gold/testsuite/thumb_bl_out_of_range.s

   1 # thumb_bl_out_of_range.s
   2 # Test THUMB/THUMB-2 bl instructions just out of the branch range limits.
   3         .syntax unified
   4
   5         .section        .text.pre,"x"
   6
   7 # Add padding so that target is just output of branch range.
   8         .space  6
   9
  10         .global _backward_target
  11         .code   16
  12         .thumb_func
  13         .type   _backword_target, %function
  14 _backward_target:
  15         bx      lr
  16         .size   _backward_target, .-_backward_target
  17
  18         .text
  19 # Use 256-byte alignment so that we know where the stubs start.
  20         .align  8
  21
  22 # Define _start so that linker does not complain.
  23         .global _start
  24         .code   32
  25         .align  2
  26         .type   _start, %function
  27 _start:
  28         bx      lr
  29         .size   _start, .-_start
  30
  31         .global _backward_test
  32         .code   16
  33         .thumb_func
  34         .type   _backward_test, %function
  35 _backward_test:
  36         bl      _backward_target
  37         .size   _backward_test, .-_backward_test
  38
  39         .global _forward_test
  40         .code   16
  41         .thumb_func
  42         .type   _forward_test, %function
  43 _forward_test:
  44         bl      _forward_target
  45         .size   _forward_test, .-_forward_test
  46
  47 # switch back to ARM mode so that stubs are disassembled correctly.
  48         .align  2
  49         .code   32
  50
  51 # Align stub table for address matching.
  52         .align  8
  53
  54         .section        .text.post,"x"
  55
  56 # Add padding so that target is just out of branch range.
  57         .space  12
  58
  59         .global _forward_target
  60         .code   16
  61         .thumb_func
  62         .type   _forward_target, %function
  63 _forward_target:
  64         bx      lr
  65         .size   _forward_target, .-_forward_target