/* PCSX2 - PS2 Emulator for PCs * Copyright (C) 2002-2010 PCSX2 Dev Team * * PCSX2 is free software: you can redistribute it and/or modify it under the terms * of the GNU Lesser General Public License as published by the Free Software Found- * ation, either version 3 of the License, or (at your option) any later version. * * PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR * PURPOSE. See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along with PCSX2. * If not, see . */ #ifndef __PCSX2DEFS_H__ #define __PCSX2DEFS_H__ // Indicate that this is the wx port to the plugins. #define WX_PCSX2 // some distributions are lower case #if defined (__linux__) || defined(__CYGWIN__) #if !defined(__LINUX__) # define __LINUX__ #endif #endif #include "Pcsx2Types.h" #ifdef _MSC_VER # include #else # include #endif // Renamed ARRAYSIZE to ArraySize -- looks nice and gets rid of Windows.h conflicts (air) // Notes: I'd have used ARRAY_SIZE instead but ran into cross-platform lib conflicts with // that as well. >_< #ifndef ArraySize # define ArraySize(x) (sizeof(x)/sizeof((x)[0])) #endif ////////////////////////////////////////////////////////////////////////////////////////// // __releaseinline -- a forceinline macro that is enabled for RELEASE/PUBLIC builds ONLY. // This is useful because forceinline can make certain types of debugging problematic since // functions that look like they should be called won't breakpoint since their code is // inlined, and it can make stack traces confusing or near useless. // // Use __releaseinline for things which are generally large functions where trace debugging // from Devel builds is likely useful; but which should be inlined in an optimized Release // environment. // #ifdef PCSX2_DEVBUILD # define __releaseinline #else # define __releaseinline __forceinline #endif ////////////////////////////////////////////////////////////////////////////////////////// // jASSUME - give hints to the optimizer // This is primarily useful for the default case switch optimizer, which enables VC to // generate more compact switches. // // Note: When using the PCSX2 Utilities library, this is deprecated. Use pxAssert instead, // which itself optimizes to an __assume() hint in release mode builds. // #ifndef jASSUME # ifdef NDEBUG # define jBREAKPOINT() ((void) 0) # ifdef _MSC_VER # define jASSUME(exp) (__assume(exp)) # else # define jASSUME(exp) ((void) sizeof(exp)) # endif # else # define jBREAKPOINT() __debugbreak(); # ifdef wxASSERT # define jASSUME(exp) wxASSERT(exp) # else # define jASSUME(exp) do { if(exp) ; else jBREAKPOINT(); } while(0); # endif # endif #endif ////////////////////////////////////////////////////////////////////////////////////////// // compile-time assertion; usable at static variable define level. // (typically used to confirm the correct sizeof() for struct types where size // restaints must be enforced). // #ifndef C_ASSERT # define C_ASSERT(e) typedef char __C_ASSERT__[(e)?1:-1] #endif ////////////////////////////////////////////////////////////////////////////////////////// // Dev / Debug conditionals - Consts for using if() statements instead of uglier #ifdef. // // Note: Using if() optimizes nicely in Devel and Release builds, but will generate extra // code overhead in debug builds (since debug neither inlines, nor optimizes out const- // level conditionals). Normally not a concern, but if you stick if( IsDevbuild ) in // some tight loops it will likely make debug builds unusably slow. // #ifdef __cplusplus # ifdef PCSX2_DEVBUILD static const bool IsDevBuild = true; # else static const bool IsDevBuild = false; # endif # ifdef PCSX2_DEBUG static const bool IsDebugBuild = true; # else static const bool IsDebugBuild = false; # endif #else # ifdef PCSX2_DEVBUILD static const u8 IsDevBuild = 1; # else static const u8 IsDevBuild = 0; # endif # ifdef PCSX2_DEBUG static const u8 IsDebugBuild = 1; # else static const u8 IsDebugBuild = 0; # endif #endif #ifdef PCSX2_DEBUG # define pxDebugCode(code) code #else # define pxDebugCode(code) #endif ////////////////////////////////////////////////////////////////////////////////////////// // __aligned / __aligned16 / __pagealigned // // GCC Warning! The GCC linker (LD) typically fails to assure alignment of class members. // If you want alignment to be assured, the variable must either be a member of a struct // or a static global. // // __pagealigned is equivalent to __aligned(0x1000), and is used to align a dynarec code // buffer to a page boundary (allows the use of execution-enabled mprotect). // // General Performance Warning: Any function that specifies alignment on a local (stack) // variable will have to align the stack frame on enter, and restore it on exit (adds // overhead). Furthermore, compilers cannot inline functions that have aligned local // vars. So use local var alignment with much caution. // // Defines the memory page size for the target platform at compilation. All supported platforms // (which means Intel only right now) have a 4k granularity. #define PCSX2_PAGESIZE 0x1000 static const int __pagesize = PCSX2_PAGESIZE; ////////////////////////////////////////////////////////////////////////////////////////// // Structure Packing (__packed) // // Current Method: // Use a combination of embedded compiler-specific #pragma mess in conjunction with a // __packed macro. The former appeases the MSVC gods, the latter appeases the GCC gods. // The end result looks something like this: // // #ifdef _MSC_VER // # pragma pack(1) // #endif // // struct SomeKindaFail { // u8 neat; // u32 unaligned32; // } __packed; // // MSVC 2008 and better support __pragma, however there's no way to support that in // a way that's backwards compatible to VS 2005, without still including the old-style // #pragma mess. So there's really not much point (yet) in using it. I've included macros // that utilize __pragma (commented out below) which can be deployed at a time when we // are ok with the idea of completely breaking backwards compat with VC2005/prior. // // -------------------------------------------------------------------------------------- // Microsoft Visual Studio // -------------------------------------------------------------------------------------- #ifdef _MSC_VER // Using these breaks compat with VC2005; so we're not using it yet. //# define __pack_begin __pragma(pack(1)) //# define __pack_end __pragma(pack()) // This is the 2005/earlier compatible packing define, which must be used in conjunction // with #ifdef _MSC_VER/#pragma pack() directives (ugly). # define __packed # define __aligned(alig) __declspec(align(alig)) # define __aligned16 __declspec(align(16)) # define __pagealigned __declspec(align(PCSX2_PAGESIZE)) // Deprecated; use __align instead. # define PCSX2_ALIGNED(alig,x) __declspec(align(alig)) x # define PCSX2_ALIGNED_EXTERN(alig,x) extern __declspec(align(alig)) x # define PCSX2_ALIGNED16(x) __declspec(align(16)) x # define PCSX2_ALIGNED16_EXTERN(x) extern __declspec(align(16)) x # define __naked __declspec(naked) # define __noinline __declspec(noinline) # define __threadlocal __declspec(thread) // Don't know if there are Visual C++ equivalents of these. # define __hot # define __cold # define likely(x) (!!(x)) # define unlikely(x) (!!(x)) # define CALLBACK __stdcall #else // -------------------------------------------------------------------------------------- // GCC / Intel Compilers Section // -------------------------------------------------------------------------------------- # define __packed __attribute__((packed)) # define __aligned(alig) __attribute__((aligned(alig))) # define __aligned16 __attribute__((aligned(16))) # define __pagealigned __attribute__((aligned(PCSX2_PAGESIZE))) // Deprecated; use __align instead. # define PCSX2_ALIGNED(alig,x) x __attribute((aligned(alig))) # define PCSX2_ALIGNED16(x) x __attribute((aligned(16))) # define PCSX2_ALIGNED_EXTERN(alig,x) extern x __attribute((aligned(alig))) # define PCSX2_ALIGNED16_EXTERN(x) extern x __attribute((aligned(16))) # define __naked // GCC lacks the naked specifier # define __assume(cond) ((void)0) // GCC has no equivalent for __assume # define CALLBACK __attribute__((stdcall)) // Inlining note: GCC needs ((unused)) attributes defined on inlined functions to suppress // warnings when a static inlined function isn't used in the scope of a single file (which // happens *by design* like all the friggen time >_<) # define __fastcall __attribute__((fastcall)) # define _inline __inline__ __attribute__((unused)) # ifdef NDEBUG # define __forceinline __attribute__((always_inline,unused)) # else # define __forceinline __attribute__((unused)) # endif # define __noinline __attribute__((noinline)) # define __hot __attribute__((hot)) # define __cold __attribute__((cold)) # define __threadlocal __thread # define likely(x) __builtin_expect(!!(x), 1) # define unlikely(x) __builtin_expect(!!(x), 0) #endif // -------------------------------------------------------------------------------------- // GNU C/C++ Specific Defines // -------------------------------------------------------------------------------------- #ifdef __GNUC__ // GCC 4.4.0 is a bit nutty, as compilers go. it gets a define to itself. # define GCC_VERSION ( __GNUC__ * 10000 \ + __GNUC_MINOR__ * 100 \ + __GNUC_PATCHLEVEL__) // Test for GCC > 4.4.0; Should be adjusted when new versions come out # if GCC_VERSION >= 40400 # define THE_UNBEARABLE_LIGHTNESS_OF_BEING_GCC_4_4_0 # define __nooptimization __attribute__((optimize("O0"))) # endif // This theoretically unoptimizes. Not having much luck so far. /* # ifdef THE_UNBEARABLE_LIGHTNESS_OF_BEING_GCC_4_4_0 # pragma GCC optimize ("O0") # endif # ifdef THE_UNBEARABLE_LIGHTNESS_OF_BEING_GCC_4_4_0 # pragma GCC reset_options # endif */ #endif // end GCC-specific section. #ifndef THE_UNBEARABLE_LIGHTNESS_OF_BEING_GCC_4_4_0 # define __nooptimization #endif #endif