diff options
Diffstat (limited to 'gcc-4.4.3/libffi/src/mips/ffitarget.h')
| -rw-r--r-- | gcc-4.4.3/libffi/src/mips/ffitarget.h | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/gcc-4.4.3/libffi/src/mips/ffitarget.h b/gcc-4.4.3/libffi/src/mips/ffitarget.h new file mode 100644 index 000000000..ccfc82b9d --- /dev/null +++ b/gcc-4.4.3/libffi/src/mips/ffitarget.h @@ -0,0 +1,188 @@ +/* -----------------------------------------------------------------*-C-*- + ffitarget.h - 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 CYGNUS SOLUTIONS 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 + +#if !defined(_MIPS_SIM) +-- 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 +-- 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 +#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 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 + +typedef enum ffi_abi { + FFI_FIRST_ABI = 0, + FFI_O32, + FFI_N32, + FFI_N64, + FFI_O32_SOFT_FLOAT, + +#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 + FFI_DEFAULT_ABI = FFI_N64, +# else + FFI_DEFAULT_ABI = FFI_N32, +# endif +#endif + + FFI_LAST_ABI = FFI_DEFAULT_ABI + 1 +} ffi_abi; + +#define FFI_EXTRA_CIF_FIELDS unsigned rstruct_flag +#endif /* !LIBFFI_ASM */ + +/* ---- Definitions for closures ----------------------------------------- */ + +#if defined(FFI_MIPS_O32) +#define FFI_CLOSURES 1 +#define FFI_TRAMPOLINE_SIZE 20 +#else +/* N32/N64. */ +# define FFI_CLOSURES 1 +#if _MIPS_SIM==_ABI64 +#define FFI_TRAMPOLINE_SIZE 52 +#else +#define FFI_TRAMPOLINE_SIZE 20 +#endif +#endif /* FFI_MIPS_O32 */ +#define FFI_NATIVE_RAW_API 0 + +#endif + |