lld/test/ELF/arm-thumb-interwork-shared.s

   1 // REQUIRES: arm
   2 // RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=thumbv7a-none-linux-gnueabi %s -o %t
   3 // RUN: ld.lld %t --shared -o %t.so
   4 // RUN: llvm-objdump -d --no-show-raw-insn %t.so | FileCheck %s
   5  .syntax unified
   6  .global sym1
   7  .global elsewhere
   8  .weak weakref
   9 sym1:
  10  b.w elsewhere
  11  b.w weakref
  12
  13  bl elsewhere
  14  bl weakref
  15
  16 // Check that we generate a thunk for an undefined symbol called via a plt
  17 // entry.
  18
  19 // CHECK: Disassembly of section .text:
  20 // CHECK-EMPTY:
  21 // CHECK-NEXT: <sym1>:
  22 // CHECK-NEXT:    101e0: b.w 0x101f0 <__ThumbV7PILongThunk_elsewhere>
  23 // CHECK-NEXT:           b.w 0x101fc <__ThumbV7PILongThunk_weakref>
  24 // CHECK-NEXT:           blx 0x10230
  25 // CHECK-NEXT:           blx 0x10240
  26 // CHECK: <__ThumbV7PILongThunk_elsewhere>:
  27 // CHECK-NEXT:     101f0: movw    r12, #52
  28 // CHECK-NEXT:           movt    r12, #0
  29 // CHECK-NEXT:           add     r12, pc
  30 // CHECK-NEXT:           bx      r12
  31 // CHECK: <__ThumbV7PILongThunk_weakref>:
  32 // CHECK-NEXT:     101fc: movw    r12, #56
  33 // CHECK-NEXT:           movt    r12, #0
  34 // CHECK-NEXT:           add     r12, pc
  35 // CHECK-NEXT:           bx      r12
  36
  37 // CHECK: Disassembly of section .plt:
  38 // CHECK-EMPTY:
  39 // CHECK-NEXT: <$a>:
  40 // CHECK-NEXT:     10210: str     lr, [sp, #-4]!
  41 // CHECK-NEXT:           add     lr, pc, #0, #12
  42 // CHECK-NEXT:           add     lr, lr, #32
  43 // CHECK-NEXT:           ldr     pc, [lr, #148]!
  44 // CHECK: <$d>:
  45 // CHECK-NEXT:     10220: d4 d4 d4 d4 .word   0xd4d4d4d4
  46 // CHECK-NEXT:           .word   0xd4d4d4d4
  47 // CHECK-NEXT:           .word   0xd4d4d4d4
  48 // CHECK-NEXT:           .word   0xd4d4d4d4
  49 // CHECK: <$a>:
  50 // CHECK-NEXT:     10230: add     r12, pc, #0, #12
  51 // CHECK-NEXT:           add     r12, r12, #32
  52 // CHECK-NEXT:           ldr     pc, [r12, #124]!
  53 // CHECK: <$d>:
  54 // CHECK-NEXT:     1023c: d4 d4 d4 d4 .word   0xd4d4d4d4
  55 // CHECK: <$a>:
  56 // CHECK-NEXT:     10240: add     r12, pc, #0, #12
  57 // CHECK-NEXT:           add     r12, r12, #32
  58 // CHECK-NEXT:           ldr     pc, [r12, #112]!
  59 // CHECK: <$d>:
  60 // CHECK-NEXT:     1024c: d4 d4 d4 d4 .word   0xd4d4d4d4