forked from OSchip/llvm-project
[obj2yaml] - SHT_REL*, SHT_DYNAMIC sections: add tests to document the behavior when sh_entsize is broken.
We do not have tests that shows the current behavior. It is needed for D76227 which changes the logic of dumping of `EntSize` fields. Differential revision: https://reviews.llvm.org/D76282
This commit is contained in:
Georgii Rymar
parent
accf06feb1
commit
9c69cc109b
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@ -1,10 +1,10 @@
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# RUN: yaml2obj %s -o %t
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# RUN: obj2yaml %t | FileCheck %s
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## Check we can use obj2yaml to yamalize the object containing
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## .dynamic section. Check that resulting section has the
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## proper attributes and dynamic tags.
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# RUN: yaml2obj -DENTSIZE=0x10 %s -o %t1
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# RUN: obj2yaml %t1 | FileCheck %s
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# CHECK: Sections:
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# CHECK-NEXT: - Name: .dynamic
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# CHECK-NEXT: Type: SHT_DYNAMIC
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@ -136,7 +136,7 @@ Sections:
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Type: SHT_DYNAMIC
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Address: 0x0000000000001000
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AddressAlign: 0x0000000000002000
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EntSize: 0x0000000000000010
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EntSize: [[ENTSIZE]]
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Entries:
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- Tag: DT_NULL
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Value: 0x0000000000000000
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@ -250,3 +250,11 @@ Sections:
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Value: 0x0000000000000036
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- Tag: DT_USED
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Value: 0x0000000000000001
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## Test the behavior when sh_entsize is invalid.
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## Here we use 0xFE as an arbitrary broken value instead of expected 0x16.
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# RUN: yaml2obj -DENTSIZE=0xff %s -o %t2
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# RUN: not obj2yaml %t2 2>&1 | FileCheck %s --check-prefix=ENTSIZE
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# ENTSIZE: section [index 1] has an invalid sh_entsize: 255
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@ -29,3 +29,24 @@ Sections:
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Type: SHT_REL
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## Trigger the .dynsym emission.
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DynamicSymbols: []
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## Test the behavior when the sh_entsize field is broken.
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## Here we use the 0xFE value instead of expected 0x18/0x10.
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# RUN: yaml2obj -DTYPE=SHT_RELA --docnum=2 %s -o %t2.rela
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# RUN: not obj2yaml %t2.rela 2>&1 | FileCheck %s --check-prefix=ERR
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# RUN: yaml2obj -DTYPE=SHT_REL --docnum=2 %s -o %t2.rel
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# RUN: not obj2yaml %t2.rel 2>&1 | FileCheck %s --check-prefix=ERR
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# ERR: section [index 1] has an invalid sh_entsize: 254
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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: .foo
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Type: [[TYPE]]
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EntSize: 0xFE
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@ -1,69 +1,93 @@
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## Test how we dump SHT_RELR sections for 32 and 64-bit targets.
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## Test we use the "Entries" property when it is possible do
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## dump values correctly.
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# RUN: yaml2obj --docnum=1 -D BITS=32 -D ENCODE=LSB %s -o %t.32le
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# RUN: obj2yaml %t.32le | FileCheck %s --check-prefix=ELF32LE
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# RUN: yaml2obj --docnum=1 -D BITS=32 -D ENCODE=MSB %s -o %t.32be
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# RUN: obj2yaml %t.32be | FileCheck %s --check-prefix=ELF32BE
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# RUN: yaml2obj --docnum=1 -D BITS=64 -D ENCODE=LSB %s -o %t.64le
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# RUN: obj2yaml %t.64le | FileCheck %s --check-prefix=ELF64LE
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# RUN: yaml2obj --docnum=1 -D BITS=64 -D ENCODE=MSB %s -o %t.64be
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# RUN: obj2yaml %t.64be | FileCheck %s --check-prefix=ELF64BE
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# ELF64LE: Sections:
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# ELF64LE-NEXT: - Name: .relr.dyn
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# ELF64LE-NEXT: Type: SHT_RELR
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# ELF64LE-NEXT: EntSize: 0x0000000000000008
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# ELF64LE-NEXT: Entries: [ 0x8877665544332211 ]
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# ELF32LE: Sections:
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# ELF32LE-NEXT: - Name: .relr.dyn
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# ELF32LE-NEXT: Type: SHT_RELR
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# ELF32LE-NEXT: EntSize: 0x0000000000000004
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# ELF32LE-NEXT: Entries: [ 0x0000000044332211, 0x0000000088776655 ]
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# ELF64BE: Sections:
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# ELF64BE-NEXT: - Name: .relr.dyn
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# ELF64BE-NEXT: Type: SHT_RELR
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# ELF64BE-NEXT: EntSize: 0x0000000000000008
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# ELF64BE-NEXT: Entries: [ 0x1122334455667788 ]
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# ELF32BE: Sections:
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# ELF32BE-NEXT: - Name: .relr.dyn
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# ELF32BE-NEXT: Type: SHT_RELR
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# ELF32BE-NEXT: EntSize: 0x0000000000000004
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# ELF32BE-NEXT: Entries: [ 0x0000000011223344, 0x0000000055667788 ]
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--- !ELF
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FileHeader:
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Class: ELFCLASS[[BITS]]
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Data: ELFDATA2[[ENCODE]]
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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: .relr.dyn
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Type: SHT_RELR
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Content: "1122334455667788"
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## Test we use the "Content" property when a SHT_RELR section is truncated.
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# RUN: yaml2obj --docnum=2 %s -o %t.content
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# RUN: obj2yaml %t.content | FileCheck %s --check-prefix=CONTENT
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# CONTENT: - Name: .relr.dyn
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# CONTENT-NEXT: Type: SHT_RELR
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# CONTENT-NEXT: EntSize: 0x0000000000000008
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# CONTENT-NEXT: Content: '11223344556677'
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2MSB
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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: .relr.dyn
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Type: SHT_RELR
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Content: "11223344556677"
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## Test how we dump SHT_RELR sections for 32 and 64-bit targets.
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## Test we use the "Entries" property when it is possible do
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## dump values correctly.
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# RUN: yaml2obj --docnum=1 -D BITS=32 -D ENCODE=LSB %s -o %t.32le
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# RUN: obj2yaml %t.32le | FileCheck %s --check-prefix=ELF32LE
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# RUN: yaml2obj --docnum=1 -D BITS=32 -D ENCODE=MSB %s -o %t.32be
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# RUN: obj2yaml %t.32be | FileCheck %s --check-prefix=ELF32BE
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# RUN: yaml2obj --docnum=1 -D BITS=64 -D ENCODE=LSB %s -o %t.64le
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# RUN: obj2yaml %t.64le | FileCheck %s --check-prefix=ELF64LE
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# RUN: yaml2obj --docnum=1 -D BITS=64 -D ENCODE=MSB %s -o %t.64be
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# RUN: obj2yaml %t.64be | FileCheck %s --check-prefix=ELF64BE
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# ELF64LE: Sections:
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# ELF64LE-NEXT: - Name: .relr.dyn
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# ELF64LE-NEXT: Type: SHT_RELR
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# ELF64LE-NEXT: EntSize: 0x0000000000000008
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# ELF64LE-NEXT: Entries: [ 0x8877665544332211 ]
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# ELF32LE: Sections:
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# ELF32LE-NEXT: - Name: .relr.dyn
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# ELF32LE-NEXT: Type: SHT_RELR
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# ELF32LE-NEXT: EntSize: 0x0000000000000004
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# ELF32LE-NEXT: Entries: [ 0x0000000044332211, 0x0000000088776655 ]
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# ELF64BE: Sections:
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# ELF64BE-NEXT: - Name: .relr.dyn
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# ELF64BE-NEXT: Type: SHT_RELR
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# ELF64BE-NEXT: EntSize: 0x0000000000000008
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# ELF64BE-NEXT: Entries: [ 0x1122334455667788 ]
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# ELF32BE: Sections:
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# ELF32BE-NEXT: - Name: .relr.dyn
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# ELF32BE-NEXT: Type: SHT_RELR
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# ELF32BE-NEXT: EntSize: 0x0000000000000004
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# ELF32BE-NEXT: Entries: [ 0x0000000011223344, 0x0000000055667788 ]
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--- !ELF
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FileHeader:
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Class: ELFCLASS[[BITS]]
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Data: ELFDATA2[[ENCODE]]
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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: .relr.dyn
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Type: SHT_RELR
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Content: "1122334455667788"
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## Test we use the "Content" property when a SHT_RELR section is truncated.
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# RUN: yaml2obj --docnum=2 %s -o %t.content
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# RUN: obj2yaml %t.content | FileCheck %s --check-prefix=CONTENT
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# CONTENT: - Name: .relr.dyn
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# CONTENT-NEXT: Type: SHT_RELR
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# CONTENT-NEXT: EntSize: 0x0000000000000008
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# CONTENT-NEXT: Content: '11223344556677'
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2MSB
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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: .relr.dyn
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Type: SHT_RELR
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Content: "11223344556677"
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## Test we are able to dump a SHT_RELR section when sh_entsize is invalid.
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## Here we use 0xFE as a value instead of expected 0x8.
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# RUN: yaml2obj --docnum=3 %s -o %t.entsize
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# RUN: obj2yaml %t.entsize | FileCheck %s --check-prefix=ENTSIZE
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# ENTSIZE: - Name: .relr.dyn
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# ENTSIZE-NEXT: Type: SHT_RELR
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# ENTSIZE-NEXT: EntSize: 0x00000000000000FE
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# ENTSIZE-NEXT: Content: '1122334455667788'
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# ENTSIZE-NEXT: ...
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2MSB
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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: .relr.dyn
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Type: SHT_RELR
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EntSize: 0xFE
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Content: "1122334455667788"
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