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Provide $ddir substitution for --with-auto-load-safe-path.
	* NEWS (--with-auto-load-safe-path, --without-auto-load-safe-path): New
	entries.
	* auto-load.c: Include observer.h.
	(auto_load_safe_path_vec_update): Call substitute_path_component for
	each component.  New variable ddir_subst.
	(auto_load_gdb_datadir_changed): New function.
	(set_auto_load_safe_path): Rename DEFAULT_AUTO_LOAD_SAFE_PATH to
	AUTO_LOAD_SAFE_PATH.  New comment.
	(_initialize_auto_load): Rename DEFAULT_AUTO_LOAD_SAFE_PATH to
	AUTO_LOAD_SAFE_PATH.  Install auto_load_gdb_datadir_changed.
	* config.in: Regenerate.
	* configure: Regenerate.
	* configure.ac (--auto-load-safe-path): Rename
	DEFAULT_AUTO_LOAD_SAFE_PATH to AUTO_LOAD_SAFE_PATH.  Default to
	GDB_DATADIR/auto-load.
	* defs.h (substitute_path_component): New declaration.
	* top.c: Include observer.h.
	(set_gdb_datadir): New function.
	(init_main): Install it for "set data-directory".
	* utils.c (substitute_path_component): New function.

gdb/doc/
	Provide $ddir substitution for --with-auto-load-safe-path.
	* gdb.texinfo (Auto-loading): Replace /usr/local by $ddir/auto-load.
	(Auto-loading safe path): Likewise.  Mention the default value,
	$ddir substitution, --with-auto-load-safe-path and
	--without-auto-load-safe-path.
	* observer.texi (gdb_datadir_changed): New.
This commit is contained in:
Jan Kratochvil
2012-05-11 18:13:26 +00:00
parent b09aca3aa7
commit 6dea1fbd79
12 changed files with 162 additions and 26 deletions
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27
gdb/auto-load.c
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@@ -35,6 +35,7 @@
#include "gdb_vecs.h"
#include "readline/tilde.h"
#include "completer.h"
#include "observer.h"
/* The suffix of per-objfile scripts to auto-load as non-Python command files.
E.g. When the program loads libfoo.so, look for libfoo-gdb.gdb. */
@@ -141,10 +142,16 @@ auto_load_safe_path_vec_update (void)
for (ix = 0; ix < len; ix++)
{
char *dir = VEC_index (char_ptr, auto_load_safe_path_vec, ix);
char *expanded = tilde_expand (dir);
char *real_path = gdb_realpath (expanded);
char *ddir_subst, *expanded, *real_path;
/* Ensure the current entry is at least tilde_expand-ed. */
ddir_subst = xstrdup (dir);
substitute_path_component (&ddir_subst, "$ddir", gdb_datadir);
expanded = tilde_expand (ddir_subst);
xfree (ddir_subst);
real_path = gdb_realpath (expanded);
/* Ensure the current entry is at least a valid path (therefore
$ddir-expanded and tilde-expanded). */
VEC_replace (char_ptr, auto_load_safe_path_vec, ix, expanded);
if (debug_auto_load)
@@ -176,15 +183,24 @@ auto_load_safe_path_vec_update (void)
}
}
/* Variable gdb_datadir has been set. Update content depending on $ddir. */
static void
auto_load_gdb_datadir_changed (void)
{
auto_load_safe_path_vec_update ();
}
/* "set" command for the auto_load_safe_path configuration variable. */
static void
set_auto_load_safe_path (char *args, int from_tty, struct cmd_list_element *c)
{
/* Setting the variable to "" resets it to the compile time defaults. */
if (auto_load_safe_path[0] == '\0')
{
xfree (auto_load_safe_path);
auto_load_safe_path = xstrdup (DEFAULT_AUTO_LOAD_SAFE_PATH);
auto_load_safe_path = xstrdup (AUTO_LOAD_SAFE_PATH);
}
auto_load_safe_path_vec_update ();
@@ -1040,7 +1056,7 @@ This options has security implications for untrusted inferiors."),
Usage: info auto-load local-gdbinit"),
auto_load_info_cmdlist_get ());
auto_load_safe_path = xstrdup (DEFAULT_AUTO_LOAD_SAFE_PATH);
auto_load_safe_path = xstrdup (AUTO_LOAD_SAFE_PATH);
auto_load_safe_path_vec_update ();
add_setshow_optional_filename_cmd ("safe-path", class_support,
&auto_load_safe_path, _("\
@@ -1058,6 +1074,7 @@ This options has security implications for untrusted inferiors."),
show_auto_load_safe_path,
auto_load_set_cmdlist_get (),
auto_load_show_cmdlist_get ());
observer_attach_gdb_datadir_changed (auto_load_gdb_datadir_changed);
cmd = add_cmd ("add-auto-load-safe-path", class_support,
add_auto_load_safe_path,