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

   1 // REQUIRES: arm
   2 // RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=armv7a-none-linux-gnueabi %s -o %t
   3 // RUN: echo "SECTIONS { \
   4 // RUN:       . = SIZEOF_HEADERS; \
   5 // RUN:       .text_low : { *(.text_low) *(.text_low2) } \
   6 // RUN:       .text_high 0x2000000 : { *(.text_high) *(.text_high2) } \
   7 // RUN:       } " > %t.script
   8 // RUN: ld.lld --no-rosegment --script %t.script %t -o %t2
   9 // RUN: llvm-objdump --no-print-imm-hex -d %t2 | FileCheck %s
  10
  11 // RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=armv7aeb-none-linux-gnueabi -mcpu=cortex-a8 %s -o %t
  12 // RUN: ld.lld --no-rosegment --script %t.script %t -o %t2
  13 // RUN: llvm-objdump --no-print-imm-hex -d %t2 | FileCheck %s
  14 // RUN: ld.lld --be8 --no-rosegment --script %t.script %t -o %t2
  15 // RUN: llvm-objdump --no-print-imm-hex -d %t2 | FileCheck %s
  16
  17 // Simple test that we can support range extension thunks with linker scripts
  18  .syntax unified
  19  .section .text_low, "ax", %progbits
  20  .thumb
  21  .globl _start
  22 _start: bx lr
  23  .globl low_target
  24  .type low_target, %function
  25 low_target:
  26  bl high_target
  27  bl high_target2
  28
  29  .section .text_low2, "ax", %progbits
  30  .thumb
  31  .globl low_target2
  32  .type low_target2, %function
  33 low_target2:
  34  bl high_target
  35  bl high_target2
  36
  37 // CHECK: Disassembly of section .text_low:
  38 // CHECK-EMPTY:
  39 // CHECK-NEXT: <_start>:
  40 // CHECK-NEXT:       94:        4770    bx      lr
  41 // CHECK: <low_target>:
  42 // CHECK-NEXT:       96:        f000 f803       bl      0xa0 <__Thumbv7ABSLongThunk_high_target>
  43 // CHECK-NEXT:       9a:        f000 f806       bl      0xaa <__Thumbv7ABSLongThunk_high_target2>
  44 // CHECK: <__Thumbv7ABSLongThunk_high_target>:
  45 // CHECK-NEXT:       a0:        f240 0c01       movw    r12, #1
  46 // CHECK-NEXT:       a4:        f2c0 2c00       movt    r12, #512
  47 // CHECK-NEXT:       a8:        4760    bx      r12
  48 // CHECK: <__Thumbv7ABSLongThunk_high_target2>:
  49 // CHECK-NEXT:       aa:        f240 0c1d       movw    r12, #29
  50 // CHECK-NEXT:       ae:        f2c0 2c00       movt    r12, #512
  51 // CHECK-NEXT:       b2:        4760    bx      r12
  52 // CHECK: <low_target2>:
  53 // CHECK-NEXT:       b4:        f7ff fff4       bl      0xa0 <__Thumbv7ABSLongThunk_high_target>
  54 // CHECK-NEXT:       b8:        f7ff fff7       bl      0xaa <__Thumbv7ABSLongThunk_high_target2>
  55
  56  .section .text_high, "ax", %progbits
  57  .thumb
  58  .globl high_target
  59  .type high_target, %function
  60 high_target:
  61  bl low_target
  62  bl low_target2
  63
  64  .section .text_high2, "ax", %progbits
  65  .thumb
  66  .globl high_target2
  67  .type high_target2, %function
  68 high_target2:
  69  bl low_target
  70  bl low_target2
  71
  72 // CHECK: Disassembly of section .text_high:
  73 // CHECK-EMPTY:
  74 // CHECK-NEXT: <high_target>:
  75 // CHECK-NEXT:  2000000:        f000 f802       bl      0x2000008 <__Thumbv7ABSLongThunk_low_target>
  76 // CHECK-NEXT:  2000004:        f000 f805       bl      0x2000012 <__Thumbv7ABSLongThunk_low_target2>
  77 // CHECK: <__Thumbv7ABSLongThunk_low_target>:
  78 // CHECK-NEXT:  2000008:        f240 0c97       movw    r12, #151
  79 // CHECK-NEXT:  200000c:        f2c0 0c00       movt    r12, #0
  80 // CHECK-NEXT:  2000010:        4760    bx      r12
  81 // CHECK: <__Thumbv7ABSLongThunk_low_target2>:
  82 // CHECK-NEXT:  2000012:        f240 0cb5       movw    r12, #181
  83 // CHECK-NEXT:  2000016:        f2c0 0c00       movt    r12, #0
  84 // CHECK-NEXT:  200001a:        4760    bx      r12
  85 // CHECK: <high_target2>:
  86 // CHECK-NEXT:  200001c:        f7ff fff4       bl      0x2000008 <__Thumbv7ABSLongThunk_low_target>
  87 // CHECK-NEXT:  2000020:        f7ff fff7       bl      0x2000012 <__Thumbv7ABSLongThunk_low_target2>