/* SPDX-License-Identifier: GPL-2.0 */#ifndef _LIB_UBSAN_H#define _LIB_UBSAN_H /* * ABI defined by Clang's UBSAN enum SanitizerHandler: * https://github.com/llvm/llvm-project/blob/release/16.x/clang/lib/CodeGen/CodeGenFunction.h#L113 */enum ubsan_checks {	ubsan_add_overflow,	ubsan_builtin_unreachable,	ubsan_cfi_check_fail,	ubsan_divrem_overflow,	ubsan_dynamic_type_cache_miss,	ubsan_float_cast_overflow,	ubsan_function_type_mismatch,	ubsan_implicit_conversion,	ubsan_invalid_builtin,	ubsan_invalid_objc_cast,	ubsan_load_invalid_value,	ubsan_missing_return,	ubsan_mul_overflow,	ubsan_negate_overflow,	ubsan_nullability_arg,	ubsan_nullability_return,	ubsan_nonnull_arg,	ubsan_nonnull_return,	ubsan_out_of_bounds,	ubsan_pointer_overflow,	ubsan_shift_out_of_bounds,	ubsan_sub_overflow,	ubsan_type_mismatch,	ubsan_alignment_assumption,	ubsan_vla_bound_not_positive,}; enum {	type_kind_int = 0,	type_kind_float = 1,	type_unknown = 0xffff}; struct type_descriptor {	u16 type_kind;	u16 type_info;	char type_name[];}; struct source_location {	const char *file_name;	union {		unsigned long reported;		struct {			u32 line;			u32 column;		};	};}; struct overflow_data {	struct source_location location;	struct type_descriptor *type;}; struct implicit_conversion_data {	struct source_location location;	struct type_descriptor *from_type;	struct type_descriptor *to_type;	unsigned char type_check_kind;}; struct type_mismatch_data {	struct source_location location;	struct type_descriptor *type;	unsigned long alignment;	unsigned char type_check_kind;}; struct type_mismatch_data_v1 {	struct source_location location;	struct type_descriptor *type;	unsigned char log_alignment;	unsigned char type_check_kind;}; struct type_mismatch_data_common {	struct source_location *location;	struct type_descriptor *type;	unsigned long alignment;	unsigned char type_check_kind;}; struct nonnull_arg_data {	struct source_location location;	struct source_location attr_location;	int arg_index;}; struct out_of_bounds_data {	struct source_location location;	struct type_descriptor *array_type;	struct type_descriptor *index_type;}; struct shift_out_of_bounds_data {	struct source_location location;	struct type_descriptor *lhs_type;	struct type_descriptor *rhs_type;}; struct unreachable_data {	struct source_location location;}; struct invalid_value_data {	struct source_location location;	struct type_descriptor *type;}; struct alignment_assumption_data {	struct source_location location;	struct source_location assumption_location;	struct type_descriptor *type;}; #if defined(CONFIG_ARCH_SUPPORTS_INT128)typedef __int128 s_max;typedef unsigned __int128 u_max;#elsetypedef s64 s_max;typedef u64 u_max;#endif /* * When generating Runtime Calls, Clang doesn't respect the -mregparm=3 * option used on i386: https://github.com/llvm/llvm-project/issues/89670 * Fix this for earlier Clang versions by forcing the calling convention * to use non-register arguments. */#if defined(CONFIG_X86_32) && \    defined(CONFIG_CC_IS_CLANG) && CONFIG_CLANG_VERSION < 190000# define ubsan_linkage asmlinkage#else# define ubsan_linkage#endif void ubsan_linkage __ubsan_handle_add_overflow(void *data, void *lhs, void *rhs);void ubsan_linkage __ubsan_handle_sub_overflow(void *data, void *lhs, void *rhs);void ubsan_linkage __ubsan_handle_mul_overflow(void *data, void *lhs, void *rhs);void ubsan_linkage __ubsan_handle_negate_overflow(void *_data, void *old_val);void ubsan_linkage __ubsan_handle_divrem_overflow(void *_data, void *lhs, void *rhs);void ubsan_linkage __ubsan_handle_implicit_conversion(void *_data, void *lhs, void *rhs);void ubsan_linkage __ubsan_handle_type_mismatch(struct type_mismatch_data *data, void *ptr);void ubsan_linkage __ubsan_handle_type_mismatch_v1(void *_data, void *ptr);void ubsan_linkage __ubsan_handle_out_of_bounds(void *_data, void *index);void ubsan_linkage __ubsan_handle_shift_out_of_bounds(void *_data, void *lhs, void *rhs);void ubsan_linkage __ubsan_handle_builtin_unreachable(void *_data);void ubsan_linkage __ubsan_handle_load_invalid_value(void *_data, void *val);void ubsan_linkage __ubsan_handle_alignment_assumption(void *_data, unsigned long ptr,						       unsigned long align,						       unsigned long offset); #endif