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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/java/resource.c | |
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Diffstat (limited to 'gcc/java/resource.c')
-rw-r--r-- | gcc/java/resource.c | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/gcc/java/resource.c b/gcc/java/resource.c new file mode 100644 index 000000000..25a9bdd22 --- /dev/null +++ b/gcc/java/resource.c @@ -0,0 +1,143 @@ +/* Functions related to building resource files. + Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, + 2007, 2008, 2009, 2010 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 "output.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,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,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 (tree, gc, 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 (tree, 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" |