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

   1 # REQUIRES: arm
   2 # RUN: yaml2obj %s -o %t.o
   3 # RUN: ld.lld %t.o -o %t
   4 # RUN: llvm-objdump --no-print-imm-hex -d %t | FileCheck %s
   5
   6 # CHECK: Disassembly of section .text:
   7 # CHECK-EMPTY:
   8 # CHECK-NEXT: <_start>:
   9 # CHECK-NEXT:    e7ff    b       0x200b6 <_start+0x2> @ imm = #-2
  10 # CHECK-NEXT:    d0fe    beq     0x200b6 <_start+0x2> @ imm = #-4
  11
  12 # Test the R_ARM_THM_JUMP11 (102) and R_ARM_THM_JUMP8 (103) relocations to an
  13 # undefined weak reference.  It should resolve to the next instruction, which
  14 # is an offset of -2 which when added to the Thumb PC-bias of 4 is +2. We can't
  15 # use llvm-mc to construct the object as it relaxes b.n to b.w (R_ARM_JUMP24).
  16
  17 !ELF
  18 FileHeader:
  19   Class:           ELFCLASS32
  20   Data:            ELFDATA2LSB
  21   Type:            ET_REL
  22   Machine:         EM_ARM
  23 Sections:
  24   - Type:            SHT_PROGBITS
  25     Name:            .text
  26     Flags:           [ SHF_ALLOC, SHF_EXECINSTR ]
  27     Content:         "fee7fed0"
  28   - Type:            SHT_REL
  29     Name:            .rel.text
  30     Link:            .symtab
  31     Info:            .text
  32     Relocations:
  33       - Symbol:          undefined_weak
  34         Type:            R_ARM_THM_JUMP11
  35       - Symbol:          undefined_weak
  36         Type:            R_ARM_THM_JUMP8
  37
  38 Symbols:
  39   - Type:             STT_NOTYPE
  40     Name:             "$t"
  41     Section:          .text
  42     Value:            0
  43   - Type:             STT_FUNC
  44     Name:             _start
  45     Value:            1
  46     Section:          .text
  47     Binding:          STB_GLOBAL
  48   - Type:             STT_NOTYPE
  49     Name:             undefined_weak
  50     Value:            0
  51     Binding:          STB_WEAK