Undefined Behavior Sanitization

2026-03-28 21:09:08 +01:00
parent 89259ec9b2
commit 3cd38f654c
5 changed files with 237 additions and 10 deletions
@@ -0,0 +1,59 @@
+/*
+ * @author  xamidev <xamidev@riseup.net>
+ * @brief   Undefined behavior sanitization hooks
+ * @license GPL-3.0-only
+ */
+
+#ifndef UBSAN_H
+#define UBSAN_H
+
+#include <stdint.h>
+
+struct ubsan_source_location
+{
+	const char* filename;
+	uint32_t line;
+	uint32_t column;
+};
+
+struct ubsan_type_descriptor
+{
+	uint16_t type_kind;
+	uint16_t type_info;
+	char type_name[];
+};
+
+struct ubsan_type_mismatch_v1_data
+{
+	struct ubsan_source_location location;
+	struct ubsan_type_descriptor* type;
+	unsigned char log_alignment;
+	unsigned char type_check_kind;
+};
+
+struct ubsan_pointer_overflow_data
+{
+	struct ubsan_source_location location;
+};
+
+struct ubsan_shift_out_of_bounds_data
+{
+	struct ubsan_source_location location;
+	struct ubsan_type_descriptor* lhs_type;
+	struct ubsan_type_descriptor* rhs_type;
+};
+
+struct ubsan_invalid_value_data
+{
+	struct ubsan_source_location location;
+	struct ubsan_type_descriptor* type;
+};
+
+struct ubsan_out_of_bounds_data
+{
+	struct ubsan_source_location location;
+	struct ubsan_type_descriptor* array_type;
+	struct ubsan_type_descriptor* index_type;
+};
+
+#endif