xref: /llvm-project/lld/test/MachO/weak-definition-over-dysym.s (revision a817594de9269b9ac8055a2ff2a22ab824cf143d)
1# REQUIRES: x86
2# RUN: rm -rf %t; split-file %s %t
3
4## This test demonstrates that when an archive file is fetched, its symbols
5## always override any conflicting dylib symbols, regardless of any weak
6## definition flags.
7
8# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/test.s -o %t/test.o
9# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/libfoo.s -o %t/libfoo.o
10# RUN: %lld -dylib -install_name @executable_path/libfoo.dylib %t/libfoo.o -o %t/libfoo.dylib
11
12# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/test.s -o %t/test.o
13# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/foo.s -o %t/foo.o
14# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/weakfoo.s -o %t/weakfoo.o
15
16# RUN: llvm-ar --format=darwin rcs %t/foo.a %t/foo.o
17# RUN: llvm-ar --format=darwin rcs %t/weakfoo.a %t/weakfoo.o
18
19# PREFER-WEAK-OBJECT: O __TEXT,weak _foo
20# PREFER-NONWEAK-OBJECT: O __TEXT,nonweak _foo
21
22# RUN: %lld -lSystem -o %t/nonweak-dylib-weak-ar -L%t -lfoo %t/weakfoo.a %t/test.o
23# RUN: llvm-objdump --macho --lazy-bind --syms %t/nonweak-dylib-weak-ar | FileCheck %s --check-prefix=PREFER-WEAK-OBJECT
24# RUN: %lld -lSystem -o %t/weak-ar-nonweak-dylib -L%t %t/weakfoo.a -lfoo %t/test.o
25# RUN: llvm-objdump --macho --lazy-bind --syms %t/weak-ar-nonweak-dylib | FileCheck %s --check-prefix=PREFER-WEAK-OBJECT
26
27# RUN: %lld -lSystem -o %t/weak-obj-nonweak-dylib -L%t %t/weakfoo.o -lfoo %t/test.o
28# RUN: llvm-objdump --macho --lazy-bind --syms %t/weak-obj-nonweak-dylib | FileCheck %s --check-prefix=PREFER-WEAK-OBJECT
29# RUN: %lld -lSystem -o %t/nonweak-dylib-weak-obj -L%t -lfoo %t/weakfoo.o %t/test.o
30# RUN: llvm-objdump --macho --lazy-bind --syms %t/nonweak-dylib-weak-obj | FileCheck %s --check-prefix=PREFER-WEAK-OBJECT
31
32#--- libfoo.s
33.globl _foo
34_foo:
35
36#--- foo.s
37.globl _foo, _bar
38.section __TEXT,nonweak
39_bar:
40_foo:
41
42#--- weakfoo.s
43.globl _foo, _bar
44.weak_definition _foo
45.section __TEXT,weak
46_bar:
47_foo:
48
49#--- test.s
50.globl _main
51_main:
52  callq _foo
53  callq _bar
54  ret
55