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| author | Rafael Espindola <rafael.espindola@gmail.com> | 2018-04-24 23:03:58 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2018-04-24 23:03:58 +0000 |
| commit | a8d0b87f508db337a6dbaf8666b302b1e59cc489 (patch) | |
| tree | d5d4068fd089bd326e34e04f6b0cbbe66e915c38 | |
| parent | 4f56428de1bdca70d13a95fd951ccc1f7c7bde02 (diff) | |
| download | bcm5719-llvm-a8d0b87f508db337a6dbaf8666b302b1e59cc489.tar.gz bcm5719-llvm-a8d0b87f508db337a6dbaf8666b302b1e59cc489.zip | |
Add a test. NFC.
This would have found the issue in r329960.
llvm-svn: 330784
| -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 |
