/* Java language support routines for GDB, the GNU debugger.
- Copyright 1997, 1998, 1999-2000 Free Software Foundation, Inc.
+ Copyright 1997, 1998, 1999, 2000, 2003, 2004 Free Software Foundation, Inc.
This file is part of GDB.
#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;
static void java_demangled_signature_copy (char *, char *);
static struct symtab *get_java_class_symtab (void);
-static char *get_java_utf8_name (struct obstack *obstack, value_ptr name);
-static int java_class_is_primitive (value_ptr clas);
-static struct type *java_lookup_type (char *signature);
-static value_ptr java_value_string (char *ptr, int len);
+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 char *java_class_name_from_physname (const char *physname);
+
/* This objfile contains symtabs that have been dynamically created
to record dynamically loaded Java classes and dynamically
compiled java methods. */
static struct objfile *dynamics_objfile = NULL;
-static struct type *java_link_class_type (struct type *, value_ptr);
+static struct type *java_link_class_type (struct type *, struct value *);
+
+/* FIXME: carlton/2003-02-04: This is the main or only caller of
+ allocate_objfile with first argument NULL; as a result, this code
+ breaks every so often. Somebody should write a test case that
+ exercises GDB in various ways (e.g. something involving loading a
+ dynamic library) after this code has been called. */
static struct objfile *
get_dynamics_objfile (void)
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)
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_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 = (struct block *)
- mmalloc (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;
}
{
struct symtab *symtab = get_java_class_symtab ();
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 = (struct block *)
- mrealloc (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);
{
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);
+ DEPRECATED_SYMBOL_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;
}
+
+/* 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_NAMESPACE,
+ sym = lookup_symbol (name, expression_context_block, STRUCT_DOMAIN,
(int *) 0, (struct symtab **) NULL);
if (sym != NULL)
return SYMBOL_TYPE (sym);
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_TAG_NAME (type) = obsavestring (name, strlen (name), &objfile->objfile_obstack);
TYPE_FLAGS (type) |= TYPE_FLAG_STUB;
TYPE ? = addr;
return type;
a name given by NAME (which has type Utf8Const*). */
char *
-get_java_utf8_name (struct obstack *obstack, value_ptr name)
+get_java_utf8_name (struct obstack *obstack, struct value *name)
{
char *chrs;
- value_ptr temp = name;
+ struct value *temp = name;
int name_length;
CORE_ADDR data_addr;
temp = value_struct_elt (&temp, NULL, "length", NULL, "structure");
return chrs;
}
-value_ptr
-java_class_from_object (value_ptr obj_val)
+struct value *
+java_class_from_object (struct value *obj_val)
{
/* This is all rather inefficient, since the offsets of vtable and
class are fixed. FIXME */
- value_ptr vtable_val;
+ struct value *vtable_val;
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_pointer (obj_val), NULL);
+ value_as_address (obj_val), NULL);
vtable_val = value_struct_elt (&obj_val, NULL, "vtable", NULL, "structure");
return value_struct_elt (&vtable_val, NULL, "class", NULL, "structure");
/* Check if CLASS_IS_PRIMITIVE(value of clas): */
static int
-java_class_is_primitive (value_ptr clas)
+java_class_is_primitive (struct value *clas)
{
- value_ptr vtable = value_struct_elt (&clas, NULL, "vtable", NULL, "struct");
- CORE_ADDR i = value_as_pointer (vtable);
+ 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 (value_ptr clas)
+type_from_class (struct value *clas)
{
struct type *type;
char *name;
- value_ptr temp;
+ struct value *temp;
struct objfile *objfile;
- value_ptr utf8_name;
+ struct value *utf8_name;
char *nptr;
CORE_ADDR addr;
struct block *bl;
- int i;
+ struct dict_iterator iter;
int is_array = 0;
type = check_typedef (VALUE_TYPE (clas));
#if 0
get_java_class_symtab ();
bl = BLOCKVECTOR_BLOCK (BLOCKVECTOR (class_symtab), GLOBAL_BLOCK);
- for (i = BLOCK_NSYMS (bl); --i >= 0;)
+ ALL_BLOCK_SYMBOLS (block, iter, sym)
{
- struct symbol *sym = BLOCK_SYM (bl, i);
if (SYMBOL_VALUE_ADDRESS (sym) == addr)
return SYMBOL_TYPE (sym);
}
objfile = get_dynamics_objfile ();
if (java_class_is_primitive (clas))
{
- value_ptr sig;
+ struct value *sig;
temp = clas;
sig = value_struct_elt (&temp, NULL, "method_count", NULL, "structure");
return java_primitive_type (value_as_long (sig));
/* 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;
/* Fill in class TYPE with data from the CLAS value. */
struct type *
-java_link_class_type (struct type *type, value_ptr clas)
+java_link_class_type (struct type *type, struct value *clas)
{
- value_ptr temp;
+ struct value *temp;
char *unqualified_name;
char *name = TYPE_TAG_NAME (type);
int ninterfaces, nfields, nmethods;
int type_is_object = 0;
struct fn_field *fn_fields;
struct fn_fieldlist *fn_fieldlists;
- value_ptr fields, field, method, methods;
+ struct value *fields;
+ struct value *methods;
+ struct value *method = NULL;
+ struct value *field = NULL;
int i, j;
struct objfile *objfile = get_dynamics_objfile ();
struct type *tsuper;
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"));
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));
/* 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;
{ /* 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. */
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;
if (java_object_type == NULL)
{
struct symbol *sym;
- sym = lookup_symbol ("java.lang.Object", NULL, STRUCT_NAMESPACE,
+ sym = lookup_symbol ("java.lang.Object", NULL, STRUCT_DOMAIN,
(int *) 0, (struct symtab **) NULL);
if (sym == NULL)
error ("cannot find java.lang.Object");
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. */
/* Create a Java string in the inferior from a (Utf8) literal. */
-static value_ptr
+static struct value *
java_value_string (char *ptr, int len)
{
error ("not implemented - java_value_string"); /* FIXME */
}
}
-static value_ptr
-evaluate_subexp_java (struct type *expect_type, register struct expression *exp,
- register int *pos, enum noside noside)
+static struct value *
+evaluate_subexp_java (struct type *expect_type, struct expression *exp,
+ int *pos, enum noside noside)
{
int pc = *pos;
int i;
char *name;
enum exp_opcode op = exp->elts[*pos].opcode;
- value_ptr arg1, arg2;
+ struct value *arg1;
+ struct value *arg2;
struct type *type;
switch (op)
{
struct type *el_type;
char buf4[4];
- value_ptr clas = java_class_from_object (arg1);
- value_ptr temp = clas;
+ 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");
if (noside == EVAL_AVOID_SIDE_EFFECTS)
return value_zero (el_type, VALUE_LVAL (arg1));
- address = value_as_pointer (arg1);
+ address = value_as_address (arg1);
address += JAVA_OBJECT_SIZE;
read_memory (address, buf4, 4);
length = (long) extract_signed_integer (buf4, 4);
return c_create_fundamental_type (objfile, 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)
+{
+ 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;
+ int depth = 0;
+ 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)
+ {
+ ret = xmalloc (end - demangled_name + 1);
+ memcpy (ret, demangled_name, end - demangled_name);
+ ret[end - demangled_name] = '\0';
+ }
+
+ xfree (demangled_name);
+ return ret;
+}
+
/* Table mapping opcodes into strings for printing operators
and precedences of the operators. */
{NULL, 0, 0, 0}
};
+const struct exp_descriptor exp_descriptor_java =
+{
+ print_subexp_standard,
+ operator_length_standard,
+ op_name_standard,
+ dump_subexp_body_standard,
+ evaluate_subexp_java
+};
+
const struct language_defn java_language_defn =
{
"java", /* Language name */
range_check_off,
type_check_off,
case_sensitive_on,
+ &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_print_type, /* Print a type 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 */
+ 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 */
{"", "", "", ""}, /* Binary format info */
{"0%lo", "0", "o", ""}, /* Octal format info */
{"%ld", "", "d", ""}, /* Decimal format info */
0, /* not c-style arrays */
0, /* String lower bound */
&builtin_type_char, /* Type of string elements */
+ default_word_break_characters,
+ NULL, /* FIXME: la_language_arch_info. */
LANG_MAGIC
};
projects / deliverable / binutils-gdb.git / blobdiff