380 lines
12 KiB
C
380 lines
12 KiB
C
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/*
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This file contains definitions used by the Hex-Rays decompiler output.
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It has type definitions and convenience macros to make the
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output more readable.
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Copyright (c) 2007-2017 Hex-Rays
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*/
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#ifndef HEXRAYS_DEFS_H
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#define HEXRAYS_DEFS_H
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#if defined(__GNUC__)
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typedef long long ll;
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typedef unsigned long long ull;
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#define __int64 long long
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#define __int32 int
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#define __int16 short
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#define __int8 char
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#define MAKELL(num) num ## LL
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#define FMT_64 "ll"
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#elif defined(_MSC_VER)
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typedef __int64 ll;
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typedef unsigned __int64 ull;
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#define MAKELL(num) num ## i64
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#define FMT_64 "I64"
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#elif defined (__BORLANDC__)
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typedef __int64 ll;
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typedef unsigned __int64 ull;
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#define MAKELL(num) num ## i64
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#define FMT_64 "L"
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#else
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#error "unknown compiler"
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#endif
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typedef unsigned int uint;
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typedef unsigned char uchar;
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typedef unsigned short ushort;
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typedef unsigned long ulong;
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typedef char int8;
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typedef signed char sint8;
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typedef unsigned char uint8;
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typedef short int16;
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typedef signed short sint16;
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typedef unsigned short uint16;
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typedef int int32;
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typedef signed int sint32;
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typedef unsigned int uint32;
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typedef ll int64;
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typedef ll sint64;
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typedef ull uint64;
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// Partially defined types. They are used when the decompiler does not know
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// anything about the type except its size.
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#define _BYTE uint8
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#define _WORD uint16
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#define _DWORD uint32
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#define _QWORD uint64
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#if !defined(_MSC_VER)
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#define _LONGLONG __int128
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#endif
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// Non-standard boolean types. They are used when the decompiler can not use
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// the standard "bool" type because of the size mistmatch but the possible
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// values are only 0 and 1. See also 'BOOL' type below.
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typedef int8 _BOOL1;
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typedef int16 _BOOL2;
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typedef int32 _BOOL4;
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#ifndef _WINDOWS_
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typedef int8 BYTE;
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typedef int16 WORD;
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typedef int32 DWORD;
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typedef int32 LONG;
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typedef int BOOL; // uppercase BOOL is usually 4 bytes
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#endif
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typedef int64 QWORD;
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#ifndef __cplusplus
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typedef int bool; // we want to use bool in our C programs
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#endif
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#define __pure // pure function: always returns the same value, has no
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// side effects
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// Non-returning function
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#if defined(__GNUC__)
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#define __noreturn __attribute__((noreturn))
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#else
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#define __noreturn __declspec(noreturn)
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#endif
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#ifndef NULL
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#define NULL 0
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#endif
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// Some convenience macros to make partial accesses nicer
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#define LAST_IND(x,part_type) (sizeof(x)/sizeof(part_type) - 1)
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#if defined(__BYTE_ORDER) && __BYTE_ORDER == __BIG_ENDIAN
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# define LOW_IND(x,part_type) LAST_IND(x,part_type)
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# define HIGH_IND(x,part_type) 0
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#else
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# define HIGH_IND(x,part_type) LAST_IND(x,part_type)
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# define LOW_IND(x,part_type) 0
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#endif
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// first unsigned macros:
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#define BYTEn(x, n) (*((_BYTE*)&(x)+n))
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#define WORDn(x, n) (*((_WORD*)&(x)+n))
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#define DWORDn(x, n) (*((_DWORD*)&(x)+n))
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#define LOBYTE(x) BYTEn(x,LOW_IND(x,_BYTE))
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#define LOWORD(x) WORDn(x,LOW_IND(x,_WORD))
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#define LODWORD(x) DWORDn(x,LOW_IND(x,_DWORD))
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#define HIBYTE(x) BYTEn(x,HIGH_IND(x,_BYTE))
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#define HIWORD(x) WORDn(x,HIGH_IND(x,_WORD))
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#define HIDWORD(x) DWORDn(x,HIGH_IND(x,_DWORD))
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#define BYTE1(x) BYTEn(x, 1) // byte 1 (counting from 0)
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#define BYTE2(x) BYTEn(x, 2)
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#define BYTE3(x) BYTEn(x, 3)
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#define BYTE4(x) BYTEn(x, 4)
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#define BYTE5(x) BYTEn(x, 5)
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#define BYTE6(x) BYTEn(x, 6)
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#define BYTE7(x) BYTEn(x, 7)
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#define BYTE8(x) BYTEn(x, 8)
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#define BYTE9(x) BYTEn(x, 9)
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#define BYTE10(x) BYTEn(x, 10)
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#define BYTE11(x) BYTEn(x, 11)
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#define BYTE12(x) BYTEn(x, 12)
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#define BYTE13(x) BYTEn(x, 13)
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#define BYTE14(x) BYTEn(x, 14)
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#define BYTE15(x) BYTEn(x, 15)
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#define WORD1(x) WORDn(x, 1)
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#define WORD2(x) WORDn(x, 2) // third word of the object, unsigned
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#define WORD3(x) WORDn(x, 3)
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#define WORD4(x) WORDn(x, 4)
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#define WORD5(x) WORDn(x, 5)
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#define WORD6(x) WORDn(x, 6)
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#define WORD7(x) WORDn(x, 7)
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// now signed macros (the same but with sign extension)
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#define SBYTEn(x, n) (*((int8*)&(x)+n))
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#define SWORDn(x, n) (*((int16*)&(x)+n))
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#define SDWORDn(x, n) (*((int32*)&(x)+n))
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#define SLOBYTE(x) SBYTEn(x,LOW_IND(x,int8))
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#define SLOWORD(x) SWORDn(x,LOW_IND(x,int16))
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#define SLODWORD(x) SDWORDn(x,LOW_IND(x,int32))
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#define SHIBYTE(x) SBYTEn(x,HIGH_IND(x,int8))
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#define SHIWORD(x) SWORDn(x,HIGH_IND(x,int16))
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#define SHIDWORD(x) SDWORDn(x,HIGH_IND(x,int32))
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#define SBYTE1(x) SBYTEn(x, 1)
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#define SBYTE2(x) SBYTEn(x, 2)
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#define SBYTE3(x) SBYTEn(x, 3)
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#define SBYTE4(x) SBYTEn(x, 4)
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#define SBYTE5(x) SBYTEn(x, 5)
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#define SBYTE6(x) SBYTEn(x, 6)
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#define SBYTE7(x) SBYTEn(x, 7)
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#define SBYTE8(x) SBYTEn(x, 8)
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#define SBYTE9(x) SBYTEn(x, 9)
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#define SBYTE10(x) SBYTEn(x, 10)
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#define SBYTE11(x) SBYTEn(x, 11)
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#define SBYTE12(x) SBYTEn(x, 12)
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#define SBYTE13(x) SBYTEn(x, 13)
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#define SBYTE14(x) SBYTEn(x, 14)
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#define SBYTE15(x) SBYTEn(x, 15)
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#define SWORD1(x) SWORDn(x, 1)
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#define SWORD2(x) SWORDn(x, 2)
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#define SWORD3(x) SWORDn(x, 3)
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#define SWORD4(x) SWORDn(x, 4)
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#define SWORD5(x) SWORDn(x, 5)
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#define SWORD6(x) SWORDn(x, 6)
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#define SWORD7(x) SWORDn(x, 7)
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// Helper functions to represent some assembly instructions.
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#ifdef __cplusplus
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// compile time assertion
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#define __CASSERT_N0__(l) COMPILE_TIME_ASSERT_ ## l
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#define __CASSERT_N1__(l) __CASSERT_N0__(l)
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#define CASSERT(cnd) typedef char __CASSERT_N1__(__LINE__) [(cnd) ? 1 : -1]
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// check that unsigned multiplication does not overflow
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template<class T> bool is_mul_ok(T count, T elsize)
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{
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CASSERT((T)(-1) > 0); // make sure T is unsigned
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if (elsize == 0 || count == 0)
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return true;
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return count <= ((T)(-1)) / elsize;
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}
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// multiplication that saturates (yields the biggest value) instead of overflowing
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// such a construct is useful in "operator new[]"
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template<class T> bool saturated_mul(T count, T elsize)
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{
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return is_mul_ok(count, elsize) ? count * elsize : T(-1);
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}
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#include <stddef.h> // for size_t
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// memcpy() with determined behavoir: it always copies
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// from the start to the end of the buffer
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// note: it copies byte by byte, so it is not equivalent to, for example, rep movsd
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inline void* qmemcpy(void* dst, const void* src, size_t cnt)
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{
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char* out = (char*)dst;
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const char* in = (const char*)src;
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while (cnt > 0)
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{
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*out++ = *in++;
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--cnt;
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}
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return dst;
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}
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// Generate a reference to pair of operands
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template<class T> int16 __PAIR__(int8 high, T low) { return (((int16)high) << sizeof(high) * 8) | uint8(low); }
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template<class T> int32 __PAIR__(int16 high, T low) { return (((int32)high) << sizeof(high) * 8) | uint16(low); }
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template<class T> int64 __PAIR__(int32 high, T low) { return (((int64)high) << sizeof(high) * 8) | uint32(low); }
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template<class T> uint16 __PAIR__(uint8 high, T low) { return (((uint16)high) << sizeof(high) * 8) | uint8(low); }
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template<class T> uint32 __PAIR__(uint16 high, T low) { return (((uint32)high) << sizeof(high) * 8) | uint16(low); }
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template<class T> uint64 __PAIR__(uint32 high, T low) { return (((uint64)high) << sizeof(high) * 8) | uint32(low); }
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// rotate left
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template<class T> T __ROL__(T value, int count)
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{
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const uint nbits = sizeof(T) * 8;
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if (count > 0)
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{
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count %= nbits;
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T high = value >> (nbits - count);
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if (T(-1) < 0) // signed value
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high &= ~((T(-1) << count));
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value <<= count;
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value |= high;
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}
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else
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{
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count = -count % nbits;
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T low = value << (nbits - count);
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value >>= count;
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value |= low;
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}
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return value;
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}
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inline uint8 __ROL1__(uint8 value, int count) { return __ROL__((uint8)value, count); }
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inline uint16 __ROL2__(uint16 value, int count) { return __ROL__((uint16)value, count); }
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inline uint32 __ROL4__(uint32 value, int count) { return __ROL__((uint32)value, count); }
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inline uint64 __ROL8__(uint64 value, int count) { return __ROL__((uint64)value, count); }
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inline uint8 __ROR1__(uint8 value, int count) { return __ROL__((uint8)value, -count); }
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inline uint16 __ROR2__(uint16 value, int count) { return __ROL__((uint16)value, -count); }
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inline uint32 __ROR4__(uint32 value, int count) { return __ROL__((uint32)value, -count); }
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inline uint64 __ROR8__(uint64 value, int count) { return __ROL__((uint64)value, -count); }
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// carry flag of left shift
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template<class T> int8 __MKCSHL__(T value, uint count)
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{
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const uint nbits = sizeof(T) * 8;
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count %= nbits;
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return (value >> (nbits - count)) & 1;
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}
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// carry flag of right shift
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template<class T> int8 __MKCSHR__(T value, uint count)
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{
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return (value >> (count - 1)) & 1;
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}
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// sign flag
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template<class T> int8 __SETS__(T x)
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{
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if (sizeof(T) == 1)
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return int8(x) < 0;
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if (sizeof(T) == 2)
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return int16(x) < 0;
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if (sizeof(T) == 4)
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return int32(x) < 0;
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return int64(x) < 0;
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}
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// overflow flag of subtraction (x-y)
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template<class T, class U> int8 __OFSUB__(T x, U y)
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{
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if (sizeof(T) < sizeof(U))
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{
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U x2 = x;
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int8 sx = __SETS__(x2);
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return (sx ^ __SETS__(y)) & (sx ^ __SETS__(x2 - y));
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}
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else
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{
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T y2 = y;
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int8 sx = __SETS__(x);
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return (sx ^ __SETS__(y2)) & (sx ^ __SETS__(x - y2));
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}
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}
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// overflow flag of addition (x+y)
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template<class T, class U> int8 __OFADD__(T x, U y)
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{
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if (sizeof(T) < sizeof(U))
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{
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U x2 = x;
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int8 sx = __SETS__(x2);
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return ((1 ^ sx) ^ __SETS__(y)) & (sx ^ __SETS__(x2 + y));
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}
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else
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{
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T y2 = y;
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int8 sx = __SETS__(x);
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return ((1 ^ sx) ^ __SETS__(y2)) & (sx ^ __SETS__(x + y2));
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}
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}
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// carry flag of subtraction (x-y)
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template<class T, class U> int8 __CFSUB__(T x, U y)
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{
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int size = sizeof(T) > sizeof(U) ? sizeof(T) : sizeof(U);
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if (size == 1)
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return uint8(x) < uint8(y);
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if (size == 2)
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return uint16(x) < uint16(y);
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if (size == 4)
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return uint32(x) < uint32(y);
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return uint64(x) < uint64(y);
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}
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// carry flag of addition (x+y)
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template<class T, class U> int8 __CFADD__(T x, U y)
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{
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int size = sizeof(T) > sizeof(U) ? sizeof(T) : sizeof(U);
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if (size == 1)
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return uint8(x) > uint8(x + y);
|
||
|
|
if (size == 2)
|
||
|
|
return uint16(x) > uint16(x + y);
|
||
|
|
if (size == 4)
|
||
|
|
return uint32(x) > uint32(x + y);
|
||
|
|
return uint64(x) > uint64(x + y);
|
||
|
|
}
|
||
|
|
|
||
|
|
#else
|
||
|
|
// The following definition is not quite correct because it always returns
|
||
|
|
// uint64. The above C++ functions are good, though.
|
||
|
|
#define __PAIR__(high, low) (((uint64)(high)<<sizeof(high)*8) | low)
|
||
|
|
// For C, we just provide macros, they are not quite correct.
|
||
|
|
#define __ROL__(x, y) __rotl__(x, y) // Rotate left
|
||
|
|
#define __ROR__(x, y) __rotr__(x, y) // Rotate right
|
||
|
|
#define __CFSHL__(x, y) invalid_operation // Generate carry flag for (x<<y)
|
||
|
|
#define __CFSHR__(x, y) invalid_operation // Generate carry flag for (x>>y)
|
||
|
|
#define __CFADD__(x, y) invalid_operation // Generate carry flag for (x+y)
|
||
|
|
#define __CFSUB__(x, y) invalid_operation // Generate carry flag for (x-y)
|
||
|
|
#define __OFADD__(x, y) invalid_operation // Generate overflow flag for (x+y)
|
||
|
|
#define __OFSUB__(x, y) invalid_operation // Generate overflow flag for (x-y)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
// No definition for rcl/rcr because the carry flag is unknown
|
||
|
|
#define __RCL__(x, y) invalid_operation // Rotate left thru carry
|
||
|
|
#define __RCR__(x, y) invalid_operation // Rotate right thru carry
|
||
|
|
#define __MKCRCL__(x, y) invalid_operation // Generate carry flag for a RCL
|
||
|
|
#define __MKCRCR__(x, y) invalid_operation // Generate carry flag for a RCR
|
||
|
|
#define __SETP__(x, y) invalid_operation // Generate parity flag for (x-y)
|
||
|
|
|
||
|
|
// In the decompilation listing there are some objects declarared as _UNKNOWN
|
||
|
|
// because we could not determine their types. Since the C compiler does not
|
||
|
|
// accept void item declarations, we replace them by anything of our choice,
|
||
|
|
// for example a char:
|
||
|
|
|
||
|
|
#define _UNKNOWN char
|
||
|
|
|
||
|
|
#ifdef _MSC_VER
|
||
|
|
#define snprintf _snprintf
|
||
|
|
#define vsnprintf _vsnprintf
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif // HEXRAYS_DEFS_H
|