libffi/src/sparc/ffitarget.h

   1 /* -----------------------------------------------------------------*-C-*-
   2    ffitarget.h - Copyright (c) 2012  Anthony Green
   3                  Copyright (c) 1996-2003  Red Hat, Inc.
   4    Target configuration macros for SPARC.
   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 /* ---- System specific configurations ----------------------------------- */
  36
  37 #if defined(__arch64__) || defined(__sparcv9)
  38 #ifndef SPARC64
  39 #define SPARC64
  40 #endif
  41 #endif
  42
  43 #ifndef LIBFFI_ASM
  44 typedef unsigned long          ffi_arg;
  45 typedef signed long            ffi_sarg;
  46
  47 typedef enum ffi_abi {
  48   FFI_FIRST_ABI = 0,
  49   FFI_V8,
  50   FFI_V8PLUS,
  51   /* See below for the COMPAT_V9 rationale.  */
  52   FFI_COMPAT_V9,
  53   FFI_V9,
  54   FFI_LAST_ABI,
  55 #ifdef SPARC64
  56   FFI_DEFAULT_ABI = FFI_V9
  57 #else
  58   FFI_DEFAULT_ABI = FFI_V8
  59 #endif
  60 } ffi_abi;
  61 #endif
  62
  63 #define V8_ABI_P(abi) ((abi) == FFI_V8 || (abi) == FFI_V8PLUS)
  64 #define V9_ABI_P(abi) ((abi) == FFI_COMPAT_V9 || (abi) == FFI_V9)
  65
  66 #define FFI_TARGET_SPECIFIC_VARIADIC 1
  67
  68 /* The support of variadic functions was broken in the original implementation
  69    of the FFI_V9 ABI.  This has been fixed by adding one extra field to the
  70    CIF structure (nfixedargs field), which means that the ABI of libffi itself
  71    has changed.  In order to support applications using the original ABI, we
  72    have renamed FFI_V9 into FFI_COMPAT_V9 and defined a new FFI_V9 value.  */
  73 #ifdef SPARC64
  74 #define FFI_EXTRA_CIF_FIELDS unsigned int nfixedargs
  75 #endif
  76
  77 /* ---- Definitions for closures ----------------------------------------- */
  78
  79 #define FFI_CLOSURES 1
  80 #ifdef SPARC64
  81 #define FFI_TRAMPOLINE_SIZE 24
  82 #else
  83 #define FFI_TRAMPOLINE_SIZE 16
  84 #endif
  85 #define FFI_NATIVE_RAW_API 0
  86
  87 #endif