src/share/vm/utilities/debug.hpp

Wed, 24 Feb 2010 07:00:33 -0800

author
jmasa
date
Wed, 24 Feb 2010 07:00:33 -0800
changeset 1719
5f1f51edaff6
parent 435
a61af66fc99e
child 1845
f03d0a26bf83
permissions
-rw-r--r--

6928081: G1: rename parameters common with CMS
Summary: Rename marking stack sizing flags to be common between G1 and CMS
Reviewed-by: ysr, tonyp

     1 /*
     2  * Copyright 1997-2007 Sun Microsystems, Inc.  All Rights Reserved.
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     4  *
     5  * This code is free software; you can redistribute it and/or modify it
     6  * under the terms of the GNU General Public License version 2 only, as
     7  * published by the Free Software Foundation.
     8  *
     9  * This code is distributed in the hope that it will be useful, but WITHOUT
    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    12  * version 2 for more details (a copy is included in the LICENSE file that
    13  * accompanied this code).
    14  *
    15  * You should have received a copy of the GNU General Public License version
    16  * 2 along with this work; if not, write to the Free Software Foundation,
    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    18  *
    19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    20  * CA 95054 USA or visit www.sun.com if you need additional information or
    21  * have any questions.
    22  *
    23  */
    25 // assertions
    26 #ifdef ASSERT
    27 // Turn this off by default:
    28 //#define USE_REPEATED_ASSERTS
    29 #ifdef USE_REPEATED_ASSERTS
    30   #define assert(p,msg)                                              \
    31     { for (int __i = 0; __i < AssertRepeat; __i++) {                 \
    32         if (!(p)) {                                                  \
    33           report_assertion_failure(__FILE__, __LINE__,               \
    34                                   "assert(" XSTR(p) ",\"" msg "\")");\
    35           BREAKPOINT;                                                \
    36         }                                                            \
    37       }                                                              \
    38     }
    39 #else
    40   #define assert(p,msg)                                          \
    41     if (!(p)) {                                                  \
    42       report_assertion_failure(__FILE__, __LINE__,               \
    43                               "assert(" XSTR(p) ",\"" msg "\")");\
    44       BREAKPOINT;                                                \
    45     }
    46 #endif
    48 // This version of assert is for use with checking return status from
    49 // library calls that return actual error values eg. EINVAL,
    50 // ENOMEM etc, rather than returning -1 and setting errno.
    51 // When the status is not what is expected it is very useful to know
    52 // what status was actually returned, so we pass the status variable as
    53 // an extra arg and use strerror to convert it to a meaningful string
    54 // like "Invalid argument", "out of memory" etc
    55 #define assert_status(p, status, msg)                                     \
    56    do {                                                                   \
    57     if (!(p)) {                                                           \
    58       char buf[128];                                                      \
    59       snprintf(buf, 127,                                                  \
    60                "assert_status(" XSTR(p) ", error: %s(%d), \"" msg "\")" , \
    61                strerror((status)), (status));                             \
    62       report_assertion_failure(__FILE__, __LINE__, buf);                  \
    63       BREAKPOINT;                                                         \
    64     }                                                                     \
    65   } while (0)
    67 // Another version of assert where the message is not a string literal
    68 // The boolean condition is not printed out because cpp doesn't like it.
    69 #define assert_msg(p, msg)                                       \
    70     if (!(p)) {                                                  \
    71       report_assertion_failure(__FILE__, __LINE__, msg);         \
    72       BREAKPOINT;                                                \
    73     }
    75 // Do not assert this condition if there's already another error reported.
    76 #define assert_if_no_error(cond,msg) assert((cond) || is_error_reported(), msg)
    77 #else
    78   #define assert(p,msg)
    79   #define assert_status(p,status,msg)
    80   #define assert_if_no_error(cond,msg)
    81   #define assert_msg(cond,msg)
    82 #endif
    85 // fatals
    86 #define fatal(m)                             { report_fatal(__FILE__, __LINE__, m                          ); BREAKPOINT; }
    87 #define fatal1(m,x1)                         { report_fatal_vararg(__FILE__, __LINE__, m, x1               ); BREAKPOINT; }
    88 #define fatal2(m,x1,x2)                      { report_fatal_vararg(__FILE__, __LINE__, m, x1, x2           ); BREAKPOINT; }
    89 #define fatal3(m,x1,x2,x3)                   { report_fatal_vararg(__FILE__, __LINE__, m, x1, x2, x3       ); BREAKPOINT; }
    90 #define fatal4(m,x1,x2,x3,x4)                { report_fatal_vararg(__FILE__, __LINE__, m, x1, x2, x3, x4   ); BREAKPOINT; }
    92 // out of memory
    93 #define vm_exit_out_of_memory(s,m)              { report_vm_out_of_memory(__FILE__, __LINE__, s, m                       ); BREAKPOINT; }
    94 #define vm_exit_out_of_memory1(s,m,x1)          { report_vm_out_of_memory_vararg(__FILE__, __LINE__, s, m, x1            ); BREAKPOINT; }
    95 #define vm_exit_out_of_memory2(s,m,x1,x2)       { report_vm_out_of_memory_vararg(__FILE__, __LINE__, s, m, x1, x2        ); BREAKPOINT; }
    96 #define vm_exit_out_of_memory3(s,m,x1,x2,x3)    { report_vm_out_of_memory_vararg(__FILE__, __LINE__, s, m, x1, x2, x3    ); BREAKPOINT; }
    97 #define vm_exit_out_of_memory4(s,m,x1,x2,x3,x4) { report_vm_out_of_memory_vararg(__FILE__, __LINE__, s, m, x1, x2, x3, x4); BREAKPOINT; }
    99 // guarantee is like assert except it's always executed -- use it for
   100 // cheap tests that catch errors that would otherwise be hard to find
   101 // guarantee is also used for Verify options.
   102 #define guarantee(b,msg)         { if (!(b)) fatal("guarantee(" XSTR(b) ",\"" msg "\")"); }
   104 #define ShouldNotCallThis()      { report_should_not_call        (__FILE__, __LINE__); BREAKPOINT; }
   105 #define ShouldNotReachHere()     { report_should_not_reach_here  (__FILE__, __LINE__); BREAKPOINT; }
   106 #define Unimplemented()          { report_unimplemented          (__FILE__, __LINE__); BREAKPOINT; }
   107 #define Untested(msg)            { report_untested               (__FILE__, __LINE__, msg); BREAKPOINT; }
   109 // error reporting helper functions
   110 void report_assertion_failure(const char* file_name, int line_no, const char* message);
   111 void report_fatal_vararg(const char* file_name, int line_no, const char* format, ...);
   112 void report_fatal(const char* file_name, int line_no, const char* message);
   113 void report_vm_out_of_memory_vararg(const char* file_name, int line_no, size_t size, const char* format, ...);
   114 void report_vm_out_of_memory(const char* file_name, int line_no, size_t size, const char* message);
   115 void report_should_not_call(const char* file_name, int line_no);
   116 void report_should_not_reach_here(const char* file_name, int line_no);
   117 void report_unimplemented(const char* file_name, int line_no);
   118 void report_untested(const char* file_name, int line_no, const char* msg);
   119 void warning(const char* format, ...);
   121 // out of memory reporting
   122 void report_java_out_of_memory(const char* message);
   124 // Support for self-destruct
   125 bool is_error_reported();
   126 void set_error_reported();
   128 void pd_ps(frame f);
   129 void pd_obfuscate_location(char *buf, size_t buflen);

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