/* Java language support routines for GDB, the GNU debugger.
- Copyright 1997, 1998, 1999, 2000, 2003, 2004 Free Software Foundation, Inc.
+
+ Copyright (C) 1997, 1998, 1999, 2000, 2003, 2004, 2005, 2007, 2008, 2009,
+ 2010, 2011 Free Software Foundation, Inc.
This file is part of GDB.
This program 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 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "symtab.h"
#include "demangle.h"
#include "dictionary.h"
#include <ctype.h>
-
-struct type *java_int_type;
-struct type *java_byte_type;
-struct type *java_short_type;
-struct type *java_long_type;
-struct type *java_boolean_type;
-struct type *java_char_type;
-struct type *java_float_type;
-struct type *java_double_type;
-struct type *java_void_type;
+#include "gdb_assert.h"
/* Local functions */
static int java_demangled_signature_length (char *);
static void java_demangled_signature_copy (char *, char *);
-static struct symtab *get_java_class_symtab (void);
+static struct symtab *get_java_class_symtab (struct gdbarch *gdbarch);
static char *get_java_utf8_name (struct obstack *obstack, struct value *name);
static int java_class_is_primitive (struct value *clas);
static struct value *java_value_string (char *ptr, int len);
-static void java_emit_char (int c, struct ui_file * stream, int quoter);
+static void java_emit_char (int c, struct type *type,
+ struct ui_file * stream, int quoter);
static char *java_class_name_from_physname (const char *physname);
+static const struct objfile_data *jv_dynamics_objfile_data_key;
+static const struct objfile_data *jv_type_objfile_data_key;
+
/* This objfile contains symtabs that have been dynamically created
to record dynamically loaded Java classes and dynamically
- compiled java methods. */
+ compiled java methods. */
static struct objfile *dynamics_objfile = NULL;
-static struct type *java_link_class_type (struct type *, struct value *);
+/* symtab contains classes read from the inferior. */
+
+static struct symtab *class_symtab = NULL;
+
+static struct type *java_link_class_type (struct gdbarch *,
+ struct type *, struct value *);
+
+/* An instance of this structure is used to store some data that must
+ be freed. */
+
+struct jv_per_objfile_data
+{
+ /* The expandable dictionary we use. */
+ struct dictionary *dict;
+};
+
+/* A function called when the dynamics_objfile is freed. We use this
+ to clean up some internal state. */
+static void
+jv_per_objfile_free (struct objfile *objfile, void *data)
+{
+ struct jv_per_objfile_data *jv_data = data;
+
+ gdb_assert (objfile == dynamics_objfile);
+ /* Clean up all our cached state. */
+ dynamics_objfile = NULL;
+ class_symtab = NULL;
+
+ if (jv_data->dict)
+ dict_free (jv_data->dict);
+ xfree (jv_data);
+}
/* FIXME: carlton/2003-02-04: This is the main or only caller of
allocate_objfile with first argument NULL; as a result, this code
dynamic library) after this code has been called. */
static struct objfile *
-get_dynamics_objfile (void)
+get_dynamics_objfile (struct gdbarch *gdbarch)
{
if (dynamics_objfile == NULL)
{
- dynamics_objfile = allocate_objfile (NULL, 0);
+ struct jv_per_objfile_data *data;
+
+ /* Mark it as shared so that it is cleared when the inferior is
+ re-run. */
+ dynamics_objfile = allocate_objfile (NULL, OBJF_SHARED);
+ dynamics_objfile->gdbarch = gdbarch;
+
+ data = XCNEW (struct jv_per_objfile_data);
+ set_objfile_data (dynamics_objfile, jv_dynamics_objfile_data_key, data);
}
return dynamics_objfile;
}
-#if 1
-/* symtab contains classes read from the inferior. */
-
-static struct symtab *class_symtab = NULL;
-
-static void free_class_block (struct symtab *symtab);
-
static struct symtab *
-get_java_class_symtab (void)
+get_java_class_symtab (struct gdbarch *gdbarch)
{
if (class_symtab == NULL)
{
- struct objfile *objfile = get_dynamics_objfile ();
+ struct objfile *objfile = get_dynamics_objfile (gdbarch);
struct blockvector *bv;
struct block *bl;
+ struct jv_per_objfile_data *jv_data;
+
class_symtab = allocate_symtab ("<java-classes>", objfile);
class_symtab->language = language_java;
bv = (struct blockvector *)
BLOCKVECTOR_NBLOCKS (bv) = 1;
BLOCKVECTOR (class_symtab) = bv;
- /* Allocate dummy STATIC_BLOCK. */
+ /* Allocate dummy STATIC_BLOCK. */
bl = allocate_block (&objfile->objfile_obstack);
BLOCK_DICT (bl) = dict_create_linear (&objfile->objfile_obstack,
NULL);
bl = allocate_block (&objfile->objfile_obstack);
BLOCK_DICT (bl) = dict_create_hashed_expandable ();
BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK) = bl;
- class_symtab->free_func = free_class_block;
+
+ /* Arrange to free the dict. */
+ jv_data = objfile_data (objfile, jv_dynamics_objfile_data_key);
+ jv_data->dict = BLOCK_DICT (bl);
}
return class_symtab;
}
static void
add_class_symtab_symbol (struct symbol *sym)
{
- struct symtab *symtab = get_java_class_symtab ();
+ struct symtab *symtab
+ = get_java_class_symtab (get_objfile_arch (SYMBOL_SYMTAB (sym)->objfile));
struct blockvector *bv = BLOCKVECTOR (symtab);
+
dict_add_symbol (BLOCK_DICT (BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK)), sym);
}
-static struct symbol *add_class_symbol (struct type *type, CORE_ADDR addr);
-
static struct symbol *
add_class_symbol (struct type *type, CORE_ADDR addr)
{
struct symbol *sym;
+
sym = (struct symbol *)
obstack_alloc (&dynamics_objfile->objfile_obstack, sizeof (struct symbol));
memset (sym, 0, sizeof (struct symbol));
- SYMBOL_LANGUAGE (sym) = language_java;
- DEPRECATED_SYMBOL_NAME (sym) = TYPE_TAG_NAME (type);
+ SYMBOL_SET_LANGUAGE (sym, language_java);
+ SYMBOL_SET_LINKAGE_NAME (sym, TYPE_TAG_NAME (type));
SYMBOL_CLASS (sym) = LOC_TYPEDEF;
/* SYMBOL_VALUE (sym) = valu; */
SYMBOL_TYPE (sym) = type;
return sym;
}
-/* Free the dynamic symbols block. */
-static void
-free_class_block (struct symtab *symtab)
-{
- struct blockvector *bv = BLOCKVECTOR (symtab);
- struct block *bl = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK);
-
- dict_free (BLOCK_DICT (bl));
-}
-#endif
-
struct type *
java_lookup_class (char *name)
{
struct symbol *sym;
- sym = lookup_symbol (name, expression_context_block, STRUCT_DOMAIN,
- (int *) 0, (struct symtab **) NULL);
+
+ sym = lookup_symbol (name, expression_context_block, STRUCT_DOMAIN, NULL);
if (sym != NULL)
return SYMBOL_TYPE (sym);
-#if 0
- CORE_ADDR addr;
- if (called from parser)
- {
- call lookup_class (or similar) in inferior;
- if not
- found:
- return NULL;
- addr = found in inferior;
- }
- else
- addr = 0;
- struct type *type;
- type = alloc_type (objfile);
- TYPE_CODE (type) = TYPE_CODE_STRUCT;
- INIT_CPLUS_SPECIFIC (type);
- TYPE_TAG_NAME (type) = obsavestring (name, strlen (name), &objfile->objfile_obstack);
- TYPE_FLAGS (type) |= TYPE_FLAG_STUB;
- TYPE ? = addr;
- return type;
-#else
- /* FIXME - should search inferior's symbol table. */
+ /* FIXME - should search inferior's symbol table. */
return NULL;
-#endif
}
/* Return a nul-terminated string (allocated on OBSTACK) for
- a name given by NAME (which has type Utf8Const*). */
+ a name given by NAME (which has type Utf8Const*). */
char *
get_java_utf8_name (struct obstack *obstack, struct value *name)
struct value *temp = name;
int name_length;
CORE_ADDR data_addr;
+
temp = value_struct_elt (&temp, NULL, "length", NULL, "structure");
name_length = (int) value_as_long (temp);
- data_addr = VALUE_ADDRESS (temp) + VALUE_OFFSET (temp)
- + TYPE_LENGTH (VALUE_TYPE (temp));
+ data_addr = value_address (temp) + TYPE_LENGTH (value_type (temp));
chrs = obstack_alloc (obstack, name_length + 1);
chrs[name_length] = '\0';
- read_memory (data_addr, chrs, name_length);
+ read_memory (data_addr, (gdb_byte *) chrs, name_length);
return chrs;
}
class are fixed. FIXME */
struct value *vtable_val;
- if (TYPE_CODE (VALUE_TYPE (obj_val)) == TYPE_CODE_PTR
- && TYPE_LENGTH (TYPE_TARGET_TYPE (VALUE_TYPE (obj_val))) == 0)
+ if (TYPE_CODE (value_type (obj_val)) == TYPE_CODE_PTR
+ && TYPE_LENGTH (TYPE_TARGET_TYPE (value_type (obj_val))) == 0)
obj_val = value_at (get_java_object_type (),
- value_as_address (obj_val), NULL);
+ value_as_address (obj_val));
vtable_val = value_struct_elt (&obj_val, NULL, "vtable", NULL, "structure");
return value_struct_elt (&vtable_val, NULL, "class", NULL, "structure");
static int
java_class_is_primitive (struct value *clas)
{
- struct value *vtable = value_struct_elt (&clas, NULL, "vtable", NULL, "struct");
+ struct value *vtable = value_struct_elt (&clas, NULL, "vtable",
+ NULL, "struct");
CORE_ADDR i = value_as_address (vtable);
+
return (int) (i & 0x7fffffff) == (int) 0x7fffffff;
}
-/* Read a GCJ Class object, and generated a gdb (TYPE_CODE_STRUCT) type. */
+/* Read a GCJ Class object, and generated a gdb (TYPE_CODE_STRUCT) type. */
struct type *
-type_from_class (struct value *clas)
+type_from_class (struct gdbarch *gdbarch, struct value *clas)
{
struct type *type;
char *name;
struct value *utf8_name;
char *nptr;
CORE_ADDR addr;
- struct block *bl;
- struct dict_iterator iter;
int is_array = 0;
- type = check_typedef (VALUE_TYPE (clas));
+ type = check_typedef (value_type (clas));
if (TYPE_CODE (type) == TYPE_CODE_PTR)
{
if (value_logical_not (clas))
return NULL;
clas = value_ind (clas);
}
- addr = VALUE_ADDRESS (clas) + VALUE_OFFSET (clas);
+ addr = value_address (clas);
-#if 0
- get_java_class_symtab ();
- bl = BLOCKVECTOR_BLOCK (BLOCKVECTOR (class_symtab), GLOBAL_BLOCK);
- ALL_BLOCK_SYMBOLS (block, iter, sym)
- {
- if (SYMBOL_VALUE_ADDRESS (sym) == addr)
- return SYMBOL_TYPE (sym);
- }
-#endif
-
- objfile = get_dynamics_objfile ();
+ objfile = get_dynamics_objfile (gdbarch);
if (java_class_is_primitive (clas))
{
struct value *sig;
+
temp = clas;
sig = value_struct_elt (&temp, NULL, "method_count", NULL, "structure");
- return java_primitive_type (value_as_long (sig));
+ return java_primitive_type (gdbarch, value_as_long (sig));
}
- /* Get Class name. */
- /* if clasloader non-null, prepend loader address. FIXME */
+ /* Get Class name. */
+ /* If clasloader non-null, prepend loader address. FIXME */
temp = clas;
utf8_name = value_struct_elt (&temp, NULL, "name", NULL, "structure");
name = get_java_utf8_name (&objfile->objfile_obstack, utf8_name);
{
char *signature = name;
int namelen = java_demangled_signature_length (signature);
+
if (namelen > strlen (name))
name = obstack_alloc (&objfile->objfile_obstack, namelen + 1);
java_demangled_signature_copy (name, signature);
name[namelen] = '\0';
is_array = 1;
temp = clas;
- /* Set array element type. */
+ /* Set array element type. */
temp = value_struct_elt (&temp, NULL, "methods", NULL, "structure");
- VALUE_TYPE (temp) = lookup_pointer_type (VALUE_TYPE (clas));
- TYPE_TARGET_TYPE (type) = type_from_class (temp);
+ deprecated_set_value_type (temp,
+ lookup_pointer_type (value_type (clas)));
+ TYPE_TARGET_TYPE (type) = type_from_class (gdbarch, temp);
}
ALLOCATE_CPLUS_STRUCT_TYPE (type);
TYPE_TAG_NAME (type) = name;
add_class_symtab_symbol (add_class_symbol (type, addr));
- return java_link_class_type (type, clas);
+ return java_link_class_type (gdbarch, type, clas);
}
-/* Fill in class TYPE with data from the CLAS value. */
+/* Fill in class TYPE with data from the CLAS value. */
-struct type *
-java_link_class_type (struct type *type, struct value *clas)
+static struct type *
+java_link_class_type (struct gdbarch *gdbarch,
+ struct type *type, struct value *clas)
{
struct value *temp;
char *unqualified_name;
struct value *method = NULL;
struct value *field = NULL;
int i, j;
- struct objfile *objfile = get_dynamics_objfile ();
+ struct objfile *objfile = get_dynamics_objfile (gdbarch);
struct type *tsuper;
+ gdb_assert (name != NULL);
unqualified_name = strrchr (name, '.');
if (unqualified_name == NULL)
unqualified_name = name;
temp = clas;
temp = value_struct_elt (&temp, NULL, "superclass", NULL, "structure");
- if (name != NULL && strcmp (name, "java.lang.Object") == 0)
+ if (strcmp (name, "java.lang.Object") == 0)
{
tsuper = get_java_object_type ();
if (tsuper && TYPE_CODE (tsuper) == TYPE_CODE_PTR)
type_is_object = 1;
}
else
- tsuper = type_from_class (temp);
+ tsuper = type_from_class (gdbarch, temp);
#if 1
ninterfaces = 0;
#else
temp = clas;
- ninterfaces = value_as_long (value_struct_elt (&temp, NULL, "interface_len", NULL, "structure"));
+ ninterfaces = value_as_long (value_struct_elt (&temp, NULL, "interface_len",
+ NULL, "structure"));
#endif
TYPE_N_BASECLASSES (type) = (tsuper == NULL ? 0 : 1) + ninterfaces;
temp = clas;
- nfields = value_as_long (value_struct_elt (&temp, NULL, "field_count", NULL, "structure"));
+ nfields = value_as_long (value_struct_elt (&temp, NULL, "field_count",
+ NULL, "structure"));
nfields += TYPE_N_BASECLASSES (type);
- nfields++; /* Add one for dummy "class" field. */
+ nfields++; /* Add one for dummy "class" field. */
TYPE_NFIELDS (type) = nfields;
TYPE_FIELDS (type) = (struct field *)
TYPE_ALLOC (type, sizeof (struct field) * nfields);
if (i > 2 && name[i - 1] == ']' && tsuper != NULL)
{
/* FIXME */
- TYPE_LENGTH (type) = TYPE_LENGTH (tsuper) + 4; /* size with "length" */
+ TYPE_LENGTH (type) = TYPE_LENGTH (tsuper) + 4; /* size with "length" */
}
else
{
temp = clas;
- temp = value_struct_elt (&temp, NULL, "size_in_bytes", NULL, "structure");
+ temp = value_struct_elt (&temp, NULL, "size_in_bytes",
+ NULL, "structure");
TYPE_LENGTH (type) = value_as_long (temp);
}
fields = NULL;
- nfields--; /* First set up dummy "class" field. */
- SET_FIELD_PHYSADDR (TYPE_FIELD (type, nfields),
- VALUE_ADDRESS (clas) + VALUE_OFFSET (clas));
+ nfields--; /* First set up dummy "class" field. */
+ SET_FIELD_PHYSADDR (TYPE_FIELD (type, nfields), value_address (clas));
TYPE_FIELD_NAME (type, nfields) = "class";
- TYPE_FIELD_TYPE (type, nfields) = VALUE_TYPE (clas);
+ TYPE_FIELD_TYPE (type, nfields) = value_type (clas);
SET_TYPE_FIELD_PRIVATE (type, nfields);
for (i = TYPE_N_BASECLASSES (type); i < nfields; i++)
{
int accflags;
int boffset;
+
if (fields == NULL)
{
temp = clas;
field = value_ind (fields);
}
else
- { /* Re-use field value for next field. */
- VALUE_ADDRESS (field) += TYPE_LENGTH (VALUE_TYPE (field));
- VALUE_LAZY (field) = 1;
+ { /* Re-use field value for next field. */
+ CORE_ADDR addr
+ = value_address (field) + TYPE_LENGTH (value_type (field));
+
+ set_value_address (field, addr);
+ set_value_lazy (field, 1);
}
temp = field;
temp = value_struct_elt (&temp, NULL, "name", NULL, "structure");
else
{
struct type *ftype;
+
temp = field;
temp = value_struct_elt (&temp, NULL, "type", NULL, "structure");
- ftype = type_from_class (temp);
+ ftype = type_from_class (gdbarch, temp);
if (TYPE_CODE (ftype) == TYPE_CODE_STRUCT)
ftype = lookup_pointer_type (ftype);
TYPE_FIELD_TYPE (type, i) = ftype;
{
char *mname;
int k;
+
if (methods == NULL)
{
temp = clas;
- methods = value_struct_elt (&temp, NULL, "methods", NULL, "structure");
+ methods = value_struct_elt (&temp, NULL, "methods",
+ NULL, "structure");
method = value_ind (methods);
}
else
- { /* Re-use method value for next method. */
- VALUE_ADDRESS (method) += TYPE_LENGTH (VALUE_TYPE (method));
- VALUE_LAZY (method) = 1;
+ { /* Re-use method value for next method. */
+ CORE_ADDR addr
+ = value_address (method) + TYPE_LENGTH (value_type (method));
+
+ set_value_address (method, addr);
+ set_value_lazy (method, 1);
}
- /* Get method name. */
+ /* Get method name. */
temp = method;
temp = value_struct_elt (&temp, NULL, "name", NULL, "structure");
mname = get_java_utf8_name (&objfile->objfile_obstack, temp);
for (k = 0, j = TYPE_NFN_FIELDS (type);;)
{
if (--j < 0)
- { /* No match - new method name. */
+ { /* No match - new method name. */
j = TYPE_NFN_FIELDS (type)++;
fn_fieldlists[j].name = mname;
fn_fieldlists[j].length = 1;
break;
}
if (strcmp (mname, fn_fieldlists[j].name) == 0)
- { /* Found an existing method with the same name. */
+ { /* Found an existing method with the same name. */
int l;
+
if (mname != unqualified_name)
obstack_free (&objfile->objfile_obstack, mname);
mname = fn_fieldlists[j].name;
fn_fieldlists[j].length++;
- k = i - k; /* Index of new slot. */
- /* Shift intervening fn_fields (between k and i) down. */
+ k = i - k; /* Index of new slot. */
+ /* Shift intervening fn_fields (between k and i) down. */
for (l = i; l > k; l--)
fn_fields[l] = fn_fields[l - 1];
for (l = TYPE_NFN_FIELDS (type); --l > j;)
}
fn_fields[k].physname = "";
fn_fields[k].is_stub = 1;
- fn_fields[k].type = make_function_type (java_void_type, NULL); /* FIXME */
+ /* FIXME */
+ fn_fields[k].type = lookup_function_type
+ (builtin_java_type (gdbarch)->builtin_void);
TYPE_CODE (fn_fields[k].type) = TYPE_CODE_METHOD;
}
static struct type *java_object_type;
+/* A free function that is attached to the objfile defining
+ java_object_type. This is used to clear the cached type whenever
+ its owning objfile is destroyed. */
+static void
+jv_clear_object_type (struct objfile *objfile, void *ignore)
+{
+ java_object_type = NULL;
+}
+
+static void
+set_java_object_type (struct type *type)
+{
+ struct objfile *owner;
+
+ gdb_assert (java_object_type == NULL);
+
+ owner = TYPE_OBJFILE (type);
+ if (owner)
+ set_objfile_data (owner, jv_type_objfile_data_key, &java_object_type);
+ java_object_type = type;
+}
+
struct type *
get_java_object_type (void)
{
if (java_object_type == NULL)
{
struct symbol *sym;
- sym = lookup_symbol ("java.lang.Object", NULL, STRUCT_DOMAIN,
- (int *) 0, (struct symtab **) NULL);
+
+ sym = lookup_symbol ("java.lang.Object", NULL, STRUCT_DOMAIN, NULL);
if (sym == NULL)
- error ("cannot find java.lang.Object");
- java_object_type = SYMBOL_TYPE (sym);
+ error (_("cannot find java.lang.Object"));
+ set_java_object_type (SYMBOL_TYPE (sym));
}
return java_object_type;
}
int
-get_java_object_header_size (void)
+get_java_object_header_size (struct gdbarch *gdbarch)
{
struct type *objtype = get_java_object_type ();
+
if (objtype == NULL)
- return (2 * TARGET_PTR_BIT / TARGET_CHAR_BIT);
+ return (2 * gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT);
else
return TYPE_LENGTH (objtype);
}
name = TYPE_TAG_NAME (ttype);
if (name != NULL && strcmp (name, "java.lang.Object") == 0)
return 1;
- name = TYPE_NFIELDS (ttype) > 0 ? TYPE_FIELD_NAME (ttype, 0) : (char *) 0;
+ name
+ = TYPE_NFIELDS (ttype) > 0 ? TYPE_FIELD_NAME (ttype, 0) : (char *) 0;
if (name != NULL && strcmp (name, "vtable") == 0)
{
if (java_object_type == NULL)
- java_object_type = type;
+ set_java_object_type (type);
return 1;
}
}
}
struct type *
-java_primitive_type (int signature)
+java_primitive_type (struct gdbarch *gdbarch, int signature)
{
+ const struct builtin_java_type *builtin = builtin_java_type (gdbarch);
+
switch (signature)
{
case 'B':
- return java_byte_type;
+ return builtin->builtin_byte;
case 'S':
- return java_short_type;
+ return builtin->builtin_short;
case 'I':
- return java_int_type;
+ return builtin->builtin_int;
case 'J':
- return java_long_type;
+ return builtin->builtin_long;
case 'Z':
- return java_boolean_type;
+ return builtin->builtin_boolean;
case 'C':
- return java_char_type;
+ return builtin->builtin_char;
case 'F':
- return java_float_type;
+ return builtin->builtin_float;
case 'D':
- return java_double_type;
+ return builtin->builtin_double;
case 'V':
- return java_void_type;
+ return builtin->builtin_void;
}
- error ("unknown signature '%c' for primitive type", (char) signature);
+ error (_("unknown signature '%c' for primitive type"), (char) signature);
}
/* If name[0 .. namelen-1] is the name of a primitive Java type,
- return that type. Otherwise, return NULL. */
+ return that type. Otherwise, return NULL. */
struct type *
-java_primitive_type_from_name (char *name, int namelen)
+java_primitive_type_from_name (struct gdbarch *gdbarch,
+ char *name, int namelen)
{
+ const struct builtin_java_type *builtin = builtin_java_type (gdbarch);
+
switch (name[0])
{
case 'b':
if (namelen == 4 && memcmp (name, "byte", 4) == 0)
- return java_byte_type;
+ return builtin->builtin_byte;
if (namelen == 7 && memcmp (name, "boolean", 7) == 0)
- return java_boolean_type;
+ return builtin->builtin_boolean;
break;
case 'c':
if (namelen == 4 && memcmp (name, "char", 4) == 0)
- return java_char_type;
+ return builtin->builtin_char;
+ break;
case 'd':
if (namelen == 6 && memcmp (name, "double", 6) == 0)
- return java_double_type;
+ return builtin->builtin_double;
break;
case 'f':
if (namelen == 5 && memcmp (name, "float", 5) == 0)
- return java_float_type;
+ return builtin->builtin_float;
break;
case 'i':
if (namelen == 3 && memcmp (name, "int", 3) == 0)
- return java_int_type;
+ return builtin->builtin_int;
break;
case 'l':
if (namelen == 4 && memcmp (name, "long", 4) == 0)
- return java_long_type;
+ return builtin->builtin_long;
break;
case 's':
if (namelen == 5 && memcmp (name, "short", 5) == 0)
- return java_short_type;
+ return builtin->builtin_short;
break;
case 'v':
if (namelen == 4 && memcmp (name, "void", 4) == 0)
- return java_void_type;
+ return builtin->builtin_void;
break;
}
return NULL;
}
+static char *
+java_primitive_type_name (int signature)
+{
+ switch (signature)
+ {
+ case 'B':
+ return "byte";
+ case 'S':
+ return "short";
+ case 'I':
+ return "int";
+ case 'J':
+ return "long";
+ case 'Z':
+ return "boolean";
+ case 'C':
+ return "char";
+ case 'F':
+ return "float";
+ case 'D':
+ return "double";
+ case 'V':
+ return "void";
+ }
+ error (_("unknown signature '%c' for primitive type"), (char) signature);
+}
+
/* Return the length (in bytes) of demangled name of the Java type
- signature string SIGNATURE. */
+ signature string SIGNATURE. */
static int
java_demangled_signature_length (char *signature)
{
int array = 0;
+
for (; *signature == '['; signature++)
- array += 2; /* Two chars for "[]". */
+ array += 2; /* Two chars for "[]". */
switch (signature[0])
{
case 'L':
- /* Subtract 2 for 'L' and ';'. */
+ /* Subtract 2 for 'L' and ';'. */
return strlen (signature) - 2 + array;
default:
- return strlen (TYPE_NAME (java_primitive_type (signature[0]))) + array;
+ return strlen (java_primitive_type_name (signature[0])) + array;
}
}
-/* Demangle the Java type signature SIGNATURE, leaving the result in RESULT. */
+/* Demangle the Java type signature SIGNATURE, leaving the result in
+ RESULT. */
static void
java_demangled_signature_copy (char *result, char *signature)
int array = 0;
char *ptr;
int i;
+
while (*signature == '[')
{
array++;
switch (signature[0])
{
case 'L':
- /* Subtract 2 for 'L' and ';', but add 1 for final nul. */
+ /* Subtract 2 for 'L' and ';', but add 1 for final nul. */
signature++;
ptr = result;
for (; *signature != ';' && *signature != '\0'; signature++)
}
break;
default:
- ptr = TYPE_NAME (java_primitive_type (signature[0]));
+ ptr = java_primitive_type_name (signature[0]);
i = strlen (ptr);
strcpy (result, ptr);
ptr = result + i;
}
/* Return the demangled name of the Java type signature string SIGNATURE,
- as a freshly allocated copy. */
+ as a freshly allocated copy. */
char *
java_demangle_type_signature (char *signature)
{
int length = java_demangled_signature_length (signature);
char *result = xmalloc (length + 1);
+
java_demangled_signature_copy (result, signature);
result[length] = '\0';
return result;
}
/* Return the type of TYPE followed by DIMS pairs of [ ].
- If DIMS == 0, TYPE is returned. */
+ If DIMS == 0, TYPE is returned. */
struct type *
java_array_type (struct type *type, int dims)
{
- struct type *range_type;
-
while (dims-- > 0)
{
- range_type = create_range_type (NULL, builtin_type_int, 0, 0);
- /* FIXME This is bogus! Java arrays are not gdb arrays! */
- type = create_array_type (NULL, type, range_type);
+ /* FIXME This is bogus! Java arrays are not gdb arrays! */
+ type = lookup_array_range_type (type, 0, 0);
}
return type;
}
-/* Create a Java string in the inferior from a (Utf8) literal. */
+/* Create a Java string in the inferior from a (Utf8) literal. */
static struct value *
java_value_string (char *ptr, int len)
{
- error ("not implemented - java_value_string"); /* FIXME */
+ error (_("not implemented - java_value_string")); /* FIXME */
}
/* Print the character C on STREAM as part of the contents of a literal
string whose delimiter is QUOTER. Note that that format for printing
- characters and strings is language specific. */
+ characters and strings is language specific. */
static void
-java_emit_char (int c, struct ui_file *stream, int quoter)
+java_emit_char (int c, struct type *type, struct ui_file *stream, int quoter)
{
switch (c)
{
struct value *arg1;
struct value *arg2;
struct type *type;
+
switch (op)
{
case UNOP_IND:
goto standard;
(*pos)++;
arg1 = evaluate_subexp_java (NULL_TYPE, exp, pos, EVAL_NORMAL);
- if (is_object_type (VALUE_TYPE (arg1)))
+ if (is_object_type (value_type (arg1)))
{
struct type *type;
- type = type_from_class (java_class_from_object (arg1));
+ type = type_from_class (exp->gdbarch, java_class_from_object (arg1));
arg1 = value_cast (lookup_pointer_type (type), arg1);
}
- if (noside == EVAL_SKIP)
- goto nosideret;
return value_ind (arg1);
case BINOP_SUBSCRIPT:
goto nosideret;
/* If the user attempts to subscript something that is not an
array or pointer type (like a plain int variable for example),
- then report this as an error. */
+ then report this as an error. */
- COERCE_REF (arg1);
- type = check_typedef (VALUE_TYPE (arg1));
+ arg1 = coerce_ref (arg1);
+ type = check_typedef (value_type (arg1));
if (TYPE_CODE (type) == TYPE_CODE_PTR)
type = check_typedef (TYPE_TARGET_TYPE (type));
name = TYPE_NAME (type);
if (TYPE_CODE (type) == TYPE_CODE_STRUCT
&& i > 2 && name[i - 1] == ']')
{
+ enum bfd_endian byte_order = gdbarch_byte_order (exp->gdbarch);
CORE_ADDR address;
long length, index;
struct type *el_type;
- char buf4[4];
+ gdb_byte buf4[4];
struct value *clas = java_class_from_object (arg1);
struct value *temp = clas;
- /* Get CLASS_ELEMENT_TYPE of the array type. */
+ /* Get CLASS_ELEMENT_TYPE of the array type. */
temp = value_struct_elt (&temp, NULL, "methods",
NULL, "structure");
- VALUE_TYPE (temp) = VALUE_TYPE (clas);
- el_type = type_from_class (temp);
+ deprecated_set_value_type (temp, value_type (clas));
+ el_type = type_from_class (exp->gdbarch, temp);
if (TYPE_CODE (el_type) == TYPE_CODE_STRUCT)
el_type = lookup_pointer_type (el_type);
if (noside == EVAL_AVOID_SIDE_EFFECTS)
return value_zero (el_type, VALUE_LVAL (arg1));
address = value_as_address (arg1);
- address += JAVA_OBJECT_SIZE;
+ address += get_java_object_header_size (exp->gdbarch);
read_memory (address, buf4, 4);
- length = (long) extract_signed_integer (buf4, 4);
+ length = (long) extract_signed_integer (buf4, 4, byte_order);
index = (long) value_as_long (arg2);
if (index >= length || index < 0)
- error ("array index (%ld) out of bounds (length: %ld)",
+ error (_("array index (%ld) out of bounds (length: %ld)"),
index, length);
address = (address + 4) + index * TYPE_LENGTH (el_type);
- return value_at (el_type, address, NULL);
+ return value_at (el_type, address);
}
else if (TYPE_CODE (type) == TYPE_CODE_ARRAY)
{
if (noside == EVAL_AVOID_SIDE_EFFECTS)
return value_zero (TYPE_TARGET_TYPE (type), VALUE_LVAL (arg1));
else
- return value_subscript (arg1, arg2);
+ return value_subscript (arg1, value_as_long (arg2));
}
if (name)
- error ("cannot subscript something of type `%s'", name);
+ error (_("cannot subscript something of type `%s'"), name);
else
- error ("cannot subscript requested type");
+ error (_("cannot subscript requested type"));
case OP_STRING:
(*pos)++;
goto nosideret;
return java_value_string (&exp->elts[pc + 2].string, i);
- case STRUCTOP_STRUCT:
+ case STRUCTOP_PTR:
arg1 = evaluate_subexp_standard (expect_type, exp, pos, noside);
- /* Convert object field (such as TYPE.class) to reference. */
- if (TYPE_CODE (VALUE_TYPE (arg1)) == TYPE_CODE_STRUCT)
+ /* Convert object field (such as TYPE.class) to reference. */
+ if (TYPE_CODE (value_type (arg1)) == TYPE_CODE_STRUCT)
arg1 = value_addr (arg1);
return arg1;
default:
standard:
return evaluate_subexp_standard (expect_type, exp, pos, noside);
nosideret:
- return value_from_longest (builtin_type_long, (LONGEST) 1);
-}
-
-static struct type *
-java_create_fundamental_type (struct objfile *objfile, int typeid)
-{
- switch (typeid)
- {
- case FT_VOID:
- return java_void_type;
- case FT_BOOLEAN:
- return java_boolean_type;
- case FT_CHAR:
- return java_char_type;
- case FT_FLOAT:
- return java_float_type;
- case FT_DBL_PREC_FLOAT:
- return java_double_type;
- case FT_BYTE:
- case FT_SIGNED_CHAR:
- return java_byte_type;
- case FT_SHORT:
- case FT_SIGNED_SHORT:
- return java_short_type;
- case FT_INTEGER:
- case FT_SIGNED_INTEGER:
- return java_int_type;
- case FT_LONG:
- case FT_SIGNED_LONG:
- return java_long_type;
- }
- return c_create_fundamental_type (objfile, typeid);
+ return value_from_longest (builtin_type (exp->gdbarch)->builtin_int, 1);
}
static char *java_demangle (const char *mangled, int options)
{
char *ret = NULL;
const char *end;
- int depth = 0;
char *demangled_name = java_demangle (physname, DMGL_PARAMS | DMGL_ANSI);
if (demangled_name == NULL)
{"<", BINOP_LESS, PREC_ORDER, 0},
{">>", BINOP_RSH, PREC_SHIFT, 0},
{"<<", BINOP_LSH, PREC_SHIFT, 0},
-#if 0
- {">>>", BINOP_ ? ? ?, PREC_SHIFT, 0},
-#endif
{"+", BINOP_ADD, PREC_ADD, 0},
{"-", BINOP_SUB, PREC_ADD, 0},
{"*", BINOP_MUL, PREC_MUL, 0},
{"!", UNOP_LOGICAL_NOT, PREC_PREFIX, 0},
{"~", UNOP_COMPLEMENT, PREC_PREFIX, 0},
{"*", UNOP_IND, PREC_PREFIX, 0},
-#if 0
- {"instanceof", ? ? ?, ? ? ?, 0},
-#endif
{"++", UNOP_PREINCREMENT, PREC_PREFIX, 0},
{"--", UNOP_PREDECREMENT, PREC_PREFIX, 0},
{NULL, 0, 0, 0}
};
+enum java_primitive_types
+{
+ java_primitive_type_int,
+ java_primitive_type_short,
+ java_primitive_type_long,
+ java_primitive_type_byte,
+ java_primitive_type_boolean,
+ java_primitive_type_char,
+ java_primitive_type_float,
+ java_primitive_type_double,
+ java_primitive_type_void,
+ nr_java_primitive_types
+};
+
+static void
+java_language_arch_info (struct gdbarch *gdbarch,
+ struct language_arch_info *lai)
+{
+ const struct builtin_java_type *builtin = builtin_java_type (gdbarch);
+
+ lai->string_char_type = builtin->builtin_char;
+ lai->primitive_type_vector
+ = GDBARCH_OBSTACK_CALLOC (gdbarch, nr_java_primitive_types + 1,
+ struct type *);
+ lai->primitive_type_vector [java_primitive_type_int]
+ = builtin->builtin_int;
+ lai->primitive_type_vector [java_primitive_type_short]
+ = builtin->builtin_short;
+ lai->primitive_type_vector [java_primitive_type_long]
+ = builtin->builtin_long;
+ lai->primitive_type_vector [java_primitive_type_byte]
+ = builtin->builtin_byte;
+ lai->primitive_type_vector [java_primitive_type_boolean]
+ = builtin->builtin_boolean;
+ lai->primitive_type_vector [java_primitive_type_char]
+ = builtin->builtin_char;
+ lai->primitive_type_vector [java_primitive_type_float]
+ = builtin->builtin_float;
+ lai->primitive_type_vector [java_primitive_type_double]
+ = builtin->builtin_double;
+ lai->primitive_type_vector [java_primitive_type_void]
+ = builtin->builtin_void;
+
+ lai->bool_type_symbol = "boolean";
+ lai->bool_type_default = builtin->builtin_boolean;
+}
+
const struct exp_descriptor exp_descriptor_java =
{
print_subexp_standard,
operator_length_standard,
+ operator_check_standard,
op_name_standard,
dump_subexp_body_standard,
evaluate_subexp_java
{
"java", /* Language name */
language_java,
- NULL,
range_check_off,
type_check_off,
case_sensitive_on,
array_row_major,
+ macro_expansion_no,
&exp_descriptor_java,
java_parse,
java_error,
c_printchar, /* Print a character constant */
c_printstr, /* Function to print string constant */
java_emit_char, /* Function to print a single character */
- java_create_fundamental_type, /* Create fundamental type in this language */
java_print_type, /* Print a type using appropriate syntax */
+ default_print_typedef, /* Print a typedef using appropriate syntax */
java_val_print, /* Print a value using appropriate syntax */
java_value_print, /* Print a top-level value */
NULL, /* Language specific skip_trampoline */
- value_of_this, /* value_of_this */
+ "this", /* name_of_this */
basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */
basic_lookup_transparent_type,/* lookup_transparent_type */
java_demangle, /* Language specific symbol demangler */
java_op_print_tab, /* expression operators for printing */
0, /* not c-style arrays */
0, /* String lower bound */
- NULL,
default_word_break_characters,
- c_language_arch_info,
+ default_make_symbol_completion_list,
+ java_language_arch_info,
+ default_print_array_index,
+ default_pass_by_reference,
+ default_get_string,
LANG_MAGIC
};
-void
-_initialize_java_language (void)
+static void *
+build_java_types (struct gdbarch *gdbarch)
{
+ struct builtin_java_type *builtin_java_type
+ = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct builtin_java_type);
+
+ builtin_java_type->builtin_int
+ = arch_integer_type (gdbarch, 32, 0, "int");
+ builtin_java_type->builtin_short
+ = arch_integer_type (gdbarch, 16, 0, "short");
+ builtin_java_type->builtin_long
+ = arch_integer_type (gdbarch, 64, 0, "long");
+ builtin_java_type->builtin_byte
+ = arch_integer_type (gdbarch, 8, 0, "byte");
+ builtin_java_type->builtin_boolean
+ = arch_boolean_type (gdbarch, 8, 0, "boolean");
+ builtin_java_type->builtin_char
+ = arch_character_type (gdbarch, 16, 1, "char");
+ builtin_java_type->builtin_float
+ = arch_float_type (gdbarch, 32, "float", NULL);
+ builtin_java_type->builtin_double
+ = arch_float_type (gdbarch, 64, "double", NULL);
+ builtin_java_type->builtin_void
+ = arch_type (gdbarch, TYPE_CODE_VOID, 1, "void");
+
+ return builtin_java_type;
+}
- java_int_type = init_type (TYPE_CODE_INT, 4, 0, "int", NULL);
- java_short_type = init_type (TYPE_CODE_INT, 2, 0, "short", NULL);
- java_long_type = init_type (TYPE_CODE_INT, 8, 0, "long", NULL);
- java_byte_type = init_type (TYPE_CODE_INT, 1, 0, "byte", NULL);
- java_boolean_type = init_type (TYPE_CODE_BOOL, 1, 0, "boolean", NULL);
- java_char_type = init_type (TYPE_CODE_CHAR, 2, TYPE_FLAG_UNSIGNED, "char", NULL);
- java_float_type = init_type (TYPE_CODE_FLT, 4, 0, "float", NULL);
- java_double_type = init_type (TYPE_CODE_FLT, 8, 0, "double", NULL);
- java_void_type = init_type (TYPE_CODE_VOID, 1, 0, "void", NULL);
+static struct gdbarch_data *java_type_data;
- add_language (&java_language_defn);
+const struct builtin_java_type *
+builtin_java_type (struct gdbarch *gdbarch)
+{
+ return gdbarch_data (gdbarch, java_type_data);
}
-/* Cleanup code that should be run on every "run".
- We should use make_run_cleanup to have this be called.
- But will that mess up values in value histry? FIXME */
-
-extern void java_rerun_cleanup (void);
void
-java_rerun_cleanup (void)
+_initialize_java_language (void)
{
- if (class_symtab != NULL)
- {
- free_symtab (class_symtab); /* ??? */
- class_symtab = NULL;
- }
- if (dynamics_objfile != NULL)
- {
- free_objfile (dynamics_objfile);
- dynamics_objfile = NULL;
- }
+ jv_dynamics_objfile_data_key
+ = register_objfile_data_with_cleanup (NULL, jv_per_objfile_free);
+ jv_type_objfile_data_key
+ = register_objfile_data_with_cleanup (NULL, jv_clear_object_type);
- java_object_type = NULL;
+ java_type_data = gdbarch_data_register_post_init (build_java_types);
+
+ add_language (&java_language_defn);
}