lld/test/ELF/aarch64-gnu-ifunc-nonpreemptable2.s

   1 # REQUIRES: aarch64
   2 # RUN: llvm-mc -filetype=obj -triple=aarch64-none-linux-gnu %s -o %t.o
   3 # RUN: ld.lld %t.o -o %t
   4 # RUN: llvm-readelf -S -s %t | FileCheck %s --check-prefix=SEC
   5 # RUN: llvm-readelf -x .rodata -x .data %t | FileCheck --check-prefix=HEX %s
   6 # RUN: llvm-readobj -r %t | FileCheck %s --check-prefix=RELOC
   7
   8 ## ifunc is a non-preemptable STT_GNU_IFUNC. Check we create a canonical PLT
   9 ## and redirect .rodata and .data references to it.
  10
  11 # SEC: .text    PROGBITS 0000000000210178
  12 # SEC: .got.plt PROGBITS 0000000000220198
  13 # SEC: 0000000000210180 0 FUNC GLOBAL DEFAULT 4 ifunc
  14
  15 ## .rodata[0] and .data[0] store the address of the canonical PLT.
  16 # HEX:      section '.rodata':
  17 # HEX-NEXT: 0x00200170 80012100 00000000
  18 # HEX:      section '.data':
  19 # HEX-NEXT: 0x00220190 80012100 00000000
  20
  21 # RELOC:      .rela.dyn {
  22 # RELOC-NEXT:   0x220198 R_AARCH64_IRELATIVE - 0x210178
  23 # RELOC-NEXT: }
  24
  25 .globl ifunc
  26 .type ifunc,@gnu_indirect_function
  27 ifunc:
  28   ret
  29
  30 .rodata
  31 .p2align 3
  32 .xword ifunc
  33
  34 .data
  35 .p2align 3
  36 .xword ifunc