Asm
/* $Id$ */
/* Copyright (c) 2012-2015 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Devel Asm */
/* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, version 3 of the License.
*
* 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "../src/format.c"
/* AsmFormat */
/* private */
/* constants */
extern AsmFormatPluginDefinition format_plugin_dex;
extern AsmFormatPluginDefinition format_plugin_elf;
extern AsmFormatPluginDefinition format_plugin_flat;
extern AsmFormatPluginDefinition format_plugin_java;
extern AsmFormatPluginDefinition format_plugin_mbr;
extern AsmFormatPluginDefinition format_plugin_pe;
static struct
{
char const * name;
AsmFormatPluginDefinition * definition;
} _formats[] =
{
{ "dex", NULL },
{ "elf", NULL },
{ "flat", NULL },
{ "java", NULL },
{ "mbr", NULL },
{ "pe", NULL }
};
/* prototypes */
static void _format_init(void);
/* public */
/* functions */
/* format_new */
AsmFormat * format_new(char const * format)
{
AsmFormat * f;
AsmFormatPluginDefinition * definition = NULL;
size_t i;
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s(\"%s\")\n", __func__, format);
#endif
_format_init();
if(format == NULL)
{
error_set_code(1, "%s", strerror(EINVAL));
return NULL;
}
for(i = 0; i < sizeof(_formats) / sizeof(*_formats); i++)
if(strcmp(_formats[i].name, format) == 0)
{
definition = _formats[i].definition;
break;
}
if(definition == NULL)
{
error_set_code(1, "%s: %s", format, "Unsupported format");
return NULL;
}
if((f = object_new(sizeof(*f))) == NULL)
return NULL;
f->handle = NULL;
f->definition = definition;
f->plugin = NULL;
memset(&f->helper, 0, sizeof(f->helper));
f->helper.format = f;
f->helper.decode = _format_helper_decode;
f->helper.get_filename = _format_helper_get_filename;
f->helper.get_function_by_id = _format_helper_get_function_by_id;
f->helper.get_functions = _format_helper_get_functions;
f->helper.get_section_by_id = _format_helper_get_section_by_id;
f->helper.get_string_by_id = _format_helper_get_string_by_id;
f->helper.set_function = _format_helper_set_function;
f->helper.set_section = _format_helper_set_section;
f->helper.set_string = _format_helper_set_string;
f->helper.read = _format_helper_read;
f->helper.seek = _format_helper_seek;
f->helper.write = _format_helper_write;
return f;
}
/* format_new_match */
AsmFormat * format_new_match(char const * filename, FILE * fp)
{
AsmFormat * format;
size_t i;
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s(\"%s\", %p)\n", __func__, filename, fp);
#endif
_format_init();
if(filename == NULL || fp == NULL)
{
error_set_code(1, "%s", strerror(EINVAL));
return NULL;
}
for(i = 0; i < sizeof(_formats) / sizeof(*_formats); i++)
{
if((format = format_new(_formats[i].name)) == NULL)
continue;
if(format_init(format, NULL, filename, fp) == 0
&& format_match(format) > 0)
return format;
format_delete(format);
}
return NULL;
}
/* private */
/* functions */
static void _format_init(void)
{
if(_formats[0].definition == NULL)
{
_formats[0].definition = &format_plugin_dex;
_formats[1].definition = &format_plugin_elf;
_formats[2].definition = &format_plugin_flat;
_formats[3].definition = &format_plugin_java;
_formats[4].definition = &format_plugin_mbr;
_formats[5].definition = &format_plugin_pe;
}
}