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/**
* @namespace biew_plugins_auto
* @file plugins/bin/aout.c
* @brief This file contains implementation of a.out file format decoder.
* @version -
* @remark this source file is part of Binary vIEW project (BIEW).
* The Binary vIEW (BIEW) is copyright (C) 1995 Nick Kurshev.
* All rights reserved. This software is redistributable under the
* licence given in the file "Licence.en" ("Licence.ru" in russian
* translation) distributed in the BIEW archive.
* @note Requires POSIX compatible development system
*
* @author Nick Kurshev
* @since 1999
* @note Development, fixes and improvements
**/
#include <stdio.h>
#include <string.h>
#include "colorset.h"
#include "bmfile.h"
#include "biewutil.h"
#include "bin_util.h"
#include "biewhelp.h"
#include "bconsole.h"
#include "reg_form.h"
#include "plugins/disasm.h"
#define ARCH_SIZE 32
#include "plugins/bin/aout64.h"
#include "biewlib/kbd_code.h"
#include "biewlib/biewlib.h"
static const char * __NEAR__ __FASTCALL__ aout_encode_hdr(unsigned long info)
{
switch(info & 0x0000FFFFUL)
{
case OMAGIC: return " a.out: Object file ";
case NMAGIC: return " a.out: Pure executable ";
case ZMAGIC: return " a.out: Demand-paged executable ";
case BMAGIC: return " b.out: Object file ";
case QMAGIC: return " a.out: 386BSD demand-paged executable ";
default: return " Unknow a.out or b.out format ";
}
}
static unsigned long __FASTCALL__ ShowAOutHeader( void )
{
struct external_exec aout;
unsigned long fpos;
unsigned keycode;
TWindow *w;
fpos = BMGetCurrFilePos();
bmReadBufferEx(&aout,sizeof(struct external_exec),0,SEEKF_START);
w = CrtDlgWndnls(aout_encode_hdr(*((unsigned long *)&aout.e_info)),54,7);
twGotoXY(1,1);
twPrintF("Length of text section = %08lXH\n"
"Length of data section = %08lXH\n"
"Length of bss area = %08lXH\n"
"Length of symbol table = %08lXH\n"
,*((unsigned long *)&aout.e_text)
,*((unsigned long *)&aout.e_data)
,*((unsigned long *)&aout.e_bss)
,*((unsigned long *)&aout.e_syms));
twSetColorAttr(dialog_cset.entry);
twPrintF("Start address = %08lXH"
,*((unsigned long *)&aout.e_entry));
twClrEOL(); twPrintF("\n");
twSetColorAttr(dialog_cset.main);
twPrintF("Length of text relocation = %08lXH\n"
"Length of data relocation = %08lXH"
,*((unsigned long *)&aout.e_trsize)
,*((unsigned long *)&aout.e_drsize));
while(1)
{
keycode = GetEvent(drawEmptyPrompt,w);
if(keycode == KE_ENTER) { fpos = *((unsigned long *)&aout.e_entry); break; }
else
if(keycode == KE_ESCAPE || keycode == KE_F(10)) break;
}
CloseWnd(w);
return fpos;
}
static tBool __FASTCALL__ aout_check_fmt( void )
{
unsigned short id;
id = bmReadWordEx(0,SEEKF_START);
return !(N_BADMAG(id));
}
static void __FASTCALL__ aout_init_fmt( void ) {}
static void __FASTCALL__ aout_destroy_fmt( void ) {}
static int __FASTCALL__ aout_bitness(unsigned long off)
{
UNUSED(off);
return DAB_USE32;
}
static tBool __FASTCALL__ aout_AddrResolv(char *addr,unsigned long fpos)
{
/* Since this function is used in references resolving of disassembler
it must be seriously optimized for speed. */
tBool bret = True;
if(fpos < sizeof(struct external_exec))
{
strcpy(addr,"a.outh:");
strcpy(&addr[7],Get2Digit(fpos));
}
else bret = False;
return bret;
}
static unsigned long __FASTCALL__ aout_help( void )
{
hlpDisplay(10000);
return BMGetCurrFilePos();
}
static int __FASTCALL__ aout_platform( void ) { return DISASM_CPU_IX86; }
REGISTRY_BIN aoutTable =
{
"a.out (Assembler and link Output)",
{ "AOutHl", NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL },
{ aout_help, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL },
aout_check_fmt,
aout_init_fmt,
aout_destroy_fmt,
ShowAOutHeader,
NULL,
NULL,
aout_platform,
aout_bitness,
aout_AddrResolv,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL
};
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