liblddbg/common/bindings.c

	bindings.c revision d29b2c4438482eb00488be49a1f5d6835f455546
/*
 * 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    <sys/types.h>
#include    <string.h>
#include    <debug.h>
#include    <conv.h>
#include    "_debug.h"
#include    "msg.h"

void
Dbg_bind_plt_summary(Lm_list *lml, Half mach, Word pltcnt21d, Word pltcnt24d,
    Word pltcntu32, Word pltcntu44, Word pltcntfull, Word pltcntfar)
{
    Word plttotal = pltcnt21d + pltcnt24d + pltcntu32 +
        pltcntu44 + pltcntfull + pltcntfar;

    if (DBG_NOTCLASS(DBG_C_BINDINGS))
        return;

    switch (mach) {
    case EM_SPARC:
        dbg_print(lml, MSG_INTL(MSG_BND_PSUM_SPARC), EC_WORD(pltcnt21d),
            EC_WORD(pltcnt24d), EC_WORD(pltcntfull), EC_WORD(plttotal));
        break;
    case EM_SPARCV9:
        dbg_print(lml, MSG_INTL(MSG_BND_PSUM_SPARCV9),
            EC_WORD(pltcnt21d), EC_WORD(pltcnt24d), EC_WORD(pltcntu32),
            EC_WORD(pltcntu44), EC_WORD(pltcntfull), EC_WORD(pltcntfar),
            EC_WORD(plttotal));
        break;
    default:
        dbg_print(lml, MSG_INTL(MSG_BND_PSUM_DEFAULT),
            EC_WORD(plttotal));
        break;
    };
}

static const char   *pltbindtypes[PLT_T_NUM] = {
    MSG_ORIG(MSG_STR_EMPTY),    /* PLT_T_NONE */
    MSG_ORIG(MSG_PLT_21D),      /* PLT_T_21D */
    MSG_ORIG(MSG_PLT_24D),      /* PLT_T_24D */
    MSG_ORIG(MSG_PLT_U32),      /* PLT_T_U32 */
    MSG_ORIG(MSG_PLT_U44),      /* PLT_T_U44 */
    MSG_ORIG(MSG_PLT_FULL),     /* PLT_T_FULL */
    MSG_ORIG(MSG_PLT_FAR)       /* PLT_T_FAR */
};

#define BINFOSZ MSG_BINFO_START_SIZE + \
        MSG_BINFO_DIRECT_SIZE +     MSG_BINFO_SEP_SIZE + \
        MSG_BINFO_INTERPOSE_SIZE +  MSG_BINFO_SEP_SIZE + \
        MSG_BINFO_COPYREF_SIZE +    MSG_BINFO_SEP_SIZE + \
        MSG_BINFO_FILTEE_SIZE +     MSG_BINFO_SEP_SIZE + \
        MSG_BINFO_PLTADDR_SIZE + \
        CONV_INV_BUFSIZE + MSG_BINFO_END_SIZE


void
Dbg_bind_global(Rt_map *flmp, Addr fabs, Off foff, Xword pltndx,
    Pltbindtype pbtype, Rt_map *tlmp, Addr tabs, Off toff,
    const char *sym, uint_t binfo)
{
    static char binfostr[BINFOSZ];
    static Val_desc vda[] = {
        { DBG_BINFO_DIRECT, MSG_ORIG(MSG_BINFO_DIRECT) },
        { DBG_BINFO_INTERPOSE,  MSG_ORIG(MSG_BINFO_INTERPOSE) },
        { DBG_BINFO_COPYREF,    MSG_ORIG(MSG_BINFO_COPYREF) },
        { DBG_BINFO_FILTEE, MSG_ORIG(MSG_BINFO_FILTEE) },
        { DBG_BINFO_PLTADDR,    MSG_ORIG(MSG_BINFO_PLTADDR) },
        { 0,            0 }
    };
    static CONV_EXPN_FIELD_ARG conv_arg = { binfostr, sizeof (binfostr),
        vda, NULL, 0, 0, MSG_ORIG(MSG_BINFO_START),
        MSG_ORIG(MSG_BINFO_SEP), MSG_ORIG(MSG_BINFO_END) };

    const char  *ffile = NAME(flmp);
    const char  *tfile = NAME(tlmp);
    Lm_list     *lml = LIST(flmp);

    if (DBG_NOTCLASS(DBG_C_BINDINGS))
        return;

    if (DBG_NOTDETAIL()) {
        dbg_print(lml, MSG_INTL(MSG_BND_BASIC), ffile, tfile,
            Dbg_demangle_name(sym));
        return;
    }

    /*
     * Determine if this binding has any associated information, such as
     * interposition, direct binding, copy-relocations, etc.
     */
    binfo &= ~DBG_BINFO_FOUND;
    binfo &= DBG_BINFO_MSK;
    if (binfo) {
        conv_arg.oflags = conv_arg.rflags = binfo;
        (void) conv_expn_field(&conv_arg, 0);
    } else {
        binfostr[0] = '\0';
    }

    if (pltndx != (Xword)-1) {
        const char  *pltstring;

        if (pbtype < PLT_T_NUM)
            pltstring = pltbindtypes[pbtype];
        else
            pltstring = pltbindtypes[PLT_T_NONE];

        /*
         * Called from a plt offset.
         */
        dbg_print(lml, MSG_INTL(MSG_BND_PLT), ffile, EC_ADDR(fabs),
            EC_OFF(foff), EC_XWORD(pltndx), pltstring, tfile,
            EC_ADDR(tabs), EC_OFF(toff), Dbg_demangle_name(sym),
            binfostr);

    } else if ((fabs == 0) && (foff == 0)) {
        /*
         * Called from a dlsym().  We're not performing a relocation,
         * but are handing the address of the symbol back to the user.
         */
        dbg_print(lml, MSG_INTL(MSG_BND_DLSYM), ffile, tfile,
            EC_ADDR(tabs), EC_OFF(toff), Dbg_demangle_name(sym),
            binfostr);
    } else {
        /*
         * Standard relocation.
         */
        dbg_print(lml, MSG_INTL(MSG_BND_DEFAULT), ffile, EC_ADDR(fabs),
            EC_OFF(foff), tfile, EC_ADDR(tabs), EC_OFF(toff),
            Dbg_demangle_name(sym), binfostr);
    }
}

void
Dbg_bind_weak(Rt_map *flmp, Addr fabs, Addr frel, const char *sym)
{
    Lm_list     *lml = LIST(flmp);
    const char  *ffile = NAME(flmp);

    if (DBG_NOTCLASS(DBG_C_BINDINGS))
        return;

    if (DBG_NOTDETAIL())
        dbg_print(lml, MSG_INTL(MSG_BND_WEAK_1), ffile,
            Dbg_demangle_name(sym));
    else
        dbg_print(lml, MSG_INTL(MSG_BND_WEAK_2), ffile, EC_ADDR(fabs),
            EC_ADDR(frel), Dbg_demangle_name(sym));
}

#if defined(_ELF64)

void
Dbg_bind_pltpad_to(Rt_map *lmp, Addr pltpad, const char *dfile,
    const char *sname)
{
    if (DBG_NOTCLASS(DBG_C_RELOC))
        return;
    if (DBG_NOTDETAIL())
        return;

    dbg_print(LIST(lmp), MSG_INTL(MSG_BND_PLTPAD_TO), EC_ADDR(pltpad),
        NAME(lmp), dfile, sname);
}

void
Dbg_bind_pltpad_from(Rt_map *lmp, Addr pltpad, const char *sname)
{
    if (DBG_NOTCLASS(DBG_C_RELOC))
        return;
    if (DBG_NOTDETAIL())
        return;

    dbg_print(LIST(lmp), MSG_INTL(MSG_BND_PLTPAD_FROM), EC_ADDR(pltpad),
        NAME(lmp), sname);
}

#endif