diff options
Diffstat (limited to 'Source/JavaScriptCore/wtf/wince')
| -rw-r--r-- | Source/JavaScriptCore/wtf/wince/FastMallocWinCE.h | 175 | ||||
| -rw-r--r-- | Source/JavaScriptCore/wtf/wince/MemoryManager.cpp | 171 | ||||
| -rw-r--r-- | Source/JavaScriptCore/wtf/wince/MemoryManager.h | 80 | ||||
| -rw-r--r-- | Source/JavaScriptCore/wtf/wince/mt19937ar.c | 170 |
4 files changed, 596 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/wtf/wince/FastMallocWinCE.h b/Source/JavaScriptCore/wtf/wince/FastMallocWinCE.h new file mode 100644 index 0000000..d91a5f2 --- /dev/null +++ b/Source/JavaScriptCore/wtf/wince/FastMallocWinCE.h @@ -0,0 +1,175 @@ +/* + * Copyright (C) 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. + * Copyright (C) 2007-2009 Torch Mobile, Inc. All rights reserved + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this library; see the file COPYING.LIB. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + */ + +#ifndef WTF_FastMallocWinCE_h +#define WTF_FastMallocWinCE_h + +#include <new.h> + +#ifdef __cplusplus +#include <new> +#include "MemoryManager.h" +extern "C" { +#endif + +void* fastMalloc(size_t n); +void* fastCalloc(size_t n_elements, size_t element_size); +void fastFree(void* p); +void* fastRealloc(void* p, size_t n); +void* fastZeroedMalloc(size_t n); +// These functions return 0 if an allocation fails. +void* tryFastMalloc(size_t n); +void* tryFastZeroedMalloc(size_t n); +void* tryFastCalloc(size_t n_elements, size_t element_size); +void* tryFastRealloc(void* p, size_t n); +char* fastStrDup(const char*); + +#ifndef NDEBUG +void fastMallocForbid(); +void fastMallocAllow(); +#endif + +#if !defined(USE_SYSTEM_MALLOC) || !USE_SYSTEM_MALLOC + +#define malloc(n) fastMalloc(n) +#define calloc(n_elements, element_size) fastCalloc(n_elements, element_size) +#define realloc(p, n) fastRealloc(p, n) +#define free(p) fastFree(p) +#define strdup(p) fastStrDup(p) + +#else + +#define strdup(p) _strdup(p) + +#endif + +#ifdef __cplusplus +} +#endif + +#ifdef __cplusplus +#if !defined(USE_SYSTEM_MALLOC) || !USE_SYSTEM_MALLOC +static inline void* __cdecl operator new(size_t s) { return fastMalloc(s); } +static inline void __cdecl operator delete(void* p) { fastFree(p); } +static inline void* __cdecl operator new[](size_t s) { return fastMalloc(s); } +static inline void __cdecl operator delete[](void* p) { fastFree(p); } +static inline void* operator new(size_t s, const std::nothrow_t&) throw() { return fastMalloc(s); } +static inline void operator delete(void* p, const std::nothrow_t&) throw() { fastFree(p); } +static inline void* operator new[](size_t s, const std::nothrow_t&) throw() { return fastMalloc(s); } +static inline void operator delete[](void* p, const std::nothrow_t&) throw() { fastFree(p); } +#endif + +namespace WTF { + // This defines a type which holds an unsigned integer and is the same + // size as the minimally aligned memory allocation. + typedef unsigned long long AllocAlignmentInteger; + + namespace Internal { + enum AllocType { // Start with an unusual number instead of zero, because zero is common. + AllocTypeMalloc = 0x375d6750, // Encompasses fastMalloc, fastZeroedMalloc, fastCalloc, fastRealloc. + AllocTypeClassNew, // Encompasses class operator new from FastAllocBase. + AllocTypeClassNewArray, // Encompasses class operator new[] from FastAllocBase. + AllocTypeFastNew, // Encompasses fastNew. + AllocTypeFastNewArray, // Encompasses fastNewArray. + AllocTypeNew, // Encompasses global operator new. + AllocTypeNewArray // Encompasses global operator new[]. + }; + } + + +#if ENABLE(FAST_MALLOC_MATCH_VALIDATION) + + // Malloc validation is a scheme whereby a tag is attached to an + // allocation which identifies how it was originally allocated. + // This allows us to verify that the freeing operation matches the + // allocation operation. If memory is allocated with operator new[] + // but freed with free or delete, this system would detect that. + // In the implementation here, the tag is an integer prepended to + // the allocation memory which is assigned one of the AllocType + // enumeration values. An alternative implementation of this + // scheme could store the tag somewhere else or ignore it. + // Users of FastMalloc don't need to know or care how this tagging + // is implemented. + + namespace Internal { + + // Return the AllocType tag associated with the allocated block p. + inline AllocType fastMallocMatchValidationType(const void* p) + { + const AllocAlignmentInteger* type = static_cast<const AllocAlignmentInteger*>(p) - 1; + return static_cast<AllocType>(*type); + } + + // Return the address of the AllocType tag associated with the allocated block p. + inline AllocAlignmentInteger* fastMallocMatchValidationValue(void* p) + { + return reinterpret_cast<AllocAlignmentInteger*>(static_cast<char*>(p) - sizeof(AllocAlignmentInteger)); + } + + // Set the AllocType tag to be associaged with the allocated block p. + inline void setFastMallocMatchValidationType(void* p, AllocType allocType) + { + AllocAlignmentInteger* type = static_cast<AllocAlignmentInteger*>(p) - 1; + *type = static_cast<AllocAlignmentInteger>(allocType); + } + + // Handle a detected alloc/free mismatch. By default this calls CRASH(). + void fastMallocMatchFailed(void* p); + + } // namespace Internal + + // This is a higher level function which is used by FastMalloc-using code. + inline void fastMallocMatchValidateMalloc(void* p, Internal::AllocType allocType) + { + if (!p) + return; + + Internal::setFastMallocMatchValidationType(p, allocType); + } + + // This is a higher level function which is used by FastMalloc-using code. + inline void fastMallocMatchValidateFree(void* p, Internal::AllocType allocType) + { + if (!p) + return; + + if (Internal::fastMallocMatchValidationType(p) != allocType) + Internal::fastMallocMatchFailed(p); + Internal::setFastMallocMatchValidationType(p, Internal::AllocTypeMalloc); // Set it to this so that fastFree thinks it's OK. + } + +#else + + inline void fastMallocMatchValidateMalloc(void*, Internal::AllocType) + { + } + + inline void fastMallocMatchValidateFree(void*, Internal::AllocType) + { + } + +#endif + +} // namespace WTF + +#endif + +#endif // WTF_FastMallocWinCE_h diff --git a/Source/JavaScriptCore/wtf/wince/MemoryManager.cpp b/Source/JavaScriptCore/wtf/wince/MemoryManager.cpp new file mode 100644 index 0000000..81d4f80 --- /dev/null +++ b/Source/JavaScriptCore/wtf/wince/MemoryManager.cpp @@ -0,0 +1,171 @@ +/* + * Copyright (C) 2008-2009 Torch Mobile Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this library; see the file COPYING.LIB. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +#include "config.h" +#include "MemoryManager.h" + +#undef malloc +#undef calloc +#undef realloc +#undef free +#undef strdup +#undef _strdup +#undef VirtualAlloc +#undef VirtualFree + +#include <malloc.h> +#include <windows.h> + +namespace WTF { + +MemoryManager* memoryManager() +{ + static MemoryManager mm; + return &mm; +} + +MemoryManager::MemoryManager() +: m_allocationCanFail(false) +{ +} + +MemoryManager::~MemoryManager() +{ +} + +HBITMAP MemoryManager::createCompatibleBitmap(HDC hdc, int width, int height) +{ + return ::CreateCompatibleBitmap(hdc, width, height); +} + +HBITMAP MemoryManager::createDIBSection(const BITMAPINFO* pbmi, void** ppvBits) +{ + return ::CreateDIBSection(0, pbmi, DIB_RGB_COLORS, ppvBits, 0, 0); +} + +void* MemoryManager::m_malloc(size_t size) +{ + return malloc(size); +} + +void* MemoryManager::m_calloc(size_t num, size_t size) +{ + return calloc(num, size); +} + +void* MemoryManager::m_realloc(void* p, size_t size) +{ + return realloc(p, size); +} + +void MemoryManager::m_free(void* p) +{ + return free(p); +} + +bool MemoryManager::resizeMemory(void*, size_t) +{ + return false; +} + +void* MemoryManager::allocate64kBlock() +{ + return VirtualAlloc(0, 65536, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE); +} + +void MemoryManager::free64kBlock(void* p) +{ + VirtualFree(p, 65536, MEM_RELEASE); +} + +bool MemoryManager::onIdle(DWORD& timeLimitMs) +{ + return false; +} + +LPVOID MemoryManager::virtualAlloc(LPVOID lpAddress, DWORD dwSize, DWORD flAllocationType, DWORD flProtect) +{ + return ::VirtualAlloc(lpAddress, dwSize, flAllocationType, flProtect); +} + +BOOL MemoryManager::virtualFree(LPVOID lpAddress, DWORD dwSize, DWORD dwFreeType) +{ + return ::VirtualFree(lpAddress, dwSize, dwFreeType); +} + + +#if defined(USE_SYSTEM_MALLOC) && USE_SYSTEM_MALLOC + +void *fastMalloc(size_t n) { return malloc(n); } +void *fastCalloc(size_t n_elements, size_t element_size) { return calloc(n_elements, element_size); } +void fastFree(void* p) { return free(p); } +void *fastRealloc(void* p, size_t n) { return realloc(p, n); } + +#else + +void *fastMalloc(size_t n) { return MemoryManager::m_malloc(n); } +void *fastCalloc(size_t n_elements, size_t element_size) { return MemoryManager::m_calloc(n_elements, element_size); } +void fastFree(void* p) { return MemoryManager::m_free(p); } +void *fastRealloc(void* p, size_t n) { return MemoryManager::m_realloc(p, n); } + +#endif + +#ifndef NDEBUG +void fastMallocForbid() {} +void fastMallocAllow() {} +#endif + +void* fastZeroedMalloc(size_t n) +{ + void* p = fastMalloc(n); + if (p) + memset(p, 0, n); + return p; +} + +TryMallocReturnValue tryFastMalloc(size_t n) +{ + MemoryAllocationCanFail canFail; + return fastMalloc(n); +} + +TryMallocReturnValue tryFastZeroedMalloc(size_t n) +{ + MemoryAllocationCanFail canFail; + return fastZeroedMalloc(n); +} + +TryMallocReturnValue tryFastCalloc(size_t n_elements, size_t element_size) +{ + MemoryAllocationCanFail canFail; + return fastCalloc(n_elements, element_size); +} + +TryMallocReturnValue tryFastRealloc(void* p, size_t n) +{ + MemoryAllocationCanFail canFail; + return fastRealloc(p, n); +} + +char* fastStrDup(const char* str) +{ + return _strdup(str); +} + +}
\ No newline at end of file diff --git a/Source/JavaScriptCore/wtf/wince/MemoryManager.h b/Source/JavaScriptCore/wtf/wince/MemoryManager.h new file mode 100644 index 0000000..f405612 --- /dev/null +++ b/Source/JavaScriptCore/wtf/wince/MemoryManager.h @@ -0,0 +1,80 @@ +/* + * Copyright (C) 2008-2009 Torch Mobile Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this library; see the file COPYING.LIB. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +#pragma once + +#include <winbase.h> + +typedef struct HBITMAP__* HBITMAP; +typedef struct HDC__* HDC; +typedef void *HANDLE; +typedef struct tagBITMAPINFO BITMAPINFO; + +namespace WTF { + + class MemoryManager { + public: + MemoryManager(); + ~MemoryManager(); + + bool allocationCanFail() const { return m_allocationCanFail; } + void setAllocationCanFail(bool c) { m_allocationCanFail = c; } + + static HBITMAP createCompatibleBitmap(HDC hdc, int width, int height); + static HBITMAP createDIBSection(const BITMAPINFO* pbmi, void** ppvBits); + static void* m_malloc(size_t size); + static void* m_calloc(size_t num, size_t size); + static void* m_realloc(void* p, size_t size); + static void m_free(void*); + static bool resizeMemory(void* p, size_t newSize); + static void* allocate64kBlock(); + static void free64kBlock(void*); + static bool onIdle(DWORD& timeLimitMs); + static LPVOID virtualAlloc(LPVOID lpAddress, DWORD dwSize, DWORD flAllocationType, DWORD flProtect); + static BOOL virtualFree(LPVOID lpAddress, DWORD dwSize, DWORD dwFreeType); + + private: + friend MemoryManager* memoryManager(); + + bool m_allocationCanFail; + }; + + MemoryManager* memoryManager(); + + class MemoryAllocationCanFail { + public: + MemoryAllocationCanFail() : m_old(memoryManager()->allocationCanFail()) { memoryManager()->setAllocationCanFail(true); } + ~MemoryAllocationCanFail() { memoryManager()->setAllocationCanFail(m_old); } + private: + bool m_old; + }; + + class MemoryAllocationCannotFail { + public: + MemoryAllocationCannotFail() : m_old(memoryManager()->allocationCanFail()) { memoryManager()->setAllocationCanFail(false); } + ~MemoryAllocationCannotFail() { memoryManager()->setAllocationCanFail(m_old); } + private: + bool m_old; + }; +} + +using WTF::MemoryManager; +using WTF::memoryManager; +using WTF::MemoryAllocationCanFail; +using WTF::MemoryAllocationCannotFail; diff --git a/Source/JavaScriptCore/wtf/wince/mt19937ar.c b/Source/JavaScriptCore/wtf/wince/mt19937ar.c new file mode 100644 index 0000000..4715958 --- /dev/null +++ b/Source/JavaScriptCore/wtf/wince/mt19937ar.c @@ -0,0 +1,170 @@ +/* + A C-program for MT19937, with initialization improved 2002/1/26. + Coded by Takuji Nishimura and Makoto Matsumoto. + + Before using, initialize the state by using init_genrand(seed) + or init_by_array(init_key, key_length). + + Copyright (C) 1997 - 2002, Makoto Matsumoto and Takuji Nishimura, + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + 3. The names of its contributors may not be used to endorse or promote + products derived from this software without specific prior written + permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + + + Any feedback is very welcome. + http://www.math.sci.hiroshima-u.ac.jp/~m-mat/MT/emt.html + email: m-mat @ math.sci.hiroshima-u.ac.jp (remove space) +*/ + +#include <stdio.h> + +/* Period parameters */ +#define N 624 +#define M 397 +#define MATRIX_A 0x9908b0dfUL /* constant vector a */ +#define UPPER_MASK 0x80000000UL /* most significant w-r bits */ +#define LOWER_MASK 0x7fffffffUL /* least significant r bits */ + +static unsigned long mt[N]; /* the array for the state vector */ +static int mti=N+1; /* mti==N+1 means mt[N] is not initialized */ + +/* initializes mt[N] with a seed */ +void init_genrand(unsigned long s) +{ + mt[0]= s & 0xffffffffUL; + for (mti=1; mti<N; mti++) { + mt[mti] = (1812433253UL * (mt[mti-1] ^ (mt[mti-1] >> 30)) + mti); + /* See Knuth TAOCP Vol2. 3rd Ed. P.106 for multiplier. */ + /* In the previous versions, MSBs of the seed affect */ + /* only MSBs of the array mt[]. */ + /* 2002/01/09 modified by Makoto Matsumoto */ + mt[mti] &= 0xffffffffUL; + /* for >32 bit machines */ + } +} + +/* initialize by an array with array-length */ +/* init_key is the array for initializing keys */ +/* key_length is its length */ +/* slight change for C++, 2004/2/26 */ +void init_by_array(unsigned long init_key[],int key_length) +{ + int i, j, k; + init_genrand(19650218UL); + i=1; j=0; + k = (N>key_length ? N : key_length); + for (; k; k--) { + mt[i] = (mt[i] ^ ((mt[i-1] ^ (mt[i-1] >> 30)) * 1664525UL)) + + init_key[j] + j; /* non linear */ + mt[i] &= 0xffffffffUL; /* for WORDSIZE > 32 machines */ + i++; j++; + if (i>=N) { mt[0] = mt[N-1]; i=1; } + if (j>=key_length) j=0; + } + for (k=N-1; k; k--) { + mt[i] = (mt[i] ^ ((mt[i-1] ^ (mt[i-1] >> 30)) * 1566083941UL)) + - i; /* non linear */ + mt[i] &= 0xffffffffUL; /* for WORDSIZE > 32 machines */ + i++; + if (i>=N) { mt[0] = mt[N-1]; i=1; } + } + + mt[0] = 0x80000000UL; /* MSB is 1; assuring non-zero initial array */ +} + +/* generates a random number on [0,0xffffffff]-interval */ +unsigned long genrand_int32(void) +{ + unsigned long y; + static unsigned long mag01[2]={0x0UL, MATRIX_A}; + /* mag01[x] = x * MATRIX_A for x=0,1 */ + + if (mti >= N) { /* generate N words at one time */ + int kk; + + if (mti == N+1) /* if init_genrand() has not been called, */ + init_genrand(5489UL); /* a default initial seed is used */ + + for (kk=0;kk<N-M;kk++) { + y = (mt[kk]&UPPER_MASK)|(mt[kk+1]&LOWER_MASK); + mt[kk] = mt[kk+M] ^ (y >> 1) ^ mag01[y & 0x1UL]; + } + for (;kk<N-1;kk++) { + y = (mt[kk]&UPPER_MASK)|(mt[kk+1]&LOWER_MASK); + mt[kk] = mt[kk+(M-N)] ^ (y >> 1) ^ mag01[y & 0x1UL]; + } + y = (mt[N-1]&UPPER_MASK)|(mt[0]&LOWER_MASK); + mt[N-1] = mt[M-1] ^ (y >> 1) ^ mag01[y & 0x1UL]; + + mti = 0; + } + + y = mt[mti++]; + + /* Tempering */ + y ^= (y >> 11); + y ^= (y << 7) & 0x9d2c5680UL; + y ^= (y << 15) & 0xefc60000UL; + y ^= (y >> 18); + + return y; +} + +/* generates a random number on [0,0x7fffffff]-interval */ +long genrand_int31(void) +{ + return (long)(genrand_int32()>>1); +} + +/* generates a random number on [0,1]-real-interval */ +double genrand_real1(void) +{ + return genrand_int32()*(1.0/4294967295.0); + /* divided by 2^32-1 */ +} + +/* generates a random number on [0,1)-real-interval */ +double genrand_real2(void) +{ + return genrand_int32()*(1.0/4294967296.0); + /* divided by 2^32 */ +} + +/* generates a random number on (0,1)-real-interval */ +double genrand_real3(void) +{ + return (((double)genrand_int32()) + 0.5)*(1.0/4294967296.0); + /* divided by 2^32 */ +} + +/* generates a random number on [0,1) with 53-bit resolution*/ +double genrand_res53(void) +{ + unsigned long a=genrand_int32()>>5, b=genrand_int32()>>6; + return(a*67108864.0+b)*(1.0/9007199254740992.0); +} |