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Diffstat (limited to 'libhfcommon/util.h')
| -rw-r--r-- | libhfcommon/util.h | 213 |
1 files changed, 0 insertions, 213 deletions
diff --git a/libhfcommon/util.h b/libhfcommon/util.h deleted file mode 100644 index b189e250..00000000 --- a/libhfcommon/util.h +++ /dev/null @@ -1,213 +0,0 @@ -/* - * - * honggfuzz - utilities - * ----------------------------------------- - * - * Author: Robert Swiecki <swiecki@google.com> - * - * Copyright 2010-2018 by Google Inc. All Rights Reserved. - * - * Licensed under the Apache License, Version 2.0 (the "License"); you may - * not use this file except in compliance with the License. You may obtain - * a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or - * implied. See the License for the specific language governing - * permissions and limitations under the License. - * - */ - -#ifndef _HF_COMMON_UTIL_H_ -#define _HF_COMMON_UTIL_H_ - -#include <pthread.h> -#include <stdarg.h> -#ifdef __clang__ -#include <stdatomic.h> -#endif -#include <stdbool.h> -#include <stdint.h> -#include <time.h> - -/* - * Go-style defer scoped implementation - * - * If compiled with clang, use: -fblocks -lBlocksRuntime - * - * Example of use: - * - * { - * int fd = open(fname, O_RDONLY); - * if (fd == -1) { - * error(....); - * return; - * } - * defer { close(fd); }; - * ssize_t sz = read(fd, buf, sizeof(buf)); - * ... - * ... - * } - * - */ - -#define __STRMERGE(a, b) a##b -#define _STRMERGE(a, b) __STRMERGE(a, b) -#ifdef __clang__ -#if __has_extension(blocks) -static void __attribute__((unused)) __clang_cleanup_func(void (^*dfunc)(void)) { - (*dfunc)(); -} - -#define defer \ - void (^_STRMERGE(__defer_f_, __COUNTER__))(void) \ - __attribute__((cleanup(__clang_cleanup_func))) __attribute__((unused)) = ^ - -#else /* __has_extension(blocks) */ -#define defer UNIMPLEMENTED - NO - SUPPORT - FOR - BLOCKS - IN - YOUR - CLANG - ENABLED -#endif /* __has_extension(blocks) */ -#else /* !__clang__, e.g.: gcc */ - -#define __block -#define _DEFER(a, count) \ - auto void _STRMERGE(__defer_f_, count)(void* _defer_arg __attribute__((unused))); \ - int _STRMERGE(__defer_var_, count) __attribute__((cleanup(_STRMERGE(__defer_f_, count)))) \ - __attribute__((unused)); \ - void _STRMERGE(__defer_f_, count)(void* _defer_arg __attribute__((unused))) -#define defer _DEFER(a, __COUNTER__) -#endif /* ifdef __clang__ */ - -/* Block scoped mutexes */ -#define MX_SCOPED_LOCK(m) \ - MX_LOCK(m); \ - defer { \ - MX_UNLOCK(m); \ - } - -#define MX_SCOPED_RWLOCK_READ(m) \ - MX_RWLOCK_READ(m); \ - defer { \ - MX_RWLOCK_UNLOCK(m); \ - } -#define MX_SCOPED_RWLOCK_WRITE(m) \ - MX_RWLOCK_WRITE(m); \ - defer { \ - MX_RWLOCK_UNLOCK(m); \ - } - -#define HF_STR_LEN 8192 -#define HF_STR_LEN_MINUS_1 8191 - -#define MX_LOCK(m) util_mutexLock(m, __func__, __LINE__) -#define MX_UNLOCK(m) util_mutexUnlock(m, __func__, __LINE__) -#define MX_RWLOCK_READ(m) util_mutexRWLockRead(m, __func__, __LINE__) -#define MX_RWLOCK_WRITE(m) util_mutexRWLockWrite(m, __func__, __LINE__) -#define MX_RWLOCK_UNLOCK(m) util_mutexRWUnlock(m, __func__, __LINE__) - -/* Atomics */ -#define ATOMIC_GET(x) __atomic_load_n(&(x), __ATOMIC_RELAXED) -#define ATOMIC_SET(x, y) __atomic_store_n(&(x), y, __ATOMIC_RELAXED) -#define ATOMIC_CLEAR(x) __atomic_store_n(&(x), 0, __ATOMIC_RELAXED) -#define ATOMIC_XCHG(x, y) __atomic_exchange_n(&(x), y, __ATOMIC_RELAXED) - -#define ATOMIC_PRE_INC(x) __atomic_add_fetch(&(x), 1, __ATOMIC_RELAXED) -#define ATOMIC_POST_INC(x) __atomic_fetch_add(&(x), 1, __ATOMIC_RELAXED) - -#define ATOMIC_PRE_DEC(x) __atomic_sub_fetch(&(x), 1, __ATOMIC_RELAXED) -#define ATOMIC_POST_DEC(x) __atomic_fetch_sub(&(x), 1, __ATOMIC_RELAXED) - -#define ATOMIC_PRE_ADD(x, y) __atomic_add_fetch(&(x), y, __ATOMIC_RELAXED) -#define ATOMIC_POST_ADD(x, y) __atomic_fetch_add(&(x), y, __ATOMIC_RELAXED) - -#define ATOMIC_PRE_SUB(x, y) __atomic_sub_fetch(&(x), y, __ATOMIC_RELAXED) -#define ATOMIC_POST_SUB(x, y) __atomic_fetch_sub(&(x), y, __ATOMIC_RELAXED) - -#define ATOMIC_PRE_AND(x, y) __atomic_and_fetch(&(x), y, __ATOMIC_RELAXED) -#define ATOMIC_POST_AND(x, y) __atomic_fetch_and(&(x), y, __ATOMIC_RELAXED) - -#define ATOMIC_PRE_OR(x, y) __atomic_or_fetch(&(x), y, __ATOMIC_RELAXED) -#define ATOMIC_POST_OR(x, y) __atomic_fetch_or(&(x), y, __ATOMIC_RELAXED) - -__attribute__((always_inline)) static inline bool ATOMIC_BITMAP_SET(uint8_t* addr, size_t offset) { - addr += (offset / 8); - uint8_t mask = (1U << (offset % 8)); - - if (ATOMIC_GET(*addr) & mask) { - return true; - } - -#if defined(__x86_64__) || defined(__i386__) - bool old; - __asm__ __volatile__("lock bts %2, %0\n\t" - "sbb %1, %1\n\t" - : "+m"(*addr), "=r"(old) - : "Ir"(offset % 8)); - return old; -#else /* defined(__x86_64__) || defined(__i386__) */ - return (ATOMIC_POST_OR(*addr, mask) & mask); -#endif /* defined(__x86_64__) || defined(__i386__) */ -} - -#define HF_MAX(x, y) ((x > y) ? x : y) -#define HF_MIN(x, y) ((x < y) ? x : y) -#define HF_CAP(v, x, y) HF_MAX(x, HF_MIN(y, v)) -#define util_Log2(v) ((sizeof(unsigned int) * 8) - __builtin_clz((unsigned int)v) - 1) - -typedef enum { - LHFC_ADDR_NOTFOUND = 0, - LHFC_ADDR_RO = 1, - LHFC_ADDR_RW = 2, -} lhfc_addr_t; - -extern void* util_Malloc(size_t sz); -extern void* util_Calloc(size_t sz); -extern void* util_AllocCopy(const uint8_t* ptr, size_t sz); -extern void* util_MMap(size_t sz); -extern void* util_Realloc(void* ptr, size_t sz); - -extern uint64_t util_rndGet(uint64_t min, uint64_t max); -extern void util_rndBuf(uint8_t* buf, size_t sz); -extern void util_rndBufPrintable(uint8_t* buf, size_t sz); -extern uint64_t util_rnd64(void); -extern uint8_t util_rndPrintable(void); - -extern char* util_StrDup(const char* s); -extern int util_ssnprintf(char* str, size_t size, const char* format, ...) - __attribute__((format(printf, 3, 4))); -extern int util_vssnprintf(char* str, size_t size, const char* format, va_list ap); -extern bool util_strStartsWith(const char* str, const char* tofind); -extern bool util_isANumber(const char* s); -extern size_t util_decodeCString(char* s); -extern void util_getLocalTime(const char* fmt, char* buf, size_t len, time_t tm); -extern const char* util_sigName(int signo); -extern void util_turnToPrintable(uint8_t* buf, size_t sz); - -extern void util_closeStdio(bool close_stdin, bool close_stdout, bool close_stderr); - -extern lhfc_addr_t util_getProgAddr(const void* addr); -extern bool util_32bitValInBinary(uint32_t v); -extern bool util_64bitValInBinary(uint64_t v); - -extern uint64_t util_hash(const char* buf, size_t len); -extern int64_t fastArray64Search(uint64_t* array, size_t arraySz, uint64_t key); - -extern int64_t util_timeNowUSecs(void); -extern void util_sleepForMSec(uint64_t msec); - -extern uint64_t util_getUINT32(const uint8_t* buf); -extern uint64_t util_getUINT64(const uint8_t* buf); - -extern void util_mutexLock(pthread_mutex_t* mutex, const char* func, int line); -extern void util_mutexUnlock(pthread_mutex_t* mutex, const char* func, int line); - -extern void util_mutexRWLockRead(pthread_rwlock_t* mutex, const char* func, int line); -extern void util_mutexRWLockWrite(pthread_rwlock_t* mutex, const char* func, int line); -extern void util_mutexRWUnlock(pthread_rwlock_t* mutex, const char* func, int line); - -extern uint64_t util_CRC64(const uint8_t* buf, size_t len); -extern uint64_t util_CRC64Rev(const uint8_t* buf, size_t len); - -#endif /* ifndef _HF_COMMON_UTIL_H_ */ |