lld/test/ELF/arm-thunk-linkerscript-sort.s

   1 // REQUIRES: arm
   2 // RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=thumbv7a-none-linux-gnueabi %s -o %t
   3 // RUN: echo "SECTIONS { \
   4 // RUN:       .text 0x100000 : { *(SORT_BY_NAME(.text.*)) } \
   5 // RUN:       }" > %t.script
   6 // RUN: ld.lld --script %t.script %t -o %t2
   7 // RUN: llvm-objdump -d %t2 --start-address=0x100000 --stop-address=0x100008 | FileCheck --check-prefix=CHECK1 %s
   8 // RUN: llvm-objdump -d %t2 --start-address=0x1000004 --stop-address=0x100000e | FileCheck --check-prefix=CHECK2 %s
   9
  10  .syntax unified
  11
  12 // Test that linkerscript sorting does not apply to Thunks, we expect that the
  13 // sort will reverse the order of sections presented here.
  14
  15 // Define a function aligned on a megabyte boundary
  16  .macro FUNCTION suff
  17  .section .text.\suff\(), "ax", %progbits
  18  .thumb
  19  .balign 0x100000
  20  .globl tfunc\suff\()
  21  .type  tfunc\suff\(), %function
  22 tfunc\suff\():
  23  bx lr
  24  .endm
  25
  26  FUNCTION 31
  27  FUNCTION 30
  28  FUNCTION 29
  29  FUNCTION 28
  30  FUNCTION 27
  31  FUNCTION 26
  32  FUNCTION 25
  33  FUNCTION 24
  34  FUNCTION 23
  35  FUNCTION 22
  36  FUNCTION 21
  37  FUNCTION 20
  38  FUNCTION 19
  39  FUNCTION 18
  40  FUNCTION 17
  41  FUNCTION 16
  42  FUNCTION 15
  43 // CHECK2: <__Thumbv7ABSLongThunk_tfunc31>:
  44 // CHECK2-NEXT:  1000004:       f3ff 97fc       b.w     0x2000000 <tfunc31>
  45  FUNCTION 14
  46  FUNCTION 13
  47  FUNCTION 12
  48  FUNCTION 11
  49  FUNCTION 10
  50  FUNCTION 09
  51  FUNCTION 08
  52  FUNCTION 07
  53  FUNCTION 06
  54  FUNCTION 05
  55  FUNCTION 04
  56  FUNCTION 03
  57  FUNCTION 02
  58  FUNCTION 01
  59  .section .text.00, "ax", %progbits
  60  .thumb
  61  .globl _start
  62 _start:
  63 // Expect no range extension needed for tfunc01 and an extension needed for
  64 // tfunc31
  65  bl tfunc01
  66  bl tfunc31
  67 // CHECK1: <_start>:
  68 // CHECK1-NEXT:   100000:       f0ff fffe       bl      0x200000 <tfunc01>
  69 // CHECK1-NEXT:   100004:       f2ff d7fe       bl      0x1000004 <__Thumbv7ABSLongThunk_tfunc31>