X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fext-psi;a=blobdiff_plain;f=src%2Flibjit.c;h=513d5477e63b73b7ad8194c2f1f56c1fd01375fc;hp=fd68c5089af636202d537c2cf76b858a69939b1c;hb=7a210012b049742d95928175e4ebb0e565f9bda7;hpb=7474b3e23338ea03bcd65551959e2582cc455f9f diff --git a/src/libjit.c b/src/libjit.c index fd68c50..513d547 100644 --- a/src/libjit.c +++ b/src/libjit.c @@ -1,44 +1,77 @@ +/******************************************************************************* + Copyright (c) 2016, 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. + *******************************************************************************/ + +#include "php_psi_stdinc.h" +#include "context.h" +#include "call.h" #include "php.h" -#include "php_psi.h" -#include "libjit.h" + +#ifdef HAVE_LIBJIT #include -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) +{ + if (!strcasecmp(convention, "stdcall")) { + return jit_abi_stdcall; + } + if (!strcasecmp(convention, "fastcall")) { + return jit_abi_fastcall; + } 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); + 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: + case PSI_T_ENUM: return jit_type_sys_int; case PSI_T_LONG: return jit_type_sys_long; @@ -46,12 +79,150 @@ static inline jit_type_t psi_jit_type(token_t t) { return jit_type_sys_float; case PSI_T_DOUBLE: return jit_type_sys_double; +#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; +} + +struct psi_jit_struct_type { + jit_type_t strct; + jit_type_t *fields; +}; + +static void psi_jit_struct_type_dtor(void *ptr) +{ + struct psi_jit_struct_type *type = ptr; + jit_type_t strct = type->strct; + unsigned i, n = jit_type_num_fields(strct); + + for (i = 0; i < n; ++i) { + jit_type_t field = jit_type_get_field(strct, i); + + jit_type_free(field); + } + jit_type_free(strct); + free(type->fields); + free(type); +} + +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 = 0, last_arg_pos = -1; + struct psi_decl_arg *darg; + + *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; + *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); + + 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_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; + struct psi_jit_struct_type *type = calloc(1, sizeof(*type)); + jit_type_t strct, *fields = NULL; + + count = psi_jit_struct_type_elements(real->real.strct, &type->fields); + type->strct = jit_type_create_struct(type->fields, count, 0); + + real->real.strct->engine.type = type; + 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 { @@ -59,60 +230,106 @@ static inline jit_type_t psi_jit_decl_arg_type(decl_arg *darg) { } } -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_LibjitData { - PSI_LibjitContext *context; - impl *impl; - zend_internal_arg_info *arginfo; +}; + +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]; -} PSI_LibjitData; + 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; -static inline PSI_LibjitData *PSI_LibjitDataAlloc(PSI_LibjitContext *context, impl *impl) { - size_t i, c = impl->decl->args->count; - PSI_LibjitData *data = malloc(sizeof(*data) + (c ? c-1 : c) * sizeof(jit_type_t)); + cbdata.cb = call->impl.cb.let_exp; + cbdata.argc = jit_type_num_params(sig); + cbdata.argv = args; + cbdata.rval = result; - data->context = context; - data->impl = impl; - data->arginfo = psi_internal_arginfo(impl); - for (i = 0; i < c; ++i) { - data->params[i] = psi_jit_decl_arg_type(impl->decl->args->args[i]); + psi_call_frame_do_callback(impl_call->impl.fn.frame, &cbdata); +} + +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; + + call->signature = jit_type_create_signature( + psi_jit_abi(decl->abi->convention), + psi_jit_decl_arg_type(decl->func), + (jit_type_t *) call->params, + c, 1); + assert(call->signature); + + return call; +} + +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); +} - 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); - data->closure = jit_closure_create(context->jit, context->signature, &psi_jit_handler, data); +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; - context->data.list = realloc(context->data.list, ++context->data.count * sizeof(*context->data.list)); - context->data.list[context->data.count-1] = data; + call->impl.cb.let_exp = cb; + call->impl.cb.impl_call = impl_call; - return data; + return call->closure = jit_closure_create(context->jit, call->signature, + &psi_jit_callback, call); } -static inline void PSI_LibjitDataFree(PSI_LibjitData *data) { - free(data->arginfo); - jit_type_free(data->signature); - free(data); +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)); @@ -120,110 +337,181 @@ static inline PSI_LibjitContext *PSI_LibjitContextInit(PSI_LibjitContext *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); + L->signature = jit_type_create_signature(jit_abi_cdecl, jit_type_void, + params, 2, 1); return L; } -static inline void PSI_LibjitContextDtor(PSI_LibjitContext *L) { - size_t i; - - for (i = 0; i < L->data.count; ++i) { - PSI_LibjitDataFree(L->data.list[i]); - } - if (L->data.list) { - free(L->data.list); - } +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_LibjitData *data = _data; - size_t i; - void **arg_prm = NULL; - impl_val ret_val; - - if (SUCCESS != psi_parse_args(*(zend_execute_data **)_args[0], data->impl)) { - return; - } + C->context = psi_jit_context_init(NULL); +} - if (data->impl->decl->args->count) { - arg_prm = malloc(data->impl->decl->args->count * sizeof(*arg_prm)); +static inline void psi_jit_destroy_callbacks(struct psi_context *C, + struct psi_let_exp *let_exp) +{ + struct psi_let_callback *cb; + struct psi_let_func *fn = NULL; - for (i = 0; i < data->impl->decl->args->count; ++i) { - decl_arg *darg = data->impl->decl->args->args[i]; + switch (let_exp->kind) { + case PSI_LET_CALLBACK: + cb = let_exp->data.callback; - arg_prm[i] = psi_do_let(darg); + 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; } - } - - jit_apply(data->signature, data->impl->decl->dlptr, arg_prm, data->impl->decl->args->count, &ret_val); - - psi_do_return(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]; + if (fn->inner) { + size_t i = 0; + struct psi_let_exp *inner_let; - if (set->arg->_zv) { - psi_do_set(set->arg->_zv, set->val->func, set->val->vars); + while (psi_plist_get(fn->inner, i++, &inner_let)) { + psi_jit_destroy_callbacks(C, inner_let); + } } + break; + default: + break; } +} - for (i = 0; i < data->impl->stmts->fre.count; ++i) { - free_stmt *fre = data->impl->stmts->fre.list[i]; - - psi_do_free(fre); +static void psi_jit_dtor(struct psi_context *C) +{ + if (C->decls) { + size_t i = 0; + struct psi_decl *decl; + + while (psi_plist_get(C->decls, i++, &decl)) { + if (decl->info) { + psi_jit_call_free(decl->info); + } + } } + if (C->impls) { + size_t i = 0; + struct psi_impl *impl; - psi_do_clean(data->impl); + while (psi_plist_get(C->impls, i++, &impl)) { + size_t l = 0; + struct psi_let_stmt *let; - if (arg_prm) { - free(arg_prm); + while (psi_plist_get(impl->stmts.let, l++, &let)) { + psi_jit_destroy_callbacks(C, let->exp); + } + } } + psi_jit_context_free((void *) &C->context); } -static void psi_jit_init(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) { - C->context = PSI_LibjitContextInit(NULL); -} + 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; -static void psi_jit_dtor(PSI_Context *C) -{ - PSI_LibjitContextFree((void *) &C->context); + 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(PSI_Context *C, PSI_Data *D) +static zend_function_entry *psi_jit_compile(struct psi_context *C) { - size_t i, j = 0; - zend_function_entry *zfe = calloc(D->impls->count + 1, sizeof(*zfe)); - PSI_LibjitContext *ctx = C->context; + 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; + } + zfe = calloc(psi_plist_count(C->impls) + 1, sizeof(*zfe)); jit_context_build_start(ctx->jit); - for (i = 0; i < D->impls->count; ++i) { - zend_function_entry *zf = &zfe[j]; - PSI_LibjitData *data; + 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; + } + 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->handler = call->closure; + zf->num_args = psi_plist_count(impl->func->args); + zf->arg_info = psi_internal_arginfo(impl); + ++nf; + + while (psi_plist_get(impl->stmts.let, l++, &let)) { + psi_jit_compile_callbacks(C, call, let->exp); + } + } - if (!D->impls->list[i]->decl) { + while (psi_plist_get(C->decls, d++, &decl)) { + if (decl->info) { continue; } - data = PSI_LibjitDataAlloc(ctx, D->impls->list[i]); - zf->fname = D->impls->list[i]->func->name + (D->impls->list[i]->func->name[0] == '\\'); - zf->num_args = D->impls->list[i]->func->args->count; - zf->handler = data->closure; - zf->arg_info = data->arginfo; - ++j; + psi_jit_call_alloc(C, decl); } jit_context_build_end(ctx->jit); @@ -231,13 +519,60 @@ static zend_function_entry *psi_jit_compile(PSI_Context *C, PSI_Data *D) return zfe; } -static PSI_ContextOps ops = { - psi_jit_init, - psi_jit_dtor, - psi_jit_compile, -}; +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; + + call->impl.fn.frame = frame; + jit_apply(call->signature, decl->sym, args, psi_plist_count(decl->args), rval); + call->impl.fn.frame = prev; +} + +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)); -PSI_ContextOps *PSI_Libjit(void) + signature = jit_type_create_signature(jit_abi_vararg, + jit_type_get_return(info->signature), param_types, argc + va_count, + 1); + 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}; + +struct psi_context_ops *psi_libjit_ops(void) { return &ops; } + +#endif /* HAVE_LIBJIT */