1  /* -----------------------------------------------------------------*-C-*-
       2     ffitarget.h - Copyright (c) 2012  Anthony Green
       3                   Copyright (c) 2010  CodeSourcery
       4                   Copyright (c) 1996-2003  Red Hat, Inc.
       5  
       6     Target configuration macros for ARM.
       7  
       8     Permission is hereby granted, free of charge, to any person obtaining
       9     a copy of this software and associated documentation files (the
      10     ``Software''), to deal in the Software without restriction, including
      11     without limitation the rights to use, copy, modify, merge, publish,
      12     distribute, sublicense, and/or sell copies of the Software, and to
      13     permit persons to whom the Software is furnished to do so, subject to
      14     the following conditions:
      15  
      16     The above copyright notice and this permission notice shall be included
      17     in all copies or substantial portions of the Software.
      18  
      19     THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
      20     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
      21     MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
      22     NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
      23     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
      24     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
      25     OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
      26     DEALINGS IN THE SOFTWARE.
      27  
      28     ----------------------------------------------------------------------- */
      29  
      30  #ifndef LIBFFI_TARGET_H
      31  #define LIBFFI_TARGET_H
      32  
      33  #ifndef LIBFFI_H
      34  #error "Please do not include ffitarget.h directly into your source.  Use ffi.h instead."
      35  #endif
      36  
      37  #ifndef LIBFFI_ASM
      38  typedef unsigned long          ffi_arg;
      39  typedef signed long            ffi_sarg;
      40  
      41  typedef enum ffi_abi {
      42    FFI_FIRST_ABI = 0,
      43    FFI_SYSV,
      44    FFI_VFP,
      45    FFI_LAST_ABI,
      46  #if defined(__ARM_PCS_VFP) || defined(_WIN32)
      47    FFI_DEFAULT_ABI = FFI_VFP,
      48  #else
      49    FFI_DEFAULT_ABI = FFI_SYSV,
      50  #endif
      51  } ffi_abi;
      52  #endif
      53  
      54  #define FFI_EXTRA_CIF_FIELDS			\
      55    int vfp_used;					\
      56    unsigned short vfp_reg_free, vfp_nargs;	\
      57    signed char vfp_args[16]			\
      58  
      59  #define FFI_TARGET_SPECIFIC_VARIADIC
      60  #ifndef _WIN32
      61  #define FFI_TARGET_HAS_COMPLEX_TYPE
      62  #endif
      63  
      64  /* ---- Definitions for closures ----------------------------------------- */
      65  
      66  #define FFI_CLOSURES 1
      67  #define FFI_GO_CLOSURES 1
      68  #define FFI_NATIVE_RAW_API 0
      69  
      70  #if defined (FFI_EXEC_TRAMPOLINE_TABLE) && FFI_EXEC_TRAMPOLINE_TABLE
      71  
      72  #ifdef __MACH__
      73  #define FFI_TRAMPOLINE_SIZE 12
      74  #define FFI_TRAMPOLINE_CLOSURE_OFFSET 8
      75  #else
      76  #error "No trampoline table implementation"
      77  #endif
      78  
      79  #else
      80  #ifdef _WIN32
      81  #define FFI_TRAMPOLINE_SIZE 16
      82  #define FFI_TRAMPOLINE_CLOSURE_FUNCTION 12
      83  #else
      84  #define FFI_TRAMPOLINE_SIZE 12
      85  #endif
      86  #define FFI_TRAMPOLINE_CLOSURE_OFFSET FFI_TRAMPOLINE_SIZE
      87  #endif
      88  
      89  #endif