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author | van Hauser <vh@thc.org> | 2019-05-28 16:40:24 +0200 |
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committer | van Hauser <vh@thc.org> | 2019-05-28 16:40:24 +0200 |
commit | f367728c4435670caf2e9cc5acad257e7766cc65 (patch) | |
tree | 5a4f587630b161f32a548f5c196032e2566741e2 /types.h | |
parent | 1b3d018d35d9091bda28e38e066a99491f2415b5 (diff) | |
download | afl++-f367728c4435670caf2e9cc5acad257e7766cc65.tar.gz |
afl++ 2.52c initial commit
Diffstat (limited to 'types.h')
-rw-r--r-- | types.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/types.h b/types.h new file mode 100644 index 00000000..784d3a7a --- /dev/null +++ b/types.h @@ -0,0 +1,86 @@ +/* + american fuzzy lop - type definitions and minor macros + ------------------------------------------------------ + + Written and maintained by Michal Zalewski <lcamtuf@google.com> + + Copyright 2013, 2014, 2015 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 + + */ + +#ifndef _HAVE_TYPES_H +#define _HAVE_TYPES_H + +#include <stdint.h> +#include <stdlib.h> + +typedef uint8_t u8; +typedef uint16_t u16; +typedef uint32_t u32; + +/* + + Ugh. There is an unintended compiler / glibc #include glitch caused by + combining the u64 type an %llu in format strings, necessitating a workaround. + + In essence, the compiler is always looking for 'unsigned long long' for %llu. + On 32-bit systems, the u64 type (aliased to uint64_t) is expanded to + 'unsigned long long' in <bits/types.h>, so everything checks out. + + But on 64-bit systems, it is #ifdef'ed in the same file as 'unsigned long'. + Now, it only happens in circumstances where the type happens to have the + expected bit width, *but* the compiler does not know that... and complains + about 'unsigned long' being unsafe to pass to %llu. + + */ + +#ifdef __x86_64__ +typedef unsigned long long u64; +#else +typedef uint64_t u64; +#endif /* ^__x86_64__ */ + +typedef int8_t s8; +typedef int16_t s16; +typedef int32_t s32; +typedef int64_t s64; + +#ifndef MIN +# define MIN(_a,_b) ((_a) > (_b) ? (_b) : (_a)) +# define MAX(_a,_b) ((_a) > (_b) ? (_a) : (_b)) +#endif /* !MIN */ + +#define SWAP16(_x) ({ \ + u16 _ret = (_x); \ + (u16)((_ret << 8) | (_ret >> 8)); \ + }) + +#define SWAP32(_x) ({ \ + u32 _ret = (_x); \ + (u32)((_ret << 24) | (_ret >> 24) | \ + ((_ret << 8) & 0x00FF0000) | \ + ((_ret >> 8) & 0x0000FF00)); \ + }) + +#ifdef AFL_LLVM_PASS +# define AFL_R(x) (random() % (x)) +#else +# define R(x) (random() % (x)) +#endif /* ^AFL_LLVM_PASS */ + +#define STRINGIFY_INTERNAL(x) #x +#define STRINGIFY(x) STRINGIFY_INTERNAL(x) + +#define MEM_BARRIER() \ + asm volatile("" ::: "memory") + +#define likely(_x) __builtin_expect(!!(_x), 1) +#define unlikely(_x) __builtin_expect(!!(_x), 0) + +#endif /* ! _HAVE_TYPES_H */ |