# Check handling MIPS N64 ABI relocation "chains".

# RUN: yaml2obj -format=elf -docnum 1 %s > %t-so.o
# RUN: lld -flavor old-gnu -target mips64el -shared -o %t.so %t-so.o
# RUN: yaml2obj -format=elf -docnum 2 %s > %t-o.o
# RUN: lld -flavor old-gnu -target mips64el -e T0 -o %t.exe %t-o.o %t.so
# RUN: llvm-readobj -s -t -dt -mips-plt-got %t.exe | \
# RUN:   FileCheck -check-prefix=SYM %s
# RUN: llvm-objdump -s %t.exe | FileCheck -check-prefix=RAW %s

# SYM:      Section {
# SYM:        Index: 6
# SYM-NEXT:   Name: .rodata
# SYM-NEXT:   Type: SHT_PROGBITS
# SYM-NEXT:   Flags [
# SYM-NEXT:     SHF_ALLOC
# SYM-NEXT:   ]
# SYM-NEXT:   Address: 0x120000230
#
# SYM:      Symbol {
# SYM:        Name: LT1
# SYM-NEXT:   Value: 0x120000210
# SYM-NEXT:   Size: 16
# SYM-NEXT:   Binding: Global
# SYM-NEXT:   Type: Function
# SYM-NEXT:   Other: 0
# SYM-NEXT:   Section: .text
# SYM-NEXT: }
# SYM:      Symbol {
# SYM:        Name: T0
# SYM-NEXT:   Value: 0x120000220
# SYM-NEXT:   Size: 16
# SYM-NEXT:   Binding: Global
# SYM-NEXT:   Type: Function
# SYM-NEXT:   Other: 0
# SYM-NEXT:   Section: .text
# SYM-NEXT: }
# SYM:      Symbol {
# SYM:        Name: T1@
# SYM-NEXT:   Value: 0x0
# SYM-NEXT:   Size: 0
# SYM-NEXT:   Binding: Global
# SYM-NEXT:   Type: Function
# SYM-NEXT:   Other: 0
# SYM-NEXT:   Section: Undefined
# SYM-NEXT: }
#
# SYM:      Canonical gp value: 0x120008FF0
# SYM:      Local entries [
# SYM-NEXT:   Entry {
# SYM-NEXT:     Address: 0x{{[0-9A-F]+}}
# SYM-NEXT:     Access: -32736
# SYM-NEXT:     Initial: 0x120000000
# SYM-NEXT:   }
# SYM-NEXT: ]
# SYM-NEXT: Global entries [
# SYM-NEXT:   Entry {
# SYM-NEXT:     Address: 0x{{[0-9A-F]+}}
# SYM-NEXT:     Access: -32728
# SYM-NEXT:     Initial: 0x0
# SYM-NEXT:     Value: 0x0
# SYM-NEXT:     Type: Function (0x2)
# SYM-NEXT:     Section: Undefined (0x0)
# SYM-NEXT:     Name: T1@ (1)
# SYM-NEXT:   }
# SYM-NEXT: ]

# RAW:      Contents of section .text:
# RAW-NEXT:  120000210 01000000 00000000 e08d0000 00000000
#                      ^
#                      S - GP = 0x120000210 - 0x120008ff0 = -36320
#                      S - A = 0 - (-36320) = 36320
#                      (AHL + S + 0x8000) >> 16 = 1
#                                        ^
#                      S - GP = 0x120000210 - 0x120008ff0 = -36320
#                      S - A = 0 - (-36320) = 36320
#                      AHL + S = 0x8DE0
# RAW-NEXT:  120000220 20800000 38020000 28800000 00000000
#                      ^ 0x8020 = -32736 GOT
#                               ^ (0x120000230 + 8 - page) = 0x238
#                                        ^ 0x8028 = -32728
# RAW:      Contents of section .pdr:
# RAW-NEXT:  0000 10020020 20020020

---
FileHeader:
  Class:   ELFCLASS64
  Data:    ELFDATA2LSB
  Type:    ET_REL
  Machine: EM_MIPS
  Flags:   [EF_MIPS_NOREORDER, EF_MIPS_PIC, EF_MIPS_CPIC, EF_MIPS_ARCH_64]

Sections:
  - Name:            .text
    Type:            SHT_PROGBITS
    Flags:           [ SHF_ALLOC, SHF_EXECINSTR ]
    AddressAlign:    16
    Size:            8

Symbols:
  Local:
    - Name:            .text
      Type:            STT_SECTION
      Section:         .text

  Global:
    - Name:            T1
      Type:            STT_FUNC
      Section:         .text
      Value:           0
      Size:            8

---
FileHeader:
  Class:   ELFCLASS64
  Data:    ELFDATA2LSB
  Type:    ET_REL
  Machine: EM_MIPS
  Flags:   [EF_MIPS_NOREORDER, EF_MIPS_PIC, EF_MIPS_CPIC, EF_MIPS_ARCH_64]

Sections:
  - Name:            .text
    Type:            SHT_PROGBITS
    Flags:           [ SHF_ALLOC, SHF_EXECINSTR ]
    AddressAlign:    16
    Size:            32

  - Name:            .rela.text
    Type:            SHT_RELA
    Link:            .symtab
    AddressAlign:    8
    Info:            .text
    Relocations:
      - Offset:          0x00
        Symbol:          LT1
        Type:            R_MIPS_GPREL16
        Type2:           R_MIPS_SUB
        Type3:           R_MIPS_HI16
      - Offset:          0x08
        Symbol:          LT1
        Type:            R_MIPS_GPREL16
        Type2:           R_MIPS_SUB
        Type3:           R_MIPS_LO16
      - Offset:          0x10
        Symbol:          .rodata
        Type:            R_MIPS_GOT_PAGE
        Addend:          8
      - Offset:          0x14
        Symbol:          .rodata
        Type:            R_MIPS_GOT_OFST
        Addend:          8
      - Offset:          0x18
        Symbol:          T1
        Type:            R_MIPS_CALL16

  - Name:            .pdr
    Type:            SHT_PROGBITS
    AddressAlign:    4
    Size:            8

  - Name:            .rela.pdr
    Type:            SHT_RELA
    Link:            .symtab
    AddressAlign:    8
    Info:            .pdr
    Relocations:
      - Offset:          0x00
        Symbol:          LT1
        Type:            R_MIPS_32
      - Offset:          0x04
        Symbol:          T0
        Type:            R_MIPS_32

  - Name:            .rodata
    Type:            SHT_PROGBITS
    Flags:           [ SHF_ALLOC ]
    AddressAlign:    16
    Size:            16

Symbols:
  Local:
    - Name:            .text
      Type:            STT_SECTION
      Section:         .text
    - Name:            .rodata
      Type:            STT_SECTION
      Section:         .rodata
    - Name:            .pdr
      Type:            STT_SECTION
      Section:         .pdr

  Global:
    - Name:            LT1
      Type:            STT_FUNC
      Section:         .text
      Value:           0x00
      Size:            0x10
    - Name:            T0
      Type:            STT_FUNC
      Section:         .text
      Value:           0x10
      Size:            0x10
    - Name:            T1
...