lld/test/ELF/ppc64-local-entry.s

   1 # REQUIRES: ppc
   2
   3 # RUN: llvm-mc -filetype=obj -triple=powerpc64 %s -o %t
   4 # RUN: ld.lld -r %t -o %t2
   5 # RUN: llvm-objdump -s --section=.symtab %t2 | FileCheck %s
   6
   7 .text
   8 .abiversion 2
   9 .globl  _start
  10 .p2align        2
  11 .type   _start,@function
  12
  13 _start:
  14 .Lfunc_begin0:
  15 .Lfunc_gep0:
  16         addis 2, 12, .TOC.-.Lfunc_gep0@ha
  17         addi 2, 2, .TOC.-.Lfunc_gep0@l
  18 .Lfunc_lep0:
  19         .localentry     _start, .Lfunc_lep0-.Lfunc_gep0
  20         # The code below is not important, it just needs to access some
  21         # global data or function, in order to use the TOC.
  22         # In this case, it performs the following:
  23         # g += 10;
  24         # Also note that this code is not intended to be run, but only
  25         # to check if the linker will preserve the localentry info.
  26         addis 3, 2, g@toc@ha
  27         addi 3, 3, g@toc@l
  28         lwz 4, 0(3)
  29         addi 4, 4, 10
  30         stw 4, 0(3)
  31         blr
  32         .long   0
  33         .quad   0
  34 .Lfunc_end0:
  35         .size   _start, .Lfunc_end0-.Lfunc_begin0
  36
  37         .type   g,@object               # @g
  38         .lcomm  g,4,4
  39
  40 // We expect the st_other byte to be 0x60:
  41 // localentry = 011 (gep + 2 instructions), reserved = 000,
  42 // visibility = 00 (STV_DEFAULT)
  43 // Currently, llvm-objdump does not support displaying
  44 // st_other's PPC64 specific flags, thus we check the
  45 // result of the hexdump of .symtab section.
  46
  47 // CHECK: 0060 00000003 12600001 00000000 00000000