derek.holloway
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67 lines
2.3 KiB
ArmAsm
67 lines
2.3 KiB
ArmAsm
## Here we simulate an object with more than ~65k sections and check how we dump it.
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## When an ELF object has SHN_LORESERVE (0xff00) or more sections, its e_shnum field
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## should be zero and sh_size of the section header at index 0 is used
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## to store the value. If the section name string table section index is
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## greater than or equal to SHN_LORESERVE, then e_shstrndx field
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## should have the value of SHN_XINDEX and sh_link of the section header
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## at index 0 is used to store the value.
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# RUN: yaml2obj --docnum=1 %s -o %t1
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# RUN: llvm-readelf --file-headers -S %t1 | FileCheck %s --check-prefix=GNU1
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# GNU1: Number of section headers: 0 (3)
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# GNU1: Section header string table index: 65535 (2)
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# GNU1: There are 3 section headers, starting at offset 0x58
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# RUN: llvm-readobj --file-headers %t1 | FileCheck %s --check-prefix=LLVM1
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# LLVM1: SectionHeaderCount: 0 (3)
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# LLVM1: StringTableSectionIndex: 65535 (2)
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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_REL
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EShNum: 0
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EShStrNdx: 0xffff ## SHN_XINDEX
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Sections:
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- Type: SHT_NULL
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Link: .shstrtab
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Size: 0x3
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## Another case is when e_shoff field set to zero, but not e_shstrndx.
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## We want to show that this corrupt case is handled correctly.
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# RUN: yaml2obj --docnum=2 %s -o %t2
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# RUN: llvm-readelf --file-headers --sections %t2 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t2 --check-prefix=GNU2
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# RUN: llvm-readelf --file-headers --section-details %t2 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t2 --check-prefix=GNU2
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# GNU2: Number of section headers: 0
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# GNU2: Section header string table index: 65535 (corrupt: out of range)
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# GNU2-EMPTY:
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# GNU2: There are no sections in this file.
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# GNU2-NEXT: warning: '[[FILE]]': e_shstrndx == SHN_XINDEX, but cannot read section header 0: invalid section index: 0
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# RUN: llvm-readobj --file-headers --sections %t2 | \
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# RUN: FileCheck %s --check-prefix=LLVM2 --implicit-check-not="warning:"
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# LLVM2: SectionHeaderCount: 0
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# LLVM2: StringTableSectionIndex: 65535 (corrupt: out of range)
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# LLVM2-NEXT: }
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# LLVM2-NEXT: Sections [
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# LLVM2-NEXT: ]
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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_REL
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EShOff: 0
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EShNum: 0
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EShStrNdx: 0xffff ## SHN_XINDEX
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Sections:
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- Type: SHT_NULL
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Link: .shstrtab
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Size: 0x3
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