derek.holloway
7502bf64a4
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204 lines
6.4 KiB
ArmAsm
204 lines
6.4 KiB
ArmAsm
# REQUIRES: x86
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## Test that various DW_EH_PE_* encodings in CIE are accepted.
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# RUN: rm -rf %t && split-file %s %t && cd %t
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# RUN: llvm-mc -filetype=obj -triple=x86_64 absptr.s -o absptr.o
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# RUN: llvm-mc -filetype=obj -triple=x86_64 sdata2.s -o sdata2.o
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# RUN: llvm-mc -filetype=obj -triple=x86_64 sdata4.s -o sdata4.o
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# RUN: llvm-mc -filetype=obj -triple=x86_64 sdata8.s -o sdata8.o
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# RUN: llvm-mc -filetype=obj -triple=x86_64 signed.s -o signed.o
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# RUN: llvm-mc -filetype=obj -triple=x86_64 udata2.s -o udata2.o
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# RUN: llvm-mc -filetype=obj -triple=x86_64 udata4.s -o udata4.o
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# RUN: llvm-mc -filetype=obj -triple=x86_64 udata8.s -o udata8.o
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# RUN: ld.lld --eh-frame-hdr sdata2.o -o /dev/null
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# RUN: ld.lld --eh-frame-hdr sdata8.o -o /dev/null
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# RUN: ld.lld --eh-frame-hdr signed.o -o /dev/null
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# RUN: ld.lld --eh-frame-hdr --image-base=0 -Ttext=0x1000 absptr.o -o absptr
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# RUN: ld.lld --eh-frame-hdr --image-base=0 -Ttext=0x1000 udata2.o -o udata2
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# RUN: ld.lld --eh-frame-hdr --image-base=0 -Ttext=0x2000 sdata4.o -o sdata4
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# RUN: ld.lld --eh-frame-hdr --image-base=0 -Ttext=0x2000 udata4.o -o udata4
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## absptr/udata2: Also verify .eh_frame content to test relocation with addend.
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## .eh_frame_hdr initial_location: foo(0x1000)+0x234 - .eh_frame_hdr(0x2004) = 0xfffff230
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# RUN: llvm-readobj -x .eh_frame_hdr -x .eh_frame absptr | FileCheck %s --check-prefix=ABSPTR
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# ABSPTR: Hex dump of section '.eh_frame_hdr':
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# ABSPTR-NEXT: 0x00002004 011b033b 10000000 01000000 30f2ffff
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# ABSPTR-NEXT: 0x00002014 24000000
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# ABSPTR: Hex dump of section '.eh_frame':
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# ABSPTR-NEXT: 0x00002018 0c000000 00000000 01520001 010100ff
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# ABSPTR-NEXT: 0x00002028 0c000000 14000000 34120000 00000000
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## CIE offset--^ ^-- PC begin = 0x1234 (foo + 0x234)
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# RUN: llvm-readobj -x .eh_frame_hdr -x .eh_frame udata2 | FileCheck %s --check-prefix=UDATA2
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# UDATA2: Hex dump of section '.eh_frame_hdr':
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# UDATA2-NEXT: 0x00002004 011b033b 10000000 01000000 30f2ffff
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# UDATA2-NEXT: 0x00002014 26000000
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# UDATA2: Hex dump of section '.eh_frame':
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# UDATA2-NEXT: 0x00002018 0e000000 00000000 01525300 01010102
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# UDATA2-NEXT: 0x00002028 ff000600 00001600 00003412
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## CIE offset--^ ^-- PC begin = 0x1234 (foo + 0x234)
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# RUN: llvm-readelf -x .eh_frame_hdr sdata4 udata4 | FileCheck %s --check-prefix=HDR4
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# HDR4: 0x00003004 011b033b 10000000 01000000 fcefffff
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# HDR4-NEXT: 0x00003014 24000000
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# HDR4: 0x00003004 011b033b 10000000 01000000 fcefffff
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# HDR4-NEXT: 0x00003014 24000000
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#--- absptr.s
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## DW_EH_PE_absptr (0x00) with FDE for verification
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.text
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.globl foo
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foo:
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nop
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.section .eh_frame,"a",@unwind
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.long 12 # Size
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.long 0x00 # ID (CIE)
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.byte 0x01 # Version
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.byte 0x52 # Augmentation string: 'R','\0'
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.byte 0x00
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.byte 0x01 # Code alignment
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.byte 0x01 # Data alignment
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.byte 0x01 # Return address register
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.byte 0x00 # DW_EH_PE_absptr
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.byte 0xFF
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.long 12 # Size
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.long 0x14 # CIE offset
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.quad foo + 0x234 # PC begin
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#--- sdata2.s
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## DW_EH_PE_sdata2 (0x0A)
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.section .eh_frame,"a",@unwind
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.long 0x0E # Size
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.long 0x00 # ID (CIE)
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.byte 0x01 # Version
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.byte 0x50 # Augmentation string: 'P','\0'
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.byte 0x00
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.byte 0x01 # Code alignment
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.byte 0x01 # Data alignment (LEB128)
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.byte 0x01 # Return address register (LEB128)
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.byte 0x0A # DW_EH_PE_sdata2
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.short 0xFFFF
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.byte 0xFF
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#--- sdata4.s
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## DW_EH_PE_sdata4 (0x0B) with FDE for verification
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.text
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.globl foo
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foo:
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nop
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.section .eh_frame,"a",@unwind
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.long 12 # Size
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.long 0x00 # ID (CIE)
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.byte 0x01 # Version
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.byte 0x52 # Augmentation string: 'R','\0'
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.byte 0x00
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.byte 0x01 # Code alignment
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.byte 0x01 # Data alignment
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.byte 0x01 # Return address register
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.byte 0x0B # DW_EH_PE_sdata4
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.byte 0xFF
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.long 12 # Size
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.long 0x14 # CIE offset
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.long foo # PC begin
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.long 1 # PC range
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#--- sdata8.s
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## DW_EH_PE_sdata8 (0x0C)
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.section .eh_frame,"a",@unwind
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.long 0x14 # Size
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.long 0x00 # ID (CIE)
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.byte 0x01 # Version
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.byte 0x50 # Augmentation string: 'P','\0'
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.byte 0x00
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.byte 0x01 # Code alignment
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.byte 0x01 # Data alignment (LEB128)
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.byte 0x01 # Return address register (LEB128)
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.byte 0x0C # DW_EH_PE_sdata8
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.quad 0xFFFFFFFFFFFFFFFF
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.byte 0xFF
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#--- signed.s
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## DW_EH_PE_signed (0x08)
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.section .eh_frame,"a",@unwind
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.long 0x14 # Size
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.long 0x00 # ID (CIE)
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.byte 0x01 # Version
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.byte 0x50 # Augmentation string: 'P','\0'
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.byte 0x00
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.byte 0x01 # Code alignment
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.byte 0x01 # Data alignment (LEB128)
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.byte 0x01 # Return address register (LEB128)
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.byte 0x08 # DW_EH_PE_signed
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.quad 0xFFFFFFFFFFFFFFFF
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.byte 0xFF
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#--- udata2.s
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## DW_EH_PE_udata2 (0x02) with FDE for verification
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.text
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.globl foo
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foo:
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nop
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.section .eh_frame,"a",@unwind
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.long 14 # Size
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.long 0x00 # ID (CIE)
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.byte 0x01 # Version
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.byte 0x52 # Augmentation string: 'R','S','\0'
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.byte 0x53
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.byte 0x00
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.byte 0x01 # Code alignment
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.byte 0x01 # Data alignment
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.byte 0x01 # Return address register
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.byte 0x02 # DW_EH_PE_udata2
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.byte 0xFF
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.byte 0x00
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.long 6 # Size
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.long 0x16 # CIE offset
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.short foo + 0x234 # PC begin
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#--- udata4.s
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## DW_EH_PE_udata4 (0x03) with FDE for verification
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.text
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.globl foo
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foo:
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nop
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.section .eh_frame,"a",@unwind
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.long 12 # Size
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.long 0x00 # ID (CIE)
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.byte 0x01 # Version
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.byte 0x52 # Augmentation string: 'R','\0'
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.byte 0x00
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.byte 0x01 # Code alignment
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.byte 0x01 # Data alignment
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.byte 0x01 # Return address register
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.byte 0x03 # DW_EH_PE_udata4
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.byte 0xFF
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.long 12 # Size
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.long 0x14 # CIE offset
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.long foo # PC begin
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.long 1 # PC range
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#--- udata8.s
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## DW_EH_PE_udata8 (0x04)
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.section .eh_frame,"a",@unwind
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.long 0x14 # Size
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.long 0x00 # ID (CIE)
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.byte 0x01 # Version
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.byte 0x50 # Augmentation string: 'P','\0'
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.byte 0x00
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.byte 0x01 # Code alignment
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.byte 0x01 # Data alignment (LEB128)
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.byte 0x01 # Return address register (LEB128)
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.byte 0x04 # DW_EH_PE_udata8
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.quad 0xFFFFFFFFFFFFFFFF
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.byte 0xFF
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