Mercurial > hg > CbC > CbC_gcc
annotate gcc/dbgcnt.c @ 55:77e2b8dfacca gcc-4.4.5
update it from 4.4.3 to 4.5.0
| author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Fri, 12 Feb 2010 23:39:51 +0900 |
| parents | a06113de4d67 |
| children | b7f97abdc517 |
| rev | line source |
|---|---|
| 0 | 1 /* Debug counter for debugging support |
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55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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diff
changeset
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2 Copyright (C) 2006, 2007, 2008, 2009 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 | |
|
55
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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diff
changeset
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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" | |
| 25 #include "errors.h" | |
| 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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55
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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diff
changeset
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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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55
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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diff
changeset
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85 if (strncmp (map[i].name, name, len) == 0 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
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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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55
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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diff
changeset
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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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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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104 const char *colon = strchr (arg, ':'); |
| 0 | 105 char *endptr = NULL; |
| 106 int value; | |
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55
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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diff
changeset
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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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55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
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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)), '^'); | |
| 135 error ("Can not find a valid counter:value pair:"); | |
| 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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55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
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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 } |