lld/test/ELF/arm-exidx-empty-fn.s

   1 // REQUIRES: arm
   2 // RUN: llvm-mc -filetype=obj -triple=armv7a-none-linux-gnueabi %s -o %t.o
   3 // RUN: ld.lld %t.o -o %t -shared
   4
   5 // RUN: llvm-readelf --unwind %t | FileCheck %s
   6
   7 // Check that any exidx sections for empty functions are discarded.
   8
   9 // CHECK:      Entries [
  10 // CHECK-NEXT:   Entry {
  11 // CHECK-NEXT:     FunctionAddress:
  12 // CHECK-NEXT:     Model: CantUnwind
  13 // CHECK-NEXT:   }
  14 // CHECK-NEXT:   Entry {
  15 // CHECK-NEXT:     FunctionAddress:
  16 // CHECK-NEXT:     Model: CantUnwind
  17 // CHECK-NEXT:   }
  18 // CHECK-NEXT: ]
  19
  20 .section .text.f0,"ax",%progbits
  21 .globl f0
  22 f0:
  23 .fnstart
  24 bx lr
  25 .cantunwind
  26 .fnend
  27
  28 .section .text.f1,"ax",%progbits
  29 .globl f1
  30 f1:
  31 .fnstart
  32 .cantunwind
  33 .fnend
  34
  35 .section .text.f2,"ax",%progbits
  36 .globl f2
  37 f2:
  38 .fnstart
  39 bx lr
  40 .cantunwind
  41 .fnend