## Use llvm-dwarfdump to check the integrity of the inlined function "bar" ## DWARF range after llvm-bolt removes a 6-byte nop instruction. ## ## If the range is not properly updated, it will exceed the range of the ## containing function causing llvm-dwarfdump to issue an error. # CHECK-NOT: error: DIE address ranges are not contained in its parent's ranges # REQUIRES: system-linux # RUN: %clang++ %cflags -gdwarf-4 %s -o %t.exe -Wl,-q # RUN: llvm-bolt %t.exe -o %t.bolt --update-debug-sections # RUN: llvm-dwarfdump --verify %t.bolt | FileCheck %s # Test compiled with "-O2 -g" from: # # unsigned long bar(unsigned long i) { # asm volatile("nopw %cs:(%rax,%rax)"); # return ++i; # } # # int main(int argc, char **argv) { # bar(argc); # return 0; # } .text .file "dwarf-inline-range.cpp" .globl _Z3barm # -- Begin function _Z3barm .p2align 4, 0x90 .type _Z3barm,@function _Z3barm: # @_Z3barm .Lfunc_begin0: .file 1 "." "dwarf-inline-range.cpp" .loc 1 1 0 # dwarf-inline-range.cpp:1:0 .cfi_startproc # %bb.0: #DEBUG_VALUE: bar:i <- $rdi .loc 1 2 3 prologue_end # dwarf-inline-range.cpp:2:3 #APP nopw %cs:(%rax,%rax) #NO_APP .loc 1 3 10 # dwarf-inline-range.cpp:3:10 leaq 1(%rdi), %rax .Ltmp0: #DEBUG_VALUE: bar:i <- $rax .loc 1 3 3 is_stmt 0 # dwarf-inline-range.cpp:3:3 retq .Ltmp1: .Lfunc_end0: .size _Z3barm, .Lfunc_end0-_Z3barm .cfi_endproc # -- End function .globl main # -- Begin function main .p2align 4, 0x90 .type main,@function main: # @main .Lfunc_begin1: .loc 1 6 0 is_stmt 1 # dwarf-inline-range.cpp:6:0 .cfi_startproc # %bb.0: #DEBUG_VALUE: main:argc <- $edi #DEBUG_VALUE: main:argv <- $rsi #DEBUG_VALUE: bar:i <- [DW_OP_LLVM_convert 32 5, DW_OP_LLVM_convert 64 5, DW_OP_stack_value] $edi .loc 1 2 3 prologue_end # dwarf-inline-range.cpp:2:3 #APP nopw %cs:(%rax,%rax) #NO_APP .Ltmp2: #DEBUG_VALUE: bar:i <- [DW_OP_LLVM_convert 32 5, DW_OP_LLVM_convert 64 5, DW_OP_plus_uconst 1, DW_OP_stack_value] undef .loc 1 8 3 # dwarf-inline-range.cpp:8:3 xorl %eax, %eax retq .Ltmp3: .Lfunc_end1: .size main, .Lfunc_end1-main .cfi_endproc # -- End function .section .debug_loc,"",@progbits .Ldebug_loc0: .quad .Lfunc_begin0-.Lfunc_begin0 .quad .Ltmp0-.Lfunc_begin0 .short 1 # Loc expr size .byte 85 # DW_OP_reg5 .quad .Ltmp0-.Lfunc_begin0 .quad .Lfunc_end0-.Lfunc_begin0 .short 1 # Loc expr size .byte 80 # DW_OP_reg0 .quad 0 .quad 0 .Ldebug_loc1: .quad .Lfunc_begin1-.Lfunc_begin0 .quad .Ltmp2-.Lfunc_begin0 .short 21 # Loc expr size .byte 117 # DW_OP_breg5 .byte 0 # 0 .byte 16 # DW_OP_constu .byte 255 # 4294967295 .byte 255 # .byte 255 # .byte 255 # .byte 15 # .byte 26 # DW_OP_and .byte 18 # DW_OP_dup .byte 16 # DW_OP_constu .byte 31 # 31 .byte 37 # DW_OP_shr .byte 48 # DW_OP_lit0 .byte 32 # DW_OP_not .byte 30 # DW_OP_mul .byte 16 # DW_OP_constu .byte 32 # 32 .byte 36 # DW_OP_shl .byte 33 # DW_OP_or .byte 159 # DW_OP_stack_value .quad 0 .quad 0 .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 18 # DW_AT_high_pc .byte 6 # DW_FORM_data4 .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 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 .ascii "\227B" # DW_AT_GNU_all_call_sites .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 23 # DW_FORM_sec_offset .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 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 63 # DW_AT_external .byte 25 # DW_FORM_flag_present .byte 32 # DW_AT_inline .byte 11 # DW_FORM_data1 .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 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 6 # 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 7 # 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 .ascii "\227B" # DW_AT_GNU_all_call_sites .byte 25 # DW_FORM_flag_present .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 8 # 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 9 # Abbreviation Code .byte 29 # DW_TAG_inlined_subroutine .byte 1 # DW_CHILDREN_yes .byte 49 # DW_AT_abstract_origin .byte 19 # DW_FORM_ref4 .byte 17 # DW_AT_low_pc .byte 1 # DW_FORM_addr .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 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 4 # DWARF version number .long .debug_abbrev # Offset Into Abbrev. Section .byte 8 # Address Size (in bytes) .byte 1 # Abbrev [1] 0xb:0xca 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 .Lfunc_begin0 # DW_AT_low_pc .long .Lfunc_end1-.Lfunc_begin0 # DW_AT_high_pc .byte 2 # Abbrev [2] 0x2a:0x1d 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 87 # DW_AT_GNU_all_call_sites .long 71 # DW_AT_abstract_origin .byte 3 # Abbrev [3] 0x3d:0x9 DW_TAG_formal_parameter .long .Ldebug_loc0 # DW_AT_location .long 87 # DW_AT_abstract_origin .byte 0 # End Of Children Mark .byte 4 # Abbrev [4] 0x47:0x1c DW_TAG_subprogram .long .Linfo_string3 # DW_AT_linkage_name .long .Linfo_string4 # DW_AT_name .byte 1 # DW_AT_decl_file .byte 1 # DW_AT_decl_line .long 99 # DW_AT_type # DW_AT_external .byte 1 # DW_AT_inline .byte 5 # Abbrev [5] 0x57:0xb DW_TAG_formal_parameter .long .Linfo_string6 # DW_AT_name .byte 1 # DW_AT_decl_file .byte 1 # DW_AT_decl_line .long 99 # DW_AT_type .byte 0 # End Of Children Mark .byte 6 # Abbrev [6] 0x63:0x7 DW_TAG_base_type .long .Linfo_string5 # DW_AT_name .byte 7 # DW_AT_encoding .byte 8 # DW_AT_byte_size .byte 7 # Abbrev [7] 0x6a:0x52 DW_TAG_subprogram .quad .Lfunc_begin1 # DW_AT_low_pc .long .Lfunc_end1-.Lfunc_begin1 # DW_AT_high_pc .byte 1 # DW_AT_frame_base .byte 87 # DW_AT_GNU_all_call_sites .long .Linfo_string7 # DW_AT_name .byte 1 # DW_AT_decl_file .byte 6 # DW_AT_decl_line .long 188 # DW_AT_type # DW_AT_external .byte 8 # Abbrev [8] 0x83:0xd DW_TAG_formal_parameter .byte 1 # DW_AT_location .byte 85 .long .Linfo_string9 # DW_AT_name .byte 1 # DW_AT_decl_file .byte 6 # DW_AT_decl_line .long 188 # DW_AT_type .byte 8 # Abbrev [8] 0x90:0xd DW_TAG_formal_parameter .byte 1 # DW_AT_location .byte 84 .long .Linfo_string10 # DW_AT_name .byte 1 # DW_AT_decl_file .byte 6 # DW_AT_decl_line .long 195 # DW_AT_type .byte 9 # Abbrev [9] 0x9d:0x1e DW_TAG_inlined_subroutine .long 71 # DW_AT_abstract_origin .quad .Lfunc_begin1 # DW_AT_low_pc .long .Ltmp2-.Lfunc_begin1 # DW_AT_high_pc .byte 1 # DW_AT_call_file .byte 7 # DW_AT_call_line .byte 3 # DW_AT_call_column .byte 3 # Abbrev [3] 0xb1:0x9 DW_TAG_formal_parameter .long .Ldebug_loc1 # DW_AT_location .long 87 # DW_AT_abstract_origin .byte 0 # End Of Children Mark .byte 0 # End Of Children Mark .byte 6 # Abbrev [6] 0xbc:0x7 DW_TAG_base_type .long .Linfo_string8 # DW_AT_name .byte 5 # DW_AT_encoding .byte 4 # DW_AT_byte_size .byte 10 # Abbrev [10] 0xc3:0x5 DW_TAG_pointer_type .long 200 # DW_AT_type .byte 10 # Abbrev [10] 0xc8:0x5 DW_TAG_pointer_type .long 205 # DW_AT_type .byte 6 # Abbrev [6] 0xcd:0x7 DW_TAG_base_type .long .Linfo_string11 # 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,"MS",@progbits,1 .Linfo_string0: .asciz "clang version 15" .Linfo_string1: .asciz "dwarf-inline-range.cpp" # string offset=69 .Linfo_string2: .asciz "." # string offset=92 .Linfo_string3: .asciz "_Z3barm" # string offset=112 .Linfo_string4: .asciz "bar" # string offset=120 .Linfo_string5: .asciz "unsigned long" # string offset=124 .Linfo_string6: .asciz "i" # string offset=138 .Linfo_string7: .asciz "main" # string offset=140 .Linfo_string8: .asciz "int" # string offset=145 .Linfo_string9: .asciz "argc" # string offset=149 .Linfo_string10: .asciz "argv" # string offset=154 .Linfo_string11: .asciz "char" # string offset=159 .ident "clang version 15" .section ".note.GNU-stack","",@progbits .addrsig .section .debug_line,"",@progbits .Lline_table_start0: