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"
31 #include "diagnostic-core.h"
38 #include "tree-iterator.h"
41 /* DOS brain-damage */
43 #define O_BINARY 0 /* MS-DOS brain-damage */
46 /* A list of all the resources files. */
47 static GTY(()) VEC(tree
,gc
) *resources
;
50 compile_resource_data (const char *name
, const char *buffer
, int length
)
52 tree rtype
, field
= NULL_TREE
, data_type
, rinit
, data
, decl
;
53 VEC(constructor_elt
,gc
) *v
= NULL
;
55 data_type
= build_prim_array_type (unsigned_byte_type_node
,
56 strlen (name
) + length
);
57 rtype
= make_node (RECORD_TYPE
);
58 PUSH_FIELD (input_location
,
59 rtype
, field
, "name_length", unsigned_int_type_node
);
60 PUSH_FIELD (input_location
,
61 rtype
, field
, "resource_length", unsigned_int_type_node
);
62 PUSH_FIELD (input_location
, rtype
, field
, "data", data_type
);
63 FINISH_RECORD (rtype
);
64 START_RECORD_CONSTRUCTOR (v
, rtype
);
65 PUSH_FIELD_VALUE (v
, "name_length",
66 build_int_cst (NULL_TREE
, strlen (name
)));
67 PUSH_FIELD_VALUE (v
, "resource_length",
68 build_int_cst (NULL_TREE
, length
));
69 data
= build_string (strlen(name
) + length
, buffer
);
70 TREE_TYPE (data
) = data_type
;
71 PUSH_FIELD_VALUE (v
, "data", data
);
72 FINISH_RECORD_CONSTRUCTOR (rinit
, v
, rtype
);
73 TREE_CONSTANT (rinit
) = 1;
75 decl
= build_decl (input_location
,
76 VAR_DECL
, java_mangle_resource_name (name
), rtype
);
77 TREE_STATIC (decl
) = 1;
78 TREE_PUBLIC (decl
) = 1;
79 java_hide_decl (decl
);
80 DECL_ARTIFICIAL (decl
) = 1;
81 DECL_IGNORED_P (decl
) = 1;
82 TREE_READONLY (decl
) = 1;
83 TREE_THIS_VOLATILE (decl
) = 0;
84 DECL_INITIAL (decl
) = rinit
;
85 layout_decl (decl
, 0);
87 rest_of_decl_compilation (decl
, global_bindings_p (), 0);
88 varpool_finalize_decl (decl
);
90 VEC_safe_push (tree
, gc
, resources
, decl
);
94 write_resource_constructor (tree
*list_p
)
96 tree decl
, t
, register_resource_fn
;
99 if (resources
== NULL
)
102 t
= build_function_type_list (void_type_node
, ptr_type_node
, NULL
);
103 t
= build_decl (input_location
,
104 FUNCTION_DECL
, get_identifier ("_Jv_RegisterResource"), t
);
106 DECL_EXTERNAL (t
) = 1;
107 register_resource_fn
= t
;
109 /* Write out entries in the same order in which they were defined. */
110 FOR_EACH_VEC_ELT (tree
, resources
, ix
, decl
)
112 t
= build_fold_addr_expr (decl
);
113 t
= build_call_expr (register_resource_fn
, 1, t
);
114 append_to_statement_list (t
, list_p
);
118 /* Generate a byte array representing the contents of FILENAME. The
119 array is assigned a unique local symbol. The array represents a
120 compiled Java resource, which is accessed by the runtime using
123 compile_resource_file (const char *name
, const char *filename
)
125 struct stat stat_buf
;
129 fd
= open (filename
, O_RDONLY
| O_BINARY
);
132 perror ("Failed to read resource file");
135 if (fstat (fd
, &stat_buf
) != 0
136 || ! S_ISREG (stat_buf
.st_mode
))
138 perror ("Could not figure length of resource file");
141 buffer
= XNEWVEC (char, strlen (name
) + stat_buf
.st_size
);
142 strcpy (buffer
, name
);
143 read (fd
, buffer
+ strlen (name
), stat_buf
.st_size
);
146 compile_resource_data (name
, buffer
, stat_buf
.st_size
);
149 #include "gt-java-resource.h"