lld/test/ELF/arm-branch-rangethunk.s

   1 // REQUIRES: arm
   2 // RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=armv7a-none-linux-gnueabi %s -o %t
   3 // RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=armv7a-none-linux-gnueabi %S/Inputs/far-arm-abs.s -o %tfar
   4 // RUN: ld.lld  %t %tfar -o %t2
   5 // RUN: llvm-objdump -d --no-show-raw-insn --triple=armv7a-none-linux-gnueabi %t2 | FileCheck --check-prefix=SHORT %s
   6 // RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=armv7a-none-linux-gnueabi %S/Inputs/far-long-arm-abs.s -o %tfarlong
   7 // RUN: ld.lld  %t %tfarlong -o %t3
   8 // RUN: llvm-objdump -d --no-show-raw-insn --triple=armv7a-none-linux-gnueabi %t3 | FileCheck --check-prefix=LONG %s
   9  .syntax unified
  10  .section .text, "ax",%progbits
  11  .globl _start
  12  .balign 0x10000
  13  .type _start,%function
  14 _start:
  15  /// address of too_far symbols are just out of range of ARM branch with
  16  /// 26-bit immediate field and an addend of -8
  17  bl  too_far1
  18  b   too_far2
  19  beq too_far3
  20
  21 // SHORT: 00030000 <_start>:
  22 // SHORT-NEXT:    30000: bl      0x3000c <__ARMv7ABSLongThunk_too_far1>
  23 // SHORT-NEXT:    30004: b       0x30010 <__ARMv7ABSLongThunk_too_far2>
  24 // SHORT-NEXT:    30008: beq     0x30014 <__ARMv7ABSLongThunk_too_far3>
  25 // SHORT:      0003000c <__ARMv7ABSLongThunk_too_far1>:
  26 /// 0x2030008 = too_far1
  27 // SHORT-NEXT:    3000c: b       0x2030008
  28 // SHORT:      00030010 <__ARMv7ABSLongThunk_too_far2>:
  29 /// 0x203000c = too_far2
  30 // SHORT-NEXT:    30010: b       0x203000c
  31 // SHORT:      00030014 <__ARMv7ABSLongThunk_too_far3>:
  32 /// 0x2030010 = too_far3
  33 // SHORT-NEXT:    30014: b       0x2030010
  34
  35 // LONG:      00030000 <_start>:
  36 // LONG-NEXT:    30000: bl      0x3000c <__ARMv7ABSLongThunk_too_far1>
  37 // LONG-NEXT:    30004: b       0x30018 <__ARMv7ABSLongThunk_too_far2>
  38 // LONG-NEXT:    30008: beq     0x30024 <__ARMv7ABSLongThunk_too_far3>
  39 // LONG:      0003000c <__ARMv7ABSLongThunk_too_far1>:
  40 // LONG-NEXT:    3000c: movw    r12, #20
  41 // LONG-NEXT:    30010: movt    r12, #515
  42 // LONG-NEXT:    30014: bx      r12
  43 // LONG:      00030018 <__ARMv7ABSLongThunk_too_far2>:
  44 // LONG-NEXT:    30018: movw    r12, #32
  45 // LONG-NEXT:    3001c: movt    r12, #515
  46 // LONG-NEXT:    30020: bx      r12
  47 // LONG:      00030024 <__ARMv7ABSLongThunk_too_far3>:
  48 // LONG-NEXT:    30024: movw    r12, #44
  49 // LONG-NEXT:    30028: movt    r12, #515
  50 // LONG-NEXT:    3002c: bx      r12