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Sync sys/platform.h, incl. Workaround for MCST-LCC compiler
Workaround for MCST-LCC compiler < 1.28 version mcst-lcc < 1.28 does not support __builtin_alloca_with_align() Ref: http://mcst.ru/lcc
This commit is contained in:
Daniel Gibson
parent
bad9c08c3f
commit
d27f2c2c40
1 changed files with 69 additions and 7 deletions
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@ -32,6 +32,16 @@ If you have questions concerning this license or the applicable additional terms
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#include "config.h"
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#include "framework/BuildDefines.h"
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#ifdef _WIN32
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#include <malloc.h> // _alloca()
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#endif
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// NOTE: By default Win32 uses a 1MB stack. Doom3 1.3.1 uses 4MB (probably set after compiling with EDITBIN /STACK
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// dhewm3 now uses a 8MB stack, set with a linker flag in CMakeLists.txt (/STACK:8388608 for MSVC, -Wl,--stack,8388608 for mingw)
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// Linux has a 8MB stack by default, and so does macOS, at least for the main thread
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// anyway, a 2MB limit alloca should be safe even when using it multiple times in the same function
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#define ID_MAX_ALLOCA_SIZE 2097152 // 2MB
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/*
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===============================================================================
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@ -40,7 +50,7 @@ If you have questions concerning this license or the applicable additional terms
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===============================================================================
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*/
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// Win32
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// AROS
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#if defined(__AROS__)
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#define _alloca alloca
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@ -71,7 +81,14 @@ If you have questions concerning this license or the applicable additional terms
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// Win32
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#if defined(WIN32) || defined(_WIN32)
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#define _alloca16( x ) ((void *)((((uintptr_t)_alloca( (x)+15 )) + 15) & ~15))
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#ifdef __MINGW32__
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#undef _alloca // in mingw _alloca is a #define
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#define _alloca16( x ) ( (assert((x)<ID_MAX_ALLOCA_SIZE)), __builtin_alloca_with_align( (x), 16*8 ) )
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#define _alloca( x ) ( (assert((x)<ID_MAX_ALLOCA_SIZE)), __builtin_alloca( (x) ) )
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#else
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#define _alloca16( x ) ( (void *) ( (assert((x)<ID_MAX_ALLOCA_SIZE)), ((((uintptr_t)_alloca( (x)+15 )) + 15) & ~15) ) )
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#define _alloca( x ) ( (void *) ( (assert((x)<ID_MAX_ALLOCA_SIZE)), _alloca( (x) ) ) )
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#endif
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#define PATHSEPERATOR_STR "\\"
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#define PATHSEPERATOR_CHAR '\\'
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@ -105,6 +122,35 @@ If you have questions concerning this license or the applicable additional terms
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#endif
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// Setting D3_ARCH for VisualC++ from CMake doesn't work when using VS integrated CMake
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// so set it in code instead
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#ifdef _MSC_VER
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#ifdef D3_ARCH
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#undef D3_ARCH
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#endif // D3_ARCH
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#ifdef _M_X64
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// this matches AMD64 and ARM64EC (but not regular ARM64), but they're supposed to be binary-compatible somehow, so whatever
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#define D3_ARCH "x86_64"
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#elif defined(_M_ARM64)
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#define D3_ARCH "arm64"
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#elif defined(_M_ARM)
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#define D3_ARCH "arm"
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#elif defined(_M_IX86)
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#define D3_ARCH "x86"
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#else
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// if you're not targeting one of the aforementioned architectures,
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// check https://learn.microsoft.com/en-us/cpp/preprocessor/predefined-macros
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// to find out how to detect yours and add it here - and please send a patch :)
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#error "Unknown CPU architecture!"
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// (for a quick and dirty solution, comment out the previous line, but keep in mind
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// that savegames may not be compatible with other builds of dhewm3)
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#define D3_ARCH "UNKNOWN"
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#endif // _M_X64 etc
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#endif // _MSC_VER
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// Mac OSX
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#if defined(MACOS_X) || defined(__APPLE__)
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@ -139,8 +185,15 @@ If you have questions concerning this license or the applicable additional terms
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// Unix
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#ifdef __unix__
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#define _alloca alloca
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#define _alloca16( x ) ((void *)((((uintptr_t)alloca( (x)+15 )) + 15) & ~15))
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#if !defined(__GNUC__) || (defined(__MCST__) && __LCC__ < 128)
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// MCST-LCC < 1.28 does not support __builtin_alloca_with_align()
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#define _alloca( x ) (({assert( (x)<ID_MAX_ALLOCA_SIZE );}), alloca( (x) ))
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#define _alloca16( x ) (({assert( (x)<ID_MAX_ALLOCA_SIZE );}),((void *)((((uintptr_t)alloca( (x)+15 )) + 15) & ~15)))
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#else
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// GCC, CLANG, MCST-LCC >= 1.28
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#define _alloca16( x ) ( ({assert((x)<ID_MAX_ALLOCA_SIZE);}), __builtin_alloca_with_align( (x), 16*8 ) )
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#define _alloca( x ) ( ({assert((x)<ID_MAX_ALLOCA_SIZE);}), __builtin_alloca( (x) ) )
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#endif
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#ifdef GAME_DLL
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#define ID_GAME_API __attribute__((visibility ("default")))
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@ -179,9 +232,6 @@ If you have questions concerning this license or the applicable additional terms
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// MSVC does not provide this C99 header
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#include <inttypes.h>
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#endif
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#if defined(__MINGW32__)
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#include <malloc.h>
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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@ -200,6 +250,18 @@ If you have questions concerning this license or the applicable additional terms
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#undef FindText // stupid namespace poluting Microsoft monkeys
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#endif
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// Apple legacy
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#ifdef __APPLE__
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#include <Availability.h>
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#ifdef __MAC_OS_X_VERSION_MIN_REQUIRED
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#if __MAC_OS_X_VERSION_MIN_REQUIRED == 1040
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#define OSX_TIGER
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#elif __MAC_OS_X_VERSION_MIN_REQUIRED < 1060
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#define OSX_LEOPARD
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#endif
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#endif
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#endif
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#define ID_TIME_T time_t
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typedef unsigned char byte; // 8 bits
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