initial commit.

1 files changed, 43 insertions, 0 deletions

diff --git a/src/meta/pe_get_image_stack_heap_info.c b/src/meta/pe_get_image_stack_heap_info.c
new file mode 100644
index 0000000..ec1aba9
--- /dev/null
+++ b/src/meta/pe_get_image_stack_heap_info.c
@@ -0,0 +1,43 @@
+/*****************************************************************************/
+/*  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
+int pe_get_image_stack_heap_info(const void * base, struct pe_stack_heap_info * stack_heap_info)
+{
+	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:
+			stack_heap_info->size_of_stack_reserve = *(uint32_t *)hdr->opt_hdr_32.size_of_stack_reserve;
+			stack_heap_info->size_of_stack_commit  = *(uint32_t *)hdr->opt_hdr_32.size_of_stack_commit;
+			stack_heap_info->size_of_heap_reserve  = *(uint32_t *)hdr->opt_hdr_32.size_of_heap_reserve;
+			stack_heap_info->size_of_heap_commit   = *(uint32_t *)hdr->opt_hdr_32.size_of_heap_commit;
+			break;
+
+		case PE_MAGIC_PE32_PLUS:
+			stack_heap_info->size_of_stack_reserve = *(size_t *)hdr->opt_hdr_64.size_of_stack_reserve;
+			stack_heap_info->size_of_stack_commit  = *(size_t *)hdr->opt_hdr_64.size_of_stack_commit;
+			stack_heap_info->size_of_heap_reserve  = *(size_t *)hdr->opt_hdr_64.size_of_heap_reserve;
+			stack_heap_info->size_of_heap_commit   = *(size_t *)hdr->opt_hdr_64.size_of_heap_commit;
+			break;
+
+		default:
+			return -1;
+	}
+
+	return 0;
+}