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* breakpoint.h (ALL_BREAKPOINTS_SAFE): Add.

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* breakpoint.c (breakpoint_re_set):  Use ALL_BREAKPOINTS_SAFE.
* symtab.c (find_pc_symtab):  Handle having no objfiles.
* infcmd.c:  Fix comment.
* objfiles.c (free_all_objfiles):  Add.
* symfile.h (ALL_OBJFILES, ALL_OBJFILES_SAFE):  Add.
* symfile.c (symbol_file_command):  free all objfiles when
specifying a new symbol file.
(reread_symbols):  Stat the file name, don't fstat the descriptor.
This commit is contained in:
John Gilmore
1992-02-27 16:28:59 +00:00
parent 5c83e859b9
commit cba0d141fb
5 changed files with 684 additions and 1015 deletions
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40
gdb/symfile.c
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@@ -554,15 +554,12 @@ symbol_file_command (args, from_tty)
if (args == NULL)
{
if (symfile_objfile)
{
if ((have_full_symbols () || have_partial_symbols ())
&& from_tty
&& !query ("Discard symbol table from `%s'? ",
symfile_objfile -> name))
error ("Not confirmed.");
free_objfile (symfile_objfile);
}
if ((have_full_symbols () || have_partial_symbols ())
&& from_tty
&& !query ("Discard symbol table from `%s'? ",
symfile_objfile -> name))
error ("Not confirmed.");
free_all_objfiles ();
symfile_objfile = NULL;
/* FIXME, this does not account for the main file and subsequent
files (shared libs, dynloads, etc) having different formats.
@@ -769,6 +766,8 @@ reread_symbols ()
struct objfile *objfile;
long new_modtime;
int reread_one = 0;
struct stat new_statbuf;
int res;
/* With the addition of shared libraries, this should be modified,
the load time should be saved in the partial symbol tables, since
@@ -779,7 +778,14 @@ reread_symbols ()
the_big_top:
for (objfile = object_files; objfile; objfile = objfile->next) {
if (objfile->obfd) {
new_modtime = bfd_get_mtime (objfile->obfd);
res = stat (objfile->name, &new_statbuf);
if (res != 0) {
/* FIXME, should use print_sys_errmsg but it's not filtered. */
printf_filtered ("`%s' has disappeared; keeping its symbols.\n",
objfile->name);
continue;
}
new_modtime = new_statbuf.st_mtime;
if (new_modtime != objfile->mtime) {
printf_filtered ("`%s' has changed; re-reading symbols.\n",
objfile->name);
@@ -799,7 +805,6 @@ the_big_top:
if (reread_one)
breakpoint_re_set ();
}
/* Functions to handle complaints during symbol reading. */
@@ -957,9 +962,16 @@ allocate_psymtab (filename, objfile)
{
struct partial_symtab *psymtab;
psymtab = (struct partial_symtab *)
obstack_alloc (&objfile -> psymbol_obstack,
sizeof (struct partial_symtab));
if (objfile -> free_psymtabs)
{
psymtab = objfile -> free_psymtabs;
objfile -> free_psymtabs = psymtab -> next;
}
else
psymtab = (struct partial_symtab *)
obstack_alloc (&objfile -> psymbol_obstack,
sizeof (struct partial_symtab));
(void) memset (psymtab, 0, sizeof (struct partial_symtab));
psymtab -> filename = obsavestring (filename, strlen (filename),
&objfile -> psymbol_obstack);