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comparison src/share/vm/utilities/debug.hpp @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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-1:000000000000 0:a61af66fc99e
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 */
24
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
47
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)
66
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 }
74
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
83
84
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; }
91
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; }
98
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 "\")"); }
103
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; }
108
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, ...);
120
121 // out of memory reporting
122 void report_java_out_of_memory(const char* message);
123
124 // Support for self-destruct
125 bool is_error_reported();
126 void set_error_reported();
127
128 void pd_ps(frame f);
129 void pd_obfuscate_location(char *buf, size_t buflen);