From 14969a8b4386d7c38e90775e1c57886c9bf3839e Mon Sep 17 00:00:00 2001 From: Michael Wallner Date: Tue, 27 Nov 2018 20:27:15 +0100 Subject: [PATCH] more verbose context ops --- TODO | 2 + m4/psi/psi.m4 | 1 + src/context.c | 398 +++++++++++++++- src/context.h | 47 +- src/libffi.c | 860 +++++++++++----------------------- src/libffi_compat.h | 108 +++++ src/libjit.c | 701 ++++++++++++--------------- src/types/decl.h | 1 + src/types/decl_arg.h | 4 + src/types/decl_struct.c | 3 - src/types/decl_struct.h | 4 - src/types/decl_type.c | 1 + tests/parser/validate003.phpt | 8 + 13 files changed, 1121 insertions(+), 1017 deletions(-) create mode 100644 src/libffi_compat.h diff --git a/TODO b/TODO index e029536..ae6f541 100644 --- a/TODO +++ b/TODO @@ -18,3 +18,5 @@ * int128 * very small real numbers * cache tokens of files and copy tokens if used for further processing + +* optimized inlines like htonl diff --git a/m4/psi/psi.m4 b/m4/psi/psi.m4 index bb8254b..2ad2499 100644 --- a/m4/psi/psi.m4 +++ b/m4/psi/psi.m4 @@ -50,6 +50,7 @@ AC_DEFUN(PSI_CONFIG_INIT, [ if test "$PHP_PSI_MAINTAINER_MODE" = "yes"; then PSI_DEPS=true PHP_SUBST(PSI_DEPS) + EXTRA_CFLAGS="-Wall -Wextra $EXTRA_CFLAGS" else PSI_DEPS=false fi diff --git a/src/context.c b/src/context.c index 9b5730e..ecccdb0 100644 --- a/src/context.c +++ b/src/context.c @@ -78,7 +78,7 @@ PHP_MINIT_FUNCTION(psi_context) } PSI_G(ops) = ops; - if (ops->load && SUCCESS != ops->load()) { + if (ops->load && !ops->load()) { return FAILURE; } @@ -122,13 +122,10 @@ struct psi_context *psi_context_init(struct psi_context *C, struct psi_context_o psi_data_ctor(PSI_DATA(C), error, flags); C->ops = ops; - if (ops->init) { - ops->init(C); + if (ops->init && !ops->init(C)) { + return NULL; } - assert(ops->call != NULL); - assert(ops->compile != NULL); - return C; } @@ -210,17 +207,9 @@ void psi_context_build(struct psi_context *C, const char *paths) ptr = sep + 1; } while (sep); - - if (psi_context_compile(C)) { - /* zend_register_functions depends on EG(current_module) pointing into module */ - EG(current_module) = zend_hash_str_find_ptr(&module_registry, "psi", sizeof("psi") - 1); - if (SUCCESS != zend_register_functions(NULL, C->closures, NULL, MODULE_PERSISTENT)) { - C->error(PSI_DATA(C), NULL, PSI_WARNING, "Failed to register functions!"); - } - EG(current_module) = NULL; - } - free(cpy); + + psi_context_compile(C); } #include @@ -240,7 +229,7 @@ static inline bool prefix_match(zend_string *a, zend_string *b) return true; } -zend_function_entry *psi_context_compile(struct psi_context *C) +static inline void psi_context_consts_init(struct psi_context *C) { zend_constant zc; @@ -262,7 +251,6 @@ zend_function_entry *psi_context_compile(struct psi_context *C) zend_register_constant(&zc); } } - if (C->enums) { size_t i = 0; struct psi_decl_enum *e; @@ -294,10 +282,327 @@ zend_function_entry *psi_context_compile(struct psi_context *C) } } } +} + +static inline void psi_context_extvars_init(struct psi_context *C) +{ + if (C->vars) { + size_t v = 0; + struct psi_decl_extvar *evar; - return C->closures = C->ops->compile(C); + while (psi_plist_get(C->vars, v++, &evar)) { + C->ops->extvar_init(C, evar); + } + } } +static inline void psi_context_callback_init(struct psi_context *C, + struct psi_let_exp *let_exp, struct psi_impl *impl) +{ + struct psi_let_func *fn = let_exp->data.func; + + switch (let_exp->kind) { + case PSI_LET_CALLBACK: + C->ops->cb_init(C, let_exp, impl); + /* override fn */ + fn = let_exp->data.callback->func; + /* no break */ + case PSI_LET_FUNC: + if (fn->inner) { + size_t i = 0; + struct psi_let_exp *inner_let; + + while (psi_plist_get(fn->inner, i++, &inner_let)) { + psi_context_callback_init(C, inner_let, impl); + } + } + break; + default: + break; + } +} + +static inline void psi_context_callback_dtor(struct psi_context *C, + struct psi_let_exp *let_exp, struct psi_impl *impl) +{ + struct psi_let_func *fn = let_exp->data.func; + + switch (let_exp->kind) { + case PSI_LET_CALLBACK: + C->ops->cb_dtor(C, let_exp, impl); + /* override func */ + fn = let_exp->data.callback->func; + /* no break */ + case PSI_LET_FUNC: + if (fn->inner) { + size_t i = 0; + struct psi_let_exp *cb; + + while (psi_plist_get(fn->inner, i++, &cb)) { + psi_context_callback_dtor(C, cb, impl); + } + } + break; + default: + break; + } +} + +static inline void psi_context_impls_init(struct psi_context *C) +{ + size_t nf = 0; + zend_function_entry *zfe = NULL; + + if (C->impls) { + size_t i = 0; + struct psi_impl *impl; + + zfe = pecalloc(psi_plist_count(C->impls) + 1, sizeof(*zfe), 1); + + while (psi_plist_get(C->impls, i++, &impl)) { + zend_function_entry *zf = &zfe[nf]; + struct psi_let_stmt *let; + size_t l = 0; + + if (!impl->decl) { + continue; + } + if (!C->ops->decl_init(C, impl->decl)) { + continue; + } + if (!C->ops->impl_init(C, impl, &zf->handler)) { + continue; + } + while (psi_plist_get(impl->stmts.let, l++, &let)) { + psi_context_callback_init(C, let->exp, impl); + } + + zf->fname = impl->func->name->val + (impl->func->name->val[0] == '\\'); + zf->num_args = psi_plist_count(impl->func->args); + zf->arg_info = psi_internal_arginfo(impl); + ++nf; + } + } + + C->closures = zfe; +} + +static inline void psi_context_decls_init(struct psi_context *C) +{ + if (C->decls) { + size_t d = 0; + struct psi_decl *decl; + + while (psi_plist_get(C->decls, d++, &decl)) { + if (!decl->info) { + C->ops->decl_init(C, decl); + } + } + } +} + +struct psi_struct_type_data { + struct psi_plist *els; + size_t offset; + size_t max_align; +}; + +static inline void psi_struct_type_pad(struct psi_context *C, + struct psi_struct_type_data *data, size_t padding) +{ + void *ele = C->ops->typeof_decl(C, PSI_T_INT8); + + while (padding--) { + void *pad = C->ops->copyof_type(C, ele); + data->els = psi_plist_add(data->els, &pad); + } +} + +static inline void psi_struct_type_element(struct psi_context *C, + struct psi_struct_type_data *data, struct psi_decl_arg *darg) +{ + void *type, *copy; + size_t i; + struct psi_layout type_layout; + + if (darg->layout->pos) { + assert(data->offset <= darg->layout->pos); + psi_struct_type_pad(C, data, darg->layout->pos - data->offset); + data->offset = darg->layout->pos; + } + + type = psi_context_decl_arg_full_type(C, darg); + C->ops->layoutof_type(C, type, &type_layout); + + if (type_layout.pos > data->max_align) { + data->max_align = type_layout.pos; + } + + assert(type_layout.len <= darg->layout->len); + + for (i = 0; i < (darg->var->array_size ?: 1); ++i) { + copy = C->ops->copyof_type(C, type); + data->els = psi_plist_add(data->els, ©); + } + assert(darg->layout->len == type_layout.len * (darg->var->array_size ?: 1)); + data->offset += darg->layout->len; +} + +static inline void psi_context_decl_struct_type_elements(struct psi_context *C, + struct psi_decl_struct *strct, struct psi_plist **els) +{ + size_t i = 0; + struct psi_decl_arg *darg, *prev = NULL; + struct psi_struct_type_data data = {0}; + + data.els = *els; + while (psi_plist_get(strct->args, i++, &darg)) { + if (prev && prev->layout->pos == darg->layout->pos) { + /* skip bit fields */ + continue; + } + psi_struct_type_element(C, &data, darg); + } + + data.offset = (data.offset + data.max_align - 1) & ~(data.max_align - 1); + assert(data.offset <= strct->size); + psi_struct_type_pad(C, &data, strct->size - data.offset); + + *els = data.els; +} + +static inline void *psi_context_decl_arg_type(struct psi_context *C, + struct psi_decl_arg *darg) +{ + struct psi_decl_type *real = psi_decl_type_get_real(darg->type); + + if (real != darg->type && darg->type->real.def->var->pointer_level) { + return C->ops->typeof_decl(C, PSI_T_POINTER); + } + + if (real->type == PSI_T_UNION) { + struct psi_decl_arg *arg; + psi_plist_get(real->real.unn->args, 0, &arg); + return psi_context_decl_arg_full_type(C, arg); + } + + if (real->type == PSI_T_STRUCT) { + C->ops->composite_init(C, darg); + return darg->engine.type; + } + + return C->ops->typeof_decl(C, real->type); +} + +void *psi_context_decl_arg_call_type(struct psi_context *C, + struct psi_decl_arg *darg) +{ + if (darg->var->pointer_level) { + return C->ops->typeof_decl(C, PSI_T_POINTER); + } + + return psi_context_decl_arg_type(C, darg); +} + +void *psi_context_decl_arg_full_type(struct psi_context *C, + struct psi_decl_arg *darg) +{ + if (darg->var->array_size) { + C->ops->composite_init(C, darg); + return darg->engine.type; + } + if (darg->var->pointer_level) { + return C->ops->typeof_decl(C, PSI_T_POINTER); + } + + return psi_context_decl_arg_type(C, darg); +} + +void **psi_context_composite_type_elements(struct psi_context *C, + struct psi_decl_arg *darg, struct psi_plist **eles) +{ + struct psi_decl_type *dtype; + struct psi_decl_arg *tmp; + void *type, *copy; + + dtype = psi_decl_type_get_real(darg->type); + + switch (dtype->type) { + case PSI_T_STRUCT: + psi_context_decl_struct_type_elements(C, dtype->real.strct, eles); + break; + case PSI_T_UNION: + if (psi_plist_bottom(dtype->real.unn->args, &tmp)) { + type = psi_context_decl_arg_full_type(C, tmp); + copy = C->ops->copyof_type(C, type); + *eles = psi_plist_add(*eles, ©); + } + break; + default: + type = psi_context_decl_arg_type(C, darg); + for (size_t i = 0; i < darg->var->array_size; ++i) { + copy = C->ops->copyof_type(C, type); + *eles = psi_plist_add(*eles, ©); + } + } + + return psi_plist_eles(*eles); +} + +/* +void psi_context_decl_func_array_elements(struct psi_context *C, + struct psi_decl *fn, struct psi_plist **els) +{ + void *type; + size_t i; + + if (fn->func->var->pointer_level > 1) { + type = C->ops->typeof_decl(C, PSI_T_POINTER); + } else { + type = psi_context_decl_type(C, fn->func->type); + } + + for (i = 0; i < fn->func->var->array_size; ++i) { + void *copy = C->ops->copyof_type(C, type); + *els = psi_plist_add(*els, ©); + } +} + +void *psi_context_decl_func_type(struct psi_context *C, struct psi_decl *fn) +{ + struct psi_decl_arg *darg = fn->func; + + if (darg->engine.type) { + return darg->engine.type; + } + + if (darg->var->pointer_level) { + if (!darg->var->array_size) { + return C->ops->typeof_decl(C, PSI_T_POINTER); + } else { + C->ops->composite_init(C, darg); + return darg->engine.type; + } + } + + return psi_context_decl_type(C, darg->type); +} +*/ + +void psi_context_compile(struct psi_context *C) +{ + psi_context_consts_init(C); + psi_context_extvars_init(C); + psi_context_impls_init(C); + psi_context_decls_init(C); + + /* zend_register_functions depends on EG(current_module) pointing into module */ + EG(current_module) = zend_hash_str_find_ptr(&module_registry, "psi", sizeof("psi") - 1); + if (SUCCESS != zend_register_functions(NULL, C->closures, NULL, MODULE_PERSISTENT)) { + C->error(PSI_DATA(C), NULL, PSI_WARNING, "Failed to register functions!"); + } + EG(current_module) = NULL; +} ZEND_RESULT_CODE psi_context_call(struct psi_context *C, zend_execute_data *execute_data, zval *return_value, struct psi_impl *impl) { @@ -327,7 +632,11 @@ ZEND_RESULT_CODE psi_context_call(struct psi_context *C, zend_execute_data *exec return FAILURE; } - C->ops->call(frame); + if (psi_call_frame_num_var_args(frame)) { + C->ops->call_va(frame); + } else { + C->ops->call(frame); + } if (SUCCESS != psi_call_frame_do_assert(frame, PSI_ASSERT_POST)) { psi_call_frame_do_return(frame, return_value); @@ -350,6 +659,48 @@ void psi_context_dtor(struct psi_context *C) size_t i; zend_function_entry *zfe; + if (C->decls) { + size_t i = 0; + struct psi_decl *decl; + + while (psi_plist_get(C->decls, i++, &decl)) { + size_t j = 0; + struct psi_decl_arg *darg; + + while (psi_plist_get(decl->args, j++, &darg)) { + C->ops->composite_dtor(C, darg); + } + C->ops->composite_dtor(C, decl->func); + C->ops->decl_dtor(C, decl); + } + + } + if (C->vars) { + size_t i = 0; + struct psi_decl_extvar *evar; + + while (psi_plist_get(C->vars, i++, &evar)) { + C->ops->composite_dtor(C, evar->getter->func); + C->ops->composite_dtor(C, evar->arg); + C->ops->extvar_dtor(C, evar); + } + } + if (C->impls) { + size_t i = 0; + struct psi_impl *impl; + + while (psi_plist_get(C->impls, i++, &impl)) { + struct psi_let_stmt *let; + size_t j = 0; + + while (psi_plist_get(impl->stmts.let, j++, &let)) { + psi_context_callback_dtor(C, let->exp, impl); + } + + C->ops->impl_dtor(C, impl); + } + } + if (C->ops->dtor) { C->ops->dtor(C); } @@ -365,9 +716,9 @@ void psi_context_dtor(struct psi_context *C) if (C->closures) { for (zfe = C->closures; zfe->fname; ++zfe) { - free((void *) zfe->arg_info); + pefree((void *) zfe->arg_info, 1); } - free(C->closures); + pefree(C->closures, 1); } } @@ -383,8 +734,7 @@ void psi_context_free(struct psi_context **C) void psi_context_dump(struct psi_dump *dump, struct psi_context *C) { PSI_DUMP(dump, "// psi.engine=%s\n// %lu files\n", - (char *) C->ops->query(C, PSI_CONTEXT_QUERY_SELF, NULL), - C->count); + C->ops->name, C->count); psi_data_dump(dump, PSI_DATA(C)); diff --git a/src/context.h b/src/context.h index 248efbb..62d2a12 100644 --- a/src/context.h +++ b/src/context.h @@ -26,6 +26,8 @@ #ifndef PSI_CONTEXT_H #define PSI_CONTEXT_H +#include "token.h" + /* zend_function_entry */ #include "Zend/zend_API.h" @@ -33,23 +35,40 @@ struct psi_context; struct psi_token; struct psi_parser; struct psi_call_frame; -struct impl_vararg; struct psi_decl; struct psi_impl; - -enum psi_context_query { - PSI_CONTEXT_QUERY_SELF, /* ffi/jit */ - PSI_CONTEXT_QUERY_TYPE, /* impl type token_t to native ffi_type/jit_type */ -}; +struct psi_decl_arg; +struct psi_decl_extvar; +struct psi_let_exp; struct psi_context_ops { - ZEND_RESULT_CODE (*load)(void); + /* library */ + const char *name; + /* called once */ + bool (*load)(void); void (*free)(void); - void (*init)(struct psi_context *C); + /* called for each new context */ + bool (*init)(struct psi_context *C); void (*dtor)(struct psi_context *C); - zend_function_entry *(*compile)(struct psi_context *C); + /* compiler */ + bool (*composite_init)(struct psi_context *C, struct psi_decl_arg *darg); + void (*composite_dtor)(struct psi_context *C, struct psi_decl_arg *darg); + bool (*extvar_init)(struct psi_context *C, struct psi_decl_extvar *evar); + void (*extvar_dtor)(struct psi_context *C, struct psi_decl_extvar *evar); + bool (*decl_init)(struct psi_context *C, struct psi_decl *decl); + void (*decl_dtor)(struct psi_context *C, struct psi_decl *decl); + bool (*impl_init)(struct psi_context *C, struct psi_impl *impl, zif_handler *zh); + void (*impl_dtor)(struct psi_context *C, struct psi_impl *impl); + bool (*cb_init)(struct psi_context *C, struct psi_let_exp *cb, struct psi_impl *impl); + void (*cb_dtor)(struct psi_context *C, struct psi_let_exp *cb, struct psi_impl *impl); + /* calls */ void (*call)(struct psi_call_frame *frame); - void *(*query)(struct psi_context *C, enum psi_context_query q, void *arg); + void (*call_va)(struct psi_call_frame *frame); + /* types */ + void *(*typeof_impl)(struct psi_context *C, token_t impl_type); + void *(*typeof_decl)(struct psi_context *C, token_t decl_type); + void *(*copyof_type)(struct psi_context *C, void *orig_type); + void (*layoutof_type)(struct psi_context *C, void *orig_type, struct psi_layout *l); }; #include "data.h" @@ -73,7 +92,13 @@ struct psi_context_call_data { struct psi_context *psi_context_init(struct psi_context *C, struct psi_context_ops *ops, psi_error_cb error, unsigned flags); void psi_context_build(struct psi_context *C, const char *path); -zend_function_entry *psi_context_compile(struct psi_context *C); +void psi_context_compile(struct psi_context *C); + +void **psi_context_composite_type_elements(struct psi_context *C, + struct psi_decl_arg *darg, struct psi_plist **eles); +void *psi_context_decl_arg_call_type(struct psi_context *C, struct psi_decl_arg *arg); +void *psi_context_decl_arg_full_type(struct psi_context *C, struct psi_decl_arg *arg); + ZEND_RESULT_CODE psi_context_call(struct psi_context *C, zend_execute_data *execute_data, zval *return_value, struct psi_impl *impl); void psi_context_dump(struct psi_dump *dump, struct psi_context *C); void psi_context_dtor(struct psi_context *C); diff --git a/src/libffi.c b/src/libffi.c index 30210cf..6f808d4 100644 --- a/src/libffi.c +++ b/src/libffi.c @@ -30,25 +30,11 @@ #ifdef HAVE_LIBFFI -#undef PACKAGE -#undef PACKAGE_BUGREPORT -#undef PACKAGE_NAME -#undef PACKAGE_STRING -#undef PACKAGE_TARNAME -#undef PACKAGE_VERSION - -#include - -#ifndef PSI_HAVE_FFI_CLOSURE_ALLOC -# if HAVE_UNISTD_H -# include -# endif -# if HAVE_SYS_MMAN_H -# include -# ifndef MAP_ANONYMOUS -# define MAP_ANONYMOUS MAP_ANON -# endif -# endif +#include "libffi_compat.h" + +#if HAVE_INT128 +static ffi_type *ffi_type_sint128; +static ffi_type *ffi_type_uint128; #endif struct psi_ffi_context { @@ -56,14 +42,6 @@ struct psi_ffi_context { ffi_type *params[2]; }; -struct psi_ffi_impl_info { - struct psi_context *context; - struct psi_call_frame *frame; - - void *code; - ffi_closure *closure; -}; - struct psi_ffi_callback_info { struct psi_ffi_impl_info *impl_info; struct psi_let_exp *let_exp; @@ -74,72 +52,39 @@ struct psi_ffi_callback_info { struct psi_ffi_decl_info { ffi_cif signature; - ffi_type *rv_array; + struct psi_ffi_struct_info *rv_array; ffi_type *params[1]; }; -static void *psi_ffi_closure_alloc(size_t s, void **code) -{ -#ifdef PSI_HAVE_FFI_CLOSURE_ALLOC - return ffi_closure_alloc(s, code); -#elif HAVE_MMAP - *code = mmap(NULL, s, PROT_EXEC|PROT_WRITE|PROT_READ, - MAP_PRIVATE|MAP_ANONYMOUS, -1, 0); - if (MAP_FAILED == *code) { - return NULL; - } - return *code; -#else -# error "Neither ffi_closure_alloc() nor mmap() available" -#endif -} +struct psi_ffi_extvar_info { + struct { + ffi_cif signature; + void *code; + ffi_closure *closure; + } get; + struct { + ffi_cif signature; + ffi_type *params[1]; + void *code; + ffi_closure *closure; + } set; +}; -static ffi_status psi_ffi_prep_closure(ffi_closure **closure, void **code, ffi_cif *sig, void (*handler)(ffi_cif*,void*,void**,void*), void *data) { - *closure = psi_ffi_closure_alloc(sizeof(ffi_closure), code); - assert(*closure != NULL); +struct psi_ffi_impl_info { + struct psi_context *context; + struct psi_call_frame *frame; -#if PSI_HAVE_FFI_PREP_CLOSURE_LOC - return ffi_prep_closure_loc(*closure, sig, handler, data, *code); + void *code; + ffi_closure *closure; +}; -#elif PSI_HAVE_FFI_PREP_CLOSURE - return ffi_prep_closure(*code, sig, handler, data); -#else -# error "Neither ffi_prep_closure() nor ffi_prep_closure_loc() is available" -#endif -} +struct psi_ffi_struct_info { + ffi_type strct; + struct psi_plist *eles; +}; -static void psi_ffi_closure_free(void *c) +static inline ffi_type *psi_ffi_token_type(token_t t) { -#ifdef PSI_HAVE_FFI_CLOSURE_ALLOC - ffi_closure_free(c); -#elif HAVE_MMAP - munmap(c, sizeof(ffi_closure)); -#endif -} - -static void psi_ffi_prep_va(ffi_cif *base, ffi_cif *signature, size_t argc, size_t va_count, - ffi_type **param_types) { - ffi_status rc; - -#ifdef PSI_HAVE_FFI_PREP_CIF_VAR - rc = ffi_prep_cif_var(signature, base->abi, argc, argc + va_count, - base->rtype, param_types); -#else - /* FIXME: test in config.m4; assume we can just call anyway */ - rc = ffi_prep_cif(signature, base->abi, argc + va_count, base->rtype, param_types); -#endif - - assert(FFI_OK == rc); -} - -#if HAVE_INT128 -static ffi_type *ffi_type_sint128; -static ffi_type *ffi_type_uint128; -#endif - -static inline ffi_type *psi_ffi_decl_arg_type(struct psi_decl_arg *darg); - -static inline ffi_type *psi_ffi_token_type(token_t t) { switch (t) { default: assert(0); @@ -185,7 +130,8 @@ static inline ffi_type *psi_ffi_token_type(token_t t) { return &ffi_type_pointer; } } -static inline ffi_type *psi_ffi_impl_type(token_t impl_type) { +static inline ffi_type *psi_ffi_impl_type(token_t impl_type) +{ switch (impl_type) { case PSI_T_BOOL: return &ffi_type_sint8; @@ -200,204 +146,10 @@ static inline ffi_type *psi_ffi_impl_type(token_t impl_type) { } return NULL; } -static void psi_ffi_type_dtor(void *type) { - ffi_type *strct = type; - - if (strct->elements) { - ffi_type **ptr; - - for (ptr = strct->elements; *ptr; ++ptr) { - free(*ptr); - } - free(strct->elements); - } - free(strct); -} - -static size_t psi_ffi_struct_type_pad(ffi_type **els, size_t padding) { - size_t i; - - for (i = 0; i < padding; ++i) { - ffi_type *pad = pemalloc(sizeof(*pad), 1); - - memcpy(pad, &ffi_type_schar, sizeof(*pad)); - *els++ = pad; - } - - return padding; -} - -struct psi_ffi_struct_element_storage { - ffi_type **els; - size_t nels; - size_t argc; - size_t offset; - size_t max_align; - size_t last_arg_pos; -}; - -static inline void psi_ffi_struct_type_element( - struct psi_ffi_struct_element_storage *s, struct psi_decl_arg *darg, - ffi_type *darg_type) { - - ffi_type *type; - size_t padding; - - if (darg->layout->pos == s->last_arg_pos) { - /* skip bit fields */ - return; - } - s->last_arg_pos = darg->layout->pos; - - type = pemalloc(sizeof(*type), 1); - *type = *darg_type; - - if (type->alignment > s->max_align) { - s->max_align = type->alignment; - } - - assert(type->size <= darg->layout->len); - if ((padding = psi_offset_padding(darg->layout->pos - s->offset, type->alignment))) { - if (s->nels + padding + 1 > s->argc) { - s->argc += padding; - s->els = safe_perealloc(s->els, (s->argc + 1), sizeof(*s->els), 0, 1); - s->els[s->argc] = NULL; - } - psi_ffi_struct_type_pad(&s->els[s->nels], padding); - s->nels += padding; - s->offset += padding; - } - assert(s->offset == darg->layout->pos); - - s->offset = (s->offset + darg->layout->len + type->alignment - 1) & ~(type->alignment - 1); - s->els[s->nels++] = type; -} - -static ffi_type **psi_ffi_struct_type_elements(struct psi_decl_struct *strct) { - size_t i = 0; - struct psi_decl_arg *darg; - struct psi_ffi_struct_element_storage s = {0}; - - s.last_arg_pos = -1; - s.argc = psi_plist_count(strct->args); - s.els = pecalloc(s.argc + 1, sizeof(*s.els), 1); - - while (psi_plist_get(strct->args, i++, &darg)) { - psi_ffi_struct_type_element(&s, darg, psi_ffi_decl_arg_type(darg)); - } - - /* apply struct alignment padding */ - s.offset = (s.offset + s.max_align - 1) & ~(s.max_align - 1); - - assert(s.offset <= strct->size); - if (s.offset < strct->size) { /* WTF? */ - size_t padding = strct->size - s.offset; - - s.els = safe_perealloc(s.els, (padding + s.argc + 1), sizeof(*s.els), 0, 1); - psi_ffi_struct_type_pad(&s.els[s.nels], padding); - s.els[s.argc + padding] = NULL; - } - return s.els; -} - -static inline ffi_type *psi_ffi_decl_type(struct psi_decl_type *type) { - struct psi_decl_type *real = psi_decl_type_get_real(type); - - if (real != type && type->real.def->var->pointer_level) { - return &ffi_type_pointer; - } - - switch (real->type) { - case PSI_T_STRUCT: - if (!real->real.strct->engine.type) { - ffi_type *strct = pecalloc(1, sizeof(ffi_type), 1); - - strct->type = FFI_TYPE_STRUCT; - strct->size = 0; - strct->elements = psi_ffi_struct_type_elements(real->real.strct); - - real->real.strct->engine.type = strct; - real->real.strct->engine.dtor = psi_ffi_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_ffi_decl_arg_type(arg); - } - - default: - break; - } - - return psi_ffi_token_type(real->type); -} - -static inline ffi_type *psi_ffi_decl_func_array_type(struct psi_decl *fn) { - struct psi_ffi_decl_info *info = fn->info; - struct psi_ffi_struct_element_storage s = {0}; - struct psi_layout l; - ffi_type *type; - size_t i; - - if (info->rv_array) { - return info->rv_array; - } - - s.last_arg_pos = -1; - s.argc = fn->func->var->array_size; - s.els = pecalloc(s.argc + 1, sizeof(*s.els), 1); - - info->rv_array = pecalloc(1, sizeof(ffi_type), 1); - info->rv_array->type = FFI_TYPE_STRUCT; - info->rv_array->size = 0; - info->rv_array->elements = s.els; - - l.pos = 0; - if (fn->func->var->pointer_level > 1) { - l.len = SIZEOF_VOID_P; - type = &ffi_type_pointer; - } else { - l.len = psi_decl_type_get_size(fn->func->type, NULL); - type = psi_ffi_decl_type(fn->func->type); - } - - assert(!fn->func->layout); - fn->func->layout = &l; - for (i = 0; i < fn->func->var->array_size; ++i) { - psi_ffi_struct_type_element(&s, fn->func, type); - info->rv_array->elements = s.els; - l.pos += l.len; - } - fn->func->layout = NULL; - - return info->rv_array; -} - -static inline ffi_type *psi_ffi_decl_arg_type(struct psi_decl_arg *darg) { - if (darg->var->pointer_level) { - return &ffi_type_pointer; - } else { - return psi_ffi_decl_type(darg->type); - } -} - -static inline ffi_type *psi_ffi_decl_func_type(struct psi_decl *fn) { - struct psi_decl_arg *darg = fn->func; - - if (darg->var->pointer_level) { - if (darg->var->array_size) { - /* mimic a struct resembling the array return type of fn */ - return psi_ffi_decl_func_array_type(fn); - } - return &ffi_type_pointer; - } else { - return psi_ffi_decl_type(darg->type); - } +static void psi_ffi_type_free(ffi_type **typ_ptr) +{ + pefree(*typ_ptr, 1); } static inline ffi_abi psi_ffi_abi(zend_string *convention) { @@ -416,44 +168,6 @@ static inline ffi_abi psi_ffi_abi(zend_string *convention) { return FFI_DEFAULT_ABI; } -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 = pecalloc(1, sizeof(*info) + 2 * c * sizeof(void *), 1); - - decl->info = info; - - 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_func_type(decl), info->params); - - if (FFI_OK != rc) { - free(info); - decl->info = NULL; - } - } - - return decl->info; -} - -static inline void psi_ffi_decl_dtor(struct psi_decl *decl) { - if (decl->info) { - struct psi_ffi_decl_info *info = decl->info; - - if (info->rv_array) { - psi_ffi_type_dtor(info->rv_array); - } - free(decl->info); - decl->info = NULL; - } -} - static void psi_ffi_handler(ffi_cif *sig, void *result, void **args, void *data) { struct psi_impl *impl = data; @@ -477,138 +191,125 @@ static void psi_ffi_callback(ffi_cif *sig, void *result, void **args, void *data 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 = pecalloc(1, sizeof(*cb_info), 1); - 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); +static bool psi_ffi_load() +{ +#if HAVE_INT128 + ffi_type *i128, *u128; - if (FFI_OK != rc) { - free(cb_info); - break; - } - cb->info = cb_info; + i128 = pecalloc(1, 3*sizeof(ffi_type), 1); + i128->type = FFI_TYPE_STRUCT; + i128->size = 0; + i128->elements = (ffi_type **) (i128 + 1); + i128->elements[0] = &ffi_type_sint64; + i128->elements[1] = &ffi_type_sint64; - assert(!cb->decl->sym); - cb->decl->sym = cb_info->code; - fn = cb->func; - /* no break */ + ffi_type_sint128 = i128; - case PSI_LET_FUNC: - if (!fn) { - fn = let_exp->data.func; - } - if (fn->inner) { - size_t i = 0; - struct psi_let_exp *inner_let; + u128 = pecalloc(1, 3*sizeof(ffi_type), 1); + u128->type = FFI_TYPE_STRUCT; + u128->size = 0; + u128->elements = (ffi_type **) (u128 + 1); + u128->elements[0] = &ffi_type_uint64; + u128->elements[1] = &ffi_type_uint64; - while (psi_plist_get(fn->inner, i++, &inner_let)) { - psi_ffi_callback_init(impl_info, inner_let); - } - } - break; - default: - break; - } + ffi_type_uint128 = u128; +#endif + return true; } -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; +static void psi_ffi_free() +{ +#if HAVE_INT128 + free(ffi_type_sint128); + free(ffi_type_uint128); +#endif +} - psi_ffi_decl_dtor(cb->decl); +static bool psi_ffi_init(struct psi_context *C) +{ + ffi_status rc; + struct psi_ffi_context *context = pecalloc(1, sizeof(*context), 1); - if (cb->info) { - struct psi_ffi_callback_info *info = cb->info; + context->params[0] = &ffi_type_pointer; + context->params[1] = &ffi_type_pointer; + rc = ffi_prep_cif(&context->signature, FFI_DEFAULT_ABI, 2, &ffi_type_void, + context->params); - if (info->closure) { - psi_ffi_closure_free(info->closure); - } - free(info); - cb->info = NULL; - } - fn = cb->func; - /* no break */ - case PSI_LET_FUNC: - if (!fn) { - fn = let_exp->data.func; - } + if (FFI_OK != rc) { + pefree(context, 1); + return false; + } - if (fn->inner) { - size_t i = 0; - struct psi_let_exp *cb; + C->context = context; + return true; +} - while (psi_plist_get(fn->inner, i++, &cb)) { - psi_ffi_callback_dtor(cb); - } - } - break; - default: - break; +static void psi_ffi_dtor(struct psi_context *C) +{ + if (C->context) { + pefree(C->context, 1); + C->context = NULL; } } -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 = pecalloc(1, sizeof(*info), 1); - struct psi_let_stmt *let; - ffi_status rc; - size_t l = 0; +static bool psi_ffi_composite_init(struct psi_context *C, + struct psi_decl_arg *darg) +{ + struct psi_ffi_struct_info *info; - info->context = C; + if (darg->engine.type) { + return true; + } - rc = psi_ffi_prep_closure(&info->closure, &info->code, - &context->signature, psi_ffi_handler, impl); + info = pecalloc(1, sizeof(*info), 1); + info->eles = psi_plist_init((psi_plist_dtor) psi_ffi_type_free); - if (FFI_OK != rc) { - free(info); - return NULL; - } + psi_context_composite_type_elements(C, darg, &info->eles); - while (psi_plist_get(impl->stmts.let, l++, &let)) { - psi_ffi_callback_init(info, let->exp); + /* add terminating NULL; libffi structs do not have an element count */ + { + void *null_ptr = NULL; + info->eles = psi_plist_add(info->eles, &null_ptr); } - return impl->info = info; -} + info->strct.type = FFI_TYPE_STRUCT; + info->strct.alignment = 0; + info->strct.size = 0; + info->strct.elements = (ffi_type **) psi_plist_eles(info->eles); -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; + darg->engine.info = info; + darg->engine.type = &info->strct; - while (psi_plist_get(impl->stmts.let, j++, &let)) { - psi_ffi_callback_dtor(let->exp); - } + return true; +} + +static void psi_ffi_composite_dtor(struct psi_context *C, + struct psi_decl_arg *darg) +{ + struct psi_ffi_struct_info *info = darg->engine.info; if (info) { - if (info->closure) { - psi_ffi_closure_free(info->closure); + darg->engine.info = NULL; + darg->engine.type = NULL; + + struct psi_plist *args = NULL; + struct psi_decl_type *dtype = psi_decl_type_get_real(darg->type); + + if (dtype->type == PSI_T_STRUCT) { + args = dtype->real.strct->args; + } else if (dtype->type == PSI_T_UNION) { + args = dtype->real.unn->args; } - free(info); - impl->info = NULL; + + size_t i = 0; + struct psi_decl_arg *tmp; + + while (psi_plist_get(args, i++, &tmp)) { + psi_ffi_composite_dtor(C, tmp); + } + + psi_plist_free(info->eles); + pefree(info, 1); } } @@ -624,174 +325,185 @@ static void psi_ffi_extvar_set(ffi_cif *sig, void *result, void **args, void *da psi_decl_extvar_set(evar, args[0]); } -struct psi_ffi_extvar_info { - struct { - ffi_cif signature; - void *code; - ffi_closure *closure; - } get; - struct { - ffi_cif signature; - ffi_type *params[1]; - void *code; - ffi_closure *closure; - } set; -}; +static bool psi_ffi_decl_init(struct psi_context *, struct psi_decl *); -static inline ffi_status psi_ffi_extvar_init(struct psi_decl_extvar *evar) { +static bool psi_ffi_extvar_init(struct psi_context *C, + struct psi_decl_extvar *evar) +{ struct psi_ffi_extvar_info *info = pecalloc(1, sizeof(*info), 1); ffi_status rc; evar->info = info; - psi_ffi_decl_init(evar->getter); - psi_ffi_decl_init(evar->setter); + psi_ffi_decl_init(C, evar->getter); + psi_ffi_decl_init(C, evar->setter); rc = ffi_prep_cif(&info->get.signature, FFI_DEFAULT_ABI, 0, - psi_ffi_decl_func_type(evar->getter), NULL); + psi_context_decl_arg_call_type(C, evar->getter->func), NULL); if (FFI_OK != rc) { - return rc; + return false; } rc = psi_ffi_prep_closure(&info->get.closure, &info->get.code, &info->get.signature, psi_ffi_extvar_get, evar); if (FFI_OK != rc) { - return rc; + return false; } - info->set.params[0] = psi_ffi_decl_arg_type(evar->arg); + info->set.params[0] = psi_context_decl_arg_call_type(C, evar->arg); rc = ffi_prep_cif(&info->set.signature, FFI_DEFAULT_ABI, 1, &ffi_type_void, info->set.params); if (FFI_OK != rc) { - return rc; + return false; } rc = psi_ffi_prep_closure(&info->set.closure, &info->set.code, &info->set.signature, psi_ffi_extvar_set, evar); if (FFI_OK != rc) { - return rc; + return false; } evar->getter->sym = info->get.code; evar->setter->sym = info->set.code; - return FFI_OK; + return true; } -static inline void psi_ffi_extvar_dtor(struct psi_decl_extvar *evar) { +static void psi_ffi_extvar_dtor(struct psi_context *C, + struct psi_decl_extvar *evar) { if (evar->info) { - free(evar->info); + pefree(evar->info, 1); evar->info = NULL; } } -static inline struct psi_ffi_context *psi_ffi_context_init(struct psi_ffi_context *L) { - ffi_status rc; +static bool psi_ffi_decl_init(struct psi_context *C, 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 = pecalloc(1, + sizeof(*info) + 2 * c * sizeof(void *), 1); - if (!L) { - L = pemalloc(sizeof(*L), 1); - } - memset(L, 0, sizeof(*L)); + decl->info = info; - 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); + for (i = 0; psi_plist_get(decl->args, i, &arg); ++i) { + info->params[i] = psi_context_decl_arg_call_type(C, arg); + } + info->params[c] = NULL; - return L; -} + rc = ffi_prep_cif(&info->signature, psi_ffi_abi(decl->abi->convention), + c, psi_context_decl_arg_call_type(C, decl->func), info->params); -static inline void psi_ffi_context_free(struct psi_ffi_context **L) { - if (*L) { - free(*L); - *L = NULL; + if (FFI_OK != rc) { + pefree(info, 1); + decl->info = NULL; + return false; + } } + + return true; } -static void psi_ffi_init(struct psi_context *C) +static void psi_ffi_decl_dtor(struct psi_context *C, + struct psi_decl *decl) { - C->context = psi_ffi_context_init(NULL); + if (decl->info) { + pefree(decl->info, 1); + decl->info = NULL; + } } -static void psi_ffi_dtor(struct psi_context *C) +static bool psi_ffi_impl_init(struct psi_context *C, + struct psi_impl *impl, zif_handler *zh) { - if (C->decls) { - size_t i = 0; - struct psi_decl *decl; + struct psi_ffi_context *context = C->context; + struct psi_ffi_impl_info *info = pecalloc(1, sizeof(*info), 1); + ffi_status rc; - while (psi_plist_get(C->decls, i++, &decl)) { - psi_ffi_decl_dtor(decl); - } + impl->info = info; + info->context = C; - } - if (C->vars) { - size_t i = 0; - struct psi_decl_extvar *evar; + rc = psi_ffi_prep_closure(&info->closure, &info->code, + &context->signature, psi_ffi_handler, impl); - while (psi_plist_get(C->vars, i++, &evar)) { - psi_ffi_extvar_dtor(evar); - } + if (FFI_OK != rc) { + goto failure; } - 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); -} + *zh = info->code; + return true; +failure: ; + impl->info = NULL; + free(info); + return false; +} -static zend_function_entry *psi_ffi_compile(struct psi_context *C) +static void psi_ffi_impl_dtor(struct psi_context *C, struct psi_impl *impl) { - size_t i = 0, d = 0, v = 0, nf = 0; - struct psi_impl *impl; - struct psi_decl *decl; - struct psi_decl_extvar *evar; - zend_function_entry *zfe = NULL; - - while (psi_plist_get(C->vars, v++, &evar)) { - if (FFI_OK == psi_ffi_extvar_init(evar)) { - /* */ + struct psi_ffi_impl_info *info = impl->info; + + if (info) { + if (info->closure) { + psi_ffi_closure_free(info->closure); } + free(info); + impl->info = NULL; } +} - if (C->impls) { - zfe = pecalloc(psi_plist_count(C->impls) + 1, sizeof(*zfe), 1); - - while (psi_plist_get(C->impls, i++, &impl)) { - zend_function_entry *zf = &zfe[nf]; - - if (!impl->decl) { - continue; - } - if (!psi_ffi_decl_init(impl->decl)) { - continue; - } - if (!psi_ffi_impl_init(impl, C)) { - continue; - } - - zf->fname = impl->func->name->val + (impl->func->name->val[0] == '\\'); - 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; - } +static bool psi_ffi_cb_init(struct psi_context *C, + struct psi_let_exp *exp, struct psi_impl *impl) +{ + struct psi_ffi_callback_info *cb_info; + struct psi_ffi_decl_info *decl_info; + ffi_status rc; + + assert(exp->kind == PSI_LET_CALLBACK); + + if (!psi_ffi_decl_init(C, exp->data.callback->decl)) { + return false; } - while (psi_plist_get(C->decls, d++, &decl)) { - if (decl->info) { - continue; - } + cb_info = pecalloc(1, sizeof(*cb_info), 1); + cb_info->impl_info = impl->info; + cb_info->let_exp = exp; - psi_ffi_decl_init(decl); + decl_info = exp->data.callback->decl->info; + rc = psi_ffi_prep_closure(&cb_info->closure, &cb_info->code, + &decl_info->signature, psi_ffi_callback, cb_info); + + if (FFI_OK != rc) { + free(cb_info); + return false; } - return zfe; + assert(!exp->data.callback->decl->sym); + exp->data.callback->info = cb_info; + exp->data.callback->decl->sym = cb_info->code; + + return true; +} + +static void psi_ffi_cb_dtor(struct psi_context *C, + struct psi_let_exp *let_exp, struct psi_impl *impl) +{ + assert(let_exp->kind == PSI_LET_CALLBACK); + + psi_ffi_decl_dtor(C, let_exp->data.callback->decl); + + if (let_exp->data.callback->info) { + struct psi_ffi_callback_info *info = let_exp->data.callback->info; + + if (info->closure) { + psi_ffi_closure_free(info->closure); + } + pefree(info, 1); + let_exp->data.callback->info = NULL; + } } -static inline void psi_ffi_call_ex(struct psi_call_frame *frame) { +static void psi_ffi_call(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; @@ -811,7 +523,7 @@ static inline void psi_ffi_call_ex(struct psi_call_frame *frame) { } } -static inline void psi_ffi_call_va(struct psi_call_frame *frame) { +static void psi_ffi_call_va(struct psi_call_frame *frame) { ffi_cif signature; struct psi_call_frame *prev; struct psi_decl *decl = psi_call_frame_get_decl(frame); @@ -849,66 +561,60 @@ static inline void psi_ffi_call_va(struct psi_call_frame *frame) { 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_typeof_impl(struct psi_context *C, token_t impl_type) +{ + return psi_ffi_impl_type(impl_type); } -static void *psi_ffi_query(struct psi_context *C, enum psi_context_query q, void *arg) { - switch (q) { - case PSI_CONTEXT_QUERY_SELF: - return "ffi"; - case PSI_CONTEXT_QUERY_TYPE: - return psi_ffi_impl_type(*(token_t *) arg); - } - return NULL; +static void *psi_ffi_typeof_decl(struct psi_context *C, token_t decl_type) +{ + return psi_ffi_token_type(decl_type); } -static ZEND_RESULT_CODE psi_ffi_load() +static void *psi_ffi_copyof_type(struct psi_context *C, void *orig_type) { -#if HAVE_INT128 - ffi_type *i128, *u128; + ffi_type *type = pemalloc(sizeof(*type), 1); - i128 = pecalloc(1, 3*sizeof(ffi_type), 1); - i128->type = FFI_TYPE_STRUCT; - i128->size = 0; - i128->elements = (ffi_type **) (i128 + 1); - i128->elements[0] = &ffi_type_sint64; - i128->elements[1] = &ffi_type_sint64; - - ffi_type_sint128 = i128; - - u128 = pecalloc(1, 3*sizeof(ffi_type), 1); - u128->type = FFI_TYPE_STRUCT; - u128->size = 0; - u128->elements = (ffi_type **) (u128 + 1); - u128->elements[0] = &ffi_type_uint64; - u128->elements[1] = &ffi_type_uint64; - - ffi_type_uint128 = u128; -#endif - return SUCCESS; + *type = *(ffi_type *) orig_type; + return type; } -static void psi_ffi_free() +static void psi_ffi_layoutof_type(struct psi_context *C, void *orig_type, + struct psi_layout *l) { -#if HAVE_INT128 - free(ffi_type_sint128); - free(ffi_type_uint128); -#endif + ffi_type *type = orig_type; + + if (!type->size || !type->alignment) { + ffi_cif tmp; + ffi_prep_cif(&tmp, FFI_DEFAULT_ABI, 0, type, NULL); + } + + l->pos = type->alignment; + l->len = type->size; } static struct psi_context_ops ops = { + "libffi", psi_ffi_load, psi_ffi_free, psi_ffi_init, psi_ffi_dtor, - psi_ffi_compile, + psi_ffi_composite_init, + psi_ffi_composite_dtor, + psi_ffi_extvar_init, + psi_ffi_extvar_dtor, + psi_ffi_decl_init, + psi_ffi_decl_dtor, + psi_ffi_impl_init, + psi_ffi_impl_dtor, + psi_ffi_cb_init, + psi_ffi_cb_dtor, psi_ffi_call, - psi_ffi_query, + psi_ffi_call_va, + psi_ffi_typeof_impl, + psi_ffi_typeof_decl, + psi_ffi_copyof_type, + psi_ffi_layoutof_type, }; struct psi_context_ops *psi_libffi_ops(void) diff --git a/src/libffi_compat.h b/src/libffi_compat.h new file mode 100644 index 0000000..f939c86 --- /dev/null +++ b/src/libffi_compat.h @@ -0,0 +1,108 @@ +/******************************************************************************* + Copyright (c) 2018, Michael Wallner . + 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. +*******************************************************************************/ + +#ifndef PSI_LIBFFI_COMPAT_H +#define PSI_LIBFFI_COMPAT_H + +#include "php_psi_stdinc.h" + +#undef PACKAGE +#undef PACKAGE_BUGREPORT +#undef PACKAGE_NAME +#undef PACKAGE_STRING +#undef PACKAGE_TARNAME +#undef PACKAGE_VERSION + +#include + +#ifndef PSI_HAVE_FFI_CLOSURE_ALLOC +# if HAVE_UNISTD_H +# include +# endif +# if HAVE_SYS_MMAN_H +# include +# ifndef MAP_ANONYMOUS +# define MAP_ANONYMOUS MAP_ANON +# endif +# endif +#endif + +static inline void *psi_ffi_closure_alloc(size_t s, void **code) +{ +#ifdef PSI_HAVE_FFI_CLOSURE_ALLOC + return ffi_closure_alloc(s, code); +#elif HAVE_MMAP + *code = mmap(NULL, s, PROT_EXEC|PROT_WRITE|PROT_READ, + MAP_PRIVATE|MAP_ANONYMOUS, -1, 0); + if (MAP_FAILED == *code) { + return NULL; + } + return *code; +#else +# error "Neither ffi_closure_alloc() nor mmap() available" +#endif +} + +static inline ffi_status psi_ffi_prep_closure(ffi_closure **closure, void **code, ffi_cif *sig, void (*handler)(ffi_cif*,void*,void**,void*), void *data) { + *closure = psi_ffi_closure_alloc(sizeof(ffi_closure), code); + assert(*closure != NULL); + +#if PSI_HAVE_FFI_PREP_CLOSURE_LOC + return ffi_prep_closure_loc(*closure, sig, handler, data, *code); + +#elif PSI_HAVE_FFI_PREP_CLOSURE + return ffi_prep_closure(*code, sig, handler, data); +#else +# error "Neither ffi_prep_closure() nor ffi_prep_closure_loc() is available" + abort(); /* fix IDE warning */ +#endif +} + +static inline void psi_ffi_closure_free(void *c) +{ +#ifdef PSI_HAVE_FFI_CLOSURE_ALLOC + ffi_closure_free(c); +#elif HAVE_MMAP + munmap(c, sizeof(ffi_closure)); +#endif +} + +static inline void psi_ffi_prep_va(ffi_cif *base, ffi_cif *signature, size_t argc, size_t va_count, + ffi_type **param_types) { + ffi_status rc; + +#ifdef PSI_HAVE_FFI_PREP_CIF_VAR + rc = ffi_prep_cif_var(signature, base->abi, argc, argc + va_count, + base->rtype, param_types); +#else + /* FIXME: test in config.m4; assume we can just call anyway */ + rc = ffi_prep_cif(signature, base->abi, argc + va_count, base->rtype, param_types); +#endif + + assert(FFI_OK == rc); +} + + +#endif /* LIBFFI_COMPAT_H */ diff --git a/src/libjit.c b/src/libjit.c index 22266ba..0b4989b 100644 --- a/src/libjit.c +++ b/src/libjit.c @@ -37,7 +37,47 @@ static jit_type_t jit_type_llong; static jit_type_t jit_type_ullong; #endif -static inline jit_type_t psi_jit_decl_arg_type(struct psi_decl_arg *darg); +struct psi_jit_context { + jit_context_t jit; + jit_type_t signature; +}; + +struct psi_jit_callback_info { + struct psi_jit_impl_info *impl_info; + struct psi_let_exp *let_exp; + + void *closure; +}; + +struct psi_jit_decl_info { + jit_type_t signature; + struct psi_jit_struct_info *rv_array; + void *params[1]; +}; + +struct psi_jit_extvar_info { + struct { + jit_type_t signature; + void *closure; + } get; + struct { + jit_type_t signature; + jit_type_t params[1]; + void *closure; + } set; +}; + +struct psi_jit_impl_info { + struct psi_context *context; + struct psi_call_frame *frame; + + void *closure; +}; + +struct psi_jit_struct_info { + jit_type_t strct; + struct psi_plist *eles; +}; static inline jit_type_t psi_jit_token_type(token_t t) { @@ -98,479 +138,351 @@ static inline jit_type_t psi_jit_impl_type(token_t impl_type) case PSI_T_FLOAT: case PSI_T_DOUBLE: return jit_type_sys_double; - EMPTY_SWITCH_DEFAULT_CASE() - ; + EMPTY_SWITCH_DEFAULT_CASE(); } return NULL; } -struct psi_jit_struct_type { - jit_type_t strct; - jit_type_t *fields; -}; - -static void psi_jit_struct_type_dtor(void *ptr) +static void psi_jit_type_free(jit_type_t *typ_ptr) { - struct psi_jit_struct_type *type = ptr; - unsigned i, n = jit_type_num_fields(type->strct); - - for (i = 0; i < n; ++i) { - jit_type_free(jit_type_get_field(type->strct, i)); - } - jit_type_free(type->strct); - free(type->fields); - free(type); + jit_type_free(*typ_ptr); } -static size_t psi_jit_struct_type_pad(jit_type_t *els, size_t padding) +static inline jit_abi_t psi_jit_abi(zend_string *convention) { - size_t i; - - for (i = 0; i < padding; ++i) { - *els++ = jit_type_copy(jit_type_sys_char); + if (zend_string_equals_literal(convention, "stdcall")) { + return jit_abi_stdcall; } - - return padding; + if (zend_string_equals_literal(convention, "fastcall")) { + return jit_abi_fastcall; + } + return jit_abi_cdecl; } -static unsigned psi_jit_struct_type_elements(struct psi_decl_struct *strct, - jit_type_t **fields) +static void psi_jit_handler(jit_type_t sig, void *result, void **args, void *data) { - size_t i = 0, argc = psi_plist_count(strct->args), nels = 0, offset = 0, - maxalign = 0, last_arg_pos = -1; - struct psi_decl_arg *darg; - jit_type_t *tmp; - - *fields = calloc(argc + 1, sizeof(*fields)); - - while (psi_plist_get(strct->args, i++, &darg)) { - jit_type_t type; - size_t padding, alignment; - - if (darg->layout->pos == last_arg_pos) { - /* skip bit fields */ - continue; - } - last_arg_pos = darg->layout->pos; - - type = jit_type_copy(psi_jit_decl_arg_type(darg)); - - 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; - tmp = realloc(*fields, (argc + 1) * sizeof(*fields)); - if (tmp) { - *fields = tmp; - } else { - free(*fields); - return 0; - } - } - 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); - - assert(offset <= strct->size); - if (offset < strct->size) { - nels += psi_jit_struct_type_pad(&(*fields)[nels], strct->size - offset); - } + struct psi_impl *impl = data; + struct psi_jit_impl_info *info = impl->info; - return nels; + psi_context_call(info->context, *(zend_execute_data **)args[0], *(zval **) args[1], impl); } -static inline jit_type_t psi_jit_decl_type(struct psi_decl_type *type) + +static void psi_jit_callback(jit_type_t sig, void *result, void **args, void *data) { - struct psi_decl_type *real = psi_decl_type_get_real(type); + struct psi_jit_callback_info *cb_info = data; + struct psi_call_frame_callback cb_data; - switch (real->type) { - case PSI_T_STRUCT: - if (!real->real.strct->engine.type) { - unsigned count; - struct psi_jit_struct_type *type = calloc(1, sizeof(*type)); + assert(cb_info->impl_info->frame); - count = psi_jit_struct_type_elements(real->real.strct, &type->fields); - type->strct = jit_type_create_struct(type->fields, count, 0); + cb_data.cb = cb_info->let_exp; + cb_data.argc = jit_type_num_params(sig); + cb_data.argv = args; + cb_data.rval = result; - real->real.strct->engine.type = type; - real->real.strct->engine.dtor = psi_jit_struct_type_dtor; - } + psi_call_frame_do_callback(cb_info->impl_info->frame, &cb_data); +} - return ((struct psi_jit_struct_type *) real->real.strct->engine.type)->strct; +static bool psi_jit_load(void) +{ +#if HAVE_INT128 + jit_type_t ll_fields[2], ull_fields[2]; - 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); - } + ll_fields[0] = ll_fields[1] = jit_type_long; + jit_type_llong = jit_type_create_struct(ll_fields, 2, 1); - default: - return psi_jit_token_type(real->type); - } + ull_fields[0] = ull_fields[1] = jit_type_ulong; + jit_type_ullong = jit_type_create_struct(ull_fields, 2, 1); +#endif + return true; } -static inline jit_type_t psi_jit_decl_arg_type(struct psi_decl_arg *darg) + +static void psi_jit_free(void) { - if (darg->var->pointer_level) { - return jit_type_void_ptr; - } else { - return psi_jit_decl_type(darg->type); - } +#if HAVE_INT128 + jit_type_free(jit_type_llong); + jit_type_free(jit_type_ullong); +#endif } -static inline jit_abi_t psi_jit_abi(zend_string *convention) +static bool psi_jit_init(struct psi_context *C) { - if (zend_string_equals_literal(convention, "stdcall")) { - return jit_abi_stdcall; - } - if (zend_string_equals_literal(convention, "fastcall")) { - return jit_abi_fastcall; + struct psi_jit_context *context = pecalloc(1, sizeof(*context), 1); + jit_type_t params[] = {jit_type_void_ptr, jit_type_void_ptr}; + + context->jit = jit_context_create(); + if (!context->jit) { + pefree(context, 1); + return false; } - return jit_abi_cdecl; -} -struct psi_jit_context { - jit_context_t jit; - jit_type_t signature; -}; + context->signature = jit_type_create_signature(jit_abi_cdecl, jit_type_void, + params, 2, 1); + if (!context->signature) { + jit_context_destroy(context->jit); + pefree(context, 1); + return false; + } -struct psi_jit_impl_info { - struct psi_context *context; - struct psi_call_frame *frame; + C->context = context; + return true; +} - void *closure; -}; +static void psi_jit_dtor(struct psi_context *C) +{ + if (C->context) { + struct psi_jit_context *context = C->context; -struct psi_jit_callback_info { - struct psi_jit_impl_info *impl_info; - struct psi_let_exp *let_exp; + jit_type_free(context->signature); + jit_context_destroy(context->jit); - void *closure; -}; + pefree(C->context, 1); + C->context = NULL; + } +} -struct psi_jit_decl_info { - jit_type_t signature; - void *params[1]; -}; -static inline struct psi_jit_decl_info *psi_jit_decl_init(struct psi_decl *decl) { - if (!decl->info) { - size_t i, c = psi_plist_count(decl->args); - struct psi_decl_arg *arg; - struct psi_jit_decl_info *info = calloc(1, sizeof(*info) + 2 * c * sizeof(void *)); +static bool psi_jit_composite_init(struct psi_context *C, + struct psi_decl_arg *darg) +{ + struct psi_jit_struct_info *info; - for (i = 0; psi_plist_get(decl->args, i, &arg); ++i) { - info->params[i] = psi_jit_decl_arg_type(arg); - } - info->params[c] = NULL; + if (darg->engine.type) { + return true; + } - info->signature = jit_type_create_signature( - psi_jit_abi(decl->abi->convention), - psi_jit_decl_arg_type(decl->func), - (jit_type_t *) info->params, - c, 1); + info = pecalloc(1, sizeof(*info), 1); + info->eles = psi_plist_init((psi_plist_dtor) psi_jit_type_free); + info->strct = jit_type_create_struct((jit_type_t *) + psi_context_composite_type_elements(C, darg, &info->eles), + psi_plist_count(info->eles), 0); - if (!info->signature) { - free(info); - } else { - decl->info = info; - } - } + darg->engine.info = info; + darg->engine.type = info->strct; - return decl->info; + return true; } -static inline void psi_jit_decl_dtor(struct psi_decl *decl) { - if (decl->info) { - struct psi_jit_decl_info *info = decl->info; +static void psi_jit_composite_dtor(struct psi_context *C, + struct psi_decl_arg *darg) +{ + struct psi_jit_struct_info *info = darg->engine.info; - jit_type_free(info->signature); - free(info); - decl->info = NULL; + if (info) { + darg->engine.info = NULL; + darg->engine.type = NULL; + + jit_type_free(info->strct); + psi_plist_free(info->eles); + pefree(info, 1); } } -static void psi_jit_handler(jit_type_t sig, void *result, void **args, void *data) +static void psi_jit_extvar_get(jit_type_t sig, void *result, void **args, void *data) { - struct psi_impl *impl = data; - struct psi_jit_impl_info *info = impl->info; + struct psi_decl_extvar *evar = data; - psi_context_call(info->context, *(zend_execute_data **)args[0], *(zval **) args[1], impl); + psi_decl_extvar_get(evar, result); } -static void psi_jit_callback(jit_type_t sig, void *result, void **args, void *data) +static void psi_jit_extvar_set(jit_type_t sig, void *result, void **args, void *data) { - struct psi_jit_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 = jit_type_num_params(sig); - cb_data.argv = args; - cb_data.rval = result; + struct psi_decl_extvar *evar = data; - psi_call_frame_do_callback(cb_info->impl_info->frame, &cb_data); + psi_decl_extvar_set(evar, args[0]); } -static inline void psi_jit_callback_init(struct psi_jit_impl_info *impl_info, - struct psi_let_exp *let_exp) +static bool psi_jit_decl_init(struct psi_context *, struct psi_decl *); + +static bool psi_jit_extvar_init(struct psi_context *C, + struct psi_decl_extvar *evar) { - struct psi_jit_context *context = impl_info->context->context; - struct psi_jit_callback_info *cb_info; - struct psi_jit_decl_info *decl_info; - 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->info) { - decl_info = cb->decl->info; - } else { - decl_info = psi_jit_decl_init(cb->decl); - } + struct psi_jit_context *ctx = C->context; + struct psi_jit_extvar_info *info = pecalloc(1, sizeof(*info), 1); - cb_info = calloc(1, sizeof(*cb_info)); - cb_info->impl_info = impl_info; - cb_info->let_exp = let_exp; - cb_info->closure = jit_closure_create(context->jit, decl_info->signature, - &psi_jit_callback, cb_info); + evar->info = info; - if (!cb_info->closure) { - free(cb_info); - break; - } - cb->info = cb_info; + psi_jit_decl_init(C, evar->getter); + psi_jit_decl_init(C, evar->setter); - assert(!cb->decl->sym); - cb->decl->sym = cb_info->closure; - fn = cb->func; - /* no break */ + jit_context_build_start(ctx->jit); - case PSI_LET_FUNC: - if (!fn) { - fn = let_exp->data.func; - } - if (fn->inner) { - size_t i = 0; - struct psi_let_exp *inner_let; + info->get.signature = jit_type_create_signature(jit_abi_cdecl, + psi_context_decl_arg_full_type(C, evar->getter->func), NULL, 0, 1); + if (!info->get.signature) { + goto failure; + } + info->get.closure = jit_closure_create(ctx->jit, info->get.signature, + psi_jit_extvar_get, evar); + if (!info->get.closure) { + goto failure; + } - while (psi_plist_get(fn->inner, i++, &inner_let)) { - psi_jit_callback_init(impl_info, inner_let); - } - } - break; - default: - break; + info->set.params[0] = psi_context_decl_arg_call_type(C, evar->arg); + info->set.signature = jit_type_create_signature(jit_abi_cdecl, + psi_context_decl_arg_full_type(C, evar->setter->func), + info->set.params, 1, 1); + if (!info->set.signature) { + goto failure; + } + info->set.closure = jit_closure_create(ctx->jit, info->set.signature, + psi_jit_extvar_set, evar); + if (!info->set.closure) { + goto failure; } + + evar->getter->sym = info->get.closure; + evar->setter->sym = info->set.closure; + + jit_context_build_end(ctx->jit); + return true; +failure: ; + jit_context_build_end(ctx->jit); + return false; } -static inline void psi_jit_callback_dtor(struct psi_let_exp *let_exp) { - struct psi_let_callback *cb; - struct psi_let_func *fn = NULL; +static void psi_jit_extvar_dtor(struct psi_context *C, + struct psi_decl_extvar *evar) { + if (evar->info) { + pefree(evar->info, 1); + evar->info = NULL; + } +} - switch (let_exp->kind) { - case PSI_LET_CALLBACK: - cb = let_exp->data.callback; +static bool psi_jit_decl_init(struct psi_context *C, struct psi_decl *decl) +{ + if (!decl->info) { + struct psi_jit_context *ctx = C->context; + size_t i, c = psi_plist_count(decl->args); + struct psi_decl_arg *arg; + struct psi_jit_decl_info *info = pecalloc(1, + sizeof(*info) + 2 * c * sizeof(void *), 1); - psi_jit_decl_dtor(cb->decl); + decl->info = info; - if (cb->info) { - struct psi_jit_callback_info *info = cb->info; + jit_context_build_start(ctx->jit); - if (info->closure) { - /* The memory for the closure will be reclaimed when the context is destroyed. - free(info->closure); */ - } - free(info); - cb->info = NULL; - } - fn = cb->func; - /* no break */ - case PSI_LET_FUNC: - if (!fn) { - fn = let_exp->data.func; + for (i = 0; psi_plist_get(decl->args, i, &arg); ++i) { + info->params[i] = psi_context_decl_arg_call_type(C, arg); } + info->params[c] = NULL; + + info->signature = jit_type_create_signature( + psi_jit_abi(decl->abi->convention), + psi_context_decl_arg_full_type(C, decl->func), + (jit_type_t *) info->params, c, 1); - if (fn->inner) { - size_t i = 0; - struct psi_let_exp *cb; + jit_context_build_end(ctx->jit); - while (psi_plist_get(fn->inner, i++, &cb)) { - psi_jit_callback_dtor(cb); - } + if (!info->signature) { + pefree(info, 1); + decl->info = NULL; + return false; } - break; - default: - break; + } + + return true; +} + +static void psi_jit_decl_dtor(struct psi_context *C, struct psi_decl *decl) { + if (decl->info) { + struct psi_jit_decl_info *info = decl->info; + + jit_type_free(info->signature); + pefree(info, 1); + decl->info = NULL; } } -static inline struct psi_jit_impl_info *psi_jit_impl_init(struct psi_impl * impl, - struct psi_context *C) +static bool psi_jit_impl_init(struct psi_context *C, + struct psi_impl *impl, zif_handler *zh) { struct psi_jit_context *context = C->context; struct psi_jit_impl_info *info = calloc(1, sizeof(*info)); - struct psi_let_stmt *let; - size_t l = 0; + impl->info = info; info->context = C; + info->closure = jit_closure_create(context->jit, context->signature, &psi_jit_handler, impl); if (!info->closure) { - free(info); - return NULL; + goto failure; } - while (psi_plist_get(impl->stmts.let, l++, &let)) { - psi_jit_callback_init(info, let->exp); - } + *zh = info->closure; + return true; - return impl->info = info; +failure: ; + impl->info = NULL; + pefree(info, 1); + return false; } -static inline void psi_jit_impl_dtor(struct psi_impl *impl) { +static void psi_jit_impl_dtor(struct psi_context *C, struct psi_impl *impl) { struct psi_jit_impl_info *info = impl->info; - struct psi_let_stmt *let; - size_t j = 0; - - while (psi_plist_get(impl->stmts.let, j++, &let)) { - psi_jit_callback_dtor(let->exp); - } if (info) { - if (info->closure) { - /* The memory for the closure will be reclaimed when the context is destroyed. - free(info->closure); */ - } - free(info); + /* The memory for the closure will be reclaimed + * when the context is destroyed. + */ + pefree(info, 1); impl->info = NULL; } } -static inline struct psi_jit_context *psi_jit_context_init( - struct psi_jit_context *L) +static bool psi_jit_cb_init(struct psi_context *C, + struct psi_let_exp *exp, struct psi_impl *impl) { - jit_type_t params[] = {jit_type_void_ptr, jit_type_void_ptr}; - - if (!L) { - L = malloc(sizeof(*L)); - } - memset(L, 0, sizeof(*L)); - - L->jit = jit_context_create(); - L->signature = jit_type_create_signature(jit_abi_cdecl, jit_type_void, - params, 2, 1); - - return L; -} + struct psi_jit_context *context = C->context; + struct psi_jit_callback_info *cb_info; + struct psi_jit_decl_info *decl_info; -static inline void psi_jit_context_dtor(struct psi_jit_context *L) -{ - jit_type_free(L->signature); - jit_context_destroy(L->jit); -} + assert(exp->kind == PSI_LET_CALLBACK); -static inline void psi_jit_context_free(struct psi_jit_context **L) -{ - if (*L) { - psi_jit_context_dtor(*L); - free(*L); - *L = NULL; + if (!psi_jit_decl_init(C, exp->data.callback->decl)) { + return false; } -} -static void psi_jit_init(struct psi_context *C) -{ - C->context = psi_jit_context_init(NULL); -} + cb_info = pecalloc(1, sizeof(*cb_info), 1); + cb_info->impl_info = impl->info; + cb_info->let_exp = exp; -static void psi_jit_dtor(struct psi_context *C) -{ - if (C->decls) { - size_t i = 0; - struct psi_decl *decl; + decl_info = exp->data.callback->decl->info; + cb_info->closure = jit_closure_create(context->jit, decl_info->signature, + &psi_jit_callback, cb_info); - while (psi_plist_get(C->decls, i++, &decl)) { - psi_jit_decl_dtor(decl); - } + if (!cb_info->closure) { + free(cb_info); + return false; } - if (C->impls) { - size_t i = 0; - struct psi_impl *impl; - while (psi_plist_get(C->impls, i++, &impl)) { - psi_jit_impl_dtor(impl); - } - } - psi_jit_context_free((void *) &C->context); + assert(!exp->data.callback->decl->sym); + exp->data.callback->info = cb_info; + exp->data.callback->decl->sym = cb_info->closure; + + return true; } -static zend_function_entry *psi_jit_compile(struct psi_context *C) +static void psi_jit_cb_dtor(struct psi_context *C, + struct psi_let_exp *let_exp, struct psi_impl *impl) { - size_t i = 0, d = 0, nf = 0; - struct psi_impl *impl; - struct psi_decl *decl; - zend_function_entry *zfe; - struct psi_jit_context *ctx = C->context; - - if (!C->impls) { - return NULL; - } + assert(let_exp->kind == PSI_LET_CALLBACK); - zfe = calloc(psi_plist_count(C->impls) + 1, sizeof(*zfe)); - jit_context_build_start(ctx->jit); + psi_jit_decl_dtor(C, let_exp->data.callback->decl); - while (psi_plist_get(C->impls, i++, &impl)) { - zend_function_entry *zf = &zfe[nf]; + if (let_exp->data.callback->info) { + struct psi_jit_callback_info *info = let_exp->data.callback->info; - if (!impl->decl) { - continue; - } - if (!psi_jit_decl_init(impl->decl)) { - continue; - } - if (!psi_jit_impl_init(impl, C)) { - continue; - } - - zf->fname = impl->func->name->val + (impl->func->name->val[0] == '\\'); - zf->handler = ((struct psi_jit_impl_info *) impl->info)->closure; - zf->num_args = psi_plist_count(impl->func->args); - zf->arg_info = psi_internal_arginfo(impl); - ++nf; + /* The memory for the closure will be reclaimed + * when the context is destroyed. + */ + pefree(info, 1); + let_exp->data.callback->info = NULL; } - - while (psi_plist_get(C->decls, d++, &decl)) { - if (decl->info) { - continue; - } - - psi_jit_decl_init(decl); - } - - jit_context_build_end(ctx->jit); - - return zfe; } -static inline void psi_jit_call_ex(struct psi_call_frame *frame) { +static void psi_jit_call(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_jit_decl_info *decl_info = decl->info; @@ -590,7 +502,7 @@ static inline void psi_jit_call_ex(struct psi_call_frame *frame) { } } -static inline void psi_jit_call_va(struct psi_call_frame *frame) { +static void psi_jit_call_va(struct psi_call_frame *frame) { jit_type_t signature; struct psi_call_frame *prev; struct psi_decl *decl = psi_call_frame_get_decl(frame); @@ -613,8 +525,7 @@ static inline void psi_jit_call_va(struct psi_call_frame *frame) { signature = jit_type_create_signature(jit_abi_vararg, jit_type_get_return(decl_info->signature), - param_types, argc + va_count, - 1); + param_types, argc + va_count, 1); assert(signature); if (impl) { @@ -634,56 +545,50 @@ static inline void psi_jit_call_va(struct psi_call_frame *frame) { efree(param_types); } -static void psi_jit_call(struct psi_call_frame *frame) { - if (psi_call_frame_num_var_args(frame)) { - psi_jit_call_va(frame); - } else { - psi_jit_call_ex(frame); - } +static void *psi_jit_typeof_impl(struct psi_context *C, token_t impl_type) +{ + return psi_jit_impl_type(impl_type); } -static void *psi_jit_query(struct psi_context *C, enum psi_context_query q, - void *arg) +static void *psi_jit_typeof_decl(struct psi_context *C, token_t decl_type) { - switch (q) { - case PSI_CONTEXT_QUERY_SELF: - return "jit"; - case PSI_CONTEXT_QUERY_TYPE: - return psi_jit_impl_type(*(token_t *) arg); - } - return NULL; + return psi_jit_token_type(decl_type); } -static ZEND_RESULT_CODE psi_jit_load(void) +static void *psi_jit_copyof_type(struct psi_context *C, void *orig_type) { -#if HAVE_INT128 - jit_type_t ll_fields[2], ull_fields[2]; - - ll_fields[0] = ll_fields[1] = jit_type_long; - jit_type_llong = jit_type_create_struct(ll_fields, 2, 1); - - ull_fields[0] = ull_fields[1] = jit_type_ulong; - jit_type_ullong = jit_type_create_struct(ull_fields, 2, 1); -#endif - return SUCCESS; + return jit_type_copy(orig_type); } -static void psi_jit_free(void) +static void psi_jit_layoutof_type(struct psi_context *C, void *orig_type, + struct psi_layout *l) { -#if HAVE_INT128 - jit_type_free(jit_type_llong); - jit_type_free(jit_type_ullong); -#endif + l->pos = jit_type_get_alignment(orig_type); + l->len = jit_type_get_size(orig_type); } static struct psi_context_ops ops = { + "libjit", psi_jit_load, psi_jit_free, psi_jit_init, psi_jit_dtor, - psi_jit_compile, + psi_jit_composite_init, + psi_jit_composite_dtor, + psi_jit_extvar_init, + psi_jit_extvar_dtor, + psi_jit_decl_init, + psi_jit_decl_dtor, + psi_jit_impl_init, + psi_jit_impl_dtor, + psi_jit_cb_init, + psi_jit_cb_dtor, psi_jit_call, - psi_jit_query + psi_jit_call_va, + psi_jit_typeof_impl, + psi_jit_typeof_decl, + psi_jit_copyof_type, + psi_jit_layoutof_type, }; struct psi_context_ops *psi_libjit_ops(void) diff --git a/src/types/decl.h b/src/types/decl.h index 08380b1..c859daf 100644 --- a/src/types/decl.h +++ b/src/types/decl.h @@ -38,6 +38,7 @@ struct psi_decl { zend_string *redir; void *sym; void *info; + void *type; unsigned varargs:1; unsigned extvar:1; }; diff --git a/src/types/decl_arg.h b/src/types/decl_arg.h index b48125b..143c8fe 100644 --- a/src/types/decl_arg.h +++ b/src/types/decl_arg.h @@ -39,6 +39,10 @@ struct psi_decl_arg { struct psi_decl_type *type; struct psi_decl_var *var; struct psi_layout *layout; + struct { + void *info; + void *type; + } engine; }; struct psi_decl_arg *psi_decl_arg_init(struct psi_decl_type *type, struct psi_decl_var *var); diff --git a/src/types/decl_struct.c b/src/types/decl_struct.c index d17895a..d2a211d 100644 --- a/src/types/decl_struct.c +++ b/src/types/decl_struct.c @@ -47,9 +47,6 @@ void psi_decl_struct_free(struct psi_decl_struct **s_ptr) if (s->args) { psi_plist_free(s->args); } - if (s->engine.type && s->engine.dtor) { - s->engine.dtor(s->engine.type); - } zend_string_release(s->name); free(s); } diff --git a/src/types/decl_struct.h b/src/types/decl_struct.h index 01f6595..7c379aa 100644 --- a/src/types/decl_struct.h +++ b/src/types/decl_struct.h @@ -38,10 +38,6 @@ struct psi_decl_struct { struct psi_plist *args; size_t size; size_t align; - struct { - void *type; - void (*dtor)(void *type); - } engine; }; struct psi_decl_struct *psi_decl_struct_init(zend_string *name, struct psi_plist *args); diff --git a/src/types/decl_type.c b/src/types/decl_type.c index 1445c35..66fb5f4 100644 --- a/src/types/decl_type.c +++ b/src/types/decl_type.c @@ -336,6 +336,7 @@ void psi_decl_type_dump(struct psi_dump *dump, struct psi_decl_type *t, unsigned case PSI_T_STRUCT: PSI_DUMP(dump, "struct "); if (psi_decl_type_is_anon(t->name, "struct")) { + PSI_DUMP(dump, "/*::(%zu, %zu)*/", t->real.strct->align, t->real.strct->size); psi_decl_type_dump_args_with_layout(dump, t->real.strct->args, level); return; } diff --git a/tests/parser/validate003.phpt b/tests/parser/validate003.phpt index f597d24..30e1cdc 100644 --- a/tests/parser/validate003.phpt +++ b/tests/parser/validate003.phpt @@ -15,4 +15,12 @@ psi_validate_string("typedef long int;"); ===TEST=== Warning: PSI syntax error, unexpected ;, expecting %s at col 17 in %s on line 1 + +Warning: PSI preceding token 'typedef' at col 1 in on line 1 + +Warning: PSI preceding token 'long' at col 9 in on line 1 + +Warning: PSI preceding token 'int' at col 14 in on line 1 + +Warning: PSI offending token ';' at col 17 in on line 1 ===DONE=== -- 2.30.2