0c35b6165c
When -asan-max-inline-poisoning-size=0, all shadow memory access should be outlined (through asan calls). This was not occuring when partial poisoning was required on the right side of a variable's redzone. This diff contains the changes necessary to implement and utilize __asan_set_shadow_01() through __asan_set_shadow_07(). The change is necessary for the full abstraction of the asan implementation and will enable experimentation with alternate strategies. Differential Revision: https://reviews.llvm.org/D136197
58 lines
2.2 KiB
C++
58 lines
2.2 KiB
C++
//===-- asan_internal_interface_test.cpp ----------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file is a part of AddressSanitizer, an address sanity checker.
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//
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//===----------------------------------------------------------------------===//
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#include "asan_interface_internal.h"
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#include "asan_test_utils.h"
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#include <vector>
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TEST(AddressSanitizerInternalInterface, SetShadow) {
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std::vector<char> buffer(17, 0xff);
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__asan_set_shadow_00((uptr)buffer.data(), buffer.size());
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EXPECT_EQ(std::vector<char>(buffer.size(), 0x00), buffer);
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__asan_set_shadow_01((uptr)buffer.data(), buffer.size());
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EXPECT_EQ(std::vector<char>(buffer.size(), 0x01), buffer);
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__asan_set_shadow_02((uptr)buffer.data(), buffer.size());
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EXPECT_EQ(std::vector<char>(buffer.size(), 0x02), buffer);
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__asan_set_shadow_03((uptr)buffer.data(), buffer.size());
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EXPECT_EQ(std::vector<char>(buffer.size(), 0x03), buffer);
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__asan_set_shadow_04((uptr)buffer.data(), buffer.size());
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EXPECT_EQ(std::vector<char>(buffer.size(), 0x04), buffer);
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__asan_set_shadow_05((uptr)buffer.data(), buffer.size());
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EXPECT_EQ(std::vector<char>(buffer.size(), 0x05), buffer);
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__asan_set_shadow_06((uptr)buffer.data(), buffer.size());
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EXPECT_EQ(std::vector<char>(buffer.size(), 0x06), buffer);
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__asan_set_shadow_07((uptr)buffer.data(), buffer.size());
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EXPECT_EQ(std::vector<char>(buffer.size(), 0x07), buffer);
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__asan_set_shadow_f1((uptr)buffer.data(), buffer.size());
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EXPECT_EQ(std::vector<char>(buffer.size(), 0xf1), buffer);
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__asan_set_shadow_f2((uptr)buffer.data(), buffer.size());
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EXPECT_EQ(std::vector<char>(buffer.size(), 0xf2), buffer);
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__asan_set_shadow_f3((uptr)buffer.data(), buffer.size());
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EXPECT_EQ(std::vector<char>(buffer.size(), 0xf3), buffer);
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__asan_set_shadow_f5((uptr)buffer.data(), buffer.size());
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EXPECT_EQ(std::vector<char>(buffer.size(), 0xf5), buffer);
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__asan_set_shadow_f8((uptr)buffer.data(), buffer.size());
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EXPECT_EQ(std::vector<char>(buffer.size(), 0xf8), buffer);
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}
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