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1 // Copyright 2012 Google Inc. All Rights Reserved. | 1 // Copyright 2012 Google Inc. All Rights Reserved. |
2 // | 2 // |
3 // Licensed under the Apache License, Version 2.0 (the "License"); | 3 // Licensed under the Apache License, Version 2.0 (the "License"); |
4 // you may not use this file except in compliance with the License. | 4 // you may not use this file except in compliance with the License. |
5 // You may obtain a copy of the License at | 5 // You may obtain a copy of the License at |
6 // | 6 // |
7 // http://www.apache.org/licenses/LICENSE-2.0 | 7 // http://www.apache.org/licenses/LICENSE-2.0 |
8 // | 8 // |
9 // Unless required by applicable law or agreed to in writing, software | 9 // Unless required by applicable law or agreed to in writing, software |
10 // distributed under the License is distributed on an "AS IS" BASIS, | 10 // distributed under the License is distributed on an "AS IS" BASIS, |
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72 ASSERT_FALSE(internal::IsZeroBufferImpl<AccessType>(buf + i, end - j)); | 72 ASSERT_FALSE(internal::IsZeroBufferImpl<AccessType>(buf + i, end - j)); |
73 buf[k] = 0; | 73 buf[k] = 0; |
74 } | 74 } |
75 } | 75 } |
76 } | 76 } |
77 } | 77 } |
78 | 78 |
79 // A derived class to expose protected members for unit-testing. | 79 // A derived class to expose protected members for unit-testing. |
80 class TestShadow : public Shadow { | 80 class TestShadow : public Shadow { |
81 public: | 81 public: |
82 TestShadow() : Shadow(kDefaultTestShadowSize) { | 82 TestShadow() : Shadow() {} |
83 } | |
84 | 83 |
85 TestShadow(size_t digits, size_t power) | 84 TestShadow(size_t digits, size_t power) |
86 : Shadow(digits << (power - kShadowRatioLog)) { | 85 : Shadow(digits << (power - kShadowRatioLog)) { |
87 } | 86 } |
88 | 87 |
89 // We'll simulate memory as being 1GB in size. | |
90 static const size_t kDefaultTestShadowSize = | |
91 (1 * 1024 * 1024 * 1024) >> kShadowRatioLog; | |
92 | |
93 // Protected functions that we want to unittest directly. | 88 // Protected functions that we want to unittest directly. |
94 using Shadow::Reset; | 89 using Shadow::Reset; |
95 using Shadow::ScanLeftForBracketingBlockStart; | 90 using Shadow::ScanLeftForBracketingBlockStart; |
96 using Shadow::ScanRightForBracketingBlockEnd; | 91 using Shadow::ScanRightForBracketingBlockEnd; |
97 using Shadow::shadow_; | 92 using Shadow::shadow_; |
98 }; | 93 }; |
99 | 94 |
100 // A fixture for shadow memory tests. | 95 // A fixture for shadow memory tests. |
101 class ShadowTest : public testing::Test { | 96 class ShadowTest : public testing::Test { |
102 public: | 97 public: |
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400 EXPECT_EQ(test_shadow.GetShadowMarkerForAddress(data + 2 * 8), | 395 EXPECT_EQ(test_shadow.GetShadowMarkerForAddress(data + 2 * 8), |
401 kHeapLeftPaddingMarker); | 396 kHeapLeftPaddingMarker); |
402 EXPECT_EQ(test_shadow.GetShadowMarkerForAddress(data + 3 * 8), | 397 EXPECT_EQ(test_shadow.GetShadowMarkerForAddress(data + 3 * 8), |
403 0); | 398 0); |
404 EXPECT_EQ(test_shadow.GetShadowMarkerForAddress(data + 4 * 8), | 399 EXPECT_EQ(test_shadow.GetShadowMarkerForAddress(data + 4 * 8), |
405 7); | 400 7); |
406 EXPECT_EQ(test_shadow.GetShadowMarkerForAddress(data + 5 * 8), | 401 EXPECT_EQ(test_shadow.GetShadowMarkerForAddress(data + 5 * 8), |
407 kHeapRightPaddingMarker); | 402 kHeapRightPaddingMarker); |
408 EXPECT_EQ(test_shadow.GetShadowMarkerForAddress(data + 6 * 8), | 403 EXPECT_EQ(test_shadow.GetShadowMarkerForAddress(data + 6 * 8), |
409 kHeapRightPaddingMarker); | 404 kHeapRightPaddingMarker); |
| 405 #ifndef _WIN64 |
410 EXPECT_EQ(test_shadow.GetShadowMarkerForAddress(data + 7 * 8), | 406 EXPECT_EQ(test_shadow.GetShadowMarkerForAddress(data + 7 * 8), |
411 kHeapBlockEndMarker); | 407 kHeapBlockEndMarker); |
| 408 #else |
| 409 EXPECT_EQ(test_shadow.GetShadowMarkerForAddress(data + 7 * 8), |
| 410 kHeapRightPaddingMarker); |
| 411 EXPECT_EQ(test_shadow.GetShadowMarkerForAddress(data + 8 * 8), |
| 412 kHeapBlockEndMarker); |
| 413 #endif |
412 | 414 |
413 uint8_t* cursor = info.RawHeader(); | 415 uint8_t* cursor = info.RawHeader(); |
414 for (; cursor < info.RawBody(); ++cursor) | 416 for (; cursor < info.RawBody(); ++cursor) |
415 EXPECT_FALSE(test_shadow.IsAccessible(cursor)); | 417 EXPECT_FALSE(test_shadow.IsAccessible(cursor)); |
416 for (; cursor < info.RawBody() + info.body_size; ++cursor) | 418 for (; cursor < info.RawBody() + info.body_size; ++cursor) |
417 EXPECT_TRUE(test_shadow.IsAccessible(cursor)); | 419 EXPECT_TRUE(test_shadow.IsAccessible(cursor)); |
418 for (; cursor < info.RawHeader() + info.block_size; ++cursor) | 420 for (; cursor < info.RawHeader() + info.block_size; ++cursor) |
419 EXPECT_FALSE(test_shadow.IsAccessible(cursor)); | 421 EXPECT_FALSE(test_shadow.IsAccessible(cursor)); |
420 test_shadow.Unpoison(info.RawBlock(), info.block_size); | 422 test_shadow.Unpoison(info.RawBlock(), info.block_size); |
421 | 423 |
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915 EXPECT_EQ(0, ::memcmp(&i, &i2, sizeof(i))); | 917 EXPECT_EQ(0, ::memcmp(&i, &i2, sizeof(i))); |
916 EXPECT_FALSE(w1.Next(&i)); | 918 EXPECT_FALSE(w1.Next(&i)); |
917 EXPECT_EQ(-1, w1.nesting_depth()); | 919 EXPECT_EQ(-1, w1.nesting_depth()); |
918 | 920 |
919 test_shadow.Unpoison(data, data_size); | 921 test_shadow.Unpoison(data, data_size); |
920 delete [] data; | 922 delete [] data; |
921 } | 923 } |
922 | 924 |
923 } // namespace asan | 925 } // namespace asan |
924 } // namespace agent | 926 } // namespace agent |
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