1// Test that we register protocol reference metadata. Without registration,
2// protocol pointers will not be uniqued correctly and @protocol(NSObject) will
3// not match the runtime's pointer.
4//
5// RUN: %clang -c -o %t.o %s
6// RUN: %llvm_jitlink -preload libobjc.A.dylib %t.o
7//
8// REQUIRES: jit-compatible-osx-swift-runtime
9
10 .section __TEXT,__text,regular,pure_instructions
11 .build_version macos, 15, 0 sdk_version 15, 0
12 .globl _main ## -- Begin function main
13 .p2align 4, 0x90
14_main: ## @main
15 .cfi_startproc
16## %bb.0:
17 pushq %rbp
18 .cfi_def_cfa_offset 16
19 .cfi_offset %rbp, -16
20 movq %rsp, %rbp
21 .cfi_def_cfa_register %rbp
22 subq $16, %rsp
23 movl $0, -4(%rbp)
24 movq __OBJC_PROTOCOL_REFERENCE_$_NSObject(%rip), %rax
25 movq %rax, -16(%rbp) ## 8-byte Spill
26 leaq L_.str(%rip), %rdi
27 callq _objc_getProtocol
28 movq -16(%rbp), %rdx ## 8-byte Reload
29 movq %rax, %rsi
30 movl $1, %eax
31 xorl %ecx, %ecx
32 cmpq %rsi, %rdx
33 cmovel %ecx, %eax
34 addq $16, %rsp
35 popq %rbp
36 retq
37 .cfi_endproc
38 ## -- End function
39 .section __TEXT,__objc_classname,cstring_literals
40L_OBJC_CLASS_NAME_: ## @OBJC_CLASS_NAME_
41 .asciz "NSObject"
42
43 .private_extern __OBJC_PROTOCOL_$_NSObject ## @"_OBJC_PROTOCOL_$_NSObject"
44 .section __DATA,__data
45 .globl __OBJC_PROTOCOL_$_NSObject
46 .weak_definition __OBJC_PROTOCOL_$_NSObject
47 .p2align 3, 0x0
48__OBJC_PROTOCOL_$_NSObject:
49 .quad 0
50 .quad L_OBJC_CLASS_NAME_
51 .quad 0
52 .quad 0
53 .quad 0
54 .quad 0
55 .quad 0
56 .quad 0
57 .long 96 ## 0x60
58 .long 0 ## 0x0
59 .quad 0
60 .quad 0
61 .quad 0
62
63 .private_extern __OBJC_LABEL_PROTOCOL_$_NSObject ## @"_OBJC_LABEL_PROTOCOL_$_NSObject"
64 .section __DATA,__objc_protolist,coalesced,no_dead_strip
65 .globl __OBJC_LABEL_PROTOCOL_$_NSObject
66 .weak_definition __OBJC_LABEL_PROTOCOL_$_NSObject
67 .p2align 3, 0x0
68__OBJC_LABEL_PROTOCOL_$_NSObject:
69 .quad __OBJC_PROTOCOL_$_NSObject
70
71 .private_extern __OBJC_PROTOCOL_REFERENCE_$_NSObject ## @"_OBJC_PROTOCOL_REFERENCE_$_NSObject"
72 .section __DATA,__objc_protorefs,coalesced,no_dead_strip
73 .globl __OBJC_PROTOCOL_REFERENCE_$_NSObject
74 .weak_definition __OBJC_PROTOCOL_REFERENCE_$_NSObject
75 .p2align 3, 0x0
76__OBJC_PROTOCOL_REFERENCE_$_NSObject:
77 .quad __OBJC_PROTOCOL_$_NSObject
78
79 .section __TEXT,__cstring,cstring_literals
80L_.str: ## @.str
81 .asciz "NSObject"
82
83 .no_dead_strip __OBJC_PROTOCOL_$_NSObject
84 .no_dead_strip __OBJC_LABEL_PROTOCOL_$_NSObject
85 .no_dead_strip __OBJC_PROTOCOL_REFERENCE_$_NSObject
86 .section __DATA,__objc_imageinfo,regular,no_dead_strip
87L_OBJC_IMAGE_INFO:
88 .long 0
89 .long 64
90
91.subsections_via_symbols
92

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source code of compiler-rt/test/orc/TestCases/Darwin/x86-64/objc-protocol-ref.S