/*****************************************************************************/

/*  pemagination: a (virtual) tour into portable bits and executable bytes   */

/*  Copyright (C) 2013,2014,2015  Z. Gilboa                                  */

/*  Released under GPLv2 and GPLv3; see COPYING.PEMAGINE.                    */

/*****************************************************************************/

#include <psxtypes/psxtypes.h>

#include <pemagine/pe_consts.h>

#include <pemagine/pe_structs.h>

#include <pemagine/pemagine.h>

#include "pe_impl.h"

pe_api

void * pe_get_image_special_hdr_addr(const void * base, uint32_t ordinal, uint32_t * sec_size)

{

	struct pe_raw_data_dirs*dirs;

	struct pe_block *	dir;

	uint32_t *		count;

	if (!(dirs = pe_get_image_data_dirs_addr(base)))

		return 0;

	count = (uint32_t *)dirs->rva_and_sizes;

	if (*count < (ordinal+1))

		return 0;

	dir = (struct pe_block *)dirs->export_tbl;

	dir += ordinal;

	if (sec_size)

		*sec_size = dir->size;

	return dir->rva

		? pe_va_from_rva(base,dir->rva)

		: 0;

}

pe_api

struct pe_export_hdr * pe_get_image_export_hdr_addr(const void * base, uint32_t * sec_size)

{

	return (struct pe_export_hdr *)pe_get_image_special_hdr_addr(base,PE_IMAGE_DATA_DIR_ORDINAL_EXPORT,sec_size);

}

pe_api

struct pe_import_hdr * pe_get_image_import_dir_addr(const void * base, uint32_t * sec_size)

{

	return (struct pe_import_hdr *)pe_get_image_special_hdr_addr(base,PE_IMAGE_DATA_DIR_ORDINAL_IMPORT,sec_size);

}