Toolchain/binutils-gdb
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New command line option -D.

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* NEWS: Mention it.
	* main.c (set_gdb_data_directory): New function.
	(captured_main): Recognize -D.  Flag error for --data-directory "".
	Call set_gdb_data_directory.
	(print_gdb_help): Print --data-directory, -D.
	* main.h (set_gdb_data_directory): Declare.
	* top.c (staged_gdb_datadir): New static global.
	(set_gdb_datadir): Call set_gdb_data_directory
	(show_gdb_datadir): New function.
	(init_main): Update init of data-directory parameter.

	testsuite/
	* gdb.base/catch-syscall.exp (test_catch_syscall_fail_nodatadir):
	Update.
	(do_syscall_tests_without_xml): Update.

	doc/
	* gdb.texinfo (Mode Options): Add -D.
This commit is contained in:
Doug Evans
2014-05-16 12:15:10 -07:00
parent 18848e288c
commit 8d551b0239
9 changed files with 100 additions and 6 deletions
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49
gdb/main.c
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@@ -106,6 +106,41 @@ get_gdb_program_name (void)
static void print_gdb_help (struct ui_file *);
/* Set the data-directory parameter to NEW_DATADIR.
If NEW_DATADIR is not a directory then a warning is printed.
We don't signal an error for backward compatibility. */
void
set_gdb_data_directory (const char *new_datadir)
{
struct stat st;
if (stat (new_datadir, &st) < 0)
{
int save_errno = errno;
fprintf_unfiltered (gdb_stderr, "Warning: ");
print_sys_errmsg (new_datadir, save_errno);
}
else if (!S_ISDIR (st.st_mode))
warning (_("%s is not a directory."), new_datadir);
xfree (gdb_datadir);
gdb_datadir = gdb_realpath (new_datadir);
/* gdb_realpath won't return an absolute path if the path doesn't exist,
but we still want to record an absolute path here. If the user entered
"../foo" and "../foo" doesn't exist then we'll record $(pwd)/../foo which
isn't canonical, but that's ok. */
if (!IS_ABSOLUTE_PATH (gdb_datadir))
{
char *abs_datadir = gdb_abspath (gdb_datadir);
xfree (gdb_datadir);
gdb_datadir = abs_datadir;
}
}
/* Relocate a file or directory. PROGNAME is the name by which gdb
was invoked (i.e., argv[0]). INITIAL is the default value for the
file or directory. FLAG is true if the value is relocatable, false
@@ -517,6 +552,7 @@ captured_main (void *data)
{"directory", required_argument, 0, 'd'},
{"d", required_argument, 0, 'd'},
{"data-directory", required_argument, 0, 'D'},
{"D", required_argument, 0, 'D'},
{"cd", required_argument, 0, OPT_CD},
{"tty", required_argument, 0, 't'},
{"baud", required_argument, 0, 'b'},
@@ -641,8 +677,15 @@ captured_main (void *data)
gdb_stdout = ui_file_new();
break;
case 'D':
xfree (gdb_datadir);
gdb_datadir = xstrdup (optarg);
if (optarg[0] == '\0')
{
fprintf_unfiltered (gdb_stderr,
_("%s: empty path for"
" `--data-directory'\n"),
argv[0]);
exit (1);
}
set_gdb_data_directory (optarg);
gdb_datadir_provided = 1;
break;
#ifdef GDBTK
@@ -1146,6 +1189,8 @@ Remote debugging options:\n\n\
-l TIMEOUT Set timeout in seconds for remote debugging.\n\n\
Other options:\n\n\
--cd=DIR Change current directory to DIR.\n\
--data-directory=DIR, -D\n\
Set GDB's data-directory to DIR.\n\
"), stream);
fputs_unfiltered (_("\n\
At startup, GDB reads the following init files and executes their commands:\n\