libffi/src/riscv/ffitarget.h

   1 /* -----------------------------------------------------------------*-C-*-
   2    ffitarget.h - 2014 Michael Knyszek
   3
   4    Target configuration macros for RISC-V.
   5
   6    Permission is hereby granted, free of charge, to any person obtaining
   7    a copy of this software and associated documentation files (the
   8    ``Software''), to deal in the Software without restriction, including
   9    without limitation the rights to use, copy, modify, merge, publish,
  10    distribute, sublicense, and/or sell copies of the Software, and to
  11    permit persons to whom the Software is furnished to do so, subject to
  12    the following conditions:
  13
  14    The above copyright notice and this permission notice shall be included
  15    in all copies or substantial portions of the Software.
  16
  17    THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
  18    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  20    NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  21    HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  22    WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  23    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  24    DEALINGS IN THE SOFTWARE.
  25
  26    ----------------------------------------------------------------------- */
  27
  28 #ifndef LIBFFI_TARGET_H
  29 #define LIBFFI_TARGET_H
  30
  31 #ifndef LIBFFI_H
  32 #error "Please do not include ffitarget.h directly into your source.  Use ffi.h instead."
  33 #endif
  34
  35 #ifndef __riscv
  36 #error "libffi was configured for a RISC-V target but this does not appear to be a RISC-V compiler."
  37 #endif
  38
  39 #ifndef LIBFFI_ASM
  40
  41 typedef unsigned long ffi_arg;
  42 typedef   signed long ffi_sarg;
  43
  44 /* FFI_UNUSED_NN and riscv_unused are to maintain ABI compatibility with a
  45    distributed Berkeley patch from 2014, and can be removed at SONAME bump */
  46 typedef enum ffi_abi {
  47     FFI_FIRST_ABI = 0,
  48     FFI_SYSV,
  49     FFI_UNUSED_1,
  50     FFI_UNUSED_2,
  51     FFI_UNUSED_3,
  52     FFI_LAST_ABI,
  53
  54     FFI_DEFAULT_ABI = FFI_SYSV
  55 } ffi_abi;
  56
  57 #endif /* LIBFFI_ASM */
  58
  59 /* ---- Definitions for closures ----------------------------------------- */
  60
  61 #define FFI_CLOSURES 1
  62 #define FFI_TRAMPOLINE_SIZE 24
  63 #define FFI_NATIVE_RAW_API 0
  64 #define FFI_EXTRA_CIF_FIELDS unsigned riscv_nfixedargs; unsigned riscv_unused;
  65 #define FFI_TARGET_SPECIFIC_VARIADIC
  66
  67 #endif
  68