# Check that PLT entries are properly generated when link dynamically.
#
# 1. ARM code generates PLT entries.
# RUN: yaml2obj -format=elf -docnum 1 %s > %t-arm.o
# RUN: lld -flavor old-gnu -target arm-linux-gnu \
# RUN: --noinhibit-exec %t-arm.o -lfn -L%p/Inputs -o %t
# RUN: llvm-objdump -s %t | FileCheck -check-prefix=ARM %s

# ARM: Contents of section .rel.plt:
# ARM-NEXT: 400134 0c104000 16010000
#  GOT addr = 0x40100c ^^
# ARM-NEXT: Contents of section .plt:
# ARM-NEXT: 40013c 04e02de5 04e09fe5 0ee08fe0 00f0bee5
#                     ^ --             PLT0         --
# ARM-NEXT: 40014c bc0e0000 00c68fe2 00ca8ce2 b4febce5
#                  -- ^        ^ --   PLT_fn   -- ^
# ARM-NEXT: Contents of section .text:
# ARM-NEXT: 40015c {{[0-9a-f]+}} {{[0-9a-f]+}} f9ffffea
#                                        b PLT_fn ^^
# ARM: Contents of section .got.plt:
# ARM-NEXT: 401000 00000000 00000000 00000000 3c014000
#                           PLT0 addr = 0x40013c ^^

# 2. Thumb code generates PLT entries with veneers.
# RUN: yaml2obj -format=elf -docnum 2 %s > %t-thm.o
# RUN: lld -flavor old-gnu -target arm-linux-gnu \
# RUN: --noinhibit-exec %t-thm.o -lfn -L%p/Inputs -o %t
# RUN: llvm-objdump -s %t | FileCheck -check-prefix=THM %s

# THM: Contents of section .rel.plt:
# THM-NEXT: 400134 0c104000 16010000
#  GOT addr = 0x40100c ^^
# THM-NEXT: Contents of section .plt:
# THM-NEXT: 40013c 04e02de5 04e09fe5 0ee08fe0 00f0bee5
#                     ^ --             PLT0         --
# THM-NEXT: 40014c bc0e0000 78470000 00c68fe2 00ca8ce2
#                  -- ^  veneer ^       ^ -- PLT_fn --
# THM-NEXT: 40015c b0febce5
#                  -- ^
# THM: Contents of section .text:
# THM-NEXT: 400160 {{[0-9a-f]+}} fff7f4bf
#                          b PLT_fn ^^

# 3. Thumb code generates PLT entries without veneers when bl->blx is done.
# RUN: yaml2obj -format=elf -docnum 3 %s > %t-thm.o
# RUN: lld -flavor old-gnu -target arm-linux-gnu \
# RUN: --noinhibit-exec %t-thm.o -lfn -L%p/Inputs -o %t
# RUN: llvm-objdump -s %t | FileCheck -check-prefix=THM-BLX %s

# THM-BLX: Contents of section .rel.plt:
# THM-BLX-NEXT: 400134 0c104000 16010000
#      GOT addr = 0x40100c ^^
# THM-BLX-NEXT: Contents of section .plt:
# THM-BLX-NEXT: 40013c 04e02de5 04e09fe5 0ee08fe0 00f0bee5
#                         ^ --             PLT0         --
# THM-BLX-NEXT: 40014c bc0e0000 00c68fe2 00ca8ce2 b4febce5
#                      -- ^        ^ --   PLT_fn   -- ^
# THM-BLX: Contents of section .text:
# THM-BLX-NEXT: 40015c {{[0-9a-f]+}} fff7f6ef
#                            blx PLT_fn ^^

# Generation of mapping symbols.
# RUN: yaml2obj -format=elf -docnum 1 %s > %t-arm.o
# RUN: lld -flavor old-gnu -target arm-linux-gnu \
# RUN: --noinhibit-exec %t-arm.o -lfn -L%p/Inputs -o %t-arm
# RUN: llvm-readobj -symbols %t-arm | FileCheck -check-prefix=ARM-MAPPING %s

# ARM-MAPPING: Name: {{[$]?[a]?[.]?}}__PLT0
# ARM-MAPPING: Name: {{[$]?[d]?[.]?}}__PLT0_d
# ARM-MAPPING: Name: {{[$]?[a]?[.]?}}__plt_fn

# RUN: yaml2obj -format=elf -docnum 2 %s > %t-thm.o
# RUN: lld -flavor old-gnu -target arm-linux-gnu \
# RUN: --noinhibit-exec %t-thm.o -lfn -L%p/Inputs -o %t-thm
# RUN: llvm-readobj -symbols %t-thm | FileCheck -check-prefix=THM-MAPPING %s

# THM-MAPPING: Name: {{[$]?[a]?[.]?}}__PLT0
# THM-MAPPING: Name: {{[$]?[d]?[.]?}}__PLT0_d
# THM-MAPPING: Name: {{[$]?[t]?[.]?}}__plt_from_thumb_fn
# THM-MAPPING: Name: {{[$]?[a]?[.]?}}__plt_fn

# arm.o
---
FileHeader:
  Class:           ELFCLASS32
  Data:            ELFDATA2LSB
  Type:            ET_REL
  Machine:         EM_ARM
  Flags:           [ EF_ARM_EABI_VER5 ]
Sections:
  - Name:            .text
    Type:            SHT_PROGBITS
    Flags:           [ SHF_ALLOC, SHF_EXECINSTR ]
    AddressAlign:    0x0000000000000004
    Content:         00482DE904B08DE2FEFFFFEA0030A0E10300A0E10088BDE8
  - Name:            .rel.text
    Type:            SHT_REL
    Link:            .symtab
    AddressAlign:    0x0000000000000004
    Info:            .text
    Relocations:
      - Offset:          0x0000000000000008
        Symbol:          fn
        Type:            R_ARM_JUMP24
  - Name:            .data
    Type:            SHT_PROGBITS
    Flags:           [ SHF_WRITE, SHF_ALLOC ]
    AddressAlign:    0x0000000000000001
    Content:         ''
  - Name:            .bss
    Type:            SHT_NOBITS
    Flags:           [ SHF_WRITE, SHF_ALLOC ]
    AddressAlign:    0x0000000000000001
Symbols:
  Global:
    - Name:            main
      Type:            STT_FUNC
      Section:         .text
    - Name:            fn

# thm.o
---
FileHeader:
  Class:           ELFCLASS32
  Data:            ELFDATA2LSB
  Type:            ET_REL
  Machine:         EM_ARM
  Flags:           [ EF_ARM_EABI_VER5 ]
Sections:
  - Name:            .text
    Type:            SHT_PROGBITS
    Flags:           [ SHF_ALLOC, SHF_EXECINSTR ]
    AddressAlign:    0x0000000000000004
    Content:         80B500AFFFF7FEBF0346184680BD00BF
  - Name:            .rel.text
    Type:            SHT_REL
    Link:            .symtab
    AddressAlign:    0x0000000000000004
    Info:            .text
    Relocations:
      - Offset:          0x0000000000000004
        Symbol:          fn
        Type:            R_ARM_THM_JUMP24
  - Name:            .data
    Type:            SHT_PROGBITS
    Flags:           [ SHF_WRITE, SHF_ALLOC ]
    AddressAlign:    0x0000000000000001
    Content:         ''
  - Name:            .bss
    Type:            SHT_NOBITS
    Flags:           [ SHF_WRITE, SHF_ALLOC ]
    AddressAlign:    0x0000000000000001
Symbols:
  Global:
    - Name:            main
      Type:            STT_FUNC
      Section:         .text
      Value:           0x0000000000000001
    - Name:            fn

# thm-c.o
---
FileHeader:
  Class:           ELFCLASS32
  Data:            ELFDATA2LSB
  Type:            ET_REL
  Machine:         EM_ARM
  Flags:           [ EF_ARM_EABI_VER5 ]
Sections:
  - Name:            .text
    Type:            SHT_PROGBITS
    Flags:           [ SHF_ALLOC, SHF_EXECINSTR ]
    AddressAlign:    0x0000000000000004
    Content:         80B500AFFFF7FEFF0346184680BD00BF
  - Name:            .rel.text
    Type:            SHT_REL
    Link:            .symtab
    AddressAlign:    0x0000000000000004
    Info:            .text
    Relocations:
      - Offset:          0x0000000000000004
        Symbol:          fn
        Type:            R_ARM_THM_CALL
  - Name:            .data
    Type:            SHT_PROGBITS
    Flags:           [ SHF_WRITE, SHF_ALLOC ]
    AddressAlign:    0x0000000000000001
    Content:         ''
  - Name:            .bss
    Type:            SHT_NOBITS
    Flags:           [ SHF_WRITE, SHF_ALLOC ]
    AddressAlign:    0x0000000000000001
Symbols:
  Global:
    - Name:            main
      Type:            STT_FUNC
      Section:         .text
      Value:           0x0000000000000001
    - Name:            fn
...