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/* 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"
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