lld/test/ELF/loongarch-pcala-lo12-jirl-shared.s

   1 # REQUIRES: loongarch
   2 # RUN: rm -rf %t && split-file %s %t
   3
   4 # RUN: llvm-mc --filetype=obj --triple=loongarch32-unknown-elf %t/a.s -o %t/a.la32.o
   5 # RUN: llvm-mc --filetype=obj --triple=loongarch64-unknown-elf %t/a.s -o %t/a.la64.o
   6
   7 # RUN: ld.lld %t/a.la32.o -shared -T %t/a.t -o %t/a.la32.so
   8 # RUN: ld.lld %t/a.la64.o -shared -T %t/a.t -o %t/a.la64.so
   9
  10 # RUN: llvm-objdump -d --no-show-raw-insn %t/a.la32.so | FileCheck --check-prefixes=DIS,DIS32 %s
  11 # RUN: llvm-objdump -d --no-show-raw-insn %t/a.la64.so | FileCheck --check-prefixes=DIS,DIS64 %s
  12
  13 ## PLT should be present in this case.
  14 # DIS:        Disassembly of section .plt:
  15 # DIS:        <.plt>:
  16 # DIS:        234020: pcaddu12i $t3, 510
  17 # DIS32-NEXT:         ld.w $t3, $t3, 84
  18 # DIS64-NEXT:         ld.d $t3, $t3, 184
  19 # DIS-NEXT:           jirl $t1, $t3, 0
  20 # DIS-NEXT:           nop
  21
  22 # DIS:      Disassembly of section .text:
  23 # DIS:      <foo>:
  24 # DIS-NEXT: nop
  25 # DIS-NEXT: nop
  26 # DIS-NEXT: nop
  27 # DIS-NEXT: pcalau12i $t0, -510
  28 # DIS-NEXT: jirl $zero, $t0, 32
  29
  30 # RUN: llvm-mc --filetype=obj --triple=loongarch32-unknown-elf %t/error.s -o %t/error.la32.o
  31 # RUN: llvm-mc --filetype=obj --triple=loongarch64-unknown-elf %t/error.s -o %t/error.la64.o
  32 # RUN: not ld.lld %t/error.la32.o -shared -o %t/error.la32.so 2>&1 | FileCheck --check-prefix=ERR %s
  33 # RUN: not ld.lld %t/error.la64.o -shared -o %t/error.la64.so 2>&1 | FileCheck --check-prefix=ERR %s
  34 # ERR: error: relocation R_LARCH_PCALA_LO12 cannot be used against symbol 'bar'; recompile with -fPIC
  35
  36 #--- a.t
  37 SECTIONS {
  38  .plt   0x234000: { *(.plt) }
  39  .text  0x432000: { *(.text) }
  40 }
  41
  42 #--- a.s
  43 .p2align 12
  44 .global foo
  45 foo:
  46 ## The nops are for pushing the relocs off page boundary, to better see the
  47 ## page-aligned semantics in action.
  48     nop
  49     nop
  50     nop
  51     ## The offsets should be -510 (0x234 - 0x432) and 32 (PLT header size + 0)
  52     ## respectively.
  53     pcalau12i   $t0, %pc_hi20(bar)
  54     jirl        $zero, $t0, %pc_lo12(bar)
  55
  56 #--- error.s
  57 .global foo
  58 foo:
  59     pcalau12i   $t0, %pc_hi20(bar)
  60     ld.w        $t0, $t0, %pc_lo12(bar)