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/* -----------------------------------------------------------------*-C-*-
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ffitarget.h - Copyright (c) 1996-2003 Red Hat, Inc.
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Target configuration macros for MIPS.
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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``Software''), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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----------------------------------------------------------------------- */
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#ifndef LIBFFI_TARGET_H
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#define LIBFFI_TARGET_H
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#if !defined(_MIPS_SIM)
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-- something is very wrong --
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# if (_MIPS_SIM==_ABIN32 && defined(_ABIN32)) || (_MIPS_SIM==_ABI64 && defined(_ABI64))
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# if (_MIPS_SIM==_ABIO32 && defined(_ABIO32))
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-- this is an unsupported platform --
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/* O32 stack frames have 32bit integer args */
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#define FFI_SIZEOF_ARG 4
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/* N32 and N64 frames have 64bit integer args */
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#define FFI_SIZEOF_ARG 8
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#define FFI_FLAG_BITS 2
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/* SGI's strange assembler requires that we multiply by 4 rather
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than shift left by FFI_FLAG_BITS */
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#define FFI_ARGS_D FFI_TYPE_DOUBLE
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#define FFI_ARGS_F FFI_TYPE_FLOAT
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#define FFI_ARGS_DD FFI_TYPE_DOUBLE * 4 + FFI_TYPE_DOUBLE
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#define FFI_ARGS_FF FFI_TYPE_FLOAT * 4 + FFI_TYPE_FLOAT
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#define FFI_ARGS_FD FFI_TYPE_DOUBLE * 4 + FFI_TYPE_FLOAT
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#define FFI_ARGS_DF FFI_TYPE_FLOAT * 4 + FFI_TYPE_DOUBLE
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/* Needed for N32 structure returns */
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#define FFI_TYPE_SMALLSTRUCT FFI_TYPE_UINT8
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#define FFI_TYPE_SMALLSTRUCT2 FFI_TYPE_SINT8
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/* The SGI assembler can't handle this.. */
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#define FFI_TYPE_STRUCT_DD (( FFI_ARGS_DD ) << 4) + FFI_TYPE_STRUCT
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/* ...so we calculate these by hand! */
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#define FFI_TYPE_STRUCT_D 61
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#define FFI_TYPE_STRUCT_F 45
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#define FFI_TYPE_STRUCT_DD 253
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#define FFI_TYPE_STRUCT_FF 173
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#define FFI_TYPE_STRUCT_FD 237
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#define FFI_TYPE_STRUCT_DF 189
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#define FFI_TYPE_STRUCT_SMALL 93
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#define FFI_TYPE_STRUCT_SMALL2 109
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#else /* !FFI_MIPS_O32 */
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#endif /* !FFI_MIPS_O32 */
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#else /* !LIBFFI_ASM */
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/* O32 stack frames have 32bit integer args */
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typedef unsigned int ffi_arg __attribute__((__mode__(__SI__)));
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typedef signed int ffi_sarg __attribute__((__mode__(__SI__)));
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/* N32 and N64 frames have 64bit integer args */
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typedef unsigned int ffi_arg __attribute__((__mode__(__DI__)));
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typedef signed int ffi_sarg __attribute__((__mode__(__DI__)));
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typedef enum ffi_abi {
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#ifdef __mips_soft_float
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FFI_DEFAULT_ABI = FFI_O32_SOFT_FLOAT,
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FFI_DEFAULT_ABI = FFI_O32,
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FFI_DEFAULT_ABI = FFI_N32,
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FFI_LAST_ABI = FFI_DEFAULT_ABI + 1
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#define FFI_EXTRA_CIF_FIELDS unsigned rstruct_flag
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#endif /* !LIBFFI_ASM */
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/* ---- Definitions for closures ----------------------------------------- */
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#if defined(FFI_MIPS_O32)
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#define FFI_CLOSURES 1
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#define FFI_TRAMPOLINE_SIZE 20
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/* N32/N64 not implemented yet. */
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#define FFI_CLOSURES 0
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#endif /* FFI_MIPS_O32 */
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#define FFI_NATIVE_RAW_API 0
added
removed
libffi/src/mips/ffitarget.h
