test/old-elf/Mips/dynsym-table-1.test

# Check that LLD does not populate an executable file dynamic symbol table
# by unnecessary symbols.
#   1. bar.so defines T2
#   2. foo.so defines T1 and references T2
#   3. main.o reference T1
#   4. a.out dynamic table should contain T1 entry only

# RUN: yaml2obj -format=elf -docnum 1 %s > %t-bar.o
# RUN: yaml2obj -format=elf -docnum 2 %s > %t-foo.o
# RUN: yaml2obj -format=elf -docnum 3 %s > %t-main.o
# RUN: lld -flavor old-gnu -target mipsel -shared -o %t-bar.so %t-bar.o
# RUN: lld -flavor old-gnu -target mipsel -shared -o %t-foo.so %t-foo.o %t-bar.so
# RUN: lld -flavor old-gnu -target mipsel -e T0 -o %t.exe --as-needed \
# RUN:     %t-main.o %t-foo.so %t-bar.so
# RUN: llvm-readobj -dt -dynamic-table %t.exe | FileCheck %s

# CHECK:      DynamicSymbols [
# CHECK-NEXT:   Symbol {
# CHECK-NEXT:     Name: @ (0)
# CHECK-NEXT:     Value: 0x0
# CHECK-NEXT:     Size: 0
# CHECK-NEXT:     Binding: Local (0x0)
# CHECK-NEXT:     Type: None (0x0)
# CHECK-NEXT:     Other: 0
# CHECK-NEXT:     Section: Undefined (0x0)
# CHECK-NEXT:   }
# CHECK-NEXT:   Symbol {
# CHECK-NEXT:     Name: T1@ ({{.*}})
# CHECK-NEXT:     Value: {{.*}}
# CHECK-NEXT:     Size: 0
# CHECK-NEXT:     Binding: Global (0x1)
# CHECK-NEXT:     Type: Function (0x2)
# CHECK-NEXT:     Other: 8
# CHECK-NEXT:     Section: Undefined (0x0)
# CHECK-NEXT:   }
# CHECK-NEXT: ]

# CHECK:      0x00000003 PLTGOT 0x{{[0-9A-F]+}}
# CHECK-NEXT: 0x00000001 NEEDED SharedLibrary (dynsym-table-1.test.tmp-foo.so)
# CHECK-NEXT: 0x00000000 NULL   0x0

# bar.o
---
FileHeader:
  Class:           ELFCLASS32
  Data:            ELFDATA2LSB
  Type:            ET_REL
  Machine:         EM_MIPS
  Flags:           [EF_MIPS_PIC, EF_MIPS_ABI_O32, EF_MIPS_ARCH_32]

Sections:
  - Name:            .text
    Type:            SHT_PROGBITS
    Flags:           [ SHF_ALLOC, SHF_EXECINSTR ]
    AddressAlign:    0x04
    Size:            0x08
Symbols:
  Global:
    - Name:            T2
      Type:            STT_FUNC
      Section:         .text
      Size:            0x08

# foo.o
---
FileHeader:
  Class:           ELFCLASS32
  Data:            ELFDATA2LSB
  Type:            ET_REL
  Machine:         EM_MIPS
  Flags:           [EF_MIPS_PIC, EF_MIPS_ABI_O32, EF_MIPS_ARCH_32]

Sections:
  - Name:            .text
    Type:            SHT_PROGBITS
    Flags:           [ SHF_ALLOC, SHF_EXECINSTR ]
    AddressAlign:    0x04
    Size:            0x08
  - Name:            .rel.text
    Type:            SHT_REL
    Link:            .symtab
    AddressAlign:    0x08
    Info:            .text
    Relocations:
      - Offset:          0
        Symbol:          T2
        Type:            R_MIPS_CALL16
Symbols:
  Global:
    - Name:            T1
      Type:            STT_FUNC
      Section:         .text
      Size:            0x08
    - Name:            T2

# main.o
---
FileHeader:
  Class:           ELFCLASS32
  Data:            ELFDATA2LSB
  Type:            ET_REL
  Machine:         EM_MIPS
  Flags:           [EF_MIPS_CPIC, EF_MIPS_ABI_O32, EF_MIPS_ARCH_32]

Sections:
  - Name:            .text
    Type:            SHT_PROGBITS
    Flags:           [ SHF_ALLOC, SHF_EXECINSTR ]
    AddressAlign:    0x04
    Size:            0x08
  - Name:            .rel.text
    Type:            SHT_REL
    Link:            .symtab
    AddressAlign:    0x08
    Info:            .text
    Relocations:
      - Offset:          0
        Symbol:          T1
        Type:            R_MIPS_32
Symbols:
  Global:
    - Name:            T0
      Type:            STT_FUNC
      Section:         .text
      Size:            0x08
    - Name:            T1
...