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447924ef | 1 | /* Data and functions related to line maps and input files. |
92582b75 | 2 | Copyright (C) 2004, 2007, 2008, 2009, 2010, 2011 |
447924ef JM |
3 | Free Software Foundation, Inc. |
4 | ||
5 | This file is part of GCC. | |
6 | ||
7 | GCC is free software; you can redistribute it and/or modify it under | |
8 | the terms of the GNU General Public License as published by the Free | |
9 | Software Foundation; either version 3, or (at your option) any later | |
10 | version. | |
11 | ||
12 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
13 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 | for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GCC; see the file COPYING3. If not see | |
19 | <http://www.gnu.org/licenses/>. */ | |
20 | ||
21 | #include "config.h" | |
22 | #include "system.h" | |
23 | #include "coretypes.h" | |
24 | #include "intl.h" | |
25 | #include "input.h" | |
26 | ||
27 | /* Current position in real source file. */ | |
28 | ||
29 | location_t input_location; | |
30 | ||
31 | struct line_maps *line_table; | |
32 | ||
33 | expanded_location | |
34 | expand_location (source_location loc) | |
35 | { | |
36 | expanded_location xloc; | |
37 | if (loc <= BUILTINS_LOCATION) | |
38 | { | |
39 | xloc.file = loc == UNKNOWN_LOCATION ? NULL : _("<built-in>"); | |
40 | xloc.line = 0; | |
41 | xloc.column = 0; | |
42 | xloc.sysp = 0; | |
43 | } | |
44 | else | |
46427374 TT |
45 | xloc = linemap_expand_location_full (line_table, loc, |
46 | LRK_SPELLING_LOCATION); | |
447924ef JM |
47 | return xloc; |
48 | } | |
64a1a422 TT |
49 | |
50 | #define ONE_K 1024 | |
51 | #define ONE_M (ONE_K * ONE_K) | |
52 | ||
53 | /* Display a number as an integer multiple of either: | |
54 | - 1024, if said integer is >= to 10 K (in base 2) | |
55 | - 1024 * 1024, if said integer is >= 10 M in (base 2) | |
56 | */ | |
57 | #define SCALE(x) ((unsigned long) ((x) < 10 * ONE_K \ | |
58 | ? (x) \ | |
59 | : ((x) < 10 * ONE_M \ | |
60 | ? (x) / ONE_K \ | |
61 | : (x) / ONE_M))) | |
62 | ||
63 | /* For a given integer, display either: | |
64 | - the character 'k', if the number is higher than 10 K (in base 2) | |
65 | but strictly lower than 10 M (in base 2) | |
66 | - the character 'M' if the number is higher than 10 M (in base2) | |
67 | - the charcter ' ' if the number is strictly lower than 10 K */ | |
68 | #define STAT_LABEL(x) ((x) < 10 * ONE_K ? ' ' : ((x) < 10 * ONE_M ? 'k' : 'M')) | |
69 | ||
70 | /* Display an integer amount as multiple of 1K or 1M (in base 2). | |
71 | Display the correct unit (either k, M, or ' ') after the amout, as | |
72 | well. */ | |
73 | #define FORMAT_AMOUNT(size) SCALE (size), STAT_LABEL (size) | |
74 | ||
75 | /* Dump statistics to stderr about the memory usage of the line_table | |
76 | set of line maps. This also displays some statistics about macro | |
77 | expansion. */ | |
78 | ||
79 | void | |
80 | dump_line_table_statistics (void) | |
81 | { | |
82 | struct linemap_stats s; | |
83 | size_t total_used_map_size, | |
84 | macro_maps_size, | |
85 | total_allocated_map_size; | |
86 | ||
87 | memset (&s, 0, sizeof (s)); | |
88 | ||
89 | linemap_get_statistics (line_table, &s); | |
90 | ||
91 | macro_maps_size = s.macro_maps_used_size | |
92 | + s.macro_maps_locations_size; | |
93 | ||
94 | total_allocated_map_size = s.ordinary_maps_allocated_size | |
95 | + s.macro_maps_allocated_size | |
96 | + s.macro_maps_locations_size; | |
97 | ||
98 | total_used_map_size = s.ordinary_maps_used_size | |
99 | + s.macro_maps_used_size | |
100 | + s.macro_maps_locations_size; | |
101 | ||
102 | fprintf (stderr, "Number of expanded macros: %5lu\n", | |
103 | s.num_expanded_macros); | |
104 | if (s.num_expanded_macros != 0) | |
105 | fprintf (stderr, "Average number of tokens per macro expansion: %5lu\n", | |
106 | s.num_macro_tokens / s.num_expanded_macros); | |
107 | fprintf (stderr, | |
108 | "\nLine Table allocations during the " | |
109 | "compilation process\n"); | |
110 | fprintf (stderr, "Number of ordinary maps used: %5lu%c\n", | |
111 | SCALE (s.num_ordinary_maps_used), | |
112 | STAT_LABEL (s.num_ordinary_maps_used)); | |
113 | fprintf (stderr, "Ordinary map used size: %5lu%c\n", | |
114 | SCALE (s.ordinary_maps_used_size), | |
115 | STAT_LABEL (s.ordinary_maps_used_size)); | |
116 | fprintf (stderr, "Number of ordinary maps allocated: %5lu%c\n", | |
117 | SCALE (s.num_ordinary_maps_allocated), | |
118 | STAT_LABEL (s.num_ordinary_maps_allocated)); | |
119 | fprintf (stderr, "Ordinary maps allocated size: %5lu%c\n", | |
120 | SCALE (s.ordinary_maps_allocated_size), | |
121 | STAT_LABEL (s.ordinary_maps_allocated_size)); | |
122 | fprintf (stderr, "Number of macro maps used: %5lu%c\n", | |
123 | SCALE (s.num_macro_maps_used), | |
124 | STAT_LABEL (s.num_macro_maps_used)); | |
125 | fprintf (stderr, "Macro maps used size: %5lu%c\n", | |
126 | SCALE (s.macro_maps_used_size), | |
127 | STAT_LABEL (s.macro_maps_used_size)); | |
128 | fprintf (stderr, "Macro maps locations size: %5lu%c\n", | |
129 | SCALE (s.macro_maps_locations_size), | |
130 | STAT_LABEL (s.macro_maps_locations_size)); | |
131 | fprintf (stderr, "Macro maps size: %5lu%c\n", | |
132 | SCALE (macro_maps_size), | |
133 | STAT_LABEL (macro_maps_size)); | |
134 | fprintf (stderr, "Duplicated maps locations size: %5lu%c\n", | |
135 | SCALE (s.duplicated_macro_maps_locations_size), | |
136 | STAT_LABEL (s.duplicated_macro_maps_locations_size)); | |
137 | fprintf (stderr, "Total allocated maps size: %5lu%c\n", | |
138 | SCALE (total_allocated_map_size), | |
139 | STAT_LABEL (total_allocated_map_size)); | |
140 | fprintf (stderr, "Total used maps size: %5lu%c\n", | |
141 | SCALE (total_used_map_size), | |
142 | STAT_LABEL (total_used_map_size)); | |
143 | fprintf (stderr, "\n"); | |
144 | } |