initial commit.

1 files changed, 33 insertions, 0 deletions

diff --git a/src/headers/pe_get_image_data_dirs_addr.c b/src/headers/pe_get_image_data_dirs_addr.c
new file mode 100644
index 0000000..d0167c0
--- /dev/null
+++ b/src/headers/pe_get_image_data_dirs_addr.c
@@ -0,0 +1,33 @@
+/*****************************************************************************/
+/*  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>
+
+pe_api
+struct pe_data_dirs * pe_get_image_data_dirs_addr(const void * base)
+{
+	uint16_t *		magic;
+	union pe_opt_hdr *	hdr;
+
+	if (!(hdr = pe_get_image_opt_hdr_addr(base)))
+		return 0;
+
+	magic = (uint16_t *)hdr;
+
+	switch (*magic) {
+		case PE_MAGIC_PE32:
+			return (struct pe_data_dirs *)hdr->opt_hdr_32.rva_and_sizes;
+
+		case PE_MAGIC_PE32_PLUS:
+			return (struct pe_data_dirs *)hdr->opt_hdr_64.rva_and_sizes;
+
+		default:
+			return 0;
+	}
+}