## Check how yaml2obj produces SHT_GNU_HASH sections.
## Check we can describe a SHT_GNU_HASH section using the "Content" tag.
## Check we set sh_link to index of the .dynsym by default.
# RUN: yaml2obj --docnum=1 %s -o %t1
# RUN: llvm-readobj --sections --section-data %t1 | FileCheck %s --check-prefix=CONTENT
# CONTENT: Name: .gnu.hash
# CONTENT-NEXT: Type: SHT_GNU_HASH
# CONTENT-NEXT: Flags [
# CONTENT-NEXT: ]
# CONTENT-NEXT: Address: 0x0
# CONTENT-NEXT: Offset: 0x40
# CONTENT-NEXT: Size: 3
# CONTENT-NEXT: Link: 2
# CONTENT-NEXT: Info: 0
# CONTENT-NEXT: AddressAlignment: 0
# CONTENT-NEXT: EntrySize: 0
# CONTENT-NEXT: SectionData (
# CONTENT-NEXT: 0000: 001122 |
# CONTENT-NEXT: )
# CONTENT: Index: 2
# CONTENT-NEXT: Name: .dynsym (9)
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.hash
Type: SHT_GNU_HASH
Content: "001122"
## Used to trigger .dynsym creation.
DynamicSymbols: []
## Check we can use "Header", "BloomFilter", "HashBuckets" and "HashValues" keys to describe
## the hash section. Check we can set sh_link to any arbitrary value. Check both ELFCLASS32 and 64 bit output.
# RUN: yaml2obj --docnum=2 %s -o %t2
# RUN: yaml2obj --docnum=3 %s -o %t3
# RUN: llvm-readobj --sections --section-data %t2 | FileCheck %s --check-prefix=CONTENT32
# RUN: llvm-readobj --sections --section-data %t3 | FileCheck %s --check-prefix=CONTENT64
# CONTENT32: Name: .gnu.hash
# CONTENT32-NEXT: Type: SHT_GNU_HASH
# CONTENT32-NEXT: Flags [
# CONTENT32-NEXT: SHF_ALLOC
# CONTENT32-NEXT: ]
# CONTENT32-NEXT: Address: 0x0
# CONTENT32-NEXT: Offset: 0x34
# CONTENT32-NEXT: Size: 52
# CONTENT32-NEXT: Link: 254
# CONTENT32-NEXT: Info: 0
# CONTENT32-NEXT: AddressAlignment: 0
# CONTENT32-NEXT: EntrySize: 0
# CONTENT32-NEXT: SectionData (
# CONTENT32-NEXT: 0000: 03000000 01000000 02000000 02000000 |
# CONTENT32-NEXT: 0010: 03000000 04000000 05000000 06000000 |
# CONTENT32-NEXT: 0020: 07000000 08000000 09000000 0A000000 |
# CONTENT32-NEXT: 0030: 0B000000 |
# CONTENT32-NEXT: )
# CONTENT64: Name: .gnu.hash
# CONTENT64-NEXT: Type: SHT_GNU_HASH
# CONTENT64-NEXT: Flags [
# CONTENT64-NEXT: SHF_ALLOC
# CONTENT64-NEXT: ]
# CONTENT64-NEXT: Address: 0x0
# CONTENT64-NEXT: Offset: 0x40
# CONTENT64-NEXT: Size: 60
# CONTENT64-NEXT: Link: 254
# CONTENT64-NEXT: Info: 0
# CONTENT64-NEXT: AddressAlignment: 0
# CONTENT64-NEXT: EntrySize: 0
# CONTENT64-NEXT: SectionData (
# CONTENT64-NEXT: 0000: 03000000 01000000 02000000 02000000 |
# CONTENT64-NEXT: 0010: 03000000 00000000 04000000 00000000 |
# CONTENT64-NEXT: 0020: 05000000 06000000 07000000 08000000 |
# CONTENT64-NEXT: 0030: 09000000 0A000000 0B000000 |
# CONTENT64-NEXT: )
--- !ELF
FileHeader:
Class: ELFCLASS32
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.hash
Type: SHT_GNU_HASH
Flags: [ SHF_ALLOC ]
Header:
SymNdx: 0x1
Shift2: 0x2
BloomFilter: [0x3, 0x4]
HashBuckets: [0x5, 0x6, 0x7]
HashValues: [0x8, 0x9, 0xA, 0xB]
Link: 0xFE
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.hash
Type: SHT_GNU_HASH
Flags: [ SHF_ALLOC ]
Header:
SymNdx: 0x1
Shift2: 0x2
BloomFilter: [0x3, 0x4]
HashBuckets: [0x5, 0x6, 0x7]
HashValues: [0x8, 0x9, 0xA, 0xB]
Link: 0xFE
## Check we only can use "Header", "BloomFilter", "HashBuckets" and "HashValues" together.
# RUN: not yaml2obj --docnum=4 %s -o %t4 2>&1 | FileCheck %s --check-prefix=ERR
# RUN: not yaml2obj --docnum=5 %s -o %t5 2>&1 | FileCheck %s --check-prefix=ERR
# RUN: not yaml2obj --docnum=6 %s -o %t6 2>&1 | FileCheck %s --check-prefix=ERR
# RUN: not yaml2obj --docnum=7 %s -o %t7 2>&1 | FileCheck %s --check-prefix=ERR
# ERR: error: "Header", "BloomFilter", "HashBuckets" and "HashValues" must be used together
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.hash.no.header
Type: SHT_GNU_HASH
BloomFilter: []
HashBuckets: []
HashValues: []
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.hash.no.bloomfilter
Type: SHT_GNU_HASH
Header:
SymNdx: 0x0
Shift2: 0x0
HashBuckets: []
HashValues: []
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.hash.no.nobuckets
Type: SHT_GNU_HASH
Header:
SymNdx: 0x0
Shift2: 0x0
BloomFilter: []
HashValues: []
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.hash.no.novalues
Type: SHT_GNU_HASH
Header:
SymNdx: 0x0
Shift2: 0x0
BloomFilter: []
HashBuckets: []
## Check that "SymNdx" and "Shift2" fields are mandatory when we specify the "Header".
# RUN: not yaml2obj --docnum=8 %s -o %t8 2>&1 | FileCheck %s --check-prefix=ERR2
# ERR2: error: missing required key 'SymNdx'
# RUN: not yaml2obj --docnum=9 %s -o %t9 2>&1 | FileCheck %s --check-prefix=ERR3
# ERR3: error: missing required key 'Shift2'
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.hash
Type: SHT_GNU_HASH
Header:
Shift2: 0x0
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.hash
Type: SHT_GNU_HASH
Header:
SymNdx: 0x0
## Check we emit an empty section if neither "Content", "Header",
## "BloomFilter", "HashBuckets" nor "HashBuckets" were set.
# NOKEYS: Section Headers:
# NOKEYS: [Nr] Name Type Address Off Size
# NOKEYS: [ 1] .gnu.hash GNU_HASH 0000000000000000 000040 000000
# RUN: yaml2obj --docnum=10 %s -o %t10
# RUN: llvm-readelf --sections %t10 | FileCheck %s --check-prefix=NOKEYS
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.hash
Type: SHT_GNU_HASH
## Test that "Header", "BloomFilter", "HashBuckets" and "HashValues" can't be used together with the "Content" or "Size"
# RUN: not yaml2obj --docnum=11 -DCONTENT="" %s 2>&1 | FileCheck %s --check-prefix=TOGETHER
# RUN: not yaml2obj --docnum=11 -DSIZE=0 %s 2>&1 | FileCheck %s --check-prefix=TOGETHER
# TOGETHER: error: "Header", "BloomFilter", "HashBuckets" and "HashValues" cannot be used with "Content" or "Size"
--- !ELF
FileHeader:
Class: ELFCLASS32
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.hash
Type: SHT_GNU_HASH
Content: [[CONTENT=<none>]]
Size: [[SIZE=<none>]]
Header:
SymNdx: 0x0
Shift2: 0x0
BloomFilter: []
HashBuckets: []
HashValues: []
## Test we can override the number of buckets and the number of words in the Bloom filter
## using the "NBuckets" and "Shift2" keys.
# RUN: yaml2obj --docnum=12 %s -o %t12
# RUN: llvm-readobj --sections --section-data %t12 | FileCheck %s --check-prefix=OVERRIDE-CONTENT
# OVERRIDE-CONTENT: Name: .gnu.hash
# OVERRIDE-CONTENT: SectionData (
# OVERRIDE-CONTENT-NEXT: 0000: 01000000 02000000 03000000 04000000 |
# OVERRIDE-CONTENT-NEXT: )
--- !ELF
FileHeader:
Class: ELFCLASS32
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.hash
Type: SHT_GNU_HASH
Header:
NBuckets: 0x1
SymNdx: 0x2
MaskWords: 0x3
Shift2: 0x4
BloomFilter: []
HashBuckets: []
HashValues: []
## Check we can use the "Content" key with the "Size" key when the size is greater
## than or equal to the content size.
# RUN: not yaml2obj --docnum=13 -DSIZE=1 -DCONTENT="'0011'" %s 2>&1 | \
# RUN: FileCheck %s --check-prefix=CONTENT-SIZE-ERR
# CONTENT-SIZE-ERR: error: Section size must be greater than or equal to the content size
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.hash
Type: SHT_GNU_HASH
Size: [[SIZE=<none>]]
Content: [[CONTENT=<none>]]
# RUN: yaml2obj --docnum=13 -DSIZE=2 -DCONTENT="'0011'" %s -o %t.cont.size.eq.o
# RUN: llvm-readobj --sections --section-data %t.cont.size.eq.o | \
# RUN: FileCheck %s --check-prefix=CHECK-CONTENT -DDATA="0011"
# RUN: yaml2obj --docnum=13 -DSIZE=3 -DCONTENT="'0011'" %s -o %t.cont.size.gr.o
# RUN: llvm-readobj --sections --section-data %t.cont.size.gr.o | \
# RUN: FileCheck %s --check-prefix=CHECK-CONTENT -DDATA="001100"
# CHECK-CONTENT: Name: .gnu.hash
# CHECK-CONTENT: SectionData (
# CHECK-CONTENT-NEXT: 0000: [[DATA]] |
# CHECK-CONTENT-NEXT: )
## Check we can use the "Size" key alone to create the section.
# RUN: yaml2obj --docnum=13 -DSIZE=3 %s -o %t.size.o
# RUN: llvm-readobj --sections --section-data %t.size.o | \
# RUN: FileCheck %s --check-prefix=CHECK-CONTENT -DDATA="000000"
## Check we can use the "Content" key alone to create the section.
# RUN: yaml2obj --docnum=13 -DCONTENT="'112233'" %s -o %t.content.o
# RUN: llvm-readobj --sections --section-data %t.content.o | \
# RUN: FileCheck %s --check-prefix=CHECK-CONTENT -DDATA="112233"
Codebase Browser
llvm