Blame src/headers/pe_get_image_special_hdr_addr.c

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/*****************************************************************************/
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/*  pemagination: a (virtual) tour into portable bits and executable bytes   */
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/*  Copyright (C) 2013,2014,2015  Z. Gilboa                                  */
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/*  Released under GPLv2 and GPLv3; see COPYING.PEMAGINE.                    */
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/*****************************************************************************/
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#include <psxtypes/psxtypes.h>
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#include <pemagine/pe_consts.h>
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#include <pemagine/pe_structs.h>
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#include <pemagine/pemagine.h>
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#include "pe_impl.h"
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pe_api
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void * pe_get_image_special_hdr_addr(const void * base, uint32_t ordinal, uint32_t * sec_size)
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{
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	struct pe_raw_data_dirs*dirs;
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	struct pe_block *	dir;
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	uint32_t *		count;
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	if (!(dirs = pe_get_image_data_dirs_addr(base)))
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		return 0;
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	count = (uint32_t *)dirs->rva_and_sizes;
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	if (*count < (ordinal+1))
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		return 0;
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	dir = (struct pe_block *)dirs->export_tbl;
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	dir += ordinal;
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	if (sec_size)
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		*sec_size = dir->size;
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	return dir->rva
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		? pe_va_from_rva(base,dir->rva)
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		: 0;
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}
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pe_api
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struct pe_export_hdr * pe_get_image_export_hdr_addr(const void * base, uint32_t * sec_size)
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{
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	return (struct pe_export_hdr *)pe_get_image_special_hdr_addr(base,PE_IMAGE_DATA_DIR_ORDINAL_EXPORT,sec_size);
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}
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pe_api
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struct pe_import_hdr * pe_get_image_import_dir_addr(const void * base, uint32_t * sec_size)
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{
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	return (struct pe_import_hdr *)pe_get_image_special_hdr_addr(base,PE_IMAGE_DATA_DIR_ORDINAL_IMPORT,sec_size);
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}