diff options
Diffstat (limited to 'libffi/src/prep_cif.c')
| -rw-r--r-- | libffi/src/prep_cif.c | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/libffi/src/prep_cif.c b/libffi/src/prep_cif.c deleted file mode 100644 index 3f21411a6cb..00000000000 --- a/libffi/src/prep_cif.c +++ /dev/null @@ -1,148 +0,0 @@ -/* ----------------------------------------------------------------------- - prep_cif.c - Copyright (c) 1996, 1998 Cygnus Solutions - - $Id: prep_cif.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> - - -/* Round up to SIZEOF_ARG. */ - -#define STACK_ARG_SIZE(x) ALIGN(x, SIZEOF_ARG) - -/* Perform machine independent initialization of aggregate type - specifications. */ - -static ffi_status initialize_aggregate(/*@out@*/ ffi_type *arg) -{ - ffi_type **ptr; - - FFI_ASSERT(arg != NULL); - - /*@-usedef@*/ - - FFI_ASSERT(arg->elements != NULL); - FFI_ASSERT(arg->size == 0); - FFI_ASSERT(arg->alignment == 0); - - ptr = &(arg->elements[0]); - - while ((*ptr) != NULL) - { - if (((*ptr)->size == 0) && (initialize_aggregate((*ptr)) != FFI_OK)) - return FFI_BAD_TYPEDEF; - - /* Perform a sanity check on the argument type */ - FFI_ASSERT(ffi_type_test((*ptr))); - - arg->size = ALIGN(arg->size, (*ptr)->alignment); - arg->size += (*ptr)->size; - - arg->alignment = (arg->alignment > (*ptr)->alignment) ? - arg->alignment : (*ptr)->alignment; - - ptr++; - } - - if (arg->size == 0) - return FFI_BAD_TYPEDEF; - else - return FFI_OK; - - /*@=usedef@*/ -} - -/* Perform machine independent ffi_cif preparation, then call - machine dependent routine. */ - -ffi_status ffi_prep_cif(/*@out@*/ /*@partial@*/ ffi_cif *cif, - ffi_abi abi, unsigned int nargs, - /*@dependent@*/ /*@out@*/ /*@partial@*/ ffi_type *rtype, - /*@dependent@*/ ffi_type **atypes) -{ - unsigned bytes = 0; - unsigned int i; - ffi_type **ptr; - - FFI_ASSERT(cif != NULL); - FFI_ASSERT((abi > FFI_FIRST_ABI) && (abi < FFI_LAST_ABI)); - - cif->abi = abi; - cif->arg_types = atypes; - cif->nargs = nargs; - cif->rtype = rtype; - - cif->flags = 0; - - /* Initialize the return type if necessary */ - /*@-usedef@*/ - if ((cif->rtype->size == 0) && (initialize_aggregate(cif->rtype) != FFI_OK)) - return FFI_BAD_TYPEDEF; - /*@=usedef@*/ - - /* Perform a sanity check on the return type */ - FFI_ASSERT(ffi_type_test(cif->rtype)); - -#ifndef M68K - /* Make space for the return structure pointer */ - if (cif->rtype->type == FFI_TYPE_STRUCT -#ifdef SPARC - && (cif->abi != FFI_V9 || cif->rtype->size > 32) -#endif - ) - bytes = STACK_ARG_SIZE(sizeof(void*)); -#endif - - for (ptr = cif->arg_types, i = cif->nargs; i > 0; i--, ptr++) - { - /* Perform a sanity check on the argument type */ - FFI_ASSERT(ffi_type_test(*ptr)); - - /* Initialize any uninitialized aggregate type definitions */ - if (((*ptr)->size == 0) && (initialize_aggregate((*ptr)) != FFI_OK)) - return FFI_BAD_TYPEDEF; - -#ifdef SPARC - if (((*ptr)->type == FFI_TYPE_STRUCT - && ((*ptr)->size > 16 || cif->abi != FFI_V9)) - || ((*ptr)->type == FFI_TYPE_LONGDOUBLE - && cif->abi != FFI_V9)) - bytes += sizeof(void*); - else -#endif - { - /* Add any padding if necessary */ - if (((*ptr)->alignment - 1) & bytes) - bytes = ALIGN(bytes, (*ptr)->alignment); - - bytes += STACK_ARG_SIZE((*ptr)->size); - } - } - - cif->bytes = bytes; - - /* Perform machine dependent cif processing */ - return ffi_prep_cif_machdep(cif); -} |