lld/test/ELF/arm-thunk-linkerscript-orphan.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_low 0x100000 : { *(.text_low) } \
   5 // RUN:       .text_high 0x2000000 : { *(.text_high) } \
   6 // RUN:       .data : { *(.data) } \
   7 // RUN:       }" > %t.script
   8 // RUN: ld.lld --script %t.script %t -o %t2
   9 // RUN: llvm-objdump --no-print-imm-hex -d %t2 | FileCheck %s
  10  .syntax unified
  11  .section .text_low, "ax", %progbits
  12  .thumb
  13  .globl _start
  14 _start: bx lr
  15  .globl low_target
  16  .type low_target, %function
  17 low_target:
  18  bl high_target
  19  bl orphan_target
  20 // CHECK: Disassembly of section .text_low:
  21 // CHECK-EMPTY:
  22 // CHECK-NEXT: <_start>:
  23 // CHECK-NEXT:   100000:        4770    bx      lr
  24 // CHECK: <low_target>:
  25 // CHECK-NEXT:   100002:        f000 f803       bl      0x10000c <__Thumbv7ABSLongThunk_high_target>
  26 // CHECK-NEXT:   100006:        f000 f806       bl      0x100016 <__Thumbv7ABSLongThunk_orphan_target>
  27 // CHECK: <__Thumbv7ABSLongThunk_high_target>:
  28 // CHECK-NEXT:   10000c:        f240 0c01       movw    r12, #1
  29 // CHECK-NEXT:   100010:        f2c0 2c00       movt    r12, #512
  30 // CHECK-NEXT:   100014:        4760    bx      r12
  31 // CHECK: <__Thumbv7ABSLongThunk_orphan_target>:
  32 // CHECK-NEXT:   100016:        f240 0c15       movw    r12, #21
  33 // CHECK-NEXT:   10001a:        f2c0 2c00       movt    r12, #512
  34 // CHECK-NEXT:   10001e:        4760    bx      r12
  35   .section .text_high, "ax", %progbits
  36  .thumb
  37  .globl high_target
  38  .type high_target, %function
  39 high_target:
  40  bl low_target
  41  bl orphan_target
  42 // CHECK: Disassembly of section .text_high:
  43 // CHECK-EMPTY:
  44 // CHECK-NEXT: <high_target>:
  45 // CHECK-NEXT:  2000000:        f000 f802       bl      0x2000008 <__Thumbv7ABSLongThunk_low_target>
  46 // CHECK-NEXT:  2000004:        f000 f806       bl      0x2000014 <orphan_target>
  47 // CHECK: <__Thumbv7ABSLongThunk_low_target>:
  48 // CHECK-NEXT:  2000008:        f240 0c03       movw    r12, #3
  49 // CHECK-NEXT:  200000c:        f2c0 0c10       movt    r12, #16
  50 // CHECK-NEXT:  2000010:        4760    bx      r12
  51
  52  .section orphan, "ax", %progbits
  53  .thumb
  54  .globl orphan_target
  55  .type orphan_target, %function
  56 orphan_target:
  57  bl low_target
  58  bl high_target
  59 // CHECK: Disassembly of section orphan:
  60 // CHECK-EMPTY:
  61 // CHECK-NEXT: <orphan_target>:
  62 // CHECK-NEXT:  2000014:        f7ff fff8       bl      0x2000008 <__Thumbv7ABSLongThunk_low_target>
  63 // CHECK-NEXT:  2000018:        f7ff fff2       bl      0x2000000 <high_target>
  64
  65  .data
  66  .word 10