diff options
Diffstat (limited to 'libffi/include/ffi_common.h')
| -rw-r--r-- | libffi/include/ffi_common.h | 50 |
1 files changed, 48 insertions, 2 deletions
diff --git a/libffi/include/ffi_common.h b/libffi/include/ffi_common.h index 37f5a9e..2bd31b0 100644 --- a/libffi/include/ffi_common.h +++ b/libffi/include/ffi_common.h @@ -5,6 +5,27 @@ Common internal definitions and macros. Only necessary for building libffi. + + 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 THE AUTHORS OR COPYRIGHT + HOLDERS 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 FFI_COMMON_H @@ -74,14 +95,39 @@ void ffi_type_test(ffi_type *a, char *file, int line); #define FFI_ASSERT_VALID_TYPE(x) #endif -#define ALIGN(v, a) (((((size_t) (v))-1) | ((a)-1))+1) -#define ALIGN_DOWN(v, a) (((size_t) (v)) & -a) +/* v cast to size_t and aligned up to a multiple of a */ +#define FFI_ALIGN(v, a) (((((size_t) (v))-1) | ((a)-1))+1) +/* v cast to size_t and aligned down to a multiple of a */ +#define FFI_ALIGN_DOWN(v, a) (((size_t) (v)) & -a) /* Perform machine dependent cif processing */ ffi_status ffi_prep_cif_machdep(ffi_cif *cif); ffi_status ffi_prep_cif_machdep_var(ffi_cif *cif, unsigned int nfixedargs, unsigned int ntotalargs); + +#if HAVE_LONG_DOUBLE_VARIANT +/* Used to adjust size/alignment of ffi types. */ +void ffi_prep_types (ffi_abi abi); +#endif + +/* Used internally, but overridden by some architectures */ +ffi_status ffi_prep_cif_core(ffi_cif *cif, + ffi_abi abi, + unsigned int isvariadic, + unsigned int nfixedargs, + unsigned int ntotalargs, + ffi_type *rtype, + ffi_type **atypes); + +/* Translate a data pointer to a code pointer. Needed for closures on + some targets. */ +void *ffi_data_to_code_pointer (void *data) FFI_HIDDEN; + +/* The arch code calls this to determine if a given closure has a + static trampoline. */ +int ffi_tramp_is_present (void *closure) FFI_HIDDEN; + /* Extended cif, used in callback from assembly routine */ typedef struct { |