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authorMatthias Benkard <code@mail.matthias.benkard.de>2008-03-04 11:35:21 +0100
committerMatthias Benkard <code@mail.matthias.benkard.de>2008-03-04 11:35:21 +0100
commit17a4d31014692f959a2a73f4107f34d6f6763423 (patch)
tree48aa4ae73cd4e65e8789cfba2295fd73109011e2 /libffi.old/src/prep_cif.c
parentb7d24eda63e11ba4ab725f53ca42ee35ecf4643c (diff)
Remove the obsolete libffi version from the tree.
darcs-hash:d03cd1c65ed7114fa601e49a8d189e835479e93f
Diffstat (limited to 'libffi.old/src/prep_cif.c')
-rw-r--r--libffi.old/src/prep_cif.c172
1 files changed, 0 insertions, 172 deletions
diff --git a/libffi.old/src/prep_cif.c b/libffi.old/src/prep_cif.c
deleted file mode 100644
index 43326ad..0000000
--- a/libffi.old/src/prep_cif.c
+++ /dev/null
@@ -1,172 +0,0 @@
-/* -----------------------------------------------------------------------
- prep_cif.c - Copyright (c) 1996, 1998 Red Hat, Inc.
-
- 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 FFI_SIZEOF_ARG. */
-
-#define STACK_ARG_SIZE(x) ALIGN(x, FFI_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_VALID_TYPE(*ptr);
-
- arg->size = ALIGN(arg->size, (*ptr)->alignment);
- arg->size += (*ptr)->size;
-
- arg->alignment = (arg->alignment > (*ptr)->alignment) ?
- arg->alignment : (*ptr)->alignment;
-
- ptr++;
- }
-
- /* Structure size includes tail padding. This is important for
- structures that fit in one register on ABIs like the PowerPC64
- Linux ABI that right justify small structs in a register.
- It's also needed for nested structure layout, for example
- struct A { long a; char b; }; struct B { struct A x; char y; };
- should find y at an offset of 2*sizeof(long) and result in a
- total size of 3*sizeof(long). */
- arg->size = ALIGN (arg->size, arg->alignment);
-
- 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_DEFAULT_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_VALID_TYPE(cif->rtype);
-
- /* x86-64 and s390 stack space allocation is handled in prep_machdep. */
-#if !defined M68K && !defined __x86_64__ && !defined S390 && !defined PA
- /* 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
-#ifdef __i386__ /* FIXME: only on darwin */
- && (cif->rtype->size > 8)
-#endif
- )
- bytes = STACK_ARG_SIZE(sizeof(void*));
-#endif
-
- for (ptr = cif->arg_types, i = cif->nargs; i > 0; i--, ptr++)
- {
-
- /* Initialize any uninitialized aggregate type definitions */
- if (((*ptr)->size == 0) && (initialize_aggregate((*ptr)) != FFI_OK))
- return FFI_BAD_TYPEDEF;
-
- /* Perform a sanity check on the argument type, do this
- check after the initialization. */
- FFI_ASSERT_VALID_TYPE(*ptr);
-
-#ifdef X86_DARWIN
- {
- /* Add padding, but at most to 4 bytes */
- int align = (*ptr)->alignment;
- if (align>4) align = 4;
- if ((align - 1) & bytes)
- bytes = ALIGN(bytes, align);
- bytes += STACK_ARG_SIZE((*ptr)->size);
- }
-#elif !defined __x86_64__ && !defined S390 && !defined PA
-#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);
- }
-#endif
- }
-
- cif->bytes = bytes;
-
- /* Perform machine dependent cif processing */
- return ffi_prep_cif_machdep(cif);
-}