lld/test/MachO/force-load.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/archive-foo.s -o %t/archive-foo.o
   4 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/archive-baz.s -o %t/archive-baz.o
   5 # RUN: llvm-ar rcs %t/foo.a %t/archive-foo.o
   6 # RUN: llvm-ar rcs %t/baz.a %t/archive-baz.o
   7 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/foo.s -o %t/foo.o
   8 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/test.s -o %t/test.o
   9
  10 # RUN: %lld -lSystem -force_load %t/foo.a %t/foo.o %t/test.o -o %t/test-force-load-first
  11 # FORCE-LOAD-FIRST:  __TEXT,archive _foo
  12 # RUN: llvm-objdump --syms %t/test-force-load-first | FileCheck %s --check-prefix=FORCE-LOAD-FIRST
  13
  14 # RUN: %lld %t/foo.o -lSystem -force_load %t/foo.a %t/test.o -o %t/test-force-load-second
  15 # RUN: llvm-objdump --syms %t/test-force-load-second | FileCheck %s --check-prefix=FORCE-LOAD-SECOND
  16 # FORCE-LOAD-SECOND: __TEXT,obj _foo
  17
  18 ## If an archive has already been loaded w/o -force_load earlier in the command
  19 ## line, a later -force_load argument will not have an effect.
  20 # RUN: %lld -lSystem %t/foo.a -force_load %t/foo.a %t/test.o -o %t/test-regular-then-force
  21 # RUN: llvm-objdump --syms %t/test-regular-then-force | FileCheck %s --check-prefix=REGULAR-THEN-FORCE
  22 # REGULAR-THEN-FORCE-NOT: _foo
  23 ## If the -force_load comes first, then the second load will just be a no-op.
  24 # RUN: %lld -lSystem -force_load %t/foo.a %t/foo.a %t/test.o -o %t/test-force-then-regular
  25 # RUN: llvm-objdump --syms %t/test-force-then-regular | FileCheck %s --check-prefix=FORCE-THEN-REGULAR
  26 # FORCE-THEN-REGULAR: _foo
  27
  28 ## Force-loading the same path twice is fine
  29 # RUN: %lld -lSystem %t/foo.o -force_load %t/foo.a -force_load %t/foo.a %t/test.o -o /dev/null
  30
  31 ## Note that we do not call realpath() before dedup'ing the force-load
  32 ## arguments, so this is an error.
  33 # RUN: cd %t; not %lld -lSystem %t/foo.o -force_load %t/foo.a -force_load foo.a \
  34 # RUN:   %t/test.o -o /dev/null 2>&1 | FileCheck %s --check-prefix=DUP
  35
  36 # DUP: error: duplicate symbol: _bar
  37
  38 ## Force-loading two different paths w/o conflicting symbols is fine
  39 # RUN: %lld -lSystem -force_load %t/foo.a -force_load %t/baz.a %t/test.o -o %t/test-two-force-loads
  40 # RUN: llvm-objdump --syms %t/test-two-force-loads | FileCheck %s --check-prefix=TWICE
  41 # TWICE-DAG: __TEXT,archive _foo
  42 # TWICE-DAG: __TEXT,archive _bar
  43 # TWICE-DAG: __TEXT,archive _baz
  44
  45 ## Loading an empty-archive should not crash.
  46 # RUN: llvm-ar --format=darwin rcs %t/libEmpty.a
  47 # RUN: %lld -lSystem %t/test.o -force_load %t/libEmpty.a -o %t/loadEmpty.out
  48 # RUN: llvm-objdump --macho --syms %t/loadEmpty.out | FileCheck %s --check-prefix=EMPTY
  49 # EMPTY: F __TEXT,__text _main
  50
  51 #--- archive-foo.s
  52 .section __TEXT,archive
  53 .globl _foo, _bar
  54 .weak_definition _foo
  55 _foo:
  56 _bar:
  57
  58 #--- archive-baz.s
  59 .section __TEXT,archive
  60 .globl _baz
  61 _baz:
  62
  63 #--- foo.s
  64 .section __TEXT,obj
  65 .globl _foo
  66 .weak_definition _foo
  67 _foo:
  68
  69 #--- test.s
  70 .globl _main
  71 _main:
  72   ret