static inline ffi_type *psi_ffi_decl_arg_type(struct psi_decl_arg *darg);
-struct psi_ffi_context {
- ffi_cif signature;
- ffi_type *params[2];
-};
-
-struct psi_ffi_call {
- struct psi_context *context;
- union {
- struct {
- struct psi_impl *impl;
- struct psi_call_frame *frame;
- } fn;
- struct {
- struct psi_let_exp *let_exp;
- struct psi_ffi_call *impl_call;
- } cb;
- } impl;
- void *code;
- ffi_closure *closure;
- ffi_cif signature;
- ffi_type *params[1]; /* [type1, type2, ... ] */
-};
-
-static void psi_ffi_handler(ffi_cif *sig, void *result, void **args, void *data)
-{
- struct psi_ffi_call *call = data;
-
- psi_context_call(call->context, *(zend_execute_data **)args[0], *(zval **)args[1], call->impl.fn.impl);
-}
-
-static void psi_ffi_callback(ffi_cif *sig, void *result, void **args, void *data)
-{
- struct psi_ffi_call *call = data, *impl_call = call->impl.cb.impl_call;
-
- if (impl_call->impl.fn.frame) {
- struct psi_call_frame_callback cbdata;
-
- cbdata.cb = call->impl.cb.let_exp;
- cbdata.argc = sig->nargs;
- cbdata.argv = args;
- cbdata.rval = result;
-
- psi_call_frame_do_callback(impl_call->impl.fn.frame, &cbdata);
- } else {
- assert(0);
- }
-}
-
-static inline ffi_abi psi_ffi_abi(const char *convention) {
- if (FFI_LAST_ABI - 2 != FFI_FIRST_ABI) {
-#ifdef HAVE_FFI_STDCALL
- if (!strcasecmp(convention, "stdcall")) {
- return FFI_STDCALL;
- }
-#endif
-#ifdef HAVE_FFI_FASTCALL
- if (!strcasecmp(convention, "fastcall")) {
- return FFI_FASTCALL;
- }
-#endif
- }
- return FFI_DEFAULT_ABI;
-}
-
-static inline struct psi_ffi_call *psi_ffi_call_alloc(struct psi_context *C, struct psi_decl *decl) {
- int rc;
- size_t i, c = psi_plist_count(decl->args);
- struct psi_ffi_call *call = calloc(1, sizeof(*call) + 2 * c * sizeof(void *));
- struct psi_decl_arg *arg;
-
- decl->info = call;
- call->context = C;
-
- for (i = 0; psi_plist_get(decl->args, i, &arg); ++i) {
- call->params[i] = psi_ffi_decl_arg_type(arg);
- }
- call->params[c] = NULL;
-
- rc = ffi_prep_cif(&call->signature, psi_ffi_abi(decl->abi->convention),
- c, psi_ffi_decl_arg_type(decl->func), call->params);
- assert(FFI_OK == rc);
-
- return call;
-}
-
-static inline ffi_status psi_ffi_call_init_closure(struct psi_context *C, struct psi_ffi_call *call, struct psi_impl *impl) {
- struct psi_ffi_context *context = C->context;
-
- call->impl.fn.impl = impl;
- return psi_ffi_prep_closure(&call->closure, &call->code, &context->signature, psi_ffi_handler, call);
-}
-
-static inline ffi_status psi_ffi_call_init_callback_closure(struct psi_context *C,
- struct psi_ffi_call *call, struct psi_ffi_call *impl_call,
- struct psi_let_exp *cb) {
- call->impl.cb.let_exp = cb;
- call->impl.cb.impl_call = impl_call;
- return psi_ffi_prep_closure(&call->closure, &call->code, &call->signature, psi_ffi_callback, call);
-}
-
-static inline void psi_ffi_call_free(struct psi_ffi_call *call) {
- if (call->closure) {
- psi_ffi_closure_free(call->closure);
- }
- free(call);
-}
-
static inline ffi_type *psi_ffi_token_type(token_t t) {
switch (t) {
default:
maxalign = type->alignment;
}
- assert(type->size == darg->layout->len);
+ assert(type->size <= darg->layout->len);
if ((padding = psi_offset_padding(darg->layout->pos - offset, type->alignment))) {
if (nels + padding + 1 > argc) {
argc += padding;
}
}
+static inline ffi_abi psi_ffi_abi(const char *convention) {
+ if (FFI_LAST_ABI - 2 != FFI_FIRST_ABI) {
+#ifdef HAVE_FFI_STDCALL
+ if (!strcasecmp(convention, "stdcall")) {
+ return FFI_STDCALL;
+ }
+#endif
+#ifdef HAVE_FFI_FASTCALL
+ if (!strcasecmp(convention, "fastcall")) {
+ return FFI_FASTCALL;
+ }
+#endif
+ }
+ return FFI_DEFAULT_ABI;
+}
+
+struct psi_ffi_context {
+ ffi_cif signature;
+ ffi_type *params[2];
+};
-static inline struct psi_ffi_context *psi_ffi_context_init(struct psi_ffi_context *L) {
- ffi_status rc;
+struct psi_ffi_impl_info {
+ struct psi_context *context;
+ struct psi_call_frame *frame;
- if (!L) {
- L = malloc(sizeof(*L));
- }
- memset(L, 0, sizeof(*L));
+ void *code;
+ ffi_closure *closure;
+};
- L->params[0] = &ffi_type_pointer;
- L->params[1] = &ffi_type_pointer;
- rc = ffi_prep_cif(&L->signature, FFI_DEFAULT_ABI, 2, &ffi_type_void, L->params);
- assert(rc == FFI_OK);
+struct psi_ffi_callback_info {
+ struct psi_ffi_impl_info *impl_info;
+ struct psi_let_exp *let_exp;
- return L;
+ void *code;
+ ffi_closure *closure;
+};
+
+struct psi_ffi_decl_info {
+ ffi_cif signature;
+ ffi_type *params[1];
+};
+
+static inline struct psi_ffi_decl_info *psi_ffi_decl_init(struct psi_decl *decl) {
+ if (!decl->info) {
+ int rc;
+ size_t i, c = psi_plist_count(decl->args);
+ struct psi_decl_arg *arg;
+ struct psi_ffi_decl_info *info = calloc(1, sizeof(*info) + 2 * c * sizeof(void *));
+
+ for (i = 0; psi_plist_get(decl->args, i, &arg); ++i) {
+ info->params[i] = psi_ffi_decl_arg_type(arg);
+ }
+ info->params[c] = NULL;
+
+ rc = ffi_prep_cif(&info->signature, psi_ffi_abi(decl->abi->convention),
+ c, psi_ffi_decl_arg_type(decl->func), info->params);
+
+ if (FFI_OK != rc) {
+ free(info);
+ } else {
+ decl->info = info;
+ }
+ }
+
+ return decl->info;
}
-static inline void psi_ffi_context_free(struct psi_ffi_context **L) {
- if (*L) {
- free(*L);
- *L = NULL;
+static inline void psi_ffi_decl_dtor(struct psi_decl *decl) {
+ if (decl->info) {
+ free(decl->info);
+ decl->info = NULL;
}
}
-static void psi_ffi_init(struct psi_context *C)
+static void psi_ffi_handler(ffi_cif *sig, void *result, void **args, void *data)
{
- C->context = psi_ffi_context_init(NULL);
+ struct psi_impl *impl = data;
+ struct psi_ffi_impl_info *info = impl->info;
+
+ psi_context_call(info->context, *(zend_execute_data **)args[0], *(zval **)args[1], impl);
}
-static inline void psi_ffi_destroy_callbacks(struct psi_context *C, struct psi_let_exp *let_exp) {
+static void psi_ffi_callback(ffi_cif *sig, void *result, void **args, void *data)
+{
+ struct psi_ffi_callback_info *cb_info = data;
+ struct psi_call_frame_callback cb_data;
+
+ assert(cb_info->impl_info->frame);
+
+ cb_data.cb = cb_info->let_exp;
+ cb_data.argc = sig->nargs;
+ cb_data.argv = args;
+ cb_data.rval = result;
+
+ psi_call_frame_do_callback(cb_info->impl_info->frame, &cb_data);
+}
+
+static inline void psi_ffi_callback_init(struct psi_ffi_impl_info *impl_info,
+ struct psi_let_exp *let_exp) {
+ struct psi_ffi_callback_info *cb_info;
+ struct psi_ffi_decl_info *decl_info;
struct psi_let_callback *cb;
struct psi_let_func *fn = NULL;
+ ffi_status rc;
switch (let_exp->kind) {
case PSI_LET_CALLBACK:
cb = let_exp->data.callback;
+ if (cb->decl->info) {
+ decl_info = cb->decl->info;
+ } else {
+ decl_info = psi_ffi_decl_init(cb->decl);
+ }
+
+ cb_info = calloc(1, sizeof(*cb_info));
+ cb_info->impl_info = impl_info;
+ cb_info->let_exp = let_exp;
+ rc = psi_ffi_prep_closure(&cb_info->closure, &cb_info->code,
+ &decl_info->signature, psi_ffi_callback, cb_info);
- if (cb->decl && cb->decl->info) {
- psi_ffi_call_free(cb->decl->info);
+ if (FFI_OK != rc) {
+ free(cb_info);
+ break;
}
+ cb->info = cb_info;
+
+ assert(!cb->decl->sym);
+ cb->decl->sym = cb_info->code;
fn = cb->func;
/* no break */
+
case PSI_LET_FUNC:
if (!fn) {
fn = let_exp->data.func;
}
-
if (fn->inner) {
size_t i = 0;
- struct psi_let_exp *cb;
+ struct psi_let_exp *inner_let;
- while (psi_plist_get(fn->inner, i++, &cb)) {
- psi_ffi_destroy_callbacks(C, cb);
+ while (psi_plist_get(fn->inner, i++, &inner_let)) {
+ psi_ffi_callback_init(impl_info, inner_let);
}
}
break;
}
}
-static void psi_ffi_dtor(struct psi_context *C)
-{
- if (C->decls) {
- size_t i = 0;
- struct psi_decl *decl;
-
- while (psi_plist_get(C->decls, i++, &decl)) {
- if (decl->info) {
- psi_ffi_call_free(decl->info);
- }
- }
-
- }
- if (C->impls) {
- size_t i = 0;
- struct psi_impl *impl;
-
- while (psi_plist_get(C->impls, i++, &impl)) {
- size_t j = 0;
- struct psi_let_stmt *let;
-
- while (psi_plist_get(impl->stmts.let, j++, &let)) {
- psi_ffi_destroy_callbacks(C, let->exp);
- }
- }
- }
- psi_ffi_context_free((void *) &C->context);
-}
-
-static inline void psi_ffi_compile_callbacks(struct psi_context *C,
- struct psi_ffi_call *impl_call, struct psi_let_exp *let_exp) {
- struct psi_ffi_call *call;
+static inline void psi_ffi_callback_dtor(struct psi_let_exp *let_exp) {
struct psi_let_callback *cb;
struct psi_let_func *fn = NULL;
switch (let_exp->kind) {
case PSI_LET_CALLBACK:
cb = let_exp->data.callback;
- if ((call = psi_ffi_call_alloc(C, cb->decl))) {
- if (FFI_OK != psi_ffi_call_init_callback_closure(C, call, impl_call, let_exp)) {
- psi_ffi_call_free(call);
- break;
- }
- cb->decl->sym = call->code;
+ psi_ffi_decl_dtor(cb->decl);
+
+ if (cb->info) {
+ struct psi_ffi_callback_info *info = cb->info;
+
+ if (info->closure) {
+ psi_ffi_closure_free(info->closure);
+ }
+ free(info);
+ cb->info = NULL;
}
fn = cb->func;
/* no break */
if (!fn) {
fn = let_exp->data.func;
}
+
if (fn->inner) {
size_t i = 0;
- struct psi_let_exp *inner_let;
+ struct psi_let_exp *cb;
- while (psi_plist_get(fn->inner, i++, &inner_let)) {
- psi_ffi_compile_callbacks(C, impl_call, inner_let);
+ while (psi_plist_get(fn->inner, i++, &cb)) {
+ psi_ffi_callback_dtor(cb);
}
}
break;
}
}
+static inline struct psi_ffi_impl_info *psi_ffi_impl_init(struct psi_impl *impl,
+ struct psi_context *C) {
+ struct psi_ffi_context *context = C->context;
+ struct psi_ffi_impl_info *info = calloc(1, sizeof(*info));
+ struct psi_let_stmt *let;
+ ffi_status rc;
+ size_t l = 0;
+
+ info->context = C;
+
+ rc = psi_ffi_prep_closure(&info->closure, &info->code,
+ &context->signature, psi_ffi_handler, impl);
+
+ if (FFI_OK != rc) {
+ free(info);
+ return NULL;
+ }
+
+ while (psi_plist_get(impl->stmts.let, l++, &let)) {
+ psi_ffi_callback_init(info, let->exp);
+ }
+
+ return impl->info = info;
+}
+
+static inline void psi_ffi_impl_dtor(struct psi_impl *impl) {
+ struct psi_ffi_impl_info *info = impl->info;
+ struct psi_let_stmt *let;
+ size_t j = 0;
+
+ while (psi_plist_get(impl->stmts.let, j++, &let)) {
+ psi_ffi_callback_dtor(let->exp);
+ }
+
+ if (info) {
+ if (info->closure) {
+ psi_ffi_closure_free(info->closure);
+ }
+ free(info);
+ impl->info = NULL;
+ }
+}
+
+
+static inline struct psi_ffi_context *psi_ffi_context_init(struct psi_ffi_context *L) {
+ ffi_status rc;
+
+ if (!L) {
+ L = malloc(sizeof(*L));
+ }
+ memset(L, 0, sizeof(*L));
+
+ L->params[0] = &ffi_type_pointer;
+ L->params[1] = &ffi_type_pointer;
+ rc = ffi_prep_cif(&L->signature, FFI_DEFAULT_ABI, 2, &ffi_type_void, L->params);
+ assert(rc == FFI_OK);
+
+ return L;
+}
+
+static inline void psi_ffi_context_free(struct psi_ffi_context **L) {
+ if (*L) {
+ free(*L);
+ *L = NULL;
+ }
+}
+
+static void psi_ffi_init(struct psi_context *C)
+{
+ C->context = psi_ffi_context_init(NULL);
+}
+
+static void psi_ffi_dtor(struct psi_context *C)
+{
+ if (C->decls) {
+ size_t i = 0;
+ struct psi_decl *decl;
+
+ while (psi_plist_get(C->decls, i++, &decl)) {
+ psi_ffi_decl_dtor(decl);
+ }
+
+ }
+ if (C->impls) {
+ size_t i = 0;
+ struct psi_impl *impl;
+
+ while (psi_plist_get(C->impls, i++, &impl)) {
+ psi_ffi_impl_dtor(impl);
+ }
+ }
+ psi_ffi_context_free((void *) &C->context);
+}
+
+
static zend_function_entry *psi_ffi_compile(struct psi_context *C)
{
size_t i = 0, d = 0, nf = 0;
zfe = calloc(psi_plist_count(C->impls) + 1, sizeof(*zfe));
while (psi_plist_get(C->impls, i++, &impl)) {
- size_t l = 0;
- struct psi_let_stmt *let;
- struct psi_ffi_call *call;
zend_function_entry *zf = &zfe[nf];
if (!impl->decl) {
continue;
}
- if (!(call = psi_ffi_call_alloc(C, impl->decl))) {
+ if (!psi_ffi_decl_init(impl->decl)) {
continue;
}
- if (FFI_OK != psi_ffi_call_init_closure(C, call, impl)) {
- psi_ffi_call_free(call);
+ if (!psi_ffi_impl_init(impl, C)) {
continue;
}
zf->fname = impl->func->name + (impl->func->name[0] == '\\');
- zf->handler = call->code;
+ zf->handler = ((struct psi_ffi_impl_info *) impl->info)->code;
zf->num_args = psi_plist_count(impl->func->args);
zf->arg_info = psi_internal_arginfo(impl);
++nf;
-
- while (psi_plist_get(impl->stmts.let, l++, &let)) {
- psi_ffi_compile_callbacks(C, call, let->exp);
- }
}
while (psi_plist_get(C->decls, d++, &decl)) {
continue;
}
- psi_ffi_call_alloc(C, decl);
+ psi_ffi_decl_init(decl);
}
return zfe;
}
-static void psi_ffi_call(struct psi_context *C, struct psi_call_frame *frame, struct psi_decl *decl, void *rval, void **args) {
- struct psi_ffi_call *info = decl->info;
- struct psi_call_frame *prev = info->impl.fn.frame;
-
- info->impl.fn.frame = frame;
- ffi_call(&info->signature, FFI_FN(decl->sym), rval, args);
- info->impl.fn.frame = prev;
+static inline void psi_ffi_call_ex(struct psi_call_frame *frame) {
+ struct psi_decl *decl = psi_call_frame_get_decl(frame);
+ struct psi_impl *impl = psi_call_frame_get_impl(frame);
+ struct psi_ffi_decl_info *decl_info = decl->info;
+ struct psi_ffi_impl_info *impl_info;
+ struct psi_call_frame *prev;
+
+ if (impl) {
+ impl_info = impl->info;
+ prev = impl_info->frame;
+ impl_info->frame = frame;
+ }
+ ffi_call(&decl_info->signature, FFI_FN(decl->sym),
+ psi_call_frame_get_rpointer(frame),
+ psi_call_frame_get_arg_pointers(frame));
+ if (impl) {
+ impl_info->frame = prev;
+ }
}
-static void psi_ffi_call_va(struct psi_context *C, struct psi_call_frame *frame, struct psi_decl *decl, void *rval, void **args,
- size_t va_count, void **va_types) {
+static inline void psi_ffi_call_va(struct psi_call_frame *frame) {
ffi_cif signature;
- struct psi_ffi_call *info = decl->info;
- struct psi_call_frame *prev = info->impl.fn.frame;
- size_t argc = psi_plist_count(decl->args);
- ffi_type **param_types = ecalloc(argc + va_count + 1, sizeof(ffi_type *));
-
- memcpy(param_types, info->params, argc * sizeof(ffi_type *));
- memcpy(param_types + argc, va_types, va_count * sizeof(ffi_type *));
-
- psi_ffi_prep_va(&info->signature, &signature, argc, va_count, param_types);
- info->impl.fn.frame = frame;
- ffi_call(&signature, FFI_FN(decl->sym), rval, args);
- info->impl.fn.frame = prev;
+ struct psi_call_frame *prev;
+ struct psi_decl *decl = psi_call_frame_get_decl(frame);
+ struct psi_impl *impl = psi_call_frame_get_impl(frame);
+ struct psi_ffi_decl_info *decl_info = decl->info;
+ struct psi_ffi_impl_info *impl_info;
+ size_t i, va_count, argc;
+ ffi_type **param_types;
+
+ argc = psi_plist_count(decl->args);
+ va_count = psi_call_frame_num_var_args(frame);
+ param_types = ecalloc(argc + va_count + 1, sizeof(ffi_type *));
+ memcpy(param_types, decl_info->params, argc * sizeof(ffi_type *));
+ for (i = 0; i < va_count; ++i) {
+ struct psi_call_frame_argument *frame_arg;
+
+ frame_arg = psi_call_frame_get_var_argument(frame, i);
+ param_types[argc + i] = psi_ffi_impl_type(frame_arg->va_type);
+ }
+
+ psi_ffi_prep_va(&decl_info->signature, &signature, argc, va_count, param_types);
+
+ if (impl) {
+ impl_info = impl->info;
+ prev = impl_info->frame;
+ impl_info->frame = frame;
+ }
+ ffi_call(&signature, FFI_FN(decl->sym),
+ psi_call_frame_get_rpointer(frame),
+ psi_call_frame_get_arg_pointers(frame));
+ if (impl) {
+ impl_info->frame = prev;
+ }
+
efree(param_types);
}
+static void psi_ffi_call(struct psi_call_frame *frame) {
+ if (psi_call_frame_num_var_args(frame)) {
+ psi_ffi_call_va(frame);
+ } else {
+ psi_ffi_call_ex(frame);
+ }
+}
+
static void *psi_ffi_query(struct psi_context *C, enum psi_context_query q, void *arg) {
switch (q) {
case PSI_CONTEXT_QUERY_SELF:
psi_ffi_dtor,
psi_ffi_compile,
psi_ffi_call,
- psi_ffi_call_va,
psi_ffi_query,
};