X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fext-psi;a=blobdiff_plain;f=src%2Fmodule.c;h=20b25ead45afe0d7b248dbc82c3aea537b1cee3f;hp=03d9d8350f3c0b0412cfd6833b403d6e90b5d3a6;hb=7a717dad32d06fe5273ad3a9ce755908723f6685;hpb=7474b3e23338ea03bcd65551959e2582cc455f9f diff --git a/src/module.c b/src/module.c index 03d9d83..20b25ea 100644 --- a/src/module.c +++ b/src/module.c @@ -10,14 +10,22 @@ #include "php_psi.h" #include "parser.h" -#include "libjit.h" -#include "libffi.h" +#if HAVE_LIBJIT +# include "libjit.h" +# ifndef HAVE_LIBFFI +# define PSI_ENGINE "jit" +# endif +#endif +#if HAVE_LIBFFI +# include "libffi.h" +# define PSI_ENGINE "ffi" +#endif ZEND_DECLARE_MODULE_GLOBALS(psi); PHP_INI_BEGIN() - STD_PHP_INI_ENTRY("psi.engine", "ffi", PHP_INI_SYSTEM, OnUpdateString, engine, zend_psi_globals, psi_globals) - STD_PHP_INI_ENTRY("psi.directory", "psis", PHP_INI_SYSTEM, OnUpdateString, directory, zend_psi_globals, psi_globals) + STD_PHP_INI_ENTRY("psi.engine", PSI_ENGINE, PHP_INI_SYSTEM, OnUpdateString, engine, zend_psi_globals, psi_globals) + STD_PHP_INI_ENTRY("psi.directory", "psi.d", PHP_INI_SYSTEM, OnUpdateString, directory, zend_psi_globals, psi_globals) PHP_INI_END(); void psi_error(int type, const char *msg, ...) @@ -32,13 +40,115 @@ void psi_error(int type, const char *msg, ...) php_error(type, buf); } +size_t psi_t_alignment(token_t t) +{ + size_t align; +#define PSI_TAS_D(T) struct PSI_TAS_ ##T { \ + char c; \ + T x; \ +} +#define PSI_TAS_P(T) struct PSI_TAS_ ## T ## _pointer { \ + char c; \ + T *x; \ +} +#define PSI_TAS_C(T) align = offsetof(struct PSI_TAS_ ##T, x) +#define PSI_TAS_CASE(T) { \ + PSI_TAS_D(T); \ + PSI_TAS_C(T); \ +} + switch (t) { + case PSI_T_INT8: + PSI_TAS_CASE(int8_t); + break; + case PSI_T_UINT8: + PSI_TAS_CASE(uint8_t); + break; + case PSI_T_INT16: + PSI_TAS_CASE(int16_t); + break; + case PSI_T_UINT16: + PSI_TAS_CASE(uint16_t); + break; + case PSI_T_INT32: + PSI_TAS_CASE(int32_t); + break; + case PSI_T_UINT32: + PSI_TAS_CASE(uint32_t); + break; + case PSI_T_INT64: + PSI_TAS_CASE(int64_t); + break; + case PSI_T_UINT64: + PSI_TAS_CASE(uint64_t); + break; + case PSI_T_FLOAT: + PSI_TAS_CASE(float); + break; + case PSI_T_DOUBLE: + PSI_TAS_CASE(double); + break; + case PSI_T_POINTER: + { + PSI_TAS_P(char); + PSI_TAS_C(char_pointer); + } + break; + EMPTY_SWITCH_DEFAULT_CASE(); + } + + return align; +} + +size_t psi_t_size(token_t t) +{ + size_t size; + + switch (t) { + case PSI_T_INT8: + case PSI_T_UINT8: + size = 1; + break; + case PSI_T_INT16: + case PSI_T_UINT16: + size = 2; + break; + case PSI_T_INT: + size = sizeof(int); + break; + case PSI_T_INT32: + case PSI_T_UINT32: + size = 4; + break; + case PSI_T_INT64: + case PSI_T_UINT64: + size = 8; + break; + case PSI_T_FLOAT: + size = sizeof(float); + break; + case PSI_T_DOUBLE: + size = sizeof(double); + break; + case PSI_T_POINTER: + size = sizeof(char *); + break; + EMPTY_SWITCH_DEFAULT_CASE(); + } + return size; +} + +size_t psi_t_align(token_t t, size_t s) +{ + size_t a = psi_t_alignment(t); + return ((s - 1) | (a - 1)) + 1; +} + int psi_internal_type(impl_type *type) { switch (type->type) { case PSI_T_BOOL: return _IS_BOOL; case PSI_T_INT: - case PSI_T_LONG: return IS_LONG; case PSI_T_FLOAT: case PSI_T_DOUBLE: @@ -94,42 +204,63 @@ size_t psi_num_min_args(impl *impl) return n; } -void psi_to_int(zval *return_value, token_t t, impl_val *ret_val, decl_var *var) +void psi_to_bool(zval *return_value, token_t t, impl_val *ret_val, set_value *set, decl_var *var) { + impl_val *v = deref_impl_val(ret_val, var); + switch (t) { case PSI_T_FLOAT: - RETVAL_DOUBLE((double) deref_impl_val(ret_val, var)->fval); - convert_to_long(return_value); + RETVAL_DOUBLE((double) v->fval); break; case PSI_T_DOUBLE: - RETVAL_DOUBLE(deref_impl_val(ret_val, var)->dval); - convert_to_long(return_value); + RETVAL_DOUBLE(v->dval); break; default: - RETVAL_LONG(deref_impl_val(ret_val, var)->lval); + RETVAL_LONG(v->lval); + break; } + convert_to_boolean(return_value); } -void psi_to_double(zval *return_value, token_t t, impl_val *ret_val, decl_var *var) +void psi_to_int(zval *return_value, token_t t, impl_val *ret_val, set_value *set, decl_var *var) { + impl_val *v = deref_impl_val(ret_val, var); + switch (t) { case PSI_T_FLOAT: - RETVAL_DOUBLE((double) deref_impl_val(ret_val, var)->fval); + RETVAL_DOUBLE((double) v->fval); break; case PSI_T_DOUBLE: - RETVAL_DOUBLE(deref_impl_val(ret_val, var)->dval); + RETVAL_DOUBLE(v->dval); break; default: - RETVAL_DOUBLE((double) deref_impl_val(ret_val, var)->lval); + RETVAL_LONG(v->lval); + return; + } + convert_to_long(return_value); +} + +void psi_to_double(zval *return_value, token_t t, impl_val *ret_val, set_value *set, decl_var *var) +{ + impl_val *v = deref_impl_val(ret_val, var); + + switch (t) { + case PSI_T_FLOAT: + RETVAL_DOUBLE((double) v->fval); + break; + case PSI_T_DOUBLE: + RETVAL_DOUBLE(v->dval); + break; + default: + RETVAL_DOUBLE((double) v->lval); break; } } -void psi_to_string(zval *return_value, token_t t, impl_val *ret_val, decl_var *var) +void psi_to_string(zval *return_value, token_t t, impl_val *ret_val, set_value *set, decl_var *var) { switch (t) { - case PSI_T_CHAR: - case PSI_T_SINT8: + case PSI_T_INT8: case PSI_T_UINT8: if (!var->arg->var->pointer_level) { RETVAL_STRINGL(&ret_val->cval, 1); @@ -141,151 +272,20 @@ void psi_to_string(zval *return_value, token_t t, impl_val *ret_val, decl_var *v RETVAL_EMPTY_STRING(); } } - break; + return; case PSI_T_FLOAT: RETVAL_DOUBLE((double) deref_impl_val(ret_val, var)->fval); - convert_to_string(return_value); break; case PSI_T_DOUBLE: RETVAL_DOUBLE(deref_impl_val(ret_val, var)->dval); - convert_to_string(return_value); break; default: RETVAL_LONG(deref_impl_val(ret_val, var)->lval); - convert_to_string(return_value); - break; - } -} - -size_t psi_t_alignment(token_t t) -{ - size_t align; -#define PSI_TAS_D(T) struct PSI_TAS_ ##T { \ - char c; \ - T x; \ -} -#define PSI_TAS_P(T) struct PSI_TAS_ ## T ## _pointer { \ - char c; \ - T *x; \ -} -#define PSI_TAS_C(T) align = offsetof(struct PSI_TAS_ ##T, x) -#define PSI_TAS_CASE(T) { \ - PSI_TAS_D(T); \ - PSI_TAS_C(T); \ -} - switch (t) { - case PSI_T_CHAR: - PSI_TAS_CASE(char); - break; - case PSI_T_SINT8: - PSI_TAS_CASE(int8_t); - break; - case PSI_T_UINT8: - PSI_TAS_CASE(uint8_t); - break; - case PSI_T_SHORT: - PSI_TAS_CASE(short); - break; - case PSI_T_SINT16: - PSI_TAS_CASE(int16_t); - break; - case PSI_T_UINT16: - PSI_TAS_CASE(uint16_t); - break; - case PSI_T_INT: - PSI_TAS_CASE(int); - break; - case PSI_T_SINT32: - PSI_TAS_CASE(int32_t); - break; - case PSI_T_UINT32: - PSI_TAS_CASE(uint32_t); - break; - case PSI_T_LONG: - PSI_TAS_CASE(long); - break; - case PSI_T_SINT64: - PSI_TAS_CASE(int64_t); - break; - case PSI_T_UINT64: - PSI_TAS_CASE(uint64_t); - break; - case PSI_T_FLOAT: - PSI_TAS_CASE(float); - break; - case PSI_T_DOUBLE: - PSI_TAS_CASE(double); - break; - case PSI_T_SIZE_T: - PSI_TAS_CASE(size_t); - break; - case PSI_T_POINTER: - { - PSI_TAS_P(char); - PSI_TAS_C(char_pointer); - } - break; - EMPTY_SWITCH_DEFAULT_CASE(); - } - - return align; -} - -size_t psi_t_size(token_t t) -{ - size_t size; - - switch (t) { - case PSI_T_CHAR: - size = sizeof(char); - break; - case PSI_T_SINT8: - case PSI_T_UINT8: - size = 1; - break; - case PSI_T_SHORT: - size = sizeof(short); - break; - case PSI_T_SINT16: - case PSI_T_UINT16: - size = 2; - break; - case PSI_T_INT: - size = sizeof(int); - break; - case PSI_T_SINT32: - case PSI_T_UINT32: - size = 4; - break; - case PSI_T_LONG: - size = sizeof(long); break; - case PSI_T_SINT64: - case PSI_T_UINT64: - size = 8; - break; - case PSI_T_FLOAT: - size = sizeof(float); - break; - case PSI_T_DOUBLE: - size = sizeof(double); - break; - case PSI_T_SIZE_T: - size = sizeof(size_t); - break; - case PSI_T_POINTER: - size = sizeof(char *); - break; - EMPTY_SWITCH_DEFAULT_CASE(); } - return size; + convert_to_string(return_value); } -size_t psi_t_align(token_t t, size_t s) -{ - size_t a = psi_t_alignment(t); - return ((s - 1) | (a - 1)) + 1; -} static impl_val *iterate(impl_val *val, token_t t, unsigned i, impl_val *tmp) { @@ -307,8 +307,7 @@ void psi_from_zval(impl_val *mem, decl_arg *spec, zval *zv, void **tmp) case PSI_T_DOUBLE: mem->dval = zval_get_double(zv); break; - case PSI_T_CHAR: - case PSI_T_SINT8: + case PSI_T_INT8: case PSI_T_UINT8: if (spec->var->pointer_level) { zend_string *zs = zval_get_string(zv); @@ -325,11 +324,10 @@ void psi_from_zval(impl_val *mem, decl_arg *spec, zval *zv, void **tmp) void *psi_array_to_struct(decl_struct *s, HashTable *arr) { - size_t i, j = 0, size = decl_struct_size(s); - char *mem = ecalloc(1, size + s->args->count * sizeof(void *)); + size_t i, j = 0; + char *mem = ecalloc(1, s->size + s->args->count * sizeof(void *)); if (arr) for (i = 0; i < s->args->count; ++i) { - decl_struct_layout *layout = &s->layout[i]; decl_arg *darg = s->args->args[i]; zval *entry = zend_hash_str_find_ind(arr, darg->var->name, strlen(darg->var->name)); @@ -339,16 +337,16 @@ void *psi_array_to_struct(decl_struct *s, HashTable *arr) memset(&tmp, 0, sizeof(tmp)); psi_from_zval(&val, darg, entry, &tmp); - memcpy(mem + layout->pos, &val, layout->len); + memcpy(mem + darg->layout->pos, &val, darg->layout->len); if (tmp) { - ((void **)(mem + size))[j++] = tmp; + ((void **)(mem + s->size))[j++] = tmp; } } } return mem; } -void psi_to_array(zval *return_value, token_t t, impl_val *ret_val, decl_var *var) +void psi_to_array(zval *return_value, token_t t, impl_val *ret_val, set_value *set, decl_var *var) { zval ele; unsigned i; @@ -361,33 +359,73 @@ void psi_to_array(zval *return_value, token_t t, impl_val *ret_val, decl_var *va ret_val = deref_impl_val(ret_val, var); ZEND_ASSERT(s); - for (i = 0; i < s->args->count; ++i) { - decl_arg *darg = s->args->args[i]; - decl_struct_layout layout = s->layout[i]; - impl_val tmp; - zval ztmp; - char *ptr = (char *) ret_val->ptr + layout.pos; - memset(&tmp, 0, sizeof(tmp)); - memcpy(&tmp, ptr, layout.len); - switch (real_decl_type(darg->type)->type) { - case PSI_T_CHAR: - if (darg->var->pointer_level) { - psi_to_string(&ztmp, real_decl_type(darg->type)->type, &tmp, darg->var); - break; + if (set->count) { + /* explicit member casts */ + for (i = 0; i < set->count; ++i) { + zval ztmp; + impl_val *tmp_ptr; + set_value *sub_set = set->inner[i]; + decl_var *sub_var = sub_set->vars->vars[0]; + decl_arg *sub_arg = sub_var->arg; + + if (sub_arg) { + token_t t = real_decl_type(sub_arg->type)->type; + void *ptr = malloc(sub_arg->layout->len); + + memcpy(ptr, (char *) ret_val->ptr + sub_arg->layout->pos, + sub_arg->layout->len); + tmp_ptr = enref_impl_val(ptr, sub_arg->var); + sub_set->func->handler(&ztmp, t, tmp_ptr, sub_set, sub_var); + add_assoc_zval(return_value, sub_var->name, &ztmp); + free(tmp_ptr); + if (tmp_ptr != ptr) { + free(ptr); + } } - /* no break */ - case PSI_T_INT: - case PSI_T_LONG: - psi_to_int(&ztmp, real_decl_type(darg->type)->type, &tmp, darg->var); - break; - default: - printf("t=%d\n", real_decl_type(darg->type)->type); - abort(); } - add_assoc_zval(return_value, darg->var->name, &ztmp); } return; + +// for (i = 0; i < s->args->count; ++i) { +// decl_arg *darg = s->args->args[i]; +// impl_val tmp, tmp_ptr; +// zval ztmp; +// char *ptr = (char *) ret_val->ptr + darg->layout->pos; +// +// tmp_ptr.ptr = &tmp; +// memset(&tmp, 0, sizeof(tmp)); +// memcpy(&tmp, ptr, darg->layout->len); +// switch (real_decl_type(darg->type)->type) { +// case PSI_T_FLOAT: +// case PSI_T_DOUBLE: +// psi_to_double(&ztmp, real_decl_type(darg->type)->type, &tmp, darg->var); +// break; +// case PSI_T_INT8: +// case PSI_T_UINT8: +// if (darg->var->pointer_level) { +// psi_to_string(&ztmp, real_decl_type(darg->type)->type, &tmp_ptr, darg->var); +// break; +// } +// /* no break */ +// case PSI_T_INT16: +// case PSI_T_UINT16: +// case PSI_T_INT32: +// case PSI_T_UINT32: +// case PSI_T_INT64: +// case PSI_T_UINT64: +// psi_to_int(&ztmp, real_decl_type(darg->type)->type, &tmp, darg->var); +// break; +// case PSI_T_STRUCT: +// psi_to_array(&ztmp, real_decl_type(darg->type)->type, &tmp_ptr, darg->var); +// break; +// default: +// printf("t=%d\n", real_decl_type(darg->type)->type); +// abort(); +// } +// add_assoc_zval(return_value, darg->var->name, &ztmp); +// } + return; } ret_val = deref_impl_val(ret_val, var); for (i = 0; i < var->arg->var->array_size; ++i) { @@ -409,7 +447,7 @@ void psi_to_array(zval *return_value, token_t t, impl_val *ret_val, decl_var *va } } -ZEND_RESULT_CODE psi_parse_args(zend_execute_data *execute_data, impl *impl) +static inline ZEND_RESULT_CODE psi_parse_args(zend_execute_data *execute_data, impl *impl) { impl_arg *iarg; @@ -428,7 +466,7 @@ ZEND_RESULT_CODE psi_parse_args(zend_execute_data *execute_data, impl *impl) iarg->val.zend.bval = iarg->def->type == PSI_T_TRUE ? 1 : 0; } Z_PARAM_BOOL(iarg->val.zend.bval); - } else if (PSI_T_INT == iarg->type->type || PSI_T_LONG == iarg->type->type) { + } else if (PSI_T_INT == iarg->type->type) { if (iarg->def) { iarg->val.zend.lval = zend_atol(iarg->def->text, strlen(iarg->def->text)); } @@ -467,14 +505,14 @@ ZEND_RESULT_CODE psi_parse_args(zend_execute_data *execute_data, impl *impl) return SUCCESS; } -void *psi_do_calloc(let_calloc *alloc) +static inline void *psi_do_calloc(let_calloc *alloc) { decl_type *type = real_decl_type(alloc->type); size_t size; if (type->type == PSI_T_STRUCT) { - /* psi_do_clean expects a NULL pointer after the struct */ - size = decl_struct_size(type->strct) + sizeof(void *); + /* psi_do_clean expects at least one NULL pointer after the struct */ + size = type->strct->size + sizeof(void *); } else { size = psi_t_size(type->type); } @@ -482,7 +520,7 @@ void *psi_do_calloc(let_calloc *alloc) return ecalloc(alloc->n, size); } -void *psi_do_let(decl_arg *darg) +static inline void *psi_do_let(decl_arg *darg) { impl_arg *iarg = darg->let->arg; impl_val *arg_val; @@ -515,7 +553,7 @@ void *psi_do_let(decl_arg *darg) } break; case PSI_T_INTVAL: - if (iarg->type->type == PSI_T_INT || iarg->type->type == PSI_T_LONG) { + if (iarg->type->type == PSI_T_INT) { arg_val->lval = iarg->val.zend.lval; } else { arg_val->lval = zval_get_long(iarg->_zv); @@ -566,57 +604,45 @@ void *psi_do_let(decl_arg *darg) } } -void psi_do_set(zval *return_value, set_func *func, decl_vars *vars) +static inline void psi_do_set(zval *return_value, set_value *set) { - impl_val *val = (impl_val *) &vars->vars[0]->arg->let->ptr; + impl_val *val = (impl_val *) &set->vars->vars[0]->arg->let->ptr; + token_t t = real_decl_type(set->vars->vars[0]->arg->type)->type; ZVAL_DEREF(return_value); zval_dtor(return_value); - switch (func->type) { - case PSI_T_TO_STRING: - psi_to_string(return_value, real_decl_type(vars->vars[0]->arg->type)->type, val, vars->vars[0]); - break; - case PSI_T_TO_ARRAY: - psi_to_array(return_value, real_decl_type(vars->vars[0]->arg->type)->type, val, vars->vars[0]); - break; - EMPTY_SWITCH_DEFAULT_CASE(); - } + set->func->handler(return_value, t, val, set, set->vars->vars[0]); } -void psi_do_return(impl *impl, impl_val *ret_val, zval *return_value) +static inline void psi_do_return(zval *return_value, return_stmt *ret, impl_val *ret_val) { - return_stmt *ret = impl->stmts->ret.list[0]; + token_t t = real_decl_type(ret->decl->type)->type; - switch (ret->func->type) { - case PSI_T_TO_STRING: - psi_to_string(return_value, real_decl_type(impl->decl->func->type)->type, ret_val, ret->decl); - break; - case PSI_T_TO_INT: - psi_to_int(return_value, real_decl_type(impl->decl->func->type)->type, ret_val, ret->decl); - break; - case PSI_T_TO_ARRAY: - psi_to_array(return_value, real_decl_type(impl->decl->func->type)->type, ret_val, ret->decl); - break; - EMPTY_SWITCH_DEFAULT_CASE(); - } + ret->set->func->handler(return_value, t, ret_val, ret->set, ret->decl->var); } -void psi_do_free(free_stmt *fre) +static inline void psi_do_free(free_stmt *fre) { - size_t i; + size_t i, j; + impl_val dummy; + + for (i = 0; i < fre->calls->count; ++i) { + free_call *f = fre->calls->list[i]; - for (i = 0; i < fre->vars->count; ++i) { - decl_var *dvar = fre->vars->vars[i]; + for (j = 0; j < f->vars->count; ++j) { + decl_var *dvar = f->vars->vars[j]; + decl_arg *darg = dvar->arg; - if (dvar->arg && dvar->arg->let->out.ptr) { - free(dvar->arg->let->out.ptr); - dvar->arg->let->out.ptr = NULL; + f->decl->call.args[j] = &darg->let->out; } + + /* FIXME: check in validate_* that free functions return scalar */ + PSI_ContextCall(&PSI_G(context), &dummy, f->decl); } } -void psi_do_clean(impl *impl) +static inline void psi_do_clean(impl *impl) { size_t i; @@ -639,8 +665,7 @@ void psi_do_clean(impl *impl) decl_type *type = real_decl_type(darg->type); if (type->type == PSI_T_STRUCT) { - size_t eos = decl_struct_size(type->strct); - void **ptr = (void **) ((char *) darg->let->mem + eos); + void **ptr = (void **) ((char *) darg->let->mem + type->strct->size); while (*ptr) { efree(*ptr++); @@ -652,16 +677,63 @@ void psi_do_clean(impl *impl) } } +void psi_call(zend_execute_data *execute_data, zval *return_value, impl *impl) +{ + impl_val ret_val; + size_t i; + + if (SUCCESS != psi_parse_args(execute_data, impl)) { + return; + } + + if (impl->decl->args) { + for (i = 0; i < impl->decl->args->count; ++i) { + decl_arg *darg = impl->decl->args->args[i]; + + impl->decl->call.args[i] = psi_do_let(darg); + } + } + + memset(&ret_val, 0, sizeof(ret_val)); + PSI_ContextCall(&PSI_G(context), &ret_val, impl->decl); + + psi_do_return(return_value, impl->stmts->ret.list[0], &ret_val); + + for (i = 0; i < impl->stmts->set.count; ++i) { + set_stmt *set = impl->stmts->set.list[i]; + + if (set->arg->_zv) { + psi_do_set(set->arg->_zv, set->val); + } + } + + for (i = 0; i < impl->stmts->fre.count; ++i) { + free_stmt *fre = impl->stmts->fre.list[i]; + + psi_do_free(fre); + } + + psi_do_clean(impl); +} + PHP_MINIT_FUNCTION(psi) { - PSI_ContextOps *ops; + PSI_ContextOps *ops = NULL; REGISTER_INI_ENTRIES(); +#ifdef HAVE_LIBJIT if (!strcasecmp(PSI_G(engine), "jit")) { ops = PSI_Libjit(); - } else { + } else +#endif +#ifdef HAVE_LIBFFI ops = PSI_Libffi(); +#endif + + if (!ops) { + php_error(E_WARNING, "No PSI engine found"); + return FAILURE; } PSI_ContextInit(&PSI_G(context), ops, psi_error);