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Diffstat (limited to 'js/src/ctypes/libffi/src/types.c')
| -rw-r--r-- | js/src/ctypes/libffi/src/types.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/js/src/ctypes/libffi/src/types.c b/js/src/ctypes/libffi/src/types.c new file mode 100644 index 0000000000..9ec27f6cf3 --- /dev/null +++ b/js/src/ctypes/libffi/src/types.c @@ -0,0 +1,108 @@ +/* ----------------------------------------------------------------------- + types.c - Copyright (c) 1996, 1998 Red Hat, Inc. + + Predefined ffi_types needed by 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. + ----------------------------------------------------------------------- */ + +/* Hide the basic type definitions from the header file, so that we + can redefine them here as "const". */ +#define LIBFFI_HIDE_BASIC_TYPES + +#include <ffi.h> +#include <ffi_common.h> + +/* Type definitions */ + +#define FFI_TYPEDEF(name, type, id, maybe_const)\ +struct struct_align_##name { \ + char c; \ + type x; \ +}; \ +FFI_EXTERN \ +maybe_const ffi_type ffi_type_##name = { \ + sizeof(type), \ + offsetof(struct struct_align_##name, x), \ + id, NULL \ +} + +#define FFI_COMPLEX_TYPEDEF(name, type, maybe_const) \ +static ffi_type *ffi_elements_complex_##name [2] = { \ + (ffi_type *)(&ffi_type_##name), NULL \ +}; \ +struct struct_align_complex_##name { \ + char c; \ + _Complex type x; \ +}; \ +FFI_EXTERN \ +maybe_const ffi_type ffi_type_complex_##name = { \ + sizeof(_Complex type), \ + offsetof(struct struct_align_complex_##name, x), \ + FFI_TYPE_COMPLEX, \ + (ffi_type **)ffi_elements_complex_##name \ +} + +/* Size and alignment are fake here. They must not be 0. */ +FFI_EXTERN const ffi_type ffi_type_void = { + 1, 1, FFI_TYPE_VOID, NULL +}; + +FFI_TYPEDEF(uint8, UINT8, FFI_TYPE_UINT8, const); +FFI_TYPEDEF(sint8, SINT8, FFI_TYPE_SINT8, const); +FFI_TYPEDEF(uint16, UINT16, FFI_TYPE_UINT16, const); +FFI_TYPEDEF(sint16, SINT16, FFI_TYPE_SINT16, const); +FFI_TYPEDEF(uint32, UINT32, FFI_TYPE_UINT32, const); +FFI_TYPEDEF(sint32, SINT32, FFI_TYPE_SINT32, const); +FFI_TYPEDEF(uint64, UINT64, FFI_TYPE_UINT64, const); +FFI_TYPEDEF(sint64, SINT64, FFI_TYPE_SINT64, const); + +FFI_TYPEDEF(pointer, void*, FFI_TYPE_POINTER, const); + +FFI_TYPEDEF(float, float, FFI_TYPE_FLOAT, const); +FFI_TYPEDEF(double, double, FFI_TYPE_DOUBLE, const); + +#if !defined HAVE_LONG_DOUBLE_VARIANT || defined __alpha__ +#define FFI_LDBL_CONST const +#else +#define FFI_LDBL_CONST +#endif + +#ifdef __alpha__ +/* Even if we're not configured to default to 128-bit long double, + maintain binary compatibility, as -mlong-double-128 can be used + at any time. */ +/* Validate the hard-coded number below. */ +# if defined(__LONG_DOUBLE_128__) && FFI_TYPE_LONGDOUBLE != 4 +# error FFI_TYPE_LONGDOUBLE out of date +# endif +const ffi_type ffi_type_longdouble = { 16, 16, 4, NULL }; +#elif FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE +FFI_TYPEDEF(longdouble, long double, FFI_TYPE_LONGDOUBLE, FFI_LDBL_CONST); +#endif + +#ifdef FFI_TARGET_HAS_COMPLEX_TYPE +FFI_COMPLEX_TYPEDEF(float, float, const); +FFI_COMPLEX_TYPEDEF(double, double, const); +#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE +FFI_COMPLEX_TYPEDEF(longdouble, long double, FFI_LDBL_CONST); +#endif +#endif |