hanchenye-llvm-project/lld/test/elf/ARM/rel-thm-call.test

# Check handling of R_ARM_THM_CALL relocation.
# RUN: yaml2obj -format=elf -docnum 1 %s > %t-o.o
# RUN: lld -flavor gnu -target arm -m armelf_linux_eabi -Bstatic \
# RUN: --noinhibit-exec %t-o.o -o %t
# RUN: llvm-objdump -s -t %t | FileCheck %s

# CHECK: Contents of section .text:
# CHECK: 400084 fff7f6ff 00231846 80bd00bf
#                  ^^ offset = -0x14
#               call site  offset  PC(thm) _Z1fv addr
#               0x400084 + (-0x14) + 0x4 = 0x400074
# CHECK: SYMBOL TABLE:
# CHECK: 00400074 g     F .text  {{[0-9a-f]+}} _Z1fv
# CHECK: 00400080 g     F .text  {{[0-9a-f]+}} main

# RUN: yaml2obj -format=elf -docnum 2 %s > %t-o.o
# RUN: not lld -flavor gnu -target arm -m armelf_linux_eabi -Bstatic \
# RUN: --noinhibit-exec %t-o.o -o %t 2> %t-error
# RUN: FileCheck -check-prefix=OVERFLOW %s < %t-error

# OVERFLOW: Relocation out of range {{.*}} (R_ARM_THM_CALL)

# good.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:         80B400AFBD465DF8047B704780B500AFFFF7FEFF0023184680BD00BF
  - Name:            .rel.text
    Type:            SHT_REL
    Link:            .symtab
    AddressAlign:    0x0000000000000004
    Info:            .text
    Relocations:
      - Offset:          0x0000000000000010
        Symbol:          _Z1fv
        Type:            R_ARM_THM_CALL
        Addend:          0
  - 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:            _Z1fv
      Type:            STT_FUNC
      Section:         .text
      Value:           0x0000000000000001
      Size:            0x000000000000000C
    - Name:            main
      Type:            STT_FUNC
      Section:         .text
      Value:           0x000000000000000D
      Size:            0x000000000000000E

# overflow.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:         80B400AFBD465DF8047B704780B500AF00F400D00023184680BD00BF
  - Name:            .rel.text
    Type:            SHT_REL
    Link:            .symtab
    AddressAlign:    0x0000000000000004
    Info:            .text
    Relocations:
      - Offset:          0x0000000000000010
        Symbol:          _Z1fv
        Type:            R_ARM_THM_CALL
        Addend:          0
  - 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:            _Z1fv
      Type:            STT_FUNC
      Section:         .text
      Value:           0x0000000000000001
      Size:            0x000000000000000C
    - Name:            main
      Type:            STT_FUNC
      Section:         .text
      Value:           0x000000000000000D
      Size:            0x000000000000000E
...