1# REQUIRES: system-linux 2 3# RUN: llvm-mc -filetype=obj -triple x86_64-unknown-linux %s -o %t1.o 4# RUN: %clang %cflags %t1.o -o %t.exe -Wl,-q 5# RUN: llvm-bolt %t.exe -o %t.bolt --update-debug-sections 6# RUN: llvm-dwarfdump --show-form --verbose --debug-info %t.exe | FileCheck --check-prefix=PRECHECK %s 7# RUN: llvm-dwarfdump --show-form --verbose --debug-info %t.bolt | FileCheck --check-prefix=POSTCHECK %s 8 9# PRECHECK: DW_AT_high_pc [DW_FORM_udata] (15) 10# PRECHECK-NEXT: DW_AT_name [DW_FORM_strp] 11# PRECHECK-SAME: "main.cpp" 12 13# POSTCHECK: DW_AT_ranges [DW_FORM_sec_offset] 14# POSTCHECK-NEXT: [ 15# POSTCHECK-NEXT: DW_AT_name [DW_FORM_strp] 16# POSTCHECK-SAME: "main.cpp" 17 18## Testing that BOLT transforms DW_AT_high_pc of form DW_FORM_udata correctly into DW_AT_ranges. 19## Manually changed so that DW_AT_high_pc is DW_FORM_udata, and that DW_AT_name is after it. 20# int main() { 21# return 0; 22# } 23.text 24 .file "main.cpp" 25 .globl main # -- Begin function main 26 .p2align 4, 0x90 27 .type main,@function 28main: # @main 29.Lfunc_begin0: 30 .file 1 "" "main.cpp" 31 .loc 1 1 0 # main.cpp:1:0 32 .cfi_startproc 33# %bb.0: # %entry 34 pushq %rbp 35 .cfi_def_cfa_offset 16 36 .cfi_offset %rbp, -16 37 movq %rsp, %rbp 38 .cfi_def_cfa_register %rbp 39 movl $0, -4(%rbp) 40.Ltmp0: 41 .loc 1 2 1 prologue_end # main.cpp:2:1 42 xorl %eax, %eax 43 popq %rbp 44 .cfi_def_cfa %rsp, 8 45 retq 46.Ltmp1: 47.Lfunc_end0: 48 .size main, .Lfunc_end0-main 49 .cfi_endproc 50 # -- End function 51 .section .debug_abbrev,"",@progbits 52 .byte 1 # Abbreviation Code 53 .byte 17 # DW_TAG_compile_unit 54 .byte 1 # DW_CHILDREN_yes 55 .byte 37 # DW_AT_producer 56 .byte 14 # DW_FORM_strp 57 .byte 19 # DW_AT_language 58 .byte 5 # DW_FORM_data2 59 .byte 16 # DW_AT_stmt_list 60 .byte 23 # DW_FORM_sec_offset 61 .byte 27 # DW_AT_comp_dir 62 .byte 14 # DW_FORM_strp 63 .byte 17 # DW_AT_low_pc 64 .byte 1 # DW_FORM_addr 65 .byte 18 # DW_AT_high_pc 66 .byte 15 # DW_FORM_udata 67 .byte 3 # DW_AT_name 68 .byte 14 # DW_FORM_strp 69 .byte 0 # EOM(1) 70 .byte 0 # EOM(2) 71 .byte 2 # Abbreviation Code 72 .byte 46 # DW_TAG_subprogram 73 .byte 0 # DW_CHILDREN_no 74 .byte 17 # DW_AT_low_pc 75 .byte 1 # DW_FORM_addr 76 .byte 18 # DW_AT_high_pc 77 .byte 6 # DW_FORM_data4 78 .byte 64 # DW_AT_frame_base 79 .byte 24 # DW_FORM_exprloc 80 .byte 3 # DW_AT_name 81 .byte 14 # DW_FORM_strp 82 .byte 58 # DW_AT_decl_file 83 .byte 11 # DW_FORM_data1 84 .byte 59 # DW_AT_decl_line 85 .byte 11 # DW_FORM_data1 86 .byte 73 # DW_AT_type 87 .byte 19 # DW_FORM_ref4 88 .byte 63 # DW_AT_external 89 .byte 25 # DW_FORM_flag_present 90 .byte 0 # EOM(1) 91 .byte 0 # EOM(2) 92 .byte 3 # Abbreviation Code 93 .byte 36 # DW_TAG_base_type 94 .byte 0 # DW_CHILDREN_no 95 .byte 3 # DW_AT_name 96 .byte 14 # DW_FORM_strp 97 .byte 62 # DW_AT_encoding 98 .byte 11 # DW_FORM_data1 99 .byte 11 # DW_AT_byte_size 100 .byte 11 # DW_FORM_data1 101 .byte 0 # EOM(1) 102 .byte 0 # EOM(2) 103 .byte 0 # EOM(3) 104 .section .debug_info,"",@progbits 105.Lcu_begin0: 106 .long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit 107.Ldebug_info_start0: 108 .short 4 # DWARF version number 109 .long .debug_abbrev # Offset Into Abbrev. Section 110 .byte 8 # Address Size (in bytes) 111 .byte 1 # Abbrev [1] 0xb:0x40 DW_TAG_compile_unit 112 .long .Linfo_string0 # DW_AT_producer 113 .short 33 # DW_AT_language 114 .long .Lline_table_start0 # DW_AT_stmt_list 115 .long .Linfo_string2 # DW_AT_comp_dir 116 .quad .Lfunc_begin0 # DW_AT_low_pc 117 .byte .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc 118 .long .Linfo_string1 # DW_AT_name 119 .byte 2 # Abbrev [2] 0x2a:0x19 DW_TAG_subprogram 120 .quad .Lfunc_begin0 # DW_AT_low_pc 121 .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc 122 .byte 1 # DW_AT_frame_base 123 .byte 86 124 .long .Linfo_string3 # DW_AT_name 125 .byte 1 # DW_AT_decl_file 126 .byte 1 # DW_AT_decl_line 127 .long 64 # DW_AT_type 128 # DW_AT_external 129 .byte 3 # Abbrev [3] 0x43:0x7 DW_TAG_base_type 130 .long .Linfo_string4 # DW_AT_name 131 .byte 5 # DW_AT_encoding 132 .byte 4 # DW_AT_byte_size 133 .byte 0 # End Of Children Mark 134.Ldebug_info_end0: 135 .section .debug_str,"MS",@progbits,1 136.Linfo_string0: 137 .asciz "clang" # string offset=0 138.Linfo_string1: 139 .asciz "main.cpp" # string offset=134 140.Linfo_string2: 141 .asciz "test" # string offset=143 142.Linfo_string3: 143 .asciz "main" # string offset=186 144.Linfo_string4: 145 .asciz "int" # string offset=191 146 .ident "clang" 147 .section ".note.GNU-stack","",@progbits 148 .addrsig 149 .section .debug_line,"",@progbits 150.Lline_table_start0: 151