diff options
Diffstat (limited to 'src/common/memory_util.cpp')
| -rw-r--r-- | src/common/memory_util.cpp | 90 |
1 files changed, 39 insertions, 51 deletions
diff --git a/src/common/memory_util.cpp b/src/common/memory_util.cpp index 07c7f79c8..7d352f00f 100644 --- a/src/common/memory_util.cpp +++ b/src/common/memory_util.cpp @@ -2,31 +2,29 @@ // Licensed under GPLv2 or any later version // Refer to the license.txt file included. - -#include "common/logging/log.h" #include "common/memory_util.h" +#include "common/logging/log.h" #ifdef _WIN32 - #include <windows.h> - #include <psapi.h> - #include "common/common_funcs.h" - #include "common/string_util.h" +#include <windows.h> +#include <psapi.h> +#include "common/common_funcs.h" +#include "common/string_util.h" #else - #include <cstdlib> - #include <sys/mman.h> +#include <cstdlib> +#include <sys/mman.h> #endif #if !defined(_WIN32) && defined(ARCHITECTURE_X64) && !defined(MAP_32BIT) #include <unistd.h> -#define PAGE_MASK (getpagesize() - 1) +#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) -{ +void* AllocateExecutableMemory(size_t size, bool low) { #if defined(_WIN32) void* ptr = VirtualAlloc(nullptr, size, MEM_COMMIT, PAGE_EXECUTE_READWRITE); #else @@ -39,31 +37,27 @@ void* AllocateExecutableMemory(size_t size, bool low) // 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 */ + 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 + void* ptr = mmap(map_hint, size, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANON | MAP_PRIVATE #if defined(ARCHITECTURE_X64) && defined(MAP_32BIT) - | (low ? MAP_32BIT : 0) + | (low ? MAP_32BIT : 0) #endif - , -1, 0); + , + -1, 0); #endif /* defined(_WIN32) */ #ifdef _WIN32 - if (ptr == nullptr) - { + if (ptr == nullptr) { #else - if (ptr == MAP_FAILED) - { + if (ptr == MAP_FAILED) { ptr = nullptr; #endif LOG_ERROR(Common_Memory, "Failed to allocate executable memory"); } #if !defined(_WIN32) && defined(ARCHITECTURE_X64) && !defined(MAP_32BIT) - else - { - if (low) - { + else { + if (low) { map_hint += size; map_hint = (char*)round_page(map_hint); /* round up to the next page */ } @@ -78,13 +72,11 @@ void* AllocateExecutableMemory(size_t size, bool low) return ptr; } -void* AllocateMemoryPages(size_t size) -{ +void* AllocateMemoryPages(size_t size) { #ifdef _WIN32 void* ptr = VirtualAlloc(nullptr, size, MEM_COMMIT, PAGE_READWRITE); #else - void* ptr = mmap(nullptr, size, PROT_READ | PROT_WRITE, - MAP_ANON | MAP_PRIVATE, -1, 0); + void* ptr = mmap(nullptr, size, PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE, -1, 0); if (ptr == MAP_FAILED) ptr = nullptr; @@ -96,10 +88,9 @@ void* AllocateMemoryPages(size_t size) return ptr; } -void* AllocateAlignedMemory(size_t size,size_t alignment) -{ +void* AllocateAlignedMemory(size_t size, size_t alignment) { #ifdef _WIN32 - void* ptr = _aligned_malloc(size,alignment); + void* ptr = _aligned_malloc(size, alignment); #else void* ptr = nullptr; #ifdef ANDROID @@ -116,10 +107,8 @@ void* AllocateAlignedMemory(size_t size,size_t alignment) return ptr; } -void FreeMemoryPages(void* ptr, size_t size) -{ - if (ptr) - { +void FreeMemoryPages(void* ptr, size_t size) { + if (ptr) { #ifdef _WIN32 if (!VirtualFree(ptr, 0, MEM_RELEASE)) LOG_ERROR(Common_Memory, "FreeMemoryPages failed!\n%s", GetLastErrorMsg()); @@ -129,20 +118,17 @@ void FreeMemoryPages(void* ptr, size_t size) } } -void FreeAlignedMemory(void* ptr) -{ - if (ptr) - { +void FreeAlignedMemory(void* ptr) { + if (ptr) { #ifdef _WIN32 - _aligned_free(ptr); + _aligned_free(ptr); #else - free(ptr); + free(ptr); #endif } } -void WriteProtectMemory(void* ptr, size_t size, bool allowExecute) -{ +void WriteProtectMemory(void* ptr, size_t size, bool allowExecute) { #ifdef _WIN32 DWORD oldValue; if (!VirtualProtect(ptr, size, allowExecute ? PAGE_EXECUTE_READ : PAGE_READONLY, &oldValue)) @@ -152,19 +138,19 @@ void WriteProtectMemory(void* ptr, size_t size, bool allowExecute) #endif } -void UnWriteProtectMemory(void* ptr, size_t size, bool allowExecute) -{ +void UnWriteProtectMemory(void* ptr, size_t size, bool allowExecute) { #ifdef _WIN32 DWORD oldValue; - if (!VirtualProtect(ptr, size, allowExecute ? PAGE_EXECUTE_READWRITE : PAGE_READWRITE, &oldValue)) + if (!VirtualProtect(ptr, size, allowExecute ? PAGE_EXECUTE_READWRITE : PAGE_READWRITE, + &oldValue)) LOG_ERROR(Common_Memory, "UnWriteProtectMemory failed!\n%s", GetLastErrorMsg()); #else - mprotect(ptr, size, allowExecute ? (PROT_READ | PROT_WRITE | PROT_EXEC) : PROT_WRITE | PROT_READ); + mprotect(ptr, size, + allowExecute ? (PROT_READ | PROT_WRITE | PROT_EXEC) : PROT_WRITE | PROT_READ); #endif } -std::string MemUsage() -{ +std::string MemUsage() { #ifdef _WIN32 #pragma comment(lib, "psapi") DWORD processID = GetCurrentProcessId(); @@ -175,10 +161,12 @@ std::string MemUsage() // Print information about the memory usage of the process. hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, processID); - if (nullptr == hProcess) return "MemUsage Error"; + if (nullptr == hProcess) + return "MemUsage Error"; if (GetProcessMemoryInfo(hProcess, &pmc, sizeof(pmc))) - Ret = Common::StringFromFormat("%s K", Common::ThousandSeparate(pmc.WorkingSetSize / 1024, 7).c_str()); + Ret = Common::StringFromFormat( + "%s K", Common::ThousandSeparate(pmc.WorkingSetSize / 1024, 7).c_str()); CloseHandle(hProcess); return Ret; |