Remove make_cleanup_value_free

This removes make_cleanup_value_free, in favor of a unique_ptr
specialization.

Regression tested by the buildbot.

gdb/ChangeLog
2017-10-08  Tom Tromey  <tom@tromey.com>

	* utils.h (make_cleanup_value_free): Remove.
	* utils.c (do_value_free, struct cleanup): Remove.
	* dwarf2loc.c (dwarf2_evaluate_loc_desc_full) <DWARF_VALUE_STACK>:
	Use gdb_value_up.
	* value.h (struct value_deleter): New.
	(gdb_value_up): New typedef.
This commit is contained in:
Tom Tromey 2017-10-08 12:20:49 -06:00
parent b9c04fb268
commit 757325a3f2
5 changed files with 25 additions and 21 deletions

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@ -1,3 +1,12 @@
2017-10-08 Tom Tromey <tom@tromey.com>
* utils.h (make_cleanup_value_free): Remove.
* utils.c (do_value_free, struct cleanup): Remove.
* dwarf2loc.c (dwarf2_evaluate_loc_desc_full) <DWARF_VALUE_STACK>:
Use gdb_value_up.
* value.h (struct value_deleter): New.
(gdb_value_up): New typedef.
2017-10-08 Tom Tromey <tom@tromey.com>
* symtab.c (free_search_symbols, do_free_search_symbols_cleanup)

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@ -2478,7 +2478,6 @@ dwarf2_evaluate_loc_desc_full (struct type *type, struct frame_info *frame,
size_t len = TYPE_LENGTH (subobj_type);
size_t max = TYPE_LENGTH (type);
struct gdbarch *objfile_gdbarch = get_objfile_arch (objfile);
struct cleanup *cleanup;
if (subobj_byte_offset + len > max)
invalid_synthetic_pointer ();
@ -2488,7 +2487,7 @@ dwarf2_evaluate_loc_desc_full (struct type *type, struct frame_info *frame,
below. */
value_incref (value);
free_values.free_to_mark ();
cleanup = make_cleanup_value_free (value);
gdb_value_up value_holder (value);
retval = allocate_value (subobj_type);
@ -2498,8 +2497,6 @@ dwarf2_evaluate_loc_desc_full (struct type *type, struct frame_info *frame,
memcpy (value_contents_raw (retval),
value_contents_all (value) + subobj_byte_offset, len);
do_cleanups (cleanup);
}
break;

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@ -185,22 +185,6 @@ make_cleanup_value_free_to_mark (struct value *mark)
return make_cleanup (do_value_free_to_mark, mark);
}
/* Helper for make_cleanup_value_free. */
static void
do_value_free (void *value)
{
value_free ((struct value *) value);
}
/* Free VALUE. */
struct cleanup *
make_cleanup_value_free (struct value *value)
{
return make_cleanup (do_value_free, value);
}
/* This function is useful for cleanups.
Do

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@ -215,7 +215,6 @@ struct target_ops;
extern struct cleanup *make_cleanup_unpush_target (struct target_ops *ops);
extern struct cleanup *make_cleanup_value_free_to_mark (struct value *);
extern struct cleanup *make_cleanup_value_free (struct value *);
/* A deleter for a hash table. */
struct htab_deleter

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@ -1018,6 +1018,21 @@ extern void value_incref (struct value *val);
extern void value_free (struct value *val);
/* A free policy class to interface std::unique_ptr with
value_free. */
struct value_deleter
{
void operator() (struct value *value) const
{
value_free (value);
}
};
/* A unique pointer to a struct value. */
typedef std::unique_ptr<struct value, value_deleter> gdb_value_up;
extern void free_all_values (void);
extern void free_value_chain (struct value *v);