| blob | 01c5c4fd9e0c34908e411f77fe53c9f7af689e63 |
1 ; REQUIRES: aarch64
7 ; RUN: llvm-mc -filetype=obj -triple=arm64-apple-macos -o erase-objc-name.o %s
8 ; RUN: %lld -arch arm64 -dylib -o erase-objc-name.dylib erase-objc-name.o -objc_category_merging
9 ; RUN: llvm-objdump --objc-meta-data --macho erase-objc-name.dylib | FileCheck %s --check-prefixes=MERGE_CATS
11 ; === Check merge categories enabled ===
12 ; Check that the original categories are not there
13 ; MERGE_CATS-NOT: __OBJC_$_CATEGORY_MyBaseClass_$_Category01
14 ; MERGE_CATS-NOT: __OBJC_$_CATEGORY_MyBaseClass_$_Category02
16 ; Check that we get the expected output - most importantly that the protocol is named `MyTestProtocol`
17 ; MERGE_CATS: Contents of (__DATA_CONST,__objc_classlist) section
18 ; MERGE_CATS-NEXT: _OBJC_CLASS_$_MyBaseClass
19 ; MERGE_CATS-NEXT: isa {{.*}} _OBJC_METACLASS_$_MyBaseClass
20 ; MERGE_CATS-NEXT: superclass {{.*}}
21 ; MERGE_CATS-NEXT: cache {{.*}}
22 ; MERGE_CATS-NEXT: vtable {{.*}}
23 ; MERGE_CATS-NEXT: data {{.*}} (struct class_ro_t *)
24 ; MERGE_CATS-NEXT: flags {{.*}} RO_ROOT
25 ; MERGE_CATS-NEXT: instanceStart 0
26 ; MERGE_CATS-NEXT: instanceSize 0
27 ; MERGE_CATS-NEXT: reserved {{.*}}
28 ; MERGE_CATS-NEXT: ivarLayout {{.*}}
29 ; MERGE_CATS-NEXT: name {{.*}} MyBaseClass
30 ; MERGE_CATS-NEXT: baseMethods {{.*}} (struct method_list_t *)
31 ; MERGE_CATS-NEXT: entsize 24
32 ; MERGE_CATS-NEXT: count 2
33 ; MERGE_CATS-NEXT: name {{.*}} getValue
34 ; MERGE_CATS-NEXT: types {{.*}} i16@0:8
35 ; MERGE_CATS-NEXT: imp -[MyBaseClass(MyTestProtocol) getValue]
36 ; MERGE_CATS-NEXT: name {{.*}} baseInstanceMethod
37 ; MERGE_CATS-NEXT: types {{.*}} v16@0:8
38 ; MERGE_CATS-NEXT: imp -[MyBaseClass baseInstanceMethod]
39 ; MERGE_CATS-NEXT: baseProtocols {{.*}}
40 ; MERGE_CATS-NEXT: count 1
41 ; MERGE_CATS-NEXT: list[0] {{.*}} (struct protocol_t *)
42 ; MERGE_CATS-NEXT: isa {{.*}}
43 ; MERGE_CATS-NEXT: name {{.*}} MyTestProtocol
44 ; MERGE_CATS-NEXT: protocols {{.*}}
45 ; MERGE_CATS-NEXT: instanceMethods {{.*}} (struct method_list_t *)
46 ; MERGE_CATS-NEXT: entsize 24
47 ; MERGE_CATS-NEXT: count 1
48 ; MERGE_CATS-NEXT: name {{.*}} getValue
49 ; MERGE_CATS-NEXT: types {{.*}} i16@0:8
50 ; MERGE_CATS-NEXT: imp {{.*}}
51 ; MERGE_CATS-NEXT: classMethods {{.*}} (struct method_list_t *)
52 ; MERGE_CATS-NEXT: optionalInstanceMethods {{.*}}
53 ; MERGE_CATS-NEXT: optionalClassMethods {{.*}}
54 ; MERGE_CATS-NEXT: instanceProperties {{.*}}
55 ; MERGE_CATS-NEXT: ivars {{.*}}
56 ; MERGE_CATS-NEXT: weakIvarLayout {{.*}}
57 ; MERGE_CATS-NEXT: baseProperties {{.*}}
58 ; MERGE_CATS-NEXT: Meta Class
59 ; MERGE_CATS-NEXT: isa {{.*}} _OBJC_METACLASS_$_MyBaseClass
60 ; MERGE_CATS-NEXT: superclass {{.*}} _OBJC_CLASS_$_MyBaseClass
61 ; MERGE_CATS-NEXT: cache {{.*}}
62 ; MERGE_CATS-NEXT: vtable {{.*}}
63 ; MERGE_CATS-NEXT: data {{.*}} (struct class_ro_t *)
64 ; MERGE_CATS-NEXT: flags {{.*}} RO_META RO_ROOT
65 ; MERGE_CATS-NEXT: instanceStart 40
66 ; MERGE_CATS-NEXT: instanceSize 40
67 ; MERGE_CATS-NEXT: reserved {{.*}}
68 ; MERGE_CATS-NEXT: ivarLayout {{.*}}
69 ; MERGE_CATS-NEXT: name {{.*}} MyBaseClass
70 ; MERGE_CATS-NEXT: baseMethods {{.*}} (struct method_list_t *)
71 ; MERGE_CATS-NEXT: baseProtocols {{.*}}
72 ; MERGE_CATS-NEXT: count 1
73 ; MERGE_CATS-NEXT: list[0] {{.*}} (struct protocol_t *)
74 ; MERGE_CATS-NEXT: isa {{.*}}
75 ; MERGE_CATS-NEXT: name {{.*}} MyTestProtocol
76 ; MERGE_CATS-NEXT: protocols {{.*}}
77 ; MERGE_CATS-NEXT: instanceMethods {{.*}} (struct method_list_t *)
78 ; MERGE_CATS-NEXT: entsize 24
79 ; MERGE_CATS-NEXT: count 1
80 ; MERGE_CATS-NEXT: name {{.*}} getValue
81 ; MERGE_CATS-NEXT: types {{.*}} i16@0:8
82 ; MERGE_CATS-NEXT: imp {{.*}}
83 ; MERGE_CATS-NEXT: classMethods {{.*}} (struct method_list_t *)
84 ; MERGE_CATS-NEXT: optionalInstanceMethods {{.*}}
85 ; MERGE_CATS-NEXT: optionalClassMethods {{.*}}
86 ; MERGE_CATS-NEXT: instanceProperties {{.*}}
87 ; MERGE_CATS-NEXT: ivars {{.*}}
88 ; MERGE_CATS-NEXT: weakIvarLayout {{.*}}
89 ; MERGE_CATS-NEXT: baseProperties {{.*}}
90 ; MERGE_CATS-NEXT: Contents of (__DATA_CONST,__objc_protolist) section
91 ; MERGE_CATS-NEXT: {{.*}} {{.*}} __OBJC_PROTOCOL_$_MyTestProtocol
92 ; MERGE_CATS-NEXT: Contents of (__DATA_CONST,__objc_imageinfo) section
93 ; MERGE_CATS-NEXT: version 0
94 ; MERGE_CATS-NEXT: flags {{.*}} OBJC_IMAGE_HAS_CATEGORY_CLASS_PROPERTIES
97 ; ================== repro.sh ====================
98 ; # Write the Objective-C code to a file
99 ; cat << EOF > MyClass.m
100 ; @protocol MyTestProtocol
101 ; - (int)getValue;
102 ; @end
103 ;
104 ; __attribute__((objc_root_class))
105 ; @interface MyBaseClass
106 ; - (void)baseInstanceMethod;
107 ; @end
108 ;
109 ; @implementation MyBaseClass
110 ; - (void)baseInstanceMethod {}
111 ; @end
112 ;
113 ; @interface MyBaseClass (MyTestProtocol) <MyTestProtocol>
114 ; @end
115 ;
116 ; @implementation MyBaseClass (MyTestProtocol)
117 ;
118 ; - (int)getValue {
119 ; return 0x30;
120 ; }
121 ;
122 ; @end
123 ; EOF
124 ;
125 ; # Compile the Objective-C file to assembly
126 ; xcrun clang -S -arch arm64 MyClass.m -o MyClass.s
127 ; ==============================================
130 .section __TEXT,__text,regular,pure_instructions
131 .p2align 2 ; -- Begin function -[MyBaseClass baseInstanceMethod]
132 "-[MyBaseClass baseInstanceMethod]": ; @"\01-[MyBaseClass baseInstanceMethod]"
133 .cfi_startproc
134 ; %bb.0:
135 sub sp, sp, #16
136 .cfi_def_cfa_offset 16
137 str x0, [sp, #8]
138 str x1, [sp]
139 add sp, sp, #16
140 ret
141 .cfi_endproc
142 ; -- End function
143 .p2align 2 ; -- Begin function -[MyBaseClass(MyTestProtocol) getValue]
144 "-[MyBaseClass(MyTestProtocol) getValue]": ; @"\01-[MyBaseClass(MyTestProtocol) getValue]"
145 .cfi_startproc
146 ; %bb.0:
147 sub sp, sp, #16
148 .cfi_def_cfa_offset 16
149 str x0, [sp, #8]
150 str x1, [sp]
151 mov w0, #48 ; =0x30
152 add sp, sp, #16
153 ret
154 .cfi_endproc
155 ; -- End function
156 .section __DATA,__objc_data
157 .globl _OBJC_CLASS_$_MyBaseClass ; @"OBJC_CLASS_$_MyBaseClass"
158 .p2align 3, 0x0
159 _OBJC_CLASS_$_MyBaseClass:
160 .quad _OBJC_METACLASS_$_MyBaseClass
161 .quad 0
162 .quad __objc_empty_cache
163 .quad 0
164 .quad __OBJC_CLASS_RO_$_MyBaseClass
165 .globl _OBJC_METACLASS_$_MyBaseClass ; @"OBJC_METACLASS_$_MyBaseClass"
166 .p2align 3, 0x0
167 _OBJC_METACLASS_$_MyBaseClass:
168 .quad _OBJC_METACLASS_$_MyBaseClass
169 .quad _OBJC_CLASS_$_MyBaseClass
170 .quad __objc_empty_cache
171 .quad 0
172 .quad __OBJC_METACLASS_RO_$_MyBaseClass
173 .section __TEXT,__objc_classname,cstring_literals
174 l_OBJC_CLASS_NAME_: ; @OBJC_CLASS_NAME_
175 .asciz "MyBaseClass"
176 .section __DATA,__objc_const
177 .p2align 3, 0x0 ; @"_OBJC_METACLASS_RO_$_MyBaseClass"
178 __OBJC_METACLASS_RO_$_MyBaseClass:
179 .long 131 ; 0x83
180 .long 40 ; 0x28
181 .long 40 ; 0x28
182 .space 4
183 .quad 0
184 .quad l_OBJC_CLASS_NAME_
185 .quad 0
186 .quad 0
187 .quad 0
188 .quad 0
189 .quad 0
190 .section __TEXT,__objc_methname,cstring_literals
191 l_OBJC_METH_VAR_NAME_: ; @OBJC_METH_VAR_NAME_
192 .asciz "baseInstanceMethod"
193 .section __TEXT,__objc_methtype,cstring_literals
194 l_OBJC_METH_VAR_TYPE_: ; @OBJC_METH_VAR_TYPE_
195 .asciz "v16@0:8"
196 .section __DATA,__objc_const
197 .p2align 3, 0x0 ; @"_OBJC_$_INSTANCE_METHODS_MyBaseClass"
198 __OBJC_$_INSTANCE_METHODS_MyBaseClass:
199 .long 24 ; 0x18
200 .long 1 ; 0x1
201 .quad l_OBJC_METH_VAR_NAME_
202 .quad l_OBJC_METH_VAR_TYPE_
203 .quad "-[MyBaseClass baseInstanceMethod]"
204 .p2align 3, 0x0 ; @"_OBJC_CLASS_RO_$_MyBaseClass"
205 __OBJC_CLASS_RO_$_MyBaseClass:
206 .long 130 ; 0x82
207 .long 0 ; 0x0
208 .long 0 ; 0x0
209 .space 4
210 .quad 0
211 .quad l_OBJC_CLASS_NAME_
212 .quad __OBJC_$_INSTANCE_METHODS_MyBaseClass
213 .quad 0
214 .quad 0
215 .quad 0
216 .quad 0
217 .section __TEXT,__objc_classname,cstring_literals
218 l_OBJC_CLASS_NAME_.1: ; @OBJC_CLASS_NAME_.1
219 .asciz "MyTestProtocol"
220 .section __TEXT,__objc_methname,cstring_literals
221 l_OBJC_METH_VAR_NAME_.2: ; @OBJC_METH_VAR_NAME_.2
222 .asciz "getValue"
223 .section __TEXT,__objc_methtype,cstring_literals
224 l_OBJC_METH_VAR_TYPE_.3: ; @OBJC_METH_VAR_TYPE_.3
225 .asciz "i16@0:8"
226 .section __DATA,__objc_const
227 .p2align 3, 0x0 ; @"_OBJC_$_CATEGORY_INSTANCE_METHODS_MyBaseClass_$_MyTestProtocol"
228 __OBJC_$_CATEGORY_INSTANCE_METHODS_MyBaseClass_$_MyTestProtocol:
229 .long 24 ; 0x18
230 .long 1 ; 0x1
231 .quad l_OBJC_METH_VAR_NAME_.2
232 .quad l_OBJC_METH_VAR_TYPE_.3
233 .quad "-[MyBaseClass(MyTestProtocol) getValue]"
234 .p2align 3, 0x0 ; @"_OBJC_$_PROTOCOL_INSTANCE_METHODS_MyTestProtocol"
235 __OBJC_$_PROTOCOL_INSTANCE_METHODS_MyTestProtocol:
236 .long 24 ; 0x18
237 .long 1 ; 0x1
238 .quad l_OBJC_METH_VAR_NAME_.2
239 .quad l_OBJC_METH_VAR_TYPE_.3
240 .quad 0
241 .p2align 3, 0x0 ; @"_OBJC_$_PROTOCOL_METHOD_TYPES_MyTestProtocol"
242 __OBJC_$_PROTOCOL_METHOD_TYPES_MyTestProtocol:
243 .quad l_OBJC_METH_VAR_TYPE_.3
244 .private_extern __OBJC_PROTOCOL_$_MyTestProtocol ; @"_OBJC_PROTOCOL_$_MyTestProtocol"
245 .section __DATA,__data
246 .globl __OBJC_PROTOCOL_$_MyTestProtocol
247 .weak_definition __OBJC_PROTOCOL_$_MyTestProtocol
248 .p2align 3, 0x0
249 __OBJC_PROTOCOL_$_MyTestProtocol:
250 .quad 0
251 .quad l_OBJC_CLASS_NAME_.1
252 .quad 0
253 .quad __OBJC_$_PROTOCOL_INSTANCE_METHODS_MyTestProtocol
254 .quad 0
255 .quad 0
256 .quad 0
257 .quad 0
258 .long 96 ; 0x60
259 .long 0 ; 0x0
260 .quad __OBJC_$_PROTOCOL_METHOD_TYPES_MyTestProtocol
261 .quad 0
262 .quad 0
263 .private_extern __OBJC_LABEL_PROTOCOL_$_MyTestProtocol ; @"_OBJC_LABEL_PROTOCOL_$_MyTestProtocol"
264 .section __DATA,__objc_protolist,coalesced,no_dead_strip
265 .globl __OBJC_LABEL_PROTOCOL_$_MyTestProtocol
266 .weak_definition __OBJC_LABEL_PROTOCOL_$_MyTestProtocol
267 .p2align 3, 0x0
268 __OBJC_LABEL_PROTOCOL_$_MyTestProtocol:
269 .quad __OBJC_PROTOCOL_$_MyTestProtocol
270 .section __DATA,__objc_const
271 .p2align 3, 0x0 ; @"_OBJC_CATEGORY_PROTOCOLS_$_MyBaseClass_$_MyTestProtocol"
272 __OBJC_CATEGORY_PROTOCOLS_$_MyBaseClass_$_MyTestProtocol:
273 .quad 1 ; 0x1
274 .quad __OBJC_PROTOCOL_$_MyTestProtocol
275 .quad 0
276 .p2align 3, 0x0 ; @"_OBJC_$_CATEGORY_MyBaseClass_$_MyTestProtocol"
277 __OBJC_$_CATEGORY_MyBaseClass_$_MyTestProtocol:
278 .quad l_OBJC_CLASS_NAME_.1
279 .quad _OBJC_CLASS_$_MyBaseClass
280 .quad __OBJC_$_CATEGORY_INSTANCE_METHODS_MyBaseClass_$_MyTestProtocol
281 .quad 0
282 .quad __OBJC_CATEGORY_PROTOCOLS_$_MyBaseClass_$_MyTestProtocol
283 .quad 0
284 .quad 0
285 .long 64 ; 0x40
286 .space 4
287 .section __DATA,__objc_classlist,regular,no_dead_strip
288 .p2align 3, 0x0 ; @"OBJC_LABEL_CLASS_$"
289 l_OBJC_LABEL_CLASS_$:
290 .quad _OBJC_CLASS_$_MyBaseClass
291 .section __DATA,__objc_catlist,regular,no_dead_strip
292 .p2align 3, 0x0 ; @"OBJC_LABEL_CATEGORY_$"
293 l_OBJC_LABEL_CATEGORY_$:
294 .quad __OBJC_$_CATEGORY_MyBaseClass_$_MyTestProtocol
295 .no_dead_strip __OBJC_PROTOCOL_$_MyTestProtocol
296 .no_dead_strip __OBJC_LABEL_PROTOCOL_$_MyTestProtocol
297 .section __DATA,__objc_imageinfo,regular,no_dead_strip
298 L_OBJC_IMAGE_INFO:
299 .long 0
300 .long 64
302 __objc_empty_cache:
303 _$sBOWV:
304 .quad 0
306 .subsections_via_symbols