1 files changed, 81 insertions, 0 deletions
diff --git a/capstone/utils.h b/capstone/utils.h
new file mode 100644
index 000000000..520e0b419
--- /dev/null
+++ b/capstone/utils.h
@@ -0,0 +1,81 @@
+/* Capstone Disassembly Engine */
+/* By Nguyen Anh Quynh <aquynh@gmail.com>, 2013-2019 */
+
+#ifndef CS_UTILS_H
+#define CS_UTILS_H
+
+#if defined(CAPSTONE_HAS_OSXKERNEL)
+#include <libkern/libkern.h>
+#else
+#include <stddef.h>
+#include "include/capstone/capstone.h"
+#endif
+#include "cs_priv.h"
+
+// threshold number, so above this number will be printed in hexa mode
+#define HEX_THRESHOLD 9
+
+// map instruction to its characteristics
+typedef struct insn_map {
+	unsigned short id;
+	unsigned short mapid;
+#ifndef CAPSTONE_DIET
+	uint16_t regs_use[12]; // list of implicit registers used by this instruction
+	uint16_t regs_mod[20]; // list of implicit registers modified by this instruction
+	unsigned char groups[8]; // list of group this instruction belong to
+	bool branch;	// branch instruction?
+	bool indirect_branch;	// indirect branch instruction?
+#endif
+} insn_map;
+
+// look for @id in @m, given its size in @max. first time call will update @cache.
+// return 0 if not found
+unsigned short insn_find(const insn_map *m, unsigned int max, unsigned int id, unsigned short **cache);
+
+// map id to string
+typedef struct name_map {
+	unsigned int id;
+	const char *name;
+} name_map;
+
+// map a name to its ID
+// return 0 if not found
+int name2id(const name_map* map, int max, const char *name);
+
+// map ID to a name
+// return NULL if not found
+const char *id2name(const name_map* map, int max, const unsigned int id);
+
+// count number of positive members in a list.
+// NOTE: list must be guaranteed to end in 0
+unsigned int count_positive(const uint16_t *list);
+unsigned int count_positive8(const unsigned char *list);
+
+#define ARR_SIZE(a) (sizeof(a)/sizeof(a[0]))
+#define MATRIX_SIZE(a) (sizeof(a[0])/sizeof(a[0][0]))
+
+char *cs_strdup(const char *str);
+
+#define MIN(x, y) ((x) < (y) ? (x) : (y))
+
+// we need this since Windows doesn't have snprintf()
+int cs_snprintf(char *buffer, size_t size, const char *fmt, ...);
+
+#define CS_AC_IGNORE (1 << 7)
+
+// check if an id is existent in an array
+bool arr_exist8(unsigned char *arr, unsigned char max, unsigned int id);
+
+bool arr_exist(uint16_t *arr, unsigned char max, unsigned int id);
+
+struct IndexType {
+	uint16_t encoding;
+	unsigned index;
+};
+
+// binary search for encoding in IndexType array
+// return -1 if not found, or index if found
+unsigned int binsearch_IndexTypeEncoding(const struct IndexType *index, size_t size, uint16_t encoding);
+
+#endif
+