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author | bunnei <bunneidev@gmail.com> | 2018-04-20 15:42:15 +0200 |
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committer | GitHub <noreply@github.com> | 2018-04-20 15:42:15 +0200 |
commit | cb267093bb61394ea95192111466d116cd39cb3a (patch) | |
tree | dbbcc5cebe2bac951779249aef3bec5724c741b6 | |
parent | Merge pull request #357 from lioncash/guard (diff) | |
parent | common: Remove code_block.h (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/common/CMakeLists.txt | 1 | ||||
-rw-r--r-- | src/common/code_block.h | 85 |
2 files changed, 0 insertions, 86 deletions
diff --git a/src/common/CMakeLists.txt b/src/common/CMakeLists.txt index d6eb9055b..32cb85de0 100644 --- a/src/common/CMakeLists.txt +++ b/src/common/CMakeLists.txt @@ -34,7 +34,6 @@ add_library(common STATIC chunk_file.h cityhash.cpp cityhash.h - code_block.h color.h common_funcs.h common_paths.h diff --git a/src/common/code_block.h b/src/common/code_block.h deleted file mode 100644 index 6a55a8e30..000000000 --- a/src/common/code_block.h +++ /dev/null @@ -1,85 +0,0 @@ -// Copyright 2013 Dolphin Emulator Project -// Licensed under GPLv2 -// Refer to the license.txt file included. - -#pragma once - -#include <cstddef> -#include "common/common_types.h" -#include "common/memory_util.h" - -// Everything that needs to generate code should inherit from this. -// You get memory management for free, plus, you can use all emitter functions without -// having to prefix them with gen-> or something similar. -// Example implementation: -// class JIT : public CodeBlock<ARMXEmitter> {} -template <class T> -class CodeBlock : public T, NonCopyable { -private: - // A privately used function to set the executable RAM space to something invalid. - // For debugging usefulness it should be used to set the RAM to a host specific breakpoint - // instruction - virtual void PoisonMemory() = 0; - -protected: - u8* region; - size_t region_size; - -public: - CodeBlock() : region(nullptr), region_size(0) {} - virtual ~CodeBlock() { - if (region) - FreeCodeSpace(); - } - - // Call this before you generate any code. - void AllocCodeSpace(int size) { - region_size = size; - region = (u8*)AllocateExecutableMemory(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() { - PoisonMemory(); - ResetCodePtr(); - } - - // Call this when shutting down. Don't rely on the destructor, even though it'll do the job. - void FreeCodeSpace() { -#ifdef __SYMBIAN32__ - ResetExecutableMemory(region); -#else - FreeMemoryPages(region, region_size); -#endif - region = nullptr; - region_size = 0; - } - - bool IsInSpace(const u8* ptr) { - 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() { - WriteProtectMemory(region, region_size, true); - } - - void ResetCodePtr() { - T::SetCodePtr(region); - } - - size_t GetSpaceLeft() const { - return region_size - (T::GetCodePtr() - region); - } - - u8* GetBasePtr() { - return region; - } - - size_t GetOffset(const u8* ptr) const { - return ptr - region; - } -}; |