lld/test/ELF/riscv-ifunc-nonpreemptible.s

   1 # REQUIRES: riscv
   2 # RUN: llvm-mc -filetype=obj -triple=riscv32 %s -o %t.32.o
   3 # RUN: ld.lld -pie %t.32.o -o %t.32
   4 # RUN: ld.lld -pie %t.32.o -o %t.32-apply --apply-dynamic-relocs
   5 # RUN: llvm-readobj -r -x .got.plt %t.32 | FileCheck --check-prefixes=RELOC32,NO-APPLY-RELOC32 %s
   6 # RUN: llvm-readobj -r -x .got.plt %t.32-apply | FileCheck --check-prefixes=RELOC32,APPLY-RELOC32 %s
   7 # RUN: llvm-readelf -s %t.32 | FileCheck --check-prefix=SYM32 %s
   8 # RUN: llvm-objdump -d --no-show-raw-insn %t.32 | FileCheck --check-prefix=DIS32 %s
   9
  10 # RUN: llvm-mc -filetype=obj -triple=riscv64 %s -o %t.64.o
  11 # RUN: ld.lld -pie %t.64.o -o %t.64
  12 # RUN: ld.lld -pie %t.64.o -o %t.64-apply --apply-dynamic-relocs
  13 # RUN: llvm-readobj -r -x .got.plt %t.64 | FileCheck --check-prefixes=RELOC64,NO-APPLY-RELOC64 %s
  14 # RUN: llvm-readobj -r -x .got.plt %t.64-apply | FileCheck --check-prefixes=RELOC64,APPLY-RELOC64 %s
  15 # RUN: llvm-readelf -s %t.64 | FileCheck --check-prefix=SYM64 %s
  16 # RUN: llvm-objdump -d --no-show-raw-insn %t.64 | FileCheck --check-prefix=DIS64 %s
  17
  18 # RELOC32:      .rela.dyn {
  19 # RELOC32-NEXT:   0x3200 R_RISCV_IRELATIVE - 0x117C
  20 # RELOC32-NEXT: }
  21 # RELOC32-LABEL:    Hex dump of section '.got.plt':
  22 # NO-APPLY-RELOC32: 0x00003200 00000000
  23 # APPLY-RELOC32:    0x00003200 7c110000
  24 # RELOC32-EMPTY:
  25
  26 # SYM32: 0001190 0 FUNC GLOBAL DEFAULT {{.*}} func
  27
  28 # DIS32:      <_start>:
  29 # DIS32-NEXT: 1180: auipc a0, 0x0
  30 # DIS32-NEXT:       addi a0, a0, 0x10
  31 # DIS32:      Disassembly of section .iplt:
  32 # DIS32:      <func>:
  33 ## 32-bit: &.got.plt[func]-. = 0x3200-0x1190 = 4096*2+0x70
  34 # DIS32-NEXT: 1190: auipc t3, 0x2
  35 # DIS32-NEXT:       lw t3, 0x70(t3)
  36 # DIS32-NEXT:       jalr t1, t3
  37 # DIS32-NEXT:       nop
  38
  39 # RELOC64:      .rela.dyn {
  40 # RELOC64-NEXT:   0x3340 R_RISCV_IRELATIVE - 0x1260
  41 # RELOC64-NEXT: }
  42 # RELOC64-LABEL:    Hex dump of section '.got.plt':
  43 # NO-APPLY-RELOC64: 0x00003340 00000000 00000000
  44 # APPLY-RELOC64:    0x00003340 60120000 00000000
  45 # RELOC64-EMPTY:
  46
  47 # SYM64: 000000000001270 0 FUNC GLOBAL DEFAULT {{.*}} func
  48
  49 # DIS64:      <_start>:
  50 # DIS64-NEXT: 1264: auipc a0, 0x0
  51 # DIS64-NEXT:       addi a0, a0, 0xc
  52 # DIS64:      Disassembly of section .iplt:
  53 # DIS64:      <func>:
  54 ## 64-bit: &.got.plt[func]-. = 0x3340-0x1270 = 4096*2+0xd0
  55 # DIS64-NEXT: 1270: auipc t3, 0x2
  56 # DIS64-NEXT:       ld t3, 0xd0(t3)
  57 # DIS64-NEXT:       jalr t1, t3
  58 # DIS64-NEXT:       nop
  59
  60 .text
  61 .globl func
  62 .type func, @gnu_indirect_function
  63 func:
  64   ret
  65
  66 .globl _start
  67 _start:
  68 .L:
  69   auipc a0, %pcrel_hi(func)
  70   addi a0, a0, %pcrel_lo(.L)