From 483d15a9c3fcc6615ecd0d8e50c6fde759a4abfe Mon Sep 17 00:00:00 2001 From: Shawn Hoffman Date: Sun, 18 Mar 2012 05:47:55 -0700 Subject: fix Common lib re-linking all the time rename wxBase28 project to wxWidgets --- Source/Core/Common/Src/MemoryUtil.cpp | 410 +++++++++++++++++----------------- 1 file changed, 205 insertions(+), 205 deletions(-) (limited to 'Source/Core/Common/Src/MemoryUtil.cpp') diff --git a/Source/Core/Common/Src/MemoryUtil.cpp b/Source/Core/Common/Src/MemoryUtil.cpp index 3e3cafa335..ebfa380be4 100644 --- a/Source/Core/Common/Src/MemoryUtil.cpp +++ b/Source/Core/Common/Src/MemoryUtil.cpp @@ -1,207 +1,207 @@ -// Copyright (C) 2003 Dolphin Project. - -// This program is free software: you can redistribute it and/or modify -// it under the terms of the GNU General Public License as published by -// the Free Software Foundation, version 2.0. - -// This program 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 2.0 for more details. - -// A copy of the GPL 2.0 should have been included with the program. -// If not, see http://www.gnu.org/licenses/ - -// Official SVN repository and contact information can be found at -// http://code.google.com/p/dolphin-emu/ - -#include "Common.h" -#include "MemoryUtil.h" -#include "StringUtil.h" - -#ifdef _WIN32 -#include -#include -#else -#include -#include -#endif - -#if !defined(_WIN32) && defined(__x86_64__) && !defined(MAP_32BIT) -#include -#define PAGE_MASK (getpagesize() - 1) -#define round_page(x) ((((unsigned long)(x)) + PAGE_MASK) & ~(PAGE_MASK)) -#endif - -// This is purposely not a full wrapper for virtualalloc/mmap, but it -// provides exactly the primitive operations that Dolphin needs. - -void* AllocateExecutableMemory(size_t size, bool low) -{ +// Copyright (C) 2003 Dolphin Project. + +// This program is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, version 2.0. + +// This program 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 2.0 for more details. + +// A copy of the GPL 2.0 should have been included with the program. +// If not, see http://www.gnu.org/licenses/ + +// Official SVN repository and contact information can be found at +// http://code.google.com/p/dolphin-emu/ + +#include "Common.h" +#include "MemoryUtil.h" +#include "StringUtil.h" + +#ifdef _WIN32 +#include +#include +#else +#include +#include +#endif + +#if !defined(_WIN32) && defined(__x86_64__) && !defined(MAP_32BIT) +#include +#define PAGE_MASK (getpagesize() - 1) +#define round_page(x) ((((unsigned long)(x)) + PAGE_MASK) & ~(PAGE_MASK)) +#endif + +// This is purposely not a full wrapper for virtualalloc/mmap, but it +// provides exactly the primitive operations that Dolphin needs. + +void* AllocateExecutableMemory(size_t size, bool low) +{ #if defined(_WIN32) void* ptr = VirtualAlloc(0, size, MEM_COMMIT, PAGE_EXECUTE_READWRITE); -#else - static char *map_hint = 0; -#if defined(__x86_64__) && !defined(MAP_32BIT) - // This OS has no flag to enforce allocation below the 4 GB boundary, - // but if we hint that we want a low address it is very likely we will - // get one. - // An older version of this code used MAP_FIXED, but that has the side - // effect of discarding already mapped pages that happen to be in the - // requested virtual memory range (such as the emulated RAM, sometimes). - if (low && (!map_hint)) - map_hint = (char*)round_page(512*1024*1024); /* 0.5 GB rounded up to the next page */ -#endif - void* ptr = mmap(map_hint, size, PROT_READ | PROT_WRITE | PROT_EXEC, - MAP_ANON | MAP_PRIVATE -#if defined(__x86_64__) && defined(MAP_32BIT) - | (low ? MAP_32BIT : 0) -#endif - , -1, 0); -#endif /* defined(_WIN32) */ - - // printf("Mapped executable memory at %p (size %ld)\n", ptr, - // (unsigned long)size); - -#if defined(__FreeBSD__) - if (ptr == MAP_FAILED) - { - ptr = NULL; -#else - if (ptr == NULL) - { -#endif - PanicAlert("Failed to allocate executable memory"); - } -#if !defined(_WIN32) && defined(__x86_64__) && !defined(MAP_32BIT) - else - { - if (low) - { - map_hint += size; - map_hint = (char*)round_page(map_hint); /* round up to the next page */ - // printf("Next map will (hopefully) be at %p\n", map_hint); - } - } -#endif - -#if defined(_M_X64) - if ((u64)ptr >= 0x80000000 && low == true) - PanicAlert("Executable memory ended up above 2GB!"); -#endif - - return ptr; -} - -void* AllocateMemoryPages(size_t size) -{ -#ifdef _WIN32 - void* ptr = VirtualAlloc(0, size, MEM_COMMIT, PAGE_READWRITE); -#else - void* ptr = mmap(0, size, PROT_READ | PROT_WRITE, - MAP_ANON | MAP_PRIVATE, -1, 0); -#endif - - // printf("Mapped memory at %p (size %ld)\n", ptr, - // (unsigned long)size); - - if (ptr == NULL) - PanicAlert("Failed to allocate raw memory"); - - return ptr; -} - -void* AllocateAlignedMemory(size_t size,size_t alignment) -{ -#ifdef _WIN32 - void* ptr = _aligned_malloc(size,alignment); -#else - void* ptr = NULL; - posix_memalign(&ptr, alignment, size); -; -#endif - - // printf("Mapped memory at %p (size %ld)\n", ptr, - // (unsigned long)size); - - if (ptr == NULL) - PanicAlert("Failed to allocate aligned memory"); - - return ptr; -} - -void FreeMemoryPages(void* ptr, size_t size) -{ - if (ptr) - { -#ifdef _WIN32 - - if (!VirtualFree(ptr, 0, MEM_RELEASE)) - PanicAlert("FreeMemoryPages failed!\n%s", GetLastErrorMsg()); - ptr = NULL; // Is this our responsibility? - -#else - munmap(ptr, size); -#endif - } -} - -void FreeAlignedMemory(void* ptr) -{ - if (ptr) - { -#ifdef _WIN32 - - _aligned_free(ptr); - -#else - free(ptr); -#endif - } -} - -void WriteProtectMemory(void* ptr, size_t size, bool allowExecute) -{ -#ifdef _WIN32 - DWORD oldValue; - if (!VirtualProtect(ptr, size, allowExecute ? PAGE_EXECUTE_READ : PAGE_READONLY, &oldValue)) - PanicAlert("WriteProtectMemory failed!\n%s", GetLastErrorMsg()); -#else - mprotect(ptr, size, allowExecute ? (PROT_READ | PROT_EXEC) : PROT_READ); -#endif -} - -void UnWriteProtectMemory(void* ptr, size_t size, bool allowExecute) -{ -#ifdef _WIN32 - DWORD oldValue; - if (!VirtualProtect(ptr, size, allowExecute ? PAGE_EXECUTE_READWRITE : PAGE_READWRITE, &oldValue)) - PanicAlert("UnWriteProtectMemory failed!\n%s", GetLastErrorMsg()); -#else - mprotect(ptr, size, allowExecute ? (PROT_READ | PROT_WRITE | PROT_EXEC) : PROT_WRITE | PROT_READ); -#endif -} - -std::string MemUsage() -{ -#ifdef _WIN32 -#pragma comment(lib, "psapi") - DWORD processID = GetCurrentProcessId(); - HANDLE hProcess; - PROCESS_MEMORY_COUNTERS pmc; - std::string Ret; - - // Print information about the memory usage of the process. - - hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, processID); - if (NULL == hProcess) return "MemUsage Error"; - - if (GetProcessMemoryInfo(hProcess, &pmc, sizeof(pmc))) - Ret = StringFromFormat("%s K", ThousandSeparate(pmc.WorkingSetSize / 1024, 7).c_str()); - - CloseHandle(hProcess); - return Ret; -#else - return ""; -#endif -} +#else + static char *map_hint = 0; +#if defined(__x86_64__) && !defined(MAP_32BIT) + // This OS has no flag to enforce allocation below the 4 GB boundary, + // but if we hint that we want a low address it is very likely we will + // get one. + // An older version of this code used MAP_FIXED, but that has the side + // effect of discarding already mapped pages that happen to be in the + // requested virtual memory range (such as the emulated RAM, sometimes). + if (low && (!map_hint)) + map_hint = (char*)round_page(512*1024*1024); /* 0.5 GB rounded up to the next page */ +#endif + void* ptr = mmap(map_hint, size, PROT_READ | PROT_WRITE | PROT_EXEC, + MAP_ANON | MAP_PRIVATE +#if defined(__x86_64__) && defined(MAP_32BIT) + | (low ? MAP_32BIT : 0) +#endif + , -1, 0); +#endif /* defined(_WIN32) */ + + // printf("Mapped executable memory at %p (size %ld)\n", ptr, + // (unsigned long)size); + +#if defined(__FreeBSD__) + if (ptr == MAP_FAILED) + { + ptr = NULL; +#else + if (ptr == NULL) + { +#endif + PanicAlert("Failed to allocate executable memory"); + } +#if !defined(_WIN32) && defined(__x86_64__) && !defined(MAP_32BIT) + else + { + if (low) + { + map_hint += size; + map_hint = (char*)round_page(map_hint); /* round up to the next page */ + // printf("Next map will (hopefully) be at %p\n", map_hint); + } + } +#endif + +#if defined(_M_X64) + if ((u64)ptr >= 0x80000000 && low == true) + PanicAlert("Executable memory ended up above 2GB!"); +#endif + + return ptr; +} + +void* AllocateMemoryPages(size_t size) +{ +#ifdef _WIN32 + void* ptr = VirtualAlloc(0, size, MEM_COMMIT, PAGE_READWRITE); +#else + void* ptr = mmap(0, size, PROT_READ | PROT_WRITE, + MAP_ANON | MAP_PRIVATE, -1, 0); +#endif + + // printf("Mapped memory at %p (size %ld)\n", ptr, + // (unsigned long)size); + + if (ptr == NULL) + PanicAlert("Failed to allocate raw memory"); + + return ptr; +} + +void* AllocateAlignedMemory(size_t size,size_t alignment) +{ +#ifdef _WIN32 + void* ptr = _aligned_malloc(size,alignment); +#else + void* ptr = NULL; + posix_memalign(&ptr, alignment, size); +; +#endif + + // printf("Mapped memory at %p (size %ld)\n", ptr, + // (unsigned long)size); + + if (ptr == NULL) + PanicAlert("Failed to allocate aligned memory"); + + return ptr; +} + +void FreeMemoryPages(void* ptr, size_t size) +{ + if (ptr) + { +#ifdef _WIN32 + + if (!VirtualFree(ptr, 0, MEM_RELEASE)) + PanicAlert("FreeMemoryPages failed!\n%s", GetLastErrorMsg()); + ptr = NULL; // Is this our responsibility? + +#else + munmap(ptr, size); +#endif + } +} + +void FreeAlignedMemory(void* ptr) +{ + if (ptr) + { +#ifdef _WIN32 + + _aligned_free(ptr); + +#else + free(ptr); +#endif + } +} + +void WriteProtectMemory(void* ptr, size_t size, bool allowExecute) +{ +#ifdef _WIN32 + DWORD oldValue; + if (!VirtualProtect(ptr, size, allowExecute ? PAGE_EXECUTE_READ : PAGE_READONLY, &oldValue)) + PanicAlert("WriteProtectMemory failed!\n%s", GetLastErrorMsg()); +#else + mprotect(ptr, size, allowExecute ? (PROT_READ | PROT_EXEC) : PROT_READ); +#endif +} + +void UnWriteProtectMemory(void* ptr, size_t size, bool allowExecute) +{ +#ifdef _WIN32 + DWORD oldValue; + if (!VirtualProtect(ptr, size, allowExecute ? PAGE_EXECUTE_READWRITE : PAGE_READWRITE, &oldValue)) + PanicAlert("UnWriteProtectMemory failed!\n%s", GetLastErrorMsg()); +#else + mprotect(ptr, size, allowExecute ? (PROT_READ | PROT_WRITE | PROT_EXEC) : PROT_WRITE | PROT_READ); +#endif +} + +std::string MemUsage() +{ +#ifdef _WIN32 +#pragma comment(lib, "psapi") + DWORD processID = GetCurrentProcessId(); + HANDLE hProcess; + PROCESS_MEMORY_COUNTERS pmc; + std::string Ret; + + // Print information about the memory usage of the process. + + hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, processID); + if (NULL == hProcess) return "MemUsage Error"; + + if (GetProcessMemoryInfo(hProcess, &pmc, sizeof(pmc))) + Ret = StringFromFormat("%s K", ThousandSeparate(pmc.WorkingSetSize / 1024, 7).c_str()); + + CloseHandle(hProcess); + return Ret; +#else + return ""; +#endif +} -- cgit v1.2.3