164 lines
5.0 KiB
Plaintext
164 lines
5.0 KiB
Plaintext
|
## 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]]': SHT_DYNAMIC section with index 2 is not at the start of PT_DYNAMIC segment
|
||
|
|
# WARNING: warning: '[[FILE]]': invalid PT_DYNAMIC size (0x21){{$}}
|
||
|
|
# 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
|
||
|
|
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
|
||
|
|
FirstSec: .text
|
||
|
|
LastSec: .dynamic
|
||
|
|
- Type: PT_DYNAMIC
|
||
|
|
VAddr: 0x1000
|
||
|
|
FirstSec: .text
|
||
|
|
LastSec: .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
|
||
|
|
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
|
||
|
|
FirstSec: .dynamic
|
||
|
|
LastSec: .text
|
||
|
|
- Type: PT_DYNAMIC
|
||
|
|
VAddr: 0x1000
|
||
|
|
FirstSec: .dynamic
|
||
|
|
LastSec: .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 PT_DYNAMIC size (0x101){{$}}
|
||
|
|
# 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
|
||
|
|
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
|
||
|
|
FirstSec: .dynamic
|
||
|
|
LastSec: .text
|
||
|
|
- Type: PT_DYNAMIC
|
||
|
|
VAddr: 0x1000
|
||
|
|
FirstSec: .dynamic
|
||
|
|
LastSec: .text
|