| /* Functions related to building resource files. |
| Copyright (C) 1996-2013 Free Software Foundation, Inc. |
| |
| This file is part of GCC. |
| |
| GCC is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3, or (at your option) |
| any later version. |
| |
| GCC is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GCC; see the file COPYING3. If not see |
| <http://www.gnu.org/licenses/>. |
| |
| Java and all Java-based marks are trademarks or registered trademarks |
| of Sun Microsystems, Inc. in the United States and other countries. |
| The Free Software Foundation is independent of Sun Microsystems, Inc. */ |
| |
| #include "config.h" |
| #include "system.h" |
| #include "coretypes.h" |
| #include "tree.h" |
| #include "java-tree.h" |
| #include "jcf.h" |
| #include "diagnostic-core.h" |
| #include "toplev.h" |
| #include "parse.h" |
| #include "function.h" |
| #include "ggc.h" |
| #include "tree-iterator.h" |
| #include "cgraph.h" |
| |
| /* A list of all the resources files. */ |
| static GTY(()) vec<tree, va_gc> *resources; |
| |
| void |
| compile_resource_data (const char *name, const char *buffer, int length) |
| { |
| tree rtype, field = NULL_TREE, data_type, rinit, data, decl; |
| vec<constructor_elt, va_gc> *v = NULL; |
| |
| data_type = build_prim_array_type (unsigned_byte_type_node, |
| strlen (name) + length); |
| rtype = make_node (RECORD_TYPE); |
| PUSH_FIELD (input_location, |
| rtype, field, "name_length", unsigned_int_type_node); |
| PUSH_FIELD (input_location, |
| rtype, field, "resource_length", unsigned_int_type_node); |
| PUSH_FIELD (input_location, rtype, field, "data", data_type); |
| FINISH_RECORD (rtype); |
| START_RECORD_CONSTRUCTOR (v, rtype); |
| PUSH_FIELD_VALUE (v, "name_length", |
| build_int_cst (NULL_TREE, strlen (name))); |
| PUSH_FIELD_VALUE (v, "resource_length", |
| build_int_cst (NULL_TREE, length)); |
| data = build_string (strlen(name) + length, buffer); |
| TREE_TYPE (data) = data_type; |
| PUSH_FIELD_VALUE (v, "data", data); |
| FINISH_RECORD_CONSTRUCTOR (rinit, v, rtype); |
| TREE_CONSTANT (rinit) = 1; |
| |
| decl = build_decl (input_location, |
| VAR_DECL, java_mangle_resource_name (name), rtype); |
| TREE_STATIC (decl) = 1; |
| TREE_PUBLIC (decl) = 1; |
| java_hide_decl (decl); |
| DECL_ARTIFICIAL (decl) = 1; |
| DECL_IGNORED_P (decl) = 1; |
| TREE_READONLY (decl) = 1; |
| TREE_THIS_VOLATILE (decl) = 0; |
| DECL_INITIAL (decl) = rinit; |
| layout_decl (decl, 0); |
| pushdecl (decl); |
| rest_of_decl_compilation (decl, global_bindings_p (), 0); |
| varpool_finalize_decl (decl); |
| |
| vec_safe_push (resources, decl); |
| } |
| |
| void |
| write_resource_constructor (tree *list_p) |
| { |
| tree decl, t, register_resource_fn; |
| unsigned ix; |
| |
| if (resources == NULL) |
| return; |
| |
| t = build_function_type_list (void_type_node, ptr_type_node, NULL); |
| t = build_decl (input_location, |
| FUNCTION_DECL, get_identifier ("_Jv_RegisterResource"), t); |
| TREE_PUBLIC (t) = 1; |
| DECL_EXTERNAL (t) = 1; |
| register_resource_fn = t; |
| |
| /* Write out entries in the same order in which they were defined. */ |
| FOR_EACH_VEC_ELT (*resources, ix, decl) |
| { |
| t = build_fold_addr_expr (decl); |
| t = build_call_expr (register_resource_fn, 1, t); |
| append_to_statement_list (t, list_p); |
| } |
| } |
| |
| /* Generate a byte array representing the contents of FILENAME. The |
| array is assigned a unique local symbol. The array represents a |
| compiled Java resource, which is accessed by the runtime using |
| NAME. */ |
| void |
| compile_resource_file (const char *name, const char *filename) |
| { |
| struct stat stat_buf; |
| int fd; |
| char *buffer; |
| |
| fd = open (filename, O_RDONLY | O_BINARY); |
| if (fd < 0) |
| { |
| perror ("Failed to read resource file"); |
| return; |
| } |
| if (fstat (fd, &stat_buf) != 0 |
| || ! S_ISREG (stat_buf.st_mode)) |
| { |
| perror ("Could not figure length of resource file"); |
| return; |
| } |
| buffer = XNEWVEC (char, strlen (name) + stat_buf.st_size); |
| strcpy (buffer, name); |
| read (fd, buffer + strlen (name), stat_buf.st_size); |
| close (fd); |
| |
| compile_resource_data (name, buffer, stat_buf.st_size); |
| } |
| |
| #include "gt-java-resource.h" |