lld/test/ELF/ppc64-undefined-weak.s

   1 # REQUIRES: ppc
   2
   3 # RUN: llvm-mc -filetype=obj -triple=powerpc64le %s -o %t.o
   4 # RUN: ld.lld %t.o -o %t
   5 # RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s --check-prefix=PDE
   6 # RUN: ld.lld -pie %t.o -o %t
   7 # RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s --check-prefix=PIC
   8 # RUN: ld.lld -shared %t.o -o %t.so
   9 # RUN: llvm-objdump -d --no-show-raw-insn %t.so | FileCheck %s --check-prefix=PIC
  10
  11 # RUN: llvm-mc -filetype=obj -triple=powerpc64 %s -o %t.o
  12 # RUN: ld.lld %t.o -o %t
  13 # RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s --check-prefix=PDE
  14
  15 ## Branches to an undefined weak symbol need a thunk iff a dynamic relocation is
  16 ## produced. undefweak2 is hidden and does not need a dynamic relocation, so we
  17 ## suppress the thunk. undefweak1 needs a thunk iff -pie or -shared.
  18
  19 # PDE-LABEL: <_start>:
  20 # PDE-NEXT:    bl {{.*}} <_start>
  21 # PDE-NEXT:    nop
  22 # PDE-NEXT:    bl {{.*}} <_start+0x8>
  23 # PDE-NEXT:    nop
  24
  25 # PIC-LABEL: <_start>:
  26 # PIC-NEXT:    bl {{.*}} <__plt_undefweak1>
  27 # PIC-NEXT:    ld 2, 24(1)
  28 # PIC-NEXT:    bl {{.*}} <_start+0x8>
  29 # PIC-NEXT:    nop
  30
  31 .text
  32 .global _start
  33 _start:
  34   bl undefweak1
  35   nop
  36   bl undefweak2
  37   nop
  38
  39 .weak undefweak1, undefweak2
  40 .hidden undefweak2