51 lines
1.7 KiB
C++
51 lines
1.7 KiB
C++
// Copyright 2022 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/profiler/stack_base_address_posix.h"
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#include "base/numerics/clamped_math.h"
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#include "base/process/process_handle.h"
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#include "build/build_config.h"
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#include "build/chromeos_buildflags.h"
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#include "testing/gmock/include/gmock/gmock.h"
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#include "testing/gtest/include/gtest/gtest.h"
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namespace base {
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using ::testing::Gt;
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using ::testing::Le;
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using ::testing::Optional;
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// ASAN moves local variables outside of the stack extents.
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#if defined(ADDRESS_SANITIZER)
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#define MAYBE_CurrentThread DISABLED_CurrentThread
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#elif BUILDFLAG(IS_LINUX)
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// We don't support getting the stack base address on Linux.
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// https://crbug.com/1394278
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#define MAYBE_CurrentThread DISABLED_CurrentThread
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#else
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#define MAYBE_CurrentThread CurrentThread
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#endif
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TEST(GetThreadStackBaseAddressTest, MAYBE_CurrentThread) {
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absl::optional<uintptr_t> base =
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GetThreadStackBaseAddress(PlatformThread::CurrentId(), pthread_self());
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EXPECT_THAT(base, Optional(Gt(0u)));
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uintptr_t stack_addr = reinterpret_cast<uintptr_t>(&base);
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// Check that end of stack is within 4MiB of a current stack address.
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EXPECT_THAT(base, Optional(Le(ClampAdd(stack_addr, 4 * 1024 * 1024))));
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}
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#if BUILDFLAG(IS_ANDROID) || BUILDFLAG(IS_CHROMEOS)
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TEST(GetThreadStackBaseAddressTest, MainThread) {
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// GetThreadStackBaseAddress does not use pthread_id for main thread on these
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// platforms.
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absl::optional<uintptr_t> base =
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GetThreadStackBaseAddress(GetCurrentProcId(), pthread_t());
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EXPECT_THAT(base, Optional(Gt(0u)));
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}
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#endif // BUILDFLAG(IS_ANDROID) || BUILDFLAG(IS_CHROMEOS)
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} // namespace base
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