derek.holloway
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66 lines
2.5 KiB
Plaintext
66 lines
2.5 KiB
Plaintext
## Check we are able to dump library soname properly.
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## Test a valid object case first. We set 'FileSize' to 0x48, because this is a no-op,
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## i.e. this value would be set if we had no 'FileSize' at all.
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# RUN: yaml2obj -DDTSTRTABVAL=0x0 -DPHDRFILESIZE="0x48" %s -o %t.o
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# RUN: llvm-readobj %t.o | FileCheck %s --check-prefix LLVM
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# RUN: llvm-readelf --dynamic-table %t.o | FileCheck %s --check-prefix GNU
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# LLVM: Format: elf64-x86-64
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# LLVM-NEXT: Arch: x86_64
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# LLVM-NEXT: AddressSize: 64bit
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# LLVM-NEXT: LoadName: test.so
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# GNU: Dynamic section at offset 0x80 contains 4 entries:
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# GNU-NEXT: Tag Type Name/Value
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# GNU-NEXT: 0x0000000000000005 (STRTAB) 0x0
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# GNU-NEXT: 0x000000000000000a (STRSZ) 8 (bytes)
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# GNU-NEXT: 0x000000000000000e (SONAME) Library soname: [test.so]
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# GNU-NEXT: 0x0000000000000000 (NULL) 0x0
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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: .dynstr
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Type: SHT_STRTAB
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Flags: [ SHF_ALLOC ]
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Content: '746573742e736f00' ## "test.so"
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- Name: .dynamic
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Type: SHT_DYNAMIC
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Flags: [ SHF_ALLOC ]
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Link: .dynstr
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Entries:
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- Tag: DT_STRTAB
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Value: [[DTSTRTABVAL]]
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- Tag: DT_STRSZ
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Value: 0x0000000000000008
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- Tag: DT_SONAME
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Value: 0x0000000000000000
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- Tag: DT_NULL
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Value: 0x0000000000000000
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ProgramHeaders:
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- Type: PT_LOAD
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Flags: [ PF_R ]
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VAddr: 0x0000
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FileSize: [[PHDRFILESIZE]]
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FirstSec: .dynstr
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LastSec: .dynamic
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## Check we do not crash when an object contains a DT_STRTAB entry whose address
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## is past the end of the object.
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## Note that we have to set p_filesz for PT_LOAD larger than DT_STRTAB value
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## to trigger this particular warning.
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# RUN: yaml2obj -DDTSTRTABVAL=0xFFFE -DPHDRFILESIZE=0xFFFF %s -o %t.err.1.o
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# RUN: llvm-readobj %t.err.1.o 2>&1 | FileCheck %s -DFILE=%t.err.1.o --check-prefixes=BROKEN-OFFSET,BROKEN-OFFSET-LLVM
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# RUN: llvm-readelf --dynamic-table %t.err.1.o 2>&1 | FileCheck %s -DFILE=%t.err.1.o --check-prefixes=BROKEN-OFFSET,BROKEN-OFFSET-GNU
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# BROKEN-OFFSET: warning: '[[FILE]]': unable to parse DT_STRTAB: can't map virtual address 0xfffe to the segment with index 1: the segment ends at 0x10077, which is greater than the file size (0x228)
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# BROKEN-OFFSET: warning: '[[FILE]]': string table was not found
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# BROKEN-OFFSET-LLVM: LoadName: <?>
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# BROKEN-OFFSET-GNU: 0x000000000000000e (SONAME) Library soname: [<?>]
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