diff options
Diffstat (limited to 'libffi/src/m68k')
-rw-r--r-- | libffi/src/m68k/ffi.c | 176 | ||||
-rw-r--r-- | libffi/src/m68k/ffitarget.h | 47 | ||||
-rw-r--r-- | libffi/src/m68k/sysv.S | 97 |
3 files changed, 0 insertions, 320 deletions
diff --git a/libffi/src/m68k/ffi.c b/libffi/src/m68k/ffi.c deleted file mode 100644 index 55f3a98..0000000 --- a/libffi/src/m68k/ffi.c +++ /dev/null @@ -1,176 +0,0 @@ -/* ----------------------------------------------------------------------- - ffi.c - - m68k Foreign Function Interface - ----------------------------------------------------------------------- */ - -#include <ffi.h> -#include <ffi_common.h> - -#include <stdlib.h> - -/* ffi_prep_args is called by the assembly routine once stack space has - been allocated for the function's arguments. */ - -static void * -ffi_prep_args (void *stack, extended_cif *ecif) -{ - unsigned int i; - void **p_argv; - char *argp; - ffi_type **p_arg; - void *struct_value_ptr; - - argp = stack; - - if (ecif->cif->rtype->type == FFI_TYPE_STRUCT - && ecif->cif->rtype->size > 8) - struct_value_ptr = ecif->rvalue; - else - struct_value_ptr = NULL; - - p_argv = ecif->avalue; - - for (i = ecif->cif->nargs, p_arg = ecif->cif->arg_types; - i != 0; - i--, p_arg++) - { - size_t z; - - /* Align if necessary. */ - if (((*p_arg)->alignment - 1) & (unsigned) argp) - argp = (char *) ALIGN (argp, (*p_arg)->alignment); - - z = (*p_arg)->size; - if (z < sizeof (int)) - { - switch ((*p_arg)->type) - { - case FFI_TYPE_SINT8: - *(signed int *) argp = (signed int) *(SINT8 *) *p_argv; - break; - - case FFI_TYPE_UINT8: - *(unsigned int *) argp = (unsigned int) *(UINT8 *) *p_argv; - break; - - case FFI_TYPE_SINT16: - *(signed int *) argp = (signed int) *(SINT16 *) *p_argv; - break; - - case FFI_TYPE_UINT16: - *(unsigned int *) argp = (unsigned int) *(UINT16 *) *p_argv; - break; - - case FFI_TYPE_STRUCT: - memcpy (argp + sizeof (int) - z, *p_argv, z); - break; - - default: - FFI_ASSERT (0); - } - z = sizeof (int); - } - else - memcpy (argp, *p_argv, z); - p_argv++; - argp += z; - } - - return struct_value_ptr; -} - -#define CIF_FLAGS_INT 1 -#define CIF_FLAGS_DINT 2 -#define CIF_FLAGS_FLOAT 4 -#define CIF_FLAGS_DOUBLE 8 -#define CIF_FLAGS_LDOUBLE 16 -#define CIF_FLAGS_POINTER 32 -#define CIF_FLAGS_STRUCT 64 - -/* Perform machine dependent cif processing */ -ffi_status -ffi_prep_cif_machdep (ffi_cif *cif) -{ - /* Set the return type flag */ - switch (cif->rtype->type) - { - case FFI_TYPE_VOID: - cif->flags = 0; - break; - - case FFI_TYPE_STRUCT: - if (cif->rtype->size > 4 && cif->rtype->size <= 8) - cif->flags = CIF_FLAGS_DINT; - else if (cif->rtype->size <= 4) - cif->flags = CIF_FLAGS_STRUCT; - else - cif->flags = 0; - break; - - case FFI_TYPE_FLOAT: - cif->flags = CIF_FLAGS_FLOAT; - break; - - case FFI_TYPE_DOUBLE: - cif->flags = CIF_FLAGS_DOUBLE; - break; - - case FFI_TYPE_LONGDOUBLE: - cif->flags = CIF_FLAGS_LDOUBLE; - break; - - case FFI_TYPE_POINTER: - cif->flags = CIF_FLAGS_POINTER; - break; - - case FFI_TYPE_SINT64: - case FFI_TYPE_UINT64: - cif->flags = CIF_FLAGS_DINT; - break; - - default: - cif->flags = CIF_FLAGS_INT; - break; - } - - return FFI_OK; -} - -extern void ffi_call_SYSV (void *(*) (void *, extended_cif *), - extended_cif *, - unsigned, unsigned, unsigned, - void *, void (*fn) ()); - -void -ffi_call (ffi_cif *cif, void (*fn) (), void *rvalue, void **avalue) -{ - extended_cif ecif; - - ecif.cif = cif; - ecif.avalue = avalue; - - /* If the return value is a struct and we don't have a return value - address then we need to make one. */ - - if (rvalue == NULL - && cif->rtype->type == FFI_TYPE_STRUCT - && cif->rtype->size > 8) - ecif.rvalue = alloca (cif->rtype->size); - else - ecif.rvalue = rvalue; - - - switch (cif->abi) - { - case FFI_SYSV: - ffi_call_SYSV (ffi_prep_args, &ecif, cif->bytes, - cif->flags, cif->rtype->size * 8, - ecif.rvalue, fn); - break; - - default: - FFI_ASSERT (0); - break; - } -} diff --git a/libffi/src/m68k/ffitarget.h b/libffi/src/m68k/ffitarget.h deleted file mode 100644 index aca7fac..0000000 --- a/libffi/src/m68k/ffitarget.h +++ /dev/null @@ -1,47 +0,0 @@ -/* -----------------------------------------------------------------*-C-*- - ffitarget.h - Copyright (c) 1996-2003 Red Hat, Inc. - Target configuration macros for Motorola 68K. - - 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 - -#ifndef LIBFFI_ASM -typedef unsigned long ffi_arg; -typedef signed long ffi_sarg; - -typedef enum ffi_abi { - FFI_FIRST_ABI = 0, - FFI_SYSV, - FFI_DEFAULT_ABI = FFI_SYSV, - FFI_LAST_ABI = FFI_DEFAULT_ABI + 1 -} ffi_abi; -#endif - -/* ---- Definitions for closures ----------------------------------------- */ - -#define FFI_CLOSURES 0 -#define FFI_NATIVE_RAW_API 0 - -#endif - diff --git a/libffi/src/m68k/sysv.S b/libffi/src/m68k/sysv.S deleted file mode 100644 index d019a37..0000000 --- a/libffi/src/m68k/sysv.S +++ /dev/null @@ -1,97 +0,0 @@ -/* ----------------------------------------------------------------------- - sysv.S - - m68k Foreign Function Interface - ----------------------------------------------------------------------- */ - -#define LIBFFI_ASM -#include <fficonfig.h> -#include <ffi.h> - - .text - - .globl ffi_call_SYSV - .type ffi_call_SYSV,@function - -ffi_call_SYSV: - link %fp,#0 - move.l %d2,-(%sp) - - | Make room for all of the new args. - sub.l 16(%fp),%sp - - | Call ffi_prep_args - move.l 12(%fp),-(%sp) - pea 4(%sp) - move.l 8(%fp),%a0 - jsr (%a0) - addq.l #8,%sp - - | Pass pointer to struct value, if any - move.l %a0,%a1 - - | Call the function - move.l 32(%fp),%a0 - jsr (%a0) - - | Remove the space we pushed for the args - add.l 16(%fp),%sp - - | Load the pointer to storage for the return value - move.l 28(%fp),%a1 - - | Load the return type code - move.l 20(%fp),%d2 - - | If the return value pointer is NULL, assume no return value. - tst.l %a1 - jbeq noretval - - btst #0,%d2 - jbeq retlongint - move.l %d0,(%a1) - jbra epilogue - -retlongint: - btst #1,%d2 - jbeq retfloat - move.l %d0,(%a1) - move.l %d1,4(%a1) - jbra epilogue - -retfloat: - btst #2,%d2 - jbeq retdouble - fmove.s %fp0,(%a1) - jbra epilogue - -retdouble: - btst #3,%d2 - jbeq retlongdouble - fmove.d %fp0,(%a1) - jbra epilogue - -retlongdouble: - btst #4,%d2 - jbeq retpointer - fmove.x %fp0,(%a1) - jbra epilogue - -retpointer: - btst #5,%d2 - jbeq retstruct - move.l %a0,(%a1) - jbra epilogue - -retstruct: - btst #6,%d2 - jbeq noretval - move.l 24(%fp),%d2 - bfins %d0,(%a1){#0,%d2} - -noretval: -epilogue: - move.l (%sp)+,%d2 - unlk %a6 - rts - .size ffi_call_SYSV,.-ffi_call_SYSV |