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

   1 # REQUIRES: ppc
   2
   3 # RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %s -o %t.o
   4 # RUN: ld.lld %t.o -o %t
   5 # RUN: llvm-nm %t | FileCheck --check-prefix=NM %s
   6 # RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s
   7
   8 # RUN: llvm-mc -filetype=obj -triple=powerpc64-unknown-linux %s -o %t.o
   9 # RUN: ld.lld %t.o -o %t
  10 # RUN: llvm-nm %t | FileCheck --check-prefix=NM %s
  11 # RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s
  12
  13 .text
  14 .abiversion 2
  15 .globl  _start
  16 .p2align        4
  17 .type   _start,@function
  18
  19 _start:
  20 .Lfunc_begin0:
  21 .Lfunc_gep0:
  22   lis   4, .Lfunc_gep0@ha
  23   addi  4, 4, .Lfunc_gep0@l
  24   # now r4 should contain the address of _start
  25
  26   lis   5, .TOC.-.Lfunc_gep0@ha   # R_PPC64_REL16_HA
  27   addi  5, 5, .TOC.-.Lfunc_gep0@l # R_PPC64_REL16_LO
  28   # now r5 should contain the offset s.t. r4 + r5 = TOC base
  29
  30   # exit 55
  31   li    0, 1
  32   li    3, 55
  33   sc
  34 .Lfunc_end0:
  35     .size   _start, .Lfunc_end0-.Lfunc_begin0
  36
  37 # NM-DAG: 00000000100281f0 d .TOC.
  38 # NM-DAG: 00000000100101d0 T _start
  39
  40 # 0x100101d0 = (4097<<16) + 464
  41 # CHECK:      100101d0:       lis 4, 4097
  42 # CHECK-NEXT: 100101d4:       addi 4, 4, 464
  43 # .TOC. - _start = (2<<16) - 32736
  44 # CHECK-NEXT: 100101d8:       lis 5, 2
  45 # CHECK-NEXT: 100101dc:       addi 5, 5, -32736