gdb/

	auto-load: Move files.
	* Makefile.in (SFILES): Add auto-load.c.
	(HFILES_NO_SRCDIR): Add auto-load.h.
	(COMMON_OBS): Add auto-load.o.
	(distclean): Change .gdbinit for gdb-gdb.gdb.
	* auto-load.c: New file, with parts from python/py-auto-load.c.
	* auto-load.h: New file, with parts from python/python.h.
	* configure: Regenerate.
	* configure.ac (AC_OUTPUT): Change .gdbinit for gdb-gdb.gdb.
	* gdb-gdb.gdb.in: New file, renamed from gdbinit.in.
	* gdbinit.in: Remove file, rename it to gdb-gdb.gdb.in.
	* main.c: Include auto-load.h.
	* python/py-auto-load.c: Move include filenames.h, gdb_regex.h,
	command.h, observer.h and progspace.h to auto-load.c.  Add include
	auto-load.h.
	(gdbpy_global_auto_load, struct auto_load_pspace_info)
	(struct loaded_script, auto_load_pspace_data)
	(auto_load_pspace_data_cleanup, get_auto_load_pspace_data)
	(hash_loaded_script_entry, eq_loaded_script_entry)
	(init_loaded_scripts_info, get_auto_load_pspace_data_for_loading)
	(maybe_add_script): Move to auto-load.c.
	(source_section_scripts): Change maybe_add_script parameters passing,
	use script_not_found_warning_print.
	(clear_section_scripts, auto_load_objfile_script)
	(auto_load_new_objfile, loaded_script_ptr)
	(DEF_VEC_P (loaded_script_ptr), collect_matching_scripts, print_script)
	(sort_scripts_by_name, info_auto_load_scripts): Move to auto-load.c.
	(gdbpy_initialize_auto_load): Move auto_load_pspace_data,
	auto_load_new_objfile and info_auto_load_scripts initizations to
	auto-load.c.
	* python/python.h (gdbpy_global_auto_load): Move to auto-load.h.

1 files changed, 5 insertions, 432 deletions

diff --git a/gdb/python/py-auto-load.c b/gdb/python/py-auto-load.c
index 14e75a7..a80960b 100644
--- a/gdb/python/py-auto-load.c
+++ b/gdb/python/py-auto-load.c
@@ -18,30 +18,14 @@
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include "defs.h"
-#include "filenames.h"
 #include "gdb_string.h"
-#include "gdb_regex.h"
 #include "top.h"
 #include "exceptions.h"
-#include "command.h"
 #include "gdbcmd.h"
-#include "observer.h"
-#include "progspace.h"
 #include "objfiles.h"
 #include "python.h"
 #include "cli/cli-cmds.h"
-
-/* Internal-use flag to enable/disable auto-loading.
-   This is true if we should auto-load python code when an objfile is opened,
-   false otherwise.
-
-   Both auto_load_scripts && gdbpy_global_auto_load must be true to enable
-   auto-loading.
-
-   This flag exists to facilitate deferring auto-loading during start-up
-   until after ./.gdbinit has been read; it may augment the search directories
-   used to find the scripts.  */
-int gdbpy_global_auto_load = 1;
+#include "auto-load.h"
 
 #ifdef HAVE_PYTHON
 
@@ -60,32 +44,6 @@ int gdbpy_global_auto_load = 1;
    The leading byte is to allow upward compatible extensions.  */
 #define GDBPY_AUTO_SECTION_NAME ".debug_gdb_scripts"
 
-/* For scripts specified in .debug_gdb_scripts, multiple objfiles may load
-   the same script.  There's no point in loading the script multiple times,
-   and there can be a lot of objfiles and scripts, so we keep track of scripts
-   loaded this way.  */
-
-struct auto_load_pspace_info
-{
-  /* For each program space we keep track of loaded scripts.  */
-  struct htab *loaded_scripts;
-
-  /* Non-zero if we've issued the warning about an auto-load script not being
-     found.  We only want to issue this warning once.  */
-  int script_not_found_warning_printed;
-};
-
-/* Objects of this type are stored in the loaded script hash table.  */
-
-struct loaded_script
-{
-  /* Name as provided by the objfile.  */
-  const char *name;
-  /* Full path name or NULL if script wasn't found (or was otherwise
-     inaccessible).  */
-  const char *full_path;
-};
-
 /* User-settable option to enable/disable auto-loading:
    set auto-load-scripts on|off
    This is true if we should auto-load associated scripts when an objfile
@@ -97,136 +55,6 @@ struct loaded_script
    The fact that it lives here is just an implementation detail.  */
 static int auto_load_scripts = 1;
 
-/* Per-program-space data key.  */
-static const struct program_space_data *auto_load_pspace_data;
-
-static void
-auto_load_pspace_data_cleanup (struct program_space *pspace, void *arg)
-{
-  struct auto_load_pspace_info *info;
-
-  info = program_space_data (pspace, auto_load_pspace_data);
-  if (info != NULL)
-    {
-      if (info->loaded_scripts)
-	htab_delete (info->loaded_scripts);
-      xfree (info);
-    }
-}
-
-/* Get the current autoload data.  If none is found yet, add it now.  This
-   function always returns a valid object.  */
-
-static struct auto_load_pspace_info *
-get_auto_load_pspace_data (struct program_space *pspace)
-{
-  struct auto_load_pspace_info *info;
-
-  info = program_space_data (pspace, auto_load_pspace_data);
-  if (info == NULL)
-    {
-      info = XZALLOC (struct auto_load_pspace_info);
-      set_program_space_data (pspace, auto_load_pspace_data, info);
-    }
-
-  return info;
-}
-
-/* Hash function for the loaded script hash.  */
-
-static hashval_t
-hash_loaded_script_entry (const void *data)
-{
-  const struct loaded_script *e = data;
-
-  return htab_hash_string (e->name);
-}
-
-/* Equality function for the loaded script hash.  */
-
-static int
-eq_loaded_script_entry (const void *a, const void *b)
-{
-  const struct loaded_script *ea = a;
-  const struct loaded_script *eb = b;
-
-  return strcmp (ea->name, eb->name) == 0;
-}
-
-/* Initialize the table to track loaded scripts.
-   Each entry is hashed by the full path name.  */
-
-static void
-init_loaded_scripts_info (struct auto_load_pspace_info *pspace_info)
-{
-  /* Choose 31 as the starting size of the hash table, somewhat arbitrarily.
-     Space for each entry is obtained with one malloc so we can free them
-     easily.  */
-
-  pspace_info->loaded_scripts = htab_create (31,
-					     hash_loaded_script_entry,
-					     eq_loaded_script_entry,
-					     xfree);
-
-  pspace_info->script_not_found_warning_printed = FALSE;
-}
-
-/* Wrapper on get_auto_load_pspace_data to also allocate the hash table
-   for loading scripts.  */
-
-static struct auto_load_pspace_info *
-get_auto_load_pspace_data_for_loading (struct program_space *pspace)
-{
-  struct auto_load_pspace_info *info;
-
-  info = get_auto_load_pspace_data (pspace);
-  if (info->loaded_scripts == NULL)
-    init_loaded_scripts_info (info);
-
-  return info;
-}
-
-/* Add script NAME to hash table HTAB.
-   FULL_PATH is NULL if the script wasn't found.
-   The result is true if the script was already in the hash table.  */
-
-static int
-maybe_add_script (struct htab *htab, const char *name, const char *full_path)
-{
-  struct loaded_script **slot, entry;
-  int in_hash_table;
-
-  entry.name = name;
-  entry.full_path = full_path;
-  slot = (struct loaded_script **) htab_find_slot (htab, &entry, INSERT);
-  in_hash_table = *slot != NULL;
-
-  /* If this script is not in the hash table, add it.  */
-
-  if (! in_hash_table)
-    {
-      char *p;
-
-      /* Allocate all space in one chunk so it's easier to free.  */
-      *slot = xmalloc (sizeof (**slot)
-		       + strlen (name) + 1
-		       + (full_path != NULL ? (strlen (full_path) + 1) : 0));
-      p = ((char*) *slot) + sizeof (**slot);
-      strcpy (p, name);
-      (*slot)->name = p;
-      if (full_path != NULL)
-	{
-	  p += strlen (p) + 1;
-	  strcpy (p, full_path);
-	  (*slot)->full_path = p;
-	}
-      else
-	(*slot)->full_path = NULL;
-    }
-
-  return in_hash_table;
-}
-
 /* Load scripts specified in OBJFILE.
    START,END delimit a buffer containing a list of nul-terminated
    file names.
@@ -301,20 +129,17 @@ source_section_scripts (struct objfile *objfile, const char *source_name,
 
 	 IWBN if complaints.c were more general-purpose.  */
 
-      in_hash_table = maybe_add_script (pspace_info->loaded_scripts, file,
+      in_hash_table = maybe_add_script (pspace_info, file,
 					opened ? full_path : NULL);
 
       if (! opened)
 	{
 	  /* We don't throw an error, the program is still debuggable.  */
-	  if (! pspace_info->script_not_found_warning_printed)
-	    {
-	      warning (_("Missing auto-load scripts referenced in section %s\n\
+	  if (script_not_found_warning_print (pspace_info))
+	    warning (_("Missing auto-load scripts referenced in section %s\n\
 of file %s\n\
 Use `info auto-load-scripts [REGEXP]' to list them."),
-		       GDBPY_AUTO_SECTION_NAME, objfile->name);
-	      pspace_info->script_not_found_warning_printed = TRUE;
-	    }
+		     GDBPY_AUTO_SECTION_NAME, objfile->name);
 	}
       else
 	{
@@ -356,116 +181,6 @@ auto_load_section_scripts (struct objfile *objfile, const char *section_name)
   do_cleanups (cleanups);
 }
 
-/* Clear the table of loaded section scripts.  */
-
-static void
-clear_section_scripts (void)
-{
-  struct program_space *pspace = current_program_space;
-  struct auto_load_pspace_info *info;
-
-  info = program_space_data (pspace, auto_load_pspace_data);
-  if (info != NULL && info->loaded_scripts != NULL)
-    {
-      htab_delete (info->loaded_scripts);
-      info->loaded_scripts = NULL;
-      info->script_not_found_warning_printed = FALSE;
-    }
-}
-
-/* Look for the auto-load script associated with OBJFILE and load it.  */
-
-static void
-auto_load_objfile_script (struct objfile *objfile, const char *suffix)
-{
-  char *realname;
-  char *filename, *debugfile;
-  int len;
-  FILE *input;
-  struct cleanup *cleanups;
-
-  realname = gdb_realpath (objfile->name);
-  len = strlen (realname);
-  filename = xmalloc (len + strlen (suffix) + 1);
-  memcpy (filename, realname, len);
-  strcpy (filename + len, suffix);
-
-  cleanups = make_cleanup (xfree, filename);
-  make_cleanup (xfree, realname);
-
-  input = fopen (filename, "r");
-  debugfile = filename;
-
-  if (!input && debug_file_directory)
-    {
-      /* Also try the same file in the separate debug info directory.  */
-      debugfile = xmalloc (strlen (filename)
-			   + strlen (debug_file_directory) + 1);
-      strcpy (debugfile, debug_file_directory);
-      /* FILENAME is absolute, so we don't need a "/" here.  */
-      strcat (debugfile, filename);
-
-      make_cleanup (xfree, debugfile);
-      input = fopen (debugfile, "r");
-    }
-
-  if (!input && gdb_datadir)
-    {
-      /* Also try the same file in a subdirectory of gdb's data
-	 directory.  */
-      debugfile = xmalloc (strlen (gdb_datadir) + strlen (filename)
-			   + strlen ("/auto-load") + 1);
-      strcpy (debugfile, gdb_datadir);
-      strcat (debugfile, "/auto-load");
-      /* FILENAME is absolute, so we don't need a "/" here.  */
-      strcat (debugfile, filename);
-
-      make_cleanup (xfree, debugfile);
-      input = fopen (debugfile, "r");
-    }
-
-  if (input)
-    {
-      struct auto_load_pspace_info *pspace_info;
-
-      make_cleanup_fclose (input);
-
-      /* Add this script to the hash table too so "info auto-load-scripts"
-	 can print it.  */
-      pspace_info =
-	get_auto_load_pspace_data_for_loading (current_program_space);
-      maybe_add_script (pspace_info->loaded_scripts, debugfile, debugfile);
-
-      /* To preserve existing behaviour we don't check for whether the
-	 script was already in the table, and always load it.
-	 It's highly unlikely that we'd ever load it twice,
-	 and these scripts are required to be idempotent under multiple
-	 loads anyway.  */
-      source_python_script_for_objfile (objfile, input, debugfile);
-    }
-
-  do_cleanups (cleanups);
-}
-
-/* This is a new_objfile observer callback to auto-load scripts.
-
-   Two flavors of auto-loaded scripts are supported.
-   1) based on the path to the objfile
-   2) from .debug_gdb_scripts section  */
-
-static void
-auto_load_new_objfile (struct objfile *objfile)
-{
-  if (!objfile)
-    {
-      /* OBJFILE is NULL when loading a new "main" symbol-file.  */
-      clear_section_scripts ();
-      return;
-    }
-
-  load_auto_scripts_for_objfile (objfile);
-}
-
 /* Load any auto-loaded scripts for OBJFILE.  */
 
 void
@@ -478,146 +193,9 @@ load_auto_scripts_for_objfile (struct objfile *objfile)
     }
 }
 
-/* Collect scripts to be printed in a vec.  */
-
-typedef struct loaded_script *loaded_script_ptr;
-DEF_VEC_P (loaded_script_ptr);
-
-/* Traversal function for htab_traverse.
-   Collect the entry if it matches the regexp.  */
-
-static int
-collect_matching_scripts (void **slot, void *info)
-{
-  struct loaded_script *script = *slot;
-  VEC (loaded_script_ptr) **scripts_ptr = info;
-
-  if (re_exec (script->name))
-    VEC_safe_push (loaded_script_ptr, *scripts_ptr, script);
-
-  return 1;
-}
-
-/* Print SCRIPT.  */
-
-static void
-print_script (struct loaded_script *script)
-{
-  struct ui_out *uiout = current_uiout;
-  struct cleanup *chain;
-
-  chain = make_cleanup_ui_out_tuple_begin_end (uiout, NULL);
-
-  ui_out_field_string (uiout, "loaded", script->full_path ? "Yes" : "Missing");
-  ui_out_field_string (uiout, "script", script->name);
-  ui_out_text (uiout, "\n");
-
-  /* If the name isn't the full path, print it too.  */
-  if (script->full_path != NULL
-      && strcmp (script->name, script->full_path) != 0)
-    {
-      ui_out_text (uiout, "\tfull name: ");
-      ui_out_field_string (uiout, "full_path", script->full_path);
-      ui_out_text (uiout, "\n");
-    }
-
-  do_cleanups (chain);
-}
-
-/* Helper for info_auto_load_scripts to sort the scripts by name.  */
-
-static int
-sort_scripts_by_name (const void *ap, const void *bp)
-{
-  const struct loaded_script *a = *(const struct loaded_script **) ap;
-  const struct loaded_script *b = *(const struct loaded_script **) bp;
-
-  return FILENAME_CMP (a->name, b->name);
-}
-
-/* "info auto-load-scripts" command.  */
-
-static void
-info_auto_load_scripts (char *pattern, int from_tty)
-{
-  struct ui_out *uiout = current_uiout;
-  struct auto_load_pspace_info *pspace_info;
-  struct cleanup *script_chain;
-  VEC (loaded_script_ptr) *scripts;
-  int nr_scripts;
-
-  dont_repeat ();
-
-  pspace_info = get_auto_load_pspace_data (current_program_space);
-
-  if (pattern && *pattern)
-    {
-      char *re_err = re_comp (pattern);
-
-      if (re_err)
-	error (_("Invalid regexp: %s"), re_err);
-    }
-  else
-    {
-      re_comp ("");
-    }
-
-  /* We need to know the number of rows before we build the table.
-     Plus we want to sort the scripts by name.
-     So first traverse the hash table collecting the matching scripts.  */
-
-  scripts = VEC_alloc (loaded_script_ptr, 10);
-  script_chain = make_cleanup (VEC_cleanup (loaded_script_ptr), &scripts);
-
-  if (pspace_info != NULL && pspace_info->loaded_scripts != NULL)
-    {
-      immediate_quit++;
-      /* Pass a pointer to scripts as VEC_safe_push can realloc space.  */
-      htab_traverse_noresize (pspace_info->loaded_scripts,
-			      collect_matching_scripts, &scripts);
-      immediate_quit--;
-    }
-
-  nr_scripts = VEC_length (loaded_script_ptr, scripts);
-  make_cleanup_ui_out_table_begin_end (uiout, 2, nr_scripts,
-				       "AutoLoadedScriptsTable");
-
-  ui_out_table_header (uiout, 7, ui_left, "loaded", "Loaded");
-  ui_out_table_header (uiout, 70, ui_left, "script", "Script");
-  ui_out_table_body (uiout);
-
-  if (nr_scripts > 0)
-    {
-      int i;
-      loaded_script_ptr script;
-
-      qsort (VEC_address (loaded_script_ptr, scripts),
-	     VEC_length (loaded_script_ptr, scripts),
-	     sizeof (loaded_script_ptr), sort_scripts_by_name);
-      for (i = 0; VEC_iterate (loaded_script_ptr, scripts, i, script); ++i)
-	print_script (script);
-    }
-
-  do_cleanups (script_chain);
-
-  if (nr_scripts == 0)
-    {
-      if (pattern && *pattern)
-	ui_out_message (uiout, 0, "No auto-load scripts matching %s.\n",
-			pattern);
-      else
-	ui_out_message (uiout, 0, "No auto-load scripts.\n");
-    }
-}
-
 void
 gdbpy_initialize_auto_load (void)
 {
-  auto_load_pspace_data
-    = register_program_space_data_with_cleanup (auto_load_pspace_data_cleanup);
-
-  observer_attach_new_objfile (auto_load_new_objfile);
-
   add_setshow_boolean_cmd ("auto-load-scripts", class_support,
 			   &auto_load_scripts, _("\
 Set the debugger's behaviour regarding auto-loaded scripts."), _("\
@@ -627,11 +205,6 @@ an executable or shared library."),
 			   NULL, NULL,
 			   &setlist,
 			   &showlist);
-
-  add_info ("auto-load-scripts",
-	    info_auto_load_scripts,
-	    _("Print the list of automatically loaded scripts.\n\
-Usage: info auto-load-scripts [REGEXP]"));
 }
 
 #else /* ! HAVE_PYTHON */