xref: /llvm-project/lld/test/MachO/load-hidden.s (revision b2c53a9217cf346824fb56b19b0742e2eb276a19)
1# REQUIRES: x86
2# RUN: rm -rf %t; split-file %s %t
3# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/archive-foo.s -o %t/archive-foo.o
4# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/archive-baz.s -o %t/archive-baz.o
5# RUN: llvm-ar rcs %t/libfoo.a %t/archive-foo.o
6# RUN: llvm-ar rcs %t/libbaz.a %t/archive-baz.o
7# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/obj.s -o %t/obj.o
8# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/obj-bar.s -o %t/obj-bar.o
9
10# RUN: %lld -dylib -lSystem %t/obj.o -load_hidden %t/libfoo.a -o %t/test.dylib
11# RUN: llvm-nm %t/test.dylib | FileCheck %s
12# RUN: %lld -dylib -lSystem -L%t %t/obj.o -hidden-lfoo -o %t/test2.dylib
13# RUN: llvm-nm %t/test2.dylib | FileCheck %s
14# CHECK-DAG: t _foo
15# CHECK-DAG: d _bar
16
17## If an archive has already been loaded without -load_hidden earlier in the command line,
18## -load_hidden does not have an effect.
19# RUN: %lld -dylib -lSystem %t/obj.o %t/libfoo.a -load_hidden %t/libfoo.a -o %t/test-regular-then-hidden.dylib
20# RUN: llvm-nm %t/test-regular-then-hidden.dylib | FileCheck %s --check-prefix=REGULAR-THEN-HIDDEN
21# REGULAR-THEN-HIDDEN-DAG: T _foo
22# REGULAR-THEN-HIDDEN-DAG: D _bar
23
24## If -load_hidden comes first, the symbols will have hidden visibility.
25# RUN: %lld -dylib -lSystem %t/obj.o -load_hidden %t/libfoo.a %t/libfoo.a -o %t/test-hidden-then-regular.dylib
26# RUN: llvm-nm %t/test-hidden-then-regular.dylib | FileCheck %s --check-prefix=HIDDEN-THEN-REGULAR
27# HIDDEN-THEN-REGULAR-DAG: t _foo
28# HIDDEN-THEN-REGULAR-DAG: d _bar
29
30## If both -load_hidden and -force_load are specified, the earlier one will have an effect.
31# RUN: %lld -dylib -lSystem %t/obj.o %t/libfoo.a -force_load %t/libbaz.a -load_hidden %t/libbaz.a -o %t/test-force-then-hidden.dylib
32# RUN: llvm-nm %t/test-force-then-hidden.dylib | FileCheck %s --check-prefix=FORCE-THEN-HIDDEN
33# FORCE-THEN-HIDDEN: T _baz
34# RUN: %lld -dylib -lSystem %t/obj.o %t/libfoo.a -load_hidden %t/libbaz.a -force_load %t/libbaz.a -o %t/test-hidden-then-force.dylib
35# RUN: llvm-nm %t/test-hidden-then-force.dylib | FileCheck %s --check-prefix=HIDDEN-THEN-FORCE
36# HIDDEN-THEN-FORCE-NOT: _baz
37
38## -load_hidden does not cause the library to be loaded eagerly.
39# RUN: %lld -dylib -lSystem %t/obj.o -load_hidden %t/libfoo.a -load_hidden %t/libbaz.a -o %t/test-lazy.dylib
40# RUN: llvm-nm %t/test-lazy.dylib | FileCheck %s --check-prefix=LAZY
41# LAZY-NOT: _baz
42
43## Specifying the same library twice is fine.
44# RUN: %lld -dylib -lSystem %t/obj.o -load_hidden %t/libfoo.a -load_hidden %t/libfoo.a -o %t/test-twice.dylib
45# RUN: llvm-nm %t/test-twice.dylib | FileCheck %s --check-prefix=TWICE
46# TWICE-DAG: t _foo
47# TWICE-DAG: d _bar
48
49## -load_hidden causes the symbols to have "private external" visibility, so duplicate definitions
50## are not allowed.
51# RUN: not %lld -dylib -lSystem %t/obj.o %t/obj-bar.o -load_hidden %t/libfoo.a 2>&1 | FileCheck %s --check-prefix=DUP
52# DUP: error: duplicate symbol: _bar
53
54#--- archive-foo.s
55.globl _foo
56_foo:
57
58.data
59.globl _bar
60_bar:
61
62#--- archive-baz.s
63.globl _baz
64_baz:
65
66#--- obj-bar.s
67.data
68.globl _bar
69_bar:
70
71#--- obj.s
72.globl _test
73_test:
74    call _foo
75