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| 1 // Copyright 2015 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 load("test/mjsunit/wasm/wasm-constants.js"); |
| 6 |
| 7 function testCallFFI(func, check) { |
| 8 var kBodySize = 6; |
| 9 var kNameFunOffset = 24 + kBodySize + 1; |
| 10 var kNameMainOffset = kNameFunOffset + 4; |
| 11 |
| 12 var ffi = new Object(); |
| 13 ffi.fun = func; |
| 14 |
| 15 var data = bytes( |
| 16 // signatures |
| 17 kDeclSignatures, 1, |
| 18 2, kAstI32, kAstF64, kAstF64, // (f64,f64) -> int |
| 19 // -- foreign function |
| 20 kDeclFunctions, 2, |
| 21 kDeclFunctionName | kDeclFunctionImport, |
| 22 0, 0, |
| 23 kNameFunOffset, 0, 0, 0, // name offset |
| 24 // -- main function |
| 25 kDeclFunctionName | kDeclFunctionExport, |
| 26 0, 0, |
| 27 kNameMainOffset, 0, 0, 0, // name offset |
| 28 kBodySize, 0, |
| 29 // main body |
| 30 kExprCallFunction, 0, // -- |
| 31 kExprGetLocal, 0, // -- |
| 32 kExprGetLocal, 1, // -- |
| 33 // names |
| 34 kDeclEnd, |
| 35 'f', 'u', 'n', 0, // -- |
| 36 'm', 'a', 'i', 'n', 0 // -- |
| 37 ); |
| 38 |
| 39 var module = WASM.instantiateModule(data, ffi); |
| 40 |
| 41 assertEquals("function", typeof module.main); |
| 42 |
| 43 for (var i = 0; i < 100000; i += 10003) { |
| 44 var a = 22.5 + i, b = 10.5 + i; |
| 45 var r = module.main(a, b); |
| 46 check(r, a, b); |
| 47 } |
| 48 } |
| 49 |
| 50 var global = (function() { return this; })(); |
| 51 var params = [-99, -99, -99, -99]; |
| 52 var was_called = false; |
| 53 var length = -1; |
| 54 |
| 55 function FOREIGN_SUB(a, b) { |
| 56 print("FOREIGN_SUB(" + a + ", " + b + ")"); |
| 57 was_called = true; |
| 58 params[0] = this; |
| 59 params[1] = a; |
| 60 params[2] = b; |
| 61 return (a - b) | 0; |
| 62 } |
| 63 |
| 64 function check_FOREIGN_SUB(r, a, b) { |
| 65 assertEquals(a - b | 0, r); |
| 66 assertTrue(was_called); |
| 67 // assertEquals(global, params[0]); // sloppy mode |
| 68 assertEquals(a, params[1]); |
| 69 assertEquals(b, params[2]); |
| 70 was_called = false; |
| 71 } |
| 72 |
| 73 testCallFFI(FOREIGN_SUB, check_FOREIGN_SUB); |
| 74 |
| 75 |
| 76 function FOREIGN_ABCD(a, b, c, d) { |
| 77 print("FOREIGN_ABCD(" + a + ", " + b + ", " + c + ", " + d + ")"); |
| 78 was_called = true; |
| 79 params[0] = this; |
| 80 params[1] = a; |
| 81 params[2] = b; |
| 82 params[3] = c; |
| 83 params[4] = d; |
| 84 return (a * b * 6) | 0; |
| 85 } |
| 86 |
| 87 function check_FOREIGN_ABCD(r, a, b) { |
| 88 assertEquals((a * b * 6) | 0, r); |
| 89 assertTrue(was_called); |
| 90 // assertEquals(global, params[0]); // sloppy mode. |
| 91 assertEquals(a, params[1]); |
| 92 assertEquals(b, params[2]); |
| 93 assertEquals(undefined, params[3]); |
| 94 assertEquals(undefined, params[4]); |
| 95 was_called = false; |
| 96 } |
| 97 |
| 98 testCallFFI(FOREIGN_ABCD, check_FOREIGN_ABCD); |
| 99 |
| 100 function FOREIGN_ARGUMENTS0() { |
| 101 print("FOREIGN_ARGUMENTS0"); |
| 102 was_called = true; |
| 103 length = arguments.length; |
| 104 for (var i = 0; i < arguments.length; i++) { |
| 105 params[i] = arguments[i]; |
| 106 } |
| 107 return (arguments[0] * arguments[1] * 7) | 0; |
| 108 } |
| 109 |
| 110 function FOREIGN_ARGUMENTS1(a) { |
| 111 print("FOREIGN_ARGUMENTS1", a); |
| 112 was_called = true; |
| 113 length = arguments.length; |
| 114 for (var i = 0; i < arguments.length; i++) { |
| 115 params[i] = arguments[i]; |
| 116 } |
| 117 return (arguments[0] * arguments[1] * 7) | 0; |
| 118 } |
| 119 |
| 120 function FOREIGN_ARGUMENTS2(a, b) { |
| 121 print("FOREIGN_ARGUMENTS2", a, b); |
| 122 was_called = true; |
| 123 length = arguments.length; |
| 124 for (var i = 0; i < arguments.length; i++) { |
| 125 params[i] = arguments[i]; |
| 126 } |
| 127 return (a * b * 7) | 0; |
| 128 } |
| 129 |
| 130 function FOREIGN_ARGUMENTS3(a, b, c) { |
| 131 print("FOREIGN_ARGUMENTS3", a, b, c); |
| 132 was_called = true; |
| 133 length = arguments.length; |
| 134 for (var i = 0; i < arguments.length; i++) { |
| 135 params[i] = arguments[i]; |
| 136 } |
| 137 return (a * b * 7) | 0; |
| 138 } |
| 139 |
| 140 function FOREIGN_ARGUMENTS4(a, b, c, d) { |
| 141 print("FOREIGN_ARGUMENTS4", a, b, c, d); |
| 142 was_called = true; |
| 143 length = arguments.length; |
| 144 for (var i = 0; i < arguments.length; i++) { |
| 145 params[i] = arguments[i]; |
| 146 } |
| 147 return (a * b * 7) | 0; |
| 148 } |
| 149 |
| 150 function check_FOREIGN_ARGUMENTS(r, a, b) { |
| 151 assertEquals((a * b * 7) | 0, r); |
| 152 assertTrue(was_called); |
| 153 assertEquals(2, length); |
| 154 assertEquals(a, params[0]); |
| 155 assertEquals(b, params[1]); |
| 156 was_called = false; |
| 157 } |
| 158 |
| 159 // Check a bunch of uses of the arguments object. |
| 160 testCallFFI(FOREIGN_ARGUMENTS0, check_FOREIGN_ARGUMENTS); |
| 161 testCallFFI(FOREIGN_ARGUMENTS1, check_FOREIGN_ARGUMENTS); |
| 162 testCallFFI(FOREIGN_ARGUMENTS2, check_FOREIGN_ARGUMENTS); |
| 163 testCallFFI(FOREIGN_ARGUMENTS3, check_FOREIGN_ARGUMENTS); |
| 164 testCallFFI(FOREIGN_ARGUMENTS4, check_FOREIGN_ARGUMENTS); |
| 165 |
| 166 function returnValue(val) { |
| 167 return function(a, b) { |
| 168 print("RETURN_VALUE ", val); |
| 169 return val; |
| 170 } |
| 171 } |
| 172 |
| 173 |
| 174 function checkReturn(expected) { |
| 175 return function(r, a, b) { assertEquals(expected, r); } |
| 176 } |
| 177 |
| 178 // Check that returning weird values doesn't crash |
| 179 testCallFFI(returnValue(undefined), checkReturn(0)); |
| 180 testCallFFI(returnValue(null), checkReturn(0)); |
| 181 testCallFFI(returnValue("0"), checkReturn(0)); |
| 182 testCallFFI(returnValue("-77"), checkReturn(-77)); |
| 183 |
| 184 var objWithValueOf = {valueOf: function() { return 198; }} |
| 185 |
| 186 testCallFFI(returnValue(objWithValueOf), checkReturn(198)); |
| 187 |
| 188 |
| 189 function testCallBinopVoid(type, func, check) { |
| 190 var kBodySize = 10; |
| 191 var kNameFunOffset = 28 + kBodySize + 1; |
| 192 var kNameMainOffset = kNameFunOffset + 4; |
| 193 |
| 194 var ffi = new Object(); |
| 195 |
| 196 var passed_length = -1; |
| 197 var passed_a = -1; |
| 198 var passed_b = -1; |
| 199 var args_a = -1; |
| 200 var args_b = -1; |
| 201 |
| 202 ffi.fun = function(a, b) { |
| 203 passed_length = arguments.length; |
| 204 passed_a = a; |
| 205 passed_b = b; |
| 206 args_a = arguments[0]; |
| 207 args_b = arguments[1]; |
| 208 } |
| 209 |
| 210 var data = bytes( |
| 211 // -- signatures |
| 212 kDeclSignatures, 2, |
| 213 2, kAstStmt, type, type, // (type,type)->void |
| 214 2, kAstI32, type, type, // (type,type)->int |
| 215 // -- foreign function |
| 216 kDeclFunctions, 2, |
| 217 kDeclFunctionName | kDeclFunctionImport, |
| 218 0, 0, // signature index |
| 219 kNameFunOffset, 0, 0, 0, // name offset |
| 220 // -- main function |
| 221 kDeclFunctionName | kDeclFunctionExport, |
| 222 1, 0, // signature index |
| 223 kNameMainOffset, 0, 0, 0, // name offset |
| 224 kBodySize, 0, // body size |
| 225 // main body |
| 226 kExprBlock, 2, // -- |
| 227 kExprCallFunction, 0, // -- |
| 228 kExprGetLocal, 0, // -- |
| 229 kExprGetLocal, 1, // -- |
| 230 kExprI8Const, 99, // -- |
| 231 // names |
| 232 kDeclEnd, |
| 233 'f', 'u', 'n', 0, // -- |
| 234 'm', 'a', 'i', 'n', 0 // -- |
| 235 ); |
| 236 |
| 237 var module = WASM.instantiateModule(data, ffi); |
| 238 |
| 239 assertEquals("function", typeof module.main); |
| 240 |
| 241 print("testCallBinopVoid", type); |
| 242 |
| 243 for (var i = 0; i < 100000; i += 10003.1) { |
| 244 var a = 22.5 + i, b = 10.5 + i; |
| 245 var r = module.main(a, b); |
| 246 assertEquals(99, r); |
| 247 assertEquals(2, passed_length); |
| 248 var expected_a, expected_b; |
| 249 switch (type) { |
| 250 case kAstI32: { |
| 251 expected_a = a | 0; |
| 252 expected_b = b | 0; |
| 253 break; |
| 254 } |
| 255 case kAstF32: { |
| 256 expected_a = Math.fround(a); |
| 257 expected_b = Math.fround(b); |
| 258 break; |
| 259 } |
| 260 case kAstF64: { |
| 261 expected_a = a; |
| 262 expected_b = b; |
| 263 break; |
| 264 } |
| 265 } |
| 266 |
| 267 assertEquals(expected_a, args_a); |
| 268 assertEquals(expected_b, args_b); |
| 269 assertEquals(expected_a, passed_a); |
| 270 assertEquals(expected_b, passed_b); |
| 271 } |
| 272 } |
| 273 |
| 274 |
| 275 testCallBinopVoid(kAstI32); |
| 276 // TODO testCallBinopVoid(kAstI64); |
| 277 testCallBinopVoid(kAstF32); |
| 278 testCallBinopVoid(kAstF64); |
| 279 |
| 280 |
| 281 |
| 282 function testCallPrint() { |
| 283 var kBodySize = 10; |
| 284 var kNamePrintOffset = 10 + 7 + 7 + 9 + kBodySize + 1; |
| 285 var kNameMainOffset = kNamePrintOffset + 6; |
| 286 |
| 287 var ffi = new Object(); |
| 288 ffi.print = print; |
| 289 |
| 290 var data = bytes( |
| 291 // -- signatures |
| 292 kDeclSignatures, 2, |
| 293 1, kAstStmt, kAstI32, // i32->void |
| 294 1, kAstStmt, kAstF64, // f64->int |
| 295 kDeclFunctions, 3, |
| 296 // -- import print i32 |
| 297 kDeclFunctionName | kDeclFunctionImport, |
| 298 0, 0, // signature index |
| 299 kNamePrintOffset, 0, 0, 0, // name offset |
| 300 // -- import print f64 |
| 301 kDeclFunctionName | kDeclFunctionImport, |
| 302 1, 0, // signature index |
| 303 kNamePrintOffset, 0, 0, 0, // name offset |
| 304 // -- decl main |
| 305 kDeclFunctionName | kDeclFunctionExport, |
| 306 1, 0, // signature index |
| 307 kNameMainOffset, 0, 0, 0, // name offset |
| 308 kBodySize, 0, // body size |
| 309 // main body |
| 310 kExprBlock, 2, // -- |
| 311 kExprCallFunction, 0, // -- |
| 312 kExprI8Const, 97, // -- |
| 313 kExprCallFunction, 1, // -- |
| 314 kExprGetLocal, 0, // -- |
| 315 // names |
| 316 kDeclEnd, |
| 317 'p', 'r', 'i', 'n', 't', 0, // -- |
| 318 'm', 'a', 'i', 'n', 0 // -- |
| 319 ); |
| 320 |
| 321 var module = WASM.instantiateModule(data, ffi); |
| 322 |
| 323 assertEquals("function", typeof module.main); |
| 324 |
| 325 for (var i = -9; i < 900; i += 6.125) { |
| 326 module.main(i); |
| 327 } |
| 328 } |
| 329 |
| 330 testCallPrint(); |
| 331 testCallPrint(); |
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