diff options
Diffstat (limited to '')
| -rw-r--r-- | Tools/BiomeVisualiser/WndProcThunk.h | 286 |
1 files changed, 143 insertions, 143 deletions
diff --git a/Tools/BiomeVisualiser/WndProcThunk.h b/Tools/BiomeVisualiser/WndProcThunk.h index 6f33b5c3f..da995eb5f 100644 --- a/Tools/BiomeVisualiser/WndProcThunk.h +++ b/Tools/BiomeVisualiser/WndProcThunk.h @@ -1,143 +1,143 @@ -
-// WndProcThunk.h
-
-// Interfaces to the CWndProcThunk class responsible for WNDPROC class-thunking
-// For details, see http://www.hackcraft.net/cpp/windowsThunk/thiscall/
-// Also available is a CDlgProcThunk class doing the same work for DIALOGPROC
-
-// MD: Made NX-compat by allocating the code structure using VirtualAlloc(..., PAGE_EXECUTE_READWRITE)
-
-
-
-
-
-// fwd:
-template <class W> class CWndProcThunk;
-
-
-
-
-
-#ifndef WNDPROCTHUNK_H_INCLUDED
-#define WNDPROCTHUNK_H_INCLUDED
-
-
-
-
-template<typename To, typename From> inline To union_cast(From fr) throw()
-{
- union
- {
- From f;
- To t;
- } uc;
- uc.f = fr;
- return uc.t;
-}
-
-
-
-
-
-#pragma warning(push)
-#pragma warning(disable : 4355)
-
-#if defined(_M_IX86)
-
-#pragma pack(push,1)
-
-template <class W> class CWndProcThunk
-{
- typedef ::LRESULT (W::* WndProc)(::HWND, ::UINT, ::WPARAM, ::LPARAM);
- typedef CWndProcThunk ThisClass;
-
- struct SCode
- {
- BYTE m_mov; // mov ECX, m_this
- W * m_this; //
- BYTE m_jmp; // jmp m_relproc
- ptrdiff_t m_relproc; // relative jmp
- };
-
- SCode * Code;
-
-public:
- ThisClass(WndProc proc, W * obj)
- {
- Code = (SCode *)VirtualAlloc(NULL, sizeof(SCode), MEM_COMMIT, PAGE_EXECUTE_READWRITE);
- Code->m_mov = 0xB9,
- Code->m_this = obj,
- Code->m_jmp = 0xE9,
- Code->m_relproc = union_cast<char *>(proc) - reinterpret_cast<char *>(Code) - sizeof(*Code);
- ::FlushInstructionCache(::GetCurrentProcess(), Code, sizeof(*Code));
- }
-
- virtual ~CWndProcThunk()
- {
- VirtualFree(Code, sizeof(*Code), MEM_RELEASE);
- Code = NULL;
- }
-
- operator ::WNDPROC() const {return reinterpret_cast<::WNDPROC>(Code); }
- operator ::LONG_PTR() const {return reinterpret_cast<::LONG_PTR>(Code); }
-} ;
-
-
-
-
-
-template <class W> class CDlgProcThunk
-{
- typedef ::BOOL (W::* DlgProc)(::HWND, ::UINT, ::WPARAM, ::LPARAM);
- typedef CDlgProcThunk ThisClass;
-
- struct SCode
- {
- BYTE m_mov; // mov ECX, m_this
- W * m_this; //
- BYTE m_jmp; // jmp m_relproc
- ptrdiff_t m_relproc; // relative jmp
- };
-
- SCode * Code;
-
-public:
- CDlgProcThunk(DlgProc proc, W * obj)
- {
- Code = (SCode *)VirtualAlloc(NULL, sizeof(SCode), MEM_COMMIT, PAGE_EXECUTE_READWRITE);
- Code->m_mov = 0xB9,
- Code->m_this = obj,
- Code->m_jmp = 0xE9,
- Code->m_relproc = union_cast<char *>(proc) - reinterpret_cast<char *>(Code) - sizeof(*Code);
- ::FlushInstructionCache(::GetCurrentProcess(), Code, sizeof(*Code));
- }
-
- virtual ~CDlgProcThunk()
- {
- VirtualFree(Code, sizeof(*Code), MEM_RELEASE);
- Code = NULL;
- }
-
- operator ::DLGPROC() const {return reinterpret_cast<::DLGPROC>(Code); }
- operator ::LONG_PTR() const {return reinterpret_cast<::LONG_PTR>(Code); }
-} ;
-
-
-
-
-
- #pragma pack(pop)
-
-#else // _M_IX86
- #error Only X86 supported
-#endif
-
-
-
-
-
-#endif // WNDPROCTHUNK_H_INCLUDED
-
-
-
-
+ +// WndProcThunk.h + +// Interfaces to the CWndProcThunk class responsible for WNDPROC class-thunking +// For details, see http://www.hackcraft.net/cpp/windowsThunk/thiscall/ +// Also available is a CDlgProcThunk class doing the same work for DIALOGPROC + +// MD: Made NX-compat by allocating the code structure using VirtualAlloc(..., PAGE_EXECUTE_READWRITE) + + + + + +// fwd: +template <class W> class CWndProcThunk; + + + + + +#ifndef WNDPROCTHUNK_H_INCLUDED +#define WNDPROCTHUNK_H_INCLUDED + + + + +template<typename To, typename From> inline To union_cast(From fr) throw() +{ + union + { + From f; + To t; + } uc; + uc.f = fr; + return uc.t; +} + + + + + +#pragma warning(push) +#pragma warning(disable : 4355) + +#if defined(_M_IX86) + +#pragma pack(push,1) + +template <class W> class CWndProcThunk +{ + typedef ::LRESULT (W::* WndProc)(::HWND, ::UINT, ::WPARAM, ::LPARAM); + typedef CWndProcThunk ThisClass; + + struct SCode + { + BYTE m_mov; // mov ECX, m_this + W * m_this; // + BYTE m_jmp; // jmp m_relproc + ptrdiff_t m_relproc; // relative jmp + }; + + SCode * Code; + +public: + ThisClass(WndProc proc, W * obj) + { + Code = (SCode *)VirtualAlloc(NULL, sizeof(SCode), MEM_COMMIT, PAGE_EXECUTE_READWRITE); + Code->m_mov = 0xB9, + Code->m_this = obj, + Code->m_jmp = 0xE9, + Code->m_relproc = union_cast<char *>(proc) - reinterpret_cast<char *>(Code) - sizeof(*Code); + ::FlushInstructionCache(::GetCurrentProcess(), Code, sizeof(*Code)); + } + + virtual ~CWndProcThunk() + { + VirtualFree(Code, sizeof(*Code), MEM_RELEASE); + Code = NULL; + } + + operator ::WNDPROC() const {return reinterpret_cast<::WNDPROC>(Code); } + operator ::LONG_PTR() const {return reinterpret_cast<::LONG_PTR>(Code); } +} ; + + + + + +template <class W> class CDlgProcThunk +{ + typedef ::BOOL (W::* DlgProc)(::HWND, ::UINT, ::WPARAM, ::LPARAM); + typedef CDlgProcThunk ThisClass; + + struct SCode + { + BYTE m_mov; // mov ECX, m_this + W * m_this; // + BYTE m_jmp; // jmp m_relproc + ptrdiff_t m_relproc; // relative jmp + }; + + SCode * Code; + +public: + CDlgProcThunk(DlgProc proc, W * obj) + { + Code = (SCode *)VirtualAlloc(NULL, sizeof(SCode), MEM_COMMIT, PAGE_EXECUTE_READWRITE); + Code->m_mov = 0xB9, + Code->m_this = obj, + Code->m_jmp = 0xE9, + Code->m_relproc = union_cast<char *>(proc) - reinterpret_cast<char *>(Code) - sizeof(*Code); + ::FlushInstructionCache(::GetCurrentProcess(), Code, sizeof(*Code)); + } + + virtual ~CDlgProcThunk() + { + VirtualFree(Code, sizeof(*Code), MEM_RELEASE); + Code = NULL; + } + + operator ::DLGPROC() const {return reinterpret_cast<::DLGPROC>(Code); } + operator ::LONG_PTR() const {return reinterpret_cast<::LONG_PTR>(Code); } +} ; + + + + + + #pragma pack(pop) + +#else // _M_IX86 + #error Only X86 supported +#endif + + + + + +#endif // WNDPROCTHUNK_H_INCLUDED + + + + |