .Linfo_string1: .asciz "main.cpp" # string offset=105 .Linfo_string2: .asciz "base-lower-then-range-entry" # string offset=114 .Linfo_string3: .asciz "main" # string offset=179 .Linfo_string4: .asciz "int" # string offset=184 .Linfo_string5: .asciz "_ZL3foob" # string offset=188 .Linfo_string6: .asciz "foo" # string offset=197 .Linfo_string7: .asciz "b" # string offset=201 .Linfo_string8: .asciz "bool" # string offset=203 .Linfo_string9: .asciz "food" # string offset=208 .ident "clang version 17.0.0 (https://github.com/llvm/llvm-project.git 73027ae39b1492e5b6033358a13b86d7d1e781ae)" .section ".note.GNU-stack","",@progbits .addrsig .addrsig_sym _ZL3foob .section .debug_line,"",@progbits .Lline_table_start0: