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## Show that llvm-readobj/llvm-readelf tools can dump the .dynamic section which
## is not alone in PT_DYNAMIC segment.
## In the first case .text is placed before .dynamic.
## We check that we warn about this case.
# RUN: yaml2obj --docnum=1 %s -o %t1.o
# RUN: llvm-readobj --dynamic-table %t1.o 2>&1 \
# RUN: | FileCheck %s --DFILE=%t1.o --check-prefixes=WARNING,LLVM
# RUN: llvm-readelf --dynamic-table %t1.o 2>&1 \
# RUN: | FileCheck %s --DFILE=%t1.o --check-prefixes=WARNING,GNU
# WARNING: warning: '[[FILE]]': The SHT_DYNAMIC section '.dynamic' is not at the start of PT_DYNAMIC segment
# WARNING: warning: '[[FILE]]': invalid section size (33) or entity size (16)
# WARNING: warning: '[[FILE]]': SHT_DYNAMIC section header and PT_DYNAMIC program header disagree about the location of the dynamic table
# WARNING: warning: '[[FILE]]': PT_DYNAMIC dynamic table is invalid: SHT_DYNAMIC will be used
# LLVM: DynamicSection [ (2 entries)
# LLVM-NEXT: Tag Type Name/Value
# LLVM-NEXT: 0x0000000000000018 BIND_NOW 0x1
# LLVM-NEXT: 0x0000000000000000 NULL 0x0
# LLVM-NEXT: ]
# GNU: Dynamic section at offset 0x{{.*}} contains 2 entries:
# GNU-NEXT: Tag Type Name/Value
# GNU-NEXT: 0x0000000000000018 (BIND_NOW) 0x1
# GNU-NEXT: 0x0000000000000000 (NULL) 0x0
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_EXEC
Machine: EM_X86_64
Sections:
- Name: .text
Type: SHT_PROGBITS
Flags: [SHF_ALLOC]
Address: 0x1000
AddressAlign: 0x100
Content: "00"
- Name: .dynamic
Type: SHT_DYNAMIC
Flags: [SHF_ALLOC]
Address: 0x1001
Entries:
- Tag: DT_BIND_NOW
Value: 0x1
- Tag: DT_NULL
Value: 0x0
ProgramHeaders:
- Type: PT_LOAD
VAddr: 0x1000
Sections:
- Section: .text
- Section: .dynamic
- Type: PT_DYNAMIC
VAddr: 0x1000
Sections:
- Section: .text
- Section: .dynamic
## In this case .text goes after .dynamic and we don't display any warnings,
## though the content of the .text is used for dumping the dynamic table.
# RUN: yaml2obj --docnum=2 %s -o %t2.o
# RUN: llvm-readobj --dynamic-table %t2.o 2>&1 | FileCheck %s --check-prefix=LLVM2
# RUN: llvm-readelf --dynamic-table %t2.o 2>&1 | FileCheck %s --check-prefix=GNU2
# LLVM2: DynamicSection [ (3 entries)
# LLVM2-NEXT: Tag Type Name/Value
# LLVM2-NEXT: 0x0000000000000018 BIND_NOW 0x1
# LLVM2-NEXT: 0x0000000000000018 BIND_NOW 0x2
# LLVM2-NEXT: 0x0000000000000000 NULL 0x0
# LLVM2-NEXT: ]
# GNU2: Dynamic section at offset 0x{{.*}} contains 3 entries:
# GNU2-NEXT: Tag Type Name/Value
# GNU2-NEXT: 0x0000000000000018 (BIND_NOW) 0x1
# GNU2-NEXT: 0x0000000000000018 (BIND_NOW) 0x2
# GNU2-NEXT: 0x0000000000000000 (NULL) 0x0
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_EXEC
Machine: EM_X86_64
Sections:
- Name: .dynamic
Type: SHT_DYNAMIC
Flags: [SHF_ALLOC]
Address: 0x1000
AddressAlign: 0x1000
Entries:
- Tag: DT_BIND_NOW
Value: 0x1
- Tag: DT_BIND_NOW
Value: 0x2
- Name: .text
Type: SHT_PROGBITS
Flags: [SHF_ALLOC]
Address: 0x1100
AddressAlign: 0x100
Content: "00000000000000000000000000000000"
ProgramHeaders:
- Type: PT_LOAD
VAddr: 0x1000
Sections:
- Section: .dynamic
- Section: .text
- Type: PT_DYNAMIC
VAddr: 0x1000
Sections:
- Section: .dynamic
- Section: .text
## In this case .text goes after .dynamic, but (PT_DYNAMIC segment size % dynamic entry size != 0)
## and we have to use the information from the section header instead.
# RUN: yaml2obj --docnum=3 %s -o %t3.o
# RUN: llvm-readobj --dynamic-table %t3.o 2>&1 | FileCheck %s --DFILE=%t3.o --check-prefixes=WARNING2,LLVM3
# RUN: llvm-readelf --dynamic-table %t3.o 2>&1 | FileCheck %s --DFILE=%t3.o --check-prefixes=WARNING2,GNU3
# WARNING2: warning: '[[FILE]]': invalid section size (257) or entity size (16)
# WARNING2: warning: '[[FILE]]': PT_DYNAMIC dynamic table is invalid: SHT_DYNAMIC will be used
# LLVM3: DynamicSection [ (2 entries)
# LLVM3-NEXT: Tag Type Name/Value
# LLVM3-NEXT: 0x0000000000000018 BIND_NOW 0x1
# LLVM3-NEXT: 0x0000000000000000 NULL 0x0
# LLVM3-NEXT: ]
# GNU3: Dynamic section at offset 0x{{.*}} contains 2 entries:
# GNU3-NEXT: Tag Type Name/Value
# GNU3-NEXT: 0x0000000000000018 (BIND_NOW) 0x1
# GNU3-NEXT: 0x0000000000000000 (NULL) 0x0
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_EXEC
Machine: EM_X86_64
Sections:
- Name: .dynamic
Type: SHT_DYNAMIC
Flags: [SHF_ALLOC]
Address: 0x1000
AddressAlign: 0x1000
Entries:
- Tag: DT_BIND_NOW
Value: 0x1
- Tag: DT_NULL
Value: 0x0
- Name: .text
Type: SHT_PROGBITS
Flags: [SHF_ALLOC]
Address: 0x1100
AddressAlign: 0x100
Content: "00"
ProgramHeaders:
- Type: PT_LOAD
VAddr: 0x1000
Sections:
- Section: .dynamic
- Section: .text
- Type: PT_DYNAMIC
VAddr: 0x1000
Sections:
- Section: .dynamic
- Section: .text
|
