128 lines
3.5 KiB
Plaintext
128 lines
3.5 KiB
Plaintext
# Check that LLD does not populate an executable file dynamic symbol table
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# by unnecessary symbols.
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# 1. bar.so defines T2
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# 2. foo.so defines T1 and references T2
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# 3. main.o reference T1
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# 4. a.out dynamic table should contain T1 entry only
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# RUN: yaml2obj -format=elf -docnum 1 %s > %t-bar.o
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# RUN: yaml2obj -format=elf -docnum 2 %s > %t-foo.o
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# RUN: yaml2obj -format=elf -docnum 3 %s > %t-main.o
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# RUN: lld -flavor gnu -target mipsel -shared -o %t-bar.so %t-bar.o
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# RUN: lld -flavor gnu -target mipsel -shared -o %t-foo.so %t-foo.o %t-bar.so
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# RUN: lld -flavor gnu -target mipsel -e T0 -o %t.exe \
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# RUN: %t-main.o %t-foo.so %t-bar.so
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# RUN: llvm-readobj -dt -dynamic-table %t.exe | FileCheck %s
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# CHECK: DynamicSymbols [
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# CHECK-NEXT: Symbol {
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# CHECK-NEXT: Name: @ (0)
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# CHECK-NEXT: Value: 0x0
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# CHECK-NEXT: Size: 0
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# CHECK-NEXT: Binding: Local (0x0)
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# CHECK-NEXT: Type: None (0x0)
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# CHECK-NEXT: Other: 0
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# CHECK-NEXT: Section: Undefined (0x0)
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# CHECK-NEXT: }
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# CHECK-NEXT: Symbol {
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# CHECK-NEXT: Name: T1@ ({{.*}})
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# CHECK-NEXT: Value: {{.*}}
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# CHECK-NEXT: Size: 0
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# CHECK-NEXT: Binding: Global (0x1)
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# CHECK-NEXT: Type: Function (0x2)
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# CHECK-NEXT: Other: 8
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# CHECK-NEXT: Section: Undefined (0x0)
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# CHECK-NEXT: }
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# CHECK-NEXT: ]
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# CHECK: 0x00000003 PLTGOT 0x401000
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# CHECK-NEXT: 0x00000001 NEEDED SharedLibrary (dynsym-table-1.test.tmp-foo.so)
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# CHECK-NEXT: 0x00000000 NULL 0x0
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# bar.o
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---
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FileHeader:
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Class: ELFCLASS32
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Data: ELFDATA2LSB
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Type: ET_REL
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Machine: EM_MIPS
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Flags: [EF_MIPS_PIC, EF_MIPS_ABI_O32, EF_MIPS_ARCH_32]
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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, SHF_EXECINSTR ]
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AddressAlign: 0x04
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Size: 0x08
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Symbols:
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Global:
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- Name: T2
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Type: STT_FUNC
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Section: .text
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Size: 0x08
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# foo.o
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---
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FileHeader:
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Class: ELFCLASS32
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Data: ELFDATA2LSB
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Type: ET_REL
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Machine: EM_MIPS
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Flags: [EF_MIPS_PIC, EF_MIPS_ABI_O32, EF_MIPS_ARCH_32]
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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, SHF_EXECINSTR ]
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AddressAlign: 0x04
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Size: 0x08
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- Name: .rel.text
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Type: SHT_REL
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Link: .symtab
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AddressAlign: 0x08
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Info: .text
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Relocations:
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- Offset: 0
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Symbol: T2
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Type: R_MIPS_CALL16
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Symbols:
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Global:
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- Name: T1
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Type: STT_FUNC
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Section: .text
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Size: 0x08
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- Name: T2
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# main.o
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---
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FileHeader:
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Class: ELFCLASS32
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Data: ELFDATA2LSB
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Type: ET_REL
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Machine: EM_MIPS
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Flags: [EF_MIPS_CPIC, EF_MIPS_ABI_O32, EF_MIPS_ARCH_32]
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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, SHF_EXECINSTR ]
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AddressAlign: 0x04
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Size: 0x08
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- Name: .rel.text
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Type: SHT_REL
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Link: .symtab
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AddressAlign: 0x08
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Info: .text
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Relocations:
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- Offset: 0
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Symbol: T1
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Type: R_MIPS_32
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Symbols:
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Global:
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- Name: T0
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Type: STT_FUNC
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Section: .text
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Size: 0x08
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- Name: T1
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...
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