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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
11 // with the distribution. | 11 // with the distribution. |
12 // * Neither the name of Google Inc. nor the names of its | 12 // * Neither the name of Google Inc. nor the names of its |
13 // contributors may be used to endorse or promote products derived | 13 // contributors may be used to endorse or promote products derived |
14 // from this software without specific prior written permission. | 14 // from this software without specific prior written permission. |
15 // | 15 // |
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 // Flags: --allow-natives-syntax --noparallel-recompilation | 28 // Flags: --allow-natives-syntax |
29 | 29 |
30 // An exception thrown in a function optimized by on-stack replacement (OSR) | 30 // An exception thrown in a function optimized by on-stack replacement (OSR) |
31 // should be able to construct a receiver from all optimized stack frames. | 31 // should be able to construct a receiver from all optimized stack frames. |
32 | 32 |
33 function A() { } | 33 function A() { } |
34 A.prototype.f = function() { } | 34 A.prototype.f = function() { } |
35 | 35 |
36 function B() { } | 36 function B() { } |
37 | 37 |
38 var o = new A(); | 38 var o = new A(); |
39 | 39 |
40 // This function throws if o does not have an f property, and should not be | 40 // This function throws if o does not have an f property, and should not be |
41 // inlined. | 41 // inlined. |
42 function g() { try { return o.f(); } finally { }} | 42 function g() { try { return o.f(); } finally { }} |
43 | 43 |
44 // Optimization status (see runtime.cc): | 44 // Optimization status (see runtime.cc): |
45 // 1 - yes, 2 - no, 3 - always, 4 - never. | 45 // 1 - yes, 2 - no, 3 - always, 4 - never. |
46 | 46 |
47 // This function should be optimized via OSR. | 47 // This function should be optimized via OSR. |
48 function h() { | 48 function h() { |
49 var optstatus = %GetOptimizationStatus(h); | 49 var optstatus = %GetOptimizationStatus(h); |
50 if (optstatus == 4) { | 50 if (optstatus == 4) { |
51 // Optimizations are globally disabled; just run once. | 51 // Optimizations are globally disabled; just run once. |
52 g(); | 52 g(); |
53 } else { | 53 } else { |
54 // Run for a bit as long as h is unoptimized. | 54 // Run for a bit as long as h is unoptimized. |
55 while (%GetOptimizationStatus(h) == 2) { | 55 while (%GetOptimizationStatus(h, "no sync") == 2) { |
56 for (var j = 0; j < 100; j++) g(); | 56 for (var j = 0; j < 100; j++) g(); |
57 } | 57 } |
58 g(); | 58 g(); |
59 } | 59 } |
60 } | 60 } |
61 | 61 |
62 h(); | 62 h(); |
63 o = new B(); | 63 o = new B(); |
64 assertThrows("h()"); | 64 assertThrows("h()"); |
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