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95 lines
2.6 KiB
95 lines
2.6 KiB
1 month ago
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/*
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Copyright 2013 Google LLC All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at:
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/*
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american fuzzy lop - type definitions and minor macros
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------------------------------------------------------
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Written and maintained by Michal Zalewski <lcamtuf@google.com>
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*/
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#ifndef _HAVE_TYPES_H
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#define _HAVE_TYPES_H
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#include <stdint.h>
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#include <stdlib.h>
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typedef uint8_t u8;
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typedef uint16_t u16;
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typedef uint32_t u32;
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/*
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Ugh. There is an unintended compiler / glibc #include glitch caused by
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combining the u64 type an %llu in format strings, necessitating a workaround.
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In essence, the compiler is always looking for 'unsigned long long' for %llu.
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On 32-bit systems, the u64 type (aliased to uint64_t) is expanded to
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'unsigned long long' in <bits/types.h>, so everything checks out.
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But on 64-bit systems, it is #ifdef'ed in the same file as 'unsigned long'.
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Now, it only happens in circumstances where the type happens to have the
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expected bit width, *but* the compiler does not know that... and complains
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about 'unsigned long' being unsafe to pass to %llu.
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*/
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#ifdef __x86_64__
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typedef unsigned long long u64;
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#else
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typedef uint64_t u64;
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#endif /* ^__x86_64__ */
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typedef int8_t s8;
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typedef int16_t s16;
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typedef int32_t s32;
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typedef int64_t s64;
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#ifndef MIN
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# define MIN(_a,_b) ((_a) > (_b) ? (_b) : (_a))
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# define MAX(_a,_b) ((_a) > (_b) ? (_a) : (_b))
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#endif /* !MIN */
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#define SWAP16(_x) ({ \
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u16 _ret = (_x); \
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(u16)((_ret << 8) | (_ret >> 8)); \
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})
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#define SWAP32(_x) ({ \
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u32 _ret = (_x); \
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(u32)((_ret << 24) | (_ret >> 24) | \
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((_ret << 8) & 0x00FF0000) | \
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((_ret >> 8) & 0x0000FF00)); \
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})
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#ifdef AFL_LLVM_PASS
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# define AFL_R(x) (random() % (x))
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#else
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# define R(x) (random() % (x))
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#endif /* ^AFL_LLVM_PASS */
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#define STRINGIFY_INTERNAL(x) #x
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#define STRINGIFY(x) STRINGIFY_INTERNAL(x)
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#define MEM_BARRIER() \
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__asm__ volatile("" ::: "memory")
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#define likely(_x) __builtin_expect(!!(_x), 1)
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#define unlikely(_x) __builtin_expect(!!(_x), 0)
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#endif /* ! _HAVE_TYPES_H */
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