It was requested in D84173 thread to not do it, because otherwise we extract and check the name of the symbol table in LLVM style, but do not use it and might report a warning which perhaps might be confusing. Differential revision: https://reviews.llvm.org/D84231
679 lines
21 KiB
Plaintext
679 lines
21 KiB
Plaintext
## Check that llvm-objdump reports an error when
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## .shstrtab has an invalid type.
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# RUN: yaml2obj %s --docnum=1 -o %t1
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# RUN: not llvm-objdump -s %t1 2>&1 | FileCheck %s -DFILE=%t1 --check-prefix=INVALID-SHTYPE
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# INVALID-SHTYPE: error: '[[FILE]]': invalid sh_type for string table section [index 1]: expected SHT_STRTAB, but got SHT_PROGBITS
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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_DYN
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Machine: EM_X86_64
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Sections:
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- Name: .shstrtab
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Type: SHT_PROGBITS
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## Check that llvm-objdump reports an error when
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## .shstrtab has an invalid zero-size.
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# RUN: yaml2obj %s --docnum=2 -o %t2
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# RUN: not llvm-objdump -s %t2 2>&1 | FileCheck %s -DFILE=%t2 --check-prefix=STRTAB-EMPTY
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# STRTAB-EMPTY: error: '[[FILE]]': SHT_STRTAB string table section [index 1] is empty
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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_DYN
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Machine: EM_X86_64
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Sections:
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- Name: .shstrtab
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Type: SHT_STRTAB
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Size: 0
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## Check that llvm-objdump reports an error when .shstrtab has an invalid
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## size that goes past the end of the file.
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# RUN: not llvm-objdump -s %p/Inputs/invalid-strtab-size.elf 2>&1 \
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# RUN: | FileCheck %s -DFILE=%p/Inputs/invalid-strtab-size.elf --check-prefix=INVALID-STRTAB-SIZE
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# INVALID-STRTAB-SIZE: error: '[[FILE]]': section [index 1] has a sh_offset (0x70) + sh_size (0xffffff) that is greater than the file size (0x218)
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## Check that llvm-dwarfdump reports an error during relocation resolution
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## when instead of expected SHT_RELA section it locates a section of a different type.
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# RUN: yaml2obj %s --docnum=3 -o %t3
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# RUN: not --crash llvm-dwarfdump -debug-line %t3 2>&1 | FileCheck --check-prefix=RELA %s
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# RELA: LLVM ERROR: Section is not SHT_RELA
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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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Machine: EM_X86_64
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Sections:
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- Name: .debug_line
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Type: SHT_PROGBITS
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## The exact content does not matter here. We can use any minimal valid debug section
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## which is a target for relocation. The idea is to trigger the code that reads the
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## relocation's addend during relocation resolution. It should fail if called on
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## a non-SHT_RELA section.
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Content: 380000000200210000000101FB0E0D00010101010000000100000100676C6F62616C2E63707000000000000009020000000000000000130237000101
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- Name: .rela.debug_line
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Type: SHT_REL
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Info: .debug_line
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Relocations:
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- Offset: 0x000000000000002E
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Type: R_X86_64_64
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## Check that llvm-objdump reports an error when it tries to dump section names
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## and .shstrtab is not null-terminated.
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# RUN: yaml2obj %s --docnum=4 -o %t4
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# RUN: not llvm-objdump -s %t4 2>&1 | FileCheck -DFILE=%t4 --check-prefix=SHSTRTAB-NON-TERM %s
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# SHSTRTAB-NON-TERM: error: '[[FILE]]': SHT_STRTAB string table section [index 1] is non-null terminated
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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_DYN
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Machine: EM_X86_64
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Sections:
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- Name: .shstrtab
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Type: SHT_STRTAB
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Content: "11"
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## Check that llvm-objdump reports an error when it tries to dump a symbol name and
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## .strtab is not null-terminated.
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# RUN: yaml2obj %s --docnum=5 -o %t5
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# RUN: not llvm-objdump --syms %t5 2>&1 | FileCheck --check-prefix=NONULL %s
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# NONULL: error: {{.*}}: SHT_STRTAB string table section [index 1] is non-null terminated
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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_DYN
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Machine: EM_X86_64
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Sections:
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- Name: .strtab
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Type: SHT_STRTAB
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Content: "11"
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Symbols:
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- Name: foo
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## Check that llvm-readobj reports an error if .symtab has an invalid sh_entsize.
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# RUN: yaml2obj %s --docnum=6 -o %t6
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# RUN: llvm-readobj --symbols %t6 2>&1 | FileCheck -DFILE=%t6 --check-prefix=INVALID-SYM-SIZE %s
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# INVALID-SYM-SIZE: warning: '[[FILE]]': unable to read symbols from the SHT_SYMTAB section: section [index 1] has an invalid sh_entsize: 32
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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_DYN
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Machine: EM_X86_64
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Sections:
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- Name: .symtab
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Type: SHT_SYMTAB
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EntSize: 32
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Symbols:
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- Name: foo
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## Check that llvm-readobj reports a warning if .dynsym has an invalid sh_entsize.
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# RUN: yaml2obj %s --docnum=7 -o %t7
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# RUN: llvm-readobj --dyn-symbols %t7 2>&1 | FileCheck -DFILE=%t7 --check-prefix=INVALID-DYNSYM-SIZE %s
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# INVALID-DYNSYM-SIZE: warning: '[[FILE]]': SHT_DYNSYM section with index 1 has invalid size (0x30) or entry size (0x20)
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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_DYN
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Machine: EM_X86_64
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Sections:
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- Name: .dynsym
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Type: SHT_DYNSYM
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EntSize: 32
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DynamicSymbols:
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- Name: foo
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## Check that llvm-readobj reports a warning if .symtab has an invalid sh_link value,
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## which is greater than number of sections.
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# RUN: yaml2obj %s --docnum=8 -o %t8
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# RUN: llvm-readobj --symbols %t8 2>&1 | FileCheck -DFILE=%t8 --check-prefix=INVALID-SYMTAB-LINK %s
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# INVALID-SYMTAB-LINK: warning: '[[FILE]]': unable to get the string table for the SHT_SYMTAB section: invalid section index: 255
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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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Machine: EM_X86_64
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Sections:
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- Name: .symtab
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Type: SHT_SYMTAB
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Link: 0xFF
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## Check that llvm-readobj reports an error when trying to dump sections
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## when the e_shentsize field is broken.
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# RUN: yaml2obj %s --docnum=9 -o %t9
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# RUN: not llvm-readobj -S %t9 2>&1 | FileCheck --check-prefix=INVALID-SH-ENTSIZE %s
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# INVALID-SH-ENTSIZE: error: {{.*}}: invalid e_shentsize in ELF header: 1
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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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Machine: EM_X86_64
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EShEntSize: 1
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## Check that llvm-readobj reports a warning if .symtab has sh_size
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## that is not a multiple of sh_entsize.
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# RUN: yaml2obj %s --docnum=10 -o %t10
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# RUN: llvm-readobj --symbols %t10 2>&1 | FileCheck -DFILE=%t10 --check-prefix=INVALID-SYMTAB-SIZE %s
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# INVALID-SYMTAB-SIZE: warning: '[[FILE]]': unable to read symbols from the SHT_SYMTAB section: section [index 1] has an invalid sh_size (1) which is not a multiple of its sh_entsize (24)
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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_DYN
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Machine: EM_X86_64
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Sections:
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- Name: .symtab
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Type: SHT_SYMTAB
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Size: 1
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## Test that llvm-readobj reports an error if SHT_SYMTAB_SHNDX section has
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## invalid sh_size which should be:
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## sizeof(.symtab_shndx) = (sizeof(.symtab) / entsize(.symtab)) * entsize(.symtab_shndx)
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# RUN: yaml2obj %s --docnum=11 -o %t11
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# RUN: not llvm-readobj --symbols %t11 2>&1 | FileCheck --check-prefix=INVALID-XINDEX-SIZE %s
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# INVALID-XINDEX-SIZE: error: {{.*}}: SHT_SYMTAB_SHNDX has 2 entries, but the symbol table associated has 1
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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_DYN
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Machine: EM_X86_64
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Sections:
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- Name: .symtab_shndx
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Type: SHT_SYMTAB_SHNDX
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Entries: [ 0, 1 ]
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Link: .symtab
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Symbols: []
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## Check that llvm-readobj reports a warning when the e_phentsize field is broken.
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# RUN: llvm-readobj --program-headers %p/Inputs/invalid-e_shnum.elf 2>&1 | \
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# RUN: FileCheck -DFILE=%p/Inputs/invalid-e_shnum.elf --check-prefix=INVALID-PH-ENTSIZE %s
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# INVALID-PH-ENTSIZE: warning: '[[FILE]]': unable to dump program headers: invalid e_phentsize: 12336
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## Check that llvm-readobj reports a warning when we have no SHT_SYMTAB_SHNDX section,
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## but have a symbol referencing it.
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# RUN: llvm-readobj --symbols %p/Inputs/invalid-ext-symtab-index.elf-x86-64 2>&1 | \
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# RUN: FileCheck -DFILE=%p/Inputs/invalid-ext-symtab-index.elf-x86-64 --check-prefix=INVALID-EXT-SYMTAB-INDEX %s
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# INVALID-EXT-SYMTAB-INDEX: warning: '[[FILE]]': extended symbol index (0) is past the end of the SHT_SYMTAB_SHNDX section of size 0
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# INVALID-EXT-SYMTAB-INDEX: Section: Reserved (0xFFFF)
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## Check that llvm-readobj reports an error if a relocation section
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## has a broken sh_offset (past the end of the file).
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# RUN: yaml2obj %s --docnum=12 -o %t12
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# RUN: yaml2obj %s --docnum=13 -o %t13
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# RUN: not llvm-readobj -r %t12 2>&1 | FileCheck -DFILE=%t12 --check-prefix=INVALID-RELOC-SH-OFFSET %s
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# RUN: not llvm-readobj -r %t13 2>&1 | FileCheck -DFILE=%t13 --check-prefix=INVALID-RELOC-SH-OFFSET %s
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# INVALID-RELOC-SH-OFFSET: error: '[[FILE]]': section [index 1] has a sh_offset (0x10000) + sh_size (0x0) that is greater than the file size (0x160)
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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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Machine: EM_386
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Sections:
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- Name: .rel
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Type: SHT_REL
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ShOffset: 0x10000
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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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Machine: EM_X86_64
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Sections:
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- Name: .rela
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Type: SHT_RELA
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ShOffset: 0x10000
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## Check that llvm-readobj reports a warning when we try to print section symbols and
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## .shstrtab has a broken sh_offset so large that sh_offset + sh_size overflows the platform address size type.
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# RUN: yaml2obj %s --docnum=14 -o %t14
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# RUN: llvm-readobj --symbols %t14 2>&1 | FileCheck -DFILE=%t14 --check-prefix=INVALID-SECTION-SIZE2 %s
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# INVALID-SECTION-SIZE2: Symbol {
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# INVALID-SECTION-SIZE2: Name: symbol (1)
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# INVALID-SECTION-SIZE2-NEXT: Value: 0x123
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# INVALID-SECTION-SIZE2-NEXT: Size: 0
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# INVALID-SECTION-SIZE2-NEXT: Binding: Local (0x0)
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# INVALID-SECTION-SIZE2-NEXT: Type: None (0x0)
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# INVALID-SECTION-SIZE2-NEXT: Other: 0
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# INVALID-SECTION-SIZE2-NEXT: warning: '[[FILE]]': section [index 1] has a sh_offset (0xffffffff) + sh_size (0x1b) that cannot be represented
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# INVALID-SECTION-SIZE2-NEXT: Section: <?> (0x1)
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# INVALID-SECTION-SIZE2-NEXT: }
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--- !ELF
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FileHeader:
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Class: ELFCLASS32
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Data: ELFDATA2LSB
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Type: ET_REL
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Machine: EM_386
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Sections:
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- Name: .shstrtab
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Type: SHT_STRTAB
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ShOffset: 0xFFFFFFFF
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Symbols:
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- Name: symbol
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Section: .shstrtab
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Value: 0x123
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## Check that llvm-readobj reports an error when trying to dump sections
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## when the e_shnum field is broken (is greater than the actual number of sections).
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# RUN: yaml2obj %s --docnum=15 -o %t15
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# RUN: not llvm-readobj -S %t15 2>&1 | FileCheck --check-prefix=INVALID-SECTION-NUM %s
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# INVALID-SECTION-NUM: error: {{.*}}: section table goes past the end of file
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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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Machine: EM_X86_64
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EShNum: 0xFF
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## Check llvm-readobj does not crash on a truncated ELF.
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## Create a truncated ELF object with ELFCLASSNONE class using echo.
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## 0x7f, 'E', 'L', 'F', ELFCLASS64(2), ELFDATA2LSB(1),
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## EV_CURRENT(1), ELFOSABI_LINUX(3), <padding zero bytes>, ET_REL(1), EM_NONE(0)
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# RUN: echo -e -n "\x7f\x45\x4c\x46\x02\x01\x01\x03\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00" > %t11
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# RUN: not llvm-readobj -r %t11 2>&1 | FileCheck --check-prefix=INVALID-BUFFER %s
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# INVALID-BUFFER: error: {{.*}}': invalid buffer: the size (18) is smaller than an ELF header (64)
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# RUN: not llvm-readobj %p/Inputs/invalid-coff-header-too-small 2>&1 | FileCheck --check-prefix=COFF-HEADER %s
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# COFF-HEADER: The file was not recognized as a valid object file
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## Check that llvm-readobj reports an error if section name offset
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## overflows the section name string table.
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# RUN: yaml2obj %s --docnum=16 -o %t16
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# RUN: llvm-readobj --sections %t16 2>&1 | FileCheck -DFILE=%t16 --check-prefix=BROKEN-SECNAME %s
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## BROKEN-SECNAME: warning: '[[FILE]]': a section [index 2] has an invalid sh_name (0xb) offset which goes past the end of the section name string table
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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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Machine: EM_X86_64
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Sections:
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- Name: .shstrtab
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Type: SHT_STRTAB
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Size: 1
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## Check that llvm-readobj reports an error if a section has a broken offset
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## that goes past the end of the file.
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# RUN: yaml2obj %s --docnum=17 -o %t17
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# RUN: not llvm-readobj --sections --section-data %t17 2>&1 \
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# RUN: | FileCheck -DFILE=%t17 --check-prefix=BROKEN-SECSHOFFSET %s
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# BROKEN-SECSHOFFSET: error: '[[FILE]]': section [index 1] has a sh_offset (0xffff0000) + sh_size (0x0) that is greater than the file size (0x160)
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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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Machine: EM_X86_64
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Sections:
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- Name: .foo
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Type: SHT_PROGBITS
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ShOffset: 0xFFFF0000
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## Check that llvm-readobj reports a warning if symbol name
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## offset goes past the end of the symbol string table.
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# RUN: yaml2obj %s --docnum=18 -o %t18
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# RUN: llvm-readobj --symbols %t18 2>&1 | FileCheck -DFILE=%t18 --check-prefix=INVALID-SYM-NAME %s
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# INVALID-SYM-NAME: warning: '[[FILE]]': st_name (0x1) is past the end of the string table of size 0x1
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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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Machine: EM_X86_64
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Sections:
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- Name: .strtab
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Type: SHT_STRTAB
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Size: 1
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Symbols:
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- Name: foo
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## Version index in .gnu.version overflows the version map.
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## Check llvm-readobj reports it.
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# RUN: yaml2obj %s --docnum=19 -o %t19
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# RUN: llvm-readobj -dt %t19 2>&1 | FileCheck -DFILE=%t19 --check-prefix=INVALID-VERSION %s
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# INVALID-VERSION: warning: '[[FILE]]': SHT_GNU_versym section refers to a version index 255 which is missing
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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_DYN
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Machine: EM_X86_64
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Sections:
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- Name: .gnu.version
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Type: SHT_GNU_versym
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Entries: [ 0xFF ]
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DynamicSymbols:
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- Name: foo
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## ELF header contains e_phentsize field with a value != sizeof(Elf_Phdr).
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## Check llvm-readobj reports it.
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# RUN: llvm-readobj -l %p/Inputs/corrupt-invalid-phentsize.elf.x86-64 2>&1 \
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# RUN: | FileCheck -DFILE=%p/Inputs/corrupt-invalid-phentsize.elf.x86-64 --check-prefix=PHENTSIZE %s
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# PHENTSIZE: warning: '[[FILE]]': unable to read program headers to locate the PT_DYNAMIC segment: invalid e_phentsize: 57
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## The dynamic table contains DT_STRTAB with a value that is not in any loadable segment.
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## Check llvm-readobj reports it.
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# RUN: yaml2obj %s --docnum=20 -o %t20
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# RUN: llvm-readobj --dynamic-table %t20 2>&1 | FileCheck -DFILE=%t20 --check-prefix=INVALID-DTSTRTAB %s
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# INVALID-DTSTRTAB: warning: '[[FILE]]': Unable to parse DT_STRTAB: virtual address is not in any segment: 0xffff0000
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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
|
|
Sections:
|
|
- Name: .dynamic
|
|
Type: SHT_DYNAMIC
|
|
Address: 0x1000
|
|
Entries:
|
|
- Tag: DT_STRTAB
|
|
Value: 0xFFFF0000
|
|
- Tag: DT_NULL
|
|
Value: 0x0
|
|
ProgramHeaders:
|
|
- Type: PT_LOAD
|
|
VAddr: 0x1000
|
|
Sections:
|
|
- Section: .dynamic
|
|
|
|
## Check that llvm-readobj reports a warning when a dynamic relocation section
|
|
## has sh_entsize field with size != sizeof(Elf_Rela).
|
|
|
|
# RUN: llvm-readobj --dyn-relocations \
|
|
# RUN: %p/Inputs/corrupt-invalid-relocation-size.elf.x86-64 2>&1 \
|
|
# RUN: | FileCheck -DFILE=%p/Inputs/corrupt-invalid-relocation-size.elf.x86-64 --check-prefix=RELOC-BROKEN-ENTSIZE %s
|
|
|
|
# RELOC-BROKEN-ENTSIZE: warning: '[[FILE]]': invalid DT_RELASZ value (0x18) or DT_RELAENT value (0x19)
|
|
|
|
## Check that llvm-readobj reports a warning when .dynamic section has an invalid
|
|
## size, which isn't a multiple of the dynamic entry size.
|
|
|
|
# RUN: yaml2obj %s --docnum=21 -o %t21
|
|
# RUN: llvm-readobj --dyn-relocations %t21 2>&1 | FileCheck -DFILE=%t21 --check-prefix=DYN-TABLE-SIZE %s
|
|
|
|
# DYN-TABLE-SIZE: warning: '[[FILE]]': SHT_DYNAMIC section with index 1 has invalid size (0x1){{$}}
|
|
|
|
--- !ELF
|
|
FileHeader:
|
|
Class: ELFCLASS64
|
|
Data: ELFDATA2LSB
|
|
Type: ET_EXEC
|
|
Machine: EM_X86_64
|
|
Sections:
|
|
- Name: .dynamic
|
|
Type: SHT_DYNAMIC
|
|
Content: "00"
|
|
|
|
## PT_DYNAMIC's p_offset field is so large that p_offset + p_filesz is larger
|
|
## than the object size. Check llvm-readobj reports it.
|
|
|
|
# RUN: yaml2obj %s --docnum=22 -o %t22
|
|
# RUN: llvm-readobj --dyn-relocations %t22 2>&1 | FileCheck -DFILE=%t22 --check-prefix=DYN-TABLE-PHDR %s
|
|
|
|
# DYN-TABLE-PHDR: warning: '[[FILE]]': PT_DYNAMIC segment offset + size exceeds the size of the file
|
|
|
|
--- !ELF
|
|
FileHeader:
|
|
Class: ELFCLASS64
|
|
Data: ELFDATA2LSB
|
|
Type: ET_EXEC
|
|
Machine: EM_X86_64
|
|
ProgramHeaders:
|
|
- Type: PT_DYNAMIC
|
|
Offset: 0xffff0000
|
|
|
|
## PT_DYNAMIC's p_filesz field is so large that p_offset + p_filesz is larger
|
|
## than the object size. Check llvm-readobj reports it.
|
|
|
|
# RUN: yaml2obj %s --docnum=23 -o %t23
|
|
# RUN: llvm-readobj --dyn-relocations %t23 2>&1 \
|
|
# RUN: | FileCheck -DFILE=%t23 --check-prefix=DYN-TABLE-PHDR %s
|
|
|
|
--- !ELF
|
|
FileHeader:
|
|
Class: ELFCLASS64
|
|
Data: ELFDATA2LSB
|
|
Type: ET_EXEC
|
|
Machine: EM_X86_64
|
|
Sections:
|
|
- Name: .dynamic
|
|
Type: SHT_DYNAMIC
|
|
Entries:
|
|
- Tag: DT_NULL
|
|
Value: 0
|
|
ProgramHeaders:
|
|
- Type: PT_DYNAMIC
|
|
FileSize: 0xffff0000
|
|
Sections:
|
|
- Section: .dynamic
|
|
|
|
# RUN: yaml2obj --docnum=24 %s -o %t24
|
|
# RUN: not obj2yaml 2>&1 %t24 | FileCheck %s -DFILE=%t24 --check-prefix=INVALID-SHSTRNDX
|
|
|
|
# INVALID-SHSTRNDX: Error reading file: [[FILE]]: section header string table index 255 does not exist
|
|
|
|
--- !ELF
|
|
FileHeader:
|
|
Class: ELFCLASS64
|
|
Data: ELFDATA2LSB
|
|
Type: ET_REL
|
|
Machine: EM_X86_64
|
|
EShStrNdx: 0xFF
|
|
Sections:
|
|
- Name: .foo
|
|
Type: SHT_PROGBITS
|
|
|
|
## We report an error if the number of sections stored in sh_size
|
|
## is greater than UINT64_MAX / sizeof(Elf_Shdr) == 288230376151711743.
|
|
## Here we check that do not crash on a border value.
|
|
|
|
# RUN: yaml2obj --docnum=25 %s -o %t25
|
|
# RUN: not llvm-readobj -h %t25 2>&1 | FileCheck -DFILE=%t25 --check-prefix=INVALID-SEC-NUM1 %s
|
|
|
|
# INVALID-SEC-NUM1: error: '[[FILE]]': invalid section header table offset (e_shoff = 0x58) or invalid number of sections specified in the first section header's sh_size field (0x3ffffffffffffff)
|
|
|
|
--- !ELF
|
|
FileHeader:
|
|
Class: ELFCLASS64
|
|
Data: ELFDATA2LSB
|
|
Type: ET_REL
|
|
Machine: EM_X86_64
|
|
EShNum: 0x0
|
|
Sections:
|
|
- Type: SHT_NULL
|
|
Size: 288230376151711743
|
|
|
|
## See above, but now we test the UINT64_MAX / sizeof(Elf_Shdr) value.
|
|
## The error is slightly different in this case.
|
|
|
|
# RUN: yaml2obj --docnum=26 %s -o %t26
|
|
# RUN: not llvm-readobj -h %t26 2>&1 | FileCheck -DFILE=%t26 --check-prefix=INVALID-SEC-NUM2 %s
|
|
|
|
# INVALID-SEC-NUM2: error: '[[FILE]]': invalid number of sections specified in the NULL section's sh_size field (288230376151711744)
|
|
|
|
--- !ELF
|
|
FileHeader:
|
|
Class: ELFCLASS64
|
|
Data: ELFDATA2LSB
|
|
Type: ET_REL
|
|
Machine: EM_X86_64
|
|
EShNum: 0x0
|
|
Sections:
|
|
- Type: SHT_NULL
|
|
Size: 288230376151711744
|
|
|
|
## Check the case when SHOff is too large. SHOff + sizeof(Elf_Shdr) overflows the uint64 type.
|
|
|
|
# RUN: yaml2obj --docnum=27 %s -o %t27
|
|
# RUN: not llvm-readobj -h %t27 2>&1 | FileCheck -DFILE=%t27 --check-prefix=INVALID-SEC-NUM3 %s
|
|
|
|
# INVALID-SEC-NUM3: error: '[[FILE]]': section header table goes past the end of the file: e_shoff = 0xffffffffffffffff
|
|
|
|
--- !ELF
|
|
FileHeader:
|
|
Class: ELFCLASS64
|
|
Data: ELFDATA2LSB
|
|
Type: ET_REL
|
|
Machine: EM_X86_64
|
|
EShOff: 0xffffffffffffffff
|
|
|
|
## Check that llvm-objdump reports an error when it tries to dump a
|
|
## symbol name and .strtab is empty.
|
|
|
|
# RUN: yaml2obj %s --docnum=28 -o %t28
|
|
# RUN: not llvm-objdump --syms %t28 2>&1 | FileCheck -DFILE=%t28 --check-prefix=STRTAB-EMPTY2 %s
|
|
|
|
# STRTAB-EMPTY2: error: '[[FILE]]': SHT_STRTAB string table section [index 1] is empty
|
|
|
|
--- !ELF
|
|
FileHeader:
|
|
Class: ELFCLASS64
|
|
Data: ELFDATA2LSB
|
|
Type: ET_DYN
|
|
Machine: EM_X86_64
|
|
Sections:
|
|
- Name: .strtab
|
|
Type: SHT_STRTAB
|
|
Content: ""
|
|
Symbols:
|
|
- Name: foo
|
|
|
|
## Check that we report a warning if SHT_GNU_versym has invalid
|
|
## sh_entsize value (3 instead of 2) when trying to access the entries.
|
|
|
|
# RUN: yaml2obj %s --docnum=29 -o %t29
|
|
# RUN: llvm-readobj -V %t29 2>&1 | FileCheck -DFILE=%t29 --check-prefix=INVALID-VER-SHENTSIZE %s
|
|
|
|
# INVALID-VER-SHENTSIZE: warning: '[[FILE]]': cannot read content of SHT_GNU_versym section with index 1: section [index 1] has an invalid sh_entsize: 3
|
|
|
|
--- !ELF
|
|
FileHeader:
|
|
Class: ELFCLASS64
|
|
Data: ELFDATA2LSB
|
|
OSABI: ELFOSABI_FREEBSD
|
|
Type: ET_DYN
|
|
Machine: EM_X86_64
|
|
Sections:
|
|
- Name: .gnu.version
|
|
Type: SHT_GNU_versym
|
|
EntSize: 0x0000000000000003
|
|
Entries: [ ]
|
|
Link: .dynsym
|
|
## Needed to trigger creation of .dynsym.
|
|
DynamicSymbols:
|
|
- Name: foo
|
|
Binding: STB_GLOBAL
|
|
|
|
## Check the case when e_shstrndx == SHN_XINDEX, but null section's sh_link contains
|
|
## the index of a section header string table that is larger than the number of the sections.
|
|
|
|
# RUN: yaml2obj --docnum=30 %s -o %t30
|
|
# RUN: not llvm-objcopy %t30 2>&1 | FileCheck %s -DFILE=%t30 --check-prefix=INVALID-SHSTRTAB-INDEX
|
|
|
|
# INVALID-SHSTRTAB-INDEX: error: section header string table index 255 does not exist
|
|
|
|
--- !ELF
|
|
FileHeader:
|
|
Class: ELFCLASS64
|
|
Data: ELFDATA2LSB
|
|
Type: ET_REL
|
|
Machine: EM_X86_64
|
|
## SHN_XINDEX == 0xffff.
|
|
EShStrNdx: 0xffff
|
|
Sections:
|
|
- Type: SHT_NULL
|
|
Link: 0xff
|
|
|
|
## Check the case when the e_phoff field is invalid.
|
|
# RUN: yaml2obj --docnum=31 %s -o %t31
|
|
# RUN: not llvm-objdump --private-headers %t31 2>&1 | FileCheck -DFILE=%t31 %s --check-prefix=INVALID-PHOFF
|
|
|
|
# INVALID-PHOFF: error: '[[FILE]]': program headers are longer than binary of size 280: e_phoff = 0xffffff, e_phnum = 0, e_phentsize = 0
|
|
|
|
--- !ELF
|
|
FileHeader:
|
|
Class: ELFCLASS64
|
|
Data: ELFDATA2LSB
|
|
Type: ET_EXEC
|
|
Machine: EM_X86_64
|
|
EPhOff: 0xffffff
|