lld/test/ELF/arm-thumb-plt-range-thunk-os.s

   1 // REQUIRES: arm
   2 // RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=thumbv7a-none-linux-gnueabi %s -o %t
   3 // RUN: ld.lld %t --shared --icf=all -o %t.so
   4 // The output file is large, most of it zeroes. We dissassemble only the
   5 // parts we need to speed up the test and avoid a large output file
   6 // RUN: llvm-objdump --no-print-imm-hex -d %t.so --start-address=0x2000000 --stop-address=0x2000018 | FileCheck --check-prefix=CHECK1 %s
   7 // RUN: llvm-objdump --no-print-imm-hex -d %t.so --start-address=0x2800004 --stop-address=0x2800034 | FileCheck --check-prefix=CHECK2 %s
   8 // RUN: llvm-objdump --no-print-imm-hex -d %t.so --start-address=0x4000000 --stop-address=0x4000010 | FileCheck --check-prefix=CHECK3 %s
   9 // RUN: llvm-objdump --no-print-imm-hex -d %t.so --start-address=0x4000010 --stop-address=0x4000100 --triple=armv7a-linux-gnueabihf | FileCheck --check-prefix=CHECK4 %s
  10 // RUN: rm %t.so
  11  .syntax unified
  12  .thumb
  13
  14 // Make sure that we generate a range extension thunk to a PLT entry
  15  .section ".text.1", "ax", %progbits
  16  .global sym1
  17  .global elsewhere
  18  .type elsewhere, %function
  19  .global preemptible
  20  .type preemptible, %function
  21  .global far_preemptible
  22  .type far_preemptible, %function
  23  .global far_nonpreemptible
  24  .hidden far_nonpreemptible
  25  .type far_nonpreemptible, %function
  26  .global far_nonpreemptible_alias
  27  .hidden far_nonpreemptible_alias
  28  .type far_nonpreemptible_alias, %function
  29 sym1:
  30  bl elsewhere
  31  bl preemptible
  32  bx lr
  33 preemptible:
  34  bl far_preemptible
  35  bl far_nonpreemptible
  36  bl far_nonpreemptible_alias
  37  bx lr
  38 // CHECK1: Disassembly of section .text:
  39 // CHECK1-EMPTY:
  40 // CHECK1-NEXT: <sym1>:
  41 // CHECK1-NEXT:  2000000:       f000 d800       bl      0x2800004 <__ThumbV7PILongThunk_elsewhere>
  42 // CHECK1-NEXT:  2000004:       f000 d804       bl      0x2800010 <__ThumbV7PILongThunk_preemptible>
  43 // CHECK1-NEXT:  2000008:       4770    bx      lr
  44 // CHECK1: <preemptible>:
  45 // CHECK1-NEXT:  200000a:       f000 d807       bl      0x280001c <__ThumbV7PILongThunk_far_preemptible>
  46 // CHECK1-NEXT:  200000e:       f000 d80b       bl      0x2800028 <__ThumbV7PILongThunk_far_nonpreemptible>
  47 // CHECK1-NEXT:  2000012:       f000 d809       bl      0x2800028 <__ThumbV7PILongThunk_far_nonpreemptible>
  48 // CHECK1-NEXT:  2000016:       4770    bx      lr
  49
  50  .section .text.2, "ax", %progbits
  51  .balign 0x0800000
  52  bx lr
  53 // CHECK2: <__ThumbV7PILongThunk_elsewhere>:
  54 // CHECK2-NEXT:  2800004:       f240 0c20       movw    r12, #32
  55 // CHECK2-NEXT:  2800008:       f2c0 1c80       movt    r12, #384
  56 // CHECK2-NEXT:  280000c:       44fc    add     r12, pc
  57 // CHECK2-NEXT:  280000e:       4760    bx      r12
  58 // CHECK2: <__ThumbV7PILongThunk_preemptible>:
  59 // CHECK2-NEXT:  2800010:       f240 0c24       movw    r12, #36
  60 // CHECK2-NEXT:  2800014:       f2c0 1c80       movt    r12, #384
  61 // CHECK2-NEXT:  2800018:       44fc    add     r12, pc
  62 // CHECK2-NEXT:  280001a:       4760    bx      r12
  63 // CHECK2: <__ThumbV7PILongThunk_far_preemptible>:
  64 // CHECK2-NEXT:  280001c:       f240 0c28       movw    r12, #40
  65 // CHECK2-NEXT:  2800020:       f2c0 1c80       movt    r12, #384
  66 // CHECK2-NEXT:  2800024:       44fc    add     r12, pc
  67 // CHECK2-NEXT:  2800026:       4760    bx      r12
  68 // CHECK2: <__ThumbV7PILongThunk_far_nonpreemptible>:
  69 // CHECK2-NEXT:  2800028:       f64f 7ccd       movw    r12, #65485
  70 // CHECK2-NEXT:  280002c:       f2c0 1c7f       movt    r12, #383
  71 // CHECK2-NEXT:  2800030:       44fc    add     r12, pc
  72 // CHECK2-NEXT:  2800032:       4760    bx      r12
  73
  74  .section .text.3, "ax", %progbits
  75 .balign 0x2000000
  76 far_preemptible:
  77 far_nonpreemptible:
  78  bl elsewhere
  79
  80  .section .text.4, "ax", %progbits
  81 .balign 0x2000000
  82 far_nonpreemptible_alias:
  83  bl elsewhere
  84
  85 // CHECK3: <far_preemptible>:
  86 // CHECK3:  4000000:       f000 e816       blx     0x4000030
  87
  88 // CHECK4: Disassembly of section .plt:
  89 // CHECK4-EMPTY:
  90 // CHECK4-NEXT: <.plt>:
  91 // CHECK4-NEXT:  4000010:       e52de004        str     lr, [sp, #-4]!
  92 // CHECK4-NEXT:  4000014:       e28fe600        add     lr, pc, #0, #12
  93 // CHECK4-NEXT:  4000018:       e28eea20        add     lr, lr, #32
  94 // CHECK4-NEXT:  400001c:       e5bef0a4        ldr     pc, [lr, #164]!
  95 // CHECK4-NEXT:  4000020:       d4 d4 d4 d4     .word   0xd4d4d4d4
  96 // CHECK4-NEXT:  4000024:       d4 d4 d4 d4     .word   0xd4d4d4d4
  97 // CHECK4-NEXT:  4000028:       d4 d4 d4 d4     .word   0xd4d4d4d4
  98 // CHECK4-NEXT:  400002c:       d4 d4 d4 d4     .word   0xd4d4d4d4
  99 // CHECK4-NEXT:  4000030:       e28fc600        add     r12, pc, #0, #12
 100 // CHECK4-NEXT:  4000034:       e28cca20        add     r12, r12, #32
 101 // CHECK4-NEXT:  4000038:       e5bcf08c        ldr     pc, [r12, #140]!
 102 // CHECK4-NEXT:  400003c:       d4 d4 d4 d4     .word   0xd4d4d4d4
 103 // CHECK4-NEXT:  4000040:       e28fc600        add     r12, pc, #0, #12
 104 // CHECK4-NEXT:  4000044:       e28cca20        add     r12, r12, #32
 105 // CHECK4-NEXT:  4000048:       e5bcf080        ldr     pc, [r12, #128]!
 106 // CHECK4-NEXT:  400004c:       d4 d4 d4 d4     .word   0xd4d4d4d4
 107 // CHECK4-NEXT:  4000050:       e28fc600        add     r12, pc, #0, #12
 108 // CHECK4-NEXT:  4000054:       e28cca20        add     r12, r12, #32
 109 // CHECK4-NEXT:  4000058:       e5bcf074        ldr     pc, [r12, #116]!
 110 // CHECK4-NEXT:  400005c:       d4 d4 d4 d4     .word   0xd4d4d4d4