analy_ia64.cc

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/* 
 *      HT Editor
 *      analy_ia64.cc
 *
 *      Copyright (C) 1999-2002 Sebastian Biallas (sb@web-productions.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 <string.h>

#include "analy_ia64.h"
#include "analy_register.h"
#include "ia64dis.h"
#include "htiobox.h"
#include "snprintf.h"

/*
 *
 */
void AnalyIA64Disassembler::init(Analyser *A)
{
        disasm = new IA64Disassembler();
        AnalyDisassembler::init(A);
}

/*
 *
 */
void AnalyIA64Disassembler::done()
{
        AnalyDisassembler::done();
}

OBJECT_ID AnalyIA64Disassembler::object_id() const
{
        return ATOM_ANALY_IA64;
}

/*
 *
 */
Address *AnalyIA64Disassembler::branchAddr(OPCODE *opcode, branch_enum_t branchtype, bool examine)
{
        IA64DisInsn *dis_insn = (IA64DisInsn*)opcode;
        IA64SlotDisInsn *slot = &dis_insn->slot[dis_insn->selected];
        for (int j=0; j<7; j++) {
                if (slot->op[j].type == IA64_OPERAND_ADDRESS) {
                        Address *addr = new AddressFlat64(slot->op[j].imm);
                        return addr;
                }
        }
        return new InvalidAddress();
}

Address *AnalyIA64Disassembler::createAddress(dword offset)
{
        return new AddressFlat32(offset);
}

/*
 *
 */
void AnalyIA64Disassembler::examineOpcode(OPCODE *opcode)
{
/*     IA64DisInsn *dis_insn = (IA64DisInsn*)opcode;
        IA64SlotDisInsn *slot = &dis_insn->slot[dis_insn->selected];
        for (int j=0; j<7; j++) {
                if (slot->op[j].type == IA64_OPERAND_ADDRESS) {
                        Address *addr = new AddressFlat64(slot->op[j].imm);
                        if (analy->validAddress(addr, scvalid)) {
                                taccess access;
                                xref_enum_t xref = xrefoffset;
                                access.type = acoffset;
                                access.indexed = false;
                                analy->dataAccess(addr, access);
                                analy->addXRef(addr, analy->addr, xref);
                        }
                }
        }*/
}

/*
 *
 */
branch_enum_t AnalyIA64Disassembler::isBranch(OPCODE *opcode)
{
        IA64DisInsn *dis_insn = (IA64DisInsn *) opcode;
        IA64SlotDisInsn *slot = &dis_insn->slot[dis_insn->selected];
        if (strncmp(slot->opcode->name, "br.", 3)==0) {
                if (strncmp(slot->opcode->name+3, "call", 4)==0) {
                        return br_call;
                } else if (strncmp(slot->opcode->name+3, "cond", 4)==0) {
                        if (slot->qp) {
                                return br_jXX;
                        } else {
                                return br_jump;
                        }
                } else if (strncmp(slot->opcode->name+3, "ret", 3)==0) {
                        if (!slot->qp) return br_return;
                }
        }
        return br_nobranch;
}

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