lld/test/MachO/referenced-dynamically.s

   1 # REQUIRES: x86
   2 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %s -o %t.o
   3
   4 # RUN: %lld %t.o -lSystem -o %t.out
   5 # RUN: llvm-readobj --syms %t.out | FileCheck %s
   6
   7 ## ld64 has a "TEMP work around until <rdar://problem/7702923> goes in"
   8 ## that promotes PrivateExtern ReferencedDynamically symbols in dylibs to
   9 ## normal Externs. lld does not do this.
  10 # RUN: %lld -dylib %t.o -o %t.dylib
  11 # RUN: llvm-readobj --syms %t.dylib | FileCheck %s
  12
  13 # CHECK:         Name: ___crashreporter_info__
  14 # CHECK-NEXT:    PrivateExtern
  15 # CHECK-NEXT:    Type: Section (0xE)
  16 # CHECK-NEXT:    Section: __common
  17 # CHECK-NEXT:    RefType: UndefinedNonLazy (0x0)
  18 # CHECK-NEXT:    Flags [ (0x10)
  19 # CHECK-NEXT:      ReferencedDynamically (0x10)
  20 # CHECK-NEXT:    ]
  21
  22 ## Reduced from lib/Support/PrettyStackTrace.cpp
  23 .section __TEXT,__text,regular,pure_instructions
  24
  25 .globl _main
  26 _main:
  27   ret
  28
  29 ## .private_extern matches what PrettyStackTrace.cpp does, but it makes
  30 ## the ReferencedDynamically pointless: https://reviews.llvm.org/D27683#2763729
  31 .private_extern ___crashreporter_info__
  32 .globl ___crashreporter_info__
  33 .desc ___crashreporter_info__,16
  34 .zerofill __DATA,__common,___crashreporter_info__,8,3
  35 .subsections_via_symbols