usr/src/lib/libdtrace/common/dt_as.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #ifndef _DT_AS_H
  28 #define _DT_AS_H
  29
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31
  32 #include <sys/types.h>
  33 #include <sys/dtrace.h>
  34
  35 #ifdef  __cplusplus
  36 extern "C" {
  37 #endif
  38
  39 typedef struct dt_irnode {
  40         uint_t di_label;                /* label number or DT_LBL_NONE */
  41         dif_instr_t di_instr;           /* instruction opcode */
  42         void *di_extern;                /* opcode-specific external reference */
  43         struct dt_irnode *di_next;      /* next instruction */
  44 } dt_irnode_t;
  45
  46 #define DT_LBL_NONE     0               /* no label on this instruction */
  47
  48 typedef struct dt_irlist {
  49         dt_irnode_t *dl_list;           /* pointer to first node in list */
  50         dt_irnode_t *dl_last;           /* pointer to last node in list */
  51         uint_t dl_len;                  /* number of valid instructions */
  52         uint_t dl_label;                /* next label number to assign */
  53 } dt_irlist_t;
  54
  55 extern void dt_irlist_create(dt_irlist_t *);
  56 extern void dt_irlist_destroy(dt_irlist_t *);
  57 extern void dt_irlist_append(dt_irlist_t *, dt_irnode_t *);
  58 extern uint_t dt_irlist_label(dt_irlist_t *);
  59
  60 #ifdef  __cplusplus
  61 }
  62 #endif
  63
  64 #endif  /* _DT_AS_H */