lld/test/ELF/arm-exidx-script-order.s

   1 // REQUIRES: arm
   2 // RUN: llvm-mc --arm-add-build-attributes --triple=armv7a-linux-gnueabihf -filetype=obj %s -o %t.o
   3 // RUN: echo "SECTIONS { \
   4 // RUN:         . = 0x80000000; \
   5 // RUN:         .ARM.exidx : { *(.ARM.exidx) } \
   6 // RUN:         .text : { *(.text) } \
   7 // RUN:         .text.1 0x80000200 : AT(0x1000) { *(.text.1) } \
   8 // RUN:         .text.2 0x80000100 : AT(0x2000) { *(.text.2) } \
   9 // RUN: } " > %t.script
  10 // RUN: ld.lld --script %t.script %t.o -o %t
  11 // RUN: llvm-readobj -x .ARM.exidx %t | FileCheck %s
  12
  13 /// When a linker script does not have monotonically increasing addresses
  14 /// the .ARM.exidx table should still be in monotonically increasing order.
  15
  16 // CHECK: Hex dump of section '.ARM.exidx':
  17 // 0x80000000 + 0x28 = 0x80000028, 0x80000008 + 0xf8 = 0x80000100
  18 // CHECK-NEXT: 0x80000000 24000000 08849780 f8000000 20849980
  19 // 0x80000010 + 0x1f0 = 0x8000200, 0x80000018 + 0x1ec = 0x8000204
  20 // CHECK-NEXT: 0x80000010 f0010000 10849880 ec010000 01000000
  21
  22  .text
  23  .global _start
  24  .type _start, %function
  25 _start:
  26  .fnstart
  27  bx lr
  28  .save {r7, lr}
  29  .setfp r7, sp, #0
  30  .fnend
  31
  32  .section .text.1, "ax", %progbits
  33  .global fn1
  34  .type fn1, %function
  35 fn1:
  36  .fnstart
  37  bx lr
  38  .save {r8, lr}
  39  .setfp r8, sp, #0
  40  .fnend
  41
  42  .section .text.2, "ax", %progbits
  43  .global fn2
  44  .type fn2, %function
  45 fn2:
  46  .fnstart
  47  bx lr
  48  .save {r9, lr}
  49  .setfp r9, sp, #0
  50  .fnend
  51
  52 /// Dummy definition for a reference from the personality routine created by
  53 /// the assembler, use .data to avoid generating a cantunwind table.
  54  .section .rodata
  55  .global __aeabi_unwind_cpp_pr0
  56 __aeabi_unwind_cpp_pr0:
  57  .word 0