lld/test/ELF/ppc64-tls-ld-le.s

   1 // REQUIRES: ppc
   2
   3 // RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %s -o %t.o
   4 // RUN: llvm-readelf -r %t.o | FileCheck --check-prefix=InputRelocs %s
   5 // RUN: ld.lld  %t.o -o %t
   6 // RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck --check-prefix=Dis %s
   7 // RUN: llvm-readelf -r %t | FileCheck --check-prefix=OutputRelocs %s
   8
   9 // RUN: llvm-mc -filetype=obj -triple=powerpc64-unknown-linux %s -o %t.o
  10 // RUN: llvm-readelf -r %t.o | FileCheck --check-prefix=InputRelocs %s
  11 // RUN: ld.lld  %t.o -o %t
  12 // RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck --check-prefix=Dis %s
  13 // RUN: llvm-readelf -r %t | FileCheck --check-prefix=OutputRelocs %s
  14
  15         .text
  16         .abiversion 2
  17         .globl  _start                    # -- Begin function _start
  18         .p2align        4
  19         .type   _start,@function
  20 _start:                                   # @_start
  21 .Lfunc_begin0:
  22 .Lfunc_gep0:
  23         addis 2, 12, .TOC.-.Lfunc_gep0@ha
  24         addi 2, 2, .TOC.-.Lfunc_gep0@l
  25 .Lfunc_lep0:
  26         .localentry     _start, .Lfunc_lep0-.Lfunc_gep0
  27 # %bb.0:                                # %entry
  28         mflr 0
  29         std 31, -8(1)
  30         std 0, 16(1)
  31         stdu 1, -64(1)
  32         mr 31, 1
  33         std 30, 48(31)                  # 8-byte Folded Spill
  34         li 3, 0
  35         stw 3, 44(31)
  36         addis 3, 2, a@got@tlsld@ha
  37         addi 3, 3, a@got@tlsld@l
  38         bl __tls_get_addr(a@tlsld)
  39         nop
  40         addis 3, 3, a@dtprel@ha
  41         addi 3, 3, a@dtprel@l
  42         lwz 30, 0(3)
  43         extsw 3, 30
  44         ld 30, 48(31)                   # 8-byte Folded Reload
  45         addi 1, 1, 64
  46         ld 0, 16(1)
  47         ld 31, -8(1)
  48         mtlr 0
  49         blr
  50         .long   0
  51         .quad   0
  52 .Lfunc_end0:
  53         .size   _start, .Lfunc_end0-.Lfunc_begin0
  54                                         # -- End function
  55
  56         .type   a,@object               # @a
  57         .section        .tdata,"awT",@progbits
  58         .p2align        2
  59 a:
  60         .long   2                       # 0x2
  61         .size   a, 4
  62
  63 // Verify that the input has local-dynamic tls relocation types
  64 // InputRelocs:  Relocation section '.rela.text'
  65 // InputRelocs: R_PPC64_GOT_TLSLD16_HA  {{0+}}  a + 0
  66 // InputRelocs: R_PPC64_GOT_TLSLD16_LO  {{0+}}  a + 0
  67 // InputRelocs: R_PPC64_TLSLD           {{0+}}  a + 0
  68
  69 // Verify that the local-dynamic sequence is relaxed to local exec.
  70 // Dis: <_start>:
  71 // Dis: nop
  72 // Dis: addis 3, 13, 0
  73 // Dis: nop
  74 // Dis: addi 3, 3, 4096
  75
  76 // #ha(a@dtprel) --> (0x0 -0x8000 + 0x8000) >> 16 = 0
  77 // #lo(a@dtprel) --> (0x0 -0x8000) = -0x8000 = -32768
  78 // Dis: addis 3, 3, 0
  79 // Dis: addi 3, 3, -32768
  80
  81 // Verify that no local-dynamic relocations exist for the dynamic linker.
  82 // OutputRelocs-NOT: R_PPC64_DTPMOD64