589 lines
17 KiB
C++
589 lines
17 KiB
C++
/*
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* Interactive disassembler (IDA).
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* Copyright (c) 1990-2001 by Ilfak Guilfanov.
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* ALL RIGHTS RESERVED.
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* FIDO: 2:5020/209
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* E-mail: ig@datarescue.com
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*
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*/
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#include "h8.hpp"
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#include <diskio.hpp>
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#include <frame.hpp>
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#include <segregs.hpp>
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#include <ieee.h>
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int data_id;
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//--------------------------------------------------------------------------
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static const char *const register_names[] =
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{
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"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
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"e0", "e1", "e2", "e3", "e4", "e5", "e6", "e7",
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"r0h", "r1h", "r2h", "r3h", "r4h", "r5h", "r6h", "r7h",
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"r0l", "r1l", "r2l", "r3l", "r4l", "r5l", "r6l", "r7l",
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"er0", "er1", "er2", "er3", "er4", "er5", "er6", "er7",
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"macl", "mach",
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"pc",
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"ccr", "exr",
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"cs","ds", // virtual registers for code and data segments
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"vbr", "sbr",
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};
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//--------------------------------------------------------------------------
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static const char *const register_names_sp_er7[] =
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{
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"r0", "r1", "r2", "r3", "r4", "r5", "r6", "sp",
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"e0", "e1", "e2", "e3", "e4", "e5", "e6", "e7",
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"r0h", "r1h", "r2h", "r3h", "r4h", "r5h", "r6h", "r7h",
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"r0l", "r1l", "r2l", "r3l", "r4l", "r5l", "r6l", "r7l",
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"er0", "er1", "er2", "er3", "er4", "er5", "er6", "er7",
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"macl", "mach",
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"pc",
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"ccr", "exr",
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"cs","ds", // virtual registers for code and data segments
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"vbr", "sbr",
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};
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//--------------------------------------------------------------------------
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static const char *const register_names_r7_sp[] =
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{
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"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
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"e0", "e1", "e2", "e3", "e4", "e5", "e6", "e7",
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"r0h", "r1h", "r2h", "r3h", "r4h", "r5h", "r6h", "r7h",
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"r0l", "r1l", "r2l", "r3l", "r4l", "r5l", "r6l", "r7l",
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"er0", "er1", "er2", "er3", "er4", "er5", "er6", "sp",
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"macl", "mach",
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"pc",
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"ccr", "exr",
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"cs","ds", // virtual registers for code and data segments
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"vbr", "sbr",
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};
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//--------------------------------------------------------------------------
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static const uchar startcode_0[] = { 0x01, 0x00, 0x6D, 0xF3 }; // push.l er3
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static const uchar startcode_1[] = { 0x6D, 0xF3 }; // push.w r3
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static const bytes_t startcodes[] =
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{
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{ sizeof(startcode_0), startcode_0 },
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{ sizeof(startcode_1), startcode_1 },
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{ 0, NULL }
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};
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//-----------------------------------------------------------------------
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// GNU ASM
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//-----------------------------------------------------------------------
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static const asm_t gas =
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{
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AS_ASCIIC|AS_ALIGN2|ASH_HEXF3|ASD_DECF0|ASB_BINF3|ASO_OCTF1|AS_COLON|AS_N2CHR|AS_NCMAS|AS_ONEDUP,
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0,
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"GNU assembler",
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0,
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NULL, // header lines
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".org", // org
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NULL, // end
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";", // comment string
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'"', // string delimiter
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'"', // char delimiter
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"\"", // special symbols in char and string constants
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".ascii", // ascii string directive
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".byte", // byte directive
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".word", // word directive
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".long", // double words
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NULL, // qwords
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NULL, // oword (16 bytes)
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".float", // float (4 bytes)
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".double", // double (8 bytes)
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NULL, // tbyte (10/12 bytes)
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NULL, // packed decimal real
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NULL, // arrays (#h,#d,#v,#s(...)
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".space %s", // uninited arrays
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"=", // equ
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NULL, // 'seg' prefix (example: push seg seg001)
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NULL, // current IP (instruction pointer)
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NULL, // func_header
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NULL, // func_footer
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".globl", // "public" name keyword
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NULL, // "weak" name keyword
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".extern", // "extrn" name keyword
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// .extern directive requires an explicit object size
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".comm", // "comm" (communal variable)
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NULL, // get_type_name
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".align", // "align" keyword
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'(', ')', // lbrace, rbrace
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"%", // mod
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"&", // and
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"|", // or
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"^", // xor
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"~", // not
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"<<", // shl
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">>", // shr
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NULL, // sizeof_fmt
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0, // flag2
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NULL, // cmnt2
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NULL, // low8
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NULL, // high8
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NULL, // low16
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NULL, // high16
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"#include \"%s\"", // a_include_fmt
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NULL, // a_vstruc_fmt
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NULL, // a_rva
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NULL, // a_yword
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};
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//-----------------------------------------------------------------------
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// HEW ASM
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//-----------------------------------------------------------------------
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const asm_t hew =
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{
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AS_ASCIIC|AS_ALIGN2|ASH_HEXF1|ASD_DECF0|ASO_OCTF7|ASB_BINF4|AS_COLON|AS_N2CHR|AS_NCMAS|AS_ONEDUP,
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UAS_HEW,
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"HEW assembler",
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0,
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NULL, // header lines
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".org", // org
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".end", // end
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";", // comment string
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'"', // string delimiter
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'"', // char delimiter
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"\"", // special symbols in char and string constants
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".sdata", // ascii string directive
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".data.b", // byte directive
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".data.w", // word directive
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".data.l", // double words
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NULL, // qwords
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NULL, // oword (16 bytes)
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".float", // float (4 bytes)
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".double", // double (8 bytes)
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NULL, // tbyte (10/12 bytes)
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NULL, // packed decimal real
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NULL, // arrays (#h,#d,#v,#s(...)
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".res %s", // uninited arrays
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": .assign", // equ that allows set/reset values
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//": .equ", // equ (does not allow for reuse)
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//": .reg (%s)",// equ for regs (does not allow for reuse)
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//": .bequ", // equ for bits (does not allow for reuse)
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NULL, // 'seg' prefix (example: push seg seg001)
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"$", // current IP (instruction pointer)
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NULL, // func_header
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NULL, // func_footer
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".global", // "public" name keyword
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NULL, // "weak" name keyword
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".global", // "extrn" name keyword
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".comm", // "comm" (communal variable)
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NULL, // get_type_name
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".align", // "align" keyword
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'(', ')', // lbrace, rbrace
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"%", // mod
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"&", // and
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"|", // or
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"~", // xor
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"~", // not
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"<<", // shl
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">>", // shr
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"sizeof", // sizeof_fmt
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0, // flag2
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NULL, // cmnt2
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"low", // low8
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"high", // high8
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"lword", // low16
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"hword", // high16
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".include \"%s\"", // a_include_fmt
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NULL, // a_vstruc_fmt
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NULL, // a_rva
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NULL, // a_yword
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};
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static const asm_t *const asms[] = { &gas, &hew, NULL };
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//--------------------------------------------------------------------------
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static const char cfgname[] = "h8.cfg";
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void h8_iohandler_t::get_cfg_filename(char *buf, size_t bufsize)
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{
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qstrncpy(buf, cfgname, bufsize);
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}
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//--------------------------------------------------------------------------
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const char *h8_t::find_sym(ea_t address)
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{
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const ioport_t *port = find_ioport(ioh.ports, address);
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return port ? port->name.c_str() : NULL;
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}
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//-------------------------------------------------------------------------
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void h8_t::load_from_idb()
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{
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ioh.restore_device();
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}
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//--------------------------------------------------------------------------
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const char *h8_t::set_idp_options(
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const char *keyword,
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int /*value_type*/,
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const void * /*value*/,
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bool /*idb_loaded*/)
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{
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if ( keyword != NULL )
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return IDPOPT_BADKEY;
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if ( choose_ioport_device(&ioh.device, cfgname) )
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ioh.set_device_name(ioh.device.c_str(), IORESP_NONE);
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return IDPOPT_OK;
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}
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//--------------------------------------------------------------------------
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static const proctype_t ptypes[] =
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{
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P300, // h8300
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P300 | MODE_ADV, // h8300a
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P300 | P2000 | P2600, // h8s300
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P300 | MODE_ADV | P2000 | P2600, // h8s300a
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P300 | P2000 | P2600 | PSX, // h8sxn
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P300 | MODE_MID | P2000 | P2600 | PSX, // h8sxm
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P300 | MODE_ADV | P2000 | P2600 | PSX, // h8sxa
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P300 | MODE_MAX | P2000 | P2600 | PSX, // h8sx
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P300 | MODE_ADV | SUBM_TINY, // h8368
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};
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//--------------------------------------------------------------------------
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void h8_t::set_cpu(int cpuno)
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{
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ptype = ptypes[cpuno];
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// bool keep_cfg = va_argi(va, bool);
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if ( advanced() && !is_tiny() )
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{
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ph.flag |= PR_DEFSEG32;
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}
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if ( is_h8sx() )
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{
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ph.flag |= PR_SEGS;
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ph.reg_last_sreg = SBR;
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ph.segreg_size = 4;
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}
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}
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//----------------------------------------------------------------------
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// This old-style callback only returns the processor module object.
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static ssize_t idaapi notify(void *, int msgid, va_list)
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{
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if ( msgid == processor_t::ev_get_procmod )
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return size_t(SET_MODULE_DATA(h8_t));
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return 0;
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}
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//--------------------------------------------------------------------------
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ssize_t idaapi h8_t::on_event(ssize_t msgid, va_list va)
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{
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int ret = 0;
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switch ( msgid )
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{
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case processor_t::ev_init:
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// __emit__(0xCC); // debugger trap
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helper.create(PROCMOD_NODE_NAME);
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inf_set_be(true);
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break;
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case processor_t::ev_term:
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ioh.ports.clear();
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clr_module_data(data_id);
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break;
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case processor_t::ev_newasm: // new assembler type selected
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{
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int asmnum = va_arg(va, int);
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bool hew_asm = asmnum == 1;
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if ( advanced() )
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ph.reg_names = hew_asm ? register_names : register_names_r7_sp;
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else
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ph.reg_names = hew_asm ? register_names : register_names_sp_er7;
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}
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break;
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case processor_t::ev_newfile: // new file loaded
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if ( choose_ioport_device(&ioh.device, cfgname) )
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ioh.set_device_name(ioh.device.c_str(), IORESP_NONE);
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if ( is_h8sx() )
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{
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set_default_sreg_value(NULL, VBR, 0);
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set_default_sreg_value(NULL, SBR, 0xFFFFFF00);
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}
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break;
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case processor_t::ev_ending_undo:
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// restore ptype
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set_cpu(ph.get_proc_index());
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//fall through
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case processor_t::ev_oldfile: // old file loaded
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load_from_idb();
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break;
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case processor_t::ev_newprc: // new processor type
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set_cpu(va_arg(va, int));
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break;
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case processor_t::ev_creating_segm: // new segment
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break;
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case processor_t::ev_is_jump_func:
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{
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const func_t *pfn = va_arg(va, const func_t *);
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ea_t *jump_target = va_arg(va, ea_t *);
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ret = is_jump_func(pfn, jump_target);
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}
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break;
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case processor_t::ev_is_sane_insn:
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{
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const insn_t &insn = *va_arg(va, insn_t *);
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int no_crefs = va_arg(va, int);
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ret = is_sane_insn(insn, no_crefs) == 1 ? 1 : -1;
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}
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break;
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case processor_t::ev_may_be_func:
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// can a function start here?
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// arg: none, the instruction is in 'cmd'
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// returns: probability 0..100
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// 'cmd' structure is filled upon the entrace
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// the idp module is allowed to modify 'cmd'
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{
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const insn_t &insn = *va_arg(va, insn_t *);
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ret = may_be_func(insn);
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}
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break;
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case processor_t::ev_gen_regvar_def:
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{
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outctx_t *ctx = va_arg(va, outctx_t *);
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regvar_t *v = va_arg(va, regvar_t*);
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if ( is_hew_asm() )
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{
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ctx->gen_printf(0,
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COLSTR("%s", SCOLOR_REG)
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COLSTR(": .reg (", SCOLOR_SYMBOL)
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COLSTR("%s", SCOLOR_REG)
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COLSTR(")", SCOLOR_SYMBOL),
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v->user, v->canon);
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ret = 1;
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}
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}
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break;
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case processor_t::ev_is_ret_insn:
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{
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const insn_t &insn = *va_arg(va, insn_t *);
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ret = is_return_insn(insn) ? 1 : -1;
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}
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break;
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case processor_t::ev_out_mnem:
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{
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outctx_t *ctx = va_arg(va, outctx_t *);
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out_mnem(*ctx);
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return 1;
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}
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case processor_t::ev_out_header:
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{
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outctx_t *ctx = va_arg(va, outctx_t *);
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h8_header(*ctx);
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return 1;
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}
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case processor_t::ev_out_footer:
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{
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outctx_t *ctx = va_arg(va, outctx_t *);
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h8_footer(*ctx);
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return 1;
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}
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case processor_t::ev_out_segstart:
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{
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outctx_t *ctx = va_arg(va, outctx_t *);
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segment_t *seg = va_arg(va, segment_t *);
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h8_segstart(*ctx, seg);
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return 1;
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}
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case processor_t::ev_out_segend:
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{
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outctx_t *ctx = va_arg(va, outctx_t *);
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segment_t *seg = va_arg(va, segment_t *);
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h8_segend(*ctx, seg);
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return 1;
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}
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case processor_t::ev_out_assumes:
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{
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outctx_t *ctx = va_arg(va, outctx_t *);
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h8_assumes(*ctx);
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return 1;
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}
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case processor_t::ev_ana_insn:
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{
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insn_t *out = va_arg(va, insn_t *);
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return ana(out);
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}
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case processor_t::ev_emu_insn:
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{
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const insn_t *insn = va_arg(va, const insn_t *);
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return emu(*insn) ? 1 : -1;
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}
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case processor_t::ev_out_insn:
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{
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outctx_t *ctx = va_arg(va, outctx_t *);
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out_insn(*ctx);
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return 1;
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}
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case processor_t::ev_out_operand:
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{
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outctx_t *ctx = va_arg(va, outctx_t *);
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const op_t *op = va_arg(va, const op_t *);
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return out_opnd(*ctx, *op) ? 1 : -1;
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}
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case processor_t::ev_is_switch:
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{
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switch_info_t *si = va_arg(va, switch_info_t *);
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const insn_t *insn = va_arg(va, const insn_t *);
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return h8_is_switch(si, *insn) ? 1 : -1;
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}
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case processor_t::ev_is_sp_based:
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{
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int *mode = va_arg(va, int *);
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const insn_t *insn = va_arg(va, const insn_t *);
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const op_t *op = va_arg(va, const op_t *);
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*mode = is_sp_based(*insn, *op);
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return 1;
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}
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case processor_t::ev_create_func_frame:
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{
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func_t *pfn = va_arg(va, func_t *);
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create_func_frame(pfn);
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return 1;
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}
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case processor_t::ev_get_frame_retsize:
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{
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int *frsize = va_arg(va, int *);
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const func_t *pfn = va_arg(va, const func_t *);
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*frsize = h8_get_frame_retsize(pfn);
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return 1;
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}
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case processor_t::ev_gen_stkvar_def:
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{
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outctx_t *ctx = va_arg(va, outctx_t *);
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const member_t *mptr = va_arg(va, const member_t *);
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sval_t v = va_arg(va, sval_t);
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h8_gen_stkvar_def(*ctx, mptr, v);
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return 1;
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}
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case processor_t::ev_set_idp_options:
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{
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const char *keyword = va_arg(va, const char *);
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int value_type = va_arg(va, int);
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const char *value = va_arg(va, const char *);
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const char **errmsg = va_arg(va, const char **);
|
|
bool idb_loaded = va_argi(va, bool);
|
|
const char *retstr = set_idp_options(keyword, value_type, value, idb_loaded);
|
|
if ( retstr == IDPOPT_OK )
|
|
return 1;
|
|
if ( errmsg != NULL )
|
|
*errmsg = retstr;
|
|
return -1;
|
|
}
|
|
|
|
case processor_t::ev_is_align_insn:
|
|
{
|
|
ea_t ea = va_arg(va, ea_t);
|
|
return h8_is_align_insn(ea);
|
|
}
|
|
|
|
|
|
default:
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------
|
|
#define FAMILY "Hitachi H8:"
|
|
static const char *const shnames[] =
|
|
{
|
|
"h8300", "h8300a", "h8s300", "h8s300a",
|
|
"h8sxn", "h8sxm", "h8sxa", "h8sx", "h8368", NULL
|
|
};
|
|
static const char *const lnames[] =
|
|
{
|
|
FAMILY"Hitachi H8/300H normal",
|
|
"Hitachi H8/300H advanced",
|
|
"Hitachi H8S normal",
|
|
"Hitachi H8S advanced",
|
|
"Hitachi H8SX normal",
|
|
"Hitachi H8SX middle",
|
|
"Hitachi H8SX advanced",
|
|
"Hitachi H8SX maximum",
|
|
"Renesas H8/3687 Group",
|
|
NULL
|
|
};
|
|
|
|
//-----------------------------------------------------------------------
|
|
// Processor Definition
|
|
//-----------------------------------------------------------------------
|
|
processor_t LPH =
|
|
{
|
|
IDP_INTERFACE_VERSION, // version
|
|
PLFM_H8, // id
|
|
// flag
|
|
PRN_HEX
|
|
| PR_USE32
|
|
| PR_WORD_INS,
|
|
// flag2
|
|
PR2_IDP_OPTS, // the module has processor-specific configuration options
|
|
8, // 8 bits in a byte for code segments
|
|
8, // 8 bits in a byte for other segments
|
|
|
|
shnames,
|
|
lnames,
|
|
|
|
asms,
|
|
|
|
notify,
|
|
|
|
register_names, // Register names
|
|
qnumber(register_names), // Number of registers
|
|
|
|
rVcs, // first
|
|
rVds, // last
|
|
0, // size of a segment register
|
|
rVcs, rVds,
|
|
|
|
startcodes, // start sequences
|
|
NULL, // see is_ret_insn callback in the notify() function
|
|
|
|
H8_null,
|
|
H8_last,
|
|
Instructions, // instruc
|
|
0, // int tbyte_size; -- doesn't exist
|
|
{ 0, 7, 15, 0 }, // char real_width[4];
|
|
// number of symbols after decimal point
|
|
// 2byte float (0-does not exist)
|
|
// normal float
|
|
// normal double
|
|
// long double
|
|
H8_rts, // Icode of return instruction. It is ok to give any of possible return instructions
|
|
};
|