From commits-return-6610-archive-asf-public=cust-asf.ponee.io@quickstep.incubator.apache.org Mon Feb 26 20:16:02 2018 Return-Path: X-Original-To: archive-asf-public@cust-asf.ponee.io Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by mx-eu-01.ponee.io (Postfix) with SMTP id 56C0E18064A for ; Mon, 26 Feb 2018 20:16:00 +0100 (CET) Received: (qmail 39009 invoked by uid 500); 26 Feb 2018 19:15:59 -0000 Mailing-List: contact commits-help@quickstep.incubator.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@quickstep.incubator.apache.org Delivered-To: mailing list commits@quickstep.incubator.apache.org Received: (qmail 39000 invoked by uid 99); 26 Feb 2018 19:15:59 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd3-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 26 Feb 2018 19:15:59 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd3-us-west.apache.org (ASF Mail Server at spamd3-us-west.apache.org) with ESMTP id D4BAB180119 for ; Mon, 26 Feb 2018 19:15:58 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd3-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -11.721 X-Spam-Level: X-Spam-Status: No, score=-11.721 tagged_above=-999 required=6.31 tests=[KAM_ASCII_DIVIDERS=0.8, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, T_FILL_THIS_FORM_SHORT=0.01, T_RP_MATCHES_RCVD=-0.01, USER_IN_DEF_SPF_WL=-7.5] autolearn=disabled Received: from mx1-lw-us.apache.org ([10.40.0.8]) by localhost (spamd3-us-west.apache.org [10.40.0.10]) (amavisd-new, port 10024) with ESMTP id mnBhSmcMqVnT for ; Mon, 26 Feb 2018 19:15:45 +0000 (UTC) Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by mx1-lw-us.apache.org (ASF Mail Server at mx1-lw-us.apache.org) with SMTP id 7D5355FD10 for ; Mon, 26 Feb 2018 19:15:44 +0000 (UTC) Received: (qmail 36143 invoked by uid 99); 26 Feb 2018 19:15:43 -0000 Received: from git1-us-west.apache.org (HELO git1-us-west.apache.org) (140.211.11.23) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 26 Feb 2018 19:15:43 +0000 Received: by git1-us-west.apache.org (ASF Mail Server at git1-us-west.apache.org, from userid 33) id 7D1C8E9681; Mon, 26 Feb 2018 19:15:43 +0000 (UTC) Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: jianqiao@apache.org To: commits@quickstep.incubator.apache.org Date: Mon, 26 Feb 2018 19:16:12 -0000 Message-Id: <8ee39d6f09c24998b223be5311d83a69@git.apache.org> In-Reply-To: References: X-Mailer: ASF-Git Admin Mailer Subject: [31/46] incubator-quickstep git commit: Remove glog source code from third party http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/c43107d1/third_party/src/glog/src/signalhandler.cc ---------------------------------------------------------------------- diff --git a/third_party/src/glog/src/signalhandler.cc b/third_party/src/glog/src/signalhandler.cc deleted file mode 100644 index d6c203b..0000000 --- a/third_party/src/glog/src/signalhandler.cc +++ /dev/null @@ -1,350 +0,0 @@ -// Copyright (c) 2008, Google Inc. -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Author: Satoru Takabayashi -// -// Implementation of InstallFailureSignalHandler(). - -#include "utilities.h" -#include "stacktrace.h" -#include "symbolize.h" -#include "glog/logging.h" - -#include -#include -#ifdef HAVE_UCONTEXT_H -# include -#endif -#ifdef HAVE_SYS_UCONTEXT_H -# include -#endif -#include - -_START_GOOGLE_NAMESPACE_ - -namespace { - -// We'll install the failure signal handler for these signals. We could -// use strsignal() to get signal names, but we don't use it to avoid -// introducing yet another #ifdef complication. -// -// The list should be synced with the comment in signalhandler.h. -const struct { - int number; - const char *name; -} kFailureSignals[] = { - { SIGSEGV, "SIGSEGV" }, - { SIGILL, "SIGILL" }, - { SIGFPE, "SIGFPE" }, - { SIGABRT, "SIGABRT" }, - { SIGBUS, "SIGBUS" }, - { SIGTERM, "SIGTERM" }, -}; - -// Returns the program counter from signal context, NULL if unknown. -void* GetPC(void* ucontext_in_void) { -#if (defined(HAVE_UCONTEXT_H) || defined(HAVE_SYS_UCONTEXT_H)) && defined(PC_FROM_UCONTEXT) - if (ucontext_in_void != NULL) { - ucontext_t *context = reinterpret_cast(ucontext_in_void); - return (void*)context->PC_FROM_UCONTEXT; - } -#endif - return NULL; -} - -// The class is used for formatting error messages. We don't use printf() -// as it's not async signal safe. -class MinimalFormatter { - public: - MinimalFormatter(char *buffer, int size) - : buffer_(buffer), - cursor_(buffer), - end_(buffer + size) { - } - - // Returns the number of bytes written in the buffer. - int num_bytes_written() const { return cursor_ - buffer_; } - - // Appends string from "str" and updates the internal cursor. - void AppendString(const char* str) { - int i = 0; - while (str[i] != '\0' && cursor_ + i < end_) { - cursor_[i] = str[i]; - ++i; - } - cursor_ += i; - } - - // Formats "number" in "radix" and updates the internal cursor. - // Lowercase letters are used for 'a' - 'z'. - void AppendUint64(uint64 number, int radix) { - int i = 0; - while (cursor_ + i < end_) { - const int tmp = number % radix; - number /= radix; - cursor_[i] = (tmp < 10 ? '0' + tmp : 'a' + tmp - 10); - ++i; - if (number == 0) { - break; - } - } - // Reverse the bytes written. - std::reverse(cursor_, cursor_ + i); - cursor_ += i; - } - - // Formats "number" as hexadecimal number, and updates the internal - // cursor. Padding will be added in front if needed. - void AppendHexWithPadding(uint64 number, int width) { - char* start = cursor_; - AppendString("0x"); - AppendUint64(number, 16); - // Move to right and add padding in front if needed. - if (cursor_ < start + width) { - const int64 delta = start + width - cursor_; - std::copy(start, cursor_, start + delta); - std::fill(start, start + delta, ' '); - cursor_ = start + width; - } - } - - private: - char *buffer_; - char *cursor_; - const char * const end_; -}; - -// Writes the given data with the size to the standard error. -void WriteToStderr(const char* data, int size) { - if (write(STDERR_FILENO, data, size) < 0) { - // Ignore errors. - } -} - -// The writer function can be changed by InstallFailureWriter(). -void (*g_failure_writer)(const char* data, int size) = WriteToStderr; - -// Dumps time information. We don't dump human-readable time information -// as localtime() is not guaranteed to be async signal safe. -void DumpTimeInfo() { - time_t time_in_sec = time(NULL); - char buf[256]; // Big enough for time info. - MinimalFormatter formatter(buf, sizeof(buf)); - formatter.AppendString("*** Aborted at "); - formatter.AppendUint64(time_in_sec, 10); - formatter.AppendString(" (unix time)"); - formatter.AppendString(" try \"date -d @"); - formatter.AppendUint64(time_in_sec, 10); - formatter.AppendString("\" if you are using GNU date ***\n"); - g_failure_writer(buf, formatter.num_bytes_written()); -} - -// Dumps information about the signal to STDERR. -void DumpSignalInfo(int signal_number, siginfo_t *siginfo) { - // Get the signal name. - const char* signal_name = NULL; - for (size_t i = 0; i < ARRAYSIZE(kFailureSignals); ++i) { - if (signal_number == kFailureSignals[i].number) { - signal_name = kFailureSignals[i].name; - } - } - - char buf[256]; // Big enough for signal info. - MinimalFormatter formatter(buf, sizeof(buf)); - - formatter.AppendString("*** "); - if (signal_name) { - formatter.AppendString(signal_name); - } else { - // Use the signal number if the name is unknown. The signal name - // should be known, but just in case. - formatter.AppendString("Signal "); - formatter.AppendUint64(signal_number, 10); - } - formatter.AppendString(" (@0x"); - formatter.AppendUint64(reinterpret_cast(siginfo->si_addr), 16); - formatter.AppendString(")"); - formatter.AppendString(" received by PID "); - formatter.AppendUint64(getpid(), 10); - formatter.AppendString(" (TID 0x"); - // We assume pthread_t is an integral number or a pointer, rather - // than a complex struct. In some environments, pthread_self() - // returns an uint64 but in some other environments pthread_self() - // returns a pointer. Hence we use C-style cast here, rather than - // reinterpret/static_cast, to support both types of environments. - formatter.AppendUint64((uintptr_t)pthread_self(), 16); - formatter.AppendString(") "); - // Only linux has the PID of the signal sender in si_pid. -#ifdef OS_LINUX - formatter.AppendString("from PID "); - formatter.AppendUint64(siginfo->si_pid, 10); - formatter.AppendString("; "); -#endif - formatter.AppendString("stack trace: ***\n"); - g_failure_writer(buf, formatter.num_bytes_written()); -} - -// Dumps information about the stack frame to STDERR. -void DumpStackFrameInfo(const char* prefix, void* pc) { - // Get the symbol name. - const char *symbol = "(unknown)"; - char symbolized[1024]; // Big enough for a sane symbol. - // Symbolizes the previous address of pc because pc may be in the - // next function. - if (Symbolize(reinterpret_cast(pc) - 1, - symbolized, sizeof(symbolized))) { - symbol = symbolized; - } - - char buf[1024]; // Big enough for stack frame info. - MinimalFormatter formatter(buf, sizeof(buf)); - - formatter.AppendString(prefix); - formatter.AppendString("@ "); - const int width = 2 * sizeof(void*) + 2; // + 2 for "0x". - formatter.AppendHexWithPadding(reinterpret_cast(pc), width); - formatter.AppendString(" "); - formatter.AppendString(symbol); - formatter.AppendString("\n"); - g_failure_writer(buf, formatter.num_bytes_written()); -} - -// Invoke the default signal handler. -void InvokeDefaultSignalHandler(int signal_number) { - struct sigaction sig_action; - memset(&sig_action, 0, sizeof(sig_action)); - sigemptyset(&sig_action.sa_mask); - sig_action.sa_handler = SIG_DFL; - sigaction(signal_number, &sig_action, NULL); - kill(getpid(), signal_number); -} - -// This variable is used for protecting FailureSignalHandler() from -// dumping stuff while another thread is doing it. Our policy is to let -// the first thread dump stuff and let other threads wait. -// See also comments in FailureSignalHandler(). -static pthread_t* g_entered_thread_id_pointer = NULL; - -// Dumps signal and stack frame information, and invokes the default -// signal handler once our job is done. -void FailureSignalHandler(int signal_number, - siginfo_t *signal_info, - void *ucontext) { - // First check if we've already entered the function. We use an atomic - // compare and swap operation for platforms that support it. For other - // platforms, we use a naive method that could lead to a subtle race. - - // We assume pthread_self() is async signal safe, though it's not - // officially guaranteed. - pthread_t my_thread_id = pthread_self(); - // NOTE: We could simply use pthread_t rather than pthread_t* for this, - // if pthread_self() is guaranteed to return non-zero value for thread - // ids, but there is no such guarantee. We need to distinguish if the - // old value (value returned from __sync_val_compare_and_swap) is - // different from the original value (in this case NULL). - pthread_t* old_thread_id_pointer = - glog_internal_namespace_::sync_val_compare_and_swap( - &g_entered_thread_id_pointer, - static_cast(NULL), - &my_thread_id); - if (old_thread_id_pointer != NULL) { - // We've already entered the signal handler. What should we do? - if (pthread_equal(my_thread_id, *g_entered_thread_id_pointer)) { - // It looks the current thread is reentering the signal handler. - // Something must be going wrong (maybe we are reentering by another - // type of signal?). Kill ourself by the default signal handler. - InvokeDefaultSignalHandler(signal_number); - } - // Another thread is dumping stuff. Let's wait until that thread - // finishes the job and kills the process. - while (true) { - sleep(1); - } - } - // This is the first time we enter the signal handler. We are going to - // do some interesting stuff from here. - // TODO(satorux): We might want to set timeout here using alarm(), but - // mixing alarm() and sleep() can be a bad idea. - - // First dump time info. - DumpTimeInfo(); - - // Get the program counter from ucontext. - void *pc = GetPC(ucontext); - DumpStackFrameInfo("PC: ", pc); - -#ifdef HAVE_STACKTRACE - // Get the stack traces. - void *stack[32]; - // +1 to exclude this function. - const int depth = GetStackTrace(stack, ARRAYSIZE(stack), 1); - DumpSignalInfo(signal_number, signal_info); - // Dump the stack traces. - for (int i = 0; i < depth; ++i) { - DumpStackFrameInfo(" ", stack[i]); - } -#endif - - // *** TRANSITION *** - // - // BEFORE this point, all code must be async-termination-safe! - // (See WARNING above.) - // - // AFTER this point, we do unsafe things, like using LOG()! - // The process could be terminated or hung at any time. We try to - // do more useful things first and riskier things later. - - // Flush the logs before we do anything in case 'anything' - // causes problems. - FlushLogFilesUnsafe(0); - - // Kill ourself by the default signal handler. - InvokeDefaultSignalHandler(signal_number); -} - -} // namespace - -void InstallFailureSignalHandler() { - // Build the sigaction struct. - struct sigaction sig_action; - memset(&sig_action, 0, sizeof(sig_action)); - sigemptyset(&sig_action.sa_mask); - sig_action.sa_flags |= SA_SIGINFO; - sig_action.sa_sigaction = &FailureSignalHandler; - - for (size_t i = 0; i < ARRAYSIZE(kFailureSignals); ++i) { - CHECK_ERR(sigaction(kFailureSignals[i].number, &sig_action, NULL)); - } -} - -void InstallFailureWriter(void (*writer)(const char* data, int size)) { - g_failure_writer = writer; -} - -_END_GOOGLE_NAMESPACE_ http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/c43107d1/third_party/src/glog/src/signalhandler_unittest.cc ---------------------------------------------------------------------- diff --git a/third_party/src/glog/src/signalhandler_unittest.cc b/third_party/src/glog/src/signalhandler_unittest.cc deleted file mode 100644 index 1cd0fa0..0000000 --- a/third_party/src/glog/src/signalhandler_unittest.cc +++ /dev/null @@ -1,97 +0,0 @@ -// Copyright (c) 2008, Google Inc. -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Author: Satoru Takabayashi -// -// This is a helper binary for testing signalhandler.cc. The actual test -// is done in signalhandler_unittest.sh. - -#include "utilities.h" - -#include -#include -#include -#include -#include -#include "glog/logging.h" - -using namespace GOOGLE_NAMESPACE; - -void* DieInThread(void*) { - // We assume pthread_t is an integral number or a pointer, rather - // than a complex struct. In some environments, pthread_self() - // returns an uint64 but in some other environments pthread_self() - // returns a pointer. Hence we use C-style cast here, rather than - // reinterpret/static_cast, to support both types of environments. - fprintf(stderr, "0x%lx is dying\n", (long)pthread_self()); - // Use volatile to prevent from these to be optimized away. - volatile int a = 0; - volatile int b = 1 / a; - fprintf(stderr, "We should have died: b=%d\n", b); - return NULL; -} - -void WriteToStdout(const char* data, int size) { - if (write(STDOUT_FILENO, data, size) < 0) { - // Ignore errors. - } -} - -int main(int argc, char **argv) { -#if defined(HAVE_STACKTRACE) && defined(HAVE_SYMBOLIZE) - InitGoogleLogging(argv[0]); -#ifdef HAVE_LIB_GFLAGS - ParseCommandLineFlags(&argc, &argv, true); -#endif - InstallFailureSignalHandler(); - const std::string command = argc > 1 ? argv[1] : "none"; - if (command == "segv") { - // We'll check if this is outputted. - LOG(INFO) << "create the log file"; - LOG(INFO) << "a message before segv"; - // We assume 0xDEAD is not writable. - int *a = (int*)0xDEAD; - *a = 0; - } else if (command == "loop") { - fprintf(stderr, "looping\n"); - while (true); - } else if (command == "die_in_thread") { - pthread_t thread; - pthread_create(&thread, NULL, &DieInThread, NULL); - pthread_join(thread, NULL); - } else if (command == "dump_to_stdout") { - InstallFailureWriter(WriteToStdout); - abort(); - } else { - // Tell the shell script - puts("OK"); - } -#endif - return 0; -} http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/c43107d1/third_party/src/glog/src/signalhandler_unittest.sh ---------------------------------------------------------------------- diff --git a/third_party/src/glog/src/signalhandler_unittest.sh b/third_party/src/glog/src/signalhandler_unittest.sh deleted file mode 100644 index 265cd45..0000000 --- a/third_party/src/glog/src/signalhandler_unittest.sh +++ /dev/null @@ -1,131 +0,0 @@ -#! /bin/sh -# -# Copyright (c) 2008, Google Inc. -# All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions are -# met: -# -# * Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# * Redistributions in binary form must reproduce the above -# copyright notice, this list of conditions and the following disclaimer -# in the documentation and/or other materials provided with the -# distribution. -# * Neither the name of Google Inc. nor the names of its -# contributors may be used to endorse or promote products derived from -# this software without specific prior written permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -# -# Author: Satoru Takabayashi -# -# Unit tests for signalhandler.cc. - -die () { - echo $1 - exit 1 -} - -BINDIR=".libs" -LIBGLOG="$BINDIR/libglog.so" - -BINARY="$BINDIR/signalhandler_unittest" -LOG_INFO="./signalhandler_unittest.INFO" - -# Remove temporary files. -rm -f signalhandler.out* - -if test -e "$BINARY"; then - # We need shared object. - export LD_LIBRARY_PATH=$BINDIR - export DYLD_LIBRARY_PATH=$BINDIR -else - # For windows - BINARY="./signalhandler_unittest.exe" - if ! test -e "$BINARY"; then - echo "We coundn't find demangle_unittest binary." - exit 1 - fi -fi - -if [ x`$BINARY` != 'xOK' ]; then - echo "PASS (No stacktrace support. We don't run this test.)" - exit 0 -fi - -# The PC cannot be obtained in signal handlers on PowerPC correctly. -# We just skip the test for PowerPC. -if [ x`uname -p` = x"powerpc" ]; then - echo "PASS (We don't test the signal handler on PowerPC.)" - exit 0 -fi - -# Test for a case the program kills itself by SIGSEGV. -GOOGLE_LOG_DIR=. $BINARY segv 2> signalhandler.out1 -for pattern in SIGSEGV 0xdead main "Aborted at [0-9]"; do - if ! grep --quiet "$pattern" signalhandler.out1; then - die "'$pattern' should appear in the output" - fi -done -if ! grep --quiet "a message before segv" $LOG_INFO; then - die "'a message before segv' should appear in the INFO log" -fi -rm -f $LOG_INFO - -# Test for a case the program is killed by this shell script. -# $! = the process id of the last command run in the background. -# $$ = the process id of this shell. -$BINARY loop 2> signalhandler.out2 & -# Wait until "looping" is written in the file. This indicates the program -# is ready to accept signals. -while true; do - if grep --quiet looping signalhandler.out2; then - break - fi -done -kill -TERM $! -wait $! - -from_pid='' -# Only linux has the process ID of the signal sender. -if [ x`uname` = "xLinux" ]; then - from_pid="from PID $$" -fi -for pattern in SIGTERM "by PID $!" "$from_pid" main "Aborted at [0-9]"; do - if ! grep --quiet "$pattern" signalhandler.out2; then - die "'$pattern' should appear in the output" - fi -done - -# Test for a case the program dies in a non-main thread. -$BINARY die_in_thread 2> signalhandler.out3 -EXPECTED_TID="`sed 's/ .*//; q' signalhandler.out3`" - -for pattern in SIGFPE DieInThread "TID $EXPECTED_TID" "Aborted at [0-9]"; do - if ! grep --quiet "$pattern" signalhandler.out3; then - die "'$pattern' should appear in the output" - fi -done - -# Test for a case the program installs a custom failure writer that writes -# stuff to stdout instead of stderr. -$BINARY dump_to_stdout 1> signalhandler.out4 -for pattern in SIGABRT main "Aborted at [0-9]"; do - if ! grep --quiet "$pattern" signalhandler.out4; then - die "'$pattern' should appear in the output" - fi -done - -echo PASS http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/c43107d1/third_party/src/glog/src/stacktrace.h ---------------------------------------------------------------------- diff --git a/third_party/src/glog/src/stacktrace.h b/third_party/src/glog/src/stacktrace.h deleted file mode 100644 index 8c3e8fe..0000000 --- a/third_party/src/glog/src/stacktrace.h +++ /dev/null @@ -1,60 +0,0 @@ -// Copyright (c) 2000 - 2007, Google Inc. -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Routines to extract the current stack trace. These functions are -// thread-safe. - -#ifndef BASE_STACKTRACE_H_ -#define BASE_STACKTRACE_H_ - -#include "config.h" - -_START_GOOGLE_NAMESPACE_ - -// This is similar to the GetStackFrames routine, except that it returns -// the stack trace only, and not the stack frame sizes as well. -// Example: -// main() { foo(); } -// foo() { bar(); } -// bar() { -// void* result[10]; -// int depth = GetStackFrames(result, 10, 1); -// } -// -// This produces: -// result[0] foo -// result[1] main -// .... ... -// -// "result" must not be NULL. -extern int GetStackTrace(void** result, int max_depth, int skip_count); - -_END_GOOGLE_NAMESPACE_ - -#endif // BASE_STACKTRACE_H_ http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/c43107d1/third_party/src/glog/src/stacktrace_generic-inl.h ---------------------------------------------------------------------- diff --git a/third_party/src/glog/src/stacktrace_generic-inl.h b/third_party/src/glog/src/stacktrace_generic-inl.h deleted file mode 100644 index fad81d3..0000000 --- a/third_party/src/glog/src/stacktrace_generic-inl.h +++ /dev/null @@ -1,59 +0,0 @@ -// Copyright (c) 2000 - 2007, Google Inc. -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Portable implementation - just use glibc -// -// Note: The glibc implementation may cause a call to malloc. -// This can cause a deadlock in HeapProfiler. -#include -#include -#include "stacktrace.h" - -_START_GOOGLE_NAMESPACE_ - -// If you change this function, also change GetStackFrames below. -int GetStackTrace(void** result, int max_depth, int skip_count) { - static const int kStackLength = 64; - void * stack[kStackLength]; - int size; - - size = backtrace(stack, kStackLength); - skip_count++; // we want to skip the current frame as well - int result_count = size - skip_count; - if (result_count < 0) - result_count = 0; - if (result_count > max_depth) - result_count = max_depth; - for (int i = 0; i < result_count; i++) - result[i] = stack[i + skip_count]; - - return result_count; -} - -_END_GOOGLE_NAMESPACE_ http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/c43107d1/third_party/src/glog/src/stacktrace_libunwind-inl.h ---------------------------------------------------------------------- diff --git a/third_party/src/glog/src/stacktrace_libunwind-inl.h b/third_party/src/glog/src/stacktrace_libunwind-inl.h deleted file mode 100644 index 0dc14c6..0000000 --- a/third_party/src/glog/src/stacktrace_libunwind-inl.h +++ /dev/null @@ -1,87 +0,0 @@ -// Copyright (c) 2005 - 2007, Google Inc. -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Author: Arun Sharma -// -// Produce stack trace using libunwind - -#include "utilities.h" - -extern "C" { -#define UNW_LOCAL_ONLY -#include -} -#include "glog/raw_logging.h" -#include "stacktrace.h" - -_START_GOOGLE_NAMESPACE_ - -// Sometimes, we can try to get a stack trace from within a stack -// trace, because libunwind can call mmap (maybe indirectly via an -// internal mmap based memory allocator), and that mmap gets trapped -// and causes a stack-trace request. If were to try to honor that -// recursive request, we'd end up with infinite recursion or deadlock. -// Luckily, it's safe to ignore those subsequent traces. In such -// cases, we return 0 to indicate the situation. -static bool g_now_entering = false; - -// If you change this function, also change GetStackFrames below. -int GetStackTrace(void** result, int max_depth, int skip_count) { - void *ip; - int n = 0; - unw_cursor_t cursor; - unw_context_t uc; - - if (sync_val_compare_and_swap(&g_now_entering, false, true)) { - return 0; - } - - unw_getcontext(&uc); - RAW_CHECK(unw_init_local(&cursor, &uc) >= 0, "unw_init_local failed"); - skip_count++; // Do not include the "GetStackTrace" frame - - while (n < max_depth) { - int ret = unw_get_reg(&cursor, UNW_REG_IP, (unw_word_t *) &ip); - if (ret < 0) - break; - if (skip_count > 0) { - skip_count--; - } else { - result[n++] = ip; - } - ret = unw_step(&cursor); - if (ret <= 0) - break; - } - - g_now_entering = false; - return n; -} - -_END_GOOGLE_NAMESPACE_ http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/c43107d1/third_party/src/glog/src/stacktrace_powerpc-inl.h ---------------------------------------------------------------------- diff --git a/third_party/src/glog/src/stacktrace_powerpc-inl.h b/third_party/src/glog/src/stacktrace_powerpc-inl.h deleted file mode 100644 index 1090dde..0000000 --- a/third_party/src/glog/src/stacktrace_powerpc-inl.h +++ /dev/null @@ -1,130 +0,0 @@ -// Copyright (c) 2007, Google Inc. -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Author: Craig Silverstein -// -// Produce stack trace. I'm guessing (hoping!) the code is much like -// for x86. For apple machines, at least, it seems to be; see -// http://developer.apple.com/documentation/mac/runtimehtml/RTArch-59.html -// http://www.linux-foundation.org/spec/ELF/ppc64/PPC-elf64abi-1.9.html#STACK -// Linux has similar code: http://patchwork.ozlabs.org/linuxppc/patch?id=8882 - -#include -#include // for uintptr_t -#include "stacktrace.h" - -_START_GOOGLE_NAMESPACE_ - -// Given a pointer to a stack frame, locate and return the calling -// stackframe, or return NULL if no stackframe can be found. Perform sanity -// checks (the strictness of which is controlled by the boolean parameter -// "STRICT_UNWINDING") to reduce the chance that a bad pointer is returned. -template -static void **NextStackFrame(void **old_sp) { - void **new_sp = (void **) *old_sp; - - // Check that the transition from frame pointer old_sp to frame - // pointer new_sp isn't clearly bogus - if (STRICT_UNWINDING) { - // With the stack growing downwards, older stack frame must be - // at a greater address that the current one. - if (new_sp <= old_sp) return NULL; - // Assume stack frames larger than 100,000 bytes are bogus. - if ((uintptr_t)new_sp - (uintptr_t)old_sp > 100000) return NULL; - } else { - // In the non-strict mode, allow discontiguous stack frames. - // (alternate-signal-stacks for example). - if (new_sp == old_sp) return NULL; - // And allow frames upto about 1MB. - if ((new_sp > old_sp) - && ((uintptr_t)new_sp - (uintptr_t)old_sp > 1000000)) return NULL; - } - if ((uintptr_t)new_sp & (sizeof(void *) - 1)) return NULL; - return new_sp; -} - -// This ensures that GetStackTrace stes up the Link Register properly. -void StacktracePowerPCDummyFunction() __attribute__((noinline)); -void StacktracePowerPCDummyFunction() { __asm__ volatile(""); } - -// If you change this function, also change GetStackFrames below. -int GetStackTrace(void** result, int max_depth, int skip_count) { - void **sp; - // Apple OS X uses an old version of gnu as -- both Darwin 7.9.0 (Panther) - // and Darwin 8.8.1 (Tiger) use as 1.38. This means we have to use a - // different asm syntax. I don't know quite the best way to discriminate - // systems using the old as from the new one; I've gone with __APPLE__. -#ifdef __APPLE__ - __asm__ volatile ("mr %0,r1" : "=r" (sp)); -#else - __asm__ volatile ("mr %0,1" : "=r" (sp)); -#endif - - // On PowerPC, the "Link Register" or "Link Record" (LR), is a stack - // entry that holds the return address of the subroutine call (what - // instruction we run after our function finishes). This is the - // same as the stack-pointer of our parent routine, which is what we - // want here. While the compiler will always(?) set up LR for - // subroutine calls, it may not for leaf functions (such as this one). - // This routine forces the compiler (at least gcc) to push it anyway. - StacktracePowerPCDummyFunction(); - - // The LR save area is used by the callee, so the top entry is bogus. - skip_count++; - - int n = 0; - while (sp && n < max_depth) { - if (skip_count > 0) { - skip_count--; - } else { - // PowerPC has 3 main ABIs, which say where in the stack the - // Link Register is. For DARWIN and AIX (used by apple and - // linux ppc64), it's in sp[2]. For SYSV (used by linux ppc), - // it's in sp[1]. -#if defined(_CALL_AIX) || defined(_CALL_DARWIN) - result[n++] = *(sp+2); -#elif defined(_CALL_SYSV) - result[n++] = *(sp+1); -#elif defined(__APPLE__) || (defined(__linux) && defined(__PPC64__)) - // This check is in case the compiler doesn't define _CALL_AIX/etc. - result[n++] = *(sp+2); -#elif defined(__linux) - // This check is in case the compiler doesn't define _CALL_SYSV. - result[n++] = *(sp+1); -#else -#error Need to specify the PPC ABI for your archiecture. -#endif - } - // Use strict unwinding rules. - sp = NextStackFrame(sp); - } - return n; -} - -_END_GOOGLE_NAMESPACE_ http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/c43107d1/third_party/src/glog/src/stacktrace_unittest.cc ---------------------------------------------------------------------- diff --git a/third_party/src/glog/src/stacktrace_unittest.cc b/third_party/src/glog/src/stacktrace_unittest.cc deleted file mode 100644 index c1b3b36..0000000 --- a/third_party/src/glog/src/stacktrace_unittest.cc +++ /dev/null @@ -1,208 +0,0 @@ -// Copyright (c) 2004, Google Inc. -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -#include "utilities.h" - -#include -#include -#include "config.h" -#include "base/commandlineflags.h" -#include "glog/logging.h" -#include "stacktrace.h" - -#ifdef HAVE_EXECINFO_H -# include -#endif - -using namespace GOOGLE_NAMESPACE; - -#ifdef HAVE_STACKTRACE - -// Obtain a backtrace, verify that the expected callers are present in the -// backtrace, and maybe print the backtrace to stdout. - -// The sequence of functions whose return addresses we expect to see in the -// backtrace. -const int BACKTRACE_STEPS = 6; - -struct AddressRange { - const void *start, *end; -}; - -// Expected function [start,end] range. -AddressRange expected_range[BACKTRACE_STEPS]; - -#if __GNUC__ -// Using GCC extension: address of a label can be taken with '&&label'. -// Start should be a label somewhere before recursive call, end somewhere -// after it. -#define INIT_ADDRESS_RANGE(fn, start_label, end_label, prange) \ - do { \ - (prange)->start = &&start_label; \ - (prange)->end = &&end_label; \ - CHECK_LT((prange)->start, (prange)->end); \ - } while (0) -// This macro expands into "unmovable" code (opaque to GCC), and that -// prevents GCC from moving a_label up or down in the code. -// Without it, there is no code following the 'end' label, and GCC -// (4.3.1, 4.4.0) thinks it safe to assign &&end an address that is before -// the recursive call. -#define DECLARE_ADDRESS_LABEL(a_label) \ - a_label: do { __asm__ __volatile__(""); } while (0) -// Gcc 4.4.0 may split function into multiple chunks, and the chunk -// performing recursive call may end up later in the code then the return -// instruction (this actually happens with FDO). -// Adjust function range from __builtin_return_address. -#define ADJUST_ADDRESS_RANGE_FROM_RA(prange) \ - do { \ - void *ra = __builtin_return_address(0); \ - CHECK_LT((prange)->start, ra); \ - if (ra > (prange)->end) { \ - printf("Adjusting range from %p..%p to %p..%p\n", \ - (prange)->start, (prange)->end, \ - (prange)->start, ra); \ - (prange)->end = ra; \ - } \ - } while (0) -#else -// Assume the Check* functions below are not longer than 256 bytes. -#define INIT_ADDRESS_RANGE(fn, start_label, end_label, prange) \ - do { \ - (prange)->start = reinterpret_cast(&fn); \ - (prange)->end = reinterpret_cast(&fn) + 256; \ - } while (0) -#define DECLARE_ADDRESS_LABEL(a_label) do { } while (0) -#define ADJUST_ADDRESS_RANGE_FROM_RA(prange) do { } while (0) -#endif // __GNUC__ - -//-----------------------------------------------------------------------// - -void CheckRetAddrIsInFunction(void *ret_addr, const AddressRange &range) -{ - CHECK_GE(ret_addr, range.start); - CHECK_LE(ret_addr, range.end); -} - -//-----------------------------------------------------------------------// - -void ATTRIBUTE_NOINLINE CheckStackTrace(int); -void ATTRIBUTE_NOINLINE CheckStackTraceLeaf(void) { - const int STACK_LEN = 10; - void *stack[STACK_LEN]; - int size; - - ADJUST_ADDRESS_RANGE_FROM_RA(&expected_range[1]); - INIT_ADDRESS_RANGE(CheckStackTraceLeaf, start, end, &expected_range[0]); - DECLARE_ADDRESS_LABEL(start); - size = GetStackTrace(stack, STACK_LEN, 0); - printf("Obtained %d stack frames.\n", size); - CHECK_GE(size, 1); - CHECK_LE(size, STACK_LEN); - - if (1) { -#ifdef HAVE_EXECINFO_H - char **strings = backtrace_symbols(stack, size); - printf("Obtained %d stack frames.\n", size); - for (int i = 0; i < size; i++) - printf("%s %p\n", strings[i], stack[i]); - printf("CheckStackTrace() addr: %p\n", &CheckStackTrace); - free(strings); -#endif - } - for (int i = 0; i < BACKTRACE_STEPS; i++) { - printf("Backtrace %d: expected: %p..%p actual: %p ... ", - i, expected_range[i].start, expected_range[i].end, stack[i]); - fflush(stdout); - CheckRetAddrIsInFunction(stack[i], expected_range[i]); - printf("OK\n"); - } - DECLARE_ADDRESS_LABEL(end); -} - -//-----------------------------------------------------------------------// - -/* Dummy functions to make the backtrace more interesting. */ -void ATTRIBUTE_NOINLINE CheckStackTrace4(int i) { - ADJUST_ADDRESS_RANGE_FROM_RA(&expected_range[2]); - INIT_ADDRESS_RANGE(CheckStackTrace4, start, end, &expected_range[1]); - DECLARE_ADDRESS_LABEL(start); - for (int j = i; j >= 0; j--) - CheckStackTraceLeaf(); - DECLARE_ADDRESS_LABEL(end); -} -void ATTRIBUTE_NOINLINE CheckStackTrace3(int i) { - ADJUST_ADDRESS_RANGE_FROM_RA(&expected_range[3]); - INIT_ADDRESS_RANGE(CheckStackTrace3, start, end, &expected_range[2]); - DECLARE_ADDRESS_LABEL(start); - for (int j = i; j >= 0; j--) - CheckStackTrace4(j); - DECLARE_ADDRESS_LABEL(end); -} -void ATTRIBUTE_NOINLINE CheckStackTrace2(int i) { - ADJUST_ADDRESS_RANGE_FROM_RA(&expected_range[4]); - INIT_ADDRESS_RANGE(CheckStackTrace2, start, end, &expected_range[3]); - DECLARE_ADDRESS_LABEL(start); - for (int j = i; j >= 0; j--) - CheckStackTrace3(j); - DECLARE_ADDRESS_LABEL(end); -} -void ATTRIBUTE_NOINLINE CheckStackTrace1(int i) { - ADJUST_ADDRESS_RANGE_FROM_RA(&expected_range[5]); - INIT_ADDRESS_RANGE(CheckStackTrace1, start, end, &expected_range[4]); - DECLARE_ADDRESS_LABEL(start); - for (int j = i; j >= 0; j--) - CheckStackTrace2(j); - DECLARE_ADDRESS_LABEL(end); -} -void ATTRIBUTE_NOINLINE CheckStackTrace(int i) { - INIT_ADDRESS_RANGE(CheckStackTrace, start, end, &expected_range[5]); - DECLARE_ADDRESS_LABEL(start); - for (int j = i; j >= 0; j--) - CheckStackTrace1(j); - DECLARE_ADDRESS_LABEL(end); -} - -//-----------------------------------------------------------------------// - -int main(int, char ** argv) { - FLAGS_logtostderr = true; - InitGoogleLogging(argv[0]); - - CheckStackTrace(0); - - printf("PASS\n"); - return 0; -} - -#else -int main() { - printf("PASS (no stacktrace support)\n"); - return 0; -} -#endif // HAVE_STACKTRACE http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/c43107d1/third_party/src/glog/src/stacktrace_x86-inl.h ---------------------------------------------------------------------- diff --git a/third_party/src/glog/src/stacktrace_x86-inl.h b/third_party/src/glog/src/stacktrace_x86-inl.h deleted file mode 100644 index cfd31f7..0000000 --- a/third_party/src/glog/src/stacktrace_x86-inl.h +++ /dev/null @@ -1,139 +0,0 @@ -// Copyright (c) 2000 - 2007, Google Inc. -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Produce stack trace - -#include // for uintptr_t - -#include "utilities.h" // for OS_* macros - -#if !defined(OS_WINDOWS) -#include -#include -#endif - -#include // for NULL -#include "stacktrace.h" - -_START_GOOGLE_NAMESPACE_ - -// Given a pointer to a stack frame, locate and return the calling -// stackframe, or return NULL if no stackframe can be found. Perform sanity -// checks (the strictness of which is controlled by the boolean parameter -// "STRICT_UNWINDING") to reduce the chance that a bad pointer is returned. -template -static void **NextStackFrame(void **old_sp) { - void **new_sp = (void **) *old_sp; - - // Check that the transition from frame pointer old_sp to frame - // pointer new_sp isn't clearly bogus - if (STRICT_UNWINDING) { - // With the stack growing downwards, older stack frame must be - // at a greater address that the current one. - if (new_sp <= old_sp) return NULL; - // Assume stack frames larger than 100,000 bytes are bogus. - if ((uintptr_t)new_sp - (uintptr_t)old_sp > 100000) return NULL; - } else { - // In the non-strict mode, allow discontiguous stack frames. - // (alternate-signal-stacks for example). - if (new_sp == old_sp) return NULL; - // And allow frames upto about 1MB. - if ((new_sp > old_sp) - && ((uintptr_t)new_sp - (uintptr_t)old_sp > 1000000)) return NULL; - } - if ((uintptr_t)new_sp & (sizeof(void *) - 1)) return NULL; -#ifdef __i386__ - // On 64-bit machines, the stack pointer can be very close to - // 0xffffffff, so we explicitly check for a pointer into the - // last two pages in the address space - if ((uintptr_t)new_sp >= 0xffffe000) return NULL; -#endif -#if !defined(OS_WINDOWS) - if (!STRICT_UNWINDING) { - // Lax sanity checks cause a crash in 32-bit tcmalloc/crash_reason_test - // on AMD-based machines with VDSO-enabled kernels. - // Make an extra sanity check to insure new_sp is readable. - // Note: NextStackFrame() is only called while the program - // is already on its last leg, so it's ok to be slow here. - static int page_size = getpagesize(); - void *new_sp_aligned = (void *)((uintptr_t)new_sp & ~(page_size - 1)); - if (msync(new_sp_aligned, page_size, MS_ASYNC) == -1) - return NULL; - } -#endif - return new_sp; -} - -// If you change this function, also change GetStackFrames below. -int GetStackTrace(void** result, int max_depth, int skip_count) { - void **sp; -#ifdef __i386__ - // Stack frame format: - // sp[0] pointer to previous frame - // sp[1] caller address - // sp[2] first argument - // ... - sp = (void **)&result - 2; -#endif - -#ifdef __x86_64__ - // __builtin_frame_address(0) can return the wrong address on gcc-4.1.0-k8 - unsigned long rbp; - // Move the value of the register %rbp into the local variable rbp. - // We need 'volatile' to prevent this instruction from getting moved - // around during optimization to before function prologue is done. - // An alternative way to achieve this - // would be (before this __asm__ instruction) to call Noop() defined as - // static void Noop() __attribute__ ((noinline)); // prevent inlining - // static void Noop() { asm(""); } // prevent optimizing-away - __asm__ volatile ("mov %%rbp, %0" : "=r" (rbp)); - // Arguments are passed in registers on x86-64, so we can't just - // offset from &result - sp = (void **) rbp; -#endif - - int n = 0; - while (sp && n < max_depth) { - if (*(sp+1) == (void *)0) { - // In 64-bit code, we often see a frame that - // points to itself and has a return address of 0. - break; - } - if (skip_count > 0) { - skip_count--; - } else { - result[n++] = *(sp+1); - } - // Use strict unwinding rules. - sp = NextStackFrame(sp); - } - return n; -} - -_END_GOOGLE_NAMESPACE_ http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/c43107d1/third_party/src/glog/src/stacktrace_x86_64-inl.h ---------------------------------------------------------------------- diff --git a/third_party/src/glog/src/stacktrace_x86_64-inl.h b/third_party/src/glog/src/stacktrace_x86_64-inl.h deleted file mode 100644 index c14482e..0000000 --- a/third_party/src/glog/src/stacktrace_x86_64-inl.h +++ /dev/null @@ -1,109 +0,0 @@ -// Copyright (c) 2005 - 2007, Google Inc. -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Author: Arun Sharma -// -// Produce stack trace using libgcc - -#ifndef _GNU_SOURCE -#define _GNU_SOURCE 1 -#endif - -extern "C" { -#include // for NULL -#include // ABI defined unwinder -} -#include "stacktrace.h" - -_START_GOOGLE_NAMESPACE_ - -typedef struct { - void **result; - int max_depth; - int skip_count; - int count; -} trace_arg_t; - - -// Workaround for the malloc() in _Unwind_Backtrace() issue. -static _Unwind_Reason_Code nop_backtrace(struct _Unwind_Context *uc, void *opq) { - return _URC_NO_REASON; -} - - -// This code is not considered ready to run until -// static initializers run so that we are guaranteed -// that any malloc-related initialization is done. -static bool ready_to_run = false; -class StackTraceInit { - public: - StackTraceInit() { - // Extra call to force initialization - _Unwind_Backtrace(nop_backtrace, NULL); - ready_to_run = true; - } -}; - -static StackTraceInit module_initializer; // Force initialization - -static _Unwind_Reason_Code GetOneFrame(struct _Unwind_Context *uc, void *opq) { - trace_arg_t *targ = (trace_arg_t *) opq; - - if (targ->skip_count > 0) { - targ->skip_count--; - } else { - targ->result[targ->count++] = (void *) _Unwind_GetIP(uc); - } - - if (targ->count == targ->max_depth) - return _URC_END_OF_STACK; - - return _URC_NO_REASON; -} - -// If you change this function, also change GetStackFrames below. -int GetStackTrace(void** result, int max_depth, int skip_count) { - if (!ready_to_run) - return 0; - - trace_arg_t targ; - - skip_count += 1; // Do not include the "GetStackTrace" frame - - targ.result = result; - targ.max_depth = max_depth; - targ.skip_count = skip_count; - targ.count = 0; - - _Unwind_Backtrace(GetOneFrame, &targ); - - return targ.count; -} - -_END_GOOGLE_NAMESPACE_ http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/c43107d1/third_party/src/glog/src/stl_logging_unittest.cc ---------------------------------------------------------------------- diff --git a/third_party/src/glog/src/stl_logging_unittest.cc b/third_party/src/glog/src/stl_logging_unittest.cc deleted file mode 100644 index 5dcbc44..0000000 --- a/third_party/src/glog/src/stl_logging_unittest.cc +++ /dev/null @@ -1,182 +0,0 @@ -// Copyright (c) 2003, Google Inc. -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -#include "config.h" - -#ifdef HAVE_USING_OPERATOR - -#include "glog/stl_logging.h" - -#include -#include -#include -#include -#include - -#ifdef __GNUC__ -# include -# include -#endif - -#include "glog/logging.h" -#include "googletest.h" - -using namespace std; -#ifdef __GNUC__ -using namespace __gnu_cxx; -#endif - -struct user_hash { - size_t operator()(int x) const { return x; } -}; - -void TestSTLLogging() { - { - // Test a sequence. - vector v; - v.push_back(10); - v.push_back(20); - v.push_back(30); - ostringstream ss; - ss << v; - EXPECT_EQ(ss.str(), "10 20 30"); - vector copied_v(v); - CHECK_EQ(v, copied_v); // This must compile. - } - - { - // Test a sorted pair associative container. - map< int, string > m; - m[20] = "twenty"; - m[10] = "ten"; - m[30] = "thirty"; - ostringstream ss; - ss << m; - EXPECT_EQ(ss.str(), "(10, ten) (20, twenty) (30, thirty)"); - map< int, string > copied_m(m); - CHECK_EQ(m, copied_m); // This must compile. - } - -#ifdef __GNUC__ - { - // Test a hashed simple associative container. - hash_set hs; - hs.insert(10); - hs.insert(20); - hs.insert(30); - ostringstream ss; - ss << hs; - EXPECT_EQ(ss.str(), "10 20 30"); - hash_set copied_hs(hs); - CHECK_EQ(hs, copied_hs); // This must compile. - } -#endif - -#ifdef __GNUC__ - { - // Test a hashed pair associative container. - hash_map hm; - hm[10] = "ten"; - hm[20] = "twenty"; - hm[30] = "thirty"; - ostringstream ss; - ss << hm; - EXPECT_EQ(ss.str(), "(10, ten) (20, twenty) (30, thirty)"); - hash_map copied_hm(hm); - CHECK_EQ(hm, copied_hm); // this must compile - } -#endif - - { - // Test a long sequence. - vector v; - string expected; - for (int i = 0; i < 100; i++) { - v.push_back(i); - if (i > 0) expected += ' '; - char buf[256]; - sprintf(buf, "%d", i); - expected += buf; - } - v.push_back(100); - expected += " ..."; - ostringstream ss; - ss << v; - CHECK_EQ(ss.str(), expected.c_str()); - } - - { - // Test a sorted pair associative container. - // Use a non-default comparison functor. - map< int, string, greater > m; - m[20] = "twenty"; - m[10] = "ten"; - m[30] = "thirty"; - ostringstream ss; - ss << m; - EXPECT_EQ(ss.str(), "(30, thirty) (20, twenty) (10, ten)"); - map< int, string, greater > copied_m(m); - CHECK_EQ(m, copied_m); // This must compile. - } - -#ifdef __GNUC__ - { - // Test a hashed simple associative container. - // Use a user defined hash function. - hash_set hs; - hs.insert(10); - hs.insert(20); - hs.insert(30); - ostringstream ss; - ss << hs; - EXPECT_EQ(ss.str(), "10 20 30"); - hash_set copied_hs(hs); - CHECK_EQ(hs, copied_hs); // This must compile. - } -#endif -} - -int main(int, char**) { - TestSTLLogging(); - std::cout << "PASS\n"; - return 0; -} - -#else - -#include - -int main(int, char**) { - std::cout << "We don't support stl_logging for this compiler.\n" - << "(we need compiler support of 'using ::operator<<' " - << "for this feature.)\n"; - return 0; -} - -#endif // HAVE_USING_OPERATOR http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/c43107d1/third_party/src/glog/src/symbolize.cc ---------------------------------------------------------------------- diff --git a/third_party/src/glog/src/symbolize.cc b/third_party/src/glog/src/symbolize.cc deleted file mode 100644 index 157c525..0000000 --- a/third_party/src/glog/src/symbolize.cc +++ /dev/null @@ -1,681 +0,0 @@ -// Copyright (c) 2006, Google Inc. -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Author: Satoru Takabayashi -// Stack-footprint reduction work done by Raksit Ashok -// -// Implementation note: -// -// We don't use heaps but only use stacks. We want to reduce the -// stack consumption so that the symbolizer can run on small stacks. -// -// Here are some numbers collected with GCC 4.1.0 on x86: -// - sizeof(Elf32_Sym) = 16 -// - sizeof(Elf32_Shdr) = 40 -// - sizeof(Elf64_Sym) = 24 -// - sizeof(Elf64_Shdr) = 64 -// -// This implementation is intended to be async-signal-safe but uses -// some functions which are not guaranteed to be so, such as memchr() -// and memmove(). We assume they are async-signal-safe. -// - -#include "utilities.h" - -#if defined(HAVE_SYMBOLIZE) - -#include - -#include "symbolize.h" -#include "demangle.h" - -_START_GOOGLE_NAMESPACE_ - -// We don't use assert() since it's not guaranteed to be -// async-signal-safe. Instead we define a minimal assertion -// macro. So far, we don't need pretty printing for __FILE__, etc. - -// A wrapper for abort() to make it callable in ? :. -static int AssertFail() { - abort(); - return 0; // Should not reach. -} - -#define SAFE_ASSERT(expr) ((expr) ? 0 : AssertFail()) - -static SymbolizeCallback g_symbolize_callback = NULL; -void InstallSymbolizeCallback(SymbolizeCallback callback) { - g_symbolize_callback = callback; -} - -// This function wraps the Demangle function to provide an interface -// where the input symbol is demangled in-place. -// To keep stack consumption low, we would like this function to not -// get inlined. -static ATTRIBUTE_NOINLINE void DemangleInplace(char *out, int out_size) { - char demangled[256]; // Big enough for sane demangled symbols. - if (Demangle(out, demangled, sizeof(demangled))) { - // Demangling succeeded. Copy to out if the space allows. - size_t len = strlen(demangled); - if (len + 1 <= (size_t)out_size) { // +1 for '\0'. - SAFE_ASSERT(len < sizeof(demangled)); - memmove(out, demangled, len + 1); - } - } -} - -_END_GOOGLE_NAMESPACE_ - -#if defined(__ELF__) - -#include -#include -#include -#include -#include -#include // For ElfW() macro. -#include -#include -#include -#include -#include -#include -#include -#include - -#include "symbolize.h" -#include "config.h" -#include "glog/raw_logging.h" - -// Re-runs fn until it doesn't cause EINTR. -#define NO_INTR(fn) do {} while ((fn) < 0 && errno == EINTR) - -_START_GOOGLE_NAMESPACE_ - -// Read up to "count" bytes from file descriptor "fd" into the buffer -// starting at "buf" while handling short reads and EINTR. On -// success, return the number of bytes read. Otherwise, return -1. -static ssize_t ReadPersistent(const int fd, void *buf, const size_t count) { - SAFE_ASSERT(fd >= 0); - SAFE_ASSERT(count >= 0 && count <= std::numeric_limits::max()); - char *buf0 = reinterpret_cast(buf); - ssize_t num_bytes = 0; - while (num_bytes < count) { - ssize_t len; - NO_INTR(len = read(fd, buf0 + num_bytes, count - num_bytes)); - if (len < 0) { // There was an error other than EINTR. - return -1; - } - if (len == 0) { // Reached EOF. - break; - } - num_bytes += len; - } - SAFE_ASSERT(num_bytes <= count); - return num_bytes; -} - -// Read up to "count" bytes from "offset" in the file pointed by file -// descriptor "fd" into the buffer starting at "buf". On success, -// return the number of bytes read. Otherwise, return -1. -static ssize_t ReadFromOffset(const int fd, void *buf, - const size_t count, const off_t offset) { - off_t off = lseek(fd, offset, SEEK_SET); - if (off == (off_t)-1) { - return -1; - } - return ReadPersistent(fd, buf, count); -} - -// Try reading exactly "count" bytes from "offset" bytes in a file -// pointed by "fd" into the buffer starting at "buf" while handling -// short reads and EINTR. On success, return true. Otherwise, return -// false. -static bool ReadFromOffsetExact(const int fd, void *buf, - const size_t count, const off_t offset) { - ssize_t len = ReadFromOffset(fd, buf, count, offset); - return len == count; -} - -// Returns elf_header.e_type if the file pointed by fd is an ELF binary. -static int FileGetElfType(const int fd) { - ElfW(Ehdr) elf_header; - if (!ReadFromOffsetExact(fd, &elf_header, sizeof(elf_header), 0)) { - return -1; - } - if (memcmp(elf_header.e_ident, ELFMAG, SELFMAG) != 0) { - return -1; - } - return elf_header.e_type; -} - -// Read the section headers in the given ELF binary, and if a section -// of the specified type is found, set the output to this section header -// and return true. Otherwise, return false. -// To keep stack consumption low, we would like this function to not get -// inlined. -static ATTRIBUTE_NOINLINE bool -GetSectionHeaderByType(const int fd, ElfW(Half) sh_num, const off_t sh_offset, - ElfW(Word) type, ElfW(Shdr) *out) { - // Read at most 16 section headers at a time to save read calls. - ElfW(Shdr) buf[16]; - for (int i = 0; i < sh_num;) { - const ssize_t num_bytes_left = (sh_num - i) * sizeof(buf[0]); - const ssize_t num_bytes_to_read = - (sizeof(buf) > num_bytes_left) ? num_bytes_left : sizeof(buf); - const ssize_t len = ReadFromOffset(fd, buf, num_bytes_to_read, - sh_offset + i * sizeof(buf[0])); - SAFE_ASSERT(len % sizeof(buf[0]) == 0); - const ssize_t num_headers_in_buf = len / sizeof(buf[0]); - SAFE_ASSERT(num_headers_in_buf <= sizeof(buf) / sizeof(buf[0])); - for (int j = 0; j < num_headers_in_buf; ++j) { - if (buf[j].sh_type == type) { - *out = buf[j]; - return true; - } - } - i += num_headers_in_buf; - } - return false; -} - -// There is no particular reason to limit section name to 63 characters, -// but there has (as yet) been no need for anything longer either. -const int kMaxSectionNameLen = 64; - -// name_len should include terminating '\0'. -bool GetSectionHeaderByName(int fd, const char *name, size_t name_len, - ElfW(Shdr) *out) { - ElfW(Ehdr) elf_header; - if (!ReadFromOffsetExact(fd, &elf_header, sizeof(elf_header), 0)) { - return false; - } - - ElfW(Shdr) shstrtab; - off_t shstrtab_offset = (elf_header.e_shoff + - elf_header.e_shentsize * elf_header.e_shstrndx); - if (!ReadFromOffsetExact(fd, &shstrtab, sizeof(shstrtab), shstrtab_offset)) { - return false; - } - - for (int i = 0; i < elf_header.e_shnum; ++i) { - off_t section_header_offset = (elf_header.e_shoff + - elf_header.e_shentsize * i); - if (!ReadFromOffsetExact(fd, out, sizeof(*out), section_header_offset)) { - return false; - } - char header_name[kMaxSectionNameLen]; - if (sizeof(header_name) < name_len) { - RAW_LOG(WARNING, "Section name '%s' is too long (%" PRIuS"); " - "section will not be found (even if present).", name, name_len); - // No point in even trying. - return false; - } - off_t name_offset = shstrtab.sh_offset + out->sh_name; - ssize_t n_read = ReadFromOffset(fd, &header_name, name_len, name_offset); - if (n_read == -1) { - return false; - } else if (n_read != name_len) { - // Short read -- name could be at end of file. - continue; - } - if (memcmp(header_name, name, name_len) == 0) { - return true; - } - } - return false; -} - -// Read a symbol table and look for the symbol containing the -// pc. Iterate over symbols in a symbol table and look for the symbol -// containing "pc". On success, return true and write the symbol name -// to out. Otherwise, return false. -// To keep stack consumption low, we would like this function to not get -// inlined. -static ATTRIBUTE_NOINLINE bool -FindSymbol(uint64_t pc, const int fd, char *out, int out_size, - uint64_t symbol_offset, const ElfW(Shdr) *strtab, - const ElfW(Shdr) *symtab) { - if (symtab == NULL) { - return false; - } - const int num_symbols = symtab->sh_size / symtab->sh_entsize; - for (int i = 0; i < num_symbols;) { - off_t offset = symtab->sh_offset + i * symtab->sh_entsize; - - // If we are reading Elf64_Sym's, we want to limit this array to - // 32 elements (to keep stack consumption low), otherwise we can - // have a 64 element Elf32_Sym array. -#if __WORDSIZE == 64 -#define NUM_SYMBOLS 32 -#else -#define NUM_SYMBOLS 64 -#endif - - // Read at most NUM_SYMBOLS symbols at once to save read() calls. - ElfW(Sym) buf[NUM_SYMBOLS]; - const ssize_t len = ReadFromOffset(fd, &buf, sizeof(buf), offset); - SAFE_ASSERT(len % sizeof(buf[0]) == 0); - const ssize_t num_symbols_in_buf = len / sizeof(buf[0]); - SAFE_ASSERT(num_symbols_in_buf <= sizeof(buf)/sizeof(buf[0])); - for (int j = 0; j < num_symbols_in_buf; ++j) { - const ElfW(Sym)& symbol = buf[j]; - uint64_t start_address = symbol.st_value; - start_address += symbol_offset; - uint64_t end_address = start_address + symbol.st_size; - if (symbol.st_value != 0 && // Skip null value symbols. - symbol.st_shndx != 0 && // Skip undefined symbols. - start_address <= pc && pc < end_address) { - ssize_t len1 = ReadFromOffset(fd, out, out_size, - strtab->sh_offset + symbol.st_name); - if (len1 <= 0 || memchr(out, '\0', out_size) == NULL) { - return false; - } - return true; // Obtained the symbol name. - } - } - i += num_symbols_in_buf; - } - return false; -} - -// Get the symbol name of "pc" from the file pointed by "fd". Process -// both regular and dynamic symbol tables if necessary. On success, -// write the symbol name to "out" and return true. Otherwise, return -// false. -static bool GetSymbolFromObjectFile(const int fd, uint64_t pc, - char *out, int out_size, - uint64_t map_start_address) { - // Read the ELF header. - ElfW(Ehdr) elf_header; - if (!ReadFromOffsetExact(fd, &elf_header, sizeof(elf_header), 0)) { - return false; - } - - uint64_t symbol_offset = 0; - if (elf_header.e_type == ET_DYN) { // DSO needs offset adjustment. - symbol_offset = map_start_address; - } - - ElfW(Shdr) symtab, strtab; - - // Consult a regular symbol table first. - if (!GetSectionHeaderByType(fd, elf_header.e_shnum, elf_header.e_shoff, - SHT_SYMTAB, &symtab)) { - return false; - } - if (!ReadFromOffsetExact(fd, &strtab, sizeof(strtab), elf_header.e_shoff + - symtab.sh_link * sizeof(symtab))) { - return false; - } - if (FindSymbol(pc, fd, out, out_size, symbol_offset, - &strtab, &symtab)) { - return true; // Found the symbol in a regular symbol table. - } - - // If the symbol is not found, then consult a dynamic symbol table. - if (!GetSectionHeaderByType(fd, elf_header.e_shnum, elf_header.e_shoff, - SHT_DYNSYM, &symtab)) { - return false; - } - if (!ReadFromOffsetExact(fd, &strtab, sizeof(strtab), elf_header.e_shoff + - symtab.sh_link * sizeof(symtab))) { - return false; - } - if (FindSymbol(pc, fd, out, out_size, symbol_offset, - &strtab, &symtab)) { - return true; // Found the symbol in a dynamic symbol table. - } - - return false; -} - -namespace { -// Thin wrapper around a file descriptor so that the file descriptor -// gets closed for sure. -struct FileDescriptor { - const int fd_; - explicit FileDescriptor(int fd) : fd_(fd) {} - ~FileDescriptor() { - if (fd_ >= 0) { - NO_INTR(close(fd_)); - } - } - int get() { return fd_; } - - private: - explicit FileDescriptor(const FileDescriptor&); - void operator=(const FileDescriptor&); -}; - -// Helper class for reading lines from file. -// -// Note: we don't use ProcMapsIterator since the object is big (it has -// a 5k array member) and uses async-unsafe functions such as sscanf() -// and snprintf(). -class LineReader { - public: - explicit LineReader(int fd, char *buf, int buf_len) : fd_(fd), - buf_(buf), buf_len_(buf_len), bol_(buf), eol_(buf), eod_(buf) { - } - - // Read '\n'-terminated line from file. On success, modify "bol" - // and "eol", then return true. Otherwise, return false. - // - // Note: if the last line doesn't end with '\n', the line will be - // dropped. It's an intentional behavior to make the code simple. - bool ReadLine(const char **bol, const char **eol) { - if (BufferIsEmpty()) { // First time. - const ssize_t num_bytes = ReadPersistent(fd_, buf_, buf_len_); - if (num_bytes <= 0) { // EOF or error. - return false; - } - eod_ = buf_ + num_bytes; - bol_ = buf_; - } else { - bol_ = eol_ + 1; // Advance to the next line in the buffer. - SAFE_ASSERT(bol_ <= eod_); // "bol_" can point to "eod_". - if (!HasCompleteLine()) { - const int incomplete_line_length = eod_ - bol_; - // Move the trailing incomplete line to the beginning. - memmove(buf_, bol_, incomplete_line_length); - // Read text from file and append it. - char * const append_pos = buf_ + incomplete_line_length; - const int capacity_left = buf_len_ - incomplete_line_length; - const ssize_t num_bytes = ReadPersistent(fd_, append_pos, - capacity_left); - if (num_bytes <= 0) { // EOF or error. - return false; - } - eod_ = append_pos + num_bytes; - bol_ = buf_; - } - } - eol_ = FindLineFeed(); - if (eol_ == NULL) { // '\n' not found. Malformed line. - return false; - } - *eol_ = '\0'; // Replace '\n' with '\0'. - - *bol = bol_; - *eol = eol_; - return true; - } - - // Beginning of line. - const char *bol() { - return bol_; - } - - // End of line. - const char *eol() { - return eol_; - } - - private: - explicit LineReader(const LineReader&); - void operator=(const LineReader&); - - char *FindLineFeed() { - return reinterpret_cast(memchr(bol_, '\n', eod_ - bol_)); - } - - bool BufferIsEmpty() { - return buf_ == eod_; - } - - bool HasCompleteLine() { - return !BufferIsEmpty() && FindLineFeed() != NULL; - } - - const int fd_; - char * const buf_; - const int buf_len_; - char *bol_; - char *eol_; - const char *eod_; // End of data in "buf_". -}; -} // namespace - -// Place the hex number read from "start" into "*hex". The pointer to -// the first non-hex character or "end" is returned. -static char *GetHex(const char *start, const char *end, uint64_t *hex) { - *hex = 0; - const char *p; - for (p = start; p < end; ++p) { - int ch = *p; - if ((ch >= '0' && ch <= '9') || - (ch >= 'A' && ch <= 'F') || (ch >= 'a' && ch <= 'f')) { - *hex = (*hex << 4) | (ch < 'A' ? ch - '0' : (ch & 0xF) + 9); - } else { // Encountered the first non-hex character. - break; - } - } - SAFE_ASSERT(p <= end); - return const_cast(p); -} - -// Search for the object file (from /proc/self/maps) that contains -// the specified pc. If found, open this file and return the file handle, -// and also set start_address to the start address of where this object -// file is mapped to in memory. Otherwise, return -1. -static ATTRIBUTE_NOINLINE int -OpenObjectFileContainingPcAndGetStartAddress(uint64_t pc, - uint64_t &start_address) { - int object_fd; - - // Open /proc/self/maps. - int maps_fd; - NO_INTR(maps_fd = open("/proc/self/maps", O_RDONLY)); - FileDescriptor wrapped_maps_fd(maps_fd); - if (wrapped_maps_fd.get() < 0) { - return -1; - } - - // Iterate over maps and look for the map containing the pc. Then - // look into the symbol tables inside. - char buf[1024]; // Big enough for line of sane /proc/self/maps - LineReader reader(wrapped_maps_fd.get(), buf, sizeof(buf)); - while (true) { - const char *cursor; - const char *eol; - if (!reader.ReadLine(&cursor, &eol)) { // EOF or malformed line. - return -1; - } - - // Start parsing line in /proc/self/maps. Here is an example: - // - // 08048000-0804c000 r-xp 00000000 08:01 2142121 /bin/cat - // - // We want start address (08048000), end address (0804c000), flags - // (r-xp) and file name (/bin/cat). - - // Read start address. - cursor = GetHex(cursor, eol, &start_address); - if (cursor == eol || *cursor != '-') { - return -1; // Malformed line. - } - ++cursor; // Skip '-'. - - // Read end address. - uint64_t end_address; - cursor = GetHex(cursor, eol, &end_address); - if (cursor == eol || *cursor != ' ') { - return -1; // Malformed line. - } - ++cursor; // Skip ' '. - - // Check start and end addresses. - if (!(start_address <= pc && pc < end_address)) { - continue; // We skip this map. PC isn't in this map. - } - - // Read flags. Skip flags until we encounter a space or eol. - const char * const flags_start = cursor; - while (cursor < eol && *cursor != ' ') { - ++cursor; - } - // We expect at least four letters for flags (ex. "r-xp"). - if (cursor == eol || cursor < flags_start + 4) { - return -1; // Malformed line. - } - - // Check flags. We are only interested in "r-x" maps. - if (memcmp(flags_start, "r-x", 3) != 0) { // Not a "r-x" map. - continue; // We skip this map. - } - ++cursor; // Skip ' '. - - // Skip to file name. "cursor" now points to file offset. We need to - // skip at least three spaces for file offset, dev, and inode. - int num_spaces = 0; - while (cursor < eol) { - if (*cursor == ' ') { - ++num_spaces; - } else if (num_spaces >= 3) { - // The first non-space character after skipping three spaces - // is the beginning of the file name. - break; - } - ++cursor; - } - if (cursor == eol) { - return -1; // Malformed line. - } - - // Finally, "cursor" now points to file name of our interest. - NO_INTR(object_fd = open(cursor, O_RDONLY)); - if (object_fd < 0) { - return -1; - } - return object_fd; - } -} - -// The implementation of our symbolization routine. If it -// successfully finds the symbol containing "pc" and obtains the -// symbol name, returns true and write the symbol name to "out". -// Otherwise, returns false. If Callback function is installed via -// InstallSymbolizeCallback(), the function is also called in this function, -// and "out" is used as its output. -// To keep stack consumption low, we would like this function to not -// get inlined. -static ATTRIBUTE_NOINLINE bool SymbolizeAndDemangle(void *pc, char *out, - int out_size) { - uint64_t pc0 = reinterpret_cast(pc); - uint64_t start_address = 0; - - int object_fd = OpenObjectFileContainingPcAndGetStartAddress(pc0, - start_address); - if (object_fd == -1) { - return false; - } - FileDescriptor wrapped_object_fd(object_fd); - int elf_type = FileGetElfType(wrapped_object_fd.get()); - if (elf_type == -1) { - return false; - } - if (g_symbolize_callback) { - // Run the call back if it's installed. - // Note: relocation (and much of the rest of this code) will be - // wrong for prelinked shared libraries and PIE executables. - uint64 relocation = (elf_type == ET_DYN) ? start_address : 0; - int num_bytes_written = g_symbolize_callback(wrapped_object_fd.get(), - pc, out, out_size, - relocation); - if (num_bytes_written > 0) { - out += num_bytes_written; - out_size -= num_bytes_written; - } - } - if (!GetSymbolFromObjectFile(wrapped_object_fd.get(), pc0, - out, out_size, start_address)) { - return false; - } - - // Symbolization succeeded. Now we try to demangle the symbol. - DemangleInplace(out, out_size); - return true; -} - -_END_GOOGLE_NAMESPACE_ - -#elif defined(OS_MACOSX) && defined(HAVE_DLADDR) - -#include -#include - -_START_GOOGLE_NAMESPACE_ - -static ATTRIBUTE_NOINLINE bool SymbolizeAndDemangle(void *pc, char *out, - int out_size) { - Dl_info info; - if (dladdr(pc, &info)) { - if ((int)strlen(info.dli_sname) < out_size) { - strcpy(out, info.dli_sname); - // Symbolization succeeded. Now we try to demangle the symbol. - DemangleInplace(out, out_size); - return true; - } - } - return false; -} - -_END_GOOGLE_NAMESPACE_ - -#else -# error BUG: HAVE_SYMBOLIZE was wrongly set -#endif - -_START_GOOGLE_NAMESPACE_ - -bool Symbolize(void *pc, char *out, int out_size) { - SAFE_ASSERT(out_size >= 0); - return SymbolizeAndDemangle(pc, out, out_size); -} - -_END_GOOGLE_NAMESPACE_ - -#else /* HAVE_SYMBOLIZE */ - -#include - -#include "config.h" - -_START_GOOGLE_NAMESPACE_ - -// TODO: Support other environments. -bool Symbolize(void *pc, char *out, int out_size) { - assert(0); - return false; -} - -_END_GOOGLE_NAMESPACE_ - -#endif