llvm-project/lld/test/elf/ARM/mapping-code-model.test

# Check that mapping symbols are treated as ARM or Thumb code properly.
#
# 1. ARM <=> Thumb generates both veneers.
# RUN: yaml2obj -format=elf -docnum 1 %s > %t-a-arm.o
# RUN: yaml2obj -format=elf -docnum 3 %s > %t-t-thm.o
# RUN: lld -flavor gnu -target arm-linux-gnu --defsym=main=f_a \
# RUN: -Bstatic --noinhibit-exec %t-a-arm.o %t-t-thm.o -o %t
# RUN: llvm-objdump -t %t | FileCheck -check-prefix=INTER %s

# INTER: SYMBOL TABLE:
# INTER: {{[0-9a-f]+}} l     F .text  {{[0-9a-f]+}} __f_t_from_arm
# INTER: {{[0-9a-f]+}} l     F .text  {{[0-9a-f]+}} __f_a_from_thumb

# 2. Thumb <=> Thumb doesn't generate veneers.
# RUN: yaml2obj -format=elf -docnum 2 %s > %t-a-thm.o
# RUN: yaml2obj -format=elf -docnum 3 %s > %t-t-thm.o
# RUN: lld -flavor gnu -target arm-linux-gnu --defsym=main=f_t \
# RUN: -Bstatic --noinhibit-exec %t-t-thm.o %t-a-thm.o -o %t
# RUN: llvm-objdump -t %t | FileCheck -check-prefix=THUMB %s

# THUMB: SYMBOL TABLE:
# THUMB-NOT: {{[0-9a-f]+}} l     F .text  {{[0-9a-f]+}} __f_t_from_thumb
# THUMB-NOT: {{[0-9a-f]+}} l     F .text  {{[0-9a-f]+}} __f_a_from_thumb

# f-a-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:         00482DE904B08DE2FEFFFFEBFEFFFFEA0030A0E10300A0E10088BDE8
  - Name:            .rel.text
    Type:            SHT_REL
    Link:            .symtab
    AddressAlign:    0x0000000000000004
    Info:            .text
    Relocations:
      - Offset:          0x0000000000000008
        Symbol:          f_t
        Type:            R_ARM_CALL
      - Offset:          0x000000000000000C
        Symbol:          f_t
        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:
  Local:
    - Name:            '$a'
      Section:         .text
      Size:            0x0000000000000002
    - Name:            '$a.f_a'
      Section:         .text
      Value:           0x0000000000000002
  Global:
    - Name:            f_a
      Type:            STT_FUNC
      Section:         .text
    - Name:            f_t

# f-a-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:         80B400AF00231846BD465DF8047B7047
  - 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:
  Local:
    - Name:            '$t'
      Section:         .text
      Size:            0x0000000000000002
    - Name:            '$t.f_a'
      Section:         .text
      Value:           0x0000000000000002
  Global:
    - Name:            f_a
      Type:            STT_FUNC
      Section:         .text
      Value:           0x0000000000000001

# f-t-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:         80B500AFFFF7FEFFFFF7FEBF0346184680BD00BF
  - Name:            .rel.text
    Type:            SHT_REL
    Link:            .symtab
    AddressAlign:    0x0000000000000004
    Info:            .text
    Relocations:
      - Offset:          0x0000000000000004
        Symbol:          f_a
        Type:            R_ARM_THM_CALL
      - Offset:          0x0000000000000008
        Symbol:          f_a
        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:
  Local:
    - Name:            '$t'
      Section:         .text
      Size:            0x0000000000000002
    - Name:            '$t.f_t'
      Section:         .text
      Value:           0x0000000000000002
  Global:
    - Name:            f_t
      Type:            STT_FUNC
      Section:         .text
      Value:           0x0000000000000001
    - Name:            f_a
...