Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 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 | // Flags: --expose-wasm |
| 6 | |
| 7 | load("test/mjsunit/wasm/wasm-constants.js"); |
| 8 | |
| 9 | function testCallFFI(func, check) { |
| 10 | var kBodySize = 6; |
| 11 | var kNameFunOffset = 24 + kBodySize + 1; |
| 12 | var kNameMainOffset = kNameFunOffset + 4; |
| 13 | |
| 14 | var ffi = new Object(); |
| 15 | ffi.fun = func; |
| 16 | |
| 17 | var data = bytes( |
| 18 | // signatures |
| 19 | kDeclSignatures, 1, |
| 20 | 2, kAstI32, kAstF64, kAstF64, // (f64,f64) -> int |
| 21 | // -- foreign function |
| 22 | kDeclFunctions, 2, |
| 23 | kDeclFunctionName | kDeclFunctionImport, |
| 24 | 0, 0, |
| 25 | kNameFunOffset, 0, 0, 0, // name offset |
| 26 | // -- main function |
| 27 | kDeclFunctionName | kDeclFunctionExport, |
| 28 | 0, 0, |
| 29 | kNameMainOffset, 0, 0, 0, // name offset |
| 30 | kBodySize, 0, |
| 31 | // main body |
| 32 | kExprCallFunction, 0, // -- |
| 33 | kExprGetLocal, 0, // -- |
| 34 | kExprGetLocal, 1, // -- |
| 35 | // names |
| 36 | kDeclEnd, |
| 37 | 'f', 'u', 'n', 0, // -- |
| 38 | 'm', 'a', 'i', 'n', 0 // -- |
| 39 | ); |
| 40 | |
| 41 | var module = _WASMEXP_.instantiateModule(data, ffi); |
| 42 | |
| 43 | assertEquals("function", typeof module.main); |
| 44 | |
| 45 | for (var i = 0; i < 100000; i += 10003) { |
| 46 | var a = 22.5 + i, b = 10.5 + i; |
| 47 | var r = module.main(a, b); |
| 48 | check(r, a, b); |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | var global = (function() { return this; })(); |
| 53 | var params = [-99, -99, -99, -99]; |
| 54 | var was_called = false; |
| 55 | var length = -1; |
| 56 | |
| 57 | function FOREIGN_SUB(a, b) { |
| 58 | print("FOREIGN_SUB(" + a + ", " + b + ")"); |
| 59 | was_called = true; |
| 60 | params[0] = this; |
| 61 | params[1] = a; |
| 62 | params[2] = b; |
| 63 | return (a - b) | 0; |
| 64 | } |
| 65 | |
| 66 | function check_FOREIGN_SUB(r, a, b) { |
| 67 | assertEquals(a - b | 0, r); |
| 68 | assertTrue(was_called); |
| 69 | // assertEquals(global, params[0]); // sloppy mode |
| 70 | assertEquals(a, params[1]); |
| 71 | assertEquals(b, params[2]); |
| 72 | was_called = false; |
| 73 | } |
| 74 | |
| 75 | testCallFFI(FOREIGN_SUB, check_FOREIGN_SUB); |
| 76 | |
| 77 | |
| 78 | function FOREIGN_ABCD(a, b, c, d) { |
| 79 | print("FOREIGN_ABCD(" + a + ", " + b + ", " + c + ", " + d + ")"); |
| 80 | was_called = true; |
| 81 | params[0] = this; |
| 82 | params[1] = a; |
| 83 | params[2] = b; |
| 84 | params[3] = c; |
| 85 | params[4] = d; |
| 86 | return (a * b * 6) | 0; |
| 87 | } |
| 88 | |
| 89 | function check_FOREIGN_ABCD(r, a, b) { |
| 90 | assertEquals((a * b * 6) | 0, r); |
| 91 | assertTrue(was_called); |
| 92 | // assertEquals(global, params[0]); // sloppy mode. |
| 93 | assertEquals(a, params[1]); |
| 94 | assertEquals(b, params[2]); |
| 95 | assertEquals(undefined, params[3]); |
| 96 | assertEquals(undefined, params[4]); |
| 97 | was_called = false; |
| 98 | } |
| 99 | |
| 100 | testCallFFI(FOREIGN_ABCD, check_FOREIGN_ABCD); |
| 101 | |
| 102 | function FOREIGN_ARGUMENTS0() { |
| 103 | print("FOREIGN_ARGUMENTS0"); |
| 104 | was_called = true; |
| 105 | length = arguments.length; |
| 106 | for (var i = 0; i < arguments.length; i++) { |
| 107 | params[i] = arguments[i]; |
| 108 | } |
| 109 | return (arguments[0] * arguments[1] * 7) | 0; |
| 110 | } |
| 111 | |
| 112 | function FOREIGN_ARGUMENTS1(a) { |
| 113 | print("FOREIGN_ARGUMENTS1", a); |
| 114 | was_called = true; |
| 115 | length = arguments.length; |
| 116 | for (var i = 0; i < arguments.length; i++) { |
| 117 | params[i] = arguments[i]; |
| 118 | } |
| 119 | return (arguments[0] * arguments[1] * 7) | 0; |
| 120 | } |
| 121 | |
| 122 | function FOREIGN_ARGUMENTS2(a, b) { |
| 123 | print("FOREIGN_ARGUMENTS2", a, b); |
| 124 | was_called = true; |
| 125 | length = arguments.length; |
| 126 | for (var i = 0; i < arguments.length; i++) { |
| 127 | params[i] = arguments[i]; |
| 128 | } |
| 129 | return (a * b * 7) | 0; |
| 130 | } |
| 131 | |
| 132 | function FOREIGN_ARGUMENTS3(a, b, c) { |
| 133 | print("FOREIGN_ARGUMENTS3", a, b, c); |
| 134 | was_called = true; |
| 135 | length = arguments.length; |
| 136 | for (var i = 0; i < arguments.length; i++) { |
| 137 | params[i] = arguments[i]; |
| 138 | } |
| 139 | return (a * b * 7) | 0; |
| 140 | } |
| 141 | |
| 142 | function FOREIGN_ARGUMENTS4(a, b, c, d) { |
| 143 | print("FOREIGN_ARGUMENTS4", a, b, c, d); |
| 144 | was_called = true; |
| 145 | length = arguments.length; |
| 146 | for (var i = 0; i < arguments.length; i++) { |
| 147 | params[i] = arguments[i]; |
| 148 | } |
| 149 | return (a * b * 7) | 0; |
| 150 | } |
| 151 | |
| 152 | function check_FOREIGN_ARGUMENTS(r, a, b) { |
| 153 | assertEquals((a * b * 7) | 0, r); |
| 154 | assertTrue(was_called); |
| 155 | assertEquals(2, length); |
| 156 | assertEquals(a, params[0]); |
| 157 | assertEquals(b, params[1]); |
| 158 | was_called = false; |
| 159 | } |
| 160 | |
| 161 | // Check a bunch of uses of the arguments object. |
| 162 | testCallFFI(FOREIGN_ARGUMENTS0, check_FOREIGN_ARGUMENTS); |
| 163 | testCallFFI(FOREIGN_ARGUMENTS1, check_FOREIGN_ARGUMENTS); |
| 164 | testCallFFI(FOREIGN_ARGUMENTS2, check_FOREIGN_ARGUMENTS); |
| 165 | testCallFFI(FOREIGN_ARGUMENTS3, check_FOREIGN_ARGUMENTS); |
| 166 | testCallFFI(FOREIGN_ARGUMENTS4, check_FOREIGN_ARGUMENTS); |
| 167 | |
| 168 | function returnValue(val) { |
| 169 | return function(a, b) { |
| 170 | print("RETURN_VALUE ", val); |
| 171 | return val; |
| 172 | } |
| 173 | } |
| 174 | |
| 175 | |
| 176 | function checkReturn(expected) { |
| 177 | return function(r, a, b) { assertEquals(expected, r); } |
| 178 | } |
| 179 | |
| 180 | // Check that returning weird values doesn't crash |
| 181 | testCallFFI(returnValue(undefined), checkReturn(0)); |
| 182 | testCallFFI(returnValue(null), checkReturn(0)); |
| 183 | testCallFFI(returnValue("0"), checkReturn(0)); |
| 184 | testCallFFI(returnValue("-77"), checkReturn(-77)); |
| 185 | |
| 186 | var objWithValueOf = {valueOf: function() { return 198; }} |
| 187 | |
| 188 | testCallFFI(returnValue(objWithValueOf), checkReturn(198)); |
| 189 | |
| 190 | |
| 191 | function testCallBinopVoid(type, func, check) { |
| 192 | var kBodySize = 10; |
| 193 | var kNameFunOffset = 28 + kBodySize + 1; |
| 194 | var kNameMainOffset = kNameFunOffset + 4; |
| 195 | |
| 196 | var ffi = new Object(); |
| 197 | |
| 198 | var passed_length = -1; |
| 199 | var passed_a = -1; |
| 200 | var passed_b = -1; |
| 201 | var args_a = -1; |
| 202 | var args_b = -1; |
| 203 | |
| 204 | ffi.fun = function(a, b) { |
| 205 | passed_length = arguments.length; |
| 206 | passed_a = a; |
| 207 | passed_b = b; |
| 208 | args_a = arguments[0]; |
| 209 | args_b = arguments[1]; |
| 210 | } |
| 211 | |
| 212 | var data = bytes( |
| 213 | // -- signatures |
| 214 | kDeclSignatures, 2, |
| 215 | 2, kAstStmt, type, type, // (type,type)->void |
| 216 | 2, kAstI32, type, type, // (type,type)->int |
| 217 | // -- foreign function |
| 218 | kDeclFunctions, 2, |
| 219 | kDeclFunctionName | kDeclFunctionImport, |
| 220 | 0, 0, // signature index |
| 221 | kNameFunOffset, 0, 0, 0, // name offset |
| 222 | // -- main function |
| 223 | kDeclFunctionName | kDeclFunctionExport, |
| 224 | 1, 0, // signature index |
| 225 | kNameMainOffset, 0, 0, 0, // name offset |
| 226 | kBodySize, 0, // body size |
| 227 | // main body |
| 228 | kExprBlock, 2, // -- |
| 229 | kExprCallFunction, 0, // -- |
| 230 | kExprGetLocal, 0, // -- |
| 231 | kExprGetLocal, 1, // -- |
| 232 | kExprI8Const, 99, // -- |
| 233 | // names |
| 234 | kDeclEnd, |
| 235 | 'f', 'u', 'n', 0, // -- |
| 236 | 'm', 'a', 'i', 'n', 0 // -- |
| 237 | ); |
| 238 | |
| 239 | var module = _WASMEXP_.instantiateModule(data, ffi); |
| 240 | |
| 241 | assertEquals("function", typeof module.main); |
| 242 | |
| 243 | print("testCallBinopVoid", type); |
| 244 | |
| 245 | for (var i = 0; i < 100000; i += 10003.1) { |
| 246 | var a = 22.5 + i, b = 10.5 + i; |
| 247 | var r = module.main(a, b); |
| 248 | assertEquals(99, r); |
| 249 | assertEquals(2, passed_length); |
| 250 | var expected_a, expected_b; |
| 251 | switch (type) { |
| 252 | case kAstI32: { |
| 253 | expected_a = a | 0; |
| 254 | expected_b = b | 0; |
| 255 | break; |
| 256 | } |
| 257 | case kAstF32: { |
| 258 | expected_a = Math.fround(a); |
| 259 | expected_b = Math.fround(b); |
| 260 | break; |
| 261 | } |
| 262 | case kAstF64: { |
| 263 | expected_a = a; |
| 264 | expected_b = b; |
| 265 | break; |
| 266 | } |
| 267 | } |
| 268 | |
| 269 | assertEquals(expected_a, args_a); |
| 270 | assertEquals(expected_b, args_b); |
| 271 | assertEquals(expected_a, passed_a); |
| 272 | assertEquals(expected_b, passed_b); |
| 273 | } |
| 274 | } |
| 275 | |
| 276 | |
| 277 | testCallBinopVoid(kAstI32); |
| 278 | // TODO testCallBinopVoid(kAstI64); |
| 279 | testCallBinopVoid(kAstF32); |
| 280 | testCallBinopVoid(kAstF64); |
| 281 | |
| 282 | |
| 283 | |
| 284 | function testCallPrint() { |
| 285 | var kBodySize = 10; |
| 286 | var kNamePrintOffset = 10 + 7 + 7 + 9 + kBodySize + 1; |
| 287 | var kNameMainOffset = kNamePrintOffset + 6; |
| 288 | |
| 289 | var ffi = new Object(); |
| 290 | ffi.print = print; |
| 291 | |
| 292 | var data = bytes( |
| 293 | // -- signatures |
| 294 | kDeclSignatures, 2, |
| 295 | 1, kAstStmt, kAstI32, // i32->void |
| 296 | 1, kAstStmt, kAstF64, // f64->int |
| 297 | kDeclFunctions, 3, |
| 298 | // -- import print i32 |
| 299 | kDeclFunctionName | kDeclFunctionImport, |
| 300 | 0, 0, // signature index |
| 301 | kNamePrintOffset, 0, 0, 0, // name offset |
| 302 | // -- import print f64 |
| 303 | kDeclFunctionName | kDeclFunctionImport, |
| 304 | 1, 0, // signature index |
| 305 | kNamePrintOffset, 0, 0, 0, // name offset |
| 306 | // -- decl main |
| 307 | kDeclFunctionName | kDeclFunctionExport, |
| 308 | 1, 0, // signature index |
| 309 | kNameMainOffset, 0, 0, 0, // name offset |
| 310 | kBodySize, 0, // body size |
| 311 | // main body |
| 312 | kExprBlock, 2, // -- |
| 313 | kExprCallFunction, 0, // -- |
| 314 | kExprI8Const, 97, // -- |
| 315 | kExprCallFunction, 1, // -- |
| 316 | kExprGetLocal, 0, // -- |
| 317 | // names |
| 318 | kDeclEnd, |
| 319 | 'p', 'r', 'i', 'n', 't', 0, // -- |
| 320 | 'm', 'a', 'i', 'n', 0 // -- |
| 321 | ); |
| 322 | |
| 323 | var module = _WASMEXP_.instantiateModule(data, ffi); |
| 324 | |
| 325 | assertEquals("function", typeof module.main); |
| 326 | |
| 327 | for (var i = -9; i < 900; i += 6.125) { |
| 328 | module.main(i); |
| 329 | } |
| 330 | } |
| 331 | |
| 332 | testCallPrint(); |
| 333 | testCallPrint(); |