1// Test that we register protocol metadata. Without registration, messaging
2// a protocol metatype object crashes.
3//
4// RUN: %clang -c -o %t.o %s
5// RUN: %llvm_jitlink -preload libobjc.A.dylib %t.o
6//
7// REQUIRES: jit-compatible-osx-swift-runtime
8
9 .section __TEXT,__text,regular,pure_instructions
10 .build_version macos, 15, 0 sdk_version 15, 0
11 .globl _main ; -- Begin function main
12 .p2align 2
13_main: ; @main
14 .cfi_startproc
15; %bb.0:
16 sub sp, sp, #32
17 stp x29, x30, [sp, #16] ; 16-byte Folded Spill
18 add x29, sp, #16
19 .cfi_def_cfa w29, 16
20 .cfi_offset w30, -8
21 .cfi_offset w29, -16
22 mov w8, #0 ; =0x0
23 str w8, [sp, #8] ; 4-byte Folded Spill
24 stur wzr, [x29, #-4]
25 adrp x8, __OBJC_PROTOCOL_REFERENCE_$_P@PAGE
26 ldr x0, [x8, __OBJC_PROTOCOL_REFERENCE_$_P@PAGEOFF]
27 bl _objc_retain
28 ldr w0, [sp, #8] ; 4-byte Folded Reload
29 ldp x29, x30, [sp, #16] ; 16-byte Folded Reload
30 add sp, sp, #32
31 ret
32 .cfi_endproc
33 ; -- End function
34 .section __TEXT,__objc_classname,cstring_literals
35l_OBJC_CLASS_NAME_: ; @OBJC_CLASS_NAME_
36 .asciz "P"
37
38 .private_extern __OBJC_PROTOCOL_$_P ; @"_OBJC_PROTOCOL_$_P"
39 .section __DATA,__data
40 .globl __OBJC_PROTOCOL_$_P
41 .weak_definition __OBJC_PROTOCOL_$_P
42 .p2align 3, 0x0
43__OBJC_PROTOCOL_$_P:
44 .quad 0
45 .quad l_OBJC_CLASS_NAME_
46 .quad 0
47 .quad 0
48 .quad 0
49 .quad 0
50 .quad 0
51 .quad 0
52 .long 96 ; 0x60
53 .long 0 ; 0x0
54 .quad 0
55 .quad 0
56 .quad 0
57
58 .private_extern __OBJC_LABEL_PROTOCOL_$_P ; @"_OBJC_LABEL_PROTOCOL_$_P"
59 .section __DATA,__objc_protolist,coalesced,no_dead_strip
60 .globl __OBJC_LABEL_PROTOCOL_$_P
61 .weak_definition __OBJC_LABEL_PROTOCOL_$_P
62 .p2align 3, 0x0
63__OBJC_LABEL_PROTOCOL_$_P:
64 .quad __OBJC_PROTOCOL_$_P
65
66 .private_extern __OBJC_PROTOCOL_REFERENCE_$_P ; @"_OBJC_PROTOCOL_REFERENCE_$_P"
67 .section __DATA,__objc_protorefs,coalesced,no_dead_strip
68 .globl __OBJC_PROTOCOL_REFERENCE_$_P
69 .weak_definition __OBJC_PROTOCOL_REFERENCE_$_P
70 .p2align 3, 0x0
71__OBJC_PROTOCOL_REFERENCE_$_P:
72 .quad __OBJC_PROTOCOL_$_P
73
74 .no_dead_strip __OBJC_PROTOCOL_$_P
75 .no_dead_strip __OBJC_LABEL_PROTOCOL_$_P
76 .no_dead_strip __OBJC_PROTOCOL_REFERENCE_$_P
77 .section __DATA,__objc_imageinfo,regular,no_dead_strip
78L_OBJC_IMAGE_INFO:
79 .long 0
80 .long 64
81
82.subsections_via_symbols
83

source code of compiler-rt/test/orc/TestCases/Darwin/arm64/objc-protocol.S