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105feb9ac6
For DWARF5 BOLT was not retreiving address and instead was setting an index. Changed so that an address is used, and added DWARF4 test because it was missing.
264 lines
11 KiB
ArmAsm
264 lines
11 KiB
ArmAsm
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# 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-4 %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.exe | FileCheck --check-prefix=PRECHECK %s
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# RUN: llvm-dwarfdump --show-form --verbose --debug-info %t.bolt > %t.txt
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# RUN: llvm-objdump -d %t.bolt >> %t.txt
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# RUN: cat %t.txt | FileCheck --check-prefix=POSTCHECK %s
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## This test checks that we correctly handle DW_AT_low_pc [DW_FORM_addr] that is part of DW_TAG_label.
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# PRECHECK: version = 0x0004
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# PRECHECK: DW_TAG_label
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# PRECHECK-NEXT: DW_AT_name
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# PRECHECK-NEXT: DW_AT_decl_file
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# PRECHECK-NEXT: DW_AT_decl_line
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# PRECHECK-NEXT:DW_AT_low_pc [DW_FORM_addr]
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# PRECHECK: DW_TAG_label
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# PRECHECK-NEXT: DW_AT_name
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# PRECHECK-NEXT: DW_AT_decl_file
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# PRECHECK-NEXT: DW_AT_decl_line
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# PRECHECK-NEXT:DW_AT_low_pc [DW_FORM_addr]
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# POSTCHECK: version = 0x0004
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# POSTCHECK: DW_TAG_label
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# POSTCHECK-NEXT: DW_AT_name
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# POSTCHECK-NEXT: DW_AT_decl_file
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# POSTCHECK-NEXT: DW_AT_decl_line
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# POSTCHECK-NEXT:DW_AT_low_pc [DW_FORM_addr] (0x[[ADDR:[1-9a-f]*]]
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# POSTCHECK: DW_TAG_label
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# POSTCHECK-NEXT: DW_AT_name
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# POSTCHECK-NEXT: DW_AT_decl_file
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# POSTCHECK-NEXT: DW_AT_decl_line
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# POSTCHECK-NEXT:DW_AT_low_pc [DW_FORM_addr] (0x[[ADDR2:[1-9a-f]*]]
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# POSTCHECK: [[ADDR]]: 8b 45 f8
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# POSTCHECK: [[ADDR2]]: 8b 45 f8
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## clang++ main.cpp -g2 -gdwarf-4 -S
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## int main() {
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## int a = 4;
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## if (a == 5)
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## goto LABEL1;
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## else
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## goto LABEL2;
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## LABEL1:a++;
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## LABEL2:a--;
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## return 0;
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## }
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.text
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.file "main.cpp"
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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_begin0:
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.file 1 "/home" "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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pushq %rbp
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.cfi_def_cfa_offset 16
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.cfi_offset %rbp, -16
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movq %rsp, %rbp
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.cfi_def_cfa_register %rbp
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movl $0, -4(%rbp)
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.Ltmp0:
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.loc 1 2 7 prologue_end # main.cpp:2:7
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movl $4, -8(%rbp)
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.Ltmp1:
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.loc 1 3 9 # main.cpp:3:9
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cmpl $5, -8(%rbp)
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.Ltmp2:
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.loc 1 3 7 is_stmt 0 # main.cpp:3:7
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jne .LBB0_2
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# %bb.1: # %if.then
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.Ltmp3:
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.loc 1 4 5 is_stmt 1 # main.cpp:4:5
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jmp .LBB0_3
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.LBB0_2: # %if.else
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.loc 1 6 5 # main.cpp:6:5
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jmp .LBB0_4
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.Ltmp4:
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.LBB0_3: # %LABEL1
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#DEBUG_LABEL: main:LABEL1
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.loc 1 7 11 # main.cpp:7:11
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movl -8(%rbp), %eax
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addl $1, %eax
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movl %eax, -8(%rbp)
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.LBB0_4: # %LABEL2
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.Ltmp5:
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#DEBUG_LABEL: main:LABEL2
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.loc 1 8 11 # main.cpp:8:11
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movl -8(%rbp), %eax
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addl $-1, %eax
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movl %eax, -8(%rbp)
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.loc 1 9 3 # main.cpp:9:3
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xorl %eax, %eax
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.loc 1 9 3 epilogue_begin is_stmt 0 # main.cpp:9:3
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popq %rbp
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.cfi_def_cfa %rsp, 8
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retq
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.Ltmp6:
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.Lfunc_end0:
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.size main, .Lfunc_end0-main
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.cfi_endproc
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# -- End function
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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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.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 3 # Abbreviation Code
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.byte 52 # DW_TAG_variable
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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 4 # Abbreviation Code
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.byte 10 # DW_TAG_label
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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 17 # DW_AT_low_pc
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.byte 1 # DW_FORM_addr
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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 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 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:0x6d 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_end0-.Lfunc_begin0 # DW_AT_high_pc
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.byte 2 # Abbrev [2] 0x2a:0x46 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 86
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.long .Linfo_string3 # 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 112 # DW_AT_type
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# DW_AT_external
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.byte 3 # Abbrev [3] 0x43:0xe DW_TAG_variable
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.byte 2 # DW_AT_location
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.byte 145
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.byte 120
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.long .Linfo_string5 # DW_AT_name
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.byte 1 # DW_AT_decl_file
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.byte 2 # DW_AT_decl_line
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.long 112 # DW_AT_type
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.byte 4 # Abbrev [4] 0x51:0xf DW_TAG_label
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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 7 # DW_AT_decl_line
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.quad .Ltmp4 # DW_AT_low_pc
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.byte 4 # Abbrev [4] 0x60:0xf DW_TAG_label
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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 8 # DW_AT_decl_line
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.quad .Ltmp5 # DW_AT_low_pc
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.byte 0 # End Of Children Mark
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.byte 5 # Abbrev [5] 0x70:0x7 DW_TAG_base_type
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.long .Linfo_string4 # 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 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 19.0.0git" # string offset=0
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.Linfo_string1:
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.asciz "main.cpp" # string offset=24
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.Linfo_string2:
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.asciz "/home" # string offset=33
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.Linfo_string3:
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.asciz "main" # string offset=71
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.Linfo_string4:
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.asciz "int" # string offset=76
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.Linfo_string5:
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.asciz "a" # string offset=80
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.Linfo_string6:
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.asciz "LABEL1" # string offset=82
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.Linfo_string7:
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.asciz "LABEL2" # string offset=89
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.ident "clang version 19.0.0git"
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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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