| /* -----------------------------------------------------------------*-C-*- | |
| ffitarget.h - Copyright (c) 2012 Anthony Green | |
| Copyright (c) 1996-2003 Red Hat, Inc. | |
| Target configuration macros for MIPS. | |
| Permission is hereby granted, free of charge, to any person obtaining | |
| a copy of this software and associated documentation files (the | |
| ``Software''), to deal in the Software without restriction, including | |
| without limitation the rights to use, copy, modify, merge, publish, | |
| distribute, sublicense, and/or sell copies of the Software, and to | |
| permit persons to whom the Software is furnished to do so, subject to | |
| the following conditions: | |
| The above copyright notice and this permission notice shall be included | |
| in all copies or substantial portions of the Software. | |
| THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, | |
| EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
| MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
| NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT | |
| HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, | |
| WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
| OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
| DEALINGS IN THE SOFTWARE. | |
| ----------------------------------------------------------------------- */ | |
| #ifndef LIBFFI_TARGET_H | |
| #define LIBFFI_TARGET_H | |
| #ifndef LIBFFI_H | |
| #error "Please do not include ffitarget.h directly into your source. Use ffi.h instead." | |
| #endif | |
| #ifdef __linux__ | |
| # include <asm/sgidefs.h> | |
| #elif defined(__rtems__) | |
| /* | |
| * Subprogram calling convention - copied from sgidefs.h | |
| */ | |
| #define _MIPS_SIM_ABI32 1 | |
| #define _MIPS_SIM_NABI32 2 | |
| #define _MIPS_SIM_ABI64 3 | |
| #elif !defined(__OpenBSD__) && !defined(__FreeBSD__) | |
| # include <sgidefs.h> | |
| #endif | |
| # ifndef _ABIN32 | |
| # define _ABIN32 _MIPS_SIM_NABI32 | |
| # endif | |
| # ifndef _ABI64 | |
| # define _ABI64 _MIPS_SIM_ABI64 | |
| # endif | |
| # ifndef _ABIO32 | |
| # define _ABIO32 _MIPS_SIM_ABI32 | |
| # endif | |
| #if !defined(_MIPS_SIM) | |
| # error -- something is very wrong -- | |
| #else | |
| # if (_MIPS_SIM==_ABIN32 && defined(_ABIN32)) || (_MIPS_SIM==_ABI64 && defined(_ABI64)) | |
| # define FFI_MIPS_N32 | |
| # else | |
| # if (_MIPS_SIM==_ABIO32 && defined(_ABIO32)) | |
| # define FFI_MIPS_O32 | |
| # else | |
| # error -- this is an unsupported platform -- | |
| # endif | |
| # endif | |
| #endif | |
| #ifdef FFI_MIPS_O32 | |
| /* O32 stack frames have 32bit integer args */ | |
| # define FFI_SIZEOF_ARG 4 | |
| #else | |
| /* N32 and N64 frames have 64bit integer args */ | |
| # define FFI_SIZEOF_ARG 8 | |
| # if _MIPS_SIM == _ABIN32 | |
| # define FFI_SIZEOF_JAVA_RAW 4 | |
| # endif | |
| #endif | |
| #define FFI_FLAG_BITS 2 | |
| /* SGI's strange assembler requires that we multiply by 4 rather | |
| than shift left by FFI_FLAG_BITS */ | |
| #define FFI_ARGS_D FFI_TYPE_DOUBLE | |
| #define FFI_ARGS_F FFI_TYPE_FLOAT | |
| #define FFI_ARGS_DD FFI_TYPE_DOUBLE * 4 + FFI_TYPE_DOUBLE | |
| #define FFI_ARGS_FF FFI_TYPE_FLOAT * 4 + FFI_TYPE_FLOAT | |
| #define FFI_ARGS_FD FFI_TYPE_DOUBLE * 4 + FFI_TYPE_FLOAT | |
| #define FFI_ARGS_DF FFI_TYPE_FLOAT * 4 + FFI_TYPE_DOUBLE | |
| /* Needed for N32 structure returns */ | |
| #define FFI_TYPE_SMALLSTRUCT FFI_TYPE_UINT8 | |
| #define FFI_TYPE_SMALLSTRUCT2 FFI_TYPE_SINT8 | |
| #if 0 | |
| /* The SGI assembler can't handle this.. */ | |
| #define FFI_TYPE_STRUCT_DD (( FFI_ARGS_DD ) << 4) + FFI_TYPE_STRUCT | |
| /* (and so on) */ | |
| #else | |
| /* ...so we calculate these by hand! */ | |
| #define FFI_TYPE_STRUCT_D 61 | |
| #define FFI_TYPE_STRUCT_F 45 | |
| #define FFI_TYPE_STRUCT_DD 253 | |
| #define FFI_TYPE_STRUCT_FF 173 | |
| #define FFI_TYPE_STRUCT_FD 237 | |
| #define FFI_TYPE_STRUCT_DF 189 | |
| #define FFI_TYPE_STRUCT_SMALL 93 | |
| #define FFI_TYPE_STRUCT_SMALL2 109 | |
| /* and for n32 soft float, add 16 * 2^4 */ | |
| #define FFI_TYPE_STRUCT_D_SOFT 317 | |
| #define FFI_TYPE_STRUCT_F_SOFT 301 | |
| #define FFI_TYPE_STRUCT_DD_SOFT 509 | |
| #define FFI_TYPE_STRUCT_FF_SOFT 429 | |
| #define FFI_TYPE_STRUCT_FD_SOFT 493 | |
| #define FFI_TYPE_STRUCT_DF_SOFT 445 | |
| #define FFI_TYPE_STRUCT_SOFT 16 | |
| #endif | |
| #ifdef LIBFFI_ASM | |
| #define v0 $2 | |
| #define v1 $3 | |
| #define a0 $4 | |
| #define a1 $5 | |
| #define a2 $6 | |
| #define a3 $7 | |
| #define a4 $8 | |
| #define a5 $9 | |
| #define a6 $10 | |
| #define a7 $11 | |
| #define t0 $8 | |
| #define t1 $9 | |
| #define t2 $10 | |
| #define t3 $11 | |
| #define t4 $12 | |
| #define t5 $13 | |
| #define t6 $14 | |
| #define t7 $15 | |
| #define t8 $24 | |
| #define t9 $25 | |
| #define ra $31 | |
| #ifdef FFI_MIPS_O32 | |
| # define REG_L lw | |
| # define REG_S sw | |
| # define SUBU subu | |
| # define ADDU addu | |
| # define SRL srl | |
| # define LI li | |
| #else /* !FFI_MIPS_O32 */ | |
| # define REG_L ld | |
| # define REG_S sd | |
| # define SUBU dsubu | |
| # define ADDU daddu | |
| # define SRL dsrl | |
| # define LI dli | |
| # if (_MIPS_SIM==_ABI64) | |
| # define LA dla | |
| # define EH_FRAME_ALIGN 3 | |
| # define FDE_ADDR_BYTES .8byte | |
| # else | |
| # define LA la | |
| # define EH_FRAME_ALIGN 2 | |
| # define FDE_ADDR_BYTES .4byte | |
| # endif /* _MIPS_SIM==_ABI64 */ | |
| #endif /* !FFI_MIPS_O32 */ | |
| #else /* !LIBFFI_ASM */ | |
| # ifdef __GNUC__ | |
| # ifdef FFI_MIPS_O32 | |
| /* O32 stack frames have 32bit integer args */ | |
| typedef unsigned int ffi_arg __attribute__((__mode__(__SI__))); | |
| typedef signed int ffi_sarg __attribute__((__mode__(__SI__))); | |
| #else | |
| /* N32 and N64 frames have 64bit integer args */ | |
| typedef unsigned int ffi_arg __attribute__((__mode__(__DI__))); | |
| typedef signed int ffi_sarg __attribute__((__mode__(__DI__))); | |
| # endif | |
| # else | |
| # ifdef FFI_MIPS_O32 | |
| /* O32 stack frames have 32bit integer args */ | |
| typedef __uint32_t ffi_arg; | |
| typedef __int32_t ffi_sarg; | |
| # else | |
| /* N32 and N64 frames have 64bit integer args */ | |
| typedef __uint64_t ffi_arg; | |
| typedef __int64_t ffi_sarg; | |
| # endif | |
| # endif /* __GNUC__ */ | |
| typedef enum ffi_abi { | |
| FFI_FIRST_ABI = 0, | |
| FFI_O32, | |
| FFI_N32, | |
| FFI_N64, | |
| FFI_O32_SOFT_FLOAT, | |
| FFI_N32_SOFT_FLOAT, | |
| FFI_N64_SOFT_FLOAT, | |
| FFI_LAST_ABI, | |
| #ifdef FFI_MIPS_O32 | |
| #ifdef __mips_soft_float | |
| FFI_DEFAULT_ABI = FFI_O32_SOFT_FLOAT | |
| #else | |
| FFI_DEFAULT_ABI = FFI_O32 | |
| #endif | |
| #else | |
| # if _MIPS_SIM==_ABI64 | |
| # ifdef __mips_soft_float | |
| FFI_DEFAULT_ABI = FFI_N64_SOFT_FLOAT | |
| # else | |
| FFI_DEFAULT_ABI = FFI_N64 | |
| # endif | |
| # else | |
| # ifdef __mips_soft_float | |
| FFI_DEFAULT_ABI = FFI_N32_SOFT_FLOAT | |
| # else | |
| FFI_DEFAULT_ABI = FFI_N32 | |
| # endif | |
| # endif | |
| #endif | |
| } ffi_abi; | |
| #define FFI_EXTRA_CIF_FIELDS unsigned rstruct_flag; unsigned mips_nfixedargs | |
| #define FFI_TARGET_SPECIFIC_VARIADIC | |
| #endif /* !LIBFFI_ASM */ | |
| /* ---- Definitions for closures ----------------------------------------- */ | |
| #define FFI_CLOSURES 1 | |
| #define FFI_GO_CLOSURES 1 | |
| #define FFI_NATIVE_RAW_API 0 | |
| #if defined(FFI_MIPS_O32) || (_MIPS_SIM ==_ABIN32) | |
| # define FFI_TRAMPOLINE_SIZE 20 | |
| #else | |
| # define FFI_TRAMPOLINE_SIZE 56 | |
| #endif | |
| #endif | |