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1 // Copyright 2015 the V8 project authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Flags: --expose-wasm | 5 // Flags: --expose-wasm |
6 | 6 |
7 function bytes() { | 7 function bytes() { |
8 var buffer = new ArrayBuffer(arguments.length); | 8 var buffer = new ArrayBuffer(arguments.length); |
9 var view = new Uint8Array(buffer); | 9 var view = new Uint8Array(buffer); |
10 for (var i = 0; i < arguments.length; i++) { | 10 for (var i = 0; i < arguments.length; i++) { |
11 var val = arguments[i]; | 11 var val = arguments[i]; |
12 if ((typeof val) == "string") val = val.charCodeAt(0); | 12 if ((typeof val) == "string") val = val.charCodeAt(0); |
13 view[i] = val | 0; | 13 view[i] = val | 0; |
14 } | 14 } |
15 return buffer; | 15 return buffer; |
16 } | 16 } |
17 | 17 |
18 // Header declaration constants | 18 // Header declaration constants |
19 var kWasmH0 = 0; | 19 var kWasmH0 = 0; |
20 var kWasmH1 = 0x61; | 20 var kWasmH1 = 0x61; |
21 var kWasmH2 = 0x73; | 21 var kWasmH2 = 0x73; |
22 var kWasmH3 = 0x6d; | 22 var kWasmH3 = 0x6d; |
23 | 23 |
24 var kWasmV0 = 11; | 24 var kWasmV0 = 0xC; |
25 var kWasmV1 = 0; | 25 var kWasmV1 = 0; |
26 var kWasmV2 = 0; | 26 var kWasmV2 = 0; |
27 var kWasmV3 = 0; | 27 var kWasmV3 = 0; |
28 | 28 |
29 var kHeaderSize = 8; | 29 var kHeaderSize = 8; |
30 var kPageSize = 65536; | 30 var kPageSize = 65536; |
31 | 31 |
32 function bytesWithHeader() { | 32 function bytesWithHeader() { |
33 var buffer = new ArrayBuffer(kHeaderSize + arguments.length); | 33 var buffer = new ArrayBuffer(kHeaderSize + arguments.length); |
34 var view = new Uint8Array(buffer); | 34 var view = new Uint8Array(buffer); |
35 view[0] = kWasmH0; | 35 view[0] = kWasmH0; |
36 view[1] = kWasmH1; | 36 view[1] = kWasmH1; |
37 view[2] = kWasmH2; | 37 view[2] = kWasmH2; |
38 view[3] = kWasmH3; | 38 view[3] = kWasmH3; |
39 view[4] = kWasmV0; | 39 view[4] = kWasmV0; |
40 view[5] = kWasmV1; | 40 view[5] = kWasmV1; |
41 view[6] = kWasmV2; | 41 view[6] = kWasmV2; |
42 view[7] = kWasmV3; | 42 view[7] = kWasmV3; |
43 for (var i = 0; i < arguments.length; i++) { | 43 for (var i = 0; i < arguments.length; i++) { |
44 var val = arguments[i]; | 44 var val = arguments[i]; |
45 if ((typeof val) == "string") val = val.charCodeAt(0); | 45 if ((typeof val) == "string") val = val.charCodeAt(0); |
46 view[kHeaderSize + i] = val | 0; | 46 view[kHeaderSize + i] = val | 0; |
47 } | 47 } |
48 return buffer; | 48 return buffer; |
49 } | 49 } |
50 | 50 |
51 var kDeclNoLocals = 0; | 51 var kDeclNoLocals = 0; |
52 | 52 |
53 // Section declaration constants | 53 // Section declaration constants |
54 var kDeclMemory = 0x00; | 54 var kUnknownSectionCode = 0; |
55 var kDeclTypes = 0x01; | 55 var kTypeSectionCode = 1; // Function signature declarations |
56 var kDeclFunctions = 0x02; | 56 var kImportSectionCode = 2; // Import declarations |
57 var kDeclGlobals = 0x03; | 57 var kFunctionSectionCode = 3; // Function declarations |
58 var kDeclData = 0x04; | 58 var kTableSectionCode = 4; // Indirect function table and other tables |
59 var kDeclTable = 0x05; | 59 var kMemorySectionCode = 5; // Memory attributes |
60 var kDeclEnd = 0x06; | 60 var kGlobalSectionCode = 6; // Global declarations |
61 var kDeclStart = 0x07; | 61 var kExportSectionCode = 7; // Exports |
62 var kDeclImports = 0x08; | 62 var kStartSectionCode = 8; // Start function declaration |
63 var kDeclExports = 0x09; | 63 var kElementSectionCode = 9; // Elements section |
64 var kDeclFunctions = 0x0a; | 64 var kCodeSectionCode = 10; // Function code |
65 var kDeclCode = 0x0b; | 65 var kDataSectionCode = 11; // Data segments |
66 var kDeclNames = 0x0c; | 66 var kNameSectionCode = 12; // Name section (encoded as string) |
67 | 67 |
68 var kArity0 = 0; | |
69 var kArity1 = 1; | |
70 var kArity2 = 2; | |
71 var kArity3 = 3; | |
72 var kWasmFunctionTypeForm = 0x40; | 68 var kWasmFunctionTypeForm = 0x40; |
| 69 var kWasmAnyFunctionTypeForm = 0x20; |
73 | 70 |
74 var section_names = [ | 71 var kResizableMaximumFlag = 1; |
75 "memory", "type", "old_function", "global", "data", | |
76 "table", "end", "start", "import", "export", | |
77 "function", "code", "name"]; | |
78 | 72 |
79 // Function declaration flags | 73 // Function declaration flags |
80 var kDeclFunctionName = 0x01; | 74 var kDeclFunctionName = 0x01; |
81 var kDeclFunctionImport = 0x02; | 75 var kDeclFunctionImport = 0x02; |
82 var kDeclFunctionLocals = 0x04; | 76 var kDeclFunctionLocals = 0x04; |
83 var kDeclFunctionExport = 0x08; | 77 var kDeclFunctionExport = 0x08; |
84 | 78 |
85 // Local types | 79 // Local types |
86 var kAstStmt = 0; | 80 var kAstStmt = 0; |
87 var kAstI32 = 1; | 81 var kAstI32 = 1; |
88 var kAstI64 = 2; | 82 var kAstI64 = 2; |
89 var kAstF32 = 3; | 83 var kAstF32 = 3; |
90 var kAstF64 = 4; | 84 var kAstF64 = 4; |
91 | 85 |
| 86 var kExternalFunction = 0; |
| 87 var kExternalTable = 1; |
| 88 var kExternalMemory = 2; |
| 89 var kExternalGlobal = 3; |
| 90 |
92 // Useful signatures | 91 // Useful signatures |
93 var kSig_i = makeSig([], [kAstI32]); | 92 var kSig_i = makeSig([], [kAstI32]); |
94 var kSig_d = makeSig([], [kAstF64]); | 93 var kSig_d = makeSig([], [kAstF64]); |
95 var kSig_i_i = makeSig([kAstI32], [kAstI32]); | 94 var kSig_i_i = makeSig([kAstI32], [kAstI32]); |
96 var kSig_i_l = makeSig([kAstI64], [kAstI32]); | 95 var kSig_i_l = makeSig([kAstI64], [kAstI32]); |
97 var kSig_i_ii = makeSig([kAstI32, kAstI32], [kAstI32]); | 96 var kSig_i_ii = makeSig([kAstI32, kAstI32], [kAstI32]); |
98 var kSig_i_iii = makeSig([kAstI32, kAstI32, kAstI32], [kAstI32]); | 97 var kSig_i_iii = makeSig([kAstI32, kAstI32, kAstI32], [kAstI32]); |
99 var kSig_d_dd = makeSig([kAstF64, kAstF64], [kAstF64]); | 98 var kSig_d_dd = makeSig([kAstF64, kAstF64], [kAstF64]); |
100 var kSig_l_ll = makeSig([kAstI64, kAstI64], [kAstI64]); | 99 var kSig_l_ll = makeSig([kAstI64, kAstI64], [kAstI64]); |
101 var kSig_i_dd = makeSig([kAstF64, kAstF64], [kAstI32]); | 100 var kSig_i_dd = makeSig([kAstF64, kAstF64], [kAstI32]); |
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126 | 125 |
127 function makeSig_r_x(r, x) { | 126 function makeSig_r_x(r, x) { |
128 return makeSig([x], [r]); | 127 return makeSig([x], [r]); |
129 } | 128 } |
130 | 129 |
131 function makeSig_r_xx(r, x) { | 130 function makeSig_r_xx(r, x) { |
132 return makeSig([x, x], [r]); | 131 return makeSig([x, x], [r]); |
133 } | 132 } |
134 | 133 |
135 // Opcodes | 134 // Opcodes |
136 var kExprNop = 0x00; | 135 var kExprUnreachable = 0x00; |
| 136 var kExprNop = 0x0a; |
137 var kExprBlock = 0x01; | 137 var kExprBlock = 0x01; |
138 var kExprLoop = 0x02; | 138 var kExprLoop = 0x02; |
139 var kExprIf = 0x03; | 139 var kExprIf = 0x03; |
140 var kExprElse = 0x04; | 140 var kExprElse = 0x04; |
141 var kExprSelect = 0x05; | 141 var kExprSelect = 0x05; |
142 var kExprBr = 0x06; | 142 var kExprBr = 0x06; |
143 var kExprBrIf = 0x07; | 143 var kExprBrIf = 0x07; |
144 var kExprBrTable = 0x08; | 144 var kExprBrTable = 0x08; |
145 var kExprReturn = 0x09; | 145 var kExprReturn = 0x09; |
146 var kExprUnreachable = 0x0a; | |
147 var kExprThrow = 0xfa; | 146 var kExprThrow = 0xfa; |
148 var kExprEnd = 0x0f; | 147 var kExprEnd = 0x0f; |
| 148 var kExprTeeLocal = 0x19; |
| 149 var kExprDrop = 0x0b; |
149 | 150 |
150 var kExprI32Const = 0x10; | 151 var kExprI32Const = 0x10; |
151 var kExprI64Const = 0x11; | 152 var kExprI64Const = 0x11; |
152 var kExprF64Const = 0x12; | 153 var kExprF64Const = 0x12; |
153 var kExprF32Const = 0x13; | 154 var kExprF32Const = 0x13; |
154 var kExprGetLocal = 0x14; | 155 var kExprGetLocal = 0x14; |
155 var kExprSetLocal = 0x15; | 156 var kExprSetLocal = 0x15; |
156 var kExprCallFunction = 0x16; | 157 var kExprCallFunction = 0x16; |
157 var kExprCallIndirect = 0x17; | 158 var kExprCallIndirect = 0x17; |
158 var kExprCallImport = 0x18; | |
159 var kExprI8Const = 0xcb; | 159 var kExprI8Const = 0xcb; |
160 var kExprGetGlobal = 0xbb; | 160 var kExprGetGlobal = 0xbb; |
161 var kExprSetGlobal = 0xbc; | 161 var kExprSetGlobal = 0xbc; |
162 | 162 |
163 var kExprI32LoadMem8S = 0x20; | 163 var kExprI32LoadMem8S = 0x20; |
164 var kExprI32LoadMem8U = 0x21; | 164 var kExprI32LoadMem8U = 0x21; |
165 var kExprI32LoadMem16S = 0x22; | 165 var kExprI32LoadMem16S = 0x22; |
166 var kExprI32LoadMem16U = 0x23; | 166 var kExprI32LoadMem16U = 0x23; |
167 var kExprI64LoadMem8S = 0x24; | 167 var kExprI64LoadMem8S = 0x24; |
168 var kExprI64LoadMem8U = 0x25; | 168 var kExprI64LoadMem8U = 0x25; |
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360 eval(code); | 360 eval(code); |
361 } | 361 } |
362 } catch (e) { | 362 } catch (e) { |
363 assertEquals("number", typeof e); | 363 assertEquals("number", typeof e); |
364 assertEquals(value, e); | 364 assertEquals(value, e); |
365 // Success. | 365 // Success. |
366 return; | 366 return; |
367 } | 367 } |
368 throw new MjsUnitAssertionError("Did not throw at all, expected: " + value); | 368 throw new MjsUnitAssertionError("Did not throw at all, expected: " + value); |
369 } | 369 } |
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