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192 lines
5.5 KiB
ArmAsm
192 lines
5.5 KiB
ArmAsm
## This test checks that trampolines are inserted in split fragments if
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## necessary. There are 4 LSDA ranges with a landing pad to three landing pads.
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## After splitting all blocks, there have to be 4 trampolines in the output.
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# RUN: llvm-mc --filetype=obj --triple x86_64-unknown-unknown %s -o %t.o
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# RUN: %clangxx %cxxflags %t.o -o %t.exe -Wl,-q -pie
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# RUN: llvm-bolt %t.exe --split-functions --split-strategy=all --split-eh \
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# RUN: -o %t.bolt --print-split --print-only=main 2>&1 | FileCheck %s
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# CHECK: ------- HOT-COLD SPLIT POINT -------
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# CHECK: .LFT0
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# CHECK: Landing Pads: .LBB0
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# CHECK: .LBB0
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# CHECK-NEXT: Landing Pad
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# CHECK: ------- HOT-COLD SPLIT POINT -------
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# CHECK: .Ltmp0
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# CHECK: Landing Pads: .LBB1, .LBB2
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# CHECK: .LBB1
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# CHECK-NEXT: Landing Pad
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# CHECK: .LBB2
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# CHECK-NEXT: Landing Pad
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# CHECK: ------- HOT-COLD SPLIT POINT -------
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# CHECK: ------- HOT-COLD SPLIT POINT -------
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# CHECK: ------- HOT-COLD SPLIT POINT -------
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# CHECK: ------- HOT-COLD SPLIT POINT -------
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# CHECK: ------- HOT-COLD SPLIT POINT -------
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# CHECK: .Ltmp3
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# CHECK: Landing Pads: .LBB3
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# CHECK: .LBB3
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# CHECK-NEXT: Landing Pad
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# CHECK: ------- HOT-COLD SPLIT POINT -------
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# CHECK: ------- HOT-COLD SPLIT POINT -------
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.text
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.section .rodata.str1.1,"aMS",@progbits,1
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.LC0:
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.string "E"
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.LC1:
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.string "C"
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.text
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.globl main
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.type main, @function
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main:
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.LFB1265:
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.cfi_startproc
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.cfi_personality 0x9b,DW.ref.__gxx_personality_v0
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.cfi_lsda 0x1b,.LLSDA1265
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pushq %r12
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.cfi_def_cfa_offset 16
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.cfi_offset 12, -16
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pushq %rbp
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.cfi_def_cfa_offset 24
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.cfi_offset 6, -24
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pushq %rbx
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.cfi_def_cfa_offset 32
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.cfi_offset 3, -32
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testb $3, %dil
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jne .L13
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leaq .LC1(%rip), %rdi
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.LEHB0:
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call puts@PLT
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# Trampoline to .L9
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.LEHE0:
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jmp .L11
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.L13:
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movl $16, %edi
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call __cxa_allocate_exception@PLT
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movq %rax, %rbx
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leaq .LC0(%rip), %rsi
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movq %rax, %rdi
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.LEHB1:
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call _ZNSt13runtime_errorC1EPKc@PLT
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# Trampoline to .L8
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.LEHE1:
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movq _ZNSt13runtime_errorD1Ev@GOTPCREL(%rip), %rdx
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movq _ZTISt13runtime_error@GOTPCREL(%rip), %rsi
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movq %rbx, %rdi
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.LEHB2:
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call __cxa_throw@PLT
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# Trampoline to .L9
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.LEHE2:
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.L9:
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movq %rax, %rdi
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movq %rdx, %rax
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jmp .L4
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.L8:
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movq %rax, %r12
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movq %rdx, %rbp
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movq %rbx, %rdi
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call __cxa_free_exception@PLT
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movq %r12, %rdi
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movq %rbp, %rax
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.L4:
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cmpq $1, %rax
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je .L5
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.LEHB3:
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call _Unwind_Resume@PLT
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.LEHE3:
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.L5:
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call __cxa_begin_catch@PLT
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movq %rax, %rdi
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movq (%rax), %rax
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call *16(%rax)
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movq %rax, %rdi
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.LEHB4:
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call puts@PLT
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# Trampoline to .L10
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.LEHE4:
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call __cxa_end_catch@PLT
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.L11:
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movl $0, %eax
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popq %rbx
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.cfi_remember_state
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.cfi_def_cfa_offset 24
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popq %rbp
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.cfi_def_cfa_offset 16
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popq %r12
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.cfi_def_cfa_offset 8
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ret
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.L10:
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.cfi_restore_state
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movq %rax, %rbx
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call __cxa_end_catch@PLT
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movq %rbx, %rdi
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.LEHB5:
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call _Unwind_Resume@PLT
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.LEHE5:
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.cfi_endproc
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.globl __gxx_personality_v0
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.section .gcc_except_table,"a",@progbits
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.align 4
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.LLSDA1265:
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.byte 0xff
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.byte 0x9b
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.uleb128 .LLSDATT1265-.LLSDATTD1265
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.LLSDATTD1265:
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.byte 0x1
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.uleb128 .LLSDACSE1265-.LLSDACSB1265
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.LLSDACSB1265:
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.uleb128 .LEHB0-.LFB1265
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.uleb128 .LEHE0-.LEHB0
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.uleb128 .L9-.LFB1265
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.uleb128 0x1
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.uleb128 .LEHB1-.LFB1265
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.uleb128 .LEHE1-.LEHB1
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.uleb128 .L8-.LFB1265
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.uleb128 0x3
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.uleb128 .LEHB2-.LFB1265
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.uleb128 .LEHE2-.LEHB2
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.uleb128 .L9-.LFB1265
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.uleb128 0x1
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.uleb128 .LEHB3-.LFB1265
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.uleb128 .LEHE3-.LEHB3
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.uleb128 0
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.uleb128 0
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.uleb128 .LEHB4-.LFB1265
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.uleb128 .LEHE4-.LEHB4
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.uleb128 .L10-.LFB1265
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.uleb128 0
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.uleb128 .LEHB5-.LFB1265
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.uleb128 .LEHE5-.LEHB5
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.uleb128 0
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.uleb128 0
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.LLSDACSE1265:
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.byte 0x1
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.byte 0
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.byte 0
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.byte 0x7d
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.align 4
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.long DW.ref._ZTISt13runtime_error-.
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.LLSDATT1265:
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.text
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.size main, .-main
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.hidden DW.ref._ZTISt13runtime_error
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.weak DW.ref._ZTISt13runtime_error
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.section .data.rel.local.DW.ref._ZTISt13runtime_error,"awG",@progbits,DW.ref._ZTISt13runtime_error,comdat
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.align 8
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.type DW.ref._ZTISt13runtime_error, @object
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.size DW.ref._ZTISt13runtime_error, 8
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DW.ref._ZTISt13runtime_error:
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.quad _ZTISt13runtime_error
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.hidden DW.ref.__gxx_personality_v0
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.weak DW.ref.__gxx_personality_v0
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.section .data.rel.local.DW.ref.__gxx_personality_v0,"awG",@progbits,DW.ref.__gxx_personality_v0,comdat
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.align 8
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.type DW.ref.__gxx_personality_v0, @object
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.size DW.ref.__gxx_personality_v0, 8
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DW.ref.__gxx_personality_v0:
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.quad __gxx_personality_v0
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.ident "GCC: (Compiler-Explorer-Build-gcc--binutils-2.38) 12.1.0"
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.section .note.GNU-stack,"",@progbits
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