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authorPierre Bourdon <delroth@gmail.com>2016-06-24 10:43:46 +0200
committerPierre Bourdon <delroth@gmail.com>2016-06-24 10:43:46 +0200
commit3570c7f03a2aa90aa634f96c0af1969af610f14d (patch)
tree4252e03c0e853ba7cffe022937698c854ad0eaa9 /Source/Core/Common/MemoryUtil.cpp
parent2115e8a4a6814e32107b5205ff5c95bbd3c6e99c (diff)
Reformat all the things. Have fun with merge conflicts.
Diffstat (limited to 'Source/Core/Common/MemoryUtil.cpp')
-rw-r--r--Source/Core/Common/MemoryUtil.cpp243
1 files changed, 122 insertions, 121 deletions
diff --git a/Source/Core/Common/MemoryUtil.cpp b/Source/Core/Common/MemoryUtil.cpp
index 946fcfaf4f..61b1ee303c 100644
--- a/Source/Core/Common/MemoryUtil.cpp
+++ b/Source/Core/Common/MemoryUtil.cpp
@@ -8,13 +8,13 @@
#include "Common/CommonFuncs.h"
#include "Common/CommonTypes.h"
+#include "Common/Logging/Log.h"
#include "Common/MemoryUtil.h"
#include "Common/MsgHandler.h"
-#include "Common/Logging/Log.h"
#ifdef _WIN32
-#include <windows.h>
#include <psapi.h>
+#include <windows.h>
#include "Common/StringUtil.h"
#else
#include <stdio.h>
@@ -33,7 +33,7 @@
#if !defined(_WIN32) && defined(_M_X86_64) && !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
@@ -43,227 +43,228 @@
void* AllocateExecutableMemory(size_t size, bool low)
{
#if defined(_WIN32)
- void* ptr = VirtualAlloc(0, size, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
+ void* ptr = VirtualAlloc(0, size, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
#else
- static char* map_hint = nullptr;
+ static char* map_hint = nullptr;
#if defined(_M_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 */
+ // 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
+ void* ptr = mmap(map_hint, size, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANON | MAP_PRIVATE
#if defined(_M_X86_64) && 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)
- {
- ptr = nullptr;
+ if (ptr == MAP_FAILED)
+ {
+ ptr = nullptr;
#endif
- PanicAlert("Failed to allocate executable memory. If you are running Dolphin in Valgrind, try '#undef MAP_32BIT'.");
- }
+ PanicAlert("Failed to allocate executable memory. If you are running Dolphin in Valgrind, try "
+ "'#undef MAP_32BIT'.");
+ }
#if !defined(_WIN32) && defined(_M_X86_64) && !defined(MAP_32BIT)
- else
- {
- if (low)
- {
- map_hint += size;
- map_hint = (char*)round_page(map_hint); /* round up to the next page */
- }
- }
+ else
+ {
+ if (low)
+ {
+ map_hint += size;
+ map_hint = (char*)round_page(map_hint); /* round up to the next page */
+ }
+ }
#endif
#if _M_X86_64
- if ((u64)ptr >= 0x80000000 && low == true)
- PanicAlert("Executable memory ended up above 2GB!");
+ if ((u64)ptr >= 0x80000000 && low == true)
+ PanicAlert("Executable memory ended up above 2GB!");
#endif
- return ptr;
+ return ptr;
}
void* AllocateMemoryPages(size_t size)
{
#ifdef _WIN32
- void* ptr = VirtualAlloc(0, size, MEM_COMMIT, PAGE_READWRITE);
+ void* ptr = VirtualAlloc(0, 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;
+ if (ptr == MAP_FAILED)
+ ptr = nullptr;
#endif
- if (ptr == nullptr)
- PanicAlert("Failed to allocate raw memory");
+ if (ptr == nullptr)
+ PanicAlert("Failed to allocate raw memory");
- return ptr;
+ return ptr;
}
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;
- if (posix_memalign(&ptr, alignment, size) != 0)
- ERROR_LOG(MEMMAP, "Failed to allocate aligned memory");
+ void* ptr = nullptr;
+ if (posix_memalign(&ptr, alignment, size) != 0)
+ ERROR_LOG(MEMMAP, "Failed to allocate aligned memory");
#endif
- if (ptr == nullptr)
- PanicAlert("Failed to allocate aligned memory");
+ if (ptr == nullptr)
+ PanicAlert("Failed to allocate aligned memory");
- return ptr;
+ return ptr;
}
void FreeMemoryPages(void* ptr, size_t size)
{
- if (ptr)
- {
- bool error_occurred = false;
+ if (ptr)
+ {
+ bool error_occurred = false;
#ifdef _WIN32
- if (!VirtualFree(ptr, 0, MEM_RELEASE))
- error_occurred = true;
+ if (!VirtualFree(ptr, 0, MEM_RELEASE))
+ error_occurred = true;
#else
- int retval = munmap(ptr, size);
+ int retval = munmap(ptr, size);
- if (retval != 0)
- error_occurred = true;
+ if (retval != 0)
+ error_occurred = true;
#endif
- if (error_occurred)
- PanicAlert("FreeMemoryPages failed!\n%s", GetLastErrorMsg().c_str());
- }
+ if (error_occurred)
+ PanicAlert("FreeMemoryPages failed!\n%s", GetLastErrorMsg().c_str());
+ }
}
void FreeAlignedMemory(void* ptr)
{
- if (ptr)
- {
+ if (ptr)
+ {
#ifdef _WIN32
- _aligned_free(ptr);
+ _aligned_free(ptr);
#else
- free(ptr);
+ free(ptr);
#endif
- }
+ }
}
void ReadProtectMemory(void* ptr, size_t size)
{
- bool error_occurred = false;
+ bool error_occurred = false;
#ifdef _WIN32
- DWORD oldValue;
- if (!VirtualProtect(ptr, size, PAGE_NOACCESS, &oldValue))
- error_occurred = true;
+ DWORD oldValue;
+ if (!VirtualProtect(ptr, size, PAGE_NOACCESS, &oldValue))
+ error_occurred = true;
#else
- int retval = mprotect(ptr, size, PROT_NONE);
+ int retval = mprotect(ptr, size, PROT_NONE);
- if (retval != 0)
- error_occurred = true;
+ if (retval != 0)
+ error_occurred = true;
#endif
- if (error_occurred)
- PanicAlert("ReadProtectMemory failed!\n%s", GetLastErrorMsg().c_str());
+ if (error_occurred)
+ PanicAlert("ReadProtectMemory failed!\n%s", GetLastErrorMsg().c_str());
}
void WriteProtectMemory(void* ptr, size_t size, bool allowExecute)
{
- bool error_occurred = false;
+ bool error_occurred = false;
#ifdef _WIN32
- DWORD oldValue;
- if (!VirtualProtect(ptr, size, allowExecute ? PAGE_EXECUTE_READ : PAGE_READONLY, &oldValue))
- error_occurred = true;
+ DWORD oldValue;
+ if (!VirtualProtect(ptr, size, allowExecute ? PAGE_EXECUTE_READ : PAGE_READONLY, &oldValue))
+ error_occurred = true;
#else
- int retval = mprotect(ptr, size, allowExecute ? (PROT_READ | PROT_EXEC) : PROT_READ);
+ int retval = mprotect(ptr, size, allowExecute ? (PROT_READ | PROT_EXEC) : PROT_READ);
- if (retval != 0)
- error_occurred = true;
+ if (retval != 0)
+ error_occurred = true;
#endif
- if (error_occurred)
- PanicAlert("WriteProtectMemory failed!\n%s", GetLastErrorMsg().c_str());
+ if (error_occurred)
+ PanicAlert("WriteProtectMemory failed!\n%s", GetLastErrorMsg().c_str());
}
void UnWriteProtectMemory(void* ptr, size_t size, bool allowExecute)
{
- bool error_occurred = false;
+ bool error_occurred = false;
#ifdef _WIN32
- DWORD oldValue;
- if (!VirtualProtect(ptr, size, allowExecute ? PAGE_EXECUTE_READWRITE : PAGE_READWRITE, &oldValue))
- error_occurred = true;
+ DWORD oldValue;
+ if (!VirtualProtect(ptr, size, allowExecute ? PAGE_EXECUTE_READWRITE : PAGE_READWRITE, &oldValue))
+ error_occurred = true;
#else
- int retval = mprotect(ptr, size, allowExecute ? (PROT_READ | PROT_WRITE | PROT_EXEC) : PROT_WRITE | PROT_READ);
+ int retval = mprotect(ptr, size, allowExecute ? (PROT_READ | PROT_WRITE | PROT_EXEC) :
+ PROT_WRITE | PROT_READ);
- if (retval != 0)
- error_occurred = true;
+ if (retval != 0)
+ error_occurred = true;
#endif
- if (error_occurred)
- PanicAlert("UnWriteProtectMemory failed!\n%s", GetLastErrorMsg().c_str());
+ if (error_occurred)
+ PanicAlert("UnWriteProtectMemory failed!\n%s", GetLastErrorMsg().c_str());
}
std::string MemUsage()
{
#ifdef _WIN32
#pragma comment(lib, "psapi")
- DWORD processID = GetCurrentProcessId();
- HANDLE hProcess;
- PROCESS_MEMORY_COUNTERS pmc;
- std::string Ret;
+ DWORD processID = GetCurrentProcessId();
+ HANDLE hProcess;
+ PROCESS_MEMORY_COUNTERS pmc;
+ std::string Ret;
- // Print information about the memory usage of the process.
+ // 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";
+ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, processID);
+ if (nullptr == hProcess)
+ return "MemUsage Error";
- if (GetProcessMemoryInfo(hProcess, &pmc, sizeof(pmc)))
- Ret = StringFromFormat("%s K", ThousandSeparate(pmc.WorkingSetSize / 1024, 7).c_str());
+ if (GetProcessMemoryInfo(hProcess, &pmc, sizeof(pmc)))
+ Ret = StringFromFormat("%s K", ThousandSeparate(pmc.WorkingSetSize / 1024, 7).c_str());
- CloseHandle(hProcess);
- return Ret;
+ CloseHandle(hProcess);
+ return Ret;
#else
- return "";
+ return "";
#endif
}
-
size_t MemPhysical()
{
#ifdef _WIN32
- MEMORYSTATUSEX memInfo;
- memInfo.dwLength = sizeof(MEMORYSTATUSEX);
- GlobalMemoryStatusEx(&memInfo);
- return memInfo.ullTotalPhys;
+ MEMORYSTATUSEX memInfo;
+ memInfo.dwLength = sizeof(MEMORYSTATUSEX);
+ GlobalMemoryStatusEx(&memInfo);
+ return memInfo.ullTotalPhys;
#elif defined __APPLE__ || defined __FreeBSD__
- int mib[2];
- size_t physical_memory;
- mib[0] = CTL_HW;
+ int mib[2];
+ size_t physical_memory;
+ mib[0] = CTL_HW;
#ifdef __APPLE__
- mib[1] = HW_MEMSIZE;
+ mib[1] = HW_MEMSIZE;
#elif defined __FreeBSD__
- mib[1] = HW_REALMEM;
+ mib[1] = HW_REALMEM;
#endif
- size_t length = sizeof(size_t);
- sysctl(mib, 2, &physical_memory, &length, NULL, 0);
- return physical_memory;
+ size_t length = sizeof(size_t);
+ sysctl(mib, 2, &physical_memory, &length, NULL, 0);
+ return physical_memory;
#else
- struct sysinfo memInfo;
- sysinfo (&memInfo);
- return (size_t)memInfo.totalram * memInfo.mem_unit;
+ struct sysinfo memInfo;
+ sysinfo(&memInfo);
+ return (size_t)memInfo.totalram * memInfo.mem_unit;
#endif
}