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* main.c (gdb_datadir_provided): New static global.

Browse Source 
(get_init_files): If --data-directory is provided,
	and SYSTEM_GDBINIT lives in data-directory, look for it there.
	* NEWS: Mention it.

	doc/
	* gdb.texinfo (System-wide configuration): If the system-wide init
	file lives in the data-directory, and --data-directory is provided,
	look for it there.
This commit is contained in:
Doug Evans 2012-11-16 19:43:39 +00:00
parent 79f080079c
commit e64e03922c
5 changed files with 66 additions and 4 deletions
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7
gdb/ChangeLog
View File

@ -1,3 +1,10 @@
2012-11-16 Doug Evans <dje@google.com>
* main.c (gdb_datadir_provided): New static global.
(get_init_files): If --data-directory is provided,
and SYSTEM_GDBINIT lives in data-directory, look for it there.
* NEWS: Mention it.
2012-11-15 Pierre Muller <muller@sourceware.org>
ARI fixes: move gdb_wait and gdb_stat headers to common subdirectory.

7
gdb/NEWS
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@ -3,6 +3,13 @@
*** Changes since GDB 7.5
* If the configured location of system.gdbinit file (as given by the
--with-system-gdbinit option at configure time) is in the
data-directory (as specified by --with-gdb-datadir at configure
time) or in one of its subdirectories, then GDB will look for the
system-wide init file in the directory specified by the
--data-directory command-line option.
* New command line options:
-nh Disables auto-loading of ~/.gdbinit, but still executes all the

6
gdb/doc/ChangeLog
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@ -1,3 +1,9 @@
2012-11-16 Doug Evans <dje@google.com>
* gdb.texinfo (System-wide configuration): If the system-wide init
file lives in the data-directory, and --data-directory is provided,
look for it there.
2012-11-15 Tom Tromey <tromey@redhat.com>
* gdb.texinfo (Signaling): Fix typo.

11
gdb/doc/gdb.texinfo
View File

@ -34765,6 +34765,17 @@ then @value{GDBN} will always look for @file{/usr/share/gdb/gdbinit},
wherever @value{GDBN} is installed.
@end itemize
If the configured location of the system-wide init file (as given by the
@option{--with-system-gdbinit} option at configure time) is in the
data-directory (as specified by @option{--with-gdb-datadir} at configure
time) or in one of its subdirectories, then @value{GDBN} will look for the
system-wide init file in the directory specified by the
@option{--data-directory} command-line option.
Note that the system-wide init file is only read once, during @value{GDBN}
initialization. If the data-directory is changed after @value{GDBN} has
started with the @code{set data-directory} command, the file will not be
reread.
@node Maintenance Commands
@appendix Maintenance Commands
@cindex maintenance commands

39
gdb/main.c
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@ -60,6 +60,11 @@ char *gdb_sysroot = 0;
/* GDB datadir, used to store data files. */
char *gdb_datadir = 0;
/* Non-zero if GDB_DATADIR was provided on the command line.
This doesn't track whether data-directory is set later from the
command line, but we don't reread system.gdbinit when that happens. */
static int gdb_datadir_provided = 0;
/* If gdb was configured with --with-python=/path,
the possibly relocated path to python's lib directory. */
char *python_libdir = 0;
@ -163,13 +168,38 @@ get_init_files (char **system_gdbinit,
if (!initialized)
{
struct stat homebuf, cwdbuf, s;
char *homedir, *relocated_sysgdbinit;
char *homedir;
if (SYSTEM_GDBINIT[0])
{
relocated_sysgdbinit = relocate_path (gdb_program_name,
SYSTEM_GDBINIT,
SYSTEM_GDBINIT_RELOCATABLE);
int datadir_len = strlen (GDB_DATADIR);
int sys_gdbinit_len = strlen (SYSTEM_GDBINIT);
char *relocated_sysgdbinit;
/* If SYSTEM_GDBINIT lives in data-directory, and data-directory
has been provided, search for SYSTEM_GDBINIT there. */
if (gdb_datadir_provided
&& datadir_len < sys_gdbinit_len
&& strncmp (SYSTEM_GDBINIT, GDB_DATADIR, datadir_len) == 0
&& strchr (SLASH_STRING, SYSTEM_GDBINIT[datadir_len]) != NULL)
{
/* Append the part of SYSTEM_GDBINIT that follows GDB_DATADIR
to gdb_datadir. */
char *tmp_sys_gdbinit = xstrdup (SYSTEM_GDBINIT + datadir_len);
char *p;
for (p = tmp_sys_gdbinit; strchr (SLASH_STRING, *p); ++p)
continue;
relocated_sysgdbinit = concat (gdb_datadir, SLASH_STRING, p,
NULL);
xfree (tmp_sys_gdbinit);
}
else
{
relocated_sysgdbinit = relocate_path (gdb_program_name,
SYSTEM_GDBINIT,
SYSTEM_GDBINIT_RELOCATABLE);
}
if (relocated_sysgdbinit && stat (relocated_sysgdbinit, &s) == 0)
sysgdbinit = relocated_sysgdbinit;
else
@ -591,6 +621,7 @@ captured_main (void *data)
case 'D':
xfree (gdb_datadir);
gdb_datadir = xstrdup (optarg);
gdb_datadir_provided = 1;
break;
#ifdef GDBTK
case 'z':