1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #include_next <assert.h> 28 29 #ifndef _LIBSPL_ASSERT_H 30 #define _LIBSPL_ASSERT_H 31 32 #include <stdio.h> 33 #include <stdlib.h> 34 #include <stdarg.h> 35 #include <sys/types.h> 36 37 /* Set to non-zero to avoid abort()ing on an assertion failure */ 38 extern void libspl_set_assert_ok(boolean_t val); 39 40 /* printf version of libspl_assert */ 41 extern void libspl_assertf(const char *file, const char *func, int line, 42 const char *format, ...); 43 44 static inline int 45 libspl_assert(const char *buf, const char *file, const char *func, int line) 46 { 47 libspl_assertf(file, func, line, "%s", buf); 48 return (0); 49 } 50 51 #ifdef verify 52 #undef verify 53 #endif 54 55 #define VERIFY(cond) \ 56 (void) ((!(cond)) && \ 57 libspl_assert(#cond, __FILE__, __FUNCTION__, __LINE__)) 58 #define verify(cond) \ 59 (void) ((!(cond)) && \ 60 libspl_assert(#cond, __FILE__, __FUNCTION__, __LINE__)) 61 62 #define VERIFY3B(LEFT, OP, RIGHT) \ 63 do { \ 64 const boolean_t __left = (boolean_t)(LEFT); \ 65 const boolean_t __right = (boolean_t)(RIGHT); \ 66 if (!(__left OP __right)) \ 67 libspl_assertf(__FILE__, __FUNCTION__, __LINE__, \ 68 "%s %s %s (0x%llx %s 0x%llx)", #LEFT, #OP, #RIGHT, \ 69 (u_longlong_t)__left, #OP, (u_longlong_t)__right); \ 70 } while (0) 71 72 #define VERIFY3S(LEFT, OP, RIGHT) \ 73 do { \ 74 const int64_t __left = (int64_t)(LEFT); \ 75 const int64_t __right = (int64_t)(RIGHT); \ 76 if (!(__left OP __right)) \ 77 libspl_assertf(__FILE__, __FUNCTION__, __LINE__, \ 78 "%s %s %s (0x%llx %s 0x%llx)", #LEFT, #OP, #RIGHT, \ 79 (u_longlong_t)__left, #OP, (u_longlong_t)__right); \ 80 } while (0) 81 82 #define VERIFY3U(LEFT, OP, RIGHT) \ 83 do { \ 84 const uint64_t __left = (uint64_t)(LEFT); \ 85 const uint64_t __right = (uint64_t)(RIGHT); \ 86 if (!(__left OP __right)) \ 87 libspl_assertf(__FILE__, __FUNCTION__, __LINE__, \ 88 "%s %s %s (0x%llx %s 0x%llx)", #LEFT, #OP, #RIGHT, \ 89 (u_longlong_t)__left, #OP, (u_longlong_t)__right); \ 90 } while (0) 91 92 #define VERIFY3P(LEFT, OP, RIGHT) \ 93 do { \ 94 const uintptr_t __left = (uintptr_t)(LEFT); \ 95 const uintptr_t __right = (uintptr_t)(RIGHT); \ 96 if (!(__left OP __right)) \ 97 libspl_assertf(__FILE__, __FUNCTION__, __LINE__, \ 98 "%s %s %s (0x%llx %s 0x%llx)", #LEFT, #OP, #RIGHT, \ 99 (u_longlong_t)__left, #OP, (u_longlong_t)__right); \ 100 } while (0) 101 102 #define VERIFY0(LEFT) \ 103 do { \ 104 const uint64_t __left = (uint64_t)(LEFT); \ 105 if (!(__left == 0)) \ 106 libspl_assertf(__FILE__, __FUNCTION__, __LINE__, \ 107 "%s == 0 (0x%llx == 0)", #LEFT, \ 108 (u_longlong_t)__left); \ 109 } while (0) 110 111 #ifdef assert 112 #undef assert 113 #endif 114 115 #ifdef NDEBUG 116 #define ASSERT3B(x, y, z) \ 117 ((void) sizeof ((uintptr_t)(x)), (void) sizeof ((uintptr_t)(z))) 118 #define ASSERT3S(x, y, z) \ 119 ((void) sizeof ((uintptr_t)(x)), (void) sizeof ((uintptr_t)(z))) 120 #define ASSERT3U(x, y, z) \ 121 ((void) sizeof ((uintptr_t)(x)), (void) sizeof ((uintptr_t)(z))) 122 #define ASSERT3P(x, y, z) \ 123 ((void) sizeof ((uintptr_t)(x)), (void) sizeof ((uintptr_t)(z))) 124 #define ASSERT0(x) ((void) sizeof ((uintptr_t)(x))) 125 #define ASSERT(x) ((void) sizeof ((uintptr_t)(x))) 126 #define assert(x) ((void) sizeof ((uintptr_t)(x))) 127 #define IMPLY(A, B) \ 128 ((void) sizeof ((uintptr_t)(A)), (void) sizeof ((uintptr_t)(B))) 129 #define EQUIV(A, B) \ 130 ((void) sizeof ((uintptr_t)(A)), (void) sizeof ((uintptr_t)(B))) 131 #else 132 #define ASSERT3B VERIFY3B 133 #define ASSERT3S VERIFY3S 134 #define ASSERT3U VERIFY3U 135 #define ASSERT3P VERIFY3P 136 #define ASSERT0 VERIFY0 137 #define ASSERT VERIFY 138 #define assert VERIFY 139 #define IMPLY(A, B) \ 140 ((void)(((!(A)) || (B)) || \ 141 libspl_assert("(" #A ") implies (" #B ")", \ 142 __FILE__, __FUNCTION__, __LINE__))) 143 #define EQUIV(A, B) \ 144 ((void)((!!(A) == !!(B)) || \ 145 libspl_assert("(" #A ") is equivalent to (" #B ")", \ 146 __FILE__, __FUNCTION__, __LINE__))) 147 148 #endif /* NDEBUG */ 149 150 #endif /* _LIBSPL_ASSERT_H */ 151