365 lines
17 KiB
ArmAsm
365 lines
17 KiB
ArmAsm
# REQUIRES: system-linux
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# RUN: llvm-mc -dwarf-version=4 -filetype=obj -triple x86_64-unknown-linux %s -o %tmain.o
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# RUN: %clang %cflags -dwarf-5 %tmain.o -o %t.exe -Wl,-q
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# RUN: llvm-bolt %t.exe -o %t.bolt --update-debug-sections
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# RUN: llvm-dwarfdump --show-form --verbose --debug-info %t.bolt | FileCheck --check-prefix=CHECK %s
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# CHECK: DW_TAG_inlined_subroutine
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# CHECK: DW_AT_low_pc [DW_FORM_addr] (0x[[#%.16x,ADDR:]])
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# CHECK: DW_AT_ranges [DW_FORM_sec_offset]
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# CHECK-NEXT: [0x[[#ADDR]], 0x[[#ADDR]])
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# Testing BOLT handles correctly when size of DW_AT_inlined_subroutine is 0.
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# In other words DW_AT_high_pc is 0 or DW_AT_low_pc == DW_AT_high_pc.
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# Modified assembly manually to set DW_AT_high_pc to 0.
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# static int helper(int i) {
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# return ++i;
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# }
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#
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# int main(int argc, char *argv[]) {
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# return helper(argc);
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# }
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.text
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.file "main.cpp"
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.globl _Z6helperi # -- Begin function _Z6helperi
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.p2align 4, 0x90
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.type _Z6helperi,@function
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_Z6helperi: # @_Z6helperi
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.Lfunc_begin0:
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.file 1 "." "main.cpp"
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.loc 1 1 0 # main.cpp:1:0
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.cfi_startproc
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# %bb.0: # %entry
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#DEBUG_VALUE: helper:i <- $edi
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# kill: def $edi killed $edi def $rdi
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.loc 1 2 10 prologue_end # main.cpp:2:10
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leal 1(%rdi), %eax
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.Ltmp0:
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#DEBUG_VALUE: helper:i <- $eax
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.loc 1 2 3 is_stmt 0 # main.cpp:2:3
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retq
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.Ltmp1:
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.Lfunc_end0:
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.size _Z6helperi, .Lfunc_end0-_Z6helperi
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.cfi_endproc
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# -- End function
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.globl main # -- Begin function main
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.p2align 4, 0x90
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.type main,@function
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main: # @main
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.Lfunc_begin1:
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.loc 1 5 0 is_stmt 1 # main.cpp:5:0
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.cfi_startproc
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# %bb.0: # %entry
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#DEBUG_VALUE: main:argc <- $edi
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#DEBUG_VALUE: main:argv <- $rsi
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#DEBUG_VALUE: helper:i <- $edi
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# kill: def $edi killed $edi def $rdi
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.loc 1 2 10 prologue_end # main.cpp:2:10
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leal 1(%rdi), %eax
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.Ltmp2:
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#DEBUG_VALUE: helper:i <- $eax
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.loc 1 6 3 # main.cpp:6:3
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retq
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.Ltmp3:
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.Lfunc_end1:
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.size main, .Lfunc_end1-main
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.cfi_endproc
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# -- End function
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.section .debug_loc,"",@progbits
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.Ldebug_loc0:
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.quad .Lfunc_begin0-.Lfunc_begin0
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.quad .Ltmp0-.Lfunc_begin0
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.short 1 # Loc expr size
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.byte 85 # super-register DW_OP_reg5
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.quad .Ltmp0-.Lfunc_begin0
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.quad .Lfunc_end0-.Lfunc_begin0
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.short 1 # Loc expr size
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.byte 80 # super-register DW_OP_reg0
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.quad 0
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.quad 0
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.Ldebug_loc1:
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.quad .Lfunc_begin1-.Lfunc_begin0
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.quad .Ltmp2-.Lfunc_begin0
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.short 1 # Loc expr size
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.byte 85 # super-register DW_OP_reg5
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.quad .Ltmp2-.Lfunc_begin0
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.quad .Lfunc_end1-.Lfunc_begin0
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.short 1 # Loc expr size
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.byte 80 # super-register DW_OP_reg0
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.quad 0
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.quad 0
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.section .debug_abbrev,"",@progbits
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.byte 1 # Abbreviation Code
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.byte 17 # DW_TAG_compile_unit
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.byte 1 # DW_CHILDREN_yes
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.byte 37 # DW_AT_producer
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.byte 14 # DW_FORM_strp
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.byte 19 # DW_AT_language
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.byte 5 # DW_FORM_data2
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.byte 3 # DW_AT_name
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.byte 14 # DW_FORM_strp
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.byte 16 # DW_AT_stmt_list
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.byte 23 # DW_FORM_sec_offset
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.byte 27 # DW_AT_comp_dir
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.byte 14 # DW_FORM_strp
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.byte 17 # DW_AT_low_pc
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.byte 1 # DW_FORM_addr
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.byte 18 # DW_AT_high_pc
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.byte 6 # DW_FORM_data4
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.byte 0 # EOM(1)
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.byte 0 # EOM(2)
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.byte 2 # Abbreviation Code
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.byte 46 # DW_TAG_subprogram
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.byte 1 # DW_CHILDREN_yes
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.byte 17 # DW_AT_low_pc
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.byte 1 # DW_FORM_addr
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.byte 18 # DW_AT_high_pc
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.byte 6 # DW_FORM_data4
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.byte 64 # DW_AT_frame_base
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.byte 24 # DW_FORM_exprloc
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.ascii "\227B" # DW_AT_GNU_all_call_sites
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.byte 25 # DW_FORM_flag_present
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.byte 49 # DW_AT_abstract_origin
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.byte 19 # DW_FORM_ref4
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.byte 0 # EOM(1)
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.byte 0 # EOM(2)
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.byte 3 # Abbreviation Code
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.byte 5 # DW_TAG_formal_parameter
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.byte 0 # DW_CHILDREN_no
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.byte 2 # DW_AT_location
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.byte 23 # DW_FORM_sec_offset
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.byte 49 # DW_AT_abstract_origin
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.byte 19 # DW_FORM_ref4
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.byte 0 # EOM(1)
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.byte 0 # EOM(2)
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.byte 4 # Abbreviation Code
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.byte 46 # DW_TAG_subprogram
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.byte 1 # DW_CHILDREN_yes
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.byte 110 # DW_AT_linkage_name
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.byte 14 # DW_FORM_strp
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.byte 3 # DW_AT_name
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.byte 14 # DW_FORM_strp
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.byte 58 # DW_AT_decl_file
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.byte 11 # DW_FORM_data1
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.byte 59 # DW_AT_decl_line
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.byte 11 # DW_FORM_data1
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.byte 73 # DW_AT_type
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.byte 19 # DW_FORM_ref4
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.byte 63 # DW_AT_external
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.byte 25 # DW_FORM_flag_present
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.byte 32 # DW_AT_inline
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.byte 11 # DW_FORM_data1
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.byte 0 # EOM(1)
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.byte 0 # EOM(2)
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.byte 5 # Abbreviation Code
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.byte 5 # DW_TAG_formal_parameter
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.byte 0 # DW_CHILDREN_no
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.byte 3 # DW_AT_name
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.byte 14 # DW_FORM_strp
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.byte 58 # DW_AT_decl_file
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.byte 11 # DW_FORM_data1
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.byte 59 # DW_AT_decl_line
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.byte 11 # DW_FORM_data1
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.byte 73 # DW_AT_type
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.byte 19 # DW_FORM_ref4
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.byte 0 # EOM(1)
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.byte 0 # EOM(2)
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.byte 6 # Abbreviation Code
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.byte 36 # DW_TAG_base_type
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.byte 0 # DW_CHILDREN_no
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.byte 3 # DW_AT_name
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.byte 14 # DW_FORM_strp
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.byte 62 # DW_AT_encoding
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.byte 11 # DW_FORM_data1
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.byte 11 # DW_AT_byte_size
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.byte 11 # DW_FORM_data1
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.byte 0 # EOM(1)
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.byte 0 # EOM(2)
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.byte 7 # Abbreviation Code
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.byte 46 # DW_TAG_subprogram
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.byte 1 # DW_CHILDREN_yes
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.byte 17 # DW_AT_low_pc
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.byte 1 # DW_FORM_addr
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.byte 18 # DW_AT_high_pc
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.byte 6 # DW_FORM_data4
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.byte 64 # DW_AT_frame_base
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.byte 24 # DW_FORM_exprloc
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.ascii "\227B" # DW_AT_GNU_all_call_sites
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.byte 25 # DW_FORM_flag_present
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.byte 3 # DW_AT_name
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.byte 14 # DW_FORM_strp
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.byte 58 # DW_AT_decl_file
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.byte 11 # DW_FORM_data1
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.byte 59 # DW_AT_decl_line
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.byte 11 # DW_FORM_data1
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.byte 73 # DW_AT_type
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.byte 19 # DW_FORM_ref4
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.byte 63 # DW_AT_external
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.byte 25 # DW_FORM_flag_present
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.byte 0 # EOM(1)
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.byte 0 # EOM(2)
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.byte 8 # Abbreviation Code
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.byte 5 # DW_TAG_formal_parameter
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.byte 0 # DW_CHILDREN_no
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.byte 2 # DW_AT_location
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.byte 24 # DW_FORM_exprloc
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.byte 3 # DW_AT_name
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.byte 14 # DW_FORM_strp
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.byte 58 # DW_AT_decl_file
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.byte 11 # DW_FORM_data1
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.byte 59 # DW_AT_decl_line
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.byte 11 # DW_FORM_data1
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.byte 73 # DW_AT_type
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.byte 19 # DW_FORM_ref4
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.byte 0 # EOM(1)
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.byte 0 # EOM(2)
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.byte 9 # Abbreviation Code
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.byte 29 # DW_TAG_inlined_subroutine
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.byte 1 # DW_CHILDREN_yes
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.byte 49 # DW_AT_abstract_origin
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.byte 19 # DW_FORM_ref4
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.byte 17 # DW_AT_low_pc
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.byte 1 # DW_FORM_addr
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.byte 18 # DW_AT_high_pc
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.byte 6 # DW_FORM_data4
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.byte 88 # DW_AT_call_file
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.byte 11 # DW_FORM_data1
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.byte 89 # DW_AT_call_line
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.byte 11 # DW_FORM_data1
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.byte 87 # DW_AT_call_column
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.byte 11 # DW_FORM_data1
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.byte 0 # EOM(1)
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.byte 0 # EOM(2)
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.byte 10 # Abbreviation Code
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.byte 15 # DW_TAG_pointer_type
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.byte 0 # DW_CHILDREN_no
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.byte 73 # DW_AT_type
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.byte 19 # DW_FORM_ref4
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.byte 0 # EOM(1)
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.byte 0 # EOM(2)
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.byte 0 # EOM(3)
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.section .debug_info,"",@progbits
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.Lcu_begin0:
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.long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit
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.Ldebug_info_start0:
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.short 4 # DWARF version number
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.long .debug_abbrev # Offset Into Abbrev. Section
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.byte 8 # Address Size (in bytes)
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.byte 1 # Abbrev [1] 0xb:0xc3 DW_TAG_compile_unit
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.long .Linfo_string0 # DW_AT_producer
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.short 33 # DW_AT_language
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.long .Linfo_string1 # DW_AT_name
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.long .Lline_table_start0 # DW_AT_stmt_list
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.long .Linfo_string2 # DW_AT_comp_dir
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.quad .Lfunc_begin0 # DW_AT_low_pc
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.long .Lfunc_end1-.Lfunc_begin0 # DW_AT_high_pc
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.byte 2 # Abbrev [2] 0x2a:0x1d DW_TAG_subprogram
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.quad .Lfunc_begin0 # DW_AT_low_pc
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.long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc
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.byte 1 # DW_AT_frame_base
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.byte 87
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# DW_AT_GNU_all_call_sites
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.long 71 # DW_AT_abstract_origin
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.byte 3 # Abbrev [3] 0x3d:0x9 DW_TAG_formal_parameter
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.long .Ldebug_loc0 # DW_AT_location
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.long 87 # DW_AT_abstract_origin
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.byte 0 # End Of Children Mark
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.byte 4 # Abbrev [4] 0x47:0x1c DW_TAG_subprogram
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.long .Linfo_string3 # DW_AT_linkage_name
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.long .Linfo_string4 # DW_AT_name
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.byte 1 # DW_AT_decl_file
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.byte 1 # DW_AT_decl_line
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.long 99 # DW_AT_type
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# DW_AT_external
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.byte 1 # DW_AT_inline
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.byte 5 # Abbrev [5] 0x57:0xb DW_TAG_formal_parameter
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.long .Linfo_string6 # DW_AT_name
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.byte 1 # DW_AT_decl_file
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.byte 1 # DW_AT_decl_line
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.long 99 # DW_AT_type
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.byte 0 # End Of Children Mark
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.byte 6 # Abbrev [6] 0x63:0x7 DW_TAG_base_type
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.long .Linfo_string5 # DW_AT_name
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.byte 5 # DW_AT_encoding
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.byte 4 # DW_AT_byte_size
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.byte 7 # Abbrev [7] 0x6a:0x52 DW_TAG_subprogram
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.quad .Lfunc_begin1 # DW_AT_low_pc
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.long .Lfunc_end1-.Lfunc_begin1 # DW_AT_high_pc
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.byte 1 # DW_AT_frame_base
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.byte 87
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# DW_AT_GNU_all_call_sites
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.long .Linfo_string7 # DW_AT_name
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.byte 1 # DW_AT_decl_file
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.byte 5 # DW_AT_decl_line
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.long 99 # DW_AT_type
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# DW_AT_external
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.byte 8 # Abbrev [8] 0x83:0xd DW_TAG_formal_parameter
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.byte 1 # DW_AT_location
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.byte 85
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.long .Linfo_string8 # DW_AT_name
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.byte 1 # DW_AT_decl_file
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.byte 5 # DW_AT_decl_line
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.long 99 # DW_AT_type
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.byte 8 # Abbrev [8] 0x90:0xd DW_TAG_formal_parameter
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.byte 1 # DW_AT_location
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.byte 84
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.long .Linfo_string9 # DW_AT_name
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.byte 1 # DW_AT_decl_file
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.byte 5 # DW_AT_decl_line
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.long 188 # DW_AT_type
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.byte 9 # Abbrev [9] 0x9d:0x1e DW_TAG_inlined_subroutine
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.long 71 # DW_AT_abstract_origin
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.quad .Lfunc_begin1 # DW_AT_low_pc
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.long 0 # DW_AT_high_pc # This was manually modified to be 0
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.byte 1 # DW_AT_call_file
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.byte 6 # DW_AT_call_line
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.byte 10 # DW_AT_call_column
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.byte 3 # Abbrev [3] 0xb1:0x9 DW_TAG_formal_parameter
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.long .Ldebug_loc1 # DW_AT_location
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.long 87 # DW_AT_abstract_origin
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.byte 0 # End Of Children Mark
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.byte 0 # End Of Children Mark
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.byte 10 # Abbrev [10] 0xbc:0x5 DW_TAG_pointer_type
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.long 193 # DW_AT_type
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.byte 10 # Abbrev [10] 0xc1:0x5 DW_TAG_pointer_type
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.long 198 # DW_AT_type
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.byte 6 # Abbrev [6] 0xc6:0x7 DW_TAG_base_type
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.long .Linfo_string10 # DW_AT_name
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.byte 6 # DW_AT_encoding
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.byte 1 # DW_AT_byte_size
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.byte 0 # End Of Children Mark
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.Ldebug_info_end0:
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.section .debug_str,"MS",@progbits,1
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.Linfo_string0:
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.asciz "clang version 15.0.0" # string offset=0
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.Linfo_string1:
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.asciz "main.cpp" # string offset=134
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.Linfo_string2:
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.asciz "." # string offset=143
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.Linfo_string3:
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.asciz "_Z6helperi" # string offset=181
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.Linfo_string4:
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.asciz "helper" # string offset=192
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.Linfo_string5:
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.asciz "int" # string offset=199
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.Linfo_string6:
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.asciz "i" # string offset=203
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.Linfo_string7:
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.asciz "main" # string offset=205
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.Linfo_string8:
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.asciz "argc" # string offset=210
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.Linfo_string9:
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.asciz "argv" # string offset=215
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.Linfo_string10:
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.asciz "char" # string offset=220
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.ident "clang version 15.0.0"
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.section ".note.GNU-stack","",@progbits
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.addrsig
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.section .debug_line,"",@progbits
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.Lline_table_start0:
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