Mercurial > hg > CbC > CbC_gcc
annotate gcc/dbgcnt.c @ 67:f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
author | nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> |
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date | Tue, 22 Mar 2011 17:18:12 +0900 |
parents | b7f97abdc517 |
children | 04ced10e8804 |
rev | line source |
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0 | 1 /* Debug counter for debugging support |
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2 Copyright (C) 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. |
0 | 3 |
4 This file is part of GCC. | |
5 | |
6 GCC is free software; you can redistribute it and/or modify it under | |
7 the terms of the GNU General Public License as published by the Free | |
8 Software Foundation; either version 3, or (at your option) any later | |
9 version. | |
10 | |
11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
14 for more details. | |
15 | |
16 You should have received a copy of the GNU General Public License | |
17 along with GCC; see the file COPYING3. If not see | |
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18 <http://www.gnu.org/licenses/>. |
0 | 19 |
20 See dbgcnt.def for usage information. */ | |
21 | |
22 #include "config.h" | |
23 #include "system.h" | |
24 #include "coretypes.h" | |
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
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25 #include "diagnostic-core.h" |
0 | 26 #include "tm.h" |
27 #include "rtl.h" | |
28 #include "output.h" | |
29 | |
30 #include "dbgcnt.h" | |
31 | |
32 struct string2counter_map { | |
33 const char *name; | |
34 enum debug_counter counter; | |
35 }; | |
36 | |
37 #define DEBUG_COUNTER(a) { #a , a }, | |
38 | |
39 static struct string2counter_map map[debug_counter_number_of_counters] = | |
40 { | |
41 #include "dbgcnt.def" | |
42 }; | |
43 #undef DEBUG_COUNTER | |
44 | |
45 #define DEBUG_COUNTER(a) UINT_MAX, | |
46 static unsigned int limit[debug_counter_number_of_counters] = | |
47 { | |
48 #include "dbgcnt.def" | |
49 }; | |
50 #undef DEBUG_COUNTER | |
51 | |
52 static unsigned int count[debug_counter_number_of_counters]; | |
53 | |
54 bool | |
55 dbg_cnt_is_enabled (enum debug_counter index) | |
56 { | |
57 return count[index] <= limit[index]; | |
58 } | |
59 | |
60 bool | |
61 dbg_cnt (enum debug_counter index) | |
62 { | |
63 count[index]++; | |
64 if (dump_file && count[index] == limit[index]) | |
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65 fprintf (dump_file, "***dbgcnt: limit reached for %s.***\n", |
0 | 66 map[index].name); |
67 | |
68 return dbg_cnt_is_enabled (index); | |
69 } | |
70 | |
71 | |
72 static void | |
73 dbg_cnt_set_limit_by_index (enum debug_counter index, int value) | |
74 { | |
75 limit[index] = value; | |
76 | |
77 fprintf (stderr, "dbg_cnt '%s' set to %d\n", map[index].name, value); | |
78 } | |
79 | |
80 static bool | |
81 dbg_cnt_set_limit_by_name (const char *name, int len, int value) | |
82 { | |
83 int i; | |
84 for (i = debug_counter_number_of_counters - 1; i >= 0; i--) | |
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85 if (strncmp (map[i].name, name, len) == 0 |
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86 && map[i].name[len] == '\0') |
0 | 87 break; |
88 | |
89 if (i < 0) | |
90 return false; | |
91 | |
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92 dbg_cnt_set_limit_by_index ((enum debug_counter) i, value); |
0 | 93 return true; |
94 } | |
95 | |
96 | |
97 /* Process a single "name:value" pair. | |
98 Returns NULL if there's no valid pair is found. | |
99 Otherwise returns a pointer to the end of the pair. */ | |
100 | |
101 static const char * | |
102 dbg_cnt_process_single_pair (const char *arg) | |
103 { | |
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104 const char *colon = strchr (arg, ':'); |
0 | 105 char *endptr = NULL; |
106 int value; | |
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107 |
0 | 108 if (colon == NULL) |
109 return NULL; | |
110 | |
111 value = strtol (colon + 1, &endptr, 10); | |
112 | |
113 if (endptr != NULL && endptr != colon + 1 | |
114 && dbg_cnt_set_limit_by_name (arg, colon - arg, value)) | |
115 return endptr; | |
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116 |
0 | 117 return NULL; |
118 } | |
119 | |
120 void | |
121 dbg_cnt_process_opt (const char *arg) | |
122 { | |
123 const char *start = arg; | |
124 const char *next; | |
125 do { | |
126 next = dbg_cnt_process_single_pair (arg); | |
127 if (next == NULL) | |
128 break; | |
129 } while (*next == ',' && (arg = next + 1)); | |
130 | |
131 if (next == NULL || *next != 0) | |
132 { | |
133 char *buffer = XALLOCAVEC (char, arg - start + 2); | |
134 sprintf (buffer, "%*c", (int)(1 + (arg - start)), '^'); | |
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parents:
63
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changeset
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135 error ("cannot find a valid counter:value pair:"); |
0 | 136 error ("-fdbg-cnt=%s", start); |
137 error (" %s", buffer); | |
138 } | |
139 } | |
140 | |
141 /* Print name, limit and count of all counters. */ | |
142 | |
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143 void |
0 | 144 dbg_cnt_list_all_counters (void) |
145 { | |
146 int i; | |
147 printf (" %-30s %-5s %-5s\n", "counter name", "limit", "value"); | |
148 printf ("----------------------------------------------\n"); | |
149 for (i = 0; i < debug_counter_number_of_counters; i++) | |
150 printf (" %-30s %5d %5u\n", | |
151 map[i].name, limit[map[i].counter], count[map[i].counter]); | |
152 printf ("\n"); | |
153 } |