Special JIT support for FFI

Zend/zend.c

@@ -97,6 +97,15 @@ ZEND_API void (*zend_post_shutdown_cb)(void) = NULL;
 ZEND_ATTRIBUTE_NONNULL ZEND_API zend_result (*zend_random_bytes)(void *bytes, size_t size, char *errstr, size_t errstr_size) = NULL;
 ZEND_ATTRIBUTE_NONNULL ZEND_API void (*zend_random_bytes_insecure)(zend_random_bytes_insecure_state *state, void *bytes, size_t size) = NULL;
 
+ZEND_API zend_class_entry *zend_ffi_ce = NULL;
+ZEND_API zend_class_entry *zend_ffi_cdata_ce = NULL;
+ZEND_API zend_ffi_cdata* (*zend_ffi_cdata_create)(void *ptr, zend_ffi_type *type) = NULL;
+ZEND_API zend_ffi_dcl*   (*zend_ffi_cache_type_get)(zend_string *str, void *context) = NULL;
+ZEND_API zend_ffi_dcl*   (*zend_ffi_cache_type_add)(zend_string *str, zend_ffi_dcl *dcl, void *context) = NULL;
+ZEND_API zend_ffi_scope* (*zend_ffi_cache_scope_get)(zend_string *str) = NULL;
+ZEND_API zend_ffi_scope* (*zend_ffi_cache_scope_add)(zend_string *str, zend_ffi_scope *scope) = NULL;
+ZEND_API void            (*zend_ffi_type_print)(FILE *f, const zend_ffi_type *type) = NULL;
+
 /* This callback must be signal handler safe! */
 void (*zend_on_timeout)(int seconds);
 

Zend/zend.h

@@ -405,6 +405,22 @@ ZEND_API ZEND_COLD ZEND_NORETURN void zend_strerror_noreturn(int type, int errn,
 extern ZEND_API zend_class_entry *zend_standard_class_def;
 extern ZEND_API zend_utility_values zend_uv;
 
+/* FFI/OPCache interopability API */
+extern ZEND_API zend_class_entry *zend_ffi_ce;
+extern ZEND_API zend_class_entry *zend_ffi_cdata_ce;
+
+typedef struct _zend_ffi_dcl   zend_ffi_dcl;
+typedef struct _zend_ffi_scope zend_ffi_scope;
+typedef struct _zend_ffi_cdata zend_ffi_cdata;
+typedef struct _zend_ffi_type  zend_ffi_type;
+
+ZEND_API extern zend_ffi_cdata* (*zend_ffi_cdata_create)(void *ptr, zend_ffi_type *type);
+ZEND_API extern zend_ffi_dcl*   (*zend_ffi_cache_type_get)(zend_string *str, void *context);
+ZEND_API extern zend_ffi_dcl*   (*zend_ffi_cache_type_add)(zend_string *str, zend_ffi_dcl *dcl, void *context);
+ZEND_API extern zend_ffi_scope* (*zend_ffi_cache_scope_get)(zend_string *str);
+ZEND_API extern zend_ffi_scope* (*zend_ffi_cache_scope_add)(zend_string *str, zend_ffi_scope *scope);
+ZEND_API extern void            (*zend_ffi_type_print)(FILE *f, const zend_ffi_type *type);
+
 /* If DTrace is available and enabled */
 extern ZEND_API bool zend_dtrace_enabled;
 END_EXTERN_C()

Zend/zend_types.h

@@ -818,6 +818,8 @@ static zend_always_inline uint32_t zval_gc_info(uint32_t gc_type_info) {
 #define IS_STR_PERSISTENT			GC_PERSISTENT /* allocated using malloc */
 #define IS_STR_PERMANENT        	(1<<8)        /* relives request boundary */
 #define IS_STR_VALID_UTF8           (1<<9)        /* valid UTF-8 according to PCRE */
+#define IS_STR_FFI_TYPE             (1<<10)       /* intrned string associated with FFI type */
+#define IS_STR_FFI_SCOPE            (1<<11)       /* intrned string associated with FFI declaration object */
 
 /* array flags */
 #define IS_ARRAY_IMMUTABLE			GC_IMMUTABLE