Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1 | // Copyright 2009 the V8 project authors. All rights reserved. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 4 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 5 | #include "src/log-utils.h" |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 6 | |
| 7 | #include "src/assert-scope.h" |
| 8 | #include "src/base/platform/platform.h" |
| 9 | #include "src/objects-inl.h" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 10 | #include "src/string-stream.h" |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 11 | #include "src/utils.h" |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 12 | #include "src/version.h" |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 13 | |
| 14 | namespace v8 { |
| 15 | namespace internal { |
| 16 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 17 | |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 18 | const char* const Log::kLogToTemporaryFile = "&"; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 19 | const char* const Log::kLogToConsole = "-"; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 20 | |
| 21 | |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 22 | Log::Log(Logger* logger) |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 23 | : is_stopped_(false), |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 24 | output_handle_(NULL), |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 25 | message_buffer_(NULL), |
| 26 | logger_(logger) { |
| 27 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 28 | |
| 29 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 30 | void Log::Initialize(const char* log_file_name) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 31 | message_buffer_ = NewArray<char>(kMessageBufferSize); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 32 | |
| 33 | // --log-all enables all the log flags. |
| 34 | if (FLAG_log_all) { |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 35 | FLAG_log_api = true; |
| 36 | FLAG_log_code = true; |
| 37 | FLAG_log_gc = true; |
| 38 | FLAG_log_suspect = true; |
| 39 | FLAG_log_handles = true; |
| 40 | FLAG_log_regexp = true; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 41 | FLAG_log_internal_timer_events = true; |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 42 | } |
| 43 | |
| 44 | // --prof implies --log-code. |
| 45 | if (FLAG_prof) FLAG_log_code = true; |
| 46 | |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 47 | // If we're logging anything, we need to open the log file. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 48 | if (Log::InitLogAtStart()) { |
| 49 | if (strcmp(log_file_name, kLogToConsole) == 0) { |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 50 | OpenStdout(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 51 | } else if (strcmp(log_file_name, kLogToTemporaryFile) == 0) { |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 52 | OpenTemporaryFile(); |
| 53 | } else { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 54 | OpenFile(log_file_name); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 55 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 56 | |
| 57 | if (output_handle_ != nullptr) { |
| 58 | Log::MessageBuilder msg(this); |
| 59 | msg.Append("v8-version,%d,%d,%d,%d,%d", Version::GetMajor(), |
| 60 | Version::GetMinor(), Version::GetBuild(), Version::GetPatch(), |
| 61 | Version::IsCandidate()); |
| 62 | msg.WriteToLogFile(); |
| 63 | } |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 64 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 65 | } |
| 66 | |
| 67 | |
| 68 | void Log::OpenStdout() { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 69 | DCHECK(!IsEnabled()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 70 | output_handle_ = stdout; |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 71 | } |
| 72 | |
| 73 | |
| 74 | void Log::OpenTemporaryFile() { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 75 | DCHECK(!IsEnabled()); |
| 76 | output_handle_ = base::OS::OpenTemporaryFile(); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 77 | } |
| 78 | |
| 79 | |
| 80 | void Log::OpenFile(const char* name) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 81 | DCHECK(!IsEnabled()); |
| 82 | output_handle_ = base::OS::FOpen(name, base::OS::LogFileOpenMode); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 83 | } |
| 84 | |
| 85 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 86 | FILE* Log::Close() { |
| 87 | FILE* result = NULL; |
| 88 | if (output_handle_ != NULL) { |
| 89 | if (strcmp(FLAG_logfile, kLogToTemporaryFile) != 0) { |
| 90 | fclose(output_handle_); |
| 91 | } else { |
| 92 | result = output_handle_; |
| 93 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 94 | } |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 95 | output_handle_ = NULL; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 96 | |
| 97 | DeleteArray(message_buffer_); |
| 98 | message_buffer_ = NULL; |
| 99 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 100 | is_stopped_ = false; |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 101 | return result; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 102 | } |
| 103 | |
| 104 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 105 | Log::MessageBuilder::MessageBuilder(Log* log) |
| 106 | : log_(log), |
| 107 | lock_guard_(&log_->mutex_), |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 108 | pos_(0) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 109 | DCHECK(log_->message_buffer_ != NULL); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 110 | } |
| 111 | |
| 112 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 113 | void Log::MessageBuilder::Append(const char* format, ...) { |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 114 | Vector<char> buf(log_->message_buffer_ + pos_, |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 115 | Log::kMessageBufferSize - pos_); |
| 116 | va_list args; |
| 117 | va_start(args, format); |
| 118 | AppendVA(format, args); |
| 119 | va_end(args); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 120 | DCHECK(pos_ <= Log::kMessageBufferSize); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 121 | } |
| 122 | |
| 123 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 124 | void Log::MessageBuilder::AppendVA(const char* format, va_list args) { |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 125 | Vector<char> buf(log_->message_buffer_ + pos_, |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 126 | Log::kMessageBufferSize - pos_); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 127 | int result = v8::internal::VSNPrintF(buf, format, args); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 128 | |
| 129 | // Result is -1 if output was truncated. |
| 130 | if (result >= 0) { |
| 131 | pos_ += result; |
| 132 | } else { |
| 133 | pos_ = Log::kMessageBufferSize; |
| 134 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 135 | DCHECK(pos_ <= Log::kMessageBufferSize); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 136 | } |
| 137 | |
| 138 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 139 | void Log::MessageBuilder::Append(const char c) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 140 | if (pos_ < Log::kMessageBufferSize) { |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 141 | log_->message_buffer_[pos_++] = c; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 142 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 143 | DCHECK(pos_ <= Log::kMessageBufferSize); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 144 | } |
| 145 | |
| 146 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 147 | void Log::MessageBuilder::AppendDoubleQuotedString(const char* string) { |
| 148 | Append('"'); |
| 149 | for (const char* p = string; *p != '\0'; p++) { |
| 150 | if (*p == '"') { |
| 151 | Append('\\'); |
| 152 | } |
| 153 | Append(*p); |
| 154 | } |
| 155 | Append('"'); |
| 156 | } |
| 157 | |
| 158 | |
| 159 | void Log::MessageBuilder::Append(String* str) { |
| 160 | DisallowHeapAllocation no_gc; // Ensure string stay valid. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 161 | int length = str->length(); |
| 162 | for (int i = 0; i < length; i++) { |
| 163 | Append(static_cast<char>(str->Get(i))); |
| 164 | } |
| 165 | } |
| 166 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 167 | void Log::MessageBuilder::AppendAddress(Address addr) { |
| 168 | Append("%p", static_cast<void*>(addr)); |
| 169 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 170 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 171 | void Log::MessageBuilder::AppendSymbolName(Symbol* symbol) { |
| 172 | DCHECK(symbol); |
| 173 | Append("symbol("); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 174 | if (!symbol->name()->IsUndefined(symbol->GetIsolate())) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 175 | Append("\""); |
| 176 | AppendDetailed(String::cast(symbol->name()), false); |
| 177 | Append("\" "); |
| 178 | } |
| 179 | Append("hash %x)", symbol->Hash()); |
| 180 | } |
| 181 | |
| 182 | |
| 183 | void Log::MessageBuilder::AppendDetailed(String* str, bool show_impl_info) { |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 184 | if (str == NULL) return; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 185 | DisallowHeapAllocation no_gc; // Ensure string stay valid. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 186 | int len = str->length(); |
| 187 | if (len > 0x1000) |
| 188 | len = 0x1000; |
| 189 | if (show_impl_info) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 190 | Append(str->IsOneByteRepresentation() ? 'a' : '2'); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 191 | if (StringShape(str).IsExternal()) |
| 192 | Append('e'); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 193 | if (StringShape(str).IsInternalized()) |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 194 | Append('#'); |
| 195 | Append(":%i:", str->length()); |
| 196 | } |
| 197 | for (int i = 0; i < len; i++) { |
| 198 | uc32 c = str->Get(i); |
| 199 | if (c > 0xff) { |
| 200 | Append("\\u%04x", c); |
| 201 | } else if (c < 32 || c > 126) { |
| 202 | Append("\\x%02x", c); |
| 203 | } else if (c == ',') { |
| 204 | Append("\\,"); |
| 205 | } else if (c == '\\') { |
| 206 | Append("\\\\"); |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 207 | } else if (c == '\"') { |
| 208 | Append("\"\""); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 209 | } else { |
| 210 | Append("%lc", c); |
| 211 | } |
| 212 | } |
| 213 | } |
| 214 | |
| 215 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 216 | void Log::MessageBuilder::AppendStringPart(const char* str, int len) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 217 | if (pos_ + len > Log::kMessageBufferSize) { |
| 218 | len = Log::kMessageBufferSize - pos_; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 219 | DCHECK(len >= 0); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 220 | if (len == 0) return; |
| 221 | } |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 222 | Vector<char> buf(log_->message_buffer_ + pos_, |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 223 | Log::kMessageBufferSize - pos_); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 224 | StrNCpy(buf, str, len); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 225 | pos_ += len; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 226 | DCHECK(pos_ <= Log::kMessageBufferSize); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 227 | } |
| 228 | |
| 229 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 230 | void Log::MessageBuilder::WriteToLogFile() { |
| 231 | DCHECK(pos_ <= Log::kMessageBufferSize); |
| 232 | // Assert that we do not already have a new line at the end. |
| 233 | DCHECK(pos_ == 0 || log_->message_buffer_[pos_ - 1] != '\n'); |
| 234 | if (pos_ == Log::kMessageBufferSize) pos_--; |
| 235 | log_->message_buffer_[pos_++] = '\n'; |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 236 | const int written = log_->WriteToFile(log_->message_buffer_, pos_); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 237 | if (written != pos_) { |
| 238 | log_->stop(); |
| 239 | log_->logger_->LogFailure(); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 240 | } |
| 241 | } |
| 242 | |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 243 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 244 | } // namespace internal |
| 245 | } // namespace v8 |