mirror of https://github.com/NekoX-Dev/NekoX.git
119 lines
4.5 KiB
C++
119 lines
4.5 KiB
C++
// Copyright (c) 2012, Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// linux_core_dumper_unittest.cc:
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// Unit tests for google_breakpad::LinuxCoreDumoer.
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#include <string>
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#include "breakpad_googletest_includes.h"
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#include "client/linux/minidump_writer/linux_core_dumper.h"
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#include "common/linux/tests/crash_generator.h"
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#include "common/using_std_string.h"
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using namespace google_breakpad;
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TEST(LinuxCoreDumperTest, BuildProcPath) {
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const pid_t pid = getpid();
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const char procfs_path[] = "/procfs_copy";
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LinuxCoreDumper dumper(getpid(), "core_file", procfs_path);
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char maps_path[NAME_MAX] = "";
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char maps_path_expected[NAME_MAX];
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snprintf(maps_path_expected, sizeof(maps_path_expected),
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"%s/maps", procfs_path);
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EXPECT_TRUE(dumper.BuildProcPath(maps_path, pid, "maps"));
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EXPECT_STREQ(maps_path_expected, maps_path);
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EXPECT_FALSE(dumper.BuildProcPath(NULL, pid, "maps"));
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EXPECT_FALSE(dumper.BuildProcPath(maps_path, pid, ""));
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EXPECT_FALSE(dumper.BuildProcPath(maps_path, pid, NULL));
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char long_node[NAME_MAX];
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size_t long_node_len = NAME_MAX - strlen(procfs_path) - 1;
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memset(long_node, 'a', long_node_len);
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long_node[long_node_len] = '\0';
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EXPECT_FALSE(dumper.BuildProcPath(maps_path, pid, long_node));
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}
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TEST(LinuxCoreDumperTest, VerifyDumpWithMultipleThreads) {
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CrashGenerator crash_generator;
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if (!crash_generator.HasDefaultCorePattern()) {
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fprintf(stderr, "LinuxCoreDumperTest.VerifyDumpWithMultipleThreads test "
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"is skipped due to non-default core pattern\n");
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return;
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}
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const unsigned kNumOfThreads = 3;
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const unsigned kCrashThread = 1;
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const int kCrashSignal = SIGABRT;
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pid_t child_pid;
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ASSERT_TRUE(crash_generator.CreateChildCrash(kNumOfThreads, kCrashThread,
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kCrashSignal, &child_pid));
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const string core_file = crash_generator.GetCoreFilePath();
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const string procfs_path = crash_generator.GetDirectoryOfProcFilesCopy();
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#if defined(__ANDROID__)
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struct stat st;
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if (stat(core_file.c_str(), &st) != 0) {
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fprintf(stderr, "LinuxCoreDumperTest.VerifyDumpWithMultipleThreads test is "
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"skipped due to no core file being generated");
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return;
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}
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#endif
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LinuxCoreDumper dumper(child_pid, core_file.c_str(), procfs_path.c_str());
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EXPECT_TRUE(dumper.Init());
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EXPECT_TRUE(dumper.IsPostMortem());
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// These are no-ops and should always return true.
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EXPECT_TRUE(dumper.ThreadsSuspend());
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EXPECT_TRUE(dumper.ThreadsResume());
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// LinuxCoreDumper cannot determine the crash address and thus it always
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// sets the crash address to 0.
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EXPECT_EQ(0U, dumper.crash_address());
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EXPECT_EQ(kCrashSignal, dumper.crash_signal());
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EXPECT_EQ(crash_generator.GetThreadId(kCrashThread),
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dumper.crash_thread());
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EXPECT_EQ(kNumOfThreads, dumper.threads().size());
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for (unsigned i = 0; i < kNumOfThreads; ++i) {
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ThreadInfo info;
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EXPECT_TRUE(dumper.GetThreadInfoByIndex(i, &info));
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const void* stack;
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size_t stack_len;
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EXPECT_TRUE(dumper.GetStackInfo(&stack, &stack_len, info.stack_pointer));
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EXPECT_EQ(getpid(), info.ppid);
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}
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}
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