mirror of
https://github.com/llvm/llvm-project.git
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433 lines
20 KiB
ArmAsm
433 lines
20 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 -no-pie %s -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-children --name=main --debug-info %t.bolt \
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# RUN: | FileCheck %s
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# CHECK: DW_TAG_inlined_subroutine
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# CHECK: DW_AT_low_pc
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# CHECK-SAME: 0x0000000000000000
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# CHECK: DW_TAG_GNU_call_site
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# CHECK: DW_AT_low_pc
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# CHECK-SAME: 0x0000000000000000
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## Test that llvm-bolt correctly updates DIEs corresponding to deleted code.
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# Test case built from the following source using:
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#
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# clang -O2 -g ...
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#
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# Assembly modified with "je" -> "jmp" to introduce unreachable block.
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#
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# extern void puts(const char *);
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#
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# static void foo() {
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# puts("hi");
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# }
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#
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# int main(int argc, char **argv) {
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# if (argc)
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# foo();
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# return 0;
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# }
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.text
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.file "unreachable.c"
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.file 1 "." "unreachable.c"
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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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.loc 1 7 0 # unreachable.c:7:0
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.cfi_startproc
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# %bb.0:
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#DEBUG_VALUE: main:argc <- $edi
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#DEBUG_VALUE: main:argv <- $rsi
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.loc 1 8 7 prologue_end # unreachable.c:8:7
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testl %edi, %edi
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.Ltmp0:
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.loc 1 8 7 is_stmt 0 # unreachable.c:8:7
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jmp .LBB0_2
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.Ltmp1:
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# %bb.1:
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#DEBUG_VALUE: main:argc <- $edi
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#DEBUG_VALUE: main:argv <- $rsi
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pushq %rax
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.cfi_def_cfa_offset 16
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.Ltmp2:
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.loc 1 4 3 is_stmt 1 # unreachable.c:4:3
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movl $.L.str, %edi
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.Ltmp3:
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#DEBUG_VALUE: main:argc <- [DW_OP_LLVM_entry_value 1] $edi
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callq puts
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.Ltmp4:
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#DEBUG_VALUE: main:argv <- [DW_OP_LLVM_entry_value 1] $rsi
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.loc 1 0 3 is_stmt 0 # unreachable.c:0:3
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addq $8, %rsp
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.Ltmp5:
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.cfi_def_cfa_offset 8
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.LBB0_2:
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#DEBUG_VALUE: main:argc <- [DW_OP_LLVM_entry_value 1] $edi
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#DEBUG_VALUE: main:argv <- [DW_OP_LLVM_entry_value 1] $rsi
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.loc 1 10 3 is_stmt 1 # unreachable.c:10:3
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xorl %eax, %eax
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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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.type .L.str,@object # @.str
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.section .rodata.str1.1,"aMS",@progbits,1
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.L.str:
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.asciz "hi"
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.size .L.str, 3
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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 .Ltmp3-.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 .Ltmp3-.Lfunc_begin0
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.quad .Lfunc_end0-.Lfunc_begin0
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.short 4 # Loc expr size
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.byte 243 # DW_OP_GNU_entry_value
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.byte 1 # 1
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.byte 85 # super-register DW_OP_reg5
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.byte 159 # DW_OP_stack_value
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.quad 0
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.quad 0
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.Ldebug_loc1:
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.quad .Lfunc_begin0-.Lfunc_begin0
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.quad .Ltmp4-.Lfunc_begin0
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.short 1 # Loc expr size
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.byte 84 # DW_OP_reg4
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.quad .Ltmp4-.Lfunc_begin0
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.quad .Lfunc_end0-.Lfunc_begin0
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.short 4 # Loc expr size
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.byte 243 # DW_OP_GNU_entry_value
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.byte 1 # 1
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.byte 84 # DW_OP_reg4
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.byte 159 # DW_OP_stack_value
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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 52 # DW_TAG_variable
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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 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 2 # DW_AT_location
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.byte 24 # DW_FORM_exprloc
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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 1 # DW_TAG_array_type
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.byte 1 # DW_CHILDREN_yes
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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 33 # DW_TAG_subrange_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 55 # DW_AT_count
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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 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 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 11 # DW_AT_byte_size
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.byte 11 # DW_FORM_data1
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.byte 62 # DW_AT_encoding
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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 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 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 8 # 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 39 # DW_AT_prototyped
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.byte 25 # DW_FORM_flag_present
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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 9 # 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 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 10 # Abbreviation Code
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.byte 29 # DW_TAG_inlined_subroutine
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.byte 0 # DW_CHILDREN_no
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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 11 # Abbreviation Code
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.ascii "\211\202\001" # DW_TAG_GNU_call_site
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.byte 0 # DW_CHILDREN_no
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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 0 # EOM(1)
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.byte 0 # EOM(2)
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.byte 12 # 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 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 39 # DW_AT_prototyped
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.byte 25 # DW_FORM_flag_present
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.byte 60 # DW_AT_declaration
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.byte 25 # DW_FORM_flag_present
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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 13 # 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 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 14 # 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 15 # Abbreviation Code
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.byte 38 # DW_TAG_const_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:0xd4 DW_TAG_compile_unit
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.long .Linfo_string0 # DW_AT_producer
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.short 12 # 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:0x11 DW_TAG_variable
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.long 59 # DW_AT_type
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.byte 1 # DW_AT_decl_file
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.byte 4 # DW_AT_decl_line
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.byte 9 # DW_AT_location
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.byte 3
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.quad .L.str
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.byte 3 # Abbrev [3] 0x3b:0xc DW_TAG_array_type
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.long 71 # DW_AT_type
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.byte 4 # Abbrev [4] 0x40:0x6 DW_TAG_subrange_type
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.long 78 # DW_AT_type
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.byte 3 # DW_AT_count
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.byte 0 # End Of Children Mark
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.byte 5 # Abbrev [5] 0x47:0x7 DW_TAG_base_type
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.long .Linfo_string3 # 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 6 # Abbrev [6] 0x4e:0x7 DW_TAG_base_type
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.long .Linfo_string4 # DW_AT_name
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.byte 8 # DW_AT_byte_size
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.byte 7 # DW_AT_encoding
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.byte 7 # Abbrev [7] 0x55:0x8 DW_TAG_subprogram
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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 3 # DW_AT_decl_line
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.byte 1 # DW_AT_inline
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.byte 8 # Abbrev [8] 0x5d:0x59 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 .Linfo_string7 # 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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# DW_AT_prototyped
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.long 205 # DW_AT_type
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# DW_AT_external
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.byte 9 # Abbrev [9] 0x76:0xf DW_TAG_formal_parameter
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.long .Ldebug_loc0 # DW_AT_location
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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 7 # DW_AT_decl_line
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.long 205 # DW_AT_type
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.byte 9 # Abbrev [9] 0x85:0xf DW_TAG_formal_parameter
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.long .Ldebug_loc1 # DW_AT_location
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.long .Linfo_string10 # 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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.long 212 # DW_AT_type
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.byte 10 # Abbrev [10] 0x94:0x14 DW_TAG_inlined_subroutine
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.long 85 # DW_AT_abstract_origin
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.quad .Ltmp2 # DW_AT_low_pc
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.long .Ltmp5-.Ltmp2 # DW_AT_high_pc
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.byte 1 # DW_AT_call_file
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.byte 9 # DW_AT_call_line
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.byte 5 # DW_AT_call_column
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.byte 11 # Abbrev [11] 0xa8:0xd DW_TAG_GNU_call_site
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.long 182 # DW_AT_abstract_origin
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.quad .Ltmp4 # DW_AT_low_pc
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.byte 0 # End Of Children Mark
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.byte 12 # Abbrev [12] 0xb6:0xd DW_TAG_subprogram
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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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# DW_AT_prototyped
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# DW_AT_declaration
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# DW_AT_external
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.byte 13 # Abbrev [13] 0xbd:0x5 DW_TAG_formal_parameter
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.long 195 # DW_AT_type
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.byte 0 # End Of Children Mark
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.byte 14 # Abbrev [14] 0xc3:0x5 DW_TAG_pointer_type
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.long 200 # DW_AT_type
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.byte 15 # Abbrev [15] 0xc8:0x5 DW_TAG_const_type
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.long 71 # DW_AT_type
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.byte 5 # Abbrev [5] 0xcd:0x7 DW_TAG_base_type
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.long .Linfo_string8 # 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 14 # Abbrev [14] 0xd4:0x5 DW_TAG_pointer_type
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.long 217 # DW_AT_type
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.byte 14 # Abbrev [14] 0xd9:0x5 DW_TAG_pointer_type
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.long 71 # DW_AT_type
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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 15.0.7 " # string offset=0
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.Linfo_string1:
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.asciz "unreachable.c" # string offset=69
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.Linfo_string2:
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.asciz "." # string offset=83
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.Linfo_string3:
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.asciz "char" # string offset=85
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.Linfo_string4:
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.asciz "__ARRAY_SIZE_TYPE__" # string offset=90
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.Linfo_string5:
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.asciz "foo" # string offset=110
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.Linfo_string6:
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.asciz "puts" # string offset=114
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.Linfo_string7:
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.asciz "main" # string offset=119
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.Linfo_string8:
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.asciz "int" # string offset=124
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.Linfo_string9:
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.asciz "argc" # string offset=128
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.Linfo_string10:
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.asciz "argv" # string offset=133
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.section .debug_line,"",@progbits
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.Lline_table_start0:
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