3 Copyright 2000, 2001 Free Software Foundation, Inc.
5 This file is part of GNU Binutils.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
22 #include "libiberty.h"
23 #include "safe-ctype.h"
30 char *spec; /* Parsing modifies this. */
36 int prev_index; /* Index of prev match. */
37 Sym *prev_match; /* Previous match. */
38 Sym *first_match; /* Chain of all matches. */
45 Sym_Table syms[NUM_TABLES];
48 const char *table_name[] =
50 "INCL_GRAPH", "EXCL_GRAPH",
51 "INCL_ARCS", "EXCL_ARCS",
52 "INCL_FLAT", "EXCL_FLAT",
53 "INCL_TIME", "EXCL_TIME",
54 "INCL_ANNO", "EXCL_ANNO",
55 "INCL_EXEC", "EXCL_EXEC"
59 /* This is the table in which we keep all the syms that match
60 the right half of an arc id. It is NOT sorted according
61 to the addresses, because it is accessed only through
62 the left half's CHILDREN pointers (so it's crucial not
63 to reorder this table once pointers into it exist). */
64 static Sym_Table right_ids;
66 static Source_File non_existent_file =
68 0, "<non-existent-file>", 0, 0, 0, NULL
73 DEFUN (sym_id_add, (spec, which_table),
74 const char *spec AND Table_Id which_table)
77 int len = strlen (spec);
79 id = (struct sym_id *) xmalloc (sizeof (*id) + len + 1);
80 memset (id, 0, sizeof (*id));
82 id->spec = (char *) id + sizeof (*id);
83 strcpy (id->spec, spec);
84 id->which_table = which_table;
91 /* A spec has the syntax FILENAME:(FUNCNAME|LINENUM). As a convenience
92 to the user, a spec without a colon is interpreted as:
94 (i) a FILENAME if it contains a dot
95 (ii) a FUNCNAME if it starts with a non-digit character
96 (iii) a LINENUM if it starts with a digit
98 A FUNCNAME containing a dot can be specified by :FUNCNAME, a
99 FILENAME not containing a dot can be specified by FILENAME. */
102 DEFUN (parse_spec, (spec, sym), char *spec AND Sym * sym)
107 colon = strrchr (spec, ':');
115 sym->file = source_file_lookup_name (spec);
118 sym->file = &non_existent_file;
125 if (ISDIGIT (spec[0]))
126 sym->line_num = atoi (spec);
131 else if (strlen (spec))
133 /* No colon: spec is a filename if it contains a dot. */
134 if (strchr (spec, '.'))
136 sym->file = source_file_lookup_name (spec);
139 sym->file = &non_existent_file;
141 else if (ISDIGIT (*spec))
143 sym->line_num = atoi (spec);
145 else if (strlen (spec))
153 /* A symbol id has the syntax SPEC[/SPEC], where SPEC is is defined
157 DEFUN (parse_id, (id), struct sym_id *id)
161 DBG (IDDEBUG, printf ("[parse_id] %s -> ", id->spec));
163 slash = strchr (id->spec, '/');
166 parse_spec (slash + 1, &id->right.sym);
168 id->has_right = TRUE;
170 parse_spec (id->spec, &id->left.sym);
173 if (debug_level & IDDEBUG)
175 printf ("%s:", id->left.sym.file ? id->left.sym.file->name : "*");
177 if (id->left.sym.name)
178 printf ("%s", id->left.sym.name);
179 else if (id->left.sym.line_num)
180 printf ("%d", id->left.sym.line_num);
187 id->right.sym.file ? id->right.sym.file->name : "*");
189 if (id->right.sym.name)
190 printf ("%s", id->right.sym.name);
191 else if (id->right.sym.line_num)
192 printf ("%d", id->right.sym.line_num);
203 /* Return TRUE iff PATTERN matches SYM. */
206 DEFUN (match, (pattern, sym), Sym * pattern AND Sym * sym)
208 return (pattern->file ? pattern->file == sym->file : TRUE)
209 && (pattern->line_num ? pattern->line_num == sym->line_num : TRUE)
211 ? strcmp (pattern->name,
212 sym->name+(discard_underscores && sym->name[0] == '_')) == 0
218 DEFUN (extend_match, (m, sym, tab, second_pass),
219 struct match *m AND Sym * sym AND Sym_Table * tab AND bool second_pass)
221 if (m->prev_match != sym - 1)
223 /* Discontinuity: add new match to table. */
226 tab->base[tab->len] = *sym;
227 m->prev_index = tab->len;
229 /* Link match into match's chain. */
230 tab->base[tab->len].next = m->first_match;
231 m->first_match = &tab->base[tab->len];
237 /* Extend match to include this symbol. */
239 tab->base[m->prev_index].end_addr = sym->end_addr;
245 /* Go through sym_id list produced by option processing and fill
246 in the various symbol tables indicating what symbols should
247 be displayed or suppressed for the various kinds of outputs.
249 This can potentially produce huge tables and in particulars
250 tons of arcs, but this happens only if the user makes silly
251 requests---you get what you ask for! */
254 DEFUN_VOID (sym_id_parse)
256 Sym *sym, *left, *right;
260 /* Convert symbol ids into Syms, so we can deal with them more easily. */
261 for (id = id_list; id; id = id->next)
264 /* First determine size of each table. */
265 for (sym = symtab.base; sym < symtab.limit; ++sym)
267 for (id = id_list; id; id = id->next)
269 if (match (&id->left.sym, sym))
270 extend_match (&id->left, sym, &syms[id->which_table], FALSE);
272 if (id->has_right && match (&id->right.sym, sym))
273 extend_match (&id->right, sym, &right_ids, FALSE);
277 /* Create tables of appropriate size and reset lengths. */
278 for (tab = syms; tab < &syms[NUM_TABLES]; ++tab)
282 tab->base = (Sym *) xmalloc (tab->len * sizeof (Sym));
283 tab->limit = tab->base + tab->len;
290 right_ids.base = (Sym *) xmalloc (right_ids.len * sizeof (Sym));
291 right_ids.limit = right_ids.base + right_ids.len;
295 /* Make a second pass through symtab, creating syms as necessary. */
296 for (sym = symtab.base; sym < symtab.limit; ++sym)
298 for (id = id_list; id; id = id->next)
300 if (match (&id->left.sym, sym))
301 extend_match (&id->left, sym, &syms[id->which_table], TRUE);
303 if (id->has_right && match (&id->right.sym, sym))
304 extend_match (&id->right, sym, &right_ids, TRUE);
308 /* Go through ids creating arcs as needed. */
309 for (id = id_list; id; id = id->next)
313 for (left = id->left.first_match; left; left = left->next)
315 for (right = id->right.first_match; right; right = right->next)
319 "[sym_id_parse]: arc %s:%s(%lx-%lx) -> %s:%s(%lx-%lx) to %s\n",
320 left->file ? left->file->name : "*",
321 left->name ? left->name : "*",
322 (unsigned long) left->addr,
323 (unsigned long) left->end_addr,
324 right->file ? right->file->name : "*",
325 right->name ? right->name : "*",
326 (unsigned long) right->addr,
327 (unsigned long) right->end_addr,
328 table_name[id->which_table]));
330 arc_add (left, right, (unsigned long) 0);
336 /* Finally, we can sort the tables and we're done. */
337 for (tab = &syms[0]; tab < &syms[NUM_TABLES]; ++tab)
339 DBG (IDDEBUG, printf ("[sym_id_parse] syms[%s]:\n",
340 table_name[tab - &syms[0]]));
341 symtab_finalize (tab);
346 /* Symbol tables storing the FROM symbols of arcs do not necessarily
347 have distinct address ranges. For example, somebody might request
348 -k /_mcount to suppress any arcs into _mcount, while at the same
349 time requesting -k a/b. Fortunately, those symbol tables don't get
350 very big (the user has to type them!), so a linear search is probably
353 DEFUN (sym_id_arc_is_present, (symtab, from, to),
354 Sym_Table * symtab AND Sym * from AND Sym * to)
358 for (sym = symtab->base; sym < symtab->limit; ++sym)
360 if (from->addr >= sym->addr && from->addr <= sym->end_addr
361 && arc_lookup (sym, to))