libconv/common/phdr.c

	phdr.c revision 8521e5e6630b57b9883c3979cd5589e53f09e044
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (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 2007 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#pragma ident   "%Z%%M% %I% %E% SMI"

/*
 * String conversion routines for program header attributes.
 */
#include    <string.h>
#include    <_conv.h>
#include    <phdr_msg.h>

/* Instantiate a local copy of conv_map2str() from _conv.h */
DEFINE_conv_map2str

const char *
conv_phdr_type(Half mach, Word type, int fmt_flags)
{
    static Conv_inv_buf_t   string;
    static const Msg    phdrs[] = {
        MSG_PT_NULL,        MSG_PT_LOAD,
        MSG_PT_DYNAMIC,     MSG_PT_INTERP,
        MSG_PT_NOTE,        MSG_PT_SHLIB,
        MSG_PT_PHDR,        MSG_PT_TLS
    };
    static const Msg    phdrs_alt[] = {
        MSG_PT_NULL_ALT,    MSG_PT_LOAD_ALT,
        MSG_PT_DYNAMIC_ALT, MSG_PT_INTERP_ALT,
        MSG_PT_NOTE_ALT,    MSG_PT_SHLIB_ALT,
        MSG_PT_PHDR_ALT,    MSG_PT_TLS_ALT
    };
#if PT_NUM != (PT_TLS + 1)
error "PT_NUM has grown. Update phdrs[]"
#endif
    static const Msg uphdrs[] = {
        MSG_PT_SUNWBSS,     MSG_PT_SUNWSTACK,
        MSG_PT_SUNWDTRACE,  MSG_PT_SUNWCAP
    };
    static const Msg uphdrs_alt[] = {
        MSG_PT_SUNWBSS_ALT, MSG_PT_SUNWSTACK_ALT,
        MSG_PT_SUNWDTRACE_ALT,  MSG_PT_SUNWCAP_ALT
    };
#if PT_LOSUNW != PT_SUNWBSS
#error "PT_LOSUNW has grown. Update uphdrs[]"
#endif

    if (type < PT_NUM) {
        return (conv_map2str(string, sizeof (string),
            type, fmt_flags, ARRAY_NELTS(phdrs),
            phdrs, phdrs_alt, phdrs_alt));
    } else if ((type >= PT_SUNWBSS) && (type <= PT_HISUNW)) {
        return (conv_map2str(string, sizeof (string),
            (type - PT_SUNWBSS), fmt_flags, ARRAY_NELTS(uphdrs),
            uphdrs, uphdrs_alt, uphdrs_alt));
    } else if ((type == PT_SUNW_UNWIND) && (mach == EM_AMD64)) {
        return ((fmt_flags & CONV_FMTALTMASK) ?
            MSG_ORIG(MSG_PT_SUNW_UNWIND_ALT) :
            MSG_ORIG(MSG_PT_SUNW_UNWIND));
    } else
        return (conv_invalid_val(string, CONV_INV_STRSIZE, type, 0));
}

#define PHDRSZ  CONV_EXPN_FIELD_DEF_PREFIX_SIZE + \
        MSG_PF_X_SIZE   + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
        MSG_PF_W_SIZE   + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
        MSG_PF_R_SIZE   + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
        MSG_PF_SUNW_FAILURE_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
        CONV_INV_STRSIZE + CONV_EXPN_FIELD_DEF_SUFFIX_SIZE

const char *
conv_phdr_flags(Word flags)
{
    static char string[PHDRSZ];
    static Val_desc vda[] = {
        { PF_X,         MSG_ORIG(MSG_PF_X) },
        { PF_W,         MSG_ORIG(MSG_PF_W) },
        { PF_R,         MSG_ORIG(MSG_PF_R) },
        { PF_SUNW_FAILURE,  MSG_ORIG(MSG_PF_SUNW_FAILURE) },
        { 0,            0 }
    };
    static CONV_EXPN_FIELD_ARG conv_arg = { string, sizeof (string), vda };

    if (flags == 0)
        return (MSG_ORIG(MSG_GBL_ZERO));

    conv_arg.oflags = conv_arg.rflags = flags;
    (void) conv_expn_field(&conv_arg);

    return ((const char *)string);
}