forked from OSchip/llvm-project
173 lines
5.1 KiB
Plaintext
173 lines
5.1 KiB
Plaintext
## Show that llvm-readobj/llvm-readelf tools can dump the .dynamic section which
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## is not alone in PT_DYNAMIC segment.
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## In the first case .text is placed before .dynamic.
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## We check that we warn about this case.
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# RUN: yaml2obj --docnum=1 %s -o %t1.o
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# RUN: llvm-readobj --dynamic-table %t1.o 2>&1 \
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# RUN: | FileCheck %s --DFILE=%t1.o --check-prefixes=WARNING,LLVM
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# RUN: llvm-readelf --dynamic-table %t1.o 2>&1 \
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# RUN: | FileCheck %s --DFILE=%t1.o --check-prefixes=WARNING,GNU
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# WARNING: warning: '[[FILE]]': The SHT_DYNAMIC section '.dynamic' is not at the start of PT_DYNAMIC segment
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# WARNING: warning: '[[FILE]]': invalid PT_DYNAMIC size (0x21){{$}}
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# WARNING: warning: '[[FILE]]': SHT_DYNAMIC section header and PT_DYNAMIC program header disagree about the location of the dynamic table
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# WARNING: warning: '[[FILE]]': PT_DYNAMIC dynamic table is invalid: SHT_DYNAMIC will be used
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# LLVM: DynamicSection [ (2 entries)
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# LLVM-NEXT: Tag Type Name/Value
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# LLVM-NEXT: 0x0000000000000018 BIND_NOW 0x1
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# LLVM-NEXT: 0x0000000000000000 NULL 0x0
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# LLVM-NEXT: ]
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# GNU: Dynamic section at offset 0x{{.*}} contains 2 entries:
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# GNU-NEXT: Tag Type Name/Value
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# GNU-NEXT: 0x0000000000000018 (BIND_NOW) 0x1
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# GNU-NEXT: 0x0000000000000000 (NULL) 0x0
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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_EXEC
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Machine: EM_X86_64
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Sections:
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- Name: .text
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Type: SHT_PROGBITS
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Flags: [SHF_ALLOC]
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Address: 0x1000
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AddressAlign: 0x100
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Content: "00"
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- Name: .dynamic
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Type: SHT_DYNAMIC
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Flags: [SHF_ALLOC]
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Address: 0x1001
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Entries:
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- Tag: DT_BIND_NOW
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Value: 0x1
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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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VAddr: 0x1000
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Sections:
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- Section: .text
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- Section: .dynamic
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- Type: PT_DYNAMIC
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VAddr: 0x1000
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Sections:
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- Section: .text
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- Section: .dynamic
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## In this case .text goes after .dynamic and we don't display any warnings,
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## though the content of the .text is used for dumping the dynamic table.
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# RUN: yaml2obj --docnum=2 %s -o %t2.o
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# RUN: llvm-readobj --dynamic-table %t2.o 2>&1 | FileCheck %s --check-prefix=LLVM2
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# RUN: llvm-readelf --dynamic-table %t2.o 2>&1 | FileCheck %s --check-prefix=GNU2
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# LLVM2: DynamicSection [ (3 entries)
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# LLVM2-NEXT: Tag Type Name/Value
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# LLVM2-NEXT: 0x0000000000000018 BIND_NOW 0x1
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# LLVM2-NEXT: 0x0000000000000018 BIND_NOW 0x2
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# LLVM2-NEXT: 0x0000000000000000 NULL 0x0
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# LLVM2-NEXT: ]
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# GNU2: Dynamic section at offset 0x{{.*}} contains 3 entries:
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# GNU2-NEXT: Tag Type Name/Value
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# GNU2-NEXT: 0x0000000000000018 (BIND_NOW) 0x1
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# GNU2-NEXT: 0x0000000000000018 (BIND_NOW) 0x2
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# GNU2-NEXT: 0x0000000000000000 (NULL) 0x0
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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_EXEC
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Machine: EM_X86_64
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Sections:
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- Name: .dynamic
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Type: SHT_DYNAMIC
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Flags: [SHF_ALLOC]
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Address: 0x1000
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AddressAlign: 0x1000
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Entries:
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- Tag: DT_BIND_NOW
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Value: 0x1
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- Tag: DT_BIND_NOW
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Value: 0x2
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- Name: .text
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Type: SHT_PROGBITS
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Flags: [SHF_ALLOC]
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Address: 0x1100
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AddressAlign: 0x100
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Content: "00000000000000000000000000000000"
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ProgramHeaders:
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- Type: PT_LOAD
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VAddr: 0x1000
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Sections:
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- Section: .dynamic
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- Section: .text
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- Type: PT_DYNAMIC
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VAddr: 0x1000
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Sections:
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- Section: .dynamic
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- Section: .text
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## In this case .text goes after .dynamic, but (PT_DYNAMIC segment size % dynamic entry size != 0)
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## and we have to use the information from the section header instead.
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# RUN: yaml2obj --docnum=3 %s -o %t3.o
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# RUN: llvm-readobj --dynamic-table %t3.o 2>&1 | FileCheck %s --DFILE=%t3.o --check-prefixes=WARNING2,LLVM3
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# RUN: llvm-readelf --dynamic-table %t3.o 2>&1 | FileCheck %s --DFILE=%t3.o --check-prefixes=WARNING2,GNU3
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# WARNING2: warning: '[[FILE]]': invalid PT_DYNAMIC size (0x101){{$}}
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# WARNING2: warning: '[[FILE]]': PT_DYNAMIC dynamic table is invalid: SHT_DYNAMIC will be used
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# LLVM3: DynamicSection [ (2 entries)
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# LLVM3-NEXT: Tag Type Name/Value
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# LLVM3-NEXT: 0x0000000000000018 BIND_NOW 0x1
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# LLVM3-NEXT: 0x0000000000000000 NULL 0x0
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# LLVM3-NEXT: ]
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# GNU3: Dynamic section at offset 0x{{.*}} contains 2 entries:
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# GNU3-NEXT: Tag Type Name/Value
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# GNU3-NEXT: 0x0000000000000018 (BIND_NOW) 0x1
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# GNU3-NEXT: 0x0000000000000000 (NULL) 0x0
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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_EXEC
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Machine: EM_X86_64
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Sections:
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- Name: .dynamic
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Type: SHT_DYNAMIC
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Flags: [SHF_ALLOC]
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Address: 0x1000
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AddressAlign: 0x1000
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Entries:
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- Tag: DT_BIND_NOW
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Value: 0x1
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- Tag: DT_NULL
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Value: 0x0
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- Name: .text
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Type: SHT_PROGBITS
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Flags: [SHF_ALLOC]
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Address: 0x1100
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AddressAlign: 0x100
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Content: "00"
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ProgramHeaders:
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- Type: PT_LOAD
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VAddr: 0x1000
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Sections:
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- Section: .dynamic
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- Section: .text
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- Type: PT_DYNAMIC
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VAddr: 0x1000
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Sections:
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- Section: .dynamic
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- Section: .text
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