forked from OSchip/llvm-project
[llvm-readobj] - Add a test for --hash-table option.
We had no test for --hash-table in tools/llvm-readobj. The one we had was in test/Object and checked that it is possible to dump the hash table even when an object doesn't have a section header table. In this patch I created a test, moved and merged the existent one. During moving I converted it to be YAML based to stop using the precompiled binary. Differential revision: https://reviews.llvm.org/D73105
This commit is contained in:
Georgii Rymar
parent
d0a7cc7177
commit
a33427447d
llvm/test
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RUN: llvm-readobj %p/Inputs/no-section-table.so -hash-table -dynamic-table \
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RUN: | FileCheck %s
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CHECK: DynamicSection [ (24 entries)
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CHECK: Tag Type Name/Value
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CHECK: 0x0000000000000001 NEEDED Shared library: [libc.so.6]
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CHECK: 0x000000000000000C INIT 0x4B8
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CHECK: 0x000000000000000D FINI 0x618
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CHECK: 0x0000000000000019 INIT_ARRAY 0x2006C0
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CHECK: 0x000000000000001B INIT_ARRAYSZ 8 (bytes)
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CHECK: 0x000000000000001A FINI_ARRAY 0x2006C8
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CHECK: 0x000000000000001C FINI_ARRAYSZ 8 (bytes)
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CHECK: 0x0000000000000004 HASH 0x158
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CHECK: 0x0000000000000005 STRTAB 0x2D8
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CHECK: 0x0000000000000006 SYMTAB 0x1A0
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CHECK: 0x000000000000000A STRSZ 179 (bytes)
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CHECK: 0x000000000000000B SYMENT 24 (bytes)
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CHECK: 0x0000000000000003 PLTGOT 0x2008C0
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CHECK: 0x0000000000000002 PLTRELSZ 48 (bytes)
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CHECK: 0x0000000000000014 PLTREL RELA
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CHECK: 0x0000000000000017 JMPREL 0x488
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CHECK: 0x0000000000000007 RELA 0x3C8
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CHECK: 0x0000000000000008 RELASZ 192 (bytes)
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CHECK: 0x0000000000000009 RELAENT 24 (bytes)
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CHECK: 0x000000006FFFFFFE VERNEED 0x3A8
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CHECK: 0x000000006FFFFFFF VERNEEDNUM 1
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CHECK: 0x000000006FFFFFF0 VERSYM 0x38C
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CHECK: 0x000000006FFFFFF9 RELACOUNT 3
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CHECK: 0x0000000000000000 NULL 0x0
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CHECK: ]
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CHECK: HashTable {
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CHECK: Num Buckets: 3
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CHECK: Num Chains: 13
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CHECK: Buckets: [12, 10, 11]
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CHECK: Chains: [0, 0, 0, 0, 2, 3, 4, 0, 7, 5, 6, 8, 9]
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CHECK: }
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## Check how the SHT_HASH section is dumped with --hash-table.
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# RUN: yaml2obj --docnum=1 %s -o %t.x64
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# RUN: yaml2obj --docnum=2 %s -o %t.x32
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# RUN: llvm-readobj --hash-table %t.x64 | FileCheck %s --check-prefix=HASH
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# RUN: llvm-readelf --hash-table %t.x64 | FileCheck %s --check-prefix=HASH
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# RUN: llvm-readobj --hash-table %t.x32 | FileCheck %s --check-prefix=HASH
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# RUN: llvm-readelf --hash-table %t.x32 | FileCheck %s --check-prefix=HASH
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# HASH: HashTable {
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# HASH-NEXT: Num Buckets: 2
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# HASH-NEXT: Num Chains: 3
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# HASH-NEXT: Buckets: [1, 2]
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# HASH-NEXT: Chains: [3, 4, 5]
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# HASH-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_DYN
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Machine: EM_X86_64
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Sections:
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- Name: .hash
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Type: SHT_HASH
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Flags: [ SHF_ALLOC ]
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Bucket: [ 1, 2 ]
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Chain: [ 3, 4, 5 ]
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- Name: .dynamic
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Type: SHT_DYNAMIC
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Flags: [ SHF_ALLOC ]
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Entries:
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- Tag: DT_HASH
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Value: 0x0
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- Tag: DT_NULL
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Value: 0x0
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ProgramHeaders:
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- Type: PT_LOAD
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Sections:
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- Section: .hash
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- Section: .dynamic
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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_DYN
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Machine: EM_386
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Sections:
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- Name: .hash
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Type: SHT_HASH
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Flags: [ SHF_ALLOC ]
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Bucket: [ 1, 2 ]
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Chain: [ 3, 4, 5 ]
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- Name: .dynamic
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Type: SHT_DYNAMIC
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Flags: [ SHF_ALLOC ]
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Entries:
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- Tag: DT_HASH
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Value: 0x0
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- Tag: DT_NULL
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Value: 0x0
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ProgramHeaders:
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- Type: PT_LOAD
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Sections:
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- Section: .hash
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- Section: .dynamic
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## Check we can dump the SHT_HASH section even when an object
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## does not have the section header table.
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# RUN: yaml2obj --docnum=3 %s -o %t.noshdr
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# RUN: llvm-readobj --hash-table %t.noshdr | FileCheck %s --check-prefix=NOSHDR
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# RUN: llvm-readelf --hash-table %t.noshdr | FileCheck %s --check-prefix=NOSHDR
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# NOSHDR: HashTable {
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# NOSHDR-NEXT: Num Buckets: 1
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# NOSHDR-NEXT: Num Chains: 1
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# NOSHDR-NEXT: Buckets: [0]
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# NOSHDR-NEXT: Chains: [1]
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# NOSHDR-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_DYN
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Machine: EM_X86_64
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## We simulate no section header table by
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## overriding the ELF header properties.
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SHOff: 0x0
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SHNum: 0x0
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Sections:
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- Name: .hash
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Type: SHT_HASH
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Flags: [ SHF_ALLOC ]
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Bucket: [ 0 ]
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Chain: [ 1 ]
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- Name: .dynamic
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Type: SHT_DYNAMIC
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Flags: [ SHF_ALLOC ]
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Entries:
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- Tag: DT_HASH
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Value: 0x0
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- Tag: DT_NULL
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Value: 0x0
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ProgramHeaders:
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- Type: PT_LOAD
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Sections:
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- Section: .hash
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- Section: .dynamic
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- Type: PT_DYNAMIC
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VAddr: 0x1010
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Sections:
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- Section: .dynamic
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