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caa8fa37 | 1 | /* Functions related to building resource files. |
e4b52719 | 2 | Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, |
967958e4 | 3 | 2007, 2008, 2009, 2010 Free Software Foundation, Inc. |
caa8fa37 | 4 | |
5 | This file is part of GCC. | |
6 | ||
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 | |
e4b52719 | 9 | the Free Software Foundation; either version 3, or (at your option) |
caa8fa37 | 10 | any later version. |
11 | ||
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. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
e4b52719 | 18 | along with GCC; see the file COPYING3. If not see |
19 | <http://www.gnu.org/licenses/>. | |
caa8fa37 | 20 | |
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. */ | |
24 | ||
25 | #include "config.h" | |
26 | #include "system.h" | |
27 | #include "coretypes.h" | |
caa8fa37 | 28 | #include "tree.h" |
caa8fa37 | 29 | #include "java-tree.h" |
30 | #include "jcf.h" | |
0b205f4c | 31 | #include "diagnostic-core.h" |
caa8fa37 | 32 | #include "toplev.h" |
caa8fa37 | 33 | #include "parse.h" |
34 | #include "function.h" | |
35 | #include "ggc.h" | |
b5530559 | 36 | #include "tree-iterator.h" |
c1dcd13c | 37 | #include "cgraph.h" |
caa8fa37 | 38 | |
caa8fa37 | 39 | /* A list of all the resources files. */ |
f1f41a6c | 40 | static GTY(()) vec<tree, va_gc> *resources; |
caa8fa37 | 41 | |
caa8fa37 | 42 | void |
35171f45 | 43 | compile_resource_data (const char *name, const char *buffer, int length) |
caa8fa37 | 44 | { |
45 | tree rtype, field = NULL_TREE, data_type, rinit, data, decl; | |
f1f41a6c | 46 | vec<constructor_elt, va_gc> *v = NULL; |
caa8fa37 | 47 | |
48 | data_type = build_prim_array_type (unsigned_byte_type_node, | |
49 | strlen (name) + length); | |
50 | rtype = make_node (RECORD_TYPE); | |
e60a6f7b | 51 | PUSH_FIELD (input_location, |
52 | rtype, field, "name_length", unsigned_int_type_node); | |
53 | PUSH_FIELD (input_location, | |
54 | rtype, field, "resource_length", unsigned_int_type_node); | |
55 | PUSH_FIELD (input_location, rtype, field, "data", data_type); | |
caa8fa37 | 56 | FINISH_RECORD (rtype); |
3eafef1a | 57 | START_RECORD_CONSTRUCTOR (v, rtype); |
58 | PUSH_FIELD_VALUE (v, "name_length", | |
7016c612 | 59 | build_int_cst (NULL_TREE, strlen (name))); |
3eafef1a | 60 | PUSH_FIELD_VALUE (v, "resource_length", |
7016c612 | 61 | build_int_cst (NULL_TREE, length)); |
caa8fa37 | 62 | data = build_string (strlen(name) + length, buffer); |
63 | TREE_TYPE (data) = data_type; | |
3eafef1a | 64 | PUSH_FIELD_VALUE (v, "data", data); |
65 | FINISH_RECORD_CONSTRUCTOR (rinit, v, rtype); | |
caa8fa37 | 66 | TREE_CONSTANT (rinit) = 1; |
67 | ||
e60a6f7b | 68 | decl = build_decl (input_location, |
69 | VAR_DECL, java_mangle_resource_name (name), rtype); | |
caa8fa37 | 70 | TREE_STATIC (decl) = 1; |
0ac26f75 | 71 | TREE_PUBLIC (decl) = 1; |
72 | java_hide_decl (decl); | |
caa8fa37 | 73 | DECL_ARTIFICIAL (decl) = 1; |
74 | DECL_IGNORED_P (decl) = 1; | |
75 | TREE_READONLY (decl) = 1; | |
76 | TREE_THIS_VOLATILE (decl) = 0; | |
77 | DECL_INITIAL (decl) = rinit; | |
78 | layout_decl (decl, 0); | |
79 | pushdecl (decl); | |
b2c4af5e | 80 | rest_of_decl_compilation (decl, global_bindings_p (), 0); |
1d416bd7 | 81 | varpool_finalize_decl (decl); |
caa8fa37 | 82 | |
f1f41a6c | 83 | vec_safe_push (resources, decl); |
caa8fa37 | 84 | } |
85 | ||
86 | void | |
b5530559 | 87 | write_resource_constructor (tree *list_p) |
caa8fa37 | 88 | { |
43d03f3a | 89 | tree decl, t, register_resource_fn; |
90 | unsigned ix; | |
caa8fa37 | 91 | |
b5530559 | 92 | if (resources == NULL) |
caa8fa37 | 93 | return; |
94 | ||
b5530559 | 95 | t = build_function_type_list (void_type_node, ptr_type_node, NULL); |
e60a6f7b | 96 | t = build_decl (input_location, |
97 | FUNCTION_DECL, get_identifier ("_Jv_RegisterResource"), t); | |
b5530559 | 98 | TREE_PUBLIC (t) = 1; |
99 | DECL_EXTERNAL (t) = 1; | |
100 | register_resource_fn = t; | |
caa8fa37 | 101 | |
102 | /* Write out entries in the same order in which they were defined. */ | |
f1f41a6c | 103 | FOR_EACH_VEC_ELT (*resources, ix, decl) |
caa8fa37 | 104 | { |
43d03f3a | 105 | t = build_fold_addr_expr (decl); |
c2f47e15 | 106 | t = build_call_expr (register_resource_fn, 1, t); |
b5530559 | 107 | append_to_statement_list (t, list_p); |
caa8fa37 | 108 | } |
caa8fa37 | 109 | } |
110 | ||
111 | /* Generate a byte array representing the contents of FILENAME. The | |
112 | array is assigned a unique local symbol. The array represents a | |
113 | compiled Java resource, which is accessed by the runtime using | |
114 | NAME. */ | |
115 | void | |
35171f45 | 116 | compile_resource_file (const char *name, const char *filename) |
caa8fa37 | 117 | { |
118 | struct stat stat_buf; | |
119 | int fd; | |
120 | char *buffer; | |
121 | ||
122 | fd = open (filename, O_RDONLY | O_BINARY); | |
123 | if (fd < 0) | |
124 | { | |
125 | perror ("Failed to read resource file"); | |
126 | return; | |
127 | } | |
128 | if (fstat (fd, &stat_buf) != 0 | |
129 | || ! S_ISREG (stat_buf.st_mode)) | |
130 | { | |
131 | perror ("Could not figure length of resource file"); | |
132 | return; | |
133 | } | |
4c36ffe6 | 134 | buffer = XNEWVEC (char, strlen (name) + stat_buf.st_size); |
caa8fa37 | 135 | strcpy (buffer, name); |
136 | read (fd, buffer + strlen (name), stat_buf.st_size); | |
137 | close (fd); | |
138 | ||
139 | compile_resource_data (name, buffer, stat_buf.st_size); | |
caa8fa37 | 140 | } |
141 | ||
142 | #include "gt-java-resource.h" |