mirror of
https://github.com/melonDS-emu/melonDS.git
synced 2024-11-15 05:47:43 -07:00
jit: remove unnessary files from dolphin
This commit is contained in:
RSDuck
RSDuck
parent
9d76d63af5
commit
360317be8c
@ -49,15 +49,6 @@ public:
|
||||
CodeBlock(CodeBlock&&) = delete;
|
||||
CodeBlock& operator=(CodeBlock&&) = delete;
|
||||
|
||||
// Call this before you generate any code.
|
||||
void AllocCodeSpace(size_t size)
|
||||
{
|
||||
region_size = size;
|
||||
total_region_size = size;
|
||||
region = static_cast<u8*>(Common::AllocateExecutableMemory(total_region_size));
|
||||
T::SetCodePtr(region);
|
||||
}
|
||||
|
||||
// Always clear code space with breakpoints, so that if someone accidentally executes
|
||||
// uninitialized, it just breaks into the debugger.
|
||||
void ClearCodeSpace()
|
||||
@ -66,26 +57,8 @@ public:
|
||||
ResetCodePtr();
|
||||
}
|
||||
|
||||
// Call this when shutting down. Don't rely on the destructor, even though it'll do the job.
|
||||
void FreeCodeSpace()
|
||||
{
|
||||
ASSERT(!m_is_child);
|
||||
Common::FreeMemoryPages(region, total_region_size);
|
||||
region = nullptr;
|
||||
region_size = 0;
|
||||
total_region_size = 0;
|
||||
for (CodeBlock* child : m_children)
|
||||
{
|
||||
child->region = nullptr;
|
||||
child->region_size = 0;
|
||||
child->total_region_size = 0;
|
||||
}
|
||||
}
|
||||
|
||||
bool IsInSpace(const u8* ptr) const { return ptr >= region && ptr < (region + region_size); }
|
||||
// Cannot currently be undone. Will write protect the entire code region.
|
||||
// Start over if you need to change the code (call FreeCodeSpace(), AllocCodeSpace()).
|
||||
void WriteProtect() { Common::WriteProtectMemory(region, region_size, true); }
|
||||
|
||||
void ResetCodePtr() { T::SetCodePtr(region); }
|
||||
size_t GetSpaceLeft() const
|
||||
{
|
||||
|
||||
@ -1,182 +0,0 @@
|
||||
// Copyright 2008 Dolphin Emulator Project
|
||||
// Licensed under GPLv2+
|
||||
// Refer to the license_dolphin.txt file included.
|
||||
|
||||
#include <cstddef>
|
||||
#include <cstdlib>
|
||||
#include <string>
|
||||
|
||||
#include "../types.h"
|
||||
#include "CommonFuncs.h"
|
||||
#include "Log.h"
|
||||
|
||||
#ifdef _WIN32
|
||||
#include <windows.h>
|
||||
//#include "Common/StringUtil.h"
|
||||
#else
|
||||
#include <stdio.h>
|
||||
#include <sys/mman.h>
|
||||
#include <sys/types.h>
|
||||
#if defined __APPLE__ || defined __FreeBSD__ || defined __OpenBSD__
|
||||
#include <sys/sysctl.h>
|
||||
#elif defined __HAIKU__
|
||||
#include <OS.h>
|
||||
#else
|
||||
#include <sys/sysinfo.h>
|
||||
#endif
|
||||
#endif
|
||||
|
||||
namespace Common
|
||||
{
|
||||
// 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)
|
||||
{
|
||||
#if defined(_WIN32)
|
||||
void* ptr = VirtualAlloc(nullptr, size, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
|
||||
#else
|
||||
void* ptr =
|
||||
mmap(nullptr, size, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANON | MAP_PRIVATE, -1, 0);
|
||||
|
||||
if (ptr == MAP_FAILED)
|
||||
ptr = nullptr;
|
||||
#endif
|
||||
|
||||
if (ptr == nullptr)
|
||||
PanicAlert("Failed to allocate executable memory");
|
||||
|
||||
return ptr;
|
||||
}
|
||||
|
||||
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);
|
||||
|
||||
if (ptr == MAP_FAILED)
|
||||
ptr = nullptr;
|
||||
#endif
|
||||
|
||||
if (ptr == nullptr)
|
||||
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 = 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");
|
||||
|
||||
return ptr;
|
||||
}
|
||||
|
||||
void FreeMemoryPages(void* ptr, size_t size)
|
||||
{
|
||||
if (ptr)
|
||||
{
|
||||
#ifdef _WIN32
|
||||
if (!VirtualFree(ptr, 0, MEM_RELEASE))
|
||||
PanicAlert("FreeMemoryPages failed!\nVirtualFree: %s", GetLastErrorString().c_str());
|
||||
#else
|
||||
if (munmap(ptr, size) != 0)
|
||||
PanicAlert("FreeMemoryPages failed!\nmunmap: %s", LastStrerrorString().c_str());
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
void FreeAlignedMemory(void* ptr)
|
||||
{
|
||||
if (ptr)
|
||||
{
|
||||
#ifdef _WIN32
|
||||
_aligned_free(ptr);
|
||||
#else
|
||||
free(ptr);
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
void ReadProtectMemory(void* ptr, size_t size)
|
||||
{
|
||||
#ifdef _WIN32
|
||||
DWORD oldValue;
|
||||
if (!VirtualProtect(ptr, size, PAGE_NOACCESS, &oldValue))
|
||||
PanicAlert("ReadProtectMemory failed!\nVirtualProtect: %s", GetLastErrorString().c_str());
|
||||
#else
|
||||
if (mprotect(ptr, size, PROT_NONE) != 0)
|
||||
PanicAlert("ReadProtectMemory failed!\nmprotect: %s", LastStrerrorString().c_str());
|
||||
#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!\nVirtualProtect: %s", GetLastErrorString().c_str());
|
||||
#else
|
||||
if (mprotect(ptr, size, allowExecute ? (PROT_READ | PROT_EXEC) : PROT_READ) != 0)
|
||||
PanicAlert("WriteProtectMemory failed!\nmprotect: %s", LastStrerrorString().c_str());
|
||||
#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!\nVirtualProtect: %s", GetLastErrorString().c_str());
|
||||
#else
|
||||
if (mprotect(ptr, size,
|
||||
allowExecute ? (PROT_READ | PROT_WRITE | PROT_EXEC) : PROT_WRITE | PROT_READ) != 0)
|
||||
{
|
||||
PanicAlert("UnWriteProtectMemory failed!\nmprotect: %s", LastStrerrorString().c_str());
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
size_t MemPhysical()
|
||||
{
|
||||
#ifdef _WIN32
|
||||
MEMORYSTATUSEX memInfo;
|
||||
memInfo.dwLength = sizeof(MEMORYSTATUSEX);
|
||||
GlobalMemoryStatusEx(&memInfo);
|
||||
return memInfo.ullTotalPhys;
|
||||
#elif defined __APPLE__ || defined __FreeBSD__ || defined __OpenBSD__
|
||||
int mib[2];
|
||||
size_t physical_memory;
|
||||
mib[0] = CTL_HW;
|
||||
#ifdef __APPLE__
|
||||
mib[1] = HW_MEMSIZE;
|
||||
#elif defined __FreeBSD__
|
||||
mib[1] = HW_REALMEM;
|
||||
#elif defined __OpenBSD__
|
||||
mib[1] = HW_PHYSMEM;
|
||||
#endif
|
||||
size_t length = sizeof(size_t);
|
||||
sysctl(mib, 2, &physical_memory, &length, NULL, 0);
|
||||
return physical_memory;
|
||||
#elif defined __HAIKU__
|
||||
system_info sysinfo;
|
||||
get_system_info(&sysinfo);
|
||||
return static_cast<size_t>(sysinfo.max_pages * B_PAGE_SIZE);
|
||||
#else
|
||||
struct sysinfo memInfo;
|
||||
sysinfo(&memInfo);
|
||||
return (size_t)memInfo.totalram * memInfo.mem_unit;
|
||||
#endif
|
||||
}
|
||||
|
||||
} // namespace Common
|
||||
@ -1,22 +0,0 @@
|
||||
// Copyright 2008 Dolphin Emulator Project
|
||||
// Licensed under GPLv2+
|
||||
// Refer to the license_dolphin.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <cstddef>
|
||||
#include <string>
|
||||
|
||||
namespace Common
|
||||
{
|
||||
void* AllocateExecutableMemory(size_t size);
|
||||
void* AllocateMemoryPages(size_t size);
|
||||
void FreeMemoryPages(void* ptr, size_t size);
|
||||
void* AllocateAlignedMemory(size_t size, size_t alignment);
|
||||
void FreeAlignedMemory(void* ptr);
|
||||
void ReadProtectMemory(void* ptr, size_t size);
|
||||
void WriteProtectMemory(void* ptr, size_t size, bool executable = false);
|
||||
void UnWriteProtectMemory(void* ptr, size_t size, bool allowExecute = false);
|
||||
size_t MemPhysical();
|
||||
|
||||
} // namespace Common
|
||||
Loading…
Reference in New Issue
Block a user