lld/test/MachO/weak-definition-over-dysym.s

   1 # REQUIRES: x86
   2 # RUN: rm -rf %t; split-file %s %t
   3
   4 ## This test demonstrates that when an archive file is fetched, its symbols
   5 ## always override any conflicting dylib symbols, regardless of any weak
   6 ## definition flags.
   7
   8 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/test.s -o %t/test.o
   9 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/libfoo.s -o %t/libfoo.o
  10 # RUN: %lld -dylib -install_name @executable_path/libfoo.dylib %t/libfoo.o -o %t/libfoo.dylib
  11
  12 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/test.s -o %t/test.o
  13 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/foo.s -o %t/foo.o
  14 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/weakfoo.s -o %t/weakfoo.o
  15
  16 # RUN: llvm-ar --format=darwin rcs %t/foo.a %t/foo.o
  17 # RUN: llvm-ar --format=darwin rcs %t/weakfoo.a %t/weakfoo.o
  18
  19 # PREFER-WEAK-OBJECT: O __TEXT,weak _foo
  20 # PREFER-NONWEAK-OBJECT: O __TEXT,nonweak _foo
  21
  22 # RUN: %lld -lSystem -o %t/nonweak-dylib-weak-ar -L%t -lfoo %t/weakfoo.a %t/test.o
  23 # RUN: llvm-objdump --macho --lazy-bind --syms %t/nonweak-dylib-weak-ar | FileCheck %s --check-prefix=PREFER-WEAK-OBJECT
  24 # RUN: %lld -lSystem -o %t/weak-ar-nonweak-dylib -L%t %t/weakfoo.a -lfoo %t/test.o
  25 # RUN: llvm-objdump --macho --lazy-bind --syms %t/weak-ar-nonweak-dylib | FileCheck %s --check-prefix=PREFER-WEAK-OBJECT
  26
  27 # RUN: %lld -lSystem -o %t/weak-obj-nonweak-dylib -L%t %t/weakfoo.o -lfoo %t/test.o
  28 # RUN: llvm-objdump --macho --lazy-bind --syms %t/weak-obj-nonweak-dylib | FileCheck %s --check-prefix=PREFER-WEAK-OBJECT
  29 # RUN: %lld -lSystem -o %t/nonweak-dylib-weak-obj -L%t -lfoo %t/weakfoo.o %t/test.o
  30 # RUN: llvm-objdump --macho --lazy-bind --syms %t/nonweak-dylib-weak-obj | FileCheck %s --check-prefix=PREFER-WEAK-OBJECT
  31
  32 #--- libfoo.s
  33 .globl _foo
  34 _foo:
  35
  36 #--- foo.s
  37 .globl _foo, _bar
  38 .section __TEXT,nonweak
  39 _bar:
  40 _foo:
  41
  42 #--- weakfoo.s
  43 .globl _foo, _bar
  44 .weak_definition _foo
  45 .section __TEXT,weak
  46 _bar:
  47 _foo:
  48
  49 #--- test.s
  50 .globl _main
  51 _main:
  52   callq _foo
  53   callq _bar
  54   ret