diff options
Diffstat (limited to 'libffi/src/arm/ffi.c')
| -rw-r--r-- | libffi/src/arm/ffi.c | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/libffi/src/arm/ffi.c b/libffi/src/arm/ffi.c deleted file mode 100644 index 5933c6bf9ff..00000000000 --- a/libffi/src/arm/ffi.c +++ /dev/null @@ -1,185 +0,0 @@ -/* ----------------------------------------------------------------------- - ffi.c - Copyright (c) 1998 Cygnus Solutions - - ARM Foreign Function Interface - - $Id: ffi.c,v 1.1.1.1 1998/11/29 16:48:16 green Exp $ - - 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. - ----------------------------------------------------------------------- */ - -#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 */ - -/*@-exportheader@*/ -void ffi_prep_args(char *stack, extended_cif *ecif) -/*@=exportheader@*/ -{ - register unsigned int i; - register int tmp; - register unsigned int avn; - register void **p_argv; - register char *argp; - register ffi_type **p_arg; - - tmp = 0; - argp = stack; - - if ( ecif->cif->rtype->type == FFI_TYPE_STRUCT ) { - *(void **) argp = ecif->rvalue; - argp += 4; - } - - avn = ecif->cif->nargs; - p_argv = ecif->avalue; - - for (i = ecif->cif->nargs, p_arg = ecif->cif->arg_types; - (i != 0) && (avn != 0); - i--, p_arg++) - { - size_t z; - - /* Align if necessary */ - if (((*p_arg)->alignment - 1) & (unsigned) argp) { - argp = (char *) ALIGN(argp, (*p_arg)->alignment); - } - - if (avn != 0) - { - avn--; - z = (*p_arg)->size; - if (z < sizeof(int)) - { - 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: - *(unsigned int *) argp = (unsigned int)*(UINT32 *)(* p_argv); - break; - - default: - FFI_ASSERT(0); - } - } - else if (z == sizeof(int)) - { - *(unsigned int *) argp = (unsigned int)*(UINT32 *)(* p_argv); - } - else - { - memcpy(argp, *p_argv, z); - } - p_argv++; - argp += z; - } - } - - return; -} - -/* 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: - case FFI_TYPE_STRUCT: - case FFI_TYPE_FLOAT: - case FFI_TYPE_DOUBLE: - cif->flags = (unsigned) cif->rtype->type; - break; - - default: - cif->flags = FFI_TYPE_INT; - break; - } - - return FFI_OK; -} - -/*@-declundef@*/ -/*@-exportheader@*/ -extern void ffi_call_SYSV(void (*)(char *, extended_cif *), - /*@out@*/ extended_cif *, - unsigned, unsigned, - /*@out@*/ unsigned *, - void (*fn)()); -/*@=declundef@*/ -/*@=exportheader@*/ - -void ffi_call(/*@dependent@*/ ffi_cif *cif, - void (*fn)(), - /*@out@*/ void *rvalue, - /*@dependent@*/ 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)) - { - /*@-sysunrecog@*/ - ecif.rvalue = alloca(cif->rtype->size); - /*@=sysunrecog@*/ - } - else - ecif.rvalue = rvalue; - - - switch (cif->abi) - { - case FFI_SYSV: - /*@-usedef@*/ - ffi_call_SYSV(ffi_prep_args, &ecif, cif->bytes, - cif->flags, ecif.rvalue, fn); - /*@=usedef@*/ - break; - default: - FFI_ASSERT(0); - break; - } -} |