out_ht.cc

功能较全面的反汇编器：反汇编器ht-2.0.15.tar.gz

/* 
 *	HT Editor
 *	out_ht.cc
 *
 *	Copyright (C) 1999-2002 Sebastian Biallas ([e-mail])
 *
 *	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 "analy.h"
#include "atom.h"
#include "htctrl.h"
#include "htdebug.h"
#include "httag.h"
#include "htpal.h"
#include "out_ht.h"

#include <string.h>
#include <stdlib.h>

#define palclasskey_analyser		"analyser"
#define palkey_analyser_default		"default"

void AnalyserHTOutput::init(Analyser *Analy)
{
	analy_pal.data = NULL;
	analy_pal.size = 0;
	AnalyserOutput::init(Analy);
}

void AnalyserHTOutput::done()
{
	free(analy_pal.data);
	AnalyserOutput::done();
}

vcp AnalyserHTOutput::getcolor_analy(uint pal_index)
{
	return getcolorv(&analy_pal, pal_index);
}

void AnalyserHTOutput::reloadPalette()
{
	free(analy_pal.data);
	analy_pal.data = NULL;
	load_pal(palclasskey_analyser, palkey_analyser_default, &analy_pal);
}

void AnalyserHTOutput::beginAddr()
{
	AnalyserOutput::beginAddr();
}

void AnalyserHTOutput::beginLine()
{
	AnalyserOutput::beginLine();
	if (analy->mode & ANALY_SHOW_ADDRESS) {
		char temp[20];
		if (line == 0) {
#if 0
			char temp2[20];
			addr->stringify(temp2, sizeof temp2, ADDRESS_STRING_FORMAT_COMPACT);
			int s = strlen(temp2);
			int s2 = addr->stringSize();
			memset(temp, ' ', s2);
			memcpy(&temp[(s2-s)/2], temp2, s);
			temp[s2]=0;
#endif
			// FIXME:sda lksdfj
			addr->stringify(temp, sizeof temp, ADDRESS_STRING_FORMAT_LEADING_WHITESPACE);
			char temp2[20];
			last = addr->stringify(temp2, sizeof temp2, ADDRESS_STRING_FORMAT_COMPACT);
		} else {
			int s = addr->stringSize();
			memset(temp, ' ', s);
			memset(&temp[s-last], '.', last);
//			memcpy(&temp[(s-3)/2], "...", 3);
			temp[s] = 0;
		}
		// FIXME: buffer bla
		work_buffer = (byte *)tag_make_sel((TAGSTRING *)work_buffer, work_buffer_end-work_buffer, temp);
	}
	
	if (analy->explored->contains(addr)) {
		write(" ! ");
	} else {
		write("   ");
	}

	work_buffer_edit_bytes_insert = work_buffer;
}

void	AnalyserHTOutput::changeConfig()
{
	reloadPalette();
}

int	AnalyserHTOutput::elementLength(const char *s)
{
	return tag_strlen(s);
}

void	AnalyserHTOutput::endAddr()
{
	AnalyserOutput::endAddr();
}

void	AnalyserHTOutput::endLine()
{
	if ((analy->mode & ANALY_EDIT_BYTES) && bytes_line) {
		if (analy->validAddress(addr, scinitialized)) {

			// FIXME: bufferbla? and ugly
			FileOfs a = analy->addressToFileofs(addr);
			assert(a != INVALID_FILE_OFS);

			char workbuf2[1024];
			char *work_buffer2 = workbuf2;
			char *work_buffer2_end = workbuf2 + sizeof workbuf2 - 1;
			*work_buffer2_end = 0;
			
			a += bytes_line - want_bytes_line;
			
			for (int i=0; i < want_bytes_line; i++) {
				work_buffer2 = tag_make_edit_byte(work_buffer2, work_buffer2_end - work_buffer2, a+i);
			}
			for (int i=0; i <= analy->max_opcode_length*2-want_bytes_line*2; i++) {
				if (work_buffer2 < work_buffer2_end) {
					*work_buffer2++ = ' ';
				}
			}

			/* ugly */
			if (work_buffer + (work_buffer2-workbuf2) < work_buffer_end) {
				*work_buffer = 0;
				memmove(work_buffer_edit_bytes_insert+(work_buffer2-workbuf2), work_buffer_edit_bytes_insert, tag_strlen((char*)work_buffer_edit_bytes_insert));
				memcpy(work_buffer_edit_bytes_insert, workbuf2, (work_buffer2-workbuf2));
				work_buffer += (work_buffer2-workbuf2);
			}
		}
	}
	AnalyserOutput::endLine();
}

char *AnalyserHTOutput::externalLink(char *s, uint32 type1, uint32 type2, uint32 type3, uint32 type4, void *special)
{
	*(tag_make_ref(tmpbuffer, sizeof tmpbuffer, type1, type2, type3, type4, s)) = 0;
	return tmpbuffer;
}


char *AnalyserHTOutput::link(char *s, Address *Addr)
{
	// FIXNEW
	uint64 u;
	Addr->putIntoUInt64(u);
	*(tag_make_ref(tmpbuffer, sizeof tmpbuffer, u >> 32, u, 0, 0, s)) = 0;
	return tmpbuffer;
}

void AnalyserHTOutput::putElement(int element_type, const char *element)
{
	// bufferbla's
	switch (element_type) {
	case ELEMENT_TYPE_PRE_COMMENT:
		work_buffer = (byte *)tag_make_color((TAGSTRING *)work_buffer, work_buffer_end-work_buffer, getcolor_analy(palidx_analyser_comment));
		write(element);
		break;
	case ELEMENT_TYPE_COMMENT:
		work_buffer = (byte *)tag_make_color((TAGSTRING *)work_buffer, work_buffer_end-work_buffer, getcolor_analy(palidx_analyser_comment));
		write(element);
		break;
	case ELEMENT_TYPE_POST_COMMENT:
		work_buffer = (byte *)tag_make_color((TAGSTRING *)work_buffer, work_buffer_end-work_buffer, getcolor_analy(palidx_analyser_comment));
		write(element);
		break;
	case ELEMENT_TYPE_LABEL:
		work_buffer = (byte *)tag_make_color((TAGSTRING *)work_buffer, work_buffer_end-work_buffer, getcolor_analy(palidx_analyser_label));
		write(element);
		break;
	case ELEMENT_TYPE_DATA_CODE:
		write(element);
		break;
	case ELEMENT_TYPE_HIGHLIGHT_DATA_CODE:
		work_buffer = (byte *)tag_make_color((TAGSTRING *)work_buffer, work_buffer_end-work_buffer, getcolor_analy(palidx_analyser_default));
		write("  ");
		while (*element && work_buffer < work_buffer_end) {
			if (*element == '\e') {
				int len = tag_get_len(element);
				if (len > work_buffer_end - work_buffer) {
					memset(work_buffer, 0, work_buffer_end - work_buffer);
					work_buffer = work_buffer_end;
				} else {
					while (len--) *work_buffer++ = *element++;
				}
				continue;
			}
			if (*element == '\\') {
				element++;
				if (*element == '@') {
					element++;
					switch (*element) {
					case '#': // comment
						work_buffer = (byte *)tag_make_color((TAGSTRING *)work_buffer, work_buffer_end-work_buffer, getcolor_analy(palidx_analyser_comment));
						break;
					case 'c': // symbol
						work_buffer = (byte *)tag_make_color((TAGSTRING *)work_buffer, work_buffer_end-work_buffer, getcolor_analy(palidx_analyser_symbol));
						break;
					case 'd': // default
						work_buffer = (byte *)tag_make_color((TAGSTRING *)work_buffer, work_buffer_end-work_buffer, getcolor_analy(palidx_analyser_default));
						break;
					case 'n': // number
						work_buffer = (byte *)tag_make_color((TAGSTRING *)work_buffer, work_buffer_end-work_buffer, getcolor_analy(palidx_analyser_number));
						break;
					case 's': // string
						work_buffer = (byte *)tag_make_color((TAGSTRING *)work_buffer, work_buffer_end-work_buffer, getcolor_analy(palidx_analyser_string));
						break;
					}
					element++;
				} else {
					if (work_buffer_end - work_buffer < 2) {
						memset(work_buffer, 0, work_buffer_end - work_buffer);
						work_buffer = work_buffer_end;
					} else {
						*work_buffer++ = '\\';
						*work_buffer++ = *(element++);
					}
				}
				continue;
			}
			*work_buffer++ = *element++;
		}
		break;
	case ELEMENT_TYPE_INDENT_XREF:
		write("  ");
		break;
	}
}