Files
2021-10-31 21:20:46 +02:00

199 lines
4.7 KiB
C++

/*
* Panasonic MN102 (PanaXSeries) processor module for IDA.
* Copyright (c) 2000-2006 Konstantin Norvatoff, <konnor@bk.ru>
* Freeware.
*/
#include "pan.hpp"
//----------------------------------------------------------------------
class out_mn102_t : public outctx_t
{
out_mn102_t(void) = delete; // not used
public:
void OutVarName(const op_t &x);
bool out_operand(const op_t &x);
void out_insn(void);
};
CASSERT(sizeof(out_mn102_t) == sizeof(outctx_t));
DECLARE_OUT_FUNCS_WITHOUT_OUTMNEM(out_mn102_t)
//----------------------------------------------------------------------
void out_mn102_t::OutVarName(const op_t &x)
{
ea_t toea = map_code_ea(insn, x);
if ( !out_name_expr(x, toea, x.addr) )
{
out_value(x, OOF_ADDR | OOF_NUMBER | OOFS_NOSIGN | OOFW_32);
remember_problem(PR_NONAME, insn.ea);
}
}
//----------------------------------------------------------------------
// print one operand
bool out_mn102_t::out_operand(const op_t & x)
{
switch ( x.type )
{
// memory reference with a regsiter
// (disp,Ri)
case o_displ:
out_symbol('(');
out_value(x);
out_symbol(',');
out_register(ph.reg_names[x.reg]);
out_symbol(')');
break;
// register
case o_reg:
if ( x.reg&0x80 )
out_symbol('(');
if ( x.reg&0x10 )
{
out_register(ph.reg_names[((x.reg>>5)&3)+rD0]);
out_symbol(',');
}
out_register(ph.reg_names[x.reg&0x0F]);
if ( x.reg&0x80 )
out_symbol(')');
break;
// immediate operand
case o_imm:
refinfo_t ri;
// micro bug-fix
if ( get_refinfo(&ri, insn.ea, x.n) )
{
if ( ri.flags == REF_OFF16 )
set_refinfo(insn.ea, x.n, REF_OFF32, ri.target, ri.base, ri.tdelta);
}
out_value(x, /*OOFS_NOSIGN | */ OOF_SIGNED | OOFW_IMM);
break;
// code reference
case o_near:
OutVarName(x);
break;
// direct memory reference
case o_mem:
out_symbol('(');
OutVarName(x);
out_symbol(')');
break;
// nothing for void
case o_void:
return 0;
// unknown operand
default:
warning("out: %a: bad optype %d",insn.ea,x.type);
break;
}
return 1;
}
//----------------------------------------------------------------------
// main instruction printer
void out_mn102_t::out_insn(void)
{
// print mnemonic
out_mnemonic();
// print first operands
if ( insn.Op1.type != o_void )
out_one_operand(0);
// second operand
if ( insn.Op2.type != o_void )
{
out_symbol(',');
out_char(' ');
out_one_operand(1);
// third operand
if ( insn.Op3.type != o_void )
{
out_symbol(',');
out_char(' ');
out_one_operand(2);
}
}
out_immchar_cmts();
flush_outbuf();
}
//--------------------------------------------------------------------------
// listing header
void mn102_t::mn102_header(outctx_t &ctx)
{
ctx.gen_header(GH_PRINT_ALL_BUT_BYTESEX, ioh.device.c_str(), ioh.deviceparams.c_str());
}
//--------------------------------------------------------------------------
// segment header
//lint -esym(1764, ctx) could be made const
//lint -esym(818, Sarea) could be made const
void mn102_t::mn102_segstart(outctx_t &ctx, segment_t *Sarea) const
{
ea_t ea = ctx.insn_ea;
const char *SegType = Sarea->type == SEG_CODE ? "CSEG"
: Sarea->type == SEG_DATA ? "DSEG"
: "RSEG";
// print RSEG <NAME>
qstring sn;
get_visible_segm_name(&sn, Sarea);
ctx.gen_printf(-1, "%s %s ", SegType, sn.c_str());
// if org is not zero, print it
if ( (inf_get_outflags() & OFLG_GEN_ORG) != 0 )
{
ea_t org = ea - get_segm_base(Sarea);
if ( org != 0 )
{
char bufn[MAX_NUMBUF];
btoa(bufn, sizeof(bufn), org);
ctx.gen_printf(-1, "%s %s", ash.origin, bufn);
}
}
}
//--------------------------------------------------------------------------
// end of listing
void mn102_t::mn102_footer(outctx_t &ctx) const
{
if ( ash.end != NULL )
{
ctx.gen_empty_line();
ctx.out_line(ash.end, COLOR_ASMDIR);
qstring name;
if ( get_colored_name(&name, inf_get_start_ea()) > 0 )
{
size_t i = strlen(ash.end);
do
ctx.out_char(' ');
while ( ++i < 8 );
ctx.out_line(name.begin());
}
ctx.flush_outbuf(DEFAULT_INDENT);
}
else
{
ctx.gen_cmt_line("end of file");
}
}
//--------------------------------------------------------------------------
void idaapi mn102_data(outctx_t &ctx, bool analyze_only)
{
ea_t ea = ctx.insn_ea;
// micro bug-fix
refinfo_t ri;
if ( get_refinfo(&ri, ea, 0) && ri.flags == REF_OFF16 )
set_refinfo(ea, 0, REF_OFF32, ri.target, ri.base, ri.tdelta);
ctx.out_data(analyze_only);
}