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author | Peter Rosin <peda@lysator.liu.se> | 2012-03-30 08:14:08 -0400 |
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committer | Anthony Green <green@moxielogic.com> | 2012-03-30 08:14:08 -0400 |
commit | 0a1ab12a8d15caa894116a82249551f23ef65612 (patch) | |
tree | 5be1ec4d91302d76b931bd5fce4d10e37e163b8e /.pc/msvc-changes/include/ffi.h.in | |
parent | e1539266e6c6dde3c99832323586f33f977d1dc0 (diff) | |
download | libffi-0a1ab12a8d15caa894116a82249551f23ef65612.tar.gz |
Various MSVC-related changes.
Diffstat (limited to '.pc/msvc-changes/include/ffi.h.in')
-rw-r--r-- | .pc/msvc-changes/include/ffi.h.in | 443 |
1 files changed, 443 insertions, 0 deletions
diff --git a/.pc/msvc-changes/include/ffi.h.in b/.pc/msvc-changes/include/ffi.h.in new file mode 100644 index 0000000..84017f1 --- /dev/null +++ b/.pc/msvc-changes/include/ffi.h.in @@ -0,0 +1,443 @@ +/* -----------------------------------------------------------------*-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 + +/* These are defined in types.c */ +extern ffi_type ffi_type_void; +extern ffi_type ffi_type_uint8; +extern ffi_type ffi_type_sint8; +extern ffi_type ffi_type_uint16; +extern ffi_type ffi_type_sint16; +extern ffi_type ffi_type_uint32; +extern ffi_type ffi_type_sint32; +extern ffi_type ffi_type_uint64; +extern ffi_type ffi_type_sint64; +extern ffi_type ffi_type_float; +extern ffi_type ffi_type_double; +extern ffi_type ffi_type_pointer; + +#if @HAVE_LONG_DOUBLE@ +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; + +/* 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 { + char tramp[FFI_TRAMPOLINE_SIZE]; + 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 { + char tramp[FFI_TRAMPOLINE_SIZE]; + + 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 { + char tramp[FFI_TRAMPOLINE_SIZE]; + + 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 |