jdk8-mips64-public/hotspot: src/share/vm/utilities/debug.hpp@4b2838704fd5 (annotated)

src/share/vm/utilities/debug.hpp@4b2838704fd5 (annotated)

src/share/vm/utilities/debug.hpp

Fri, 16 Aug 2013 14:11:40 -0700

author: kvn
date: Fri, 16 Aug 2013 14:11:40 -0700
changeset 5543: 4b2838704fd5
parent 5365: 59b052799158
child 5515: 9766f73e770d
child 6461: bdd155477289
permissions: -rw-r--r--

8021898: Broken JIT compiler optimization for loop unswitching
Summary: fix method clone_projs() to clone all related MachProj nodes.
Reviewed-by: roland, adlertz

 /*
  * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  *
  */
 #ifndef SHARE_VM_UTILITIES_DEBUG_HPP
 #define SHARE_VM_UTILITIES_DEBUG_HPP
 #include "prims/jvm.h"
 #include "utilities/globalDefinitions.hpp"
 #include <stdarg.h>
 // Simple class to format the ctor arguments into a fixed-sized buffer.
 class FormatBufferBase {
  protected:
   char* _buf;
   inline FormatBufferBase(char* buf) : _buf(buf) {}
  public:
   operator const char *() const { return _buf; }
 };
 // Use resource area for buffer
 #define RES_BUFSZ 256
 class FormatBufferResource : public FormatBufferBase {
  public:
   FormatBufferResource(const char * format, ...);
 };
 // Use stack for buffer
 template <size_t bufsz = 256>
 class FormatBuffer : public FormatBufferBase {
  public:
   inline FormatBuffer(const char * format, ...);
   inline void append(const char* format, ...);
   inline void print(const char* format, ...);
   inline void printv(const char* format, va_list ap);
   char* buffer() { return _buf; }
   int size() { return bufsz; }
  private:
   FormatBuffer(const FormatBuffer &); // prevent copies
   char _buffer[bufsz];
  protected:
   inline FormatBuffer();
 };
 template <size_t bufsz>
 FormatBuffer<bufsz>::FormatBuffer(const char * format, ...) : FormatBufferBase(_buffer) {
   va_list argp;
   va_start(argp, format);
   jio_vsnprintf(_buf, bufsz, format, argp);
   va_end(argp);
 }
 template <size_t bufsz>
 FormatBuffer<bufsz>::FormatBuffer() : FormatBufferBase(_buffer) {
   _buf[0] = '\0';
 }
 template <size_t bufsz>
 void FormatBuffer<bufsz>::print(const char * format, ...) {
   va_list argp;
   va_start(argp, format);
   jio_vsnprintf(_buf, bufsz, format, argp);
   va_end(argp);
 }
 template <size_t bufsz>
 void FormatBuffer<bufsz>::printv(const char * format, va_list argp) {
   jio_vsnprintf(_buf, bufsz, format, argp);
 }
 template <size_t bufsz>
 void FormatBuffer<bufsz>::append(const char* format, ...) {
   // Given that the constructor does a vsnprintf we can assume that
   // _buf is already initialized.
   size_t len = strlen(_buf);
   char* buf_end = _buf + len;
   va_list argp;
   va_start(argp, format);
   jio_vsnprintf(buf_end, bufsz - len, format, argp);
   va_end(argp);
 }
 // Used to format messages for assert(), guarantee(), fatal(), etc.
 typedef FormatBuffer<> err_msg;
 typedef FormatBufferResource err_msg_res;
 // assertions
 #ifdef ASSERT
 #ifndef USE_REPEATED_ASSERTS
 #define assert(p, msg)                                                       \
 do {                                                                         \
   if (!(p)) {                                                                \
     report_vm_error(__FILE__, __LINE__, "assert(" #p ") failed", msg);       \
     BREAKPOINT;                                                              \
   }                                                                          \
 } while (0)
 #else // #ifndef USE_REPEATED_ASSERTS
 #define assert(p, msg)
 do {                                                                         \
   for (int __i = 0; __i < AssertRepeat; __i++) {                             \
     if (!(p)) {                                                              \
       report_vm_error(__FILE__, __LINE__, "assert(" #p ") failed", msg);     \
       BREAKPOINT;                                                            \
     }                                                                        \
   }                                                                          \
 } while (0)
 #endif // #ifndef USE_REPEATED_ASSERTS
 // This version of assert is for use with checking return status from
 // library calls that return actual error values eg. EINVAL,
 // ENOMEM etc, rather than returning -1 and setting errno.
 // When the status is not what is expected it is very useful to know
 // what status was actually returned, so we pass the status variable as
 // an extra arg and use strerror to convert it to a meaningful string
 // like "Invalid argument", "out of memory" etc
 #define assert_status(p, status, msg)                                        \
 do {                                                                         \
   if (!(p)) {                                                                \
     report_vm_error(__FILE__, __LINE__, "assert(" #p ") failed",             \
                     err_msg("error %s(%d) %s", strerror(status),             \
                             status, msg));                                   \
     BREAKPOINT;                                                              \
   }                                                                          \
 } while (0)
 // Do not assert this condition if there's already another error reported.
 #define assert_if_no_error(cond,msg) assert((cond) || is_error_reported(), msg)
 #else // #ifdef ASSERT
   #define assert(p,msg)
   #define assert_status(p,status,msg)
   #define assert_if_no_error(cond,msg)
 #endif // #ifdef ASSERT
 // guarantee is like assert except it's always executed -- use it for
 // cheap tests that catch errors that would otherwise be hard to find.
 // guarantee is also used for Verify options.
 #define guarantee(p, msg)                                                    \
 do {                                                                         \
   if (!(p)) {                                                                \
     report_vm_error(__FILE__, __LINE__, "guarantee(" #p ") failed", msg);    \
     BREAKPOINT;                                                              \
   }                                                                          \
 } while (0)
 #define fatal(msg)                                                           \
 do {                                                                         \
   report_fatal(__FILE__, __LINE__, msg);                                     \
   BREAKPOINT;                                                                \
 } while (0)
 // out of memory
 #define vm_exit_out_of_memory(size, vm_err_type, msg)                        \
 do {                                                                         \
   report_vm_out_of_memory(__FILE__, __LINE__, size, vm_err_type, msg);       \
   BREAKPOINT;                                                                \
 } while (0)
 #define ShouldNotCallThis()                                                  \
 do {                                                                         \
   report_should_not_call(__FILE__, __LINE__);                                \
   BREAKPOINT;                                                                \
 } while (0)
 #define ShouldNotReachHere()                                                 \
 do {                                                                         \
   report_should_not_reach_here(__FILE__, __LINE__);                          \
   BREAKPOINT;                                                                \
 } while (0)
 #define Unimplemented()                                                      \
 do {                                                                         \
   report_unimplemented(__FILE__, __LINE__);                                  \
   BREAKPOINT;                                                                \
 } while (0)
 #define Untested(msg)                                                        \
 do {                                                                         \
   report_untested(__FILE__, __LINE__, msg);                                  \
   BREAKPOINT;                                                                \
 } while (0);
 // types of VM error - originally in vmError.hpp
 enum VMErrorType {
   INTERNAL_ERROR   = 0xe0000000,
   OOM_MALLOC_ERROR = 0xe0000001,
   OOM_MMAP_ERROR   = 0xe0000002
 };
 // error reporting helper functions
 void report_vm_error(const char* file, int line, const char* error_msg,
                      const char* detail_msg = NULL);
 void report_fatal(const char* file, int line, const char* message);
 void report_vm_out_of_memory(const char* file, int line, size_t size,
                              VMErrorType vm_err_type, const char* message);
 void report_should_not_call(const char* file, int line);
 void report_should_not_reach_here(const char* file, int line);
 void report_unimplemented(const char* file, int line);
 void report_untested(const char* file, int line, const char* message);
 void warning(const char* format, ...);
 // out of shared space reporting
 enum SharedSpaceType {
   SharedPermGen,
   SharedReadOnly,
   SharedReadWrite,
   SharedMiscData
 };
 void report_out_of_shared_space(SharedSpaceType space_type);
 // out of memory reporting
 void report_java_out_of_memory(const char* message);
 // Support for self-destruct
 bool is_error_reported();
 void set_error_reported();
 /* Test assert(), fatal(), guarantee(), etc. */
 NOT_PRODUCT(void test_error_handler();)
 void pd_ps(frame f);
 void pd_obfuscate_location(char *buf, size_t buflen);
 #endif // SHARE_VM_UTILITIES_DEBUG_HPP

Mercurial > jdk8-mips64-public > hotspot / annotate

src/share/vm/utilities/debug.hpp@4b2838704fd5 (annotated)

src/share/vm/utilities/debug.hpp