lld/test/MachO/abs-duplicate.s

   1 # REQUIRES: x86
   2 # RUN: rm -rf %t; split-file %s %t
   3 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/test.s -o %t/test.o
   4 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/weakfoo.s -o %t/weakfoo.o
   5 # RUN: not %lld -lSystem %t/test.o %t/weakfoo.o -o /dev/null 2>&1 | FileCheck %s
   6
   7 # CHECK:      error: duplicate symbol: _weakfoo
   8 # CHECK-NEXT: >>> defined in {{.*}}/test.o
   9 # CHECK-NEXT: >>> defined in {{.*}}/weakfoo.o
  10
  11 ## Duplicate absolute symbols that will be dead stripped later should not fail.
  12 # RUN: %lld -lSystem -dead_strip --dead-strip-duplicates -map %t/stripped-duplicate-map \
  13 # RUN:     %t/test.o %t/weakfoo.o -o %t/test
  14 # RUN: llvm-objdump --syms %t/test | FileCheck %s --check-prefix=DUP
  15 # DUP-LABEL: SYMBOL TABLE:
  16 # DUP-NEXT:   g F __TEXT,__text _main
  17 # DUP-NEXT:   g F __TEXT,__text __mh_execute_header
  18 # DUP-NEXT:   *UND* dyld_stub_binder
  19
  20 ## Dead stripped non-section symbols don't show up in map files because there's no input section.
  21 ## Check that _weakfoo doesn't show up. This matches ld64.
  22 # RUN: FileCheck --check-prefix=DUPMAP %s < %t/stripped-duplicate-map
  23 # DUPMAP: _main
  24 # DUPMAP-LABEL: Dead Stripped Symbols
  25 # DUPMAP-NOT: _weakfoo
  26
  27 #--- weakfoo.s
  28 .globl _weakfoo
  29 ## The weak attribute is ignored for absolute symbols, so we will have a
  30 ## duplicate symbol error for _weakfoo.
  31 .weak_definition _weakfoo
  32 _weakfoo = 0x1234
  33
  34 #--- test.s
  35 .globl _main, _weakfoo
  36 .weak_definition _weakfoo
  37 _weakfoo = 0x5678
  38
  39 .text
  40 _main:
  41   ret