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fc23a01ea2
I didn't initialize a pointer to be nullptr that I needed to. This change adds support for nested and even overlapping segments. This means that PT_PHDR, PT_GNU_RELRO, PT_TLS, and PT_DYNAMIC can be supported properly. Differential Revision: https://reviews.llvm.org/D36558 llvm-svn: 313682
124 lines
3.5 KiB
Plaintext
124 lines
3.5 KiB
Plaintext
# This test tests that each segment is assigned a canonical parent segment.
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# Importantly if two segments could be the parent segment of a segment this test
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# should cover the case where a new parent replaces the old parent and the case
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# where an old parent is not replaced by a new parent.
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# RUN: yaml2obj %s -o %t
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# RUN: llvm-objcopy %t %t2
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# RUN: llvm-readobj --program-headers %t2 | FileCheck %s
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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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Sections:
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- Name: .text
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Type: SHT_PROGBITS
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Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
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AddressAlign: 0x1000
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Size: 4096
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- Name: .text2
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Type: SHT_PROGBITS
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Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
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AddressAlign: 0x1000
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Size: 4096
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- Name: .text3
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Type: SHT_PROGBITS
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Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
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AddressAlign: 0x1000
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Size: 4096
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- Name: .text4
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Type: SHT_PROGBITS
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Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
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AddressAlign: 0x1000
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Size: 4096
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- Name: .text5
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Type: SHT_PROGBITS
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Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
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AddressAlign: 0x1000
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Size: 4096
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ProgramHeaders:
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- Type: PT_LOAD
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Flags: [ PF_X, PF_R ]
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Sections:
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- Section: .text4
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- Section: .text5
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- Type: PT_LOAD
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Flags: [ PF_X, PF_R ]
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Sections:
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- Section: .text3
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- Section: .text4
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- Section: .text5
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- Type: PT_LOAD
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Flags: [ PF_X, PF_R ]
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Sections:
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- Section: .text
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- Section: .text2
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- Section: .text3
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- Section: .text4
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- Section: .text5
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- Type: PT_LOAD
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Flags: [ PF_X, PF_R ]
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Sections:
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- Section: .text2
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- Section: .text3
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- Section: .text4
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- Section: .text5
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#CHECK: ProgramHeaders [
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#CHECK-NEXT: ProgramHeader {
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#CHECK-NEXT: Type: PT_LOAD (0x1)
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#CHECK-NEXT: Offset: 0x4000
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#CHECK-NEXT: VirtualAddress: 0x0
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#CHECK-NEXT: PhysicalAddress: 0x0
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#CHECK-NEXT: FileSize: 8192
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#CHECK-NEXT: MemSize: 8192
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#CHECK-NEXT: Flags [ (0x5)
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#CHECK-NEXT: PF_R (0x4)
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#CHECK-NEXT: PF_X (0x1)
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#CHECK-NEXT: ]
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#CHECK-NEXT: Alignment: 4096
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#CHECK-NEXT: }
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#CHECK-NEXT: ProgramHeader {
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#CHECK-NEXT: Type: PT_LOAD (0x1)
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#CHECK-NEXT: Offset: 0x3000
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#CHECK-NEXT: VirtualAddress: 0x0
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#CHECK-NEXT: PhysicalAddress: 0x0
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#CHECK-NEXT: FileSize: 12288
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#CHECK-NEXT: MemSize: 12288
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#CHECK-NEXT: Flags [ (0x5)
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#CHECK-NEXT: PF_R (0x4)
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#CHECK-NEXT: PF_X (0x1)
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#CHECK-NEXT: ]
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#CHECK-NEXT: Alignment: 4096
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#CHECK-NEXT: }
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#CHECK-NEXT: ProgramHeader {
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#CHECK-NEXT: Type: PT_LOAD (0x1)
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#CHECK-NEXT: Offset: 0x1000
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#CHECK-NEXT: VirtualAddress: 0x0
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#CHECK-NEXT: PhysicalAddress: 0x0
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#CHECK-NEXT: FileSize: 20480
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#CHECK-NEXT: MemSize: 20480
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#CHECK-NEXT: Flags [ (0x5)
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#CHECK-NEXT: PF_R (0x4)
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#CHECK-NEXT: PF_X (0x1)
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#CHECK-NEXT: ]
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#CHECK-NEXT: Alignment: 4096
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#CHECK-NEXT: }
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#CHECK-NEXT: ProgramHeader {
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#CHECK-NEXT: Type: PT_LOAD (0x1)
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#CHECK-NEXT: Offset: 0x2000
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#CHECK-NEXT: VirtualAddress: 0x0
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#CHECK-NEXT: PhysicalAddress: 0x0
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#CHECK-NEXT: FileSize: 16384
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#CHECK-NEXT: MemSize: 16384
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#CHECK-NEXT: Flags [ (0x5)
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#CHECK-NEXT: PF_R (0x4)
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#CHECK-NEXT: PF_X (0x1)
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#CHECK-NEXT: ]
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#CHECK-NEXT: Alignment: 4096
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#CHECK-NEXT: }
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#CHECK-NEXT:]
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