htmzimg.cc

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/* 
 *      HT Editor
 *      htmzimg.cc
 *
 *      Copyright (C) 1999-2002 Stefan Weyergraf (stefan@weyergraf.de)
 *
 *      This program is free software; you can redistribute it and/or modify
 *      it under the terms of the GNU General Public License version 2 as
 *      published by the Free Software Foundation.
 *
 *      This program is distributed in the hope that it will be useful,
 *      but WITHOUT ANY WARRANTY; without even the implied warranty of
 *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *      GNU General Public License for more details.
 *
 *      You should have received a copy of the GNU General Public License
 *      along with this program; if not, write to the Free Software
 *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include "htdisasm.h"
#include "htmz.h"
#include "htmzimg.h"
#include "htpal.h"
#include "htstring.h"
#include "htformat.h"
#include "formats.h"
#include "snprintf.h"
#include "x86asm.h"
#include "x86dis.h"

static ht_view *htmzimage_init(bounds *b, ht_streamfile *file, ht_format_group *group)
{
        ht_mz_shared_data *mz_shared=(ht_mz_shared_data *)group->get_shared_data();

        x86asm *assembler=new x86asm(X86_OPSIZE16, X86_ADDRSIZE16);
        x86dis *disassembler=new x86dis(X86_OPSIZE16, X86_ADDRSIZE16);

        dword o=mz_shared->header.header_size*16;
        ht_disasm_viewer *v=new ht_disasm_viewer();
        v->init(b, DESC_MZ_IMAGE, VC_EDIT | VC_GOTO | VC_SEARCH, file, group, assembler, disassembler, 1);
        ht_mask_sub *m=new ht_mask_sub();
        m->init(file, 0);
        char info[128];
        ht_snprintf(info, sizeof info, "* MZ image at offset %08x", o);
        m->add_mask(info);
        v->insertsub(m);

        ht_disasm_sub *d=new ht_disasm_sub();
        d->init(file, o, (mz_shared->header.sizep-1)*512+
                mz_shared->header.sizelp,
                disassembler, false, X86DIS_STYLE_OPTIMIZE_ADDR);

        v->insertsub(d);

        v->sendmsg(msg_complete_init, 0);

        viewer_pos p;
        v->clear_viewer_pos(&p);
        p.u.sub = d;
        p.u.tag_idx = 0;

        if (d->convert_ofs_to_id(o+mz_shared->header.cs*16+
        mz_shared->header.ip, &p.u.line_id)) {
                v->goto_pos(p, false);
        }

        return v;
}

format_viewer_if htmzimage_if = {
        htmzimage_init,
        0
};

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