AC_ARG_VAR(LEMON, The lemon parser generator of the SQLite project)
AC_PATH_PROG(LEMON, lemon, ./lemon)
PHP_SUBST(LEMON)
+
+ if test -z "$PKG_CONFIG"
+ then
+ AC_PATH_PROG(PKG_CONFIG, pkg-config, false)
+ fi
+
+ export PKG_CONFIG_PATH="/opt/libffi/lib/pkgconfig:$PKG_CONFIG_PATH"
+
+ AC_CACHE_CHECK(for libffi, PSI_cv_LIBFFI, [
+ if $PKG_CONFIG --exists libffi
+ then
+ PSI_cv_LIBFFI=true
+ else
+ PSI_cv_LIBFFI=false
+ fi])
+ if $PSI_cv_LIBFFI
+ then
+ PHP_EVAL_INCLINE(`$PKG_CONFIG --cflags libffi`)
+ PHP_EVAL_LIBLINE(`$PKG_CONFIG --libs libffi`, PSI_SHARED_LIBADD)
+ else
+ AC_MSG_ERROR([Could not find libjit, please provide the base install path])
+ fi
- AC_CACHE_CHECK(for libjit install root, PSI_cv_LIBJIT_DIR, [
+ AC_CACHE_CHECK(for libjit, PSI_cv_LIBJIT_DIR, [
for PSI_cv_LIBJIT_DIR in $PHP_PSI {/usr{,/local},/opt}{,libjit}
do
if test -e $PSI_cv_LIBJIT_DIR/include/jit/jit.h
fi
PSI_cv_LIBJIT_DIR=
done])
- if test -z "$PSI_cv_LIBJIT_DIR"
+ if test -n "$PSI_cv_LIBJIT_DIR"
then
+ PHP_ADD_INCLUDE($PSI_cv_LIBJIT_DIR/include)
+ PHP_ADD_LIBRARY_WITH_PATH(jit, $PSI_cv_LIBJIT_DIR/$PHP_LIBDIR, PSI_SHARED_LIBADD)
+ else
AC_MSG_ERROR([Could not find libjit, please provide the base install path])
fi
-
- PHP_ADD_INCLUDE($PSI_cv_LIBJIT_DIR/include)
- PHP_ADD_LIBRARY_WITH_PATH(jit, $PSI_cv_LIBJIT_DIR/$PHP_LIBDIR, PSI_SHARED_LIBADD)
+
PHP_SUBST(PSI_SHARED_LIBADD)
PHP_PSI_SRCDIR=PHP_EXT_SRCDIR(psi)
PHP_PSI_HEADERS=`(cd $PHP_PSI_SRCDIR/src && echo *.h)`
PHP_PSI_SOURCES="src/parser_proc.c src/parser.c src/validator.c src/module.c src/context.c"
- PHP_PSI_SOURCES="$PHP_PSI_SOURCES src/libjit.c"
+ PHP_PSI_SOURCES="$PHP_PSI_SOURCES src/libjit.c src/libffi.c"
PHP_NEW_EXTENSION(psi, $PHP_PSI_SOURCES, $ext_shared)
PHP_INSTALL_HEADERS(ext/psi, php_psi.h $PHP_PSI_HEADERS)
--- /dev/null
+#include "php.h"
+#include "php_psi.h"
+#include "libffi.h"
+
+#include <ffi.h>
+
+static void handler(ffi_cif *signature, void *_result, void **_args, void *_data);
+
+static inline ffi_abi psi_ffi_abi(const char *convention) {
+ return FFI_DEFAULT_ABI;
+}
+static inline ffi_type *psi_ffi_type(token_t t) {
+ switch (t) {
+ default:
+ ZEND_ASSERT(0);
+ /* no break */
+ case PSI_T_VOID:
+ return &ffi_type_void;
+ case PSI_T_SINT8:
+ return &ffi_type_sint8;
+ case PSI_T_UINT8:
+ return &ffi_type_uint8;
+ case PSI_T_SINT16:
+ return &ffi_type_sint16;
+ case PSI_T_UINT16:
+ return &ffi_type_uint16;
+ case PSI_T_SINT32:
+ return &ffi_type_sint32;
+ case PSI_T_UINT32:
+ return &ffi_type_uint32;
+ case PSI_T_SINT64:
+ return &ffi_type_sint64;
+ case PSI_T_UINT64:
+ return &ffi_type_uint64;
+ case PSI_T_BOOL:
+ return &ffi_type_uchar;
+ case PSI_T_CHAR:
+ return &ffi_type_schar;
+ case PSI_T_SHORT:
+ return &ffi_type_sshort;
+ case PSI_T_INT:
+ return &ffi_type_sint;
+ case PSI_T_LONG:
+ return &ffi_type_slong;
+ case PSI_T_FLOAT:
+ return &ffi_type_float;
+ case PSI_T_DOUBLE:
+ return &ffi_type_double;
+ }
+}
+static inline ffi_type *psi_ffi_decl_type(decl_type *type) {
+ return psi_ffi_type(real_decl_type(type)->type);
+}
+static inline ffi_type *psi_ffi_decl_arg_type(decl_arg *darg) {
+ if (darg->var->pointer_level) {
+ return &ffi_type_pointer;
+ } else {
+ return psi_ffi_decl_type(darg->type);
+ }
+}
+
+typedef struct PSI_LibffiContext {
+ ffi_cif signature;
+ ffi_type *params[2];
+ struct {
+ struct PSI_LibffiData **list;
+ size_t count;
+ } data;
+} PSI_LibffiContext;
+
+typedef struct PSI_LibffiData {
+ PSI_LibffiContext *context;
+ impl *impl;
+ zend_internal_arg_info *arginfo;
+ void *code;
+ ffi_closure *closure;
+ ffi_cif signature;
+ ffi_type *params[1];
+} PSI_LibffiData;
+
+static inline PSI_LibffiData *PSI_LibffiDataAlloc(PSI_LibffiContext *context, impl *impl) {
+ ffi_status rc;
+ size_t i, c = impl->decl->args->count;
+ PSI_LibffiData *data = malloc(sizeof(*data) + c * sizeof(ffi_type *));
+
+ data->context = context;
+ data->impl = impl;
+ data->arginfo = psi_internal_arginfo(impl);
+ for (i = 0; i < c; ++i) {
+ data->params[i] = psi_ffi_decl_arg_type(impl->decl->args->args[i]);
+ }
+ data->params[c] = NULL;
+
+ rc = ffi_prep_cif(
+ &data->signature,
+ psi_ffi_abi(data->impl->decl->abi->convention),
+ c,
+ psi_ffi_decl_arg_type(data->impl->decl->func),
+ data->params);
+ ZEND_ASSERT(FFI_OK == rc);
+ data->closure = ffi_closure_alloc(sizeof(ffi_closure), &data->code);
+ rc = ffi_prep_closure_loc(
+ data->closure,
+ &context->signature,
+ handler,
+ data,
+ data->code);
+ ZEND_ASSERT(FFI_OK == rc);
+
+ context->data.list = realloc(context->data.list, ++context->data.count * sizeof(*context->data.list));
+ context->data.list[context->data.count-1] = data;
+
+ return data;
+}
+
+static inline void PSI_LibffiDataFree(PSI_LibffiData *data) {
+ free(data->arginfo);
+ ffi_closure_free(data->closure);
+ free(data);
+}
+
+static inline PSI_LibffiContext *PSI_LibffiContextInit(PSI_LibffiContext *L) {
+ ffi_status rc;
+
+ if (!L) {
+ L = malloc(sizeof(*L));
+ }
+ memset(L, 0, sizeof(*L));
+
+ 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);
+ ZEND_ASSERT(rc == FFI_OK);
+
+ return L;
+}
+
+static inline void PSI_LibffiContextDtor(PSI_LibffiContext *L) {
+ size_t i;
+
+ for (i = 0; i < L->data.count; ++i) {
+ PSI_LibffiDataFree(L->data.list[i]);
+ }
+ if (L->data.list) {
+ free(L->data.list);
+ }
+}
+
+static inline void PSI_LibffiContextFree(PSI_LibffiContext **L) {
+ if (*L) {
+ PSI_LibffiContextDtor(*L);
+ free(*L);
+ *L = NULL;
+ }
+}
+
+static void handler(ffi_cif *_sig, void *_result, void **_args, void *_data)
+{
+ PSI_LibffiData *data = _data;
+ size_t i;
+ void **arg_ptr = NULL, **arg_prm = NULL;
+ impl_val ret_val;
+
+ if (SUCCESS != psi_parse_args(*(zend_execute_data **)_args[0], data->impl)) {
+ return;
+ }
+
+ if (data->impl->decl->args->count) {
+ arg_ptr = malloc(data->impl->decl->args->count * sizeof(*arg_ptr));
+ arg_prm = malloc(data->impl->decl->args->count * sizeof(*arg_prm));
+
+ for (i = 0; i < data->impl->decl->args->count; ++i) {
+ decl_arg *darg = data->impl->decl->args->args[i];
+
+ arg_ptr[i] = psi_do_let(darg);
+ arg_prm[i] = darg->let->val->is_reference ? &arg_ptr[i] : arg_ptr[i];
+
+ darg->let->ptr = arg_ptr[i];
+ }
+ }
+
+ ffi_call(&data->signature, FFI_FN(data->impl->decl->dlptr), &ret_val, arg_prm);
+
+ 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];
+
+ psi_do_set(set->arg->_zv, set->val->func, set->val->vars);
+ }
+
+ for (i = 0; i < data->impl->stmts->fre.count; ++i) {
+ free_stmt *fre = data->impl->stmts->fre.list[i];
+
+ psi_do_free(fre);
+ }
+
+ psi_do_clean(data->impl);
+
+ if (arg_ptr) {
+ free(arg_ptr);
+ }
+ if (arg_prm) {
+ free(arg_prm);
+ }
+}
+
+static void init(PSI_Context *C)
+{
+ C->context = PSI_LibffiContextInit(NULL);
+}
+
+static void dtor(PSI_Context *C)
+{
+ PSI_LibffiContextFree((void *) &C->context);
+}
+
+static zend_function_entry *compile(PSI_Context *C, PSI_Data *D)
+{
+ size_t i, j = 0;
+ zend_function_entry *zfe = calloc(D->impls->count + 1, sizeof(*zfe));
+ PSI_LibffiContext *ctx = C->context;
+
+ for (i = 0; i < D->impls->count; ++i) {
+ zend_function_entry *zf = &zfe[j];
+ PSI_LibffiData *data;
+
+ if (!D->impls->list[i]->decl) {
+ continue;
+ }
+
+ data = PSI_LibffiDataAlloc(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->code;
+ zf->arg_info = data->arginfo;
+ ++j;
+ }
+
+ return zfe;
+}
+
+static PSI_ContextOps ops = {
+ init,
+ dtor,
+ compile,
+};
+
+PSI_ContextOps *PSI_Libffi(void)
+{
+ return &ops;
+}
projects / m6w6 / ext-psi / commitdiff
