diff options
| -rw-r--r-- | lld/test/ELF/weak-shared-gc.s | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/lld/test/ELF/weak-shared-gc.s b/lld/test/ELF/weak-shared-gc.s new file mode 100644 index 00000000000..2cafbe8dbb0 --- /dev/null +++ b/lld/test/ELF/weak-shared-gc.s @@ -0,0 +1,21 @@ +# REQUIRES: x86 +# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t1.o +# RUN: echo -e '.globl __cxa_finalize\n__cxa_finalize:' | \ +# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux - -o %t2.o +# RUN: ld.lld %t2.o -o %t2.so -shared +# RUN: ld.lld %t1.o --as-needed --gc-sections %t2.so -o %t +# RUN: llvm-readelf -dynamic-table -dyn-symbols %t | FileCheck %s + +# The crt files on linux have a weak reference to __cxa_finalize. It +# is important that a weak undefined reference is produced. Like +# other weak undefined references, the shared library is not marked as +# needed. + +# CHECK-NOT: NEEDED +# CHECK: WEAK DEFAULT UND __cxa_finalize +# CHECK-NOT: NEEDED + + .global _start +_start: + .weak __cxa_finalize + call __cxa_finalize@PLT |
