* symtab.c (output_source_filename): Delete unnecessary forward decl.
(filename_seen_cache): New struct. (INITIAL_FILENAME_SEEN_CACHE_SIZE): New macro. (create_filename_seen_cache): New function. (clear_filename_seen_cache, delete_filename_seen_cache): New functions. (filename_seen): Delete arg "first". New arg "cache". All callers updated. (output_source_filename_data): New struct. (output_source_filename): Delete arg "first". New arg "data". All callers updated. (sources_info): Delete local "first". New locals "data", "cleanups". Rewrite to use filename_seen_cache. (add_partial_filename_data): Delete member "first". New member "filename_seen_cache". All uses updated. (make_source_files_completion_list): Rewrite to use filename_seen_cache.
This commit is contained in:
parent
470b557aaf
commit
9fdc877be2
2 changed files with 123 additions and 49 deletions
|
@ -1,3 +1,22 @@
|
|||
2012-07-13 Doug Evans <dje@google.com>
|
||||
|
||||
* symtab.c (output_source_filename): Delete unnecessary forward decl.
|
||||
(filename_seen_cache): New struct.
|
||||
(INITIAL_FILENAME_SEEN_CACHE_SIZE): New macro.
|
||||
(create_filename_seen_cache): New function.
|
||||
(clear_filename_seen_cache, delete_filename_seen_cache): New functions.
|
||||
(filename_seen): Delete arg "first". New arg "cache". All callers
|
||||
updated.
|
||||
(output_source_filename_data): New struct.
|
||||
(output_source_filename): Delete arg "first". New arg "data".
|
||||
All callers updated.
|
||||
(sources_info): Delete local "first". New locals "data", "cleanups".
|
||||
Rewrite to use filename_seen_cache.
|
||||
(add_partial_filename_data): Delete member "first". New member
|
||||
"filename_seen_cache". All uses updated.
|
||||
(make_source_files_completion_list): Rewrite to use
|
||||
filename_seen_cache.
|
||||
|
||||
2012-07-12 Doug Evans <dje@google.com>
|
||||
|
||||
* psymtab.c (map_symbol_filenames_psymtab): Skip shared psymtabs.
|
||||
|
|
153
gdb/symtab.c
153
gdb/symtab.c
|
@ -75,8 +75,6 @@ static void variables_info (char *, int);
|
|||
|
||||
static void sources_info (char *, int);
|
||||
|
||||
static void output_source_filename (const char *, int *);
|
||||
|
||||
static int find_line_common (struct linetable *, int, int *, int);
|
||||
|
||||
static struct symbol *lookup_symbol_aux (const char *name,
|
||||
|
@ -3105,57 +3103,104 @@ operator_chars (char *p, char **end)
|
|||
}
|
||||
|
||||
|
||||
/* Cache to watch for file names already seen by filename_seen. */
|
||||
|
||||
struct filename_seen_cache
|
||||
{
|
||||
/* Table of files seen so far. */
|
||||
const char **tab;
|
||||
|
||||
/* Allocated size of tab in elements. */
|
||||
int tab_alloc_size;
|
||||
#define INITIAL_FILENAME_SEEN_CACHE_SIZE 100
|
||||
|
||||
/* Current size of tab in elements. */
|
||||
int tab_cur_size;
|
||||
};
|
||||
|
||||
/* filename_seen_cache constructor. */
|
||||
|
||||
static struct filename_seen_cache *
|
||||
create_filename_seen_cache (void)
|
||||
{
|
||||
struct filename_seen_cache *cache;
|
||||
|
||||
cache = XNEW (struct filename_seen_cache);
|
||||
cache->tab_alloc_size = INITIAL_FILENAME_SEEN_CACHE_SIZE;
|
||||
cache->tab = XNEWVEC (const char *, cache->tab_alloc_size);
|
||||
cache->tab_cur_size = 0;
|
||||
|
||||
return cache;
|
||||
}
|
||||
|
||||
/* Empty the cache, but do not delete it. */
|
||||
|
||||
static void
|
||||
clear_filename_seen_cache (struct filename_seen_cache * cache)
|
||||
{
|
||||
cache->tab_cur_size = 0;
|
||||
}
|
||||
|
||||
/* filename_seen_cache destructor.
|
||||
This takes a void * argument as it is generally used as a cleanup. */
|
||||
|
||||
static void
|
||||
delete_filename_seen_cache (void *ptr)
|
||||
{
|
||||
struct filename_seen_cache *cache = ptr;
|
||||
|
||||
xfree (cache->tab);
|
||||
xfree (cache);
|
||||
}
|
||||
|
||||
/* If FILE is not already in the table of files, return zero;
|
||||
otherwise return non-zero. Optionally add FILE to the table if ADD
|
||||
is non-zero. If *FIRST is non-zero, forget the old table
|
||||
contents. */
|
||||
|
||||
static int
|
||||
filename_seen (const char *file, int add, int *first)
|
||||
filename_seen (struct filename_seen_cache *cache, const char *file, int add)
|
||||
{
|
||||
/* Table of files seen so far. */
|
||||
static const char **tab = NULL;
|
||||
/* Allocated size of tab in elements.
|
||||
Start with one 256-byte block (when using GNU malloc.c).
|
||||
24 is the malloc overhead when range checking is in effect. */
|
||||
static int tab_alloc_size = (256 - 24) / sizeof (char *);
|
||||
/* Current size of tab in elements. */
|
||||
static int tab_cur_size;
|
||||
const char **p;
|
||||
|
||||
if (*first)
|
||||
{
|
||||
if (tab == NULL)
|
||||
tab = (const char **) xmalloc (tab_alloc_size * sizeof (*tab));
|
||||
tab_cur_size = 0;
|
||||
}
|
||||
|
||||
/* Is FILE in tab? */
|
||||
for (p = tab; p < tab + tab_cur_size; p++)
|
||||
for (p = cache->tab; p < cache->tab + cache->tab_cur_size; p++)
|
||||
if (filename_cmp (*p, file) == 0)
|
||||
return 1;
|
||||
|
||||
/* No; maybe add it to tab. */
|
||||
if (add)
|
||||
{
|
||||
if (tab_cur_size == tab_alloc_size)
|
||||
if (cache->tab_cur_size == cache->tab_alloc_size)
|
||||
{
|
||||
tab_alloc_size *= 2;
|
||||
tab = (const char **) xrealloc ((char *) tab,
|
||||
tab_alloc_size * sizeof (*tab));
|
||||
cache->tab_alloc_size *= 2;
|
||||
cache->tab = XRESIZEVEC (const char *, cache->tab,
|
||||
cache->tab_alloc_size);
|
||||
}
|
||||
tab[tab_cur_size++] = file;
|
||||
cache->tab[cache->tab_cur_size++] = file;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Data structure to maintain printing state for output_source_filename. */
|
||||
|
||||
struct output_source_filename_data
|
||||
{
|
||||
/* Cache of what we've seen so far. */
|
||||
struct filename_seen_cache *filename_seen_cache;
|
||||
|
||||
/* Flag of whether we're printing the first one. */
|
||||
int first;
|
||||
};
|
||||
|
||||
/* Slave routine for sources_info. Force line breaks at ,'s.
|
||||
NAME is the name to print and *FIRST is nonzero if this is the first
|
||||
name printed. Set *FIRST to zero. */
|
||||
NAME is the name to print.
|
||||
DATA contains the state for printing and watching for duplicates. */
|
||||
|
||||
static void
|
||||
output_source_filename (const char *name, int *first)
|
||||
output_source_filename (const char *name,
|
||||
struct output_source_filename_data *data)
|
||||
{
|
||||
/* Since a single source file can result in several partial symbol
|
||||
tables, we need to avoid printing it more than once. Note: if
|
||||
|
@ -3167,20 +3212,16 @@ output_source_filename (const char *name, int *first)
|
|||
symtabs; it doesn't hurt to check. */
|
||||
|
||||
/* Was NAME already seen? */
|
||||
if (filename_seen (name, 1, first))
|
||||
if (filename_seen (data->filename_seen_cache, name, 1))
|
||||
{
|
||||
/* Yes; don't print it again. */
|
||||
return;
|
||||
}
|
||||
|
||||
/* No; print it and reset *FIRST. */
|
||||
if (*first)
|
||||
{
|
||||
*first = 0;
|
||||
}
|
||||
else
|
||||
{
|
||||
printf_filtered (", ");
|
||||
}
|
||||
if (! data->first)
|
||||
printf_filtered (", ");
|
||||
data->first = 0;
|
||||
|
||||
wrap_here ("");
|
||||
fputs_filtered (name, gdb_stdout);
|
||||
|
@ -3200,31 +3241,39 @@ sources_info (char *ignore, int from_tty)
|
|||
{
|
||||
struct symtab *s;
|
||||
struct objfile *objfile;
|
||||
int first;
|
||||
struct output_source_filename_data data;
|
||||
struct cleanup *cleanups;
|
||||
|
||||
if (!have_full_symbols () && !have_partial_symbols ())
|
||||
{
|
||||
error (_("No symbol table is loaded. Use the \"file\" command."));
|
||||
}
|
||||
|
||||
data.filename_seen_cache = create_filename_seen_cache ();
|
||||
cleanups = make_cleanup (delete_filename_seen_cache,
|
||||
data.filename_seen_cache);
|
||||
|
||||
printf_filtered ("Source files for which symbols have been read in:\n\n");
|
||||
|
||||
first = 1;
|
||||
data.first = 1;
|
||||
ALL_SYMTABS (objfile, s)
|
||||
{
|
||||
const char *fullname = symtab_to_fullname (s);
|
||||
|
||||
output_source_filename (fullname ? fullname : s->filename, &first);
|
||||
output_source_filename (fullname ? fullname : s->filename, &data);
|
||||
}
|
||||
printf_filtered ("\n\n");
|
||||
|
||||
printf_filtered ("Source files for which symbols "
|
||||
"will be read in on demand:\n\n");
|
||||
|
||||
first = 1;
|
||||
map_partial_symbol_filenames (output_partial_symbol_filename, &first,
|
||||
clear_filename_seen_cache (data.filename_seen_cache);
|
||||
data.first = 1;
|
||||
map_partial_symbol_filenames (output_partial_symbol_filename, &data,
|
||||
1 /*need_fullname*/);
|
||||
printf_filtered ("\n");
|
||||
|
||||
do_cleanups (cleanups);
|
||||
}
|
||||
|
||||
static int
|
||||
|
@ -4543,7 +4592,7 @@ not_interesting_fname (const char *fname)
|
|||
map_partial_symbol_filenames. */
|
||||
struct add_partial_filename_data
|
||||
{
|
||||
int *first;
|
||||
struct filename_seen_cache *filename_seen_cache;
|
||||
char *text;
|
||||
char *word;
|
||||
int text_len;
|
||||
|
@ -4560,7 +4609,7 @@ maybe_add_partial_symtab_filename (const char *filename, const char *fullname,
|
|||
|
||||
if (not_interesting_fname (filename))
|
||||
return;
|
||||
if (!filename_seen (filename, 1, data->first)
|
||||
if (!filename_seen (data->filename_seen_cache, filename, 1)
|
||||
&& filename_ncmp (filename, data->text, data->text_len) == 0)
|
||||
{
|
||||
/* This file matches for a completion; add it to the
|
||||
|
@ -4572,7 +4621,7 @@ maybe_add_partial_symtab_filename (const char *filename, const char *fullname,
|
|||
const char *base_name = lbasename (filename);
|
||||
|
||||
if (base_name != filename
|
||||
&& !filename_seen (base_name, 1, data->first)
|
||||
&& !filename_seen (data->filename_seen_cache, base_name, 1)
|
||||
&& filename_ncmp (base_name, data->text, data->text_len) == 0)
|
||||
add_filename_to_list (base_name, data->text, data->word, data->list);
|
||||
}
|
||||
|
@ -4588,23 +4637,27 @@ make_source_files_completion_list (char *text, char *word)
|
|||
{
|
||||
struct symtab *s;
|
||||
struct objfile *objfile;
|
||||
int first = 1;
|
||||
size_t text_len = strlen (text);
|
||||
VEC (char_ptr) *list = NULL;
|
||||
const char *base_name;
|
||||
struct add_partial_filename_data datum;
|
||||
struct cleanup *back_to;
|
||||
struct filename_seen_cache *filename_seen_cache;
|
||||
struct cleanup *back_to, *cache_cleanup;
|
||||
|
||||
if (!have_full_symbols () && !have_partial_symbols ())
|
||||
return list;
|
||||
|
||||
back_to = make_cleanup (do_free_completion_list, &list);
|
||||
|
||||
filename_seen_cache = create_filename_seen_cache ();
|
||||
cache_cleanup = make_cleanup (delete_filename_seen_cache,
|
||||
filename_seen_cache);
|
||||
|
||||
ALL_SYMTABS (objfile, s)
|
||||
{
|
||||
if (not_interesting_fname (s->filename))
|
||||
continue;
|
||||
if (!filename_seen (s->filename, 1, &first)
|
||||
if (!filename_seen (filename_seen_cache, s->filename, 1)
|
||||
&& filename_ncmp (s->filename, text, text_len) == 0)
|
||||
{
|
||||
/* This file matches for a completion; add it to the current
|
||||
|
@ -4619,19 +4672,21 @@ make_source_files_completion_list (char *text, char *word)
|
|||
command do when they parse file names. */
|
||||
base_name = lbasename (s->filename);
|
||||
if (base_name != s->filename
|
||||
&& !filename_seen (base_name, 1, &first)
|
||||
&& !filename_seen (filename_seen_cache, base_name, 1)
|
||||
&& filename_ncmp (base_name, text, text_len) == 0)
|
||||
add_filename_to_list (base_name, text, word, &list);
|
||||
}
|
||||
}
|
||||
|
||||
datum.first = &first;
|
||||
datum.filename_seen_cache = filename_seen_cache;
|
||||
datum.text = text;
|
||||
datum.word = word;
|
||||
datum.text_len = text_len;
|
||||
datum.list = &list;
|
||||
map_partial_symbol_filenames (maybe_add_partial_symtab_filename, &datum,
|
||||
0 /*need_fullname*/);
|
||||
|
||||
do_cleanups (cache_cleanup);
|
||||
discard_cleanups (back_to);
|
||||
|
||||
return list;
|
||||
|
|
Loading…
Reference in a new issue