libconv/common/syminfo.c

	syminfo.c revision f441771b0ce9f9d6122d318ff8290cb1a2848f9d
/*
 * 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 (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
 */

/*
 * String conversion routines for syminfo attributes.
 */
#include    <stdio.h>
#include    <_machelf.h>
#include    "_conv.h"
#include    "syminfo_msg.h"


static const Val_desc *
conv_syminfo_flags_strings(Conv_fmt_flags_t fmt_flags)
{
#define FLAGSZ  CONV_EXPN_FIELD_DEF_PREFIX_SIZE + \
    MSG_SYMINFO_FLG_DIRECT_CF_SIZE  + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
    MSG_SYMINFO_FLG_FILTER_CF_SIZE  + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
    MSG_SYMINFO_FLG_COPY_CF_SIZE    + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
    MSG_SYMINFO_FLG_LAZYLOAD_CF_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
    MSG_SYMINFO_FLG_DIRECTBIND_CF_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
    MSG_SYMINFO_FLG_NOEXTDIRECT_CF_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
    MSG_SYMINFO_FLG_AUXILIARY_CF_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
    MSG_SYMINFO_FLG_INTERPOSE_CF_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
    MSG_SYMINFO_FLG_CAP_CF_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
    MSG_SYMINFO_FLG_DEFERRED_CF_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
    CONV_INV_BUFSIZE + CONV_EXPN_FIELD_DEF_SUFFIX_SIZE

    /*
     * Ensure that Conv_syminfo_flags_buf_t is large enough:
     *
     * FLAGSZ is the real minimum size of the buffer required by
     * conv_syminfo_flags(). However, Conv_syminfo_flags_buf_t uses
     * CONV_SYMINFO_FLAGS_BUFSIZE to set the buffer size. We do things
     * this way because the definition of FLAGSZ uses information that
     * is not available in the environment of other programs that include
     * the conv.h header file.
     */
#if (CONV_SYMINFO_FLAGS_BUFSIZE != FLAGSZ) && !defined(__lint)
#define REPORT_BUFSIZE FLAGSZ
#include "report_bufsize.h"
#error "CONV_SYMINFO_FLAGS_BUFSIZE does not match FLAGSZ"
#endif

    static const Val_desc vda_cf[] = {
        { SYMINFO_FLG_DIRECT,   MSG_SYMINFO_FLG_DIRECT_CF },
        { SYMINFO_FLG_FILTER,   MSG_SYMINFO_FLG_FILTER_CF },
        { SYMINFO_FLG_COPY, MSG_SYMINFO_FLG_COPY_CF },
        { SYMINFO_FLG_LAZYLOAD, MSG_SYMINFO_FLG_LAZYLOAD_CF },
        { SYMINFO_FLG_DIRECTBIND, MSG_SYMINFO_FLG_DIRECTBIND_CF },
        { SYMINFO_FLG_NOEXTDIRECT, MSG_SYMINFO_FLG_NOEXTDIRECT_CF },
        { SYMINFO_FLG_AUXILIARY, MSG_SYMINFO_FLG_AUXILIARY_CF },
        { SYMINFO_FLG_INTERPOSE, MSG_SYMINFO_FLG_INTERPOSE_CF },
        { SYMINFO_FLG_CAP,  MSG_SYMINFO_FLG_CAP_CF },
        { SYMINFO_FLG_DEFERRED, MSG_SYMINFO_FLG_DEFERRED_CF },
        { 0 }
    };
    static const Val_desc vda_cfnp[] = {
        { SYMINFO_FLG_DIRECT,   MSG_SYMINFO_FLG_DIRECT_CFNP },
        { SYMINFO_FLG_FILTER,   MSG_SYMINFO_FLG_FILTER_CFNP },
        { SYMINFO_FLG_COPY, MSG_SYMINFO_FLG_COPY_CFNP },
        { SYMINFO_FLG_LAZYLOAD, MSG_SYMINFO_FLG_LAZYLOAD_CFNP },
        { SYMINFO_FLG_DIRECTBIND, MSG_SYMINFO_FLG_DIRECTBIND_CFNP },
        { SYMINFO_FLG_NOEXTDIRECT, MSG_SYMINFO_FLG_NOEXTDIRECT_CFNP },
        { SYMINFO_FLG_AUXILIARY, MSG_SYMINFO_FLG_AUXILIARY_CFNP },
        { SYMINFO_FLG_INTERPOSE, MSG_SYMINFO_FLG_INTERPOSE_CFNP },
        { SYMINFO_FLG_CAP,  MSG_SYMINFO_FLG_CAP_CFNP },
        { SYMINFO_FLG_DEFERRED, MSG_SYMINFO_FLG_DEFERRED_CFNP },
        { 0 }
    };
    static const Val_desc vda_nf[] = {
        { SYMINFO_FLG_DIRECT,   MSG_SYMINFO_FLG_DIRECT_NF },
        { SYMINFO_FLG_FILTER,   MSG_SYMINFO_FLG_FILTER_NF },
        { SYMINFO_FLG_COPY, MSG_SYMINFO_FLG_COPY_NF },
        { SYMINFO_FLG_LAZYLOAD, MSG_SYMINFO_FLG_LAZYLOAD_NF },
        { SYMINFO_FLG_DIRECTBIND, MSG_SYMINFO_FLG_DIRECTBIND_NF },
        { SYMINFO_FLG_NOEXTDIRECT, MSG_SYMINFO_FLG_NOEXTDIRECT_NF },
        { SYMINFO_FLG_AUXILIARY, MSG_SYMINFO_FLG_AUXILIARY_NF },
        { SYMINFO_FLG_INTERPOSE, MSG_SYMINFO_FLG_INTERPOSE_NF },
        { SYMINFO_FLG_CAP,  MSG_SYMINFO_FLG_CAP_NF },
        { SYMINFO_FLG_DEFERRED, MSG_SYMINFO_FLG_DEFERRED_NF },
        { 0 }
    };

    switch (CONV_TYPE_FMT_ALT(fmt_flags)) {
    case CONV_FMT_ALT_CF:
        return (vda_cf);
    case CONV_FMT_ALT_NF:
        return (vda_nf);
    }

    return (vda_cfnp);
}


const char *
conv_syminfo_flags(Half flags, Conv_fmt_flags_t fmt_flags,
    Conv_syminfo_flags_buf_t *syminfo_flags_buf)
{
    static CONV_EXPN_FIELD_ARG conv_arg = {
        NULL, sizeof (syminfo_flags_buf->buf) };

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

    conv_arg.buf = syminfo_flags_buf->buf;
    conv_arg.oflags = conv_arg.rflags = flags;
    conv_arg.prefix = conv_arg.suffix = NULL;
    (void) conv_expn_field(&conv_arg,
        conv_syminfo_flags_strings(fmt_flags), fmt_flags);

    return ((const char *)syminfo_flags_buf->buf);
}

conv_iter_ret_t
conv_iter_syminfo_flags(Conv_fmt_flags_t fmt_flags, conv_iter_cb_t func,
    void *uvalue)
{
    return (conv_iter_vd(conv_syminfo_flags_strings(fmt_flags),
        func, uvalue));
}


static const conv_ds_t **
conv_syminfo_boundto_strings(Conv_fmt_flags_t fmt_flags)
{
    static const Msg    boundto_cf[] = {
        MSG_SYMINFO_BT_EXTERN_CF,   MSG_SYMINFO_BT_NONE_CF,
        MSG_SYMINFO_BT_PARENT_CF,   MSG_SYMINFO_BT_SELF_CF
    };
    static const Msg    boundto_cfnp[] = {
        MSG_SYMINFO_BT_EXTERN_CFNP, MSG_SYMINFO_BT_NONE_CFNP,
        MSG_SYMINFO_BT_PARENT_CFNP, MSG_SYMINFO_BT_SELF_CFNP
    };
    static const Msg    boundto_nf[] = {
        MSG_SYMINFO_BT_EXTERN_NF,   MSG_SYMINFO_BT_NONE_NF,
        MSG_SYMINFO_BT_PARENT_NF,   MSG_SYMINFO_BT_SELF_NF
    };
    static const conv_ds_msg_t ds_boundto_cf = {
        CONV_DS_MSG_INIT(SYMINFO_BT_EXTERN, boundto_cf) };
    static const conv_ds_msg_t ds_boundto_cfnp = {
        CONV_DS_MSG_INIT(SYMINFO_BT_EXTERN, boundto_cfnp) };
    static const conv_ds_msg_t ds_boundto_nf = {
        CONV_DS_MSG_INIT(SYMINFO_BT_EXTERN, boundto_nf) };

    /* Build NULL terminated return arrays for each string style */
    static const const conv_ds_t    *ds_cf[] = {
        CONV_DS_ADDR(ds_boundto_cf), NULL };
    static const const conv_ds_t    *ds_cfnp[] = {
        CONV_DS_ADDR(ds_boundto_cfnp), NULL };
    static const const conv_ds_t    *ds_nf[] = {
        CONV_DS_ADDR(ds_boundto_nf), NULL };

    /* Select the strings to use */
    switch (CONV_TYPE_FMT_ALT(fmt_flags)) {
    case CONV_FMT_ALT_CF:
        return (ds_cf);
    case CONV_FMT_ALT_NF:
        return (ds_nf);
    }

    return (ds_cfnp);
}

const char *
conv_syminfo_boundto(Half value, Conv_fmt_flags_t fmt_flags,
    Conv_inv_buf_t *inv_buf)
{
    return (conv_map_ds(ELFOSABI_NONE, EM_NONE, value,
        conv_syminfo_boundto_strings(fmt_flags), fmt_flags, inv_buf));
}

conv_iter_ret_t
conv_iter_syminfo_boundto(Conv_fmt_flags_t fmt_flags, conv_iter_cb_t func,
    void *uvalue)
{
    return (conv_iter_ds(ELFOSABI_NONE, EM_NONE,
        conv_syminfo_boundto_strings(fmt_flags), func, uvalue));
}