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 #else
  36 typedef unsigned long ffi_arg;
  37 typedef signed long ffi_sarg;
  38 #endif
  39
  40 typedef enum ffi_abi
  41   {
  42     FFI_FIRST_ABI = 0,
  43     FFI_SYSV,
  44     FFI_LAST_ABI,
  45     FFI_DEFAULT_ABI = FFI_SYSV
  46   } ffi_abi;
  47 #endif
  48
  49 /* ---- Definitions for closures ----------------------------------------- */
  50
  51 #define FFI_CLOSURES 1
  52 #if defined (__APPLE__)
  53 #define FFI_TRAMPOLINE_SIZE 20
  54 #define FFI_TRAMPOLINE_CLOSURE_OFFSET 16
  55 #else
  56 #define FFI_TRAMPOLINE_SIZE 24
  57 #define FFI_TRAMPOLINE_CLOSURE_OFFSET FFI_TRAMPOLINE_SIZE
  58 #endif
  59 #define FFI_NATIVE_RAW_API 0
  60
  61 /* ---- Internal ---- */
  62
  63 #if defined (__APPLE__)
  64 #define FFI_TARGET_SPECIFIC_VARIADIC
  65 #define FFI_EXTRA_CIF_FIELDS unsigned aarch64_nfixedargs
  66 #else
  67 /* iOS reserves x18 for the system.  Disable Go closures until
  68    a new static chain is chosen.  */
  69 #define FFI_GO_CLOSURES 1
  70 #endif
  71
  72 #define FFI_TARGET_HAS_COMPLEX_TYPE
  73
  74 #endif