llvm-project/lld/test/elf/Mips/tls-3.test

# Check handling of R_MIPS_TLS_GOTTPREL and R_MIPS_TLS_GD relocations
# and generation of corresponding dynamic relocations R_MIPS_TLS_TPREL32,
# R_MIPS_TLS_DTPMOD32 and R_MIPS_TLS_DTPREL32 in case of executable linking.

# Create a shared library with thread symbol D1.
# RUN: yaml2obj -format=elf -docnum 1 -o %t-so.o %s
# RUN: lld -flavor gnu -target mipsel -shared -o %t.so %t-so.o

# Create executable file linked using two object files and the shared library.
# The object files defines thread symbols D0 and D2.
# RUN: yaml2obj -format=elf -docnum 2 -o %t-o1.o %s
# RUN: yaml2obj -format=elf -docnum 3 -o %t-o2.o %s
# RUN: lld -flavor gnu -target mipsel -e T0 -o %t.exe %t-o1.o %t-o2.o %t.so

# Check dynamic relocations and GOT in the executable file.
# RUN: llvm-readobj -r %t.exe | FileCheck -check-prefix=REL %s
# RUN: llvm-readobj -dynamic-table %t.exe | FileCheck -check-prefix=DYN %s
# RUN: llvm-readobj -dt %t.exe | FileCheck -check-prefix=SYM %s
# RUN: llvm-objdump -s %t.exe | FileCheck -check-prefix=GOT %s

# REL:      Section (5) .rel.dyn {
# REL-NEXT:   0x402008 R_MIPS_TLS_TPREL32 D1 0x0
# REL-NEXT:   0x40200C R_MIPS_TLS_TPREL32 D2 0x0
# REL-NEXT: }

# DYN: 0x7000000A MIPS_LOCAL_GOTNO 2
# DYN: 0x70000013 MIPS_GOTSYM      0x3

# SYM: Name: D2@ (1)
# SYM: Name: D1@ (4)

# GOT:      Contents of section .got:
# GOT-NEXT:  402000 00000000 00000080 00000000 00000000  ................

# so.o
---
FileHeader:
  Class:           ELFCLASS32
  Data:            ELFDATA2LSB
  OSABI:           ELFOSABI_GNU
  Type:            ET_REL
  Machine:         EM_MIPS
  Flags:           [ EF_MIPS_NOREORDER, EF_MIPS_PIC, EF_MIPS_CPIC,
                     EF_MIPS_ABI_O32, EF_MIPS_ARCH_32R2 ]
Sections:
  - Name:            .text
    Type:            SHT_PROGBITS
    Flags:           [ SHF_ALLOC, SHF_EXECINSTR ]
    AddressAlign:    0x04
    Size:            0x04
  - Name:            .rel.text
    Type:            SHT_REL
    Link:            .symtab
    Info:            .text
    AddressAlign:    0x04
    Relocations:
      - Offset:          0x00
        Symbol:          D1
        Type:            R_MIPS_TLS_GD
  - Name:            .tdata
    Type:            SHT_PROGBITS
    Flags:           [ SHF_WRITE, SHF_ALLOC, SHF_TLS ]
    AddressAlign:    0x04
    Size:            0x04

Symbols:
  Global:
    - Name:            T1
      Type:            STT_FUNC
      Section:         .text
      Size:            0x04
    - Name:            D1
      Type:            STT_TLS
      Section:         .tdata
      Size:            0x04

# o1.o
---
FileHeader:
  Class:           ELFCLASS32
  Data:            ELFDATA2LSB
  OSABI:           ELFOSABI_GNU
  Type:            ET_REL
  Machine:         EM_MIPS
  Flags:           [ EF_MIPS_NOREORDER, EF_MIPS_CPIC,
                     EF_MIPS_ABI_O32, EF_MIPS_ARCH_32R2 ]
Sections:
  - Name:            .text
    Type:            SHT_PROGBITS
    Flags:           [ SHF_ALLOC, SHF_EXECINSTR ]
    AddressAlign:    0x04
    Size:            0x08
  - Name:            .rel.text
    Type:            SHT_REL
    Link:            .symtab
    Info:            .text
    AddressAlign:    0x04
    Relocations:
      - Offset:          0x00
        Symbol:          D2
        Type:            R_MIPS_TLS_TPREL_HI16
      - Offset:          0x04
        Symbol:          D2
        Type:            R_MIPS_TLS_TPREL_LO16
  - Name:            .tdata
    Type:            SHT_PROGBITS
    Flags:           [ SHF_WRITE, SHF_ALLOC, SHF_TLS ]
    AddressAlign:    0x04
    Size:            0x04

Symbols:
  Global:
    - Name:            T2
      Type:            STT_FUNC
      Section:         .text
      Size:            0x08
    - Name:            D2
      Type:            STT_TLS
      Section:         .tdata
      Size:            0x04

# o2.o
---
FileHeader:
  Class:           ELFCLASS32
  Data:            ELFDATA2LSB
  OSABI:           ELFOSABI_GNU
  Type:            ET_REL
  Machine:         EM_MIPS
  Flags:           [ EF_MIPS_NOREORDER, EF_MIPS_CPIC,
                     EF_MIPS_ABI_O32, EF_MIPS_ARCH_32R2 ]
Sections:
  - Name:            .text
    Type:            SHT_PROGBITS
    Flags:           [ SHF_ALLOC, SHF_EXECINSTR ]
    AddressAlign:    0x04
    Size:            0x10
  - Name:            .rel.text
    Type:            SHT_REL
    Link:            .symtab
    Info:            .text
    AddressAlign:    0x04
    Relocations:
      - Offset:          0x00
        Symbol:          D1
        Type:            R_MIPS_TLS_GOTTPREL
        Addend:          0
      - Offset:          0x04
        Symbol:          D0
        Type:            R_MIPS_TLS_TPREL_HI16
        Addend:          0
      - Offset:          0x08
        Symbol:          D0
        Type:            R_MIPS_TLS_TPREL_LO16
        Addend:          0
      - Offset:          0x0C
        Symbol:          D2
        Type:            R_MIPS_TLS_GOTTPREL
        Addend:          0
  - Name:            .tdata
    Type:            SHT_PROGBITS
    Flags:           [ SHF_WRITE, SHF_ALLOC, SHF_TLS ]
    AddressAlign:    0x04
    Size:            0x04

Symbols:
  Global:
    - Name:            D0
      Type:            STT_TLS
      Section:         .tdata
      Size:            0x04
    - Name:            T0
      Type:            STT_FUNC
      Section:         .text
      Size:            0x10
    - Name:            D1
      Type:            STT_TLS
    - Name:            D2
      Type:            STT_TLS
...