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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 |
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40 | 40 |
41 | 41 |
42 // Tests that writing both types of positions and then reading either | 42 // Tests that writing both types of positions and then reading either |
43 // or both works as expected. | 43 // or both works as expected. |
44 TEST(Positions) { | 44 TEST(Positions) { |
45 const int code_size = 10 * KB; | 45 const int code_size = 10 * KB; |
46 int relocation_info_size = 10 * KB; | 46 int relocation_info_size = 10 * KB; |
47 const int buffer_size = code_size + relocation_info_size; | 47 const int buffer_size = code_size + relocation_info_size; |
48 SmartArrayPointer<byte> buffer(new byte[buffer_size]); | 48 SmartArrayPointer<byte> buffer(new byte[buffer_size]); |
49 | 49 |
50 byte* pc = *buffer; | 50 byte* pc = buffer.get(); |
51 byte* buffer_end = *buffer + buffer_size; | 51 byte* buffer_end = buffer.get() + buffer_size; |
52 | 52 |
53 RelocInfoWriter writer(buffer_end, pc); | 53 RelocInfoWriter writer(buffer_end, pc); |
54 byte* relocation_info_end = buffer_end - relocation_info_size; | 54 byte* relocation_info_end = buffer_end - relocation_info_size; |
55 for (int i = 0, pos = 0; i < 100; i++, pc += i, pos += i) { | 55 for (int i = 0, pos = 0; i < 100; i++, pc += i, pos += i) { |
56 RelocInfo::Mode mode = (i % 2 == 0) ? | 56 RelocInfo::Mode mode = (i % 2 == 0) ? |
57 RelocInfo::STATEMENT_POSITION : RelocInfo::POSITION; | 57 RelocInfo::STATEMENT_POSITION : RelocInfo::POSITION; |
58 WriteRinfo(&writer, pc, mode, pos); | 58 WriteRinfo(&writer, pc, mode, pos); |
59 CHECK(writer.pos() - RelocInfoWriter::kMaxSize >= relocation_info_end); | 59 CHECK(writer.pos() - RelocInfoWriter::kMaxSize >= relocation_info_end); |
60 } | 60 } |
61 | 61 |
62 relocation_info_size = static_cast<int>(buffer_end - writer.pos()); | 62 relocation_info_size = static_cast<int>(buffer_end - writer.pos()); |
63 CodeDesc desc = { *buffer, buffer_size, code_size, | 63 CodeDesc desc = { buffer.get(), buffer_size, code_size, |
64 relocation_info_size, NULL }; | 64 relocation_info_size, NULL }; |
65 | 65 |
66 // Read only (non-statement) positions. | 66 // Read only (non-statement) positions. |
67 { | 67 { |
68 RelocIterator it(desc, RelocInfo::ModeMask(RelocInfo::POSITION)); | 68 RelocIterator it(desc, RelocInfo::ModeMask(RelocInfo::POSITION)); |
69 pc = *buffer; | 69 pc = buffer.get(); |
70 for (int i = 0, pos = 0; i < 100; i++, pc += i, pos += i) { | 70 for (int i = 0, pos = 0; i < 100; i++, pc += i, pos += i) { |
71 RelocInfo::Mode mode = (i % 2 == 0) ? | 71 RelocInfo::Mode mode = (i % 2 == 0) ? |
72 RelocInfo::STATEMENT_POSITION : RelocInfo::POSITION; | 72 RelocInfo::STATEMENT_POSITION : RelocInfo::POSITION; |
73 if (mode == RelocInfo::POSITION) { | 73 if (mode == RelocInfo::POSITION) { |
74 CHECK_EQ(pc, it.rinfo()->pc()); | 74 CHECK_EQ(pc, it.rinfo()->pc()); |
75 CHECK_EQ(mode, it.rinfo()->rmode()); | 75 CHECK_EQ(mode, it.rinfo()->rmode()); |
76 CHECK_EQ(pos, static_cast<int>(it.rinfo()->data())); | 76 CHECK_EQ(pos, static_cast<int>(it.rinfo()->data())); |
77 it.next(); | 77 it.next(); |
78 } | 78 } |
79 } | 79 } |
80 CHECK(it.done()); | 80 CHECK(it.done()); |
81 } | 81 } |
82 | 82 |
83 // Read only statement positions. | 83 // Read only statement positions. |
84 { | 84 { |
85 RelocIterator it(desc, RelocInfo::ModeMask(RelocInfo::STATEMENT_POSITION)); | 85 RelocIterator it(desc, RelocInfo::ModeMask(RelocInfo::STATEMENT_POSITION)); |
86 pc = *buffer; | 86 pc = buffer.get(); |
87 for (int i = 0, pos = 0; i < 100; i++, pc += i, pos += i) { | 87 for (int i = 0, pos = 0; i < 100; i++, pc += i, pos += i) { |
88 RelocInfo::Mode mode = (i % 2 == 0) ? | 88 RelocInfo::Mode mode = (i % 2 == 0) ? |
89 RelocInfo::STATEMENT_POSITION : RelocInfo::POSITION; | 89 RelocInfo::STATEMENT_POSITION : RelocInfo::POSITION; |
90 if (mode == RelocInfo::STATEMENT_POSITION) { | 90 if (mode == RelocInfo::STATEMENT_POSITION) { |
91 CHECK_EQ(pc, it.rinfo()->pc()); | 91 CHECK_EQ(pc, it.rinfo()->pc()); |
92 CHECK_EQ(mode, it.rinfo()->rmode()); | 92 CHECK_EQ(mode, it.rinfo()->rmode()); |
93 CHECK_EQ(pos, static_cast<int>(it.rinfo()->data())); | 93 CHECK_EQ(pos, static_cast<int>(it.rinfo()->data())); |
94 it.next(); | 94 it.next(); |
95 } | 95 } |
96 } | 96 } |
97 CHECK(it.done()); | 97 CHECK(it.done()); |
98 } | 98 } |
99 | 99 |
100 // Read both types of positions. | 100 // Read both types of positions. |
101 { | 101 { |
102 RelocIterator it(desc, RelocInfo::kPositionMask); | 102 RelocIterator it(desc, RelocInfo::kPositionMask); |
103 pc = *buffer; | 103 pc = buffer.get(); |
104 for (int i = 0, pos = 0; i < 100; i++, pc += i, pos += i) { | 104 for (int i = 0, pos = 0; i < 100; i++, pc += i, pos += i) { |
105 RelocInfo::Mode mode = (i % 2 == 0) ? | 105 RelocInfo::Mode mode = (i % 2 == 0) ? |
106 RelocInfo::STATEMENT_POSITION : RelocInfo::POSITION; | 106 RelocInfo::STATEMENT_POSITION : RelocInfo::POSITION; |
107 CHECK_EQ(pc, it.rinfo()->pc()); | 107 CHECK_EQ(pc, it.rinfo()->pc()); |
108 CHECK_EQ(mode, it.rinfo()->rmode()); | 108 CHECK_EQ(mode, it.rinfo()->rmode()); |
109 CHECK_EQ(pos, static_cast<int>(it.rinfo()->data())); | 109 CHECK_EQ(pos, static_cast<int>(it.rinfo()->data())); |
110 it.next(); | 110 it.next(); |
111 } | 111 } |
112 CHECK(it.done()); | 112 CHECK(it.done()); |
113 } | 113 } |
114 } | 114 } |
115 | 115 |
116 } } // namespace v8::internal | 116 } } // namespace v8::internal |
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