test/ELF/arm-thumb-undefined-weak-narrow.test

# REQUIRES: arm
# RUN: yaml2obj %s -o %t.o
# RUN: ld.lld %t.o -o %t
# RUN: llvm-objdump -triple=thumbv7a-linux-gnueabi -d %t | FileCheck %s

# CHECK: Disassembly of section .text:
# CHECK-NEXT:_start:
# CHECK-NEXT:    11000:       ff e7   b       #-2

# Test the R_ARM_THM_JUMP11 relocation (102) to an undefined weak reference
# It should resolve to the next instruction, which is an offset of -2 which
# when added to the Thumb PC-bias of 4 is +2. We can't use llvm-mc to construct
# the object as it relaxes b.n to b.w (R_ARM_JUMP24).

!ELF
FileHeader:
  Class:           ELFCLASS32
  Data:            ELFDATA2LSB
  Type:            ET_REL
  Machine:         EM_ARM
Sections:
  - Type:            SHT_PROGBITS
    Name:            .text
    Flags:           [ SHF_ALLOC, SHF_EXECINSTR ]
    Content:         "fee7"
  - Type:            SHT_REL
    Name:            .rel.text
    Link:            .symtab
    Info:            .text
    Relocations:
      - Offset:          0
        Symbol:          undefined_weak
        Type:            R_ARM_THM_JUMP11

Symbols:
 Global:
   - Type:             STT_FUNC
     Name:             _start
     Value:            1
     Section:          .text
 Local:
   - Type:             STT_NOTYPE
     Name:             "$t"
     Section:          .text
     Value:            0
 Weak:
   - Type:             STT_NOTYPE
     Name:             undefined_weak
     Value:            0