libffi/src/aarch64/ffitarget.h

   1 /* Copyright (c) 2009, 2010, 2011, 2012 ARM Ltd.
   2
   3 Permission is hereby granted, free of charge, to any person obtaining
   4 a copy of this software and associated documentation files (the
   5 ``Software''), to deal in the Software without restriction, including
   6 without limitation the rights to use, copy, modify, merge, publish,
   7 distribute, sublicense, and/or sell copies of the Software, and to
   8 permit persons to whom the Software is furnished to do so, subject to
   9 the following conditions:
  10
  11 The above copyright notice and this permission notice shall be
  12 included in all copies or substantial portions of the Software.
  13
  14 THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
  15 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  16 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  17 IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
  18 CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  19 TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  20 SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
  21
  22 #ifndef LIBFFI_TARGET_H
  23 #define LIBFFI_TARGET_H
  24
  25 #ifndef LIBFFI_H
  26 #error "Please do not include ffitarget.h directly into your source.  Use ffi.h instead."
  27 #endif
  28
  29 #ifndef LIBFFI_ASM
  30 #ifdef __ILP32__
  31 #define FFI_SIZEOF_ARG 8
  32 #define FFI_SIZEOF_JAVA_RAW  4
  33 typedef unsigned long long ffi_arg;
  34 typedef signed long long ffi_sarg;
  35 #elif defined(_WIN32)
  36 #define FFI_SIZEOF_ARG 8
  37 typedef unsigned long long ffi_arg;
  38 typedef signed long long ffi_sarg;
  39 #else
  40 typedef unsigned long ffi_arg;
  41 typedef signed long ffi_sarg;
  42 #endif
  43
  44 typedef enum ffi_abi
  45   {
  46     FFI_FIRST_ABI = 0,
  47     FFI_SYSV,
  48     FFI_WIN64,
  49     FFI_LAST_ABI,
  50 #if defined(_WIN32)
  51     FFI_DEFAULT_ABI = FFI_WIN64
  52 #else
  53     FFI_DEFAULT_ABI = FFI_SYSV
  54 #endif
  55   } ffi_abi;
  56 #endif
  57
  58 /* ---- Definitions for closures ----------------------------------------- */
  59
  60 #define FFI_CLOSURES 1
  61 #define FFI_NATIVE_RAW_API 0
  62
  63 #if defined (FFI_EXEC_TRAMPOLINE_TABLE) && FFI_EXEC_TRAMPOLINE_TABLE
  64
  65 #ifdef __MACH__
  66 #define FFI_TRAMPOLINE_SIZE 16
  67 #define FFI_TRAMPOLINE_CLOSURE_OFFSET 16
  68 #else
  69 #error "No trampoline table implementation"
  70 #endif
  71
  72 #else
  73 #define FFI_TRAMPOLINE_SIZE 24
  74 #define FFI_TRAMPOLINE_CLOSURE_OFFSET FFI_TRAMPOLINE_SIZE
  75 #endif
  76
  77 #ifdef _WIN32
  78 #define FFI_EXTRA_CIF_FIELDS unsigned is_variadic
  79 #endif
  80 #define FFI_TARGET_SPECIFIC_VARIADIC
  81
  82 /* ---- Internal ---- */
  83
  84 #if defined (__APPLE__)
  85 #define FFI_EXTRA_CIF_FIELDS unsigned aarch64_nfixedargs
  86 #elif !defined(_WIN32)
  87 /* iOS and Windows reserve x18 for the system.  Disable Go closures until
  88    a new static chain is chosen.  */
  89 #define FFI_GO_CLOSURES 1
  90 #endif
  91
  92 #ifndef _WIN32
  93 /* No complex type on Windows */
  94 #define FFI_TARGET_HAS_COMPLEX_TYPE
  95 #endif
  96
  97 #endif