lld/test/MachO/local-symbol-output.s

   1 # REQUIRES: x86
   2
   3 # RUN: rm -rf %t; split-file %s %t
   4 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-macos %t/main.s -o %t/main.o
   5
   6 ## Check that -non_global_symbols_no_strip_list and -non_global_symbols_strip_list
   7 ## can't be used at the same time.
   8 # RUN: not %lld %t/main.o -o /dev/null \
   9 # RUN:       -non_global_symbols_no_strip_list %t/foo.txt \
  10 # RUN:       -non_global_symbols_strip_list %t/foo.txt 2>&1 | \
  11 # RUN:     FileCheck --check-prefix=CONFLICT %s
  12
  13 # CONFLICT: error: cannot use both -non_global_symbols_no_strip_list and -non_global_symbols_strip_list
  14
  15 ## Check that -x causes none of the local symbols to be emitted.
  16 # RUN: %lld %t/main.o -x -o %t/NO-LOCAL.out
  17 # RUN: llvm-nm %t/NO-LOCAL.out | FileCheck --check-prefix NO-LOCAL %s
  18
  19 # NO-LOCAL-NOT: t _foo
  20 # NO-LOCAL-NOT: t _bar
  21 # NO-LOCAL-NOT: t _baz
  22 # NO-LOCAL: T _main
  23
  24 ## Check that when using -x with -non_global_symbols_no_strip_list, whichever appears
  25 ## last in the command line arg list will take precedence.
  26 # RUN: %lld %t/main.o -x -non_global_symbols_no_strip_list %t/foo.txt -o %t/x_then_no_strip.out
  27 # RUN: llvm-nm %t/x_then_no_strip.out | FileCheck --check-prefix X-NO-STRIP %s
  28
  29 # RUN: %lld %t/main.o -non_global_symbols_no_strip_list %t/foo.txt -x -o %t/no_strip_then_x.out
  30 # RUN: llvm-nm %t/no_strip_then_x.out | FileCheck --check-prefix NO-LOCAL %s
  31
  32 # X-NO-STRIP-NOT: t _bar
  33 # X-NO-STRIP-DAG: t _foo
  34 # X-NO-STRIP-DAG: T _main
  35
  36 ## Check that -non_global_symbols_no_strip_list can be specified more than once
  37 ## (The final no-strip list is the union of all these)
  38 # RUN: %lld %t/main.o -o %t/no_strip_multi.out \
  39 # RUN:    -non_global_symbols_no_strip_list %t/foo.txt \
  40 # RUN:    -non_global_symbols_no_strip_list %t/bar.txt
  41 # RUN: llvm-nm %t/no_strip_multi.out | FileCheck --check-prefix NO-STRIP-MULTI %s
  42
  43 # NO-STRIP-MULTI-NOT: t _baz
  44 # NO-STRIP-MULTI-DAG: t _foo
  45 # NO-STRIP-MULTI-DAG: t _bar
  46 # NO-STRIP-MULTI-DAG: T _main
  47
  48 ## Check that when using -x with -non_global_symbols_strip_list, whichever appears
  49 ## last in the command line arg list will take precedence.
  50 # RUN: %lld %t/main.o -x -non_global_symbols_strip_list %t/foo.txt -o %t/x_then_strip.out
  51 # RUN: llvm-nm %t/x_then_strip.out | FileCheck --check-prefix X-STRIP %s
  52
  53 # RUN: %lld %t/main.o -non_global_symbols_strip_list %t/foo.txt -x -o %t/strip_then_x.out
  54 # RUN: llvm-nm %t/no_strip_then_x.out | FileCheck --check-prefix NO-LOCAL %s
  55
  56 # X-STRIP-NOT: t _foo
  57 # X-STRIP-DAG: t _bar
  58 # X-STRIP-DAG: t _baz
  59 # X-STRIP-DAG: T _main
  60
  61 ## Check that -non_global_symbols_strip_list can be specified more than once
  62 ## (The final strip list is the union of all these)
  63 # RUN: %lld %t/main.o -o %t/strip_multi.out \
  64 # RUN:    -non_global_symbols_strip_list %t/foo.txt \
  65 # RUN:    -non_global_symbols_strip_list %t/bar.txt
  66 # RUN: llvm-nm %t/strip_multi.out | FileCheck --check-prefix STRIP-MULTI %s
  67
  68 # STRIP-MULTI-NOT: t _foo
  69 # STRIP-MULTI-NOT: t _bar
  70 # STRIP-MULTI-DAG: t _baz
  71 # STRIP-MULTI-DAG: T _main
  72
  73 ## Test interactions with exported_symbol.
  74 # RUN: %lld %t/main.o -o %t/strip_all_export_one.out \
  75 # RUN:    -x -exported_symbol _foo \
  76 # RUN:    -undefined dynamic_lookup
  77 # RUN: llvm-nm %t/strip_all_export_one.out | FileCheck --check-prefix STRIP-EXP %s
  78
  79 # STRIP-EXP: U _foo
  80 # STRIP-EXP: U dyld_stub_binder
  81 # STRIP-EXP-EMPTY:
  82
  83 ## Test interactions of -x and -non_global_symbols_strip_list with unexported_symbol.
  84 # RUN: %lld %t/main.o -o %t/strip_x_unexport_one.out \
  85 # RUN:    -x -unexported_symbol _globby \
  86 # RUN:    -undefined dynamic_lookup
  87
  88 # RUN: %lld %t/main.o -o %t/strip_all_unexport_one.out \
  89 # RUN:    -non_global_symbols_strip_list %t/globby.txt \
  90 # RUN:    -non_global_symbols_strip_list %t/foo.txt \
  91 # RUN:    -non_global_symbols_strip_list %t/bar.txt \
  92 # RUN:    -unexported_symbol _globby \
  93 # RUN:    -undefined dynamic_lookup
  94
  95 # RUN: llvm-nm %t/strip_x_unexport_one.out | FileCheck --check-prefix STRIP-UNEXP %s
  96 # RUN: llvm-nm %t/strip_all_unexport_one.out | FileCheck --check-prefix STRIP-UNEXP %s
  97
  98 ## -unexported_symbol made _globby a local, therefore it should be stripped by -x too
  99 # STRIP-UNEXP: T __mh_execute_header
 100 # STRIP-UNEXP-DAG: T _main
 101 # STRIP-UNEXP-DAG: U dyld_stub_binder
 102 # STRIP-UNEXP-EMPTY:
 103
 104 ## Test interactions of -non_global_symbols_strip_list and unexported_symbol.
 105 # RUN: %lld %t/main.o -undefined dynamic_lookup -o %t/no_strip_unexport.out \
 106 # RUN:    -non_global_symbols_no_strip_list %t/globby.txt \
 107 # RUN:    -unexported_symbol _globby
 108
 109 # RUN: llvm-nm %t/no_strip_unexport.out | FileCheck --check-prefix NOSTRIP-UNEXP %s
 110
 111 # NOSTRIP-UNEXP: T __mh_execute_header
 112 # NOSTRIP-UNEXP-DAG: T _main
 113 # NOSTRIP-UNEXP-DAG: t _globby
 114 # NOSTRIP-UNEXP-DAG: U dyld_stub_binder
 115 # NOSTRIP-UNEXP-EMPTY:
 116
 117 #--- foo.txt
 118 _foo
 119
 120 #--- bar.txt
 121 _bar
 122
 123 #--- globby.txt
 124 _globby
 125
 126 #--- main.s
 127 .globl _main
 128 .globl _globby
 129
 130 _foo:
 131   ret
 132
 133 _bar:
 134   ret
 135
 136 _baz:
 137   ret
 138
 139 _main:
 140   callq _foo
 141   ret
 142
 143  _globby:
 144   ret