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"
29 #include "java-tree.h"
37 #include "tree-iterator.h"
40 /* DOS brain-damage */
42 #define O_BINARY 0 /* MS-DOS brain-damage */
45 /* A list of all the resources files. */
46 static GTY(()) tree resources = NULL;
49 compile_resource_data (const char *name, const char *buffer, int length)
51 tree rtype, field = NULL_TREE, data_type, rinit, data, decl;
52 VEC(constructor_elt,gc) *v = NULL;
54 data_type = build_prim_array_type (unsigned_byte_type_node,
55 strlen (name) + length);
56 rtype = make_node (RECORD_TYPE);
57 PUSH_FIELD (input_location,
58 rtype, field, "name_length", unsigned_int_type_node);
59 PUSH_FIELD (input_location,
60 rtype, field, "resource_length", unsigned_int_type_node);
61 PUSH_FIELD (input_location, rtype, field, "data", data_type);
62 FINISH_RECORD (rtype);
63 START_RECORD_CONSTRUCTOR (v, rtype);
64 PUSH_FIELD_VALUE (v, "name_length",
65 build_int_cst (NULL_TREE, strlen (name)));
66 PUSH_FIELD_VALUE (v, "resource_length",
67 build_int_cst (NULL_TREE, length));
68 data = build_string (strlen(name) + length, buffer);
69 TREE_TYPE (data) = data_type;
70 PUSH_FIELD_VALUE (v, "data", data);
71 FINISH_RECORD_CONSTRUCTOR (rinit, v, rtype);
72 TREE_CONSTANT (rinit) = 1;
74 decl = build_decl (input_location,
75 VAR_DECL, java_mangle_resource_name (name), rtype);
76 TREE_STATIC (decl) = 1;
77 TREE_PUBLIC (decl) = 1;
78 java_hide_decl (decl);
79 DECL_ARTIFICIAL (decl) = 1;
80 DECL_IGNORED_P (decl) = 1;
81 TREE_READONLY (decl) = 1;
82 TREE_THIS_VOLATILE (decl) = 0;
83 DECL_INITIAL (decl) = rinit;
84 layout_decl (decl, 0);
86 rest_of_decl_compilation (decl, global_bindings_p (), 0);
87 varpool_finalize_decl (decl);
89 resources = tree_cons (NULL_TREE, decl, resources);
93 write_resource_constructor (tree *list_p)
95 tree iter, t, register_resource_fn;
97 if (resources == NULL)
100 t = build_function_type_list (void_type_node, ptr_type_node, NULL);
101 t = build_decl (input_location,
102 FUNCTION_DECL, get_identifier ("_Jv_RegisterResource"), t);
104 DECL_EXTERNAL (t) = 1;
105 register_resource_fn = t;
107 /* Write out entries in the same order in which they were defined. */
108 for (iter = nreverse (resources); iter ; iter = TREE_CHAIN (iter))
110 t = build_fold_addr_expr (TREE_VALUE (iter));
111 t = build_call_expr (register_resource_fn, 1, t);
112 append_to_statement_list (t, list_p);
116 /* Generate a byte array representing the contents of FILENAME. The
117 array is assigned a unique local symbol. The array represents a
118 compiled Java resource, which is accessed by the runtime using
121 compile_resource_file (const char *name, const char *filename)
123 struct stat stat_buf;
127 fd = open (filename, O_RDONLY | O_BINARY);
130 perror ("Failed to read resource file");
133 if (fstat (fd, &stat_buf) != 0
134 || ! S_ISREG (stat_buf.st_mode))
136 perror ("Could not figure length of resource file");
139 buffer = XNEWVEC (char, strlen (name) + stat_buf.st_size);
140 strcpy (buffer, name);
141 read (fd, buffer + strlen (name), stat_buf.st_size);
144 compile_resource_data (name, buffer, stat_buf.st_size);
147 #include "gt-java-resource.h"