1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/vm/compiler/compileLog.hpp Wed Apr 27 01:25:04 2016 +0800
1.3 @@ -0,0 +1,98 @@
1.4 +/*
1.5 + * Copyright (c) 2002, 2014, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + *
1.26 + */
1.27 +
1.28 +#ifndef SHARE_VM_COMPILER_COMPILELOG_HPP
1.29 +#define SHARE_VM_COMPILER_COMPILELOG_HPP
1.30 +
1.31 +#include "utilities/xmlstream.hpp"
1.32 +
1.33 +class ciBaseObject;
1.34 +class ciObject;
1.35 +class ciMetadata;
1.36 +class ciSymbol;
1.37 +
1.38 +// CompileLog
1.39 +//
1.40 +// An open stream for logging information about activities in a
1.41 +// compiler thread. There is exactly one per CompilerThread,
1.42 +// if the +LogCompilation switch is enabled.
1.43 +class CompileLog : public xmlStream {
1.44 + private:
1.45 + const char* _file; // name of file where XML goes
1.46 + julong _file_end; // last good end of file
1.47 + intx _thread_id; // which compile thread
1.48 +
1.49 + stringStream _context; // optional, killable context marker
1.50 + char _context_buffer[100];
1.51 +
1.52 + char* _identities; // array of boolean
1.53 + int _identities_limit;
1.54 + int _identities_capacity;
1.55 +
1.56 + CompileLog* _next; // static chain of all logs
1.57 +
1.58 + static CompileLog* _first; // head of static chain
1.59 +
1.60 + void va_tag(bool push, const char* format, va_list ap) ATTRIBUTE_PRINTF(3, 0);
1.61 +
1.62 + public:
1.63 + CompileLog(const char* file_name, FILE* fp, intx thread_id);
1.64 + ~CompileLog();
1.65 +
1.66 + intx thread_id() { return _thread_id; }
1.67 + const char* file() { return _file; }
1.68 +
1.69 + // Optional context marker, to help place actions that occur during
1.70 + // parsing. If there is no log output until the next context string
1.71 + // or reset, context string will be silently ignored
1.72 + stringStream* context() { return &_context; }
1.73 + void clear_context() { context()->reset(); }
1.74 + void set_context(const char* format, ...) ATTRIBUTE_PRINTF(2, 3);
1.75 +
1.76 + void name(ciSymbol* s); // name='s'
1.77 + void name(Symbol* s) { xmlStream::name(s); }
1.78 +
1.79 + // Output an object description, return obj->ident().
1.80 + int identify(ciBaseObject* obj);
1.81 + void clear_identities();
1.82 +
1.83 + void inline_fail (const char* reason);
1.84 + void inline_success(const char* reason);
1.85 +
1.86 + // virtuals
1.87 + virtual void see_tag(const char* tag, bool push);
1.88 + virtual void pop_tag(const char* tag);
1.89 +
1.90 + // make a provisional end of log mark
1.91 + void mark_file_end() { _file_end = out()->count(); }
1.92 +
1.93 + // Print code cache statistics
1.94 + void code_cache_state();
1.95 +
1.96 + // copy all logs to the given stream
1.97 + static void finish_log(outputStream* out);
1.98 + static void finish_log_on_error(outputStream* out, char *buf, int buflen);
1.99 +};
1.100 +
1.101 +#endif // SHARE_VM_COMPILER_COMPILELOG_HPP
