X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fext-psi;a=blobdiff_plain;f=src%2Flibjit.c;h=bc24c1a83dc9be2e2a314a761313727c2bd2740a;hp=5cc8525931c4f63999b3fe7640d80b4a14562cda;hb=574519ef5e3ab76f00253fad870afce7135638d1;hpb=762750b4a3f4e0471993849c4bd12965f6b62356

diff --git a/src/libjit.c b/src/libjit.c
index 5cc8525..bc24c1a 100644
--- a/src/libjit.c
+++ b/src/libjit.c
@@ -1,76 +1,52 @@
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
 #include "php.h"
-#include "libjit.h"
-#include "parser_proc.h"
-#include "parser.h"
 
-#include <jit/jit.h>
+#ifdef HAVE_LIBJIT
 
-static void init(PSI_Context *C)
-{
-	C->context = jit_context_create();
-}
-
-static void dtor(PSI_Context *C)
-{
-	jit_context_destroy(C->context);
-	C->context = NULL;
-}
+#include "php_psi.h"
+#include "libjit.h"
 
-static inline size_t impl_num_min_args(impl *impl) {
-	size_t i, n = impl->func->args->count;
+#include <jit/jit.h>
 
-	for (i = 0; i < impl->func->args->count; ++i) {
-		if (impl->func->args->args[i]->def) {
-			--n;
-		}
-	}
-	return n;
-}
+static void psi_jit_handler(jit_type_t _sig, void *result, void **_args, void *_data);
 
 static inline jit_abi_t psi_jit_abi(const char *convention) {
 	return jit_abi_cdecl;
 }
-static inline jit_type_t psi_jit_type(token_t t) {
+static inline jit_type_t psi_jit_token_type(token_t t) {
 	switch (t) {
-	default:
-		ZEND_ASSERT(0);
-		/* no break */
 	case PSI_T_VOID:
 		return jit_type_void;
-	case PSI_T_SINT8:
+	case PSI_T_INT8:
 		return jit_type_sbyte;
 	case PSI_T_UINT8:
 		return jit_type_ubyte;
-	case PSI_T_SINT16:
+	case PSI_T_INT16:
 		return jit_type_short;
 	case PSI_T_UINT16:
 		return jit_type_ushort;
-	case PSI_T_SINT32:
+	case PSI_T_INT32:
 		return jit_type_int;
 	case PSI_T_UINT32:
 		return jit_type_uint;
-	case PSI_T_SINT64:
+	case PSI_T_INT64:
 		return jit_type_long;
 	case PSI_T_UINT64:
 		return jit_type_ulong;
 	case PSI_T_BOOL:
 		return jit_type_sys_bool;
-	case PSI_T_CHAR:
-		return jit_type_sys_char;
-	case PSI_T_SHORT:
-		return jit_type_sys_short;
-	case PSI_T_INT:
-		return jit_type_sys_int;
-	case PSI_T_LONG:
-		return jit_type_sys_long;
 	case PSI_T_FLOAT:
 		return jit_type_sys_float;
 	case PSI_T_DOUBLE:
 		return jit_type_sys_double;
+	EMPTY_SWITCH_DEFAULT_CASE();
 	}
 }
 static inline jit_type_t psi_jit_decl_type(decl_type *type) {
-	return psi_jit_type(real_decl_type(type)->type);
+	return psi_jit_token_type(real_decl_type(type)->type);
 }
 static inline jit_type_t psi_jit_decl_arg_type(decl_arg *darg) {
 	if (darg->var->pointer_level) {
@@ -80,369 +56,177 @@ static inline jit_type_t psi_jit_decl_arg_type(decl_arg *darg) {
 	}
 }
 
-typedef struct PSI_ClosureData {
-	void *context;
-	impl *impl;
+typedef struct PSI_LibjitContext {
+	jit_context_t jit;
+	jit_type_t signature;
+	struct {
+		struct PSI_LibjitData **list;
+		size_t count;
+	} data;
+} PSI_LibjitContext;
+
+typedef struct PSI_LibjitCall {
+	void *closure;
 	jit_type_t signature;
-	jit_type_t params[1];
-} PSI_ClosureData;
+	jit_type_t params[1]; /* [type1, type2, NULL, arg1, arg2] ... */
+} PSI_LibjitCall;
 
-static inline PSI_ClosureData *PSI_ClosureDataAlloc(void *context, impl *impl) {
-	size_t i, c = impl->decl->args->count;
-	PSI_ClosureData *data = malloc(sizeof(*data) + (c ? c-1 : c) * sizeof(jit_type_t));
+typedef struct PSI_LibjitData {
+	PSI_LibjitContext *context;
+	impl *impl;
+	zend_internal_arg_info *arginfo;
+} PSI_LibjitData;
+
+static inline PSI_LibjitCall *PSI_LibjitCallAlloc(PSI_Context *C, decl *decl) {
+	size_t i, c = decl->args ? decl->args->count : 0;
+	PSI_LibjitCall *call = calloc(1, sizeof(*call) + 2 * c * sizeof(void *));
 
-	data->context = context;
-	data->impl = impl;
 	for (i = 0; i < c; ++i) {
-		data->params[i] = psi_jit_decl_arg_type(impl->decl->args->args[i]);
+		call->params[i] = psi_jit_decl_arg_type(decl->args->args[i]);
 	}
-	data->signature = jit_type_create_signature(
-		psi_jit_abi(data->impl->decl->abi->convention),
-		psi_jit_decl_arg_type(data->impl->decl->func),
-		data->params,
-		data->impl->decl->args->count,
-		1);
-	return data;
-}
+	call->params[c] = NULL;
 
+	decl->call.info = call;
+	decl->call.rval = decl->func->ptr;
+	decl->call.argc = c;
+	decl->call.args = (void **) &call->params[c+1];
 
-static inline impl_val *deref(unsigned level, impl_val *ret_val, decl_arg *darg) {
-	unsigned i;
-
-	for (i = level; i < darg->var->pointer_level; ++i && ret_val->ptr) {
-		ret_val = *(void **)ret_val;
-	}
-
-	return ret_val;
+	call->signature = jit_type_create_signature(
+			psi_jit_abi(decl->abi->convention),
+			psi_jit_decl_arg_type(decl->func),
+			call->params, c, 1);
+	return call;
 }
-static void to_int(impl_val *ret_val, decl_arg *func, zval *return_value) {
-	switch (real_decl_type(func->type)->type) {
-	case PSI_T_FLOAT:
-	case PSI_T_DOUBLE:
-		RETVAL_DOUBLE(deref(0, ret_val, func)->dval);
-		convert_to_long(return_value);
-		break;
-	default:
-		RETVAL_LONG(deref(0, ret_val, func)->lval);
-	}
+
+static inline void PSI_LibjitCallInitClosure(PSI_Context *C, PSI_LibjitCall *call, impl *impl) {
+	PSI_LibjitContext *context = C->context;
+	call->closure = jit_closure_create(context->jit, context->signature,
+			&psi_jit_handler, impl);
 }
-static void to_string(impl_val *ret_val, decl_arg *func, zval *return_value) {
-	switch (real_decl_type(func->type)->type) {
-	case PSI_T_CHAR:
-	case PSI_T_SINT8:
-	case PSI_T_UINT8:
-		if (!func->var->pointer_level) {
-			char chr = ret_val->lval;
-			RETVAL_STRINGL(&chr, 1);
-		} else {
-			ret_val = deref(1, ret_val, func);
-			if (ret_val->ptr) {
-				RETVAL_STRING(ret_val->ptr);
-			} else {
-				RETVAL_EMPTY_STRING();
-			}
-		}
-		break;
-	case PSI_T_FLOAT:
-	case PSI_T_DOUBLE:
-		RETVAL_DOUBLE(deref(0, ret_val, func)->dval);
-		convert_to_string(return_value);
-		break;
-	default:
-		RETVAL_LONG(deref(0, ret_val, func)->lval);
-		convert_to_string(return_value);
-		break;
-	}
+
+static inline void PSI_LibjitCallFree(PSI_LibjitCall *call) {
+	jit_type_free(call->signature);
 }
 
-static ZEND_RESULT_CODE handle_args(zend_execute_data *execute_data, impl *impl) {
-	impl_arg *iarg;
+static inline PSI_LibjitContext *PSI_LibjitContextInit(PSI_LibjitContext *L) {
+	jit_type_t params[] = {
+		jit_type_void_ptr,
+		jit_type_void_ptr
+	};
 
-	if (!impl->func->args->count) {
-		return zend_parse_parameters_none();
+	if (!L) {
+		L = malloc(sizeof(*L));
 	}
+	memset(L, 0, sizeof(*L));
 
-	ZEND_PARSE_PARAMETERS_START(impl_num_min_args(impl), impl->func->args->count)
-	nextarg:
-		iarg = impl->func->args->args[_i];
-		if (iarg->def) {
-			Z_PARAM_OPTIONAL;
-		}
-		if (PSI_T_BOOL == iarg->type->type) {
-			if (iarg->def) {
-				iarg->val.cval = iarg->def->type == PSI_T_TRUE ? 1 : 0;
-			}
-			Z_PARAM_BOOL(iarg->val.cval);
-		} else if (PSI_T_INT == iarg->type->type) {
-			if (iarg->def) {
-				iarg->val.lval = zend_atol(iarg->def->text, strlen(iarg->def->text));
-			}
-			Z_PARAM_LONG(iarg->val.lval);
-		} else if (PSI_T_FLOAT == iarg->type->type) {
-			if (iarg->def) {
-				iarg->val.dval = zend_strtod(iarg->def->text, NULL);
-			}
-			Z_PARAM_DOUBLE(iarg->val.dval);
-		} else if (PSI_T_STRING == iarg->type->type) {
-			struct {char *val; size_t len;} str;
-			if (iarg->def) {
-				/* FIXME */
-				str.len = strlen(iarg->def->text) - 2;
-				str.val = &iarg->def->text[1];
-			}
-			Z_PARAM_STR_EX(iarg->val.str, 1, 0);
-			if (iarg->val.str) {
-				zend_string_addref(iarg->val.str);
-			} else if (iarg->def) {
-				iarg->val.str = zend_string_init(str.val, str.len, 0);
-			}
-		} else {
-			error_code = ZPP_ERROR_FAILURE;
-			break;
-		}
-		iarg->_zv = _arg;
-		if (_i < _max_num_args) {
-			goto nextarg;
-		}
-	ZEND_PARSE_PARAMETERS_END_EX(return FAILURE);
+	L->jit = jit_context_create();
+	L->signature = jit_type_create_signature(jit_abi_cdecl, jit_type_void,
+			params, 2, 1);
 
-	return SUCCESS;
+	return L;
 }
 
-static impl_val *handle_let(decl_arg *darg, impl_arg *iarg) {
-	impl_val *arg_val = &darg->let->out;
-
-	if (!iarg) {
-		/* let foo = NULL */
-		memset(arg_val, 0, sizeof(*arg_val));
-		return arg_val;
-	}
-	switch (darg->let->val->func->type) {
-	case PSI_T_BOOLVAL:
-		if (iarg->type->type == PSI_T_BOOL) {
-			arg_val->cval = iarg->val.cval;
-		} else {
-			arg_val->cval = zend_is_true(iarg->_zv);
-		}
-		break;
-	case PSI_T_INTVAL:
-		if (iarg->type->type == PSI_T_INT) {
-			arg_val->lval = iarg->val.lval;
-		} else {
-			arg_val->lval = zval_get_long(iarg->_zv);
-		}
-		break;
-	case PSI_T_STRVAL:
-		if (iarg->type->type == PSI_T_STRING) {
-			arg_val->ptr = estrdup(iarg->val.str->val);
-			darg->let->mem = arg_val->ptr;
-			zend_string_release(iarg->val.str);
-		} else {
-			zend_string *zs = zval_get_string(iarg->_zv);
-			arg_val->ptr = estrdup(zs->val);
-			darg->let->mem = arg_val->ptr;
-			zend_string_release(zs);
-		}
-		break;
-	case PSI_T_STRLEN:
-		if (iarg->type->type == PSI_T_STRING) {
-			arg_val->lval = iarg->val.str->len;
-			zend_string_release(iarg->val.str);
-		} else {
-			zend_string *zs = zval_get_string(iarg->_zv);
-			arg_val->lval = zs->len;
-			zend_string_release(zs);
-		}
-		break;
-	EMPTY_SWITCH_DEFAULT_CASE();
-	}
-
-	return arg_val;
+static inline void PSI_LibjitContextDtor(PSI_LibjitContext *L) {
+	jit_type_free(L->signature);
+	jit_context_destroy(L->jit);
 }
 
-static void handle_rval(impl *impl, impl_val *ret_val, zval *return_value) {
-	switch (impl->stmts->ret.list[0]->func->type) {
-	case PSI_T_TO_STRING:
-		to_string(ret_val, impl->decl->func, return_value);
-		break;
-	case PSI_T_TO_INT:
-		to_int(ret_val, impl->decl->func, return_value);
-		break;
-	EMPTY_SWITCH_DEFAULT_CASE();
+static inline void PSI_LibjitContextFree(PSI_LibjitContext **L) {
+	if (*L) {
+		PSI_LibjitContextDtor(*L);
+		free(*L);
+		*L = NULL;
 	}
 }
 
-static void handle_set(zval *return_value, set_func *func, decl_vars *vars) {
-	impl_val *val = &vars->vars[0]->arg->let->ptr;
-
-	ZVAL_DEREF(return_value);
-	zval_dtor(return_value);
+static void psi_jit_handler(jit_type_t _sig, void *result, void **_args, void *_data)
+{
+	psi_call(*(zend_execute_data **)_args[0], *(zval **)_args[1], _data);
+}
 
-	switch (func->type) {
-	case PSI_T_TO_STRING:
-		to_string(val, vars->vars[0]->arg, return_value);
-		break;
-	EMPTY_SWITCH_DEFAULT_CASE();
-	}
+static void psi_jit_init(PSI_Context *C)
+{
+	C->context = PSI_LibjitContextInit(NULL);
 }
 
-static void handle_free(free_stmt *fre) {
-	size_t i;
+static void psi_jit_dtor(PSI_Context *C)
+{
+	if (C->decls) {
+		size_t i;
 
-	for (i = 0; i < fre->vars->count; ++i) {
-		decl_var *dvar = fre->vars->vars[i];
+		for (i = 0; i < C->decls->count; ++i) {
+			decl *decl = C->decls->list[i];
 
-		if (dvar->arg && dvar->arg->let->out.ptr) {
-			free(dvar->arg->let->out.ptr);
-			dvar->arg->let->out.ptr = NULL;
+			PSI_LibjitCallFree(decl->call.info);
 		}
 	}
+	PSI_LibjitContextFree((void *) &C->context);
 }
 
-static void handler(jit_type_t _sig, void *result, void **_args, void *_data)
+static zend_function_entry *psi_jit_compile(PSI_Context *C)
 {
-	PSI_ClosureData *data = _data;
-	size_t i;
-	void **arg_ptr = NULL, **arg_prm = NULL;
-	impl_val ret_val;
+	size_t i, j = 0;
+	zend_function_entry *zfe;
+	PSI_LibjitContext *ctx = C->context;
 
-	if (SUCCESS != handle_args(*(zend_execute_data **)_args[0], data->impl)) {
-		return;
+	if (!C->impls) {
+		return NULL;
 	}
 
-	if (data->impl->decl->args->count) {
-		arg_ptr = malloc(data->impl->decl->args->count * sizeof(*arg_ptr));
-		arg_prm = malloc(data->impl->decl->args->count * sizeof(*arg_prm));
+	zfe = calloc(C->impls->count + 1, sizeof(*zfe));
+	jit_context_build_start(ctx->jit);
 
-		for (i = 0; i < data->impl->decl->args->count; ++i) {
-			decl_arg *darg = data->impl->decl->args->args[i];
-			impl_arg *iarg = darg->let ? darg->let->arg : NULL;
-
-			arg_ptr[i] = handle_let(darg, iarg);
-			arg_prm[i] = darg->let->val->is_reference ? &arg_ptr[i] : arg_ptr[i];
+	for (i = 0; i < C->impls->count; ++i) {
+		zend_function_entry *zf = &zfe[j];
+		PSI_LibjitCall *call;
+		impl *impl = C->impls->list[i];
 
-			darg->let->ptr = arg_ptr[i];
+		if (!impl->decl) {
+			continue;
 		}
-	}
-
-	jit_apply(data->signature, data->impl->decl->dlptr, arg_prm, data->impl->decl->args->count, &ret_val);
-
-	handle_rval(data->impl, &ret_val, *(zval **)_args[1]);
 
-	for (i = 0; i < data->impl->stmts->set.count; ++i) {
-		set_stmt *set = data->impl->stmts->set.list[i];
+		call = PSI_LibjitCallAlloc(C, impl->decl);
+		PSI_LibjitCallInitClosure(C, call, impl);
 
-		handle_set(set->arg->_zv, set->val->func, set->val->vars);
+		zf->fname = impl->func->name + (impl->func->name[0] == '\\');
+		zf->num_args = impl->func->args->count;
+		zf->handler = call->closure;
+		zf->arg_info = psi_internal_arginfo(impl);
+		++j;
 	}
 
-	if (data->impl->decl->args->count) {
-		for (i = 0; i < data->impl->decl->args->count; ++i) {
-			decl_arg *darg = data->impl->decl->args->args[i];
+	for (i = 0; i < C->decls->count; ++i) {
+		decl *decl = C->decls->list[i];
 
-			if (darg->let && darg->let->mem) {
-				efree(darg->let->mem);
-				darg->let->mem = NULL;
-			}
+		if (decl->impl) {
+			continue;
 		}
-		free(arg_ptr);
-		free(arg_prm);
-	}
-
-	for (i = 0; i < data->impl->stmts->fre.count; ++i) {
-		free_stmt *fre = data->impl->stmts->fre.list[i];
-
-		handle_free(fre);
-	}
-}
 
-static inline int fill_type_hint(impl_type *type) {
-	switch (type->type) {
-	case PSI_T_BOOL:
-		return _IS_BOOL;
-	case PSI_T_INT:
-	case PSI_T_LONG:
-		return IS_LONG;
-	case PSI_T_FLOAT:
-	case PSI_T_DOUBLE:
-		return IS_DOUBLE;
-	case PSI_T_STRING:
-		return IS_STRING;
-	case PSI_T_ARRAY:
-		return IS_ARRAY;
-	default:
-		return 0;
+		PSI_LibjitCallAlloc(C, decl);
 	}
-}
-
-static inline zend_internal_arg_info *fill_arginfo(impl *impl) {
-	size_t i;
-	zend_internal_arg_info *aip;
-	zend_internal_function_info *fi;
 
-	aip = calloc(impl->func->args->count + 1, sizeof(*aip));
+	jit_context_build_end(ctx->jit);
 
-	fi = (zend_internal_function_info *) &aip[0];
-	fi->required_num_args = impl_num_min_args(impl);
-	fi->return_reference = impl->func->return_reference;
-	fi->type_hint = fill_type_hint(impl->func->return_type);
-
-	for (i = 0; i < impl->func->args->count; ++i) {
-		impl_arg *iarg = impl->func->args->args[i];
-		zend_internal_arg_info *ai = &aip[i+1];
-
-		ai->name = iarg->var->name;
-		ai->type_hint = fill_type_hint(iarg->type);
-		if (iarg->var->reference) {
-			ai->pass_by_reference = 1;
-		}
-		if (iarg->var->reference || (iarg->def && iarg->def->type == PSI_T_NULL)) {
-			ai->allow_null = 1;
-		}
-	}
-
-	return aip;
+	return zfe;
 }
 
-static zend_function_entry *compile(PSI_Context *C, PSI_Data *D)
-{
-	size_t i, j = 0;
-	jit_type_t signature, params[] = {
-		jit_type_void_ptr,
-		jit_type_void_ptr
-	};
-	zend_function_entry *zfe = calloc(D->impls->count + 1, sizeof(*zfe));
-
-	jit_context_build_start(C->context);
-
-	for (i = 0; i < D->impls->count; ++i) {
-		zend_function_entry *zf = &zfe[j];
-		PSI_ClosureData *data;
-
-		if (!D->impls->list[i]->decl) {
-			continue;
-		}
-
-		data = PSI_ClosureDataAlloc(C, D->impls->list[i]);
-		signature = jit_type_create_signature(jit_abi_cdecl, jit_type_void, params, 2, 1);
-		zf->fname = D->impls->list[i]->func->name + (D->impls->list[i]->func->name[0] == '\\');
-		zf->handler = jit_closure_create(C->context, signature, &handler, data);
-		zf->num_args = D->impls->list[i]->func->args->count;
-		zf->arg_info = fill_arginfo(D->impls->list[i]);
-		++j;
-	}
-
-	jit_context_build_end(C->context);
+static void psi_jit_call(PSI_Context *C, decl_callinfo *decl_call, impl_vararg *va) {
+	PSI_LibjitCall *call = decl_call->info;
 
-	return zfe;
+	jit_apply(call->signature, decl_call->sym, decl_call->args,
+			decl_call->argc, decl_call->rval);
 }
 
 static PSI_ContextOps ops = {
-	init,
-	dtor,
-	compile,
+	psi_jit_init,
+	psi_jit_dtor,
+	psi_jit_compile,
+	psi_jit_call,
 };
 
 PSI_ContextOps *PSI_Libjit(void)
 {
 	return &ops;
 }
+
+#endif /* HAVE_LIBJIT */