lld/test/ELF/arm-blx-v4t.s

   1 // REQUIRES: arm
   2 // RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=arm-none-linux-gnueabi %s -o %t
   3 // RUN: ld.lld %t -o /dev/null 2>&1 | FileCheck %s
   4
   5 // On Arm v4t there is no blx instruction so all interworking must go via
   6 // a thunk. At present we don't support v4t so we give a warning for unsupported
   7 // features.
   8
   9 // CHECK: warning: lld uses blx instruction, no object with architecture supporting feature detected
  10
  11  .text
  12  .syntax unified
  13  .cpu   arm7tdmi
  14  .arm
  15  .globl _start
  16  .type   _start,%function
  17  .p2align       2
  18 _start:
  19   bl thumbfunc
  20   bx lr
  21
  22  .thumb
  23  .section .text.2, "ax", %progbits
  24  .globl thumbfunc
  25  .type thumbfunc,%function
  26 thumbfunc:
  27  bx lr