derek.holloway
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119 lines
4.7 KiB
Plaintext
119 lines
4.7 KiB
Plaintext
## When the offset of a non-PT_LOAD segment (e.g. PT_INTERP) equals the offset
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## of a PT_LOAD segment, set the parent of the segment with a smaller alignment
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## to the segment with a larger alignment, ensuring that the offset is correctly
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## aligned.
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# RUN: yaml2obj %s -o %t
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# RUN: llvm-objcopy %t %t2
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# RUN: llvm-readelf -Sl %t2 | FileCheck %s
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# CHECK: [Nr] Name Type Address Off Size ES Flg Lk Inf Al
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# CHECK-NEXT: [ 0] NULL 0000000000000000 000000 000000 00 0 0 0
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# CHECK-NEXT: [ 1] .text PROGBITS 0000000000201000 001000 000001 00 0 0 4
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# CHECK-NEXT: [ 2] .interp PROGBITS 0000000000202000 002000 00001c 00 0 0 1
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# CHECK-NEXT: [ 3] .rodata PROGBITS 0000000000202020 002020 000001 00 0 0 1
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# CHECK-NEXT: [ 4] .tdata PROGBITS 0000000000203000 003000 000001 00 0 0 4096
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# CHECK-NEXT: [ 5] .relro_padding NOBITS 0000000000203001 003001 000fff 00 0 0 1
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# CHECK-NEXT: [ 6] .strtab STRTAB 0000000000000000 003001 000001 00 0 0 1
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# CHECK-NEXT: [ 7] .shstrtab STRTAB 0000000000000000 003002 00003f 00 0 0 1
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# CHECK: Program Headers:
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# CHECK-NEXT: Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align
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# CHECK-NEXT: PHDR 0x000040 0x0000000000200040 0x0000000000200040 0x0001c0 0x0001c0 0x8
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# CHECK-NEXT: INTERP 0x002000 0x0000000000202000 0x0000000000202000 0x00001c 0x00001c 0x1
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# CHECK-NEXT: [Requesting program interpreter: ]
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# CHECK-NEXT: LOAD 0x000000 0x0000000000200000 0x0000000000200000 0x000200 0x000200 0x1000
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# CHECK-NEXT: LOAD 0x001000 0x0000000000201000 0x0000000000201000 0x000001 0x000001 0x1000
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# CHECK-NEXT: LOAD 0x002000 0x0000000000202000 0x0000000000202000 0x000021 0x000021 0x1000
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# CHECK-NEXT: TLS 0x003000 0x0000000000203000 0x0000000000203000 0x000001 0x001000 0x1000
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# CHECK-NEXT: GNU_RELRO 0x003000 0x0000000000203000 0x0000000000203000 0x000001 0x001000 0x1000
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# CHECK-NEXT: LOAD 0x003000 0x0000000000203000 0x0000000000203000 0x000001 0x001000 0x1000
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_EXEC
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Machine: EM_X86_64
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ProgramHeaders:
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- Type: PT_PHDR
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VAddr: 0x200040
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Align: 0x8
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Offset: 0x40
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FileSize: 0x1c0
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MemSize: 0x1c0
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- Type: PT_INTERP
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FirstSec: .interp
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LastSec: .interp
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## The address equals the address of its containing PT_LOAD.
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VAddr: 0x202000
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Offset: 0x2000
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- Type: PT_LOAD
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VAddr: 0x200000
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Align: 0x1000
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Offset: 0x0
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FileSize: 0x200
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MemSize: 0x200
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- Type: PT_LOAD
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FirstSec: .text
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LastSec: .text
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VAddr: 0x201000
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Align: 0x1000
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Offset: 0x1000
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- Type: PT_LOAD
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FirstSec: .interp
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LastSec: .rodata
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VAddr: 0x202000
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Align: 0x1000
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Offset: 0x2000
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## Intentionally place PT_TLS/PT_GNU_RELRO before PT_LOAD to test that we
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## correctly set parent segments.
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- Type: PT_TLS
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FirstSec: .tdata
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LastSec: .relro_padding
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VAddr: 0x203000
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Align: 0x1000
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Offset: 0x3000
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- Type: PT_GNU_RELRO
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FirstSec: .tdata
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LastSec: .relro_padding
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VAddr: 0x203000
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Align: 0x1000
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Offset: 0x3000
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- Type: PT_LOAD
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FirstSec: .tdata
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LastSec: .relro_padding
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VAddr: 0x203000
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Align: 0x1000
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Offset: 0x3000
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Sections:
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- Name: .text
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Type: SHT_PROGBITS
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Address: 0x201000
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AddressAlign: 0x4
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Offset: 0x1000
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Content: C3
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- Name: .interp
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Type: SHT_PROGBITS
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Address: 0x202000
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AddressAlign: 0x1
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Offset: 0x2000
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Size: 0x1C
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- Name: .rodata
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Type: SHT_PROGBITS
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Address: 0x202020
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AddressAlign: 0x1
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Offset: 0x2020
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Size: 1
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- Name: .tdata
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Type: SHT_PROGBITS
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Address: 0x203000
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AddressAlign: 0x1000
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Offset: 0x3000
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Size: 1
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- Name: .relro_padding
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Type: SHT_NOBITS
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Address: 0x203001
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AddressAlign: 0x1
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Size: 0xFFF
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