freebsd-dev/cddl/contrib/opensolaris/lib/libdtrace/common/dt_regset.h
Mark Johnston ba6cafe265 Re-introduce another part of r249367. This commit fixes a register leak in
dt_cg_ptrsize() and generally cleans up some of the error handling around
register allocation.

This change corresponds to part of illumos-gate commit e5803b76927480:
  3025 register leak in D code generation

Reviewed by:	pfg
Obtained from:	illumos
MFC after:	1 month
2013-05-19 17:14:36 +00:00

58 lines
1.6 KiB
C

/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2003 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Copyright (c) 2012 by Delphix. All rights reserved.
*/
#ifndef _DT_REGSET_H
#define _DT_REGSET_H
#include <sys/types.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct dt_regset {
ulong_t dr_size; /* number of registers in set */
ulong_t *dr_bitmap; /* bitmap of active registers */
} dt_regset_t;
extern dt_regset_t *dt_regset_create(ulong_t);
extern void dt_regset_destroy(dt_regset_t *);
extern void dt_regset_reset(dt_regset_t *);
extern int dt_regset_alloc(dt_regset_t *);
extern void dt_regset_free(dt_regset_t *, int);
extern void dt_regset_assert_free(dt_regset_t *);
#ifdef __cplusplus
}
#endif
#endif /* _DT_REGSET_H */