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2011-08-04 Pedro Alves <pedro@codesourcery.com>

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* exceptions.c (struct catcher): Remove saved_uiout field.
	(exceptions_state_mc_init): Remove the `func_uiout' parameter, and
	no longer save/resvore the global ui_out builder.
	(catch_exceptions_with_msg): Save/override/restore the global
	ui_out builder manually instead of relying on TRY_CATCH to do it.
	(catch_errors): Save/restore the global ui_out builder manually
	instead of relying on TRY_CATCH to do it.
	* exceptions.h (exceptions_state_mc_init): Remove the `func_uiout'
	parameter.
	(TRY_CATCH): Adjust.
	* cli/cli-interp.c (safe_execute_command): Save/override/restore
	the global ui_out builder manually instead of relying on TRY_CATCH
	to do it.
This commit is contained in:
Pedro Alves 2011-08-04 18:19:27 +00:00
parent a1e28cb2af
commit f9679975a3
4 changed files with 63 additions and 16 deletions
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16
gdb/ChangeLog
View File

@ -1,3 +1,19 @@
2011-08-04 Pedro Alves <pedro@codesourcery.com>
* exceptions.c (struct catcher): Remove saved_uiout field.
(exceptions_state_mc_init): Remove the `func_uiout' parameter, and
no longer save/resvore the global ui_out builder.
(catch_exceptions_with_msg): Save/override/restore the global
ui_out builder manually instead of relying on TRY_CATCH to do it.
(catch_errors): Save/restore the global ui_out builder manually
instead of relying on TRY_CATCH to do it.
* exceptions.h (exceptions_state_mc_init): Remove the `func_uiout'
parameter.
(TRY_CATCH): Adjust.
* cli/cli-interp.c (safe_execute_command): Save/override/restore
the global ui_out builder manually instead of relying on TRY_CATCH
to do it.
2011-08-03 Philippe Waroquiers <philippe.waroquiers@skynet.be>
* breakpoint.c (update_global_location_list): Ensure

11
gdb/cli/cli-interp.c
View File

@ -112,14 +112,23 @@ cli_interpreter_exec (void *data, const char *command_str)
}
static struct gdb_exception
safe_execute_command (struct ui_out *uiout, char *command, int from_tty)
safe_execute_command (struct ui_out *command_uiout, char *command, int from_tty)
{
volatile struct gdb_exception e;
struct ui_out *saved_uiout;
/* Save and override the global ``struct ui_out'' builder. */
saved_uiout = uiout;
uiout = command_uiout;
TRY_CATCH (e, RETURN_MASK_ALL)
{
execute_command (command, from_tty);
}
/* Restore the global builder. */
uiout = saved_uiout;
/* FIXME: cagney/2005-01-13: This shouldn't be needed. Instead the
caller should print the exception. */
exception_print (gdb_stderr, e);

47
gdb/exceptions.c
View File

@ -60,7 +60,6 @@ struct catcher
volatile struct gdb_exception *exception;
/* Saved/current state. */
int mask;
struct ui_out *saved_uiout;
struct cleanup *saved_cleanup_chain;
/* Back link. */
struct catcher *prev;
@ -70,8 +69,7 @@ struct catcher
static struct catcher *current_catcher;
EXCEPTIONS_SIGJMP_BUF *
exceptions_state_mc_init (struct ui_out *func_uiout,
volatile struct gdb_exception *exception,
exceptions_state_mc_init (volatile struct gdb_exception *exception,
return_mask mask)
{
struct catcher *new_catcher = XZALLOC (struct catcher);
@ -84,10 +82,6 @@ exceptions_state_mc_init (struct ui_out *func_uiout,
new_catcher->mask = mask;
/* Override the global ``struct ui_out'' builder. */
new_catcher->saved_uiout = uiout;
uiout = func_uiout;
/* Prevent error/quit during FUNC from calling cleanups established
prior to here. */
new_catcher->saved_cleanup_chain = save_cleanups ();
@ -112,8 +106,6 @@ catcher_pop (void)
restore_cleanups (old_catcher->saved_cleanup_chain);
uiout = old_catcher->saved_uiout;
xfree (old_catcher);
}
@ -459,7 +451,7 @@ catch_exceptions (struct ui_out *uiout,
}
int
catch_exceptions_with_msg (struct ui_out *uiout,
catch_exceptions_with_msg (struct ui_out *func_uiout,
catch_exceptions_ftype *func,
void *func_args,
char **gdberrmsg,
@ -467,11 +459,27 @@ catch_exceptions_with_msg (struct ui_out *uiout,
{
volatile struct gdb_exception exception;
volatile int val = 0;
struct ui_out *saved_uiout;
TRY_CATCH (exception, mask)
/* Save and override the global ``struct ui_out'' builder. */
saved_uiout = uiout;
uiout = func_uiout;
TRY_CATCH (exception, RETURN_MASK_ALL)
{
val = (*func) (uiout, func_args);
}
/* Restore the global builder. */
uiout = saved_uiout;
if (exception.reason < 0 && (mask & RETURN_MASK (exception.reason)) == 0)
{
/* The caller didn't request that the event be caught.
Rethrow. */
throw_exception (exception);
}
print_any_exception (gdb_stderr, NULL, exception);
gdb_assert (val >= 0);
gdb_assert (exception.reason <= 0);
@ -500,11 +508,26 @@ catch_errors (catch_errors_ftype *func, void *func_args, char *errstring,
{
volatile int val = 0;
volatile struct gdb_exception exception;
struct ui_out *saved_uiout;
TRY_CATCH (exception, mask)
/* Save the global ``struct ui_out'' builder. */
saved_uiout = uiout;
TRY_CATCH (exception, RETURN_MASK_ALL)
{
val = func (func_args);
}
/* Restore the global builder. */
uiout = saved_uiout;
if (exception.reason < 0 && (mask & RETURN_MASK (exception.reason)) == 0)
{
/* The caller didn't request that the event be caught.
Rethrow. */
throw_exception (exception);
}
print_any_exception (gdb_stderr, errstring, exception);
if (exception.reason != 0)
return 0;

5
gdb/exceptions.h
View File

@ -114,8 +114,7 @@ extern const struct gdb_exception exception_none;
/* Functions to drive the exceptions state m/c (internal to
exceptions). */
EXCEPTIONS_SIGJMP_BUF *exceptions_state_mc_init (struct ui_out *func_uiout,
volatile struct
EXCEPTIONS_SIGJMP_BUF *exceptions_state_mc_init (volatile struct
gdb_exception *exception,
return_mask mask);
int exceptions_state_mc_action_iter (void);
@ -146,7 +145,7 @@ int exceptions_state_mc_action_iter_1 (void);
#define TRY_CATCH(EXCEPTION,MASK) \
{ \
EXCEPTIONS_SIGJMP_BUF *buf = \
exceptions_state_mc_init (uiout, &(EXCEPTION), (MASK)); \
exceptions_state_mc_init (&(EXCEPTION), (MASK)); \
EXCEPTIONS_SIGSETJMP (*buf); \
} \
while (exceptions_state_mc_action_iter ()) \