liblddbg/common/tls.c

	tls.c revision de777a601dfef76d8d54837de77dc672dce47498
/*
 * 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"

#include    <link.h>
#include    <libc_int.h>
#include    <rtld.h>
#include    <strings.h>
#include    <debug.h>
#include    "msg.h"
#include    "_debug.h"

#define FLAGSZ  CONV_EXPN_FIELD_DEF_PREFIX_SIZE + \
        MSG_TLS_FLAG_STATIC_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
        CONV_INV_BUFSIZE + CONV_EXPN_FIELD_DEF_SUFFIX_SIZE

static void
Dbg_tls_modent(Lm_list *lml, TLS_modinfo * tmodent)
{
    static char flagstr[FLAGSZ];
    static Val_desc vda[] = {
        { TM_FLG_STATICTLS, MSG_ORIG(MSG_TLS_FLAG_STATIC) },
        { 0,            0 }
    };
    static CONV_EXPN_FIELD_ARG conv_arg = { flagstr,
        sizeof (flagstr), vda };

    ulong_t flags;

    if ((flags = tmodent->tm_flags) != 0) {
        conv_arg.oflags = conv_arg.rflags = flags;
        (void) conv_expn_field(&conv_arg);
    } else {
        flagstr[0] = '\0';
    }

    dbg_print(lml, MSG_INTL(MSG_TLS_MODENT1),
        EC_XWORD((uintptr_t)tmodent->tm_tlsblock),
        EC_XWORD(tmodent->tm_stattlsoffset), EC_XWORD(tmodent->tm_flags),
        flagstr);
    dbg_print(lml, MSG_INTL(MSG_TLS_MODENT2),
        EC_XWORD(tmodent->tm_filesz), EC_XWORD(tmodent->tm_memsz),
        EC_XWORD(tmodent->tm_modid));
}

void
Dbg_tls_static_block(Lm_list *lml, void *list, ulong_t size, ulong_t resv)
{
    if (DBG_NOTCLASS(DBG_C_TLS))
        return;

    Dbg_util_nl(lml, DBG_NL_STD);

    if (list) {
        ulong_t     ndx;
        TLS_modinfo **tlsmodlist;

        tlsmodlist = (TLS_modinfo **)list;

        for (ndx = 0; tlsmodlist[ndx]; ndx++) {
            dbg_print(lml, MSG_INTL(MSG_TLS_STATBLOCK1), ndx,
                tlsmodlist[ndx]->tm_modname);
            Dbg_tls_modent(lml, tlsmodlist[ndx]);
            Dbg_util_nl(lml, DBG_NL_STD);
        }
    }
    dbg_print(lml, MSG_INTL(MSG_TLS_STATBLOCK2), EC_XWORD(size),
        EC_XWORD(resv));
}

void
Dbg_tls_static_resv(Rt_map *lmp, ulong_t size, ulong_t resv)
{
    Lm_list *lml = LIST(lmp);

    if (DBG_NOTCLASS(DBG_C_TLS))
        return;

    Dbg_util_nl(lml, DBG_NL_STD);
    dbg_print(lml, MSG_INTL(MSG_TLS_STATBLOCK3), TLSMODID(lmp), NAME(lmp),
        EC_XWORD(size), EC_XWORD(resv));
}

void
Dbg_tls_modactivity(Lm_list *lml, void *vtlsmodent, uint_t flag)
{
    const char  *str;
    TLS_modinfo *tlsmodent;

    if (DBG_NOTCLASS(DBG_C_TLS))
        return;

    if (flag == TM_FLG_MODADD)
        str = MSG_INTL(MSG_TLS_ADD);
    else
        str = MSG_INTL(MSG_TLS_REMOVE);

    tlsmodent = (TLS_modinfo *)vtlsmodent;
    Dbg_util_nl(lml, DBG_NL_STD);
    dbg_print(lml, MSG_INTL(MSG_TLS_MODACT), str, tlsmodent->tm_modname);
    Dbg_tls_modent(lml, tlsmodent);
}