Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1 | // Copyright 2011 the V8 project authors. All rights reserved. |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 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. |
| 27 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 28 | #include "src/assembler.h" |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 29 | #include "src/macro-assembler.h" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 30 | #include "test/cctest/cctest.h" |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 31 | |
| 32 | namespace v8 { |
| 33 | namespace internal { |
| 34 | |
| 35 | static void WriteRinfo(RelocInfoWriter* writer, |
| 36 | byte* pc, RelocInfo::Mode mode, intptr_t data) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 37 | RelocInfo rinfo(CcTest::i_isolate(), pc, mode, data, NULL); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 38 | writer->Write(&rinfo); |
| 39 | } |
| 40 | |
| 41 | |
| 42 | // Tests that writing both types of positions and then reading either |
| 43 | // or both works as expected. |
| 44 | TEST(Positions) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 45 | CcTest::InitializeVM(); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 46 | const int code_size = 10 * KB; |
| 47 | int relocation_info_size = 10 * KB; |
| 48 | const int buffer_size = code_size + relocation_info_size; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 49 | v8::base::SmartArrayPointer<byte> buffer(new byte[buffer_size]); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 50 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 51 | byte* pc = buffer.get(); |
| 52 | byte* buffer_end = buffer.get() + buffer_size; |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 53 | |
| 54 | RelocInfoWriter writer(buffer_end, pc); |
| 55 | byte* relocation_info_end = buffer_end - relocation_info_size; |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 56 | for (int i = 0, pos = 0; i < 100; i++, pc += i, pos += i) { |
| 57 | RelocInfo::Mode mode = (i % 2 == 0) ? |
| 58 | RelocInfo::STATEMENT_POSITION : RelocInfo::POSITION; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 59 | if (mode == RelocInfo::STATEMENT_POSITION) { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 60 | printf("TEST WRITING STATEMENT %p %d\n", static_cast<void*>(pc), pos); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 61 | } else { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 62 | printf("TEST WRITING POSITION %p %d\n", static_cast<void*>(pc), pos); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 63 | } |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 64 | WriteRinfo(&writer, pc, mode, pos); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 65 | CHECK(writer.pos() - RelocInfoWriter::kMaxSize >= relocation_info_end); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 66 | } |
| 67 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 68 | writer.Finish(); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 69 | relocation_info_size = static_cast<int>(buffer_end - writer.pos()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 70 | MacroAssembler assm(CcTest::i_isolate(), nullptr, 0, CodeObjectRequired::kNo); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 71 | CodeDesc desc = { |
| 72 | buffer.get(), buffer_size, code_size, relocation_info_size, 0, |
| 73 | nullptr, 0, &assm}; |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 74 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 75 | // Read only (non-statement) positions. |
| 76 | { |
| 77 | RelocIterator it(desc, RelocInfo::ModeMask(RelocInfo::POSITION)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 78 | pc = buffer.get(); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 79 | for (int i = 0, pos = 0; i < 100; i++, pc += i, pos += i) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 80 | printf("TESTING 1: %d\n", i); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 81 | RelocInfo::Mode mode = (i % 2 == 0) ? |
| 82 | RelocInfo::STATEMENT_POSITION : RelocInfo::POSITION; |
| 83 | if (mode == RelocInfo::POSITION) { |
| 84 | CHECK_EQ(pc, it.rinfo()->pc()); |
| 85 | CHECK_EQ(mode, it.rinfo()->rmode()); |
| 86 | CHECK_EQ(pos, static_cast<int>(it.rinfo()->data())); |
| 87 | it.next(); |
| 88 | } |
| 89 | } |
| 90 | CHECK(it.done()); |
| 91 | } |
| 92 | |
| 93 | // Read only statement positions. |
| 94 | { |
| 95 | RelocIterator it(desc, RelocInfo::ModeMask(RelocInfo::STATEMENT_POSITION)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 96 | pc = buffer.get(); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 97 | for (int i = 0, pos = 0; i < 100; i++, pc += i, pos += i) { |
| 98 | RelocInfo::Mode mode = (i % 2 == 0) ? |
| 99 | RelocInfo::STATEMENT_POSITION : RelocInfo::POSITION; |
| 100 | if (mode == RelocInfo::STATEMENT_POSITION) { |
| 101 | CHECK_EQ(pc, it.rinfo()->pc()); |
| 102 | CHECK_EQ(mode, it.rinfo()->rmode()); |
| 103 | CHECK_EQ(pos, static_cast<int>(it.rinfo()->data())); |
| 104 | it.next(); |
| 105 | } |
| 106 | } |
| 107 | CHECK(it.done()); |
| 108 | } |
| 109 | |
| 110 | // Read both types of positions. |
| 111 | { |
| 112 | RelocIterator it(desc, RelocInfo::kPositionMask); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 113 | pc = buffer.get(); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 114 | for (int i = 0, pos = 0; i < 100; i++, pc += i, pos += i) { |
| 115 | RelocInfo::Mode mode = (i % 2 == 0) ? |
| 116 | RelocInfo::STATEMENT_POSITION : RelocInfo::POSITION; |
| 117 | CHECK_EQ(pc, it.rinfo()->pc()); |
| 118 | CHECK_EQ(mode, it.rinfo()->rmode()); |
| 119 | CHECK_EQ(pos, static_cast<int>(it.rinfo()->data())); |
| 120 | it.next(); |
| 121 | } |
| 122 | CHECK(it.done()); |
| 123 | } |
| 124 | } |
| 125 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 126 | } // namespace internal |
| 127 | } // namespace v8 |