xref: /llvm-project/clang/test/InstallAPI/mismatching-objc-class-symbols.test (revision 4c18681a2d5a5738233fce9d7746b968d4b4ab76)
1; RUN: rm -rf %t
2; RUN: split-file %s %t
3; RUN: sed -e "s|DSTROOT|%/t|g" %t/inputs.json.in > %t/inputs.json
4; RUN: yaml2obj %t/swift-objc-class.yaml -o %t/libswift-objc.dylib
5
6// Try out dylib that only has 1 symbol for a ObjCClass, with no declarations in header.
7; RUN: clang-installapi -target arm64-apple-macos14 -dynamiclib \
8; RUN: -install_name tmp.dylib --verify-against=%t/libswift-objc.dylib \
9; RUN: -I%t/usr/include %t/inputs.json -o %t/missing.tbd \
10; RUN: --verify-mode=ErrorsAndWarnings 2>&1 | FileCheck --check-prefix MISSING_DECL %s
11; RUN: llvm-readtapi --compare %t/missing.tbd %t/missing-expected.tbd
12
13// Try out a dylib that only has 1 symbol for a ObjCClass,
14// but a complete ObjCClass decl in header.
15; RUN: clang-installapi -target arm64-apple-macos14 -dynamiclib \
16; RUN: -install_name tmp.dylib --verify-against=%t/libswift-objc.dylib \
17; RUN: -I%t/usr/include %t/inputs.json -o %t/mismatching.tbd \
18; RUN: --verify-mode=Pedantic -DFULL_DECL 2>&1 | FileCheck --check-prefix MISMATCH_DECL %s
19; RUN: llvm-readtapi -compare %t/mismatching.tbd  %t/mismatching-expected.tbd
20
21// Try out a dylib that only has 1 symbol for a ObjCClass, but is represented in header.
22; RUN: clang-installapi -target arm64-apple-macos14 -dynamiclib \
23; RUN: -install_name tmp.dylib --verify-against=%t/libswift-objc.dylib \
24; RUN: -I%t/usr/include %t/inputs.json -o %t/matching.tbd \
25; RUN: --verify-mode=Pedantic \
26; RUN: -DHAS_META_DECL 2>&1 | FileCheck --allow-empty %s
27
28; MISSING_DECL:        violations found for arm64
29; MISSING_DECL-NEXT:   warning: no declaration was found for exported symbol 'Metaclass of Suggestion' in dynamic library
30
31; MISMATCH_DECL:       violations found for arm64-apple-macos14
32; MISMATCH_DECL:       warning: declaration has external linkage, but dynamic library doesn't have symbol 'Class of Suggestion'
33
34; CHECK-NOT:           error
35; CHECK-NOT:           warning
36
37
38;--- usr/include/mismatch.h
39#if HAS_META_DECL
40int metaclass __asm("_OBJC_METACLASS_$_Suggestion");
41#endif
42
43#if FULL_DECL
44@interface Suggestion
45@end
46#endif
47
48;--- inputs.json.in
49{
50  "headers": [ {
51    "path" : "DSTROOT/usr/include/mismatch.h",
52    "type" : "public"
53  }
54  ],
55  "version": "3"
56}
57
58;--- missing-expected.tbd
59--- !tapi-tbd
60tbd-version:     4
61targets:         [ arm64-macos ]
62flags:           [ not_app_extension_safe ]
63install-name:    tmp.dylib
64current-version: 0
65compatibility-version: 0
66...
67
68;--- mismatching-expected.tbd
69--- !tapi-tbd
70tbd-version:     4
71targets:         [ arm64-macos ]
72flags:           [ not_app_extension_safe ]
73install-name:    tmp.dylib
74current-version: 0
75compatibility-version: 0
76exports:
77  - targets:         [ arm64-macos ]
78    objc-classes:    [ Suggestion ]
79...
80
81;--- swift-objc-class.yaml
82--- !mach-o
83FileHeader:
84  magic:           0xFEEDFACF
85  cputype:         0x100000C
86  cpusubtype:      0x0
87  filetype:        0x6
88  ncmds:           13
89  sizeofcmds:      752
90  flags:           0x100085
91  reserved:        0x0
92LoadCommands:
93  - cmd:             LC_SEGMENT_64
94    cmdsize:         232
95    segname:         __TEXT
96    vmaddr:          0
97    vmsize:          16384
98    fileoff:         0
99    filesize:        16384
100    maxprot:         5
101    initprot:        5
102    nsects:          2
103    flags:           0
104    Sections:
105      - sectname:        __text
106        segname:         __TEXT
107        addr:            0x330
108        size:            0
109        offset:          0x330
110        align:           0
111        reloff:          0x0
112        nreloc:          0
113        flags:           0x80000000
114        reserved1:       0x0
115        reserved2:       0x0
116        reserved3:       0x0
117        content:         ''
118      - sectname:        __const
119        segname:         __TEXT
120        addr:            0x330
121        size:            1
122        offset:          0x330
123        align:           0
124        reloff:          0x0
125        nreloc:          0
126        flags:           0x0
127        reserved1:       0x0
128        reserved2:       0x0
129        reserved3:       0x0
130        content:         '61'
131  - cmd:             LC_SEGMENT_64
132    cmdsize:         72
133    segname:         __LINKEDIT
134    vmaddr:          16384
135    vmsize:          416
136    fileoff:         16384
137    filesize:        416
138    maxprot:         1
139    initprot:        1
140    nsects:          0
141    flags:           0
142  - cmd:             LC_DYLD_INFO_ONLY
143    cmdsize:         48
144    rebase_off:      0
145    rebase_size:     0
146    bind_off:        0
147    bind_size:       0
148    weak_bind_off:   0
149    weak_bind_size:  0
150    lazy_bind_off:   0
151    lazy_bind_size:  0
152    export_off:      16384
153    export_size:     40
154  - cmd:             LC_SYMTAB
155    cmdsize:         24
156    symoff:          16432
157    nsyms:           2
158    stroff:          16464
159    strsize:         48
160  - cmd:             LC_DYSYMTAB
161    cmdsize:         80
162    ilocalsym:       0
163    nlocalsym:       0
164    iextdefsym:      0
165    nextdefsym:      1
166    iundefsym:       1
167    nundefsym:       1
168    tocoff:          0
169    ntoc:            0
170    modtaboff:       0
171    nmodtab:         0
172    extrefsymoff:    0
173    nextrefsyms:     0
174    indirectsymoff:  0
175    nindirectsyms:   0
176    extreloff:       0
177    nextrel:         0
178    locreloff:       0
179    nlocrel:         0
180  - cmd:             LC_ID_DYLIB
181    cmdsize:         40
182    dylib:
183      name:            24
184      timestamp:       0
185      current_version: 0
186      compatibility_version: 0
187    Content:         tmp.dylib
188    ZeroPadBytes:    7
189  - cmd:             LC_UUID
190    cmdsize:         24
191    uuid:            4C4C4443-5555-3144-A142-97179769CBE0
192  - cmd:             LC_BUILD_VERSION
193    cmdsize:         32
194    platform:        1
195    minos:           917504
196    sdk:             983040
197    ntools:          1
198    Tools:
199      - tool:            4
200        version:         1245184
201  - cmd:             LC_LOAD_DYLIB
202    cmdsize:         96
203    dylib:
204      name:            24
205      timestamp:       0
206      current_version: 197656576
207      compatibility_version: 19660800
208    Content:         '/System/Library/Frameworks/Foundation.framework/Versions/C/Foundation'
209    ZeroPadBytes:    3
210  - cmd:             LC_LOAD_DYLIB
211    cmdsize:         56
212    dylib:
213      name:            24
214      timestamp:       0
215      current_version: 88473600
216      compatibility_version: 65536
217    Content:         '/usr/lib/libSystem.B.dylib'
218    ZeroPadBytes:    6
219  - cmd:             LC_FUNCTION_STARTS
220    cmdsize:         16
221    dataoff:         16424
222    datasize:        8
223  - cmd:             LC_DATA_IN_CODE
224    cmdsize:         16
225    dataoff:         16432
226    datasize:        0
227  - cmd:             LC_CODE_SIGNATURE
228    cmdsize:         16
229    dataoff:         16512
230    datasize:        288
231LinkEditData:
232  ExportTrie:
233    TerminalSize:    0
234    NodeOffset:      0
235    Name:            ''
236    Flags:           0x0
237    Address:         0x0
238    Other:           0x0
239    ImportName:      ''
240    Children:
241      - TerminalSize:    3
242        NodeOffset:      32
243        Name:            '_OBJC_METACLASS_$_Suggestion'
244        Flags:           0x0
245        Address:         0x330
246        Other:           0x0
247        ImportName:      ''
248  NameList:
249    - n_strx:          2
250      n_type:          0xF
251      n_sect:          2
252      n_desc:          0
253      n_value:         816
254    - n_strx:          31
255      n_type:          0x1
256      n_sect:          0
257      n_desc:          512
258      n_value:         0
259  StringTable:
260    - ' '
261    - '_OBJC_METACLASS_$_Suggestion'
262    - dyld_stub_binder
263  FunctionStarts:  [ 0x330 ]
264...
265// Generated from:
266// xcrun -sdk macosx clang tmp.c -dynamiclib -install_name tmp.dylib
267// tmp.c:
268// __attribute__((visibility("default")))
269// const char Meta __asm("_OBJC_METACLASS_$_Suggestion") = 'a';
270