lld/test/ELF/dynamic-list-preempt2.s

   1 # REQUIRES: x86
   2
   3 # RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o
   4 # RUN: ld.lld %t.o -shared -soname=t.so -o %t.so
   5 # RUN: echo '{ foo; };' > %t.list
   6 # RUN: ld.lld %t.o %t.so -shared --dynamic-list %t.list -o %t
   7 # RUN: llvm-readelf --dyn-syms %t | FileCheck --check-prefix=SYM %s
   8 # RUN: llvm-readobj -r %t | FileCheck --check-prefix=REL %s
   9
  10 ## foo and bar interpose symbols in another DSO, so both are exported,
  11 ## even if --dynamic-list specifies only foo.
  12
  13 # SYM-DAG: bar
  14 # SYM-DAG: foo
  15
  16 ## bar is not specified in --dynamic-list, so it is not preemptable when
  17 ## producing a DSO, and its PLT does not have an associated JUMP_SLOT.
  18
  19 # REL:      .rela.plt {
  20 # REL-NEXT:   R_X86_64_JUMP_SLOT foo 0x0
  21 # REL-NEXT: }
  22
  23 .globl foo, bar
  24 foo:
  25 bar:
  26   ret
  27
  28 call foo@PLT
  29 call bar@PLT