llvm/test/ExecutionEngine/JITLink/RISCV/ELF_pc_indirect.s

   1 # RUN: rm -rf %t && mkdir -p %t
   2 # RUN: llvm-mc -triple=riscv64 -position-independent -filetype=obj -o %t/elf_riscv64_sm_pic_reloc.o %s
   3 # RUN: llvm-mc -triple=riscv32 -position-independent -filetype=obj -o %t/elf_riscv32_sm_pic_reloc.o %s
   4 # RUN: llvm-jitlink -noexec -slab-allocate 100Kb -slab-address 0xfff00000 \
   5 # RUN:      -define-abs external_func=0x1 -define-abs external_data=0x2 \
   6 # RUN:              -check %s %t/elf_riscv64_sm_pic_reloc.o
   7 # RUN: llvm-jitlink -noexec -slab-allocate 100Kb -slab-address 0xfff00000\
   8 # RUN:      -define-abs external_func=0x1 -define-abs external_data=0x2 \
   9 # RUN:              -check %s %t/elf_riscv32_sm_pic_reloc.o
  10 #
  11 # Test ELF small/PIC relocations
  12
  13         .text
  14         .file   "testcase.c"
  15
  16 # Empty main entry point.
  17         .globl  main
  18         .p2align  1
  19         .type   main,@function
  20 main:
  21         ret
  22
  23         .size   main, .-main
  24
  25 # Test R_RISCV_PCREL_HI20 and R_RISCV_PCREL_LO
  26 # jitlink-check: decode_operand(test_pcrel32, 1) = ((external_data - test_pcrel32) + 0x800)[31:12]
  27 # jitlink-check: decode_operand(test_pcrel32+4, 2)[11:0] = (external_data - test_pcrel32)[11:0]
  28         .globl  test_pcrel32
  29         .p2align  1
  30         .type   test_pcrel32,@function
  31 test_pcrel32:
  32         auipc a0, %pcrel_hi(external_data)
  33         lw  a0, %pcrel_lo(test_pcrel32)(a0)
  34
  35         .size   test_pcrel32, .-test_pcrel32
  36
  37 # Test R_RISCV_CALL
  38 # jitlink-check: decode_operand(test_call, 1) = ((external_func - test_call) + 0x800)[31:12]
  39 # jitlink-check: decode_operand(test_call+4, 2)[11:0] = (external_func - test_call)[11:0]
  40         .globl test_call
  41         .p2align  1
  42         .type  test_call,@function
  43 test_call:
  44         call external_func
  45         ret
  46         .size test_call, .-test_call