-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
+/*******************************************************************************
+ Copyright (c) 2016, Michael Wallner <mike@php.net>.
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *******************************************************************************/
+
+#include "php_psi_stdinc.h"
+#include "context.h"
+#include "call.h"
#include "php.h"
#ifdef HAVE_LIBJIT
-#include "php_psi.h"
-#include "libjit.h"
-
#include <jit/jit.h>
-static void psi_jit_handler(jit_type_t _sig, void *result, void **_args, void *_data);
+static inline jit_type_t psi_jit_decl_arg_type(struct psi_decl_arg *darg);
-static inline jit_abi_t psi_jit_abi(const char *convention) {
+static inline jit_abi_t psi_jit_abi(const char *convention)
+{
return jit_abi_cdecl;
}
-static inline jit_type_t psi_jit_token_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_INT8:
return jit_type_ulong;
case PSI_T_BOOL:
return jit_type_sys_bool;
+ case PSI_T_INT:
+ case PSI_T_ENUM:
+ 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();
+#ifdef HAVE_LONG_DOUBLE
+ case PSI_T_LONG_DOUBLE:
+ return jit_type_sys_long_double;
+#endif
+ case PSI_T_POINTER:
+ case PSI_T_FUNCTION:
+ return jit_type_void_ptr;
+ }
+}
+static inline jit_type_t psi_jit_impl_type(token_t impl_type)
+{
+ switch (impl_type) {
+ case PSI_T_BOOL:
+ return jit_type_sbyte;
+ case PSI_T_INT:
+ return jit_type_long;
+ case PSI_T_STRING:
+ return jit_type_void_ptr;
+ case PSI_T_FLOAT:
+ case PSI_T_DOUBLE:
+ return jit_type_sys_double;
+ EMPTY_SWITCH_DEFAULT_CASE()
+ ;
+ }
+ return NULL;
+}
+
+static void psi_jit_struct_type_dtor(void *type)
+{
+ jit_type_t strct = type;
+
+ jit_type_free(strct);
+}
+
+static size_t psi_jit_struct_type_pad(jit_type_t *els, size_t padding)
+{
+ size_t i;
+
+ for (i = 0; i < padding; ++i) {
+ *els++ = jit_type_copy(jit_type_sys_char);
+ }
+
+ return padding;
+}
+
+static unsigned psi_jit_struct_type_elements(struct psi_decl_struct *strct,
+ jit_type_t **fields)
+{
+ size_t i = 0, argc = psi_plist_count(strct->args), nels = 0, offset = 0,
+ maxalign;
+ struct psi_decl_arg *darg;
+
+ *fields = calloc(argc + 1, sizeof(*fields));
+
+ while (psi_plist_get(strct->args, i++, &darg)) {
+ jit_type_t type = jit_type_copy(psi_jit_decl_arg_type(darg));
+ size_t padding, alignment;
+
+ if ((alignment = jit_type_get_alignment(type)) > maxalign) {
+ maxalign = alignment;
+ }
+
+ assert(jit_type_get_size(type) == darg->layout->len);
+ if ((padding = psi_offset_padding(darg->layout->pos - offset, alignment))) {
+ if (nels + padding > argc) {
+ argc += padding;
+ *fields = realloc(*fields, (argc + 1) * sizeof(*fields));
+ }
+ psi_jit_struct_type_pad(&(*fields)[nels], padding);
+ nels += padding;
+ offset += padding;
+ }
+ assert(offset == darg->layout->pos);
+
+ offset = (offset + darg->layout->len + alignment - 1)
+ & ~(alignment - 1);
+ (*fields)[nels++] = type;
+ }
+
+ /* apply struct alignment padding */
+ offset = (offset + maxalign - 1) & ~(maxalign - 1);
+
+ ZEND_ASSERT(offset <= strct->size);
+ if (offset < strct->size) {
+ nels += psi_jit_struct_type_pad(&(*fields)[nels], strct->size - offset);
}
+
+ return nels;
}
-static inline jit_type_t psi_jit_decl_type(decl_type *type) {
- return psi_jit_token_type(real_decl_type(type)->type);
+static inline jit_type_t psi_jit_decl_type(struct psi_decl_type *type)
+{
+ struct psi_decl_type *real = psi_decl_type_get_real(type);
+
+ switch (real->type) {
+ case PSI_T_STRUCT:
+ if (!real->real.strct->engine.type) {
+ unsigned count;
+ jit_type_t strct, *fields = NULL;
+
+ count = psi_jit_struct_type_elements(real->real.strct, &fields);
+ strct = jit_type_create_struct(fields, count, 0);
+
+ real->real.strct->engine.type = strct;
+ real->real.strct->engine.dtor = psi_jit_struct_type_dtor;
+ }
+
+ return real->real.strct->engine.type;
+
+ case PSI_T_UNION:
+ {
+ struct psi_decl_arg *arg;
+ psi_plist_get(real->real.unn->args, 0, &arg);
+ return psi_jit_decl_arg_type(arg);
+ }
+
+ default:
+ return psi_jit_token_type(real->type);
+ }
}
-static inline jit_type_t psi_jit_decl_arg_type(decl_arg *darg) {
+static inline jit_type_t psi_jit_decl_arg_type(struct psi_decl_arg *darg)
+{
if (darg->var->pointer_level) {
return jit_type_void_ptr;
} else {
}
}
-typedef struct PSI_LibjitContext {
+struct psi_jit_context {
jit_context_t jit;
jit_type_t signature;
- struct {
- struct PSI_LibjitData **list;
- size_t count;
- } data;
-} PSI_LibjitContext;
+};
-typedef struct PSI_LibjitCall {
+struct psi_jit_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_jit_call *impl_call;
+ } cb;
+ } impl;
void *closure;
jit_type_t signature;
- jit_type_t params[1]; /* [type1, type2, NULL, arg1, arg2] ... */
-} PSI_LibjitCall;
+ void *params[1]; /* [type1, type2, ... ] */
+};
+
+static void psi_jit_handler(jit_type_t sig, void *result, void **args, void *data)
+{
+ struct psi_jit_call *call = data;
+
+ psi_context_call(call->context, *(zend_execute_data **)args[0], *(zval **) args[1], call->impl.fn.impl);
+}
+
+static void psi_jit_callback(jit_type_t sig, void *result, void **args,
+ void *data)
+{
+ struct psi_jit_call *call = data, *impl_call = call->impl.cb.impl_call;
+ struct psi_call_frame_callback cbdata;
-typedef struct PSI_LibjitData {
- PSI_LibjitContext *context;
- impl *impl;
- zend_internal_arg_info *arginfo;
-} PSI_LibjitData;
+ cbdata.cb = call->impl.cb.let_exp;
+ cbdata.argc = jit_type_num_params(sig);
+ cbdata.argv = args;
+ cbdata.rval = result;
-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 *));
+ psi_call_frame_do_callback(impl_call->impl.fn.frame, &cbdata);
+}
- for (i = 0; i < c; ++i) {
- call->params[i] = psi_jit_decl_arg_type(decl->args->args[i]);
+static inline struct psi_jit_call *psi_jit_call_alloc(struct psi_context *C,
+ struct psi_decl *decl)
+{
+ size_t i, c = psi_plist_count(decl->args);
+ struct psi_jit_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_jit_decl_arg_type(arg);
}
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];
-
call->signature = jit_type_create_signature(
psi_jit_abi(decl->abi->convention),
psi_jit_decl_arg_type(decl->func),
- call->params, c, 1);
+ (jit_type_t *) call->params,
+ c, 1);
+ assert(call->signature);
+
return call;
}
-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 inline void *psi_jit_call_init_closure(struct psi_context *C,
+ struct psi_jit_call *call, struct psi_impl *impl)
+{
+ struct psi_jit_context *context = C->context;
+
+ call->impl.fn.impl = impl;
+ return call->closure = jit_closure_create(context->jit, context->signature,
+ &psi_jit_handler, call);
}
-static inline void PSI_LibjitCallFree(PSI_LibjitCall *call) {
+static inline void *psi_jit_call_init_callback_closure(struct psi_context *C,
+ struct psi_jit_call *call, struct psi_jit_call *impl_call,
+ struct psi_let_exp *cb)
+{
+ struct psi_jit_context *context = C->context;
+
+ call->impl.cb.let_exp = cb;
+ call->impl.cb.impl_call = impl_call;
+
+ return call->closure = jit_closure_create(context->jit, call->signature,
+ &psi_jit_callback, call);
+}
+
+static inline void psi_jit_call_free(struct psi_jit_call *call)
+{
jit_type_free(call->signature);
+ free(call);
}
-static inline PSI_LibjitContext *PSI_LibjitContextInit(PSI_LibjitContext *L) {
- jit_type_t params[] = {
- jit_type_void_ptr,
- jit_type_void_ptr
- };
+static inline struct psi_jit_context *psi_jit_context_init(
+ struct psi_jit_context *L)
+{
+ jit_type_t params[] = {jit_type_void_ptr, jit_type_void_ptr};
if (!L) {
L = malloc(sizeof(*L));
return L;
}
-static inline void PSI_LibjitContextDtor(PSI_LibjitContext *L) {
+static inline void psi_jit_context_dtor(struct psi_jit_context *L)
+{
jit_type_free(L->signature);
jit_context_destroy(L->jit);
}
-static inline void PSI_LibjitContextFree(PSI_LibjitContext **L) {
+static inline void psi_jit_context_free(struct psi_jit_context **L)
+{
if (*L) {
- PSI_LibjitContextDtor(*L);
+ psi_jit_context_dtor(*L);
free(*L);
*L = NULL;
}
}
-static void psi_jit_handler(jit_type_t _sig, void *result, void **_args, void *_data)
+static void psi_jit_init(struct psi_context *C)
{
- psi_call(*(zend_execute_data **)_args[0], *(zval **)_args[1], _data);
+ C->context = psi_jit_context_init(NULL);
}
-static void psi_jit_init(PSI_Context *C)
+static inline void psi_jit_destroy_callbacks(struct psi_context *C,
+ struct psi_let_exp *let_exp)
{
- C->context = PSI_LibjitContextInit(NULL);
+ 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 (cb->decl && cb->decl->info) {
+ psi_jit_call_free(cb->decl->info);
+ }
+ 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 *inner_let;
+
+ while (psi_plist_get(fn->inner, i++, &inner_let)) {
+ psi_jit_destroy_callbacks(C, inner_let);
+ }
+ }
+ break;
+ default:
+ break;
+ }
}
-static void psi_jit_dtor(PSI_Context *C)
+static void psi_jit_dtor(struct psi_context *C)
{
if (C->decls) {
- size_t i;
+ size_t i = 0;
+ struct psi_decl *decl;
+
+ while (psi_plist_get(C->decls, i++, &decl)) {
+ if (decl->info) {
+ psi_jit_call_free(decl->info);
+ }
+ }
+ }
+ if (C->impls) {
+ size_t i = 0;
+ struct psi_impl *impl;
- for (i = 0; i < C->decls->count; ++i) {
- decl *decl = C->decls->list[i];
+ while (psi_plist_get(C->impls, i++, &impl)) {
+ size_t l = 0;
+ struct psi_let_stmt *let;
- PSI_LibjitCallFree(decl->call.info);
+ while (psi_plist_get(impl->stmts.let, l++, &let)) {
+ psi_jit_destroy_callbacks(C, let->exp);
+ }
}
}
- PSI_LibjitContextFree((void *) &C->context);
+ psi_jit_context_free((void *) &C->context);
}
-static zend_function_entry *psi_jit_compile(PSI_Context *C)
+static inline void psi_jit_compile_callbacks(struct psi_context *C,
+ struct psi_jit_call *impl_call, struct psi_let_exp *let_exp)
{
- size_t i, j = 0;
+ struct psi_jit_call *call;
+ 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_jit_call_alloc(C, cb->decl))) {
+ if (!psi_jit_call_init_callback_closure(C, call, impl_call, let_exp)) {
+ psi_jit_call_free(call);
+ break;
+ }
+
+ cb->decl->sym = call->closure;
+ }
+ 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 *inner_let;
+
+ while (psi_plist_get(fn->inner, i++, &inner_let)) {
+ psi_jit_compile_callbacks(C, impl_call, inner_let);
+ }
+ }
+ break;
+ default:
+ break;
+ }
+}
+
+static zend_function_entry *psi_jit_compile(struct psi_context *C)
+{
+ size_t i = 0, d = 0, nf = 0;
+ struct psi_impl *impl;
+ struct psi_decl *decl;
zend_function_entry *zfe;
- PSI_LibjitContext *ctx = C->context;
+ struct psi_jit_context *ctx = C->context;
if (!C->impls) {
return NULL;
}
- zfe = calloc(C->impls->count + 1, sizeof(*zfe));
+ zfe = calloc(psi_plist_count(C->impls) + 1, sizeof(*zfe));
jit_context_build_start(ctx->jit);
- for (i = 0; i < C->impls->count; ++i) {
- zend_function_entry *zf = &zfe[j];
- PSI_LibjitCall *call;
- impl *impl = C->impls->list[i];
+ while (psi_plist_get(C->impls, i++, &impl)) {
+ zend_function_entry *zf = &zfe[nf];
+ struct psi_jit_call *call;
+ size_t l = 0;
+ struct psi_let_stmt *let;
if (!impl->decl) {
continue;
}
-
- call = PSI_LibjitCallAlloc(C, impl->decl);
- PSI_LibjitCallInitClosure(C, call, impl);
+ if (!(call = psi_jit_call_alloc(C, impl->decl))) {
+ continue;
+ }
+ if (!psi_jit_call_init_closure(C, call, impl)) {
+ psi_jit_call_free(call);
+ continue;
+ }
zf->fname = impl->func->name + (impl->func->name[0] == '\\');
- zf->num_args = impl->func->args->count;
zf->handler = call->closure;
+ zf->num_args = psi_plist_count(impl->func->args);
zf->arg_info = psi_internal_arginfo(impl);
- ++j;
- }
+ ++nf;
- for (i = 0; i < C->decls->count; ++i) {
- decl *decl = C->decls->list[i];
+ while (psi_plist_get(impl->stmts.let, l++, &let)) {
+ psi_jit_compile_callbacks(C, call, let->exp);
+ }
+ }
- if (decl->impl) {
+ while (psi_plist_get(C->decls, d++, &decl)) {
+ if (decl->info) {
continue;
}
- PSI_LibjitCallAlloc(C, decl);
+ psi_jit_call_alloc(C, decl);
}
jit_context_build_end(ctx->jit);
return zfe;
}
-static void psi_jit_call(PSI_Context *C, decl_callinfo *decl_call, impl_vararg *va) {
- PSI_LibjitCall *call = decl_call->info;
+static void psi_jit_call(struct psi_context *C, struct psi_call_frame *frame,
+ struct psi_decl *decl, void *rval, void **args)
+{
+ struct psi_jit_call *call = decl->info;
+ struct psi_call_frame *prev = call->impl.fn.frame;
- jit_apply(call->signature, decl_call->sym, decl_call->args,
- decl_call->argc, decl_call->rval);
+ call->impl.fn.frame = frame;
+ jit_apply(call->signature, decl->sym, args, psi_plist_count(decl->args), rval);
+ call->impl.fn.frame = prev;
}
-static PSI_ContextOps ops = {
- psi_jit_init,
- psi_jit_dtor,
- psi_jit_compile,
- psi_jit_call,
-};
+static void psi_jit_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)
+{
+ struct psi_jit_call *info = decl->info;
+ struct psi_call_frame *prev = info->impl.fn.frame;
+ size_t argc = psi_plist_count(decl->args);
+ jit_type_t signature;
+ jit_type_t *param_types = ecalloc(argc + va_count + 1, sizeof(jit_type_t));
+
+ memcpy(param_types, info->params, argc * sizeof(jit_type_t));
+ memcpy(param_types + argc, va_types, va_count * sizeof(jit_type_t));
+
+ signature = jit_type_create_signature(jit_abi_vararg,
+ jit_type_get_return(info->signature), param_types, argc + va_count,
+ 1);
+ ZEND_ASSERT(signature);
+
+ info->impl.fn.frame = frame;
+ jit_apply(signature, decl->sym, args, argc, rval);
+ info->impl.fn.frame = prev;
+ jit_type_free(signature);
+ efree(param_types);
+}
+
+static void *psi_jit_query(struct psi_context *C, enum psi_context_query q,
+ void *arg)
+{
+ switch (q) {
+ case PSI_CONTEXT_QUERY_SELF:
+ return "jit";
+ case PSI_CONTEXT_QUERY_TYPE:
+ return psi_jit_impl_type(*(token_t *) arg);
+ }
+ return NULL;
+}
+
+static struct psi_context_ops ops = {psi_jit_init, psi_jit_dtor,
+ psi_jit_compile, psi_jit_call, psi_jit_call_va, psi_jit_query};
-PSI_ContextOps *PSI_Libjit(void)
+struct psi_context_ops *psi_libjit_ops(void)
{
return &ops;
}