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Diffstat (limited to 'Modules/_ctypes/libffi/include/ffi.h.in')
| -rw-r--r-- | Modules/_ctypes/libffi/include/ffi.h.in | 476 |
1 files changed, 0 insertions, 476 deletions
diff --git a/Modules/_ctypes/libffi/include/ffi.h.in b/Modules/_ctypes/libffi/include/ffi.h.in deleted file mode 100644 index 93c776fbbe..0000000000 --- a/Modules/_ctypes/libffi/include/ffi.h.in +++ /dev/null @@ -1,476 +0,0 @@ -/* -----------------------------------------------------------------*-C-*- - libffi @VERSION@ - Copyright (c) 2011 Anthony Green - - Copyright (c) 1996-2003, 2007, 2008 Red Hat, Inc. - - 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. - - ----------------------------------------------------------------------- */ - -/* ------------------------------------------------------------------- - The basic API is described in the README file. - - The raw API is designed to bypass some of the argument packing - and unpacking on architectures for which it can be avoided. - - The closure API allows interpreted functions to be packaged up - inside a C function pointer, so that they can be called as C functions, - with no understanding on the client side that they are interpreted. - It can also be used in other cases in which it is necessary to package - up a user specified parameter and a function pointer as a single - function pointer. - - The closure API must be implemented in order to get its functionality, - e.g. for use by gij. Routines are provided to emulate the raw API - if the underlying platform doesn't allow faster implementation. - - More details on the raw and cloure API can be found in: - - http://gcc.gnu.org/ml/java/1999-q3/msg00138.html - - and - - http://gcc.gnu.org/ml/java/1999-q3/msg00174.html - -------------------------------------------------------------------- */ - -#ifndef LIBFFI_H -#define LIBFFI_H - -#ifdef __cplusplus -extern "C" { -#endif - -/* Specify which architecture libffi is configured for. */ -#ifndef @TARGET@ -#define @TARGET@ -#endif - -/* ---- System configuration information --------------------------------- */ - -#include <ffitarget.h> - -#ifndef LIBFFI_ASM - -#ifdef _MSC_VER -#define __attribute__(X) -#endif - -#include <stddef.h> -#include <limits.h> - -/* LONG_LONG_MAX is not always defined (not if STRICT_ANSI, for example). - But we can find it either under the correct ANSI name, or under GNU - C's internal name. */ - -#define FFI_64_BIT_MAX 9223372036854775807 - -#ifdef LONG_LONG_MAX -# define FFI_LONG_LONG_MAX LONG_LONG_MAX -#else -# ifdef LLONG_MAX -# define FFI_LONG_LONG_MAX LLONG_MAX -# ifdef _AIX52 /* or newer has C99 LLONG_MAX */ -# undef FFI_64_BIT_MAX -# define FFI_64_BIT_MAX 9223372036854775807LL -# endif /* _AIX52 or newer */ -# else -# ifdef __GNUC__ -# define FFI_LONG_LONG_MAX __LONG_LONG_MAX__ -# endif -# ifdef _AIX /* AIX 5.1 and earlier have LONGLONG_MAX */ -# ifndef __PPC64__ -# if defined (__IBMC__) || defined (__IBMCPP__) -# define FFI_LONG_LONG_MAX LONGLONG_MAX -# endif -# endif /* __PPC64__ */ -# undef FFI_64_BIT_MAX -# define FFI_64_BIT_MAX 9223372036854775807LL -# endif -# endif -#endif - -/* The closure code assumes that this works on pointers, i.e. a size_t */ -/* can hold a pointer. */ - -typedef struct _ffi_type -{ - size_t size; - unsigned short alignment; - unsigned short type; - struct _ffi_type **elements; -} ffi_type; - -#ifndef LIBFFI_HIDE_BASIC_TYPES -#if SCHAR_MAX == 127 -# define ffi_type_uchar ffi_type_uint8 -# define ffi_type_schar ffi_type_sint8 -#else - #error "char size not supported" -#endif - -#if SHRT_MAX == 32767 -# define ffi_type_ushort ffi_type_uint16 -# define ffi_type_sshort ffi_type_sint16 -#elif SHRT_MAX == 2147483647 -# define ffi_type_ushort ffi_type_uint32 -# define ffi_type_sshort ffi_type_sint32 -#else - #error "short size not supported" -#endif - -#if INT_MAX == 32767 -# define ffi_type_uint ffi_type_uint16 -# define ffi_type_sint ffi_type_sint16 -#elif INT_MAX == 2147483647 -# define ffi_type_uint ffi_type_uint32 -# define ffi_type_sint ffi_type_sint32 -#elif INT_MAX == 9223372036854775807 -# define ffi_type_uint ffi_type_uint64 -# define ffi_type_sint ffi_type_sint64 -#else - #error "int size not supported" -#endif - -#if LONG_MAX == 2147483647 -# if FFI_LONG_LONG_MAX != FFI_64_BIT_MAX - #error "no 64-bit data type supported" -# endif -#elif LONG_MAX != FFI_64_BIT_MAX - #error "long size not supported" -#endif - -#if LONG_MAX == 2147483647 -# define ffi_type_ulong ffi_type_uint32 -# define ffi_type_slong ffi_type_sint32 -#elif LONG_MAX == FFI_64_BIT_MAX -# define ffi_type_ulong ffi_type_uint64 -# define ffi_type_slong ffi_type_sint64 -#else - #error "long size not supported" -#endif - -/* Need minimal decorations for DLLs to works on Windows. */ -/* GCC has autoimport and autoexport. Rely on Libtool to */ -/* help MSVC export from a DLL, but always declare data */ -/* to be imported for MSVC clients. This costs an extra */ -/* indirection for MSVC clients using the static version */ -/* of the library, but don't worry about that. Besides, */ -/* as a workaround, they can define FFI_BUILDING if they */ -/* *know* they are going to link with the static library. */ -#if defined _MSC_VER && !defined FFI_BUILDING -#define FFI_EXTERN extern __declspec(dllimport) -#else -#define FFI_EXTERN extern -#endif - -/* These are defined in types.c */ -FFI_EXTERN ffi_type ffi_type_void; -FFI_EXTERN ffi_type ffi_type_uint8; -FFI_EXTERN ffi_type ffi_type_sint8; -FFI_EXTERN ffi_type ffi_type_uint16; -FFI_EXTERN ffi_type ffi_type_sint16; -FFI_EXTERN ffi_type ffi_type_uint32; -FFI_EXTERN ffi_type ffi_type_sint32; -FFI_EXTERN ffi_type ffi_type_uint64; -FFI_EXTERN ffi_type ffi_type_sint64; -FFI_EXTERN ffi_type ffi_type_float; -FFI_EXTERN ffi_type ffi_type_double; -FFI_EXTERN ffi_type ffi_type_pointer; - -#if @HAVE_LONG_DOUBLE@ -FFI_EXTERN ffi_type ffi_type_longdouble; -#else -#define ffi_type_longdouble ffi_type_double -#endif -#endif /* LIBFFI_HIDE_BASIC_TYPES */ - -typedef enum { - FFI_OK = 0, - FFI_BAD_TYPEDEF, - FFI_BAD_ABI -} ffi_status; - -typedef unsigned FFI_TYPE; - -typedef struct { - ffi_abi abi; - unsigned nargs; - ffi_type **arg_types; - ffi_type *rtype; - unsigned bytes; - unsigned flags; -#ifdef FFI_EXTRA_CIF_FIELDS - FFI_EXTRA_CIF_FIELDS; -#endif -} ffi_cif; - -#if HAVE_LONG_DOUBLE_VARIANT -/* Used to adjust size/alignment of ffi types. */ -void ffi_prep_types (ffi_abi abi); -# endif - -/* Used internally, but overridden by some architectures */ -ffi_status ffi_prep_cif_core(ffi_cif *cif, - ffi_abi abi, - unsigned int isvariadic, - unsigned int nfixedargs, - unsigned int ntotalargs, - ffi_type *rtype, - ffi_type **atypes); - -/* ---- Definitions for the raw API -------------------------------------- */ - -#ifndef FFI_SIZEOF_ARG -# if LONG_MAX == 2147483647 -# define FFI_SIZEOF_ARG 4 -# elif LONG_MAX == FFI_64_BIT_MAX -# define FFI_SIZEOF_ARG 8 -# endif -#endif - -#ifndef FFI_SIZEOF_JAVA_RAW -# define FFI_SIZEOF_JAVA_RAW FFI_SIZEOF_ARG -#endif - -typedef union { - ffi_sarg sint; - ffi_arg uint; - float flt; - char data[FFI_SIZEOF_ARG]; - void* ptr; -} ffi_raw; - -#if FFI_SIZEOF_JAVA_RAW == 4 && FFI_SIZEOF_ARG == 8 -/* This is a special case for mips64/n32 ABI (and perhaps others) where - sizeof(void *) is 4 and FFI_SIZEOF_ARG is 8. */ -typedef union { - signed int sint; - unsigned int uint; - float flt; - char data[FFI_SIZEOF_JAVA_RAW]; - void* ptr; -} ffi_java_raw; -#else -typedef ffi_raw ffi_java_raw; -#endif - - -void ffi_raw_call (ffi_cif *cif, - void (*fn)(void), - void *rvalue, - ffi_raw *avalue); - -void ffi_ptrarray_to_raw (ffi_cif *cif, void **args, ffi_raw *raw); -void ffi_raw_to_ptrarray (ffi_cif *cif, ffi_raw *raw, void **args); -size_t ffi_raw_size (ffi_cif *cif); - -/* This is analogous to the raw API, except it uses Java parameter */ -/* packing, even on 64-bit machines. I.e. on 64-bit machines */ -/* longs and doubles are followed by an empty 64-bit word. */ - -void ffi_java_raw_call (ffi_cif *cif, - void (*fn)(void), - void *rvalue, - ffi_java_raw *avalue); - -void ffi_java_ptrarray_to_raw (ffi_cif *cif, void **args, ffi_java_raw *raw); -void ffi_java_raw_to_ptrarray (ffi_cif *cif, ffi_java_raw *raw, void **args); -size_t ffi_java_raw_size (ffi_cif *cif); - -/* ---- Definitions for closures ----------------------------------------- */ - -#if FFI_CLOSURES - -#ifdef _MSC_VER -__declspec(align(8)) -#endif -typedef struct { -#if @FFI_EXEC_TRAMPOLINE_TABLE@ - void *trampoline_table; - void *trampoline_table_entry; -#else - char tramp[FFI_TRAMPOLINE_SIZE]; -#endif - ffi_cif *cif; - void (*fun)(ffi_cif*,void*,void**,void*); - void *user_data; -#ifdef __GNUC__ -} ffi_closure __attribute__((aligned (8))); -#else -} ffi_closure; -# ifdef __sgi -# pragma pack 0 -# endif -#endif - -void *ffi_closure_alloc (size_t size, void **code); -void ffi_closure_free (void *); - -ffi_status -ffi_prep_closure (ffi_closure*, - ffi_cif *, - void (*fun)(ffi_cif*,void*,void**,void*), - void *user_data); - -ffi_status -ffi_prep_closure_loc (ffi_closure*, - ffi_cif *, - void (*fun)(ffi_cif*,void*,void**,void*), - void *user_data, - void*codeloc); - -#ifdef __sgi -# pragma pack 8 -#endif -typedef struct { -#if @FFI_EXEC_TRAMPOLINE_TABLE@ - void *trampoline_table; - void *trampoline_table_entry; -#else - char tramp[FFI_TRAMPOLINE_SIZE]; -#endif - ffi_cif *cif; - -#if !FFI_NATIVE_RAW_API - - /* if this is enabled, then a raw closure has the same layout - as a regular closure. We use this to install an intermediate - handler to do the transaltion, void** -> ffi_raw*. */ - - void (*translate_args)(ffi_cif*,void*,void**,void*); - void *this_closure; - -#endif - - void (*fun)(ffi_cif*,void*,ffi_raw*,void*); - void *user_data; - -} ffi_raw_closure; - -typedef struct { -#if @FFI_EXEC_TRAMPOLINE_TABLE@ - void *trampoline_table; - void *trampoline_table_entry; -#else - char tramp[FFI_TRAMPOLINE_SIZE]; -#endif - - ffi_cif *cif; - -#if !FFI_NATIVE_RAW_API - - /* if this is enabled, then a raw closure has the same layout - as a regular closure. We use this to install an intermediate - handler to do the transaltion, void** -> ffi_raw*. */ - - void (*translate_args)(ffi_cif*,void*,void**,void*); - void *this_closure; - -#endif - - void (*fun)(ffi_cif*,void*,ffi_java_raw*,void*); - void *user_data; - -} ffi_java_raw_closure; - -ffi_status -ffi_prep_raw_closure (ffi_raw_closure*, - ffi_cif *cif, - void (*fun)(ffi_cif*,void*,ffi_raw*,void*), - void *user_data); - -ffi_status -ffi_prep_raw_closure_loc (ffi_raw_closure*, - ffi_cif *cif, - void (*fun)(ffi_cif*,void*,ffi_raw*,void*), - void *user_data, - void *codeloc); - -ffi_status -ffi_prep_java_raw_closure (ffi_java_raw_closure*, - ffi_cif *cif, - void (*fun)(ffi_cif*,void*,ffi_java_raw*,void*), - void *user_data); - -ffi_status -ffi_prep_java_raw_closure_loc (ffi_java_raw_closure*, - ffi_cif *cif, - void (*fun)(ffi_cif*,void*,ffi_java_raw*,void*), - void *user_data, - void *codeloc); - -#endif /* FFI_CLOSURES */ - -/* ---- Public interface definition -------------------------------------- */ - -ffi_status ffi_prep_cif(ffi_cif *cif, - ffi_abi abi, - unsigned int nargs, - ffi_type *rtype, - ffi_type **atypes); - -ffi_status ffi_prep_cif_var(ffi_cif *cif, - ffi_abi abi, - unsigned int nfixedargs, - unsigned int ntotalargs, - ffi_type *rtype, - ffi_type **atypes); - -void ffi_call(ffi_cif *cif, - void (*fn)(void), - void *rvalue, - void **avalue); - -/* Useful for eliminating compiler warnings */ -#define FFI_FN(f) ((void (*)(void))f) - -/* ---- Definitions shared with assembly code ---------------------------- */ - -#endif - -/* If these change, update src/mips/ffitarget.h. */ -#define FFI_TYPE_VOID 0 -#define FFI_TYPE_INT 1 -#define FFI_TYPE_FLOAT 2 -#define FFI_TYPE_DOUBLE 3 -#if @HAVE_LONG_DOUBLE@ -#define FFI_TYPE_LONGDOUBLE 4 -#else -#define FFI_TYPE_LONGDOUBLE FFI_TYPE_DOUBLE -#endif -#define FFI_TYPE_UINT8 5 -#define FFI_TYPE_SINT8 6 -#define FFI_TYPE_UINT16 7 -#define FFI_TYPE_SINT16 8 -#define FFI_TYPE_UINT32 9 -#define FFI_TYPE_SINT32 10 -#define FFI_TYPE_UINT64 11 -#define FFI_TYPE_SINT64 12 -#define FFI_TYPE_STRUCT 13 -#define FFI_TYPE_POINTER 14 - -/* This should always refer to the last type code (for sanity checks) */ -#define FFI_TYPE_LAST FFI_TYPE_POINTER - -#ifdef __cplusplus -} -#endif - -#endif |