Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 143 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/java/resource.c b/gcc-4.9/gcc/java/resource.c
new file mode 100644
index 000000000..8e5702f6f
--- /dev/null
+++ b/gcc-4.9/gcc/java/resource.c
@@ -0,0 +1,143 @@
+/* Functions related to building resource files.
+   Copyright (C) 1996-2014 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 "stringpool.h"
+#include "stor-layout.h"
+#include "java-tree.h"
+#include "jcf.h"
+#include "diagnostic-core.h"
+#include "toplev.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, va_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, va_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 (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 (*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"