1# REQUIRES: x86
2
3# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o
4# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux \
5# RUN:   %p/Inputs/allow-shlib-undefined.s -o %t1.o
6# RUN: ld.lld -shared %t1.o -o %t.so
7
8# RUN: ld.lld --allow-shlib-undefined %t.o %t.so -o /dev/null
9# RUN: not ld.lld --no-allow-shlib-undefined %t.o %t.so -o /dev/null 2>&1 | FileCheck %s
10# Executable defaults to --no-allow-shlib-undefined
11# RUN: not ld.lld %t.o %t.so -o /dev/null 2>&1 | FileCheck %s
12# RUN: ld.lld %t.o %t.so --noinhibit-exec -o /dev/null 2>&1 | FileCheck %s --check-prefix=WARN
13# RUN: ld.lld %t.o %t.so --warn-unresolved-symbols -o /dev/null 2>&1 | FileCheck %s --check-prefix=WARN
14# -shared defaults to --allow-shlib-undefined
15# RUN: ld.lld -shared %t.o %t.so -o /dev/null
16
17# RUN: echo | llvm-mc -filetype=obj -triple=x86_64-unknown-linux -o %tempty.o
18# RUN: ld.lld -shared %tempty.o -o %tempty.so
19# RUN: ld.lld -shared %t1.o %tempty.so -o %t2.so
20# RUN: ld.lld --no-allow-shlib-undefined %t.o %t2.so -o /dev/null
21
22# DSO with undefines:
23# should link with or without any of these options.
24# RUN: ld.lld -shared %t1.o -o /dev/null
25# RUN: ld.lld -shared --allow-shlib-undefined %t1.o -o /dev/null
26# RUN: ld.lld -shared --no-allow-shlib-undefined %t1.o -o /dev/null
27
28## Check that the error is reported if an unresolved symbol is first seen in a
29## regular object file.
30# RUN: echo 'callq _unresolved@PLT' | \
31# RUN:   llvm-mc -filetype=obj -triple=x86_64-unknown-linux - -o %tref.o
32# RUN: not ld.lld --gc-sections %t.o %tref.o %t.so -o /dev/null 2>&1 | FileCheck %s
33
34## Check that the error is reported for each shared library where the symbol
35## is referenced.
36# RUN: cp %t.so %t2.so
37# RUN: not ld.lld %t.o %t.so %t2.so -o /dev/null 2>&1 | \
38# RUN:   FileCheck %s --check-prefixes=CHECK,CHECK2
39
40.globl _start
41_start:
42  callq _shared@PLT
43
44# CHECK:       error: undefined reference due to --no-allow-shlib-undefined: _unresolved
45# CHECK-NEXT:  >>> referenced by {{.*}}.so
46# CHECK2:      error: undefined reference due to --no-allow-shlib-undefined: _unresolved
47# CHECK2-NEXT: >>> referenced by {{.*}}2.so
48# WARN:        warning: undefined reference due to --no-allow-shlib-undefined: _unresolved
49# WARN-NEXT:   >>> referenced by {{.*}}.so
50