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* thread.c (make_cleanup_restore_current_thread): Make it

Browse Source 
globally visible.
	* gdbthread.h (make_cleanup_restore_current_thread): Declare.
	* varobj.c (varobj_update): Don't save/restore frame.
	(c_value_of_root): Save/restore thread and frame here,
	using make_cleanup_restore_current_thread.
	* Makefile.in: Update dependecies.
This commit is contained in:
Vladimir Prus 2008-03-23 09:53:52 +00:00
parent 44a67aa79a
commit 6208b47d6c
5 changed files with 25 additions and 15 deletions
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10
gdb/ChangeLog
View File

@ -1,3 +1,13 @@
2008-03-23 Vladimir Prus <vladimir@codesourcery.com>
* thread.c (make_cleanup_restore_current_thread): Make it
globally visible.
* gdbthread.h (make_cleanup_restore_current_thread): Declare.
* varobj.c (varobj_update): Don't save/restore frame.
(c_value_of_root): Save/restore thread and frame here,
using make_cleanup_restore_current_thread.
* Makefile.in: Update dependecies.
2008-03-23 Vladimir Prus <vladimir@codesourcery.com>
* varobj.c (struct varobj_root): Clarify

3
gdb/Makefile.in
View File

@ -2940,7 +2940,8 @@ value.o: value.c $(defs_h) $(gdb_string_h) $(symtab_h) $(gdbtypes_h) \
$(gdb_assert_h) $(regcache_h) $(block_h) $(dfp_h)
varobj.o: varobj.c $(defs_h) $(exceptions_h) $(value_h) $(expression_h) \
$(frame_h) $(language_h) $(wrapper_h) $(gdbcmd_h) $(block_h) \
$(gdb_assert_h) $(gdb_string_h) $(varobj_h) $(vec_h)
$(gdb_assert_h) $(gdb_string_h) $(varobj_h) $(vec_h) $(gdbthread_h) \
$(inferior_h)
vaxbsd-nat.o: vaxbsd-nat.c $(defs_h) $(inferior_h) $(regcache_h) $(target_h) \
$(vax_tdep_h) $(inf_ptrace_h) $(bsd_kvm_h)
vax-nat.o: vax-nat.c $(defs_h) $(inferior_h) $(gdb_assert_h) $(vax_tdep_h) \

4
gdb/gdbthread.h
View File

@ -158,4 +158,8 @@ extern int print_thread_events;
extern void print_thread_info (struct ui_out *uiout, int thread);
extern struct cleanup *make_cleanup_restore_current_thread (ptid_t,
struct frame_id);
#endif /* GDBTHREAD_H */

4
gdb/thread.c
View File

@ -61,8 +61,6 @@ static void info_threads_command (char *, int);
static void thread_apply_command (char *, int);
static void restore_current_thread (ptid_t);
static void prune_threads (void);
static struct cleanup *make_cleanup_restore_current_thread (ptid_t,
struct frame_id);
void
delete_step_resume_breakpoint (void *arg)
@ -570,7 +568,7 @@ do_restore_current_thread_cleanup (void *arg)
xfree (old);
}
static struct cleanup *
struct cleanup *
make_cleanup_restore_current_thread (ptid_t inferior_ptid,
struct frame_id a_frame_id)
{

19
gdb/varobj.c
View File

@ -31,6 +31,8 @@
#include "varobj.h"
#include "vec.h"
#include "gdbthread.h"
#include "inferior.h"
/* Non-zero if we want to see trace of varobj level stuff. */
@ -1111,7 +1113,6 @@ varobj_update (struct varobj **varp, struct varobj ***changelist,
struct value *new;
VEC (varobj_p) *stack = NULL;
VEC (varobj_p) *result = NULL;
struct frame_id old_fid;
struct frame_info *fi;
/* sanity check: have we been passed a pointer? */
@ -1130,10 +1131,6 @@ varobj_update (struct varobj **varp, struct varobj ***changelist,
if ((*varp)->root->rootvar == *varp)
{
/* Save the selected stack frame, since we will need to change it
in order to evaluate expressions. */
old_fid = get_frame_id (deprecated_safe_get_selected_frame ());
/* Update the root variable. value_of_root can return NULL
if the variable is no longer around, i.e. we stepped out of
the frame in which a local existed. We are letting the
@ -1141,11 +1138,6 @@ varobj_update (struct varobj **varp, struct varobj ***changelist,
has changed. */
type_changed = 1;
new = value_of_root (varp, &type_changed);
/* Restore selected frame. */
fi = frame_find_by_id (old_fid);
if (fi)
select_frame (fi);
/* If this is a "use_selected_frame" varobj, and its type has changed,
them note that it's changed. */
@ -2153,12 +2145,15 @@ c_value_of_root (struct varobj **var_handle)
struct varobj *var = *var_handle;
struct frame_info *fi;
int within_scope;
struct cleanup *back_to;
/* Only root variables can be updated... */
if (!is_root_p (var))
/* Not a root var */
return NULL;
back_to = make_cleanup_restore_current_thread (
inferior_ptid, get_frame_id (deprecated_safe_get_selected_frame ()));
/* Determine whether the variable is still around. */
if (var->root->valid_block == NULL || var->root->use_selected_frame)
@ -2187,6 +2182,8 @@ c_value_of_root (struct varobj **var_handle)
return new_val;
}
do_cleanups (back_to);
return NULL;
}