1 /* Functions related to building resource files.
2 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
3 2007, 2008 Free Software Foundation, Inc.
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3, or (at your option)
12 GCC is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING3. If not see
19 <http://www.gnu.org/licenses/>.
21 Java and all Java-based marks are trademarks or registered trademarks
22 of Sun Microsystems, Inc. in the United States and other countries.
23 The Free Software Foundation is independent of Sun Microsystems, Inc. */
27 #include "coretypes.h"
32 #include "java-tree.h"
43 #include "tree-iterator.h"
46 /* DOS brain-damage */
48 #define O_BINARY 0 /* MS-DOS brain-damage */
51 /* A list of all the resources files. */
52 static GTY(()) tree resources = NULL;
55 compile_resource_data (const char *name, const char *buffer, int length)
57 tree rtype, field = NULL_TREE, data_type, rinit, data, decl;
58 VEC(constructor_elt,gc) *v = NULL;
60 data_type = build_prim_array_type (unsigned_byte_type_node,
61 strlen (name) + length);
62 rtype = make_node (RECORD_TYPE);
63 PUSH_FIELD (input_location,
64 rtype, field, "name_length", unsigned_int_type_node);
65 PUSH_FIELD (input_location,
66 rtype, field, "resource_length", unsigned_int_type_node);
67 PUSH_FIELD (input_location, rtype, field, "data", data_type);
68 FINISH_RECORD (rtype);
69 START_RECORD_CONSTRUCTOR (v, rtype);
70 PUSH_FIELD_VALUE (v, "name_length",
71 build_int_cst (NULL_TREE, strlen (name)));
72 PUSH_FIELD_VALUE (v, "resource_length",
73 build_int_cst (NULL_TREE, length));
74 data = build_string (strlen(name) + length, buffer);
75 TREE_TYPE (data) = data_type;
76 PUSH_FIELD_VALUE (v, "data", data);
77 FINISH_RECORD_CONSTRUCTOR (rinit, v, rtype);
78 TREE_CONSTANT (rinit) = 1;
80 decl = build_decl (input_location,
81 VAR_DECL, java_mangle_resource_name (name), rtype);
82 TREE_STATIC (decl) = 1;
83 TREE_PUBLIC (decl) = 1;
84 java_hide_decl (decl);
85 DECL_ARTIFICIAL (decl) = 1;
86 DECL_IGNORED_P (decl) = 1;
87 TREE_READONLY (decl) = 1;
88 TREE_THIS_VOLATILE (decl) = 0;
89 DECL_INITIAL (decl) = rinit;
90 layout_decl (decl, 0);
92 rest_of_decl_compilation (decl, global_bindings_p (), 0);
93 varpool_finalize_decl (decl);
95 resources = tree_cons (NULL_TREE, decl, resources);
99 write_resource_constructor (tree *list_p)
101 tree iter, t, register_resource_fn;
103 if (resources == NULL)
106 t = build_function_type_list (void_type_node, ptr_type_node, NULL);
107 t = build_decl (input_location,
108 FUNCTION_DECL, get_identifier ("_Jv_RegisterResource"), t);
110 DECL_EXTERNAL (t) = 1;
111 register_resource_fn = t;
113 /* Write out entries in the same order in which they were defined. */
114 for (iter = nreverse (resources); iter ; iter = TREE_CHAIN (iter))
116 t = build_fold_addr_expr (TREE_VALUE (iter));
117 t = build_call_expr (register_resource_fn, 1, t);
118 append_to_statement_list (t, list_p);
122 /* Generate a byte array representing the contents of FILENAME. The
123 array is assigned a unique local symbol. The array represents a
124 compiled Java resource, which is accessed by the runtime using
127 compile_resource_file (const char *name, const char *filename)
129 struct stat stat_buf;
133 fd = open (filename, O_RDONLY | O_BINARY);
136 perror ("Failed to read resource file");
139 if (fstat (fd, &stat_buf) != 0
140 || ! S_ISREG (stat_buf.st_mode))
142 perror ("Could not figure length of resource file");
145 buffer = XNEWVEC (char, strlen (name) + stat_buf.st_size);
146 strcpy (buffer, name);
147 read (fd, buffer + strlen (name), stat_buf.st_size);
150 compile_resource_data (name, buffer, stat_buf.st_size);
153 #include "gt-java-resource.h"