1 ; RUN: llc -mcpu=mvp -filetype=obj -o %t.o %s
2 ; RUN: llc -mcpu=mvp -filetype=obj %S/Inputs/weak-alias.ll -o %t2.o
3 ; RUN: wasm-ld --export-dynamic %t.o %t2.o -o %t.wasm
4 ; RUN: obj2yaml %t.wasm | FileCheck %s
6 ; Test that weak aliases (alias_fn is a weak alias of direct_fn) are linked correctly
8 target triple = "wasm32-unknown-unknown"
10 declare i32 @alias_fn() local_unnamed_addr #1
12 ; Function Attrs: nounwind uwtable
13 define void @_start() local_unnamed_addr #1 {
15 %call = tail call i32 @alias_fn() #2
20 ; CHECK-NEXT: FileHeader:
21 ; CHECK-NEXT: Version: 0x1
22 ; CHECK-NEXT: Sections:
23 ; CHECK-NEXT: - Type: TYPE
24 ; CHECK-NEXT: Signatures:
25 ; CHECK-NEXT: - Index: 0
26 ; CHECK-NEXT: ParamTypes:
27 ; CHECK-NEXT: ReturnTypes: []
28 ; CHECK-NEXT: - Index: 1
29 ; CHECK-NEXT: ParamTypes: []
30 ; CHECK-NEXT: ReturnTypes:
32 ; CHECK-NEXT: - Type: FUNCTION
33 ; CHECK-NEXT: FunctionTypes: [ 0, 1, 1, 1, 1, 1 ]
34 ; CHECK-NEXT: - Type: TABLE
36 ; CHECK-NEXT: - Index: 0
37 ; CHECK-NEXT: ElemType: FUNCREF
39 ; CHECK-NEXT: Flags: [ HAS_MAX ]
40 ; CHECK-NEXT: Minimum: 0x2
41 ; CHECK-NEXT: Maximum: 0x2
42 ; CHECK-NEXT: - Type: MEMORY
43 ; CHECK-NEXT: Memories:
44 ; CHECK-NEXT: - Minimum: 0x2
45 ; CHECK-NEXT: - Type: GLOBAL
46 ; CHECK-NEXT: Globals:
47 ; CHECK-NEXT: - Index: 0
48 ; CHECK-NEXT: Type: I32
49 ; CHECK-NEXT: Mutable: true
50 ; CHECK-NEXT: InitExpr:
51 ; CHECK-NEXT: Opcode: I32_CONST
52 ; CHECK-NEXT: Value: 66560
53 ; CHECK-NEXT: - Type: EXPORT
54 ; CHECK-NEXT: Exports:
55 ; CHECK-NEXT: - Name: memory
56 ; CHECK-NEXT: Kind: MEMORY
57 ; CHECK-NEXT: Index: 0
58 ; CHECK-NEXT: - Name: _start
59 ; CHECK-NEXT: Kind: FUNCTION
60 ; CHECK-NEXT: Index: 0
61 ; CHECK-NEXT: - Name: alias_fn
62 ; CHECK-NEXT: Kind: FUNCTION
63 ; CHECK-NEXT: Index: 1
64 ; CHECK-NEXT: - Name: direct_fn
65 ; CHECK-NEXT: Kind: FUNCTION
66 ; CHECK-NEXT: Index: 1
67 ; CHECK-NEXT: - Name: call_direct
68 ; CHECK-NEXT: Kind: FUNCTION
69 ; CHECK-NEXT: Index: 2
70 ; CHECK-NEXT: - Name: call_alias
71 ; CHECK-NEXT: Kind: FUNCTION
72 ; CHECK-NEXT: Index: 3
73 ; CHECK-NEXT: - Name: call_alias_ptr
74 ; CHECK-NEXT: Kind: FUNCTION
75 ; CHECK-NEXT: Index: 4
76 ; CHECK-NEXT: - Name: call_direct_ptr
77 ; CHECK-NEXT: Kind: FUNCTION
78 ; CHECK-NEXT: Index: 5
79 ; CHECK-NEXT: - Type: ELEM
80 ; CHECK-NEXT: Segments:
81 ; CHECK-NEXT: - Offset:
82 ; CHECK-NEXT: Opcode: I32_CONST
83 ; CHECK-NEXT: Value: 1
84 ; CHECK-NEXT: Functions: [ 1 ]
85 ; CHECK-NEXT: - Type: CODE
86 ; CHECK-NEXT: Functions:
87 ; CHECK-NEXT: - Index: 0
89 ; CHECK-NEXT: Body: 1081808080001A0B
90 ; CHECK-NEXT: - Index: 1
92 ; CHECK-NEXT: Body: 41000B
93 ; CHECK-NEXT: - Index: 2
95 ; CHECK-NEXT: Body: 1081808080000B
96 ; CHECK-NEXT: - Index: 3
98 ; CHECK-NEXT: Body: 1081808080000B
99 ; CHECK-NEXT: - Index: 4
100 ; CHECK-NEXT: Locals:
101 ; CHECK-NEXT: - Type: I32
102 ; CHECK-NEXT: Count: 2
103 ; CHECK-NEXT: Body: 23808080800041106B220024808080800020004181808080003602081081808080002101200041106A24808080800020010B
104 ; CHECK-NEXT: - Index: 5
105 ; CHECK-NEXT: Locals:
106 ; CHECK-NEXT: - Type: I32
107 ; CHECK-NEXT: Count: 2
108 ; CHECK-NEXT: Body: 23808080800041106B220024808080800020004181808080003602081081808080002101200041106A24808080800020010B
109 ; CHECK-NEXT: - Type: CUSTOM
110 ; CHECK-NEXT: HeaderSecSizeEncodingLen: 2
111 ; CHECK-NEXT: Name: name
112 ; CHECK-NEXT: FunctionNames:
113 ; CHECK-NEXT: - Index: 0
114 ; CHECK-NEXT: Name: _start
115 ; CHECK-NEXT: - Index: 1
116 ; CHECK-NEXT: Name: direct_fn
117 ; CHECK-NEXT: - Index: 2
118 ; CHECK-NEXT: Name: call_direct
119 ; CHECK-NEXT: - Index: 3
120 ; CHECK-NEXT: Name: call_alias
121 ; CHECK-NEXT: - Index: 4
122 ; CHECK-NEXT: Name: call_alias_ptr
123 ; CHECK-NEXT: - Index: 5
124 ; CHECK-NEXT: Name: call_direct_ptr
125 ; CHECK-NEXT: GlobalNames:
126 ; CHECK-NEXT: - Index: 0
127 ; CHECK-NEXT: Name: __stack_pointer
130 ; RUN: wasm-ld --relocatable %t.o %t2.o -o %t.reloc.o
131 ; RUN: obj2yaml %t.reloc.o | FileCheck %s -check-prefix=RELOC
134 ; RELOC-NEXT: FileHeader:
135 ; RELOC-NEXT: Version: 0x1
136 ; RELOC-NEXT: Sections:
137 ; RELOC-NEXT: - Type: TYPE
138 ; RELOC-NEXT: Signatures:
139 ; RELOC-NEXT: - Index: 0
140 ; RELOC-NEXT: ParamTypes: []
141 ; RELOC-NEXT: ReturnTypes: []
142 ; RELOC-NEXT: - Index: 1
143 ; RELOC-NEXT: ParamTypes: []
144 ; RELOC-NEXT: ReturnTypes:
146 ; RELOC-NEXT: - Type: IMPORT
147 ; RELOC-NEXT: Imports:
148 ; RELOC-NEXT: - Module: env
149 ; RELOC-NEXT: Field: __indirect_function_table
150 ; RELOC-NEXT: Kind: TABLE
152 ; RELOC-NEXT: Index: 0
153 ; RELOC-NEXT: ElemType: FUNCREF
154 ; RELOC-NEXT: Limits:
155 ; RELOC-NEXT: Minimum: 0x2
156 ; RELOC-NEXT: - Module: env
157 ; RELOC-NEXT: Field: __stack_pointer
158 ; RELOC-NEXT: Kind: GLOBAL
159 ; RELOC-NEXT: GlobalType: I32
160 ; RELOC-NEXT: GlobalMutable: true
161 ; RELOC-NEXT: - Type: FUNCTION
162 ; RELOC-NEXT: FunctionTypes: [ 0, 1, 1, 1, 1, 1 ]
163 ; RELOC-NEXT: - Type: MEMORY
164 ; RELOC-NEXT: Memories:
165 ; RELOC-NEXT: - Minimum: 0x0
166 ; RELOC-NEXT: - Type: ELEM
167 ; RELOC-NEXT: Segments:
168 ; RELOC-NEXT: - Offset:
169 ; RELOC-NEXT: Opcode: I32_CONST
170 ; RELOC-NEXT: Value: 1
171 ; RELOC-NEXT: Functions: [ 1 ]
172 ; RELOC-NEXT: - Type: CODE
173 ; RELOC-NEXT: Relocations:
174 ; RELOC-NEXT: - Type: R_WASM_FUNCTION_INDEX_LEB
175 ; RELOC-NEXT: Index: 1
176 ; RELOC-NEXT: Offset: 0x4
177 ; RELOC-NEXT: - Type: R_WASM_FUNCTION_INDEX_LEB
178 ; RELOC-NEXT: Index: 2
179 ; RELOC-NEXT: Offset: 0x13
180 ; RELOC-NEXT: - Type: R_WASM_FUNCTION_INDEX_LEB
181 ; RELOC-NEXT: Index: 1
182 ; RELOC-NEXT: Offset: 0x1C
183 ; RELOC-NEXT: - Type: R_WASM_GLOBAL_INDEX_LEB
184 ; RELOC-NEXT: Index: 6
185 ; RELOC-NEXT: Offset: 0x27
186 ; RELOC-NEXT: - Type: R_WASM_GLOBAL_INDEX_LEB
187 ; RELOC-NEXT: Index: 6
188 ; RELOC-NEXT: Offset: 0x32
189 ; RELOC-NEXT: - Type: R_WASM_TABLE_INDEX_SLEB
190 ; RELOC-NEXT: Index: 1
191 ; RELOC-NEXT: Offset: 0x3A
192 ; RELOC-NEXT: - Type: R_WASM_FUNCTION_INDEX_LEB
193 ; RELOC-NEXT: Index: 1
194 ; RELOC-NEXT: Offset: 0x43
195 ; RELOC-NEXT: - Type: R_WASM_GLOBAL_INDEX_LEB
196 ; RELOC-NEXT: Index: 6
197 ; RELOC-NEXT: Offset: 0x50
198 ; RELOC-NEXT: - Type: R_WASM_GLOBAL_INDEX_LEB
199 ; RELOC-NEXT: Index: 6
200 ; RELOC-NEXT: Offset: 0x5D
201 ; RELOC-NEXT: - Type: R_WASM_GLOBAL_INDEX_LEB
202 ; RELOC-NEXT: Index: 6
203 ; RELOC-NEXT: Offset: 0x68
204 ; RELOC-NEXT: - Type: R_WASM_TABLE_INDEX_SLEB
205 ; RELOC-NEXT: Index: 2
206 ; RELOC-NEXT: Offset: 0x70
207 ; RELOC-NEXT: - Type: R_WASM_FUNCTION_INDEX_LEB
208 ; RELOC-NEXT: Index: 2
209 ; RELOC-NEXT: Offset: 0x79
210 ; RELOC-NEXT: - Type: R_WASM_GLOBAL_INDEX_LEB
211 ; RELOC-NEXT: Index: 6
212 ; RELOC-NEXT: Offset: 0x86
213 ; RELOC-NEXT: Functions:
214 ; RELOC-NEXT: - Index: 0
215 ; RELOC-NEXT: Locals:
216 ; RELOC-NEXT: Body: 1081808080001A0B
217 ; RELOC-NEXT: - Index: 1
218 ; RELOC-NEXT: Locals:
219 ; RELOC-NEXT: Body: 41000B
220 ; RELOC-NEXT: - Index: 2
221 ; RELOC-NEXT: Locals:
222 ; RELOC-NEXT: Body: 1081808080000B
223 ; RELOC-NEXT: - Index: 3
224 ; RELOC-NEXT: Locals:
225 ; RELOC-NEXT: Body: 1081808080000B
226 ; RELOC-NEXT: - Index: 4
227 ; RELOC-NEXT: Locals:
228 ; RELOC-NEXT: - Type: I32
229 ; RELOC-NEXT: Count: 2
230 ; RELOC-NEXT: Body: 23808080800041106B220024808080800020004181808080003602081081808080002101200041106A24808080800020010B
231 ; RELOC-NEXT: - Index: 5
232 ; RELOC-NEXT: Locals:
233 ; RELOC-NEXT: - Type: I32
234 ; RELOC-NEXT: Count: 2
235 ; RELOC-NEXT: Body: 23808080800041106B220024808080800020004181808080003602081081808080002101200041106A24808080800020010B
236 ; RELOC-NEXT: - Type: CUSTOM
237 ; RELOC-NEXT: Name: linking
238 ; RELOC-NEXT: Version: 2
239 ; RELOC-NEXT: SymbolTable:
240 ; RELOC-NEXT: - Index: 0
241 ; RELOC-NEXT: Kind: FUNCTION
242 ; RELOC-NEXT: Name: _start
243 ; RELOC-NEXT: Flags: [ ]
244 ; RELOC-NEXT: Function: 0
245 ; RELOC-NEXT: - Index: 1
246 ; RELOC-NEXT: Kind: FUNCTION
247 ; RELOC-NEXT: Name: alias_fn
248 ; RELOC-NEXT: Flags: [ BINDING_WEAK ]
249 ; RELOC-NEXT: Function: 1
250 ; RELOC-NEXT: - Index: 2
251 ; RELOC-NEXT: Kind: FUNCTION
252 ; RELOC-NEXT: Name: direct_fn
253 ; RELOC-NEXT: Flags: [ ]
254 ; RELOC-NEXT: Function: 1
255 ; RELOC-NEXT: - Index: 3
256 ; RELOC-NEXT: Kind: FUNCTION
257 ; RELOC-NEXT: Name: call_direct
258 ; RELOC-NEXT: Flags: [ ]
259 ; RELOC-NEXT: Function: 2
260 ; RELOC-NEXT: - Index: 4
261 ; RELOC-NEXT: Kind: FUNCTION
262 ; RELOC-NEXT: Name: call_alias
263 ; RELOC-NEXT: Flags: [ ]
264 ; RELOC-NEXT: Function: 3
265 ; RELOC-NEXT: - Index: 5
266 ; RELOC-NEXT: Kind: FUNCTION
267 ; RELOC-NEXT: Name: call_alias_ptr
268 ; RELOC-NEXT: Flags: [ ]
269 ; RELOC-NEXT: Function: 4
270 ; RELOC-NEXT: - Index: 6
271 ; RELOC-NEXT: Kind: GLOBAL
272 ; RELOC-NEXT: Name: __stack_pointer
273 ; RELOC-NEXT: Flags: [ UNDEFINED ]
274 ; RELOC-NEXT: Global: 0
275 ; RELOC-NEXT: - Index: 7
276 ; RELOC-NEXT: Kind: FUNCTION
277 ; RELOC-NEXT: Name: call_direct_ptr
278 ; RELOC-NEXT: Flags: [ ]
279 ; RELOC-NEXT: Function: 5
280 ; RELOC-NEXT: - Index: 8
281 ; RELOC-NEXT: Kind: TABLE
282 ; RELOC-NEXT: Name: __indirect_function_table
283 ; RELOC-NEXT: Flags: [ UNDEFINED, NO_STRIP ]
284 ; RELOC-NEXT: Table: 0
285 ; RELOC-NEXT: - Type: CUSTOM
286 ; RELOC-NEXT: Name: name
287 ; RELOC-NEXT: FunctionNames:
288 ; RELOC-NEXT: - Index: 0
289 ; RELOC-NEXT: Name: _start
290 ; RELOC-NEXT: - Index: 1
291 ; RELOC-NEXT: Name: direct_fn
292 ; RELOC-NEXT: - Index: 2
293 ; RELOC-NEXT: Name: call_direct
294 ; RELOC-NEXT: - Index: 3
295 ; RELOC-NEXT: Name: call_alias
296 ; RELOC-NEXT: - Index: 4
297 ; RELOC-NEXT: Name: call_alias_ptr
298 ; RELOC-NEXT: - Index: 5
299 ; RELOC-NEXT: Name: call_direct_ptr
300 ; RELOC-NEXT: GlobalNames:
301 ; RELOC-NEXT: - Index: 0
302 ; RELOC-NEXT: Name: __stack_pointer