/* Java language support routines for GDB, the GNU debugger.
- Copyright 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+
+ Copyright (C) 1997, 1998, 1999, 2000, 2003, 2004, 2005, 2007, 2008, 2009,
+ 2010 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 "c-lang.h"
#include "jv-lang.h"
#include "gdbcore.h"
+#include "block.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 type *java_lookup_type (char *signature);
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
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 *);
+
+/* 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 *ignore)
+{
+ gdb_assert (objfile == dynamics_objfile);
+ /* Clean up all our cached state. These objects are all allocated
+ in the dynamics_objfile, so we don't need to actually free
+ anything. */
+ dynamics_objfile = NULL;
+ class_symtab = NULL;
+}
/* 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);
+ /* 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;
+ /* We don't have any data to store, but this lets us get a
+ notification when the objfile is destroyed. Since we have to
+ store a non-NULL value, we just pick something arbitrary and
+ safe. */
+ set_objfile_data (dynamics_objfile, jv_dynamics_objfile_data_key,
+ &dynamics_objfile);
}
return dynamics_objfile;
}
-#if 1
-/* symtab contains classes read from the inferior. */
-
-static struct symtab *class_symtab = NULL;
-
-/* Maximum number of class in class_symtab before relocation is needed. */
-
-static int class_symtab_space;
+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;
+
class_symtab = allocate_symtab ("<java-classes>", objfile);
class_symtab->language = language_java;
bv = (struct blockvector *)
- obstack_alloc (&objfile->symbol_obstack, sizeof (struct blockvector));
+ obstack_alloc (&objfile->objfile_obstack,
+ sizeof (struct blockvector) + sizeof (struct block *));
BLOCKVECTOR_NBLOCKS (bv) = 1;
BLOCKVECTOR (class_symtab) = bv;
/* Allocate dummy STATIC_BLOCK. */
- bl = (struct block *)
- obstack_alloc (&objfile->symbol_obstack, sizeof (struct block));
- BLOCK_NSYMS (bl) = 0;
- BLOCK_HASHTABLE (bl) = 0;
- BLOCK_START (bl) = 0;
- BLOCK_END (bl) = 0;
- BLOCK_FUNCTION (bl) = NULL;
- BLOCK_SUPERBLOCK (bl) = NULL;
- BLOCK_GCC_COMPILED (bl) = 0;
+ bl = allocate_block (&objfile->objfile_obstack);
+ BLOCK_DICT (bl) = dict_create_linear (&objfile->objfile_obstack,
+ NULL);
BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK) = bl;
- /* Allocate GLOBAL_BLOCK. This has to be relocatable. */
- class_symtab_space = 128;
- bl = xmmalloc (objfile->md,
- sizeof (struct block)
- + ((class_symtab_space - 1) * sizeof (struct symbol *)));
- *bl = *BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK);
+ /* Allocate GLOBAL_BLOCK. */
+ bl = allocate_block (&objfile->objfile_obstack);
+ BLOCK_DICT (bl) = dict_create_hashed_expandable ();
BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK) = bl;
- class_symtab->free_ptr = (char *) bl;
+ class_symtab->free_func = free_class_block;
}
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);
- struct block *bl = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK);
- if (BLOCK_NSYMS (bl) >= class_symtab_space)
- {
- /* Need to re-allocate. */
- class_symtab_space *= 2;
- bl = xmrealloc (symtab->objfile->md, bl,
- sizeof (struct block)
- + ((class_symtab_space - 1) * sizeof (struct symbol *)));
- class_symtab->free_ptr = (char *) bl;
- BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK) = bl;
- }
- BLOCK_SYM (bl, BLOCK_NSYMS (bl)) = sym;
- BLOCK_NSYMS (bl) = BLOCK_NSYMS (bl) + 1;
+ 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->symbol_obstack, sizeof (struct symbol));
+ obstack_alloc (&dynamics_objfile->objfile_obstack, sizeof (struct symbol));
memset (sym, 0, sizeof (struct symbol));
SYMBOL_LANGUAGE (sym) = language_java;
- SYMBOL_NAME (sym) = TYPE_TAG_NAME (type);
+ SYMBOL_SET_LINKAGE_NAME (sym, TYPE_TAG_NAME (type));
SYMBOL_CLASS (sym) = LOC_TYPEDEF;
/* SYMBOL_VALUE (sym) = valu; */
SYMBOL_TYPE (sym) = type;
- SYMBOL_NAMESPACE (sym) = STRUCT_NAMESPACE;
+ SYMBOL_DOMAIN (sym) = STRUCT_DOMAIN;
SYMBOL_VALUE_ADDRESS (sym) = addr;
return sym;
}
-#endif
+
+/* 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));
+}
struct type *
java_lookup_class (char *name)
{
struct symbol *sym;
- sym = lookup_symbol (name, expression_context_block, STRUCT_NAMESPACE,
- (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->type_obstack);
- TYPE_FLAGS (type) |= TYPE_FLAG_STUB;
- TYPE ? = addr;
- return type;
-#else
/* FIXME - should search inferior's symbol table. */
return NULL;
-#endif
}
/* Return a nul-terminated string (allocated on OBSTACK) for
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");
{
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. */
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;
- int i;
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);
-
-#if 0
- get_java_class_symtab ();
- bl = BLOCKVECTOR_BLOCK (BLOCKVECTOR (class_symtab), GLOBAL_BLOCK);
- for (i = BLOCK_NSYMS (bl); --i >= 0;)
- {
- struct symbol *sym = BLOCK_SYM (bl, i);
- if (SYMBOL_VALUE_ADDRESS (sym) == addr)
- return SYMBOL_TYPE (sym);
- }
-#endif
+ addr = value_address (clas);
- 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 */
temp = clas;
utf8_name = value_struct_elt (&temp, NULL, "name", NULL, "structure");
- name = get_java_utf8_name (&objfile->type_obstack, utf8_name);
+ name = get_java_utf8_name (&objfile->objfile_obstack, utf8_name);
for (nptr = name; *nptr != 0; nptr++)
{
if (*nptr == '/')
{
char *signature = name;
int namelen = java_demangled_signature_length (signature);
+
if (namelen > strlen (name))
- name = obstack_alloc (&objfile->type_obstack, namelen + 1);
+ 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. */
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. */
-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;
fields = NULL;
nfields--; /* First set up dummy "class" field. */
- SET_FIELD_PHYSADDR (TYPE_FIELD (type, nfields),
- VALUE_ADDRESS (clas) + VALUE_OFFSET (clas));
+ 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;
}
else
{ /* Re-use field value for next field. */
- VALUE_ADDRESS (field) += TYPE_LENGTH (VALUE_TYPE (field));
- VALUE_LAZY (field) = 1;
+ 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");
TYPE_FIELD_NAME (type, i) =
- get_java_utf8_name (&objfile->type_obstack, temp);
+ get_java_utf8_name (&objfile->objfile_obstack, temp);
temp = field;
accflags = value_as_long (value_struct_elt (&temp, NULL, "accflags",
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;
TYPE_NFN_FIELDS_TOTAL (type) = nmethods;
j = nmethods * sizeof (struct fn_field);
fn_fields = (struct fn_field *)
- obstack_alloc (&dynamics_objfile->symbol_obstack, j);
+ obstack_alloc (&dynamics_objfile->objfile_obstack, j);
memset (fn_fields, 0, j);
fn_fieldlists = (struct fn_fieldlist *)
alloca (nmethods * sizeof (struct fn_fieldlist));
{
char *mname;
int k;
+
if (methods == NULL)
{
temp = clas;
}
else
{ /* Re-use method value for next method. */
- VALUE_ADDRESS (method) += TYPE_LENGTH (VALUE_TYPE (method));
- VALUE_LAZY (method) = 1;
+ CORE_ADDR addr
+ = value_address (method) + TYPE_LENGTH (value_type (method));
+
+ set_value_address (method, addr);
+ set_value_lazy (method, 1);
}
/* Get method name. */
temp = method;
temp = value_struct_elt (&temp, NULL, "name", NULL, "structure");
- mname = get_java_utf8_name (&objfile->type_obstack, temp);
+ mname = get_java_utf8_name (&objfile->objfile_obstack, temp);
if (strcmp (mname, "<init>") == 0)
mname = unqualified_name;
if (strcmp (mname, fn_fieldlists[j].name) == 0)
{ /* Found an existing method with the same name. */
int l;
+
if (mname != unqualified_name)
- obstack_free (&objfile->type_obstack, mname);
+ obstack_free (&objfile->objfile_obstack, mname);
mname = fn_fieldlists[j].name;
fn_fieldlists[j].length++;
k = i - k; /* Index of new slot. */
}
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;
}
j = TYPE_NFN_FIELDS (type) * sizeof (struct fn_fieldlist);
TYPE_FN_FIELDLISTS (type) = (struct fn_fieldlist *)
- obstack_alloc (&dynamics_objfile->symbol_obstack, j);
+ obstack_alloc (&dynamics_objfile->objfile_obstack, j);
memcpy (TYPE_FN_FIELDLISTS (type), fn_fieldlists, j);
return type;
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_NAMESPACE,
- (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);
}
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. */
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;
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. */
java_demangled_signature_length (char *signature)
{
int array = 0;
+
for (; *signature == '['; signature++)
array += 2; /* Two chars for "[]". */
switch (signature[0])
/* 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;
}
}
int array = 0;
char *ptr;
int i;
+
while (*signature == '[')
{
array++;
}
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;
{
int length = java_demangled_signature_length (signature);
char *result = xmalloc (length + 1);
+
java_demangled_signature_copy (result, signature);
result[length] = '\0';
return result;
}
-struct type *
-java_lookup_type (char *signature)
-{
- switch (signature[0])
- {
- case 'L':
- case '[':
- error ("java_lookup_type not fully implemented");
- default:
- return java_primitive_type (signature[0]);
- }
-}
-
/* Return the type of TYPE followed by DIMS pairs of [ ].
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);
+ type = lookup_array_range_type (type, 0, 0);
}
return type;
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
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)
{
}
static struct value *
-evaluate_subexp_java (struct type *expect_type, register struct expression *exp,
- register int *pos, enum noside noside)
+evaluate_subexp_java (struct type *expect_type, struct expression *exp,
+ int *pos, enum noside noside)
{
int pc = *pos;
int i;
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)
array or pointer type (like a plain int variable for example),
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. */
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)
+ 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);
+ return value_from_longest (builtin_type (exp->gdbarch)->builtin_int, 1);
}
-static struct type *
-java_create_fundamental_type (struct objfile *objfile, int typeid)
+static char *java_demangle (const char *mangled, int options)
+{
+ return cplus_demangle (mangled, options | DMGL_JAVA);
+}
+
+/* Find the member function name of the demangled name NAME. NAME
+ must be a method name including arguments, in order to correctly
+ locate the last component.
+
+ This function return a pointer to the first dot before the
+ member function name, or NULL if the name was not of the
+ expected form. */
+
+static const char *
+java_find_last_component (const char *name)
{
- switch (typeid)
+ const char *p;
+
+ /* Find argument list. */
+ p = strchr (name, '(');
+
+ if (p == NULL)
+ return NULL;
+
+ /* Back up and find first dot prior to argument list. */
+ while (p > name && *p != '.')
+ p--;
+
+ if (p == name)
+ return NULL;
+
+ return p;
+}
+
+/* Return the name of the class containing method PHYSNAME. */
+
+static char *
+java_class_name_from_physname (const char *physname)
+{
+ char *ret = NULL;
+ const char *end;
+ char *demangled_name = java_demangle (physname, DMGL_PARAMS | DMGL_ANSI);
+
+ if (demangled_name == NULL)
+ return NULL;
+
+ end = java_find_last_component (demangled_name);
+ if (end != NULL)
{
- 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;
+ ret = xmalloc (end - demangled_name + 1);
+ memcpy (ret, demangled_name, end - demangled_name);
+ ret[end - demangled_name] = '\0';
}
- return c_create_fundamental_type (objfile, typeid);
+
+ xfree (demangled_name);
+ return ret;
}
/* Table mapping opcodes into strings for printing operators
{"<", 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
+};
+
const struct language_defn java_language_defn =
{
"java", /* Language name */
language_java,
- c_builtin_types,
range_check_off,
type_check_off,
case_sensitive_on,
+ array_row_major,
+ macro_expansion_no,
+ &exp_descriptor_java,
java_parse,
java_error,
- evaluate_subexp_java,
+ null_post_parser,
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 */
- {"", "", "", ""}, /* Binary format info */
- {"0%lo", "0", "o", ""}, /* Octal format info */
- {"%ld", "", "d", ""}, /* Decimal format info */
- {"0x%lx", "0x", "x", ""}, /* Hex format info */
+ NULL, /* Language specific skip_trampoline */
+ "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_class_name_from_physname,/* Language specific class name */
java_op_print_tab, /* expression operators for printing */
0, /* not c-style arrays */
0, /* String lower bound */
- &builtin_type_char, /* Type of string elements */
+ default_word_break_characters,
+ 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);
}