-#include <ctype.h>
+/* sym_ids.c
+ Copyright (C) 1999-2020 Free Software Foundation, Inc.
+
+ This file is part of GNU Binutils.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
+ 02110-1301, USA. */
+\f
+#include "gprof.h"
#include "libiberty.h"
+#include "safe-ctype.h"
+#include "search_list.h"
+#include "source.h"
+#include "symtab.h"
#include "cg_arcs.h"
#include "sym_ids.h"
+#include "corefile.h"
+
+struct match
+ {
+ int prev_index; /* Index of prev match. */
+ Sym *prev_match; /* Previous match. */
+ Sym *first_match; /* Chain of all matches. */
+ Sym sym;
+ };
struct sym_id
{
struct sym_id *next;
- char *spec; /* parsing modifies this */
+ char *spec; /* Parsing modifies this. */
Table_Id which_table;
- bool has_right;
- struct match
- {
- int prev_index; /* index of prev match */
- Sym *prev_match; /* previous match */
- Sym *first_match; /* chain of all matches */
- Sym sym;
- }
- left, right;
- }
- *id_list;
+ bfd_boolean has_right;
+
+ struct match left, right;
+ };
+
+static struct sym_id *id_list;
+
+static void parse_spec
+ (char *, Sym *);
+static void parse_id
+ (struct sym_id *);
+static bfd_boolean match
+ (Sym *, Sym *);
+static void extend_match
+ (struct match *, Sym *, Sym_Table *, bfd_boolean);
+
Sym_Table syms[NUM_TABLES];
#ifdef DEBUG
-const char *table_name[] =
+static const char *table_name[] =
{
"INCL_GRAPH", "EXCL_GRAPH",
"INCL_ARCS", "EXCL_ARCS",
};
#endif /* DEBUG */
-/*
- * This is the table in which we keep all the syms that match
- * the right half of an arc id. It is NOT sorted according
- * to the addresses, because it is accessed only through
- * the left half's CHILDREN pointers (so it's crucial not
- * to reorder this table once pointers into it exist).
- */
+/* This is the table in which we keep all the syms that match
+ the right half of an arc id. It is NOT sorted according
+ to the addresses, because it is accessed only through
+ the left half's CHILDREN pointers (so it's crucial not
+ to reorder this table once pointers into it exist). */
static Sym_Table right_ids;
static Source_File non_existent_file =
void
-DEFUN (sym_id_add, (spec, which_table),
- const char *spec AND Table_Id which_table)
+sym_id_add (const char *spec, Table_Id which_table)
{
struct sym_id *id;
int len = strlen (spec);
}
-/*
- * A spec has the syntax FILENAME:(FUNCNAME|LINENUM). As a convenience
- * to the user, a spec without a colon is interpreted as:
- *
- * (i) a FILENAME if it contains a dot
- * (ii) a FUNCNAME if it starts with a non-digit character
- * (iii) a LINENUM if it starts with a digit
- *
- * A FUNCNAME containing a dot can be specified by :FUNCNAME, a
- * FILENAME not containing a dot can be specified by FILENAME:.
- */
+/* A spec has the syntax FILENAME:(FUNCNAME|LINENUM). As a convenience
+ to the user, a spec without a colon is interpreted as:
+
+ (i) a FILENAME if it contains a dot
+ (ii) a FUNCNAME if it starts with a non-digit character
+ (iii) a LINENUM if it starts with a digit
+
+ A FUNCNAME containing a dot can be specified by :FUNCNAME, a
+ FILENAME not containing a dot can be specified by FILENAME. */
+
static void
-DEFUN (parse_spec, (spec, sym), char *spec AND Sym * sym)
+parse_spec (char *spec, Sym *sym)
{
char *colon;
sym_init (sym);
colon = strrchr (spec, ':');
+
if (colon)
{
*colon = '\0';
+
if (colon > spec)
{
sym->file = source_file_lookup_name (spec);
+
if (!sym->file)
- {
- sym->file = &non_existent_file;
- }
+ sym->file = &non_existent_file;
}
+
spec = colon + 1;
+
if (strlen (spec))
{
- if (isdigit ((unsigned char) spec[0]))
- {
- sym->line_num = atoi (spec);
- }
+ if (ISDIGIT (spec[0]))
+ sym->line_num = atoi (spec);
else
- {
- sym->name = spec;
- }
+ sym->name = spec;
}
}
else if (strlen (spec))
{
- /* no colon: spec is a filename if it contains a dot: */
+ /* No colon: spec is a filename if it contains a dot. */
if (strchr (spec, '.'))
{
sym->file = source_file_lookup_name (spec);
+
if (!sym->file)
- {
- sym->file = &non_existent_file;
- }
+ sym->file = &non_existent_file;
}
- else if (isdigit ((unsigned char) *spec))
+ else if (ISDIGIT (*spec))
{
sym->line_num = atoi (spec);
}
}
-/*
- * A symbol id has the syntax SPEC[/SPEC], where SPEC is is defined
- * by parse_spec().
- */
+/* A symbol id has the syntax SPEC[/SPEC], where SPEC is is defined
+ by parse_spec(). */
+
static void
-DEFUN (parse_id, (id), struct sym_id *id)
+parse_id (struct sym_id *id)
{
char *slash;
if (debug_level & IDDEBUG)
{
printf ("%s:", id->left.sym.file ? id->left.sym.file->name : "*");
+
if (id->left.sym.name)
- {
- printf ("%s", id->left.sym.name);
- }
+ printf ("%s", id->left.sym.name);
else if (id->left.sym.line_num)
- {
- printf ("%d", id->left.sym.line_num);
- }
+ printf ("%d", id->left.sym.line_num);
else
- {
- printf ("*");
- }
+ printf ("*");
+
if (id->has_right)
{
printf ("/%s:",
id->right.sym.file ? id->right.sym.file->name : "*");
+
if (id->right.sym.name)
- {
- printf ("%s", id->right.sym.name);
- }
+ printf ("%s", id->right.sym.name);
else if (id->right.sym.line_num)
- {
- printf ("%d", id->right.sym.line_num);
- }
+ printf ("%d", id->right.sym.line_num);
else
- {
- printf ("*");
- }
+ printf ("*");
}
+
printf ("\n");
}
#endif
}
-/*
- * Return TRUE iff PATTERN matches SYM.
- */
-static bool
-DEFUN (match, (pattern, sym), Sym * pattern AND Sym * sym)
+/* Return TRUE iff PATTERN matches SYM. */
+
+static bfd_boolean
+match (Sym *pattern, Sym *sym)
{
- return (pattern->file ? pattern->file == sym->file : TRUE)
- && (pattern->line_num ? pattern->line_num == sym->line_num : TRUE)
- && (pattern->name ? strcmp (pattern->name, sym->name) == 0 : TRUE);
+ if (pattern->file && pattern->file != sym->file)
+ return FALSE;
+ if (pattern->line_num && pattern->line_num != sym->line_num)
+ return FALSE;
+ if (pattern->name)
+ {
+ const char *sym_name = sym->name;
+ if (*sym_name && bfd_get_symbol_leading_char (core_bfd) == *sym_name)
+ sym_name++;
+ if (strcmp (pattern->name, sym_name) != 0)
+ return FALSE;
+ }
+ return TRUE;
}
static void
-DEFUN (extend_match, (m, sym, tab, second_pass),
- struct match *m AND Sym * sym AND Sym_Table * tab AND bool second_pass)
+extend_match (struct match *m, Sym *sym, Sym_Table *tab, bfd_boolean second_pass)
{
if (m->prev_match != sym - 1)
{
- /* discontinuity: add new match to table: */
+ /* Discontinuity: add new match to table. */
if (second_pass)
{
tab->base[tab->len] = *sym;
m->prev_index = tab->len;
- /* link match into match's chain: */
+ /* Link match into match's chain. */
tab->base[tab->len].next = m->first_match;
m->first_match = &tab->base[tab->len];
}
+
++tab->len;
}
- /* extend match to include this symbol: */
+ /* Extend match to include this symbol. */
if (second_pass)
- {
- tab->base[m->prev_index].end_addr = sym->end_addr;
- }
+ tab->base[m->prev_index].end_addr = sym->end_addr;
+
m->prev_match = sym;
}
-/*
- * Go through sym_id list produced by option processing and fill
- * in the various symbol tables indicating what symbols should
- * be displayed or suppressed for the various kinds of outputs.
- *
- * This can potentially produce huge tables and in particulars
- * tons of arcs, but this happens only if the user makes silly
- * requests---you get what you ask for!
- */
+/* Go through sym_id list produced by option processing and fill
+ in the various symbol tables indicating what symbols should
+ be displayed or suppressed for the various kinds of outputs.
+
+ This can potentially produce huge tables and in particulars
+ tons of arcs, but this happens only if the user makes silly
+ requests---you get what you ask for! */
+
void
-DEFUN_VOID (sym_id_parse)
+sym_id_parse (void)
{
Sym *sym, *left, *right;
struct sym_id *id;
Sym_Table *tab;
- /*
- * Convert symbol ids into Syms, so we can deal with them more easily:
- */
+ /* Convert symbol ids into Syms, so we can deal with them more easily. */
for (id = id_list; id; id = id->next)
- {
- parse_id (id);
- }
-
- /* first determine size of each table: */
+ parse_id (id);
+ /* First determine size of each table. */
for (sym = symtab.base; sym < symtab.limit; ++sym)
{
for (id = id_list; id; id = id->next)
{
if (match (&id->left.sym, sym))
- {
- extend_match (&id->left, sym, &syms[id->which_table], FALSE);
- }
+ extend_match (&id->left, sym, &syms[id->which_table], FALSE);
+
if (id->has_right && match (&id->right.sym, sym))
- {
- extend_match (&id->right, sym, &right_ids, FALSE);
- }
+ extend_match (&id->right, sym, &right_ids, FALSE);
}
}
- /* create tables of appropriate size and reset lengths: */
-
+ /* Create tables of appropriate size and reset lengths. */
for (tab = syms; tab < &syms[NUM_TABLES]; ++tab)
{
if (tab->len)
tab->len = 0;
}
}
+
if (right_ids.len)
{
right_ids.base = (Sym *) xmalloc (right_ids.len * sizeof (Sym));
right_ids.len = 0;
}
- /* make a second pass through symtab, creating syms as necessary: */
-
+ /* Make a second pass through symtab, creating syms as necessary. */
for (sym = symtab.base; sym < symtab.limit; ++sym)
{
for (id = id_list; id; id = id->next)
{
if (match (&id->left.sym, sym))
- {
- extend_match (&id->left, sym, &syms[id->which_table], TRUE);
- }
+ extend_match (&id->left, sym, &syms[id->which_table], TRUE);
+
if (id->has_right && match (&id->right.sym, sym))
- {
- extend_match (&id->right, sym, &right_ids, TRUE);
- }
+ extend_match (&id->right, sym, &right_ids, TRUE);
}
}
- /* go through ids creating arcs as needed: */
-
+ /* Go through ids creating arcs as needed. */
for (id = id_list; id; id = id->next)
{
if (id->has_right)
(unsigned long) right->addr,
(unsigned long) right->end_addr,
table_name[id->which_table]));
+
arc_add (left, right, (unsigned long) 0);
}
}
}
}
- /* finally, we can sort the tables and we're done: */
-
+ /* Finally, we can sort the tables and we're done. */
for (tab = &syms[0]; tab < &syms[NUM_TABLES]; ++tab)
{
DBG (IDDEBUG, printf ("[sym_id_parse] syms[%s]:\n",
}
-/*
- * Symbol tables storing the FROM symbols of arcs do not necessarily
- * have distinct address ranges. For example, somebody might request
- * -k /_mcount to suppress any arcs into _mcount, while at the same
- * time requesting -k a/b. Fortunately, those symbol tables don't get
- * very big (the user has to type them!), so a linear search is probably
- * tolerable.
- */
-bool
-DEFUN (sym_id_arc_is_present, (symtab, from, to),
- Sym_Table * symtab AND Sym * from AND Sym * to)
+/* Symbol tables storing the FROM symbols of arcs do not necessarily
+ have distinct address ranges. For example, somebody might request
+ -k /_mcount to suppress any arcs into _mcount, while at the same
+ time requesting -k a/b. Fortunately, those symbol tables don't get
+ very big (the user has to type them!), so a linear search is probably
+ tolerable. */
+bfd_boolean
+sym_id_arc_is_present (Sym_Table *sym_tab, Sym *from, Sym *to)
{
Sym *sym;
- for (sym = symtab->base; sym < symtab->limit; ++sym)
+ for (sym = sym_tab->base; sym < sym_tab->limit; ++sym)
{
if (from->addr >= sym->addr && from->addr <= sym->end_addr
&& arc_lookup (sym, to))
- {
- return TRUE;
- }
+ return TRUE;
}
+
return FALSE;
}
projects / deliverable / binutils-gdb.git / blobdiff