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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or https://opensource.org/licenses/CDDL-1.0.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include_next <assert.h>
#ifndef _LIBSPL_ASSERT_H
#define _LIBSPL_ASSERT_H
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <sys/types.h>
/* Workaround for non-Clang compilers */
#ifndef __has_feature
#define __has_feature(x) 0
#endif
/* We need to workaround libspl_set_assert_ok() that we have for zdb */
#if __has_feature(attribute_analyzer_noreturn) || defined(__COVERITY__)
#define NORETURN __attribute__((__noreturn__))
#else
#define NORETURN
#endif
/* Set to non-zero to avoid abort()ing on an assertion failure */
extern void libspl_set_assert_ok(boolean_t val);
/* printf version of libspl_assert */
extern void libspl_assertf(const char *file, const char *func, int line,
const char *format, ...) NORETURN __attribute__((format(printf, 4, 5)));
static inline int
libspl_assert(const char *buf, const char *file, const char *func, int line)
{
libspl_assertf(file, func, line, "%s", buf);
return (0);
}
#ifdef verify
#undef verify
#endif
#define PANIC(fmt, a...) \
libspl_assertf(__FILE__, __FUNCTION__, __LINE__, fmt, ## a)
#define VERIFY(cond) \
(void) ((!(cond)) && \
libspl_assert(#cond, __FILE__, __FUNCTION__, __LINE__))
#define verify(cond) \
(void) ((!(cond)) && \
libspl_assert(#cond, __FILE__, __FUNCTION__, __LINE__))
#define VERIFY3B(LEFT, OP, RIGHT) \
do { \
const boolean_t __left = (boolean_t)(LEFT); \
const boolean_t __right = (boolean_t)(RIGHT); \
if (!(__left OP __right)) \
libspl_assertf(__FILE__, __FUNCTION__, __LINE__, \
"%s %s %s (0x%llx %s 0x%llx)", #LEFT, #OP, #RIGHT, \
(u_longlong_t)__left, #OP, (u_longlong_t)__right); \
} while (0)
#define VERIFY3S(LEFT, OP, RIGHT) \
do { \
const int64_t __left = (int64_t)(LEFT); \
const int64_t __right = (int64_t)(RIGHT); \
if (!(__left OP __right)) \
libspl_assertf(__FILE__, __FUNCTION__, __LINE__, \
"%s %s %s (0x%llx %s 0x%llx)", #LEFT, #OP, #RIGHT, \
(u_longlong_t)__left, #OP, (u_longlong_t)__right); \
} while (0)
#define VERIFY3U(LEFT, OP, RIGHT) \
do { \
const uint64_t __left = (uint64_t)(LEFT); \
const uint64_t __right = (uint64_t)(RIGHT); \
if (!(__left OP __right)) \
libspl_assertf(__FILE__, __FUNCTION__, __LINE__, \
"%s %s %s (0x%llx %s 0x%llx)", #LEFT, #OP, #RIGHT, \
(u_longlong_t)__left, #OP, (u_longlong_t)__right); \
} while (0)
#define VERIFY3P(LEFT, OP, RIGHT) \
do { \
const uintptr_t __left = (uintptr_t)(LEFT); \
const uintptr_t __right = (uintptr_t)(RIGHT); \
if (!(__left OP __right)) \
libspl_assertf(__FILE__, __FUNCTION__, __LINE__, \
"%s %s %s (%p %s %p)", #LEFT, #OP, #RIGHT, \
(void *)__left, #OP, (void *)__right); \
} while (0)
#define VERIFY0(LEFT) \
do { \
const uint64_t __left = (uint64_t)(LEFT); \
if (!(__left == 0)) \
libspl_assertf(__FILE__, __FUNCTION__, __LINE__, \
"%s == 0 (0x%llx == 0)", #LEFT, \
(u_longlong_t)__left); \
} while (0)
#define VERIFY0P(LEFT) \
do { \
const uintptr_t __left = (uintptr_t)(LEFT); \
if (!(__left == 0)) \
libspl_assertf(__FILE__, __FUNCTION__, __LINE__, \
"%s == 0 (%p == 0)", #LEFT, \
(void *)__left); \
} while (0)
#ifdef assert
#undef assert
#endif
#ifdef NDEBUG
#define ASSERT3B(x, y, z) \
((void) sizeof ((uintptr_t)(x)), (void) sizeof ((uintptr_t)(z)))
#define ASSERT3S(x, y, z) \
((void) sizeof ((uintptr_t)(x)), (void) sizeof ((uintptr_t)(z)))
#define ASSERT3U(x, y, z) \
((void) sizeof ((uintptr_t)(x)), (void) sizeof ((uintptr_t)(z)))
#define ASSERT3P(x, y, z) \
((void) sizeof ((uintptr_t)(x)), (void) sizeof ((uintptr_t)(z)))
#define ASSERT0(x) ((void) sizeof ((uintptr_t)(x)))
#define ASSERT0P(x) ((void) sizeof ((uintptr_t)(x)))
#define ASSERT(x) ((void) sizeof ((uintptr_t)(x)))
#define assert(x) ((void) sizeof ((uintptr_t)(x)))
#define IMPLY(A, B) \
((void) sizeof ((uintptr_t)(A)), (void) sizeof ((uintptr_t)(B)))
#define EQUIV(A, B) \
((void) sizeof ((uintptr_t)(A)), (void) sizeof ((uintptr_t)(B)))
#else
#define ASSERT3B VERIFY3B
#define ASSERT3S VERIFY3S
#define ASSERT3U VERIFY3U
#define ASSERT3P VERIFY3P
#define ASSERT0 VERIFY0
#define ASSERT0P VERIFY0P
#define ASSERT VERIFY
#define assert VERIFY
#define IMPLY(A, B) \
((void)(((!(A)) || (B)) || \
libspl_assert("(" #A ") implies (" #B ")", \
__FILE__, __FUNCTION__, __LINE__)))
#define EQUIV(A, B) \
((void)((!!(A) == !!(B)) || \
libspl_assert("(" #A ") is equivalent to (" #B ")", \
__FILE__, __FUNCTION__, __LINE__)))
#endif /* NDEBUG */
#endif /* _LIBSPL_ASSERT_H */
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