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/* SPDX-License-Identifier: GPL-2.0 */
/*
* A minimal header declaring types added by KMSAN to existing kernel structs.
*
* Copyright (C) 2017-2022 Google LLC
* Author: Alexander Potapenko <glider@google.com>
*
*/
#ifndef _LINUX_KMSAN_TYPES_H
#define _LINUX_KMSAN_TYPES_H
/* These constants are defined in the MSan LLVM instrumentation pass. */
#define KMSAN_RETVAL_SIZE 800
#define KMSAN_PARAM_SIZE 800
struct kmsan_context_state {
char param_tls[KMSAN_PARAM_SIZE];
char retval_tls[KMSAN_RETVAL_SIZE];
char va_arg_tls[KMSAN_PARAM_SIZE];
char va_arg_origin_tls[KMSAN_PARAM_SIZE];
u64 va_arg_overflow_size_tls;
char param_origin_tls[KMSAN_PARAM_SIZE];
u32 retval_origin_tls;
};
#undef KMSAN_PARAM_SIZE
#undef KMSAN_RETVAL_SIZE
struct kmsan_ctx {
struct kmsan_context_state cstate;
int kmsan_in_runtime;
bool allow_reporting;
};
#endif /* _LINUX_KMSAN_TYPES_H */
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