1# RUN: llvm-mc --triple=x86_64-unknown-linux --filetype=obj -dwarf-version=4 %s -o %t.o 2# RUN: llvm-dwp -e %t.o -o %t.dwp 2>&1 | FileCheck %s --check-prefix=CHECK-WARNING 3 4# CHECK-WARNING: warning: executable file does not contain any references to dwo files 5 6.ifdef GEN 7;--- main.c 8int main() { 9 return 0; 10} 11;--- gen 12clang -g -S -gdwarf-4 main.c -o - 13.endif 14 .text 15 .file "main.c" 16 .globl main # -- Begin function main 17 .p2align 4, 0x90 18 .type main,@function 19main: # @main 20.Lfunc_begin0: 21 .file 1 "/proc/self/cwd" "main.c" 22 .loc 1 8 0 # main.c:8:0 23 .cfi_startproc 24# %bb.0: # %entry 25 pushq %rbp 26 .cfi_def_cfa_offset 16 27 .cfi_offset %rbp, -16 28 movq %rsp, %rbp 29 .cfi_def_cfa_register %rbp 30 xorl %eax, %eax 31 movl $0, -4(%rbp) 32.Ltmp0: 33 .loc 1 9 5 prologue_end # main.c:9:5 34 popq %rbp 35 .cfi_def_cfa %rsp, 8 36 retq 37.Ltmp1: 38.Lfunc_end0: 39 .size main, .Lfunc_end0-main 40 .cfi_endproc 41 # -- End function 42 .section .debug_abbrev,"",@progbits 43 .byte 1 # Abbreviation Code 44 .byte 17 # DW_TAG_compile_unit 45 .byte 1 # DW_CHILDREN_yes 46 .byte 37 # DW_AT_producer 47 .byte 14 # DW_FORM_strp 48 .byte 19 # DW_AT_language 49 .byte 5 # DW_FORM_data2 50 .byte 3 # DW_AT_name 51 .byte 14 # DW_FORM_strp 52 .byte 16 # DW_AT_stmt_list 53 .byte 23 # DW_FORM_sec_offset 54 .byte 27 # DW_AT_comp_dir 55 .byte 14 # DW_FORM_strp 56 .byte 17 # DW_AT_low_pc 57 .byte 1 # DW_FORM_addr 58 .byte 18 # DW_AT_high_pc 59 .byte 6 # DW_FORM_data4 60 .byte 0 # EOM(1) 61 .byte 0 # EOM(2) 62 .byte 2 # Abbreviation Code 63 .byte 46 # DW_TAG_subprogram 64 .byte 0 # DW_CHILDREN_no 65 .byte 17 # DW_AT_low_pc 66 .byte 1 # DW_FORM_addr 67 .byte 18 # DW_AT_high_pc 68 .byte 6 # DW_FORM_data4 69 .byte 64 # DW_AT_frame_base 70 .byte 24 # DW_FORM_exprloc 71 .byte 3 # DW_AT_name 72 .byte 14 # DW_FORM_strp 73 .byte 58 # DW_AT_decl_file 74 .byte 11 # DW_FORM_data1 75 .byte 59 # DW_AT_decl_line 76 .byte 11 # DW_FORM_data1 77 .byte 73 # DW_AT_type 78 .byte 19 # DW_FORM_ref4 79 .byte 63 # DW_AT_external 80 .byte 25 # DW_FORM_flag_present 81 .byte 0 # EOM(1) 82 .byte 0 # EOM(2) 83 .byte 3 # Abbreviation Code 84 .byte 36 # DW_TAG_base_type 85 .byte 0 # DW_CHILDREN_no 86 .byte 3 # DW_AT_name 87 .byte 14 # DW_FORM_strp 88 .byte 62 # DW_AT_encoding 89 .byte 11 # DW_FORM_data1 90 .byte 11 # DW_AT_byte_size 91 .byte 11 # DW_FORM_data1 92 .byte 0 # EOM(1) 93 .byte 0 # EOM(2) 94 .byte 0 # EOM(3) 95 .section .debug_info,"",@progbits 96.Lcu_begin0: 97 .long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit 98.Ldebug_info_start0: 99 .short 4 # DWARF version number 100 .long .debug_abbrev # Offset Into Abbrev. Section 101 .byte 8 # Address Size (in bytes) 102 .byte 1 # Abbrev [1] 0xb:0x40 DW_TAG_compile_unit 103 .long .Linfo_string0 # DW_AT_producer 104 .short 12 # DW_AT_language 105 .long .Linfo_string1 # DW_AT_name 106 .long .Lline_table_start0 # DW_AT_stmt_list 107 .long .Linfo_string2 # DW_AT_comp_dir 108 .quad .Lfunc_begin0 # DW_AT_low_pc 109 .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc 110 .byte 2 # Abbrev [2] 0x2a:0x19 DW_TAG_subprogram 111 .quad .Lfunc_begin0 # DW_AT_low_pc 112 .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc 113 .byte 1 # DW_AT_frame_base 114 .byte 86 115 .long .Linfo_string3 # DW_AT_name 116 .byte 1 # DW_AT_decl_file 117 .byte 8 # DW_AT_decl_line 118 .long 67 # DW_AT_type 119 # DW_AT_external 120 .byte 3 # Abbrev [3] 0x43:0x7 DW_TAG_base_type 121 .long .Linfo_string4 # DW_AT_name 122 .byte 5 # DW_AT_encoding 123 .byte 4 # DW_AT_byte_size 124 .byte 0 # End Of Children Mark 125.Ldebug_info_end0: 126 .section .debug_str,"MS",@progbits,1 127.Linfo_string0: 128 .byte 0 # string offset=0 129.Linfo_string1: 130 .asciz "main.c" # string offset=1 131.Linfo_string2: 132 .asciz "/proc/self/cwd" # string offset=8 133.Linfo_string3: 134 .asciz "main" # string offset=23 135.Linfo_string4: 136 .asciz "int" # string offset=28 137 .section .GCC.command.line,"MS",@progbits,1 138 .zero 1 139 .ascii "/usr/local/bin/clang-11 -Qn -g -S -gdwarf-4 main.c -o -" 140 .zero 1 141 .section .debug_str,"MS",@progbits,1 142 .section ".note.GNU-stack","",@progbits 143 .addrsig 144 .section .debug_line,"",@progbits 145.Lline_table_start0: 146