зеркало из https://github.com/github/ruby.git
237 строки
5.7 KiB
C
237 строки
5.7 KiB
C
#ifndef FIDDLE_H
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#define FIDDLE_H
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#include <ruby.h>
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#include <errno.h>
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#if defined(_WIN32)
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#include <windows.h>
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#endif
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#ifdef HAVE_SYS_MMAN_H
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#include <sys/mman.h>
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#endif
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#if defined(HAVE_LINK_H)
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# include <link.h>
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#endif
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#if defined(HAVE_DLFCN_H)
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# include <dlfcn.h>
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# /* some stranger systems may not define all of these */
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#ifndef RTLD_LAZY
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#define RTLD_LAZY 0
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#endif
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#ifndef RTLD_GLOBAL
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#define RTLD_GLOBAL 0
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#endif
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#ifndef RTLD_NOW
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#define RTLD_NOW 0
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#endif
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#else
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# if defined(_WIN32)
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# include <windows.h>
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# define dlopen(name,flag) ((void*)LoadLibrary(name))
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# define dlerror() strerror(rb_w32_map_errno(GetLastError()))
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# define dlsym(handle,name) ((void*)GetProcAddress((handle),(name)))
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# define RTLD_LAZY -1
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# define RTLD_NOW -1
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# define RTLD_GLOBAL -1
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# endif
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#endif
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#ifdef USE_HEADER_HACKS
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#include <ffi/ffi.h>
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#else
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#include <ffi.h>
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#endif
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#undef ffi_type_uchar
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#undef ffi_type_schar
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#undef ffi_type_ushort
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#undef ffi_type_sshort
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#undef ffi_type_uint
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#undef ffi_type_sint
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#undef ffi_type_ulong
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#undef ffi_type_slong
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#if CHAR_BIT == 8
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# define ffi_type_uchar ffi_type_uint8
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# define ffi_type_schar ffi_type_sint8
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#else
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# error "CHAR_BIT not supported"
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#endif
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#if SIZEOF_SHORT == 2
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# define ffi_type_ushort ffi_type_uint16
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# define ffi_type_sshort ffi_type_sint16
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#elif SIZEOF_SHORT == 4
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# define ffi_type_ushort ffi_type_uint32
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# define ffi_type_sshort ffi_type_sint32
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#else
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# error "short size not supported"
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#endif
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#if SIZEOF_INT == 2
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# define ffi_type_uint ffi_type_uint16
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# define ffi_type_sint ffi_type_sint16
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#elif SIZEOF_INT == 4
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# define ffi_type_uint ffi_type_uint32
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# define ffi_type_sint ffi_type_sint32
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#elif SIZEOF_INT == 8
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# define ffi_type_uint ffi_type_uint64
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# define ffi_type_sint ffi_type_sint64
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#else
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# error "int size not supported"
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#endif
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#if SIZEOF_LONG == 4
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# define ffi_type_ulong ffi_type_uint32
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# define ffi_type_slong ffi_type_sint32
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#elif SIZEOF_LONG == 8
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# define ffi_type_ulong ffi_type_uint64
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# define ffi_type_slong ffi_type_sint64
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#else
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# error "long size not supported"
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#endif
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#if HAVE_LONG_LONG
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# if SIZEOF_LONG_LONG == 8
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# define ffi_type_slong_long ffi_type_sint64
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# define ffi_type_ulong_long ffi_type_uint64
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# else
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# error "long long size not supported"
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# endif
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#endif
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#include <closure.h>
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#include <conversions.h>
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#include <function.h>
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#define TYPE_VOID 0
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#define TYPE_VOIDP 1
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#define TYPE_CHAR 2
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#define TYPE_UCHAR -TYPE_CHAR
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#define TYPE_SHORT 3
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#define TYPE_USHORT -TYPE_SHORT
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#define TYPE_INT 4
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#define TYPE_UINT -TYPE_INT
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#define TYPE_LONG 5
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#define TYPE_ULONG -TYPE_LONG
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#if HAVE_LONG_LONG
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#define TYPE_LONG_LONG 6
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#define TYPE_ULONG_LONG -TYPE_LONG_LONG
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#endif
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#define TYPE_FLOAT 7
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#define TYPE_DOUBLE 8
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#define TYPE_VARIADIC 9
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#define TYPE_CONST_STRING 10
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#define TYPE_INT8_T TYPE_CHAR
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#define TYPE_UINT8_T -TYPE_INT8_T
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#if SIZEOF_SHORT == 2
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# define TYPE_INT16_T TYPE_SHORT
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#elif SIZEOF_INT == 2
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# define TYPE_INT16_T TYPE_INT
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#endif
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#ifdef TYPE_INT16_T
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# define TYPE_UINT16_T -TYPE_INT16_T
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#endif
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#if SIZEOF_SHORT == 4
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# define TYPE_INT32_T TYPE_SHORT
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#elif SIZEOF_INT == 4
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# define TYPE_INT32_T TYPE_INT
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#elif SIZEOF_LONG == 4
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# define TYPE_INT32_T TYPE_LONG
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#endif
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#ifdef TYPE_INT32_T
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#define TYPE_UINT32_T -TYPE_INT32_T
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#endif
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#if SIZEOF_INT == 8
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# define TYPE_INT64_T TYPE_INT
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#elif SIZEOF_LONG == 8
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# define TYPE_INT64_T TYPE_LONG
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#elif defined(TYPE_LONG_LONG)
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# define TYPE_INT64_T TYPE_LONG_LONG
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#endif
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#ifdef TYPE_INT64_T
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#define TYPE_UINT64_T -TYPE_INT64_T
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#endif
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#ifndef TYPE_SSIZE_T
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# if SIZEOF_SIZE_T == SIZEOF_INT
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# define TYPE_SSIZE_T TYPE_INT
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# elif SIZEOF_SIZE_T == SIZEOF_LONG
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# define TYPE_SSIZE_T TYPE_LONG
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# elif defined HAVE_LONG_LONG && SIZEOF_SIZE_T == SIZEOF_LONG_LONG
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# define TYPE_SSIZE_T TYPE_LONG_LONG
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# endif
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#endif
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#define TYPE_SIZE_T (-1*SIGNEDNESS_OF_SIZE_T*TYPE_SSIZE_T)
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#ifndef TYPE_PTRDIFF_T
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# if SIZEOF_PTRDIFF_T == SIZEOF_INT
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# define TYPE_PTRDIFF_T TYPE_INT
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# elif SIZEOF_PTRDIFF_T == SIZEOF_LONG
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# define TYPE_PTRDIFF_T TYPE_LONG
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# elif defined HAVE_LONG_LONG && SIZEOF_PTRDIFF_T == SIZEOF_LONG_LONG
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# define TYPE_PTRDIFF_T TYPE_LONG_LONG
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# endif
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#endif
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#ifndef TYPE_INTPTR_T
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# if SIZEOF_INTPTR_T == SIZEOF_INT
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# define TYPE_INTPTR_T TYPE_INT
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# elif SIZEOF_INTPTR_T == SIZEOF_LONG
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# define TYPE_INTPTR_T TYPE_LONG
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# elif defined HAVE_LONG_LONG && SIZEOF_INTPTR_T == SIZEOF_LONG_LONG
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# define TYPE_INTPTR_T TYPE_LONG_LONG
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# endif
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#endif
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#define TYPE_UINTPTR_T (-TYPE_INTPTR_T)
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/* GCC releases before GCC 4.9 had a bug in _Alignof. See GCC bug 52023
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<https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52023>.
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clang versions < 8.0.0 have the same bug. */
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#if (!defined(__STDC_VERSION__) || __STDC_VERSION__ < 201112 \
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|| (defined(__GNUC__) && __GNUC__ < 4 + (__GNUC_MINOR__ < 9) \
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&& !defined(__clang__)) \
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|| (defined(__clang__) && __clang_major__ < 8))
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# define ALIGN_OF(type) offsetof(struct {char align_c; type align_x;}, align_x)
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#else
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# define ALIGN_OF(type) _Alignof(type)
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#endif
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#define ALIGN_VOIDP ALIGN_OF(void*)
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#define ALIGN_CHAR ALIGN_OF(char)
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#define ALIGN_SHORT ALIGN_OF(short)
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#define ALIGN_INT ALIGN_OF(int)
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#define ALIGN_LONG ALIGN_OF(long)
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#if HAVE_LONG_LONG
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#define ALIGN_LONG_LONG ALIGN_OF(LONG_LONG)
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#endif
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#define ALIGN_FLOAT ALIGN_OF(float)
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#define ALIGN_DOUBLE ALIGN_OF(double)
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#define ALIGN_INT8_T ALIGN_OF(int8_t)
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#define ALIGN_INT16_T ALIGN_OF(int16_t)
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#define ALIGN_INT32_T ALIGN_OF(int32_t)
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#define ALIGN_INT64_T ALIGN_OF(int64_t)
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extern VALUE mFiddle;
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extern VALUE rb_eFiddleDLError;
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VALUE rb_fiddle_new_function(VALUE address, VALUE arg_types, VALUE ret_type);
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typedef void (*rb_fiddle_freefunc_t)(void*);
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VALUE rb_fiddle_ptr_new_wrap(void *ptr, long size, rb_fiddle_freefunc_t func, VALUE wrap0, VALUE wrap1);
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#endif
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/* vim: set noet sws=4 sw=4: */
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