usr/src/cmd/sgs/libconv/common/segments.c

   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 (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 /*
  28  * String conversion routine for segment flags.
  29  */
  30 #include        <string.h>
  31 #include        <libld.h>
  32 #include        "_conv.h"
  33 #include        "segments_msg.h"
  34
  35 #define SEGSZ   CONV_EXPN_FIELD_DEF_PREFIX_SIZE + \
  36                 MSG_FLG_SG_P_VADDR_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
  37                 MSG_FLG_SG_P_PADDR_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
  38                 MSG_FLG_SG_LENGTH_SIZE  + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
  39                 MSG_FLG_SG_P_ALIGN_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
  40                 MSG_FLG_SG_ROUND_SIZE   + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
  41                 MSG_FLG_SG_P_FLAGS_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
  42                 MSG_FLG_SG_P_TYPE_SIZE  + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
  43                 MSG_FLG_SG_IS_ORDER_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
  44                 MSG_FLG_SG_NOHDR_SIZE   + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
  45                 MSG_FLG_SG_EMPTY_SIZE   + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
  46                 MSG_FLG_SG_KEY_SIZE     + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
  47                 MSG_FLG_SG_NODISABLE_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
  48                 MSG_FLG_SG_DISABLED_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
  49                 MSG_FLG_SG_PHREQ_SIZE   + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
  50                 MSG_FLG_SG_ORDERED_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
  51                 CONV_INV_BUFSIZE + CONV_EXPN_FIELD_DEF_SUFFIX_SIZE
  52
  53 /*
  54  * Ensure that Conv_seg_flags_buf_t is large enough:
  55  *
  56  * SEGSZ is the real minimum size of the buffer required by conv_seg_flags().
  57  * However, Conv_seg_flags_buf_t uses CONV_SEG_FLAGS_BUFSIZE to set the
  58  * buffer size. We do things this way because the definition of SEGSZ uses
  59  * information that is not available in the environment of other programs
  60  * that include the conv.h header file.
  61  */
  62 #if (CONV_SEG_FLAGS_BUFSIZE != SEGSZ) && !defined(__lint)
  63 #define REPORT_BUFSIZE SEGSZ
  64 #include "report_bufsize.h"
  65 #error "CONV_SEG_FLAGS_BUFSIZE does not match SEGSZ"
  66 #endif
  67
  68 const char *
  69 conv_seg_flags(sg_flags_t flags, Conv_seg_flags_buf_t *seg_flags_buf)
  70 {
  71         static Val_desc vda[] = {
  72                 { FLG_SG_P_VADDR,       MSG_FLG_SG_P_VADDR },
  73                 { FLG_SG_P_PADDR,       MSG_FLG_SG_P_PADDR },
  74                 { FLG_SG_LENGTH,        MSG_FLG_SG_LENGTH },
  75                 { FLG_SG_P_ALIGN,       MSG_FLG_SG_P_ALIGN },
  76                 { FLG_SG_ROUND,         MSG_FLG_SG_ROUND },
  77                 { FLG_SG_P_FLAGS,       MSG_FLG_SG_P_FLAGS },
  78                 { FLG_SG_P_TYPE,        MSG_FLG_SG_P_TYPE },
  79                 { FLG_SG_IS_ORDER,      MSG_FLG_SG_IS_ORDER },
  80                 { FLG_SG_NOHDR,         MSG_FLG_SG_NOHDR },
  81                 { FLG_SG_EMPTY,         MSG_FLG_SG_EMPTY },
  82                 { FLG_SG_KEY,           MSG_FLG_SG_KEY },
  83                 { FLG_SG_NODISABLE,     MSG_FLG_SG_NODISABLE },
  84                 { FLG_SG_DISABLED,      MSG_FLG_SG_DISABLED },
  85                 { FLG_SG_PHREQ,         MSG_FLG_SG_PHREQ },
  86                 { FLG_SG_ORDERED,       MSG_FLG_SG_ORDERED },
  87                 { 0,                    0 }
  88         };
  89         static CONV_EXPN_FIELD_ARG conv_arg = {
  90             NULL, sizeof (seg_flags_buf->buf) };
  91
  92         if (flags == 0)
  93                 return (MSG_ORIG(MSG_GBL_ZERO));
  94
  95         conv_arg.buf = seg_flags_buf->buf;
  96         conv_arg.oflags = conv_arg.rflags = flags;
  97         (void) conv_expn_field(&conv_arg, vda, 0);
  98
  99         return ((const char *)seg_flags_buf->buf);
 100 }