lld/test/MachO/treat-undef-sym.s

   1 # REQUIRES: x86
   2 # RUN: rm -rf %t; split-file %s %t
   3
   4 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-macos %t/live.s -o %t/live.o
   5 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-macos %t/dead.s -o %t/dead.o
   6
   7 # RUN: not %lld -undefined bogus -o /dev/null %t/live.o 2>&1 | \
   8 # RUN:     FileCheck %s -check-prefix=UNKNOWN
   9 # RUN: not %lld -undefined error -o /dev/null %t/live.o 2>&1 | \
  10 # RUN:     FileCheck %s -check-prefix=ERROR
  11
  12 # RUN: not %lld -undefined warning -o /dev/null %t/live.o 2>&1 | \
  13 # RUN:     FileCheck %s -check-prefix=INVAL-WARNING
  14 # RUN: not %lld -undefined suppress -o /dev/null %t/live.o 2>&1 | \
  15 # RUN:     FileCheck %s -check-prefix=INVAL-SUPPRESS
  16 # RUN: %lld -undefined dynamic_lookup -lSystem -o %t/live.out %t/live.o 2>&1 | count 0
  17 # RUN: llvm-objdump --macho --lazy-bind %t/live.out \
  18 # RUN:     | FileCheck --check-prefix=BIND %s
  19
  20 # RUN: %no-fatal-warnings-lld -lSystem -flat_namespace -undefined warning \
  21 # RUN:     -o %t/live.out %t/live.o 2>&1 | \
  22 # RUN:     FileCheck %s -check-prefix=WARNING
  23 # RUN: llvm-objdump --macho --lazy-bind %t/live.out \
  24 # RUN:     | FileCheck --check-prefix=BIND %s
  25 # RUN: %lld -flat_namespace -lSystem -undefined suppress -o %t/live.out %t/live.o \
  26 # RUN:     2>&1 | count 0
  27 # RUN: llvm-objdump --macho --lazy-bind %t/live.out \
  28 # RUN:     | FileCheck --check-prefix=BIND %s
  29 # RUN: %lld -flat_namespace -lSystem -undefined dynamic_lookup -o \
  30 # RUN:     %t/live.out %t/live.o 2>&1 | count 0
  31 # RUN: llvm-objdump --macho --lazy-bind %t/live.out \
  32 # RUN:     | FileCheck --check-prefix=BIND %s
  33
  34 ## Undefined symbols in dead code should not raise an error iff
  35 ## -dead_strip is enabled.
  36 # RUN: not %lld -dylib -undefined error -o /dev/null %t/dead.o 2>&1 \
  37 # RUN:     | FileCheck --check-prefix=ERROR %s
  38 # RUN: not %lld -dylib -dead_strip -undefined error -o /dev/null %t/live.o 2>&1\
  39 # RUN:     | FileCheck --check-prefix=ERROR %s
  40 # RUN: %lld -dylib -dead_strip -undefined error -o /dev/null %t/dead.o
  41
  42 # ERROR: error: undefined symbol: _bar
  43 # ERROR-NEXT: >>> referenced by
  44
  45 # INVAL-WARNING: error: '-undefined warning' only valid with '-flat_namespace'
  46 # INVAL-WARNING-NOT: error: undefined symbol: _bar
  47
  48 # INVAL-SUPPRESS: error: '-undefined suppress' only valid with '-flat_namespace'
  49 # INVAL-SUPPRESS-NOT: error: undefined symbol: _bar
  50
  51 # WARNING: warning: undefined symbol: _bar
  52 # WARNING-NEXT: >>> referenced by
  53
  54 # UNKNOWN: unknown -undefined TREATMENT 'bogus'
  55 # UNKNOWN-NEXT: error: undefined symbol: _bar
  56 # UNKNOWN-NEXT: >>> referenced by
  57
  58 # BIND: Lazy bind table:
  59 # BIND: __DATA   __la_symbol_ptr    0x{{[0-9a-f]*}} flat-namespace   _bar
  60
  61 #--- live.s
  62 .globl _main
  63 _main:
  64   callq _bar
  65   ret
  66
  67 #--- dead.s
  68 _dead:
  69   callq _bar
  70   ret