1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
# REQUIRES: x86
# RUN: rm -rf %t; split-file %s %t
# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/libweak-defines.s -o %t/libweak-defines.o
# RUN: %lld -dylib %t/libweak-defines.o -o %t/libweak-defines.dylib
# RUN: llvm-readobj --file-headers %t/libweak-defines.dylib | FileCheck %s --check-prefix=WEAK-DEFINES-AND-BINDS
# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/binds-to-weak.s -o %t/binds-to-weak.o
# RUN: %lld -lSystem -L%t -lweak-defines -o %t/binds-to-weak %t/binds-to-weak.o
# RUN: llvm-readobj --file-headers %t/binds-to-weak | FileCheck %s --check-prefix=WEAK-BINDS-ONLY
# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/overrides-weak.s -o %t/overrides-weak.o
# RUN: %lld -lSystem -L%t -lweak-defines -o %t/overrides-weak %t/overrides-weak.o
# RUN: llvm-readobj --file-headers %t/overrides-weak | FileCheck %s --check-prefix=WEAK-DEFINES-ONLY
# WEAK-DEFINES-AND-BINDS: MH_BINDS_TO_WEAK
# WEAK-DEFINES-AND-BINDS: MH_WEAK_DEFINES
# WEAK-BINDS-ONLY-NOT: MH_WEAK_DEFINES
# WEAK-BINDS-ONLY: MH_BINDS_TO_WEAK
# WEAK-BINDS-ONLY-NOT: MH_WEAK_DEFINES
# WEAK-DEFINES-ONLY-NOT: MH_BINDS_TO_WEAK
# WEAK-DEFINES-ONLY: MH_WEAK_DEFINES
# WEAK-DEFINES-ONLY-NOT: MH_BINDS_TO_WEAK
#--- libweak-defines.s
.globl _foo
.weak_definition _foo
_foo:
ret
#--- binds-to-weak.s
.globl _main
_main:
callq _foo
ret
## Don't generate MH_WEAK_DEFINES for weak locals
.weak_definition _weak_local
_weak_local:
#--- overrides-weak.s
.globl _main, _foo
_foo:
_main:
ret
|
