gcj.texi (Input and output files): Mention non-class entries.

* gcj.texi (Input and output files): Mention non-class entries.
	* decl.c (java_init_decl_processing): Call
	init_resource_processing.
	* java-tree.h (compile_resource_data, write_resource_constructor,
	compile_resource_file, init_resource_processing): Declare.
	* config-lang.in (gtfiles): Added resource.c.
	* Make-lang.in (gt-java-resource.h): New target.
	(JAVA_OBJS): Added resource.o.
	(java/resource.o): New target.
	* resource.c: New file.
	* class.c (compile_resource_file): Moved to resource.c.
	(registerResource_libfunc): Likewise.
	(utf8_decl_list): Mark with GTY; now static.
	* jcf-parse.c (classify_zip_file): New function.
	(parse_zip_file_entries): Use it; compile .properties files.
	(process_zip_dir): Use classify_zip_file and compute_class_name.
	Don't write class name into zip directory.
	(java_parse_file): Call write_resource_constructor.
	(compute_class_name): New function.
	* jcf-io.c (read_zip_member): Reindented.

From-SVN: r61614
This commit is contained in:
Tom Tromey 2003-01-22 20:51:55 +00:00 committed by Tom Tromey
parent 7e657a6117
commit 3e895978ee
11 changed files with 433 additions and 202 deletions

View File

@ -1,3 +1,26 @@
2003-01-22 Tom Tromey <tromey@redhat.com>
* gcj.texi (Input and output files): Mention non-class entries.
* decl.c (java_init_decl_processing): Call
init_resource_processing.
* java-tree.h (compile_resource_data, write_resource_constructor,
compile_resource_file, init_resource_processing): Declare.
* config-lang.in (gtfiles): Added resource.c.
* Make-lang.in (gt-java-resource.h): New target.
(JAVA_OBJS): Added resource.o.
(java/resource.o): New target.
* resource.c: New file.
* class.c (compile_resource_file): Moved to resource.c.
(registerResource_libfunc): Likewise.
(utf8_decl_list): Mark with GTY; now static.
* jcf-parse.c (classify_zip_file): New function.
(parse_zip_file_entries): Use it; compile .properties files.
(process_zip_dir): Use classify_zip_file and compute_class_name.
Don't write class name into zip directory.
(java_parse_file): Call write_resource_constructor.
(compute_class_name): New function.
* jcf-io.c (read_zip_member): Reindented.
2003-01-21 Tom Tromey <tromey@redhat.com>
* class.c (supers_all_compiled): New function.

View File

@ -102,13 +102,13 @@ $(srcdir)/java/keyword.h: $(srcdir)/java/keyword.gperf
gt-java-class.h gt-java-constants.h gt-java-decl.h : s-gtype ; @true
gt-java-expr.h gt-java-jcf-parse.h gt-java-jcf-write.h : s-gtype ; @true
gt-java-lang.h gt-java-mangle.h gt-java-parse.h : s-gtype ; @true
gt-java-builtins.h gtype-java.h : s-gtype ; @true
gt-java-builtins.h gtype-java.h gt-java-resource.h : s-gtype ; @true
# Executables built by this Makefile:
JAVA_OBJS = java/parse.o java/class.o java/decl.o java/expr.o \
java/constants.o java/lang.o java/typeck.o java/except.o java/verify.o \
java/zextract.o java/jcf-io.o java/jcf-parse.o java/mangle.o \
java/mangle_name.o java/builtins.o \
java/mangle_name.o java/builtins.o java/resource.o \
java/jcf-write.o java/buffer.o java/check-init.o java/jcf-depend.o \
java/jcf-path.o java/xref.o java/boehm.o java/java-tree-inline.o mkdeps.o
@ -324,6 +324,9 @@ java/mangle_name.o: java/mangle_name.c $(CONFIG_H) java/jcf.h $(JAVA_TREE_H) \
$(SYSTEM_H) coretypes.h $(TM_H) toplev.h $(GGC_H)
java/parse-scan.o: $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) toplev.h \
$(JAVA_LEX_C) java/parse.h java/lex.h
java/resource.o: java/resource.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
$(JAVA_TREE_H) $(RTL_H) java/jcf.h java/parse.h toplev.h output.h $(GGC_H) \
$(TARGET_H) function.h gt-java-resource.h
java/typeck.o: java/typeck.c $(CONFIG_H) $(JAVA_TREE_H) java/jcf.h \
java/convert.h toplev.h $(SYSTEM_H) coretypes.h $(TM_H) $(GGC_H) real.h
java/verify.o: java/verify.c $(CONFIG_H) $(JAVA_TREE_H) java/jcf.h \

View File

@ -61,7 +61,6 @@ static int assume_compiled (const char *);
static tree build_method_symbols_entry (tree);
static GTY(()) rtx registerClass_libfunc;
static GTY(()) rtx registerResource_libfunc;
struct obstack temporary_obstack;
@ -742,111 +741,7 @@ hashUtf8String (const char *str, int len)
return hash;
}
/* 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 (char *name, const char *filename)
{
struct stat stat_buf;
int fd;
char *buffer;
char buf[60];
tree rtype, field = NULL_TREE, data_type, rinit, data, decl;
static int Jr_count = 0;
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 = xmalloc (strlen (name) + stat_buf.st_size);
strcpy (buffer, name);
read (fd, buffer + strlen (name), stat_buf.st_size);
close (fd);
data_type = build_prim_array_type (unsigned_byte_type_node,
strlen (name) + stat_buf.st_size);
rtype = make_node (RECORD_TYPE);
PUSH_FIELD (rtype, field, "name_length", unsigned_int_type_node);
PUSH_FIELD (rtype, field, "resource_length", unsigned_int_type_node);
PUSH_FIELD (rtype, field, "data", data_type);
FINISH_RECORD (rtype);
START_RECORD_CONSTRUCTOR (rinit, rtype);
PUSH_FIELD_VALUE (rinit, "name_length",
build_int_2 (strlen (name), 0));
PUSH_FIELD_VALUE (rinit, "resource_length",
build_int_2 (stat_buf.st_size, 0));
data = build_string (strlen(name) + stat_buf.st_size, buffer);
TREE_TYPE (data) = data_type;
PUSH_FIELD_VALUE (rinit, "data", data);
FINISH_RECORD_CONSTRUCTOR (rinit);
TREE_CONSTANT (rinit) = 1;
/* Generate a unique-enough identifier. */
sprintf(buf, "_Jr%d", ++Jr_count);
decl = build_decl (VAR_DECL, get_identifier (buf), rtype);
TREE_STATIC (decl) = 1;
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, (char*) 0, global_bindings_p (), 0);
make_decl_rtl (decl, (char*) 0);
assemble_variable (decl, 1, 0, 0);
{
tree init_name = get_file_function_name ('I');
tree init_type = build_function_type (void_type_node, end_params_node);
tree init_decl;
init_decl = build_decl (FUNCTION_DECL, init_name, init_type);
SET_DECL_ASSEMBLER_NAME (init_decl, init_name);
TREE_STATIC (init_decl) = 1;
current_function_decl = init_decl;
DECL_RESULT (init_decl) = build_decl (RESULT_DECL,
NULL_TREE, void_type_node);
/* It can be a static function as long as collect2 does not have
to scan the object file to find its ctor/dtor routine. */
TREE_PUBLIC (init_decl) = ! targetm.have_ctors_dtors;
pushlevel (0);
make_decl_rtl (init_decl, NULL);
init_function_start (init_decl, input_filename, 0);
expand_function_start (init_decl, 0);
emit_library_call (registerResource_libfunc, 0, VOIDmode, 1,
gen_rtx (SYMBOL_REF, Pmode, buf),
Pmode);
expand_function_end (input_filename, 0, 0);
poplevel (1, 0, 1);
{
/* Force generation, even with -O3 or deeper. Gross hack. FIXME */
int saved_flag = flag_inline_functions;
flag_inline_functions = 0;
rest_of_compilation (init_decl);
flag_inline_functions = saved_flag;
}
current_function_decl = NULL_TREE;
(* targetm.asm_out.constructor) (XEXP (DECL_RTL (init_decl), 0),
DEFAULT_INIT_PRIORITY);
}
}
tree utf8_decl_list = NULL_TREE;
static GTY(()) tree utf8_decl_list = NULL_TREE;
tree
build_utf8_ref (tree name)
@ -2209,8 +2104,6 @@ void
init_class_processing (void)
{
registerClass_libfunc = gen_rtx_SYMBOL_REF (Pmode, "_Jv_RegisterClass");
registerResource_libfunc =
gen_rtx_SYMBOL_REF (Pmode, "_Jv_RegisterResource");
fields_ident = get_identifier ("fields");
info_ident = get_identifier ("info");
gcc_obstack_init (&temporary_obstack);

View File

@ -36,7 +36,7 @@ compilers="jc1\$(exeext) jvgenmain\$(exeext)"
stagestuff="jc1\$(exeext) gcj\$(exeext) jvgenmain\$(exeext) gcjh\$(exeext) jv-scan\$(exeext) jcf-dump\$(exeext)"
gtfiles="\$(srcdir)/java/java-tree.h \$(srcdir)/java/jcf.h \$(srcdir)/java/lex.h \$(srcdir)/java/parse.h \$(srcdir)/java/builtins.c \$(srcdir)/java/class.c \$(srcdir)/java/constants.c \$(srcdir)/java/decl.c \$(srcdir)/java/expr.c \$(srcdir)/java/jcf-parse.c \$(srcdir)/java/jcf-write.c \$(srcdir)/java/lang.c \$(srcdir)/java/mangle.c \$(srcdir)/java/parse.y"
gtfiles="\$(srcdir)/java/java-tree.h \$(srcdir)/java/jcf.h \$(srcdir)/java/lex.h \$(srcdir)/java/parse.h \$(srcdir)/java/builtins.c \$(srcdir)/java/class.c \$(srcdir)/java/constants.c \$(srcdir)/java/decl.c \$(srcdir)/java/expr.c \$(srcdir)/java/jcf-parse.c \$(srcdir)/java/jcf-write.c \$(srcdir)/java/lang.c \$(srcdir)/java/mangle.c \$(srcdir)/java/parse.y \$(srcdir)/java/resource.c"
target_libs=${libgcj_saved}
lang_dirs="zlib fastjar"

View File

@ -397,6 +397,7 @@ java_init_decl_processing (void)
tree t;
init_class_processing ();
init_resource_processing ();
current_function_decl = NULL;
current_binding_level = NULL_BINDING_LEVEL;

View File

@ -324,10 +324,35 @@ prepare_eh_table_type (tree type)
else if (is_compiled_class (type))
exp = build_class_ref (type);
else
exp = fold (build
(PLUS_EXPR, ptr_type_node,
build_utf8_ref (DECL_NAME (TYPE_NAME (type))),
size_one_node));
{
tree ctype = make_node (RECORD_TYPE);
tree field = NULL_TREE;
tree cinit, decl;
tree utf8_ref = build_utf8_ref (DECL_NAME (TYPE_NAME (type)));
char buf[64];
sprintf (buf, "%s_ref",
IDENTIFIER_POINTER (DECL_NAME (TREE_OPERAND (utf8_ref, 0))));
PUSH_FIELD (ctype, field, "dummy", ptr_type_node);
PUSH_FIELD (ctype, field, "utf8", utf8const_ptr_type);
FINISH_RECORD (ctype);
START_RECORD_CONSTRUCTOR (cinit, ctype);
PUSH_FIELD_VALUE (cinit, "dummy", integer_minus_one_node);
PUSH_FIELD_VALUE (cinit, "utf8", utf8_ref);
FINISH_RECORD_CONSTRUCTOR (cinit);
TREE_CONSTANT (cinit) = 1;
decl = build_decl (VAR_DECL, get_identifier (buf), utf8const_type);
TREE_STATIC (decl) = 1;
DECL_ARTIFICIAL (decl) = 1;
DECL_IGNORED_P (decl) = 1;
TREE_READONLY (decl) = 1;
TREE_THIS_VOLATILE (decl) = 0;
DECL_INITIAL (decl) = cinit;
layout_decl (decl, 0);
pushdecl (decl);
rest_of_decl_compilation (decl, (char*) 0, global_bindings_p (), 0);
make_decl_rtl (decl, (char*) 0);
exp = build1 (ADDR_EXPR, utf8const_ptr_type, decl);
}
return exp;
}

View File

@ -182,7 +182,10 @@ Java bytecode files.
@item @var{file}.zip
@itemx @var{file}.jar
An archive containing one or more @code{.class} files, all of
which are compiled. The archive may be compressed.
which are compiled. The archive may be compressed. Files in
an archive which don't end with @samp{.class} are treated as
resource files; they are copmiled into the resulting object file
as @samp{core:} URLs.
@item @@@var{file}
A file containing a whitespace-separated list of input file names.
(Currently, these must all be @code{.java} source files, but that

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@ -1299,6 +1299,13 @@ struct rtx_def * java_expand_expr (tree, rtx, enum machine_mode, int);
extern void java_inlining_merge_static_initializers (tree, void *);
extern void java_inlining_map_static_initializers (tree, void *);
extern void compile_resource_data PARAMS ((char *name, const char *buffer,
int length));
extern void write_resource_constructor PARAMS ((void));
extern void compile_resource_file PARAMS ((char *name, const char *filename));
extern void init_resource_processing PARAMS ((void));
#define DECL_FINAL(DECL) DECL_LANG_FLAG_3 (DECL)
/* Access flags etc for a method (a FUNCTION_DECL): */

View File

@ -186,48 +186,48 @@ open_in_zip (JCF *jcf, const char *zipfile, const char *zipmember,
int
read_zip_member (JCF *jcf, ZipDirectory *zipd, ZipFile *zipf)
{
jcf->filbuf = jcf_unexpected_eof;
jcf->zipd = (void *)zipd;
jcf->filbuf = jcf_unexpected_eof;
jcf->zipd = (void *)zipd;
if (zipd->compression_method == Z_NO_COMPRESSION)
{
jcf->buffer = ALLOC (zipd->size);
jcf->buffer_end = jcf->buffer + zipd->size;
jcf->read_ptr = jcf->buffer;
jcf->read_end = jcf->buffer_end;
if (lseek (zipf->fd, zipd->filestart, 0) < 0
|| read (zipf->fd, jcf->buffer, zipd->size) != (long) zipd->size)
return -2;
}
else
{
char *buffer;
z_stream d_stream; /* decompression stream */
d_stream.zalloc = (alloc_func) 0;
d_stream.zfree = (free_func) 0;
d_stream.opaque = (voidpf) 0;
if (zipd->compression_method == Z_NO_COMPRESSION)
{
jcf->buffer = ALLOC (zipd->size);
jcf->buffer_end = jcf->buffer + zipd->size;
jcf->read_ptr = jcf->buffer;
jcf->read_end = jcf->buffer_end;
if (lseek (zipf->fd, zipd->filestart, 0) < 0
|| read (zipf->fd, jcf->buffer, zipd->size) != (long) zipd->size)
return -2;
}
else
{
char *buffer;
z_stream d_stream; /* decompression stream */
d_stream.zalloc = (alloc_func) 0;
d_stream.zfree = (free_func) 0;
d_stream.opaque = (voidpf) 0;
jcf->buffer = ALLOC (zipd->uncompressed_size);
d_stream.next_out = jcf->buffer;
d_stream.avail_out = zipd->uncompressed_size;
jcf->buffer_end = jcf->buffer + zipd->uncompressed_size;
jcf->read_ptr = jcf->buffer;
jcf->read_end = jcf->buffer_end;
buffer = ALLOC (zipd->size);
d_stream.next_in = buffer;
d_stream.avail_in = zipd->size;
if (lseek (zipf->fd, zipd->filestart, 0) < 0
|| read (zipf->fd, buffer, zipd->size) != (long) zipd->size)
return -2;
/* Handle NO_HEADER using undocumented zlib feature.
This is a very common hack. */
inflateInit2 (&d_stream, -MAX_WBITS);
inflate (&d_stream, Z_NO_FLUSH);
inflateEnd (&d_stream);
FREE (buffer);
}
jcf->buffer = ALLOC (zipd->uncompressed_size);
d_stream.next_out = jcf->buffer;
d_stream.avail_out = zipd->uncompressed_size;
jcf->buffer_end = jcf->buffer + zipd->uncompressed_size;
jcf->read_ptr = jcf->buffer;
jcf->read_end = jcf->buffer_end;
buffer = ALLOC (zipd->size);
d_stream.next_in = buffer;
d_stream.avail_in = zipd->size;
if (lseek (zipf->fd, zipd->filestart, 0) < 0
|| read (zipf->fd, buffer, zipd->size) != (long) zipd->size)
return -2;
/* Handle NO_HEADER using undocumented zlib feature.
This is a very common hack. */
inflateInit2 (&d_stream, -MAX_WBITS);
inflate (&d_stream, Z_NO_FLUSH);
inflateEnd (&d_stream);
FREE (buffer);
}
return 0;
return 0;
}
const char *

View File

@ -94,6 +94,8 @@ static struct ZipFile *localToFile;
/* Declarations of some functions used here. */
static void handle_innerclass_attribute (int count, JCF *);
static tree give_name_to_class (JCF *jcf, int index);
static char *compute_class_name (struct ZipDirectory *zdir);
static int classify_zip_file (struct ZipDirectory *zdir);
static void parse_zip_file_entries (void);
static void process_zip_dir (FILE *);
static void parse_source_file_1 (tree, FILE *);
@ -1012,7 +1014,7 @@ java_parse_file (int set_yydebug ATTRIBUTE_UNUSED)
finput = fopen (IDENTIFIER_POINTER (name), "rb");
if (finput == NULL)
fatal_io_error ("can't open %s", IDENTIFIER_POINTER (name));
#ifdef IO_BUFFER_SIZE
setvbuf (finput, xmalloc (IO_BUFFER_SIZE),
_IOFBF, IO_BUFFER_SIZE);
@ -1047,7 +1049,7 @@ java_parse_file (int set_yydebug ATTRIBUTE_UNUSED)
if (open_in_zip (main_jcf, input_filename, NULL, 0) < 0)
fatal_error ("bad zip/jar file %s", IDENTIFIER_POINTER (name));
localToFile = SeenZipFiles;
/* Register all the class defined there. */
/* Register all the classes defined there. */
process_zip_dir (main_jcf->read_state);
parse_zip_file_entries ();
/*
@ -1100,6 +1102,51 @@ java_parse_file (int set_yydebug ATTRIBUTE_UNUSED)
if (flag_indirect_dispatch)
emit_offset_symbol_table ();
}
write_resource_constructor ();
}
/* Return the name of the class corresponding to the name of the file
in this zip entry. The result is newly allocated using ALLOC. */
static char *
compute_class_name (struct ZipDirectory *zdir)
{
char *class_name_in_zip_dir = ZIPDIR_FILENAME (zdir);
char *class_name;
int j;
class_name = ALLOC (zdir->filename_length + 1 - 6);
strncpy (class_name, class_name_in_zip_dir, zdir->filename_length - 6);
class_name [zdir->filename_length - 6] = '\0';
for (j = 0; class_name[j]; ++j)
class_name[j] = class_name[j] == '/' ? '.' : class_name[j];
return class_name;
}
/* Return 0 if we should skip this entry, 1 if it is a .class file, 2
if it is a property file of some sort. */
static int
classify_zip_file (struct ZipDirectory *zdir)
{
char *class_name_in_zip_dir = ZIPDIR_FILENAME (zdir);
if (zdir->filename_length > 6
&& !strncmp (&class_name_in_zip_dir[zdir->filename_length - 6],
".class", 6))
return 1;
/* For now we drop the manifest and other information. Maybe it
would make more sense to compile it in? */
if (zdir->filename_length > 8
&& !strncmp (class_name_in_zip_dir, "META-INF/", 9))
return 0;
/* Drop directory entries. */
if (zdir->filename_length > 0
&& class_name_in_zip_dir[zdir->filename_length - 1] == '/')
return 0;
return 2;
}
/* Process all class entries found in the zip file. */
@ -1113,35 +1160,80 @@ parse_zip_file_entries (void)
i < localToFile->count; i++, zdir = ZIPDIR_NEXT (zdir))
{
tree class;
/* We don't need to consider those files. */
if (!zdir->size || !zdir->filename_offset)
continue;
class = lookup_class (get_identifier (ZIPDIR_FILENAME (zdir)));
current_jcf = TYPE_JCF (class);
current_class = class;
if ( !CLASS_LOADED_P (class))
switch (classify_zip_file (zdir))
{
if (! CLASS_PARSED_P (class))
{
read_zip_member(current_jcf, zdir, localToFile);
jcf_parse (current_jcf);
}
layout_class (current_class);
load_inner_classes (current_class);
}
case 0:
continue;
if (TYPE_SIZE (current_class) != error_mark_node)
{
input_filename = current_jcf->filename;
parse_class_file ();
FREE (current_jcf->buffer); /* No longer necessary */
/* Note: there is a way to free this buffer right after a
class seen in a zip file has been parsed. The idea is the
set its jcf in such a way that buffer will be reallocated
the time the code for the class will be generated. FIXME. */
case 1:
{
char *class_name = compute_class_name (zdir);
class = lookup_class (get_identifier (class_name));
FREE (class_name);
current_jcf = TYPE_JCF (class);
current_class = class;
if (! CLASS_LOADED_P (class))
{
if (! CLASS_PARSED_P (class))
{
read_zip_member (current_jcf, zdir, localToFile);
jcf_parse (current_jcf);
}
layout_class (current_class);
load_inner_classes (current_class);
}
if (TYPE_SIZE (current_class) != error_mark_node)
{
input_filename = current_jcf->filename;
parse_class_file ();
FREE (current_jcf->buffer); /* No longer necessary */
/* Note: there is a way to free this buffer right after a
class seen in a zip file has been parsed. The idea is the
set its jcf in such a way that buffer will be reallocated
the time the code for the class will be generated. FIXME. */
}
}
break;
case 2:
{
char *file_name, *class_name_in_zip_dir, *buffer;
JCF *jcf;
file_name = ALLOC (zdir->filename_length + 1);
class_name_in_zip_dir = ZIPDIR_FILENAME (zdir);
strncpy (file_name, class_name_in_zip_dir, zdir->filename_length);
file_name[zdir->filename_length] = '\0';
jcf = ALLOC (sizeof (JCF));
JCF_ZERO (jcf);
jcf->read_state = finput;
jcf->filbuf = jcf_filbuf_from_stdio;
jcf->java_source = 0;
jcf->classname = NULL;
jcf->filename = file_name;
jcf->zipd = zdir;
if (read_zip_member (jcf, zdir, localToFile) < 0)
fatal_error ("error while reading %s from zip file", file_name);
buffer = ALLOC (zdir->filename_length + 1 +
(jcf->buffer_end - jcf->buffer));
strcpy (buffer, file_name);
memcpy (buffer + zdir->filename_length + 1,
jcf->buffer, jcf->buffer_end - jcf->buffer);
compile_resource_data (file_name, buffer,
jcf->buffer_end - jcf->buffer);
JCF_FINISH (jcf);
FREE (jcf);
FREE (buffer);
}
break;
default:
abort ();
}
}
}
@ -1165,33 +1257,18 @@ process_zip_dir (FILE *finput)
class_name_in_zip_dir = ZIPDIR_FILENAME (zdir);
/* We choose to not to process entries with a zero size or entries
not bearing the .class extension. */
if (!zdir->size || !zdir->filename_offset ||
strncmp (&class_name_in_zip_dir[zdir->filename_length-6],
".class", 6))
{
/* So it will be skipped in parse_zip_file_entries */
zdir->size = 0;
continue;
}
/* Here we skip non-class files; we handle them later. */
if (classify_zip_file (zdir) != 1)
continue;
class_name = ALLOC (zdir->filename_length+1-6);
class_name = compute_class_name (zdir);
file_name = ALLOC (zdir->filename_length+1);
jcf = ggc_alloc (sizeof (JCF));
JCF_ZERO (jcf);
strncpy (class_name, class_name_in_zip_dir, zdir->filename_length-6);
class_name [zdir->filename_length-6] = '\0';
strncpy (file_name, class_name_in_zip_dir, zdir->filename_length);
file_name [zdir->filename_length] = '\0';
for (j=0; class_name[j]; j++)
class_name [j] = (class_name [j] == '/' ? '.' : class_name [j]);
/* Yes, we write back the true class name into the zip directory. */
strcpy (class_name_in_zip_dir, class_name);
zdir->filename_length = j;
class = lookup_class (get_identifier (class_name));
jcf->read_state = finput;

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gcc/java/resource.c Normal file
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@ -0,0 +1,199 @@
/* Functions related to building resource files.
Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
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 2, 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 COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
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 "tm.h"
#include "tree.h"
#include "rtl.h"
#include "flags.h"
#include "java-tree.h"
#include "jcf.h"
#include "obstack.h"
#include "toplev.h"
#include "output.h"
#include "parse.h"
#include "function.h"
#include "ggc.h"
#include "stdio.h"
#include "target.h"
/* DOS brain-damage */
#ifndef O_BINARY
#define O_BINARY 0 /* MS-DOS brain-damage */
#endif
/* A list of all the resources files. */
static GTY(()) tree resources = NULL;
/* Function used to register resources. */
static GTY(()) rtx registerResource_libfunc;
/* Count of all the resources compiled in this invocation. */
static int Jr_count = 0;
void
compile_resource_data (name, buffer, length)
char *name;
const char *buffer;
int length;
{
tree rtype, field = NULL_TREE, data_type, rinit, data, decl;
char buf[60];
data_type = build_prim_array_type (unsigned_byte_type_node,
strlen (name) + length);
rtype = make_node (RECORD_TYPE);
PUSH_FIELD (rtype, field, "name_length", unsigned_int_type_node);
PUSH_FIELD (rtype, field, "resource_length", unsigned_int_type_node);
PUSH_FIELD (rtype, field, "data", data_type);
FINISH_RECORD (rtype);
START_RECORD_CONSTRUCTOR (rinit, rtype);
PUSH_FIELD_VALUE (rinit, "name_length",
build_int_2 (strlen (name), 0));
PUSH_FIELD_VALUE (rinit, "resource_length",
build_int_2 (length, 0));
data = build_string (strlen(name) + length, buffer);
TREE_TYPE (data) = data_type;
PUSH_FIELD_VALUE (rinit, "data", data);
FINISH_RECORD_CONSTRUCTOR (rinit);
TREE_CONSTANT (rinit) = 1;
/* Generate a unique-enough identifier. */
sprintf (buf, "_Jr%d", ++Jr_count);
decl = build_decl (VAR_DECL, get_identifier (buf), rtype);
TREE_STATIC (decl) = 1;
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, (char*) 0, global_bindings_p (), 0);
make_decl_rtl (decl, (char*) 0);
assemble_variable (decl, 1, 0, 0);
resources = tree_cons (NULL_TREE, decl, resources);
}
void
write_resource_constructor ()
{
tree init_name, init_type, init_decl;
tree iter;
/* Only do work if required. */
if (resources == NULL_TREE)
return;
init_name = get_file_function_name ('I');
init_type = build_function_type (void_type_node, end_params_node);
init_decl = build_decl (FUNCTION_DECL, init_name, init_type);
SET_DECL_ASSEMBLER_NAME (init_decl, init_name);
TREE_STATIC (init_decl) = 1;
current_function_decl = init_decl;
DECL_RESULT (init_decl) = build_decl (RESULT_DECL,
NULL_TREE, void_type_node);
/* It can be a static function as long as collect2 does not have
to scan the object file to find its ctor/dtor routine. */
TREE_PUBLIC (init_decl) = ! targetm.have_ctors_dtors;
pushlevel (0);
make_decl_rtl (init_decl, NULL);
init_function_start (init_decl, input_filename, 0);
expand_function_start (init_decl, 0);
/* Write out entries in the same order in which they were defined. */
for (iter = nreverse (resources); iter != NULL_TREE;
iter = TREE_CHAIN (iter))
{
char *name = IDENTIFIER_POINTER (DECL_NAME (TREE_VALUE (iter)));
emit_library_call (registerResource_libfunc, 0, VOIDmode, 1,
gen_rtx (SYMBOL_REF, Pmode, name),
Pmode);
}
expand_function_end (input_filename, 0, 0);
poplevel (1, 0, 1);
{
/* Force generation, even with -O3 or deeper. Gross hack.
FIXME. */
int saved_flag = flag_inline_functions;
flag_inline_functions = 0;
rest_of_compilation (init_decl);
flag_inline_functions = saved_flag;
}
current_function_decl = NULL_TREE;
(* targetm.asm_out.constructor) (XEXP (DECL_RTL (init_decl), 0),
DEFAULT_INIT_PRIORITY);
}
/* 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 (name, filename)
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 = xmalloc (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);
write_resource_constructor ();
}
void
init_resource_processing ()
{
registerResource_libfunc =
gen_rtx_SYMBOL_REF (Pmode, "_Jv_RegisterResource");
}
#include "gt-java-resource.h"