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Diffstat (limited to 'src/common/src/memory_util.cpp')
-rw-r--r--src/common/src/memory_util.cpp178
1 files changed, 89 insertions, 89 deletions
diff --git a/src/common/src/memory_util.cpp b/src/common/src/memory_util.cpp
index 346d2e52..cc6e77b3 100644
--- a/src/common/src/memory_util.cpp
+++ b/src/common/src/memory_util.cpp
@@ -27,148 +27,148 @@
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 = 0;
+ 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 */
+ // 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(__x86_64__) && defined(MAP_32BIT)
- | (low ? MAP_32BIT : 0)
+ | (low ? MAP_32BIT : 0)
#endif
- , -1, 0);
+ , -1, 0);
#endif /* defined(_WIN32) */
- // printf("Mapped executable memory at %p (size %ld)\n", ptr,
- // (unsigned long)size);
-
+ // printf("Mapped executable memory at %p (size %ld)\n", ptr,
+ // (unsigned long)size);
+
#if defined(__FreeBSD__)
- if (ptr == MAP_FAILED)
- {
- ptr = NULL;
+ if (ptr == MAP_FAILED)
+ {
+ ptr = NULL;
#else
- if (ptr == NULL)
- {
-#endif
- PanicAlert("Failed to allocate executable memory");
- }
+ 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);
- }
- }
+ 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!");
+ 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(0, size, PROT_READ | PROT_WRITE,
- MAP_ANON | MAP_PRIVATE, -1, 0);
+ 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);
+ // printf("Mapped memory at %p (size %ld)\n", ptr,
+ // (unsigned long)size);
- if (ptr == NULL)
- PanicAlert("Failed to allocate raw memory");
+ if (ptr == NULL)
+ 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 = NULL;
+ void* ptr = NULL;
#ifdef ANDROID
- ptr = memalign(alignment, size);
+ ptr = memalign(alignment, size);
#else
- if (posix_memalign(&ptr, alignment, size) != 0)
- ERROR_LOG(MEMMAP, "Failed to allocate aligned memory");
+ if (posix_memalign(&ptr, alignment, size) != 0)
+ ERROR_LOG(MEMMAP, "Failed to allocate aligned memory");
#endif
#endif
- // printf("Mapped memory at %p (size %ld)\n", ptr,
- // (unsigned long)size);
+ // printf("Mapped memory at %p (size %ld)\n", ptr,
+ // (unsigned long)size);
- if (ptr == NULL)
- PanicAlert("Failed to allocate aligned memory");
+ if (ptr == NULL)
+ PanicAlert("Failed to allocate aligned memory");
- return ptr;
+ return ptr;
}
void FreeMemoryPages(void* ptr, size_t size)
{
- if (ptr)
- {
+ if (ptr)
+ {
#ifdef _WIN32
-
- if (!VirtualFree(ptr, 0, MEM_RELEASE))
- PanicAlert("FreeMemoryPages failed!\n%s", GetLastErrorMsg());
- ptr = NULL; // Is this our responsibility?
-
+
+ if (!VirtualFree(ptr, 0, MEM_RELEASE))
+ PanicAlert("FreeMemoryPages failed!\n%s", GetLastErrorMsg());
+ ptr = NULL; // Is this our responsibility?
+
#else
- munmap(ptr, size);
+ munmap(ptr, size);
#endif
- }
+ }
}
void FreeAlignedMemory(void* ptr)
{
- if (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)
{
#ifdef _WIN32
- DWORD oldValue;
- if (!VirtualProtect(ptr, size, allowExecute ? PAGE_EXECUTE_READ : PAGE_READONLY, &oldValue))
- PanicAlert("WriteProtectMemory failed!\n%s", GetLastErrorMsg());
+ 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);
+ 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());
+ 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);
+ mprotect(ptr, size, allowExecute ? (PROT_READ | PROT_WRITE | PROT_EXEC) : PROT_WRITE | PROT_READ);
#endif
}
@@ -176,22 +176,22 @@ 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 (NULL == hProcess) return "MemUsage Error";
+ 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());
+ 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
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-13 17:05:54 +0000