#include "opt_ddb.h"
#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/bus.h>
#include <sys/conf.h>
#include <sys/cpu.h>
#include <sys/csan.h>
#include <sys/proc.h>
#include <sys/smp.h>
#include <sys/systm.h>
#include <ddb/ddb.h>
#include <ddb/db_sym.h>
#include <machine/csan.h>
#include <machine/atomic.h>
#include <sys/atomic_san.h>
#include <machine/bus.h>
#include <sys/bus_san.h>

Include dependency graph for subr_csan.c:

Data Structures
struct	csan_cell_t

struct	csan_cpu_t

Macros
#define	SAN_RUNTIME

#define	REPORT printf

#define	__RET_ADDR (uintptr_t)__builtin_return_address(0)

#define	KCSAN_NACCESSES 1024

#define	KCSAN_DELAY 10 /* 10 microseconds */

#define	CSAN_READ(size)

#define	CSAN_WRITE(size)

#define	_CSAN_ATOMIC_FUNC_ADD(name, type)

#define	CSAN_ATOMIC_FUNC_ADD(name, type)

#define	_CSAN_ATOMIC_FUNC_CLEAR(name, type)

#define	CSAN_ATOMIC_FUNC_CLEAR(name, type)

#define	_CSAN_ATOMIC_FUNC_CMPSET(name, type)

#define	CSAN_ATOMIC_FUNC_CMPSET(name, type)

#define	_CSAN_ATOMIC_FUNC_FCMPSET(name, type)

#define	CSAN_ATOMIC_FUNC_FCMPSET(name, type)

#define	CSAN_ATOMIC_FUNC_FETCHADD(name, type)

#define	_CSAN_ATOMIC_FUNC_LOAD(name, type)

#define	CSAN_ATOMIC_FUNC_LOAD(name, type)

#define	CSAN_ATOMIC_FUNC_READANDCLEAR(name, type)

#define	_CSAN_ATOMIC_FUNC_SET(name, type)

#define	CSAN_ATOMIC_FUNC_SET(name, type)

#define	_CSAN_ATOMIC_FUNC_SUBTRACT(name, type)

#define	CSAN_ATOMIC_FUNC_SUBTRACT(name, type)

#define	_CSAN_ATOMIC_FUNC_STORE(name, type)

#define	CSAN_ATOMIC_FUNC_STORE(name, type)

#define	CSAN_ATOMIC_FUNC_SWAP(name, type)

#define	CSAN_ATOMIC_FUNC_TESTANDCLEAR(name, type)

#define	CSAN_ATOMIC_FUNC_TESTANDSET(name, type)

#define	CSAN_ATOMIC_FUNC_THREAD_FENCE(name)

#define	CSAN_BUS_READ_FUNC(func, width, type)

#define	CSAN_BUS_READ_PTR_FUNC(func, width, type)

#define	CSAN_BUS_WRITE_FUNC(func, width, type)

#define	CSAN_BUS_WRITE_PTR_FUNC(func, width, type)

#define	CSAN_BUS_SET_FUNC(func, width, type)

#define	CSAN_BUS_PEEK_FUNC(width, type)

#define	CSAN_BUS_POKE_FUNC(width, type)

Functions
	__FBSDID ("$FreeBSD$")

static void	kcsan_enable (void *dummy __unused)

	SYSINIT (kcsan_enable, SI_SUB_SMP, SI_ORDER_SECOND, kcsan_enable, NULL)

void	kcsan_cpu_init (u_int cpu)

static void	kcsan_report (csan_cell_t new, u_int newcpu, csan_cell_t old, u_int oldcpu)

static bool	kcsan_access_is_atomic (csan_cell_t new, csan_cell_t old)

static void	kcsan_access (uintptr_t addr, size_t size, bool write, bool atomic, uintptr_t pc)

void	__tsan_read_range (uintptr_t, size_t)

void	__tsan_write_range (uintptr_t, size_t)

void	__tsan_init (void)

void	__tsan_func_entry (void *)

void	__tsan_func_exit (void)

void *	kcsan_memcpy (void dst, const void src, size_t len)

int	kcsan_memcmp (const void b1, const void b2, size_t len)

void *	kcsan_memset (void *b, int c, size_t len)

void *	kcsan_memmove (void dst, const void src, size_t len)

char *	kcsan_strcpy (char dst, const char src)

int	kcsan_strcmp (const char s1, const char s2)

size_t	kcsan_strlen (const char *str)

int	kcsan_copyin (const void uaddr, void kaddr, size_t len)

int	kcsan_copyinstr (const void uaddr, void kaddr, size_t len, size_t *done)

int	kcsan_copyout (const void kaddr, void uaddr, size_t len)

void	kcsan_atomic_interrupt_fence (void)

int	kcsan_bus_space_map (bus_space_tag_t tag, bus_addr_t hnd, bus_size_t size, int flags, bus_space_handle_t *handlep)

void	kcsan_bus_space_unmap (bus_space_tag_t tag, bus_space_handle_t hnd, bus_size_t size)

int	kcsan_bus_space_subregion (bus_space_tag_t tag, bus_space_handle_t hnd, bus_size_t offset, bus_size_t size, bus_space_handle_t *handlep)

int	kcsan_bus_space_alloc (bus_space_tag_t tag, bus_addr_t reg_start, bus_addr_t reg_end, bus_size_t size, bus_size_t alignment, bus_size_t boundary, int flags, bus_addr_t addrp, bus_space_handle_t handlep)

void	kcsan_bus_space_free (bus_space_tag_t tag, bus_space_handle_t hnd, bus_size_t size)

void	kcsan_bus_space_barrier (bus_space_tag_t tag, bus_space_handle_t hnd, bus_size_t offset, bus_size_t size, int flags)

Variables
static csan_cpu_t	kcsan_cpus [MAXCPU]

static bool kcsan_enabled	__read_mostly

Macro Definition Documentation

◆ __RET_ADDR

#define __RET_ADDR (uintptr_t)__builtin_return_address(0)

Definition at line 76 of file subr_csan.c.

◆ _CSAN_ATOMIC_FUNC_ADD

#define _CSAN_ATOMIC_FUNC_ADD	(	name,
		type
	)

Value:

        void kcsan_atomic_add_##name(volatile type *ptr, type val)      \
        {                                                               \
                kcsan_access((uintptr_t)ptr, sizeof(type), true, true,  \
                    __RET_ADDR);                                        \
                atomic_add_##name(ptr, val);                            \
        }

Definition at line 379 of file subr_csan.c.

◆ _CSAN_ATOMIC_FUNC_CLEAR

#define _CSAN_ATOMIC_FUNC_CLEAR	(	name,
		type
	)

Value:

        void kcsan_atomic_clear_##name(volatile type *ptr, type val)    \
        {                                                               \
                kcsan_access((uintptr_t)ptr, sizeof(type), true, true,  \
                    __RET_ADDR);                                        \
                atomic_clear_##name(ptr, val);                          \
        }

Definition at line 392 of file subr_csan.c.

◆ _CSAN_ATOMIC_FUNC_CMPSET

#define _CSAN_ATOMIC_FUNC_CMPSET	(	name,
		type
	)

Value:

        int kcsan_atomic_cmpset_##name(volatile type *ptr, type val1,   \
            type val2)                                                  \
        {                                                               \
                kcsan_access((uintptr_t)ptr, sizeof(type), true, true,  \
                    __RET_ADDR);                                        \
                return (atomic_cmpset_##name(ptr, val1, val2));         \
        }

Definition at line 405 of file subr_csan.c.

◆ _CSAN_ATOMIC_FUNC_FCMPSET

#define _CSAN_ATOMIC_FUNC_FCMPSET	(	name,
		type
	)

Value:

        int kcsan_atomic_fcmpset_##name(volatile type *ptr, type *val1, \
            type val2)                                                  \
        {                                                               \
                kcsan_access((uintptr_t)ptr, sizeof(type), true, true,  \
                    __RET_ADDR);                                        \
                return (atomic_fcmpset_##name(ptr, val1, val2));        \
        }

Definition at line 419 of file subr_csan.c.

◆ _CSAN_ATOMIC_FUNC_LOAD

#define _CSAN_ATOMIC_FUNC_LOAD	(	name,
		type
	)

Value:

        type kcsan_atomic_load_##name(volatile type *ptr)               \
        {                                                               \
                kcsan_access((uintptr_t)ptr, sizeof(type), false, true, \
                    __RET_ADDR);                                        \
                return (atomic_load_##name(ptr));                       \
        }

Definition at line 441 of file subr_csan.c.

◆ _CSAN_ATOMIC_FUNC_SET

#define _CSAN_ATOMIC_FUNC_SET	(	name,
		type
	)

Value:

        void kcsan_atomic_set_##name(volatile type *ptr, type val)      \
        {                                                               \
                kcsan_access((uintptr_t)ptr, sizeof(type), true, true,  \
                    __RET_ADDR);                                        \
                atomic_set_##name(ptr, val);                            \
        }

Definition at line 461 of file subr_csan.c.

◆ _CSAN_ATOMIC_FUNC_STORE

#define _CSAN_ATOMIC_FUNC_STORE	(	name,
		type
	)

Value:

        void kcsan_atomic_store_##name(volatile type *ptr, type val)    \
        {                                                               \
                kcsan_access((uintptr_t)ptr, sizeof(type), true, true,  \
                    __RET_ADDR);                                        \
                atomic_store_##name(ptr, val);                          \
        }

Definition at line 487 of file subr_csan.c.

◆ _CSAN_ATOMIC_FUNC_SUBTRACT

#define _CSAN_ATOMIC_FUNC_SUBTRACT	(	name,
		type
	)

Value:

        void kcsan_atomic_subtract_##name(volatile type *ptr, type val) \
        {                                                               \
                kcsan_access((uintptr_t)ptr, sizeof(type), true, true,  \
                    __RET_ADDR);                                        \
                atomic_subtract_##name(ptr, val);                       \
        }

Definition at line 474 of file subr_csan.c.

◆ CSAN_ATOMIC_FUNC_ADD

#define CSAN_ATOMIC_FUNC_ADD	(	name,
		type
	)

Value:

        _CSAN_ATOMIC_FUNC_ADD(name, type)                               \
        _CSAN_ATOMIC_FUNC_ADD(acq_##name, type)                         \
        _CSAN_ATOMIC_FUNC_ADD(rel_##name, type)

Definition at line 387 of file subr_csan.c.

◆ CSAN_ATOMIC_FUNC_CLEAR

#define CSAN_ATOMIC_FUNC_CLEAR	(	name,
		type
	)

Value:

        _CSAN_ATOMIC_FUNC_CLEAR(name, type)                             \
        _CSAN_ATOMIC_FUNC_CLEAR(acq_##name, type)                       \
        _CSAN_ATOMIC_FUNC_CLEAR(rel_##name, type)

Definition at line 400 of file subr_csan.c.

◆ CSAN_ATOMIC_FUNC_CMPSET

#define CSAN_ATOMIC_FUNC_CMPSET	(	name,
		type
	)

Value:

        _CSAN_ATOMIC_FUNC_CMPSET(name, type)                            \
        _CSAN_ATOMIC_FUNC_CMPSET(acq_##name, type)                      \
        _CSAN_ATOMIC_FUNC_CMPSET(rel_##name, type)

Definition at line 414 of file subr_csan.c.

◆ CSAN_ATOMIC_FUNC_FCMPSET

#define CSAN_ATOMIC_FUNC_FCMPSET	(	name,
		type
	)

Value:

        _CSAN_ATOMIC_FUNC_FCMPSET(name, type)                           \
        _CSAN_ATOMIC_FUNC_FCMPSET(acq_##name, type)                     \
        _CSAN_ATOMIC_FUNC_FCMPSET(rel_##name, type)

Definition at line 428 of file subr_csan.c.

◆ CSAN_ATOMIC_FUNC_FETCHADD

#define CSAN_ATOMIC_FUNC_FETCHADD	(	name,
		type
	)

Value:

        type kcsan_atomic_fetchadd_##name(volatile type *ptr, type val) \
        {                                                               \
                kcsan_access((uintptr_t)ptr, sizeof(type), true, true,  \
                    __RET_ADDR);                                        \
                return (atomic_fetchadd_##name(ptr, val));              \
        }

Definition at line 433 of file subr_csan.c.

◆ CSAN_ATOMIC_FUNC_LOAD

#define CSAN_ATOMIC_FUNC_LOAD	(	name,
		type
	)

Value:

_CSAN_ATOMIC_FUNC_LOAD(name, type) \

_CSAN_ATOMIC_FUNC_LOAD(acq_##name, type) \

_CSAN_ATOMIC_FUNC_LOAD

#define _CSAN_ATOMIC_FUNC_LOAD(name, type)

Definition: subr_csan.c:441

Definition at line 449 of file subr_csan.c.

◆ CSAN_ATOMIC_FUNC_READANDCLEAR

#define CSAN_ATOMIC_FUNC_READANDCLEAR	(	name,
		type
	)

Value:

        type kcsan_atomic_readandclear_##name(volatile type *ptr)       \
        {                                                               \
                kcsan_access((uintptr_t)ptr, sizeof(type), true, true,  \
                    __RET_ADDR);                                        \
                return (atomic_readandclear_##name(ptr));               \
        }

Definition at line 453 of file subr_csan.c.

◆ CSAN_ATOMIC_FUNC_SET

#define CSAN_ATOMIC_FUNC_SET	(	name,
		type
	)

Value:

        _CSAN_ATOMIC_FUNC_SET(name, type)                               \
        _CSAN_ATOMIC_FUNC_SET(acq_##name, type)                         \
        _CSAN_ATOMIC_FUNC_SET(rel_##name, type)

Definition at line 469 of file subr_csan.c.

◆ CSAN_ATOMIC_FUNC_STORE

#define CSAN_ATOMIC_FUNC_STORE	(	name,
		type
	)

Value:

_CSAN_ATOMIC_FUNC_STORE(name, type) \

_CSAN_ATOMIC_FUNC_STORE(rel_##name, type)

_CSAN_ATOMIC_FUNC_STORE

#define _CSAN_ATOMIC_FUNC_STORE(name, type)

Definition: subr_csan.c:487

Definition at line 495 of file subr_csan.c.

◆ CSAN_ATOMIC_FUNC_SUBTRACT

#define CSAN_ATOMIC_FUNC_SUBTRACT	(	name,
		type
	)

Value:

        _CSAN_ATOMIC_FUNC_SUBTRACT(name, type)                          \
        _CSAN_ATOMIC_FUNC_SUBTRACT(acq_##name, type)                    \
        _CSAN_ATOMIC_FUNC_SUBTRACT(rel_##name, type)

Definition at line 482 of file subr_csan.c.

◆ CSAN_ATOMIC_FUNC_SWAP

#define CSAN_ATOMIC_FUNC_SWAP	(	name,
		type
	)

Value:

        type kcsan_atomic_swap_##name(volatile type *ptr, type val)     \
        {                                                               \
                kcsan_access((uintptr_t)ptr, sizeof(type), true, true,  \
                    __RET_ADDR);                                        \
                return(atomic_swap_##name(ptr, val));                   \
        }

Definition at line 499 of file subr_csan.c.

◆ CSAN_ATOMIC_FUNC_TESTANDCLEAR

#define CSAN_ATOMIC_FUNC_TESTANDCLEAR	(	name,
		type
	)

Value:

        int kcsan_atomic_testandclear_##name(volatile type *ptr, u_int val) \
        {                                                               \
                kcsan_access((uintptr_t)ptr, sizeof(type), true, true,  \
                    __RET_ADDR);                                        \
                return(atomic_testandclear_##name(ptr, val));           \
        }

Definition at line 507 of file subr_csan.c.

◆ CSAN_ATOMIC_FUNC_TESTANDSET

#define CSAN_ATOMIC_FUNC_TESTANDSET	(	name,
		type
	)

Value:

        int kcsan_atomic_testandset_##name(volatile type *ptr, u_int val) \
        {                                                               \
                kcsan_access((uintptr_t)ptr, sizeof(type), true, true,  \
                    __RET_ADDR);                                        \
                return (atomic_testandset_##name(ptr, val));            \
        }

Definition at line 515 of file subr_csan.c.

◆ CSAN_ATOMIC_FUNC_THREAD_FENCE

#define CSAN_ATOMIC_FUNC_THREAD_FENCE ( name )

Value:

        void kcsan_atomic_thread_fence_##name(void)                     \
        {                                                               \
                atomic_thread_fence_##name();                           \
        }

Definition at line 662 of file subr_csan.c.

◆ CSAN_BUS_PEEK_FUNC

#define CSAN_BUS_PEEK_FUNC	(	width,
		type
	)

Value:

        int kcsan_bus_space_peek_##width(bus_space_tag_t tag,           \
            bus_space_handle_t hnd, bus_size_t offset, type *value)     \
        {                                                               \
                kcsan_access((uintptr_t)value, sizeof(type), true, false, \
                    __RET_ADDR);                                        \
                return (bus_space_peek_##width(tag, hnd, offset, value)); \
        }

Definition at line 874 of file subr_csan.c.

◆ CSAN_BUS_POKE_FUNC

#define CSAN_BUS_POKE_FUNC	(	width,
		type
	)

Value:

        int kcsan_bus_space_poke_##width(bus_space_tag_t tag,           \
            bus_space_handle_t hnd, bus_size_t offset, type value)      \
        {                                                               \
                return (bus_space_poke_##width(tag, hnd, offset, value)); \
        }

Definition at line 890 of file subr_csan.c.

◆ CSAN_BUS_READ_FUNC

#define CSAN_BUS_READ_FUNC	(	func,
		width,
		type
	)

Value:

        type kcsan_bus_space_read##func##_##width(bus_space_tag_t tag,  \
            bus_space_handle_t hnd, bus_size_t offset)                  \
        {                                                               \
                return (bus_space_read##func##_##width(tag, hnd,        \
                    offset));                                           \
        }                                                               \

Definition at line 738 of file subr_csan.c.

◆ CSAN_BUS_READ_PTR_FUNC

#define CSAN_BUS_READ_PTR_FUNC	(	func,
		width,
		type
	)

Value:

        void kcsan_bus_space_read_##func##_##width(bus_space_tag_t tag, \
            bus_space_handle_t hnd, bus_size_t size, type *buf,         \
            bus_size_t count)                                           \
        {                                                               \
                kcsan_access((uintptr_t)buf, sizeof(type) * count,      \
                    false, false, __RET_ADDR);                          \
                bus_space_read_##func##_##width(tag, hnd, size, buf,    \
                    count);                                             \
        }

Definition at line 746 of file subr_csan.c.

◆ CSAN_BUS_SET_FUNC

#define CSAN_BUS_SET_FUNC	(	func,
		width,
		type
	)

Value:

        void kcsan_bus_space_set_##func##_##width(bus_space_tag_t tag,  \
            bus_space_handle_t hnd, bus_size_t offset, type value,      \
            bus_size_t count)                                           \
        {                                                               \
                bus_space_set_##func##_##width(tag, hnd, offset, value, \
                    count);                                             \
        }

Definition at line 835 of file subr_csan.c.

◆ CSAN_BUS_WRITE_FUNC

#define CSAN_BUS_WRITE_FUNC	(	func,
		width,
		type
	)

Value:

        void kcsan_bus_space_write##func##_##width(bus_space_tag_t tag,         \
            bus_space_handle_t hnd, bus_size_t offset, type value)      \
        {                                                               \
                bus_space_write##func##_##width(tag, hnd, offset, value); \
        }                                                               \

Definition at line 787 of file subr_csan.c.

◆ CSAN_BUS_WRITE_PTR_FUNC

#define CSAN_BUS_WRITE_PTR_FUNC	(	func,
		width,
		type
	)

Value:

        void kcsan_bus_space_write_##func##_##width(bus_space_tag_t tag, \
            bus_space_handle_t hnd, bus_size_t size, const type *buf,   \
            bus_size_t count)                                           \
        {                                                               \
                kcsan_access((uintptr_t)buf, sizeof(type) * count,      \
                    true, false, __RET_ADDR);                           \
                bus_space_write_##func##_##width(tag, hnd, size, buf,   \
                    count);                                             \
        }

Definition at line 794 of file subr_csan.c.

◆ CSAN_READ

#define CSAN_READ ( size )

Value:

        void __tsan_read##size(uintptr_t);                              \
        void __tsan_read##size(uintptr_t addr)                          \
        {                                                               \
                kcsan_access(addr, size, false, false, __RET_ADDR);     \
        }                                                               \
        void __tsan_unaligned_read##size(uintptr_t);                    \
        void __tsan_unaligned_read##size(uintptr_t addr)                \
        {                                                               \
                kcsan_access(addr, size, false, false, __RET_ADDR);     \
        }

Definition at line 201 of file subr_csan.c.

◆ CSAN_WRITE

#define CSAN_WRITE ( size )

Value:

        void __tsan_write##size(uintptr_t);                             \
        void __tsan_write##size(uintptr_t addr)                         \
        {                                                               \
                kcsan_access(addr, size, true, false, __RET_ADDR);      \
        }                                                               \
        void __tsan_unaligned_write##size(uintptr_t);                   \
        void __tsan_unaligned_write##size(uintptr_t addr)               \
        {                                                               \
                kcsan_access(addr, size, true, false, __RET_ADDR);      \
        }

Definition at line 219 of file subr_csan.c.

◆ KCSAN_DELAY

#define KCSAN_DELAY 10 /* 10 microseconds */

Definition at line 79 of file subr_csan.c.

◆ KCSAN_NACCESSES

#define KCSAN_NACCESSES 1024

Definition at line 78 of file subr_csan.c.

◆ REPORT

#define REPORT printf

Definition at line 56 of file subr_csan.c.

◆ SAN_RUNTIME

#define SAN_RUNTIME

Definition at line 33 of file subr_csan.c.

Function Documentation

◆ __FBSDID()

__FBSDID ( "$FreeBSD$" )

◆ __tsan_func_entry()

void __tsan_func_entry ( void * call_pc )

Definition at line 262 of file subr_csan.c.

◆ __tsan_func_exit()

void __tsan_func_exit ( void )

Definition at line 267 of file subr_csan.c.

◆ __tsan_init()

void __tsan_init ( void )

Definition at line 257 of file subr_csan.c.

◆ __tsan_read_range()

void __tsan_read_range	(	uintptr_t	addr,
		size_t	size
	)

Definition at line 241 of file subr_csan.c.

References __RET_ADDR, addr, and kcsan_access().

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◆ __tsan_write_range()

void __tsan_write_range	(	uintptr_t	addr,
		size_t	size
	)

Definition at line 247 of file subr_csan.c.

References __RET_ADDR, addr, and kcsan_access().

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◆ kcsan_access()

static void kcsan_access	(	uintptr_t	addr,
		size_t	size,
		bool	write,
		bool	atomic,
		uintptr_t	pc
	)

inlinestatic

Definition at line 145 of file subr_csan.c.

References addr, csan_cell_t::addr, csan_cpu_t::cell, csan_cpu_t::cnt, csan_cpu_t::inited, kcsan_access_is_atomic(), kcsan_cpus, KCSAN_DELAY, KCSAN_NACCESSES, kcsan_report(), csan_cell_t::size, and csan_cell_t::write.

Referenced by __tsan_read_range(), __tsan_write_range(), kcsan_copyin(), kcsan_copyinstr(), kcsan_copyout(), kcsan_memcmp(), kcsan_memcpy(), kcsan_memmove(), kcsan_memset(), kcsan_strcmp(), kcsan_strcpy(), and kcsan_strlen().

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◆ kcsan_access_is_atomic()

static bool kcsan_access_is_atomic	(	csan_cell_t *	new,
		csan_cell_t *	old
	)

inlinestatic

Definition at line 135 of file subr_csan.c.

References csan_cell_t::atomic, and csan_cell_t::write.

Referenced by kcsan_access().

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◆ kcsan_atomic_interrupt_fence()

void kcsan_atomic_interrupt_fence ( void )

Definition at line 674 of file subr_csan.c.

◆ kcsan_bus_space_alloc()

int kcsan_bus_space_alloc	(	bus_space_tag_t	tag,
		bus_addr_t	reg_start,
		bus_addr_t	reg_end,
		bus_size_t	size,
		bus_size_t	alignment,
		bus_size_t	boundary,
		int	flags,
		bus_addr_t *	addrp,
		bus_space_handle_t *	handlep
	)

Definition at line 711 of file subr_csan.c.

References flags.

◆ kcsan_bus_space_barrier()

void kcsan_bus_space_barrier	(	bus_space_tag_t	tag,
		bus_space_handle_t	hnd,
		bus_size_t	offset,
		bus_size_t	size,
		int	flags
	)

Definition at line 731 of file subr_csan.c.

References flags.

◆ kcsan_bus_space_free()

void kcsan_bus_space_free	(	bus_space_tag_t	tag,
		bus_space_handle_t	hnd,
		bus_size_t	size
	)

Definition at line 723 of file subr_csan.c.

◆ kcsan_bus_space_map()

int kcsan_bus_space_map	(	bus_space_tag_t	tag,
		bus_addr_t	hnd,
		bus_size_t	size,
		int	flags,
		bus_space_handle_t *	handlep
	)

Definition at line 686 of file subr_csan.c.

References flags.

◆ kcsan_bus_space_subregion()

int kcsan_bus_space_subregion	(	bus_space_tag_t	tag,
		bus_space_handle_t	hnd,
		bus_size_t	offset,
		bus_size_t	size,
		bus_space_handle_t *	handlep
	)

Definition at line 702 of file subr_csan.c.

◆ kcsan_bus_space_unmap()

void kcsan_bus_space_unmap	(	bus_space_tag_t	tag,
		bus_space_handle_t	hnd,
		bus_size_t	size
	)

Definition at line 694 of file subr_csan.c.

◆ kcsan_copyin()

int kcsan_copyin	(	const void *	uaddr,
		void *	kaddr,
		size_t	len
	)

Definition at line 354 of file subr_csan.c.

References __RET_ADDR, and kcsan_access().

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◆ kcsan_copyinstr()

int kcsan_copyinstr	(	const void *	uaddr,
		void *	kaddr,
		size_t	len,
		size_t *	done
	)

Definition at line 361 of file subr_csan.c.

References __RET_ADDR, and kcsan_access().

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◆ kcsan_copyout()

int kcsan_copyout	(	const void *	kaddr,
		void *	uaddr,
		size_t	len
	)

Definition at line 368 of file subr_csan.c.

References __RET_ADDR, and kcsan_access().

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◆ kcsan_cpu_init()

void kcsan_cpu_init ( u_int cpu )

Definition at line 98 of file subr_csan.c.

References csan_cpu_t::inited, and kcsan_cpus.

◆ kcsan_enable()

static void kcsan_enable ( void *dummy __unused )

static

Definition at line 89 of file subr_csan.c.

References printf().

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◆ kcsan_memcmp()

int kcsan_memcmp	(	const void *	b1,
		const void *	b2,
		size_t	len
	)

Definition at line 282 of file subr_csan.c.

References __RET_ADDR, and kcsan_access().

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◆ kcsan_memcpy()

void * kcsan_memcpy	(	void *	dst,
		const void *	src,
		size_t	len
	)

Definition at line 274 of file subr_csan.c.

References __RET_ADDR, kcsan_access(), and src.

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◆ kcsan_memmove()

void * kcsan_memmove	(	void *	dst,
		const void *	src,
		size_t	len
	)

Definition at line 297 of file subr_csan.c.

References __RET_ADDR, kcsan_access(), and src.

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◆ kcsan_memset()

void * kcsan_memset	(	void *	b,
		int	c,
		size_t	len
	)

Definition at line 290 of file subr_csan.c.

References __RET_ADDR, and kcsan_access().

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◆ kcsan_report()

static void kcsan_report	(	csan_cell_t *	new,
		u_int	newcpu,
		csan_cell_t *	old,
		u_int	oldcpu
	)

inlinestatic

Definition at line 106 of file subr_csan.c.

References csan_cell_t::addr, csan_cell_t::atomic, csan_cell_t::pc, REPORT, csan_cell_t::size, sym, and csan_cell_t::write.

Referenced by kcsan_access().

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◆ kcsan_strcmp()

int kcsan_strcmp	(	const char *	s1,
		const char *	s2
	)

Definition at line 322 of file subr_csan.c.

References __RET_ADDR, and kcsan_access().

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◆ kcsan_strcpy()

char * kcsan_strcpy	(	char *	dst,
		const char *	src
	)

Definition at line 305 of file subr_csan.c.

References __RET_ADDR, kcsan_access(), and src.

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◆ kcsan_strlen()

size_t kcsan_strlen ( const char * str )

Definition at line 338 of file subr_csan.c.

References __RET_ADDR, and kcsan_access().

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◆ SYSINIT()

SYSINIT	(	kcsan_enable	,
		SI_SUB_SMP	,
		SI_ORDER_SECOND	,
		kcsan_enable	,
		NULL
	)

Variable Documentation

◆ __read_mostly

bool kcsan_enabled __read_mostly

static

Definition at line 74 of file subr_csan.c.

◆ kcsan_cpus

csan_cpu_t kcsan_cpus[MAXCPU]

static

Definition at line 73 of file subr_csan.c.

Referenced by kcsan_access(), and kcsan_cpu_init().

Data Structures

Macros

Functions

Variables

Macro Definition Documentation

◆ __RET_ADDR

◆ _CSAN_ATOMIC_FUNC_ADD

◆ _CSAN_ATOMIC_FUNC_CLEAR

◆ _CSAN_ATOMIC_FUNC_CMPSET

◆ _CSAN_ATOMIC_FUNC_FCMPSET

◆ _CSAN_ATOMIC_FUNC_LOAD

◆ _CSAN_ATOMIC_FUNC_SET

◆ _CSAN_ATOMIC_FUNC_STORE

◆ _CSAN_ATOMIC_FUNC_SUBTRACT

◆ CSAN_ATOMIC_FUNC_ADD

◆ CSAN_ATOMIC_FUNC_CLEAR

◆ CSAN_ATOMIC_FUNC_CMPSET

◆ CSAN_ATOMIC_FUNC_FCMPSET

◆ CSAN_ATOMIC_FUNC_FETCHADD

◆ CSAN_ATOMIC_FUNC_LOAD

◆ CSAN_ATOMIC_FUNC_READANDCLEAR

◆ CSAN_ATOMIC_FUNC_SET

◆ CSAN_ATOMIC_FUNC_STORE

◆ CSAN_ATOMIC_FUNC_SUBTRACT

◆ CSAN_ATOMIC_FUNC_SWAP

◆ CSAN_ATOMIC_FUNC_TESTANDCLEAR

◆ CSAN_ATOMIC_FUNC_TESTANDSET

◆ CSAN_ATOMIC_FUNC_THREAD_FENCE

◆ CSAN_BUS_PEEK_FUNC

◆ CSAN_BUS_POKE_FUNC

◆ CSAN_BUS_READ_FUNC

◆ CSAN_BUS_READ_PTR_FUNC

◆ CSAN_BUS_SET_FUNC

◆ CSAN_BUS_WRITE_FUNC

◆ CSAN_BUS_WRITE_PTR_FUNC

◆ CSAN_READ

◆ CSAN_WRITE

◆ KCSAN_DELAY

◆ KCSAN_NACCESSES

◆ REPORT

◆ SAN_RUNTIME

Function Documentation

◆ __FBSDID()

◆ __tsan_func_entry()

◆ __tsan_func_exit()

◆ __tsan_init()

◆ __tsan_read_range()

◆ __tsan_write_range()

◆ kcsan_access()

◆ kcsan_access_is_atomic()

◆ kcsan_atomic_interrupt_fence()

◆ kcsan_bus_space_alloc()

◆ kcsan_bus_space_barrier()

◆ kcsan_bus_space_free()

◆ kcsan_bus_space_map()

◆ kcsan_bus_space_subregion()

◆ kcsan_bus_space_unmap()

◆ kcsan_copyin()

◆ kcsan_copyinstr()

◆ kcsan_copyout()

◆ kcsan_cpu_init()

◆ kcsan_enable()

◆ kcsan_memcmp()

◆ kcsan_memcpy()

◆ kcsan_memmove()

◆ kcsan_memset()

◆ kcsan_report()

◆ kcsan_strcmp()

◆ kcsan_strcpy()

◆ kcsan_strlen()

◆ SYSINIT()

Variable Documentation

◆ __read_mostly

◆ kcsan_cpus