liblddbg/common/segments.c

/*
 * 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 2010 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#include    <stdio.h>
#include    "msg.h"
#include    "_debug.h"
#include    "libld.h"

/*
 * Print out a single `segment descriptor' entry.
 */
void
Dbg_seg_desc_entry(Lm_list *lml, uchar_t osabi, Half mach, int ndx,
    Sg_desc *sgp, Boolean space_nl)
{
    Conv_seg_flags_buf_t    seg_flags_buf;
    Aliste          idx;
    Sym_desc        *sdp;

    if (space_nl)
        Dbg_util_nl(lml, DBG_NL_STD);
    dbg_print(lml, MSG_ORIG(MSG_SEG_DESC), ndx);
    if (sgp->sg_name)
        dbg_print(lml, MSG_ORIG(MSG_SEG_NAME), sgp->sg_name);

    dbg_print(lml, MSG_ORIG(MSG_SEG_FLAGS),
        conv_seg_flags(sgp->sg_flags, &seg_flags_buf));

    Elf_phdr(lml, osabi, mach, &sgp->sg_phdr);

    if (sgp->sg_flags & FLG_SG_P_ALIGN)
        dbg_print(lml, MSG_ORIG(MSG_SEG_ALIGN),
            EC_ADDR(sgp->sg_align));

    if (sgp->sg_flags & FLG_SG_LENGTH)
        dbg_print(lml, MSG_ORIG(MSG_SEG_LENGTH),
            EC_ADDR(sgp->sg_length));

    if (sgp->sg_flags & FLG_SG_ROUND)
        dbg_print(lml, MSG_ORIG(MSG_SEG_ROUND),
            EC_ADDR(sgp->sg_round));

    if (aplist_nitems(sgp->sg_sizesym) > 0) {
        dbg_print(lml, MSG_ORIG(MSG_SEG_SIZESYM_TITLE));
        for (APLIST_TRAVERSE(sgp->sg_sizesym, idx, sdp))
            if (sdp->sd_name)
                dbg_print(lml, MSG_ORIG(MSG_SEG_SIZESYM),
                    Dbg_demangle_name(sdp->sd_name));
    }
    if (aplist_nitems(sgp->sg_is_order) > 0) {
        Aliste      idx;
        Ent_desc    *enp;

        dbg_print(lml, MSG_ORIG(MSG_SEG_IS_ORDER_TITLE));
        for (APLIST_TRAVERSE(sgp->sg_is_order, idx, enp))
            dbg_print(lml, MSG_ORIG(MSG_SEG_LIST_ITEM),
                enp->ec_name);
    }
    if (alist_nitems(sgp->sg_os_order) > 0) {
        Aliste      idx;
        Sec_order   *scop;

        dbg_print(lml, MSG_ORIG(MSG_SEG_OS_ORDER_TITLE));
        for (ALIST_TRAVERSE(sgp->sg_os_order, idx, scop))
            dbg_print(lml, MSG_ORIG(MSG_SEG_LIST_ITEM),
                scop->sco_secname);
    }
    if (space_nl)
        Dbg_util_nl(lml, DBG_NL_STD);
}

void
Dbg_seg_title(Lm_list *lml)
{
    if (DBG_NOTCLASS(DBG_C_SEGMENTS))
        return;

    Dbg_util_nl(lml, DBG_NL_STD);
    dbg_print(lml, MSG_INTL(MSG_SEG_DESC_INUSE));
}

void
Dbg_seg_entry(Ofl_desc *ofl, int ndx, Sg_desc *sgp)
{
    if (DBG_NOTCLASS(DBG_C_SEGMENTS))
        return;

    Dbg_seg_desc_entry(ofl->ofl_lml, ofl->ofl_dehdr->e_ident[EI_OSABI],
        ofl->ofl_dehdr->e_machine, ndx, sgp, TRUE);
}

/*
 * Print out the available segment descriptors.
 */
void
Dbg_seg_list(Lm_list *lml, uchar_t osabi, Half mach, APlist *apl)
{
    Aliste      idx;
    Sg_desc     *sgp;
    int     ndx = 0;

    if (DBG_NOTCLASS(DBG_C_SEGMENTS))
        return;

    Dbg_util_nl(lml, DBG_NL_STD);
    dbg_print(lml, MSG_INTL(MSG_SEG_DESC_AVAIL));
    for (APLIST_TRAVERSE(apl, idx, sgp))
        Dbg_seg_desc_entry(lml, osabi, mach, ndx++, sgp, TRUE);
}

/*
 * Print the output section information.  This includes the section header
 * information and the output elf buffer information.  If the detail flag is
 * set, traverse the input sections displaying all the input buffers that
 * have been concatenated to form this output buffer.
 */
void
Dbg_seg_os(Ofl_desc *ofl, Os_desc *osp, int ndx)
{
    Conv_inv_buf_t  inv_buf;
    Lm_list     *lml = ofl->ofl_lml;
    Aliste      idx;
    Is_desc     *isp;
    Elf_Data    *data;
    Shdr        *shdr;
    const char  *empty = MSG_ORIG(MSG_STR_EMPTY);
    int     os_isdescs_idx;

    if (DBG_NOTCLASS(DBG_C_SEGMENTS))
        return;

    dbg_print(lml, MSG_ORIG(MSG_SEC_NAME), ndx, osp->os_name);
    Elf_shdr(lml, ofl->ofl_dehdr->e_ident[EI_OSABI],
        ofl->ofl_dehdr->e_machine, osp->os_shdr);
    dbg_print(lml, MSG_INTL(MSG_EDATA_TITLE));

    shdr = osp->os_shdr;
    data = osp->os_outdata;
    dbg_print(lml, MSG_INTL(MSG_EDATA_ENTRY), MSG_INTL(MSG_STR_OUT),
        EC_ADDR(shdr->sh_addr), conv_elfdata_type(data->d_type, &inv_buf),
        EC_XWORD(data->d_size), EC_OFF(data->d_off),
        EC_XWORD(data->d_align), empty, empty, empty);

    if (DBG_NOTDETAIL())
        return;

    OS_ISDESCS_TRAVERSE(os_isdescs_idx, osp, idx, isp) {
        dbg_isec_name_buf_t buf;
        char            *alloc_mem;
        const char      *file, *str;
        Addr            addr;

        data = isp->is_indata;

        if (isp->is_flags & FLG_IS_DISCARD) {
            str = MSG_INTL(MSG_EDATA_IGNSCN);
            addr = 0;
        } else {
            str = empty;
            addr = (Addr)(shdr->sh_addr + data->d_off);
        }

        if (isp->is_file && isp->is_file->ifl_name)
            file = isp->is_file->ifl_name;
        else
            file = empty;

        dbg_print(lml, MSG_INTL(MSG_EDATA_ENTRY), MSG_INTL(MSG_STR_IN),
            EC_ADDR(addr), conv_elfdata_type(data->d_type, &inv_buf),
            EC_XWORD(data->d_size), EC_OFF(data->d_off),
            EC_XWORD(data->d_align), file,
            dbg_fmt_isec_name(isp, buf, &alloc_mem), str);
        if (alloc_mem != NULL)
            free(alloc_mem);
    }
}