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third-party/libffi/ffitarget.h

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+/* -----------------------------------------------------------------*-C-*-
+   ffitarget.h - Copyright (c) 2012, 2014  Anthony Green
+                 Copyright (c) 1996-2003, 2010  Red Hat, Inc.
+                 Copyright (C) 2008  Free Software Foundation, Inc.
+
+   Target configuration macros for x86 and x86-64.
+
+   Permission is hereby granted, free of charge, to any person obtaining
+   a copy of this software and associated documentation files (the
+   ``Software''), to deal in the Software without restriction, including
+   without limitation the rights to use, copy, modify, merge, publish,
+   distribute, sublicense, and/or sell copies of the Software, and to
+   permit persons to whom the Software is furnished to do so, subject to
+   the following conditions:
+
+   The above copyright notice and this permission notice shall be included
+   in all copies or substantial portions of the Software.
+
+   THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
+   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+   NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+   HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+   WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+   DEALINGS IN THE SOFTWARE.
+
+   ----------------------------------------------------------------------- */
+
+#ifndef LIBFFI_TARGET_H
+#define LIBFFI_TARGET_H
+
+#ifndef LIBFFI_H
+#error "Please do not include ffitarget.h directly into your source.  Use ffi.h instead."
+#endif
+
+/* ---- System specific configurations ----------------------------------- */
+
+/* For code common to all platforms on x86 and x86_64. */
+#define X86_ANY
+
+#if defined (X86_64) && defined (__i386__)
+#undef X86_64
+#define X86
+#endif
+
+#ifdef X86_WIN64
+#define FFI_SIZEOF_ARG 8
+#define USE_BUILTIN_FFS 0 /* not yet implemented in mingw-64 */
+#endif
+
+#define FFI_TARGET_SPECIFIC_STACK_SPACE_ALLOCATION
+/*#define FFI_TARGET_HAS_COMPLEX_TYPE*/
+
+/* ---- Generic type definitions ----------------------------------------- */
+
+#ifndef LIBFFI_ASM
+#ifdef X86_WIN64
+#ifdef _MSC_VER
+typedef unsigned __int64       ffi_arg;
+typedef __int64                ffi_sarg;
+#else
+typedef unsigned long long     ffi_arg;
+typedef long long              ffi_sarg;
+#endif
+#else
+#if defined __x86_64__ && defined __ILP32__
+#define FFI_SIZEOF_ARG 8
+#define FFI_SIZEOF_JAVA_RAW  4
+typedef unsigned long long     ffi_arg;
+typedef long long              ffi_sarg;
+#else
+typedef unsigned long          ffi_arg;
+typedef signed long            ffi_sarg;
+#endif
+#endif
+
+typedef enum ffi_abi {
+  FFI_FIRST_ABI = 0,
+
+  /* ---- Intel x86 Win32 ---------- */
+#ifdef X86_WIN32
+  FFI_SYSV,
+  FFI_STDCALL,
+  FFI_THISCALL,
+  FFI_FASTCALL,
+  FFI_MS_CDECL,
+  FFI_PASCAL,
+  FFI_REGISTER,
+  FFI_LAST_ABI,
+#ifdef _MSC_VER
+  FFI_DEFAULT_ABI = FFI_MS_CDECL
+#else
+  FFI_DEFAULT_ABI = FFI_SYSV
+#endif
+
+#elif defined(X86_WIN64)
+  FFI_WIN64,
+  FFI_LAST_ABI,
+  FFI_DEFAULT_ABI = FFI_WIN64
+
+#else
+  /* ---- Intel x86 and AMD x86-64 - */
+  FFI_SYSV,
+  FFI_UNIX64,   /* Unix variants all use the same ABI for x86-64  */
+  FFI_THISCALL,
+  FFI_FASTCALL,
+  FFI_STDCALL,
+  FFI_PASCAL,
+  FFI_REGISTER,
+  FFI_LAST_ABI,
+#if defined(__i386__) || defined(__i386)
+  FFI_DEFAULT_ABI = FFI_SYSV
+#else
+  FFI_DEFAULT_ABI = FFI_UNIX64
+#endif
+#endif
+} ffi_abi;
+#endif
+
+/* ---- Definitions for closures ----------------------------------------- */
+
+#define FFI_CLOSURES 1
+#define FFI_TYPE_SMALL_STRUCT_1B (FFI_TYPE_LAST + 1)
+#define FFI_TYPE_SMALL_STRUCT_2B (FFI_TYPE_LAST + 2)
+#define FFI_TYPE_SMALL_STRUCT_4B (FFI_TYPE_LAST + 3)
+#define FFI_TYPE_MS_STRUCT       (FFI_TYPE_LAST + 4)
+
+#if defined (X86_64) || (defined (__x86_64__) && defined (X86_DARWIN))
+#define FFI_TRAMPOLINE_SIZE 24
+#define FFI_NATIVE_RAW_API 0
+#else
+#ifdef X86_WIN32
+#define FFI_TRAMPOLINE_SIZE 52
+#else
+#ifdef X86_WIN64
+#define FFI_TRAMPOLINE_SIZE 29
+#define FFI_NATIVE_RAW_API 0
+#define FFI_NO_RAW_API 1
+#else
+#define FFI_TRAMPOLINE_SIZE 10
+#endif
+#endif
+#ifndef X86_WIN64
+#define FFI_NATIVE_RAW_API 1  /* x86 has native raw api support */
+#endif
+#endif
+
+#endif
+