/* Java language support routines for GDB, the GNU debugger.
- Copyright (C) 1997, 1998, 1999, 2000, 2003, 2004, 2005, 2007, 2008
- Free Software Foundation, Inc.
+ Copyright (C) 1997-2015 Free Software Foundation, Inc.
This file is part of GDB.
#include "expression.h"
#include "parser-defs.h"
#include "language.h"
-#include "gdbtypes.h"
-#include "symtab.h"
#include "symfile.h"
#include "objfiles.h"
-#include "gdb_string.h"
#include "value.h"
#include "c-lang.h"
#include "jv-lang.h"
+#include "varobj.h"
#include "gdbcore.h"
#include "block.h"
#include "demangle.h"
#include "dictionary.h"
#include <ctype.h>
-#include "gdb_assert.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 "charset.h"
+#include "valprint.h"
+#include "cp-support.h"
/* Local functions */
extern void _initialize_java_language (void);
-static int java_demangled_signature_length (char *);
-static void java_demangled_signature_copy (char *, char *);
+static int java_demangled_signature_length (const char *);
+static void java_demangled_signature_copy (char *, const char *);
-static struct symtab *get_java_class_symtab (void);
+static struct compunit_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);
-/* This objfile contains symtabs that have been dynamically created
- to record dynamically loaded Java classes and dynamically
- compiled java methods. */
+static const struct objfile_data *jv_dynamics_objfile_data_key;
+
+/* The dynamic objfile is kept per-program-space. This key lets us
+ associate the objfile with the program space. */
+
+static const struct program_space_data *jv_dynamics_progspace_key;
+
+static struct type *java_link_class_type (struct gdbarch *,
+ struct type *, struct value *);
-static struct objfile *dynamics_objfile = NULL;
+/* An instance of this structure is used to store some data that must
+ be freed. */
-static struct type *java_link_class_type (struct type *, struct value *);
+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;
+ struct objfile *dynamics_objfile;
+
+ dynamics_objfile = program_space_data (current_program_space,
+ jv_dynamics_progspace_key);
+ gdb_assert (objfile == dynamics_objfile);
+
+ if (jv_data->dict)
+ dict_free (jv_data->dict);
+ xfree (jv_data);
+
+ set_program_space_data (current_program_space,
+ jv_dynamics_progspace_key,
+ 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)
{
+ struct objfile *dynamics_objfile;
+
+ dynamics_objfile = program_space_data (current_program_space,
+ jv_dynamics_progspace_key);
+
if (dynamics_objfile == NULL)
{
- dynamics_objfile = allocate_objfile (NULL, 0);
- }
- return dynamics_objfile;
-}
+ struct jv_per_objfile_data *data;
-#if 1
-/* symtab contains classes read from the inferior. */
+ /* Mark it as shared so that it is cleared when the inferior is
+ re-run. */
+ dynamics_objfile = allocate_objfile (NULL, NULL,
+ OBJF_SHARED | OBJF_NOT_FILENAME);
+ dynamics_objfile->per_bfd->gdbarch = gdbarch;
-static struct symtab *class_symtab = NULL;
+ data = XCNEW (struct jv_per_objfile_data);
+ set_objfile_data (dynamics_objfile, jv_dynamics_objfile_data_key, data);
-static void free_class_block (struct symtab *symtab);
+ set_program_space_data (current_program_space,
+ jv_dynamics_progspace_key,
+ dynamics_objfile);
+ }
+ return dynamics_objfile;
+}
-static struct symtab *
-get_java_class_symtab (void)
+static struct compunit_symtab *
+get_java_class_symtab (struct gdbarch *gdbarch)
{
+ struct objfile *objfile = get_dynamics_objfile (gdbarch);
+ struct compunit_symtab *class_symtab = objfile->compunit_symtabs;
+
if (class_symtab == NULL)
{
- struct objfile *objfile = get_dynamics_objfile ();
struct blockvector *bv;
struct block *bl;
- class_symtab = allocate_symtab ("<java-classes>", objfile);
- class_symtab->language = language_java;
+ struct jv_per_objfile_data *jv_data;
+
+ class_symtab = allocate_compunit_symtab (objfile, "<java-classes>");
+ add_compunit_symtab_to_objfile (class_symtab);
+ allocate_symtab (class_symtab, "<java-classes>");
+
+ COMPUNIT_FILETABS (class_symtab)->language = language_java;
bv = (struct blockvector *)
obstack_alloc (&objfile->objfile_obstack,
sizeof (struct blockvector) + sizeof (struct block *));
BLOCKVECTOR_NBLOCKS (bv) = 1;
- BLOCKVECTOR (class_symtab) = bv;
+ COMPUNIT_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);
BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK) = bl;
/* Allocate GLOBAL_BLOCK. */
- bl = allocate_block (&objfile->objfile_obstack);
+ bl = allocate_global_block (&objfile->objfile_obstack);
BLOCK_DICT (bl) = dict_create_hashed_expandable ();
+ set_block_compunit_symtab (bl, class_symtab);
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 blockvector *bv = BLOCKVECTOR (symtab);
+ struct compunit_symtab *cust = get_java_class_symtab (symbol_arch (sym));
+ const struct blockvector *bv = COMPUNIT_BLOCKVECTOR (cust);
+
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;
+ struct objfile *objfile = get_dynamics_objfile (get_type_arch (type));
+
+ sym = allocate_symbol (objfile);
+ SYMBOL_SET_LANGUAGE (sym, language_java, &objfile->objfile_obstack);
SYMBOL_SET_LINKAGE_NAME (sym, TYPE_TAG_NAME (type));
- SYMBOL_CLASS (sym) = LOC_TYPEDEF;
+ SYMBOL_ACLASS_INDEX (sym) = LOC_TYPEDEF;
/* SYMBOL_VALUE (sym) = valu; */
SYMBOL_TYPE (sym) = type;
SYMBOL_DOMAIN (sym) = STRUCT_DOMAIN;
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, 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_STUB (type) = 1;
- 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, (gdb_byte *) chrs, name_length);
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));
if (TYPE_CODE (type) == TYPE_CODE_PTR)
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");
- deprecated_set_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;
- char *name = TYPE_TAG_NAME (type);
+ const char *unqualified_name;
+ const char *name = TYPE_TAG_NAME (type);
int ninterfaces, nfields, nmethods;
int type_is_object = 0;
struct fn_field *fn_fields;
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);
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);
SET_TYPE_FIELD_PRIVATE (type, nfields);
{
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));
+ { /* 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;
if (accflags & 0x0008) /* ACC_STATIC */
SET_FIELD_PHYSADDR (TYPE_FIELD (type, i), boffset);
else
- TYPE_FIELD_BITPOS (type, i) = 8 * boffset;
+ SET_FIELD_BITPOS (TYPE_FIELD (type, i), 8 * boffset);
if (accflags & 0x8000) /* FIELD_UNRESOLVED_FLAG */
{
TYPE_FIELD_TYPE (type, i) = get_java_object_type (); /* FIXME */
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;
temp = clas;
nmethods = value_as_long (value_struct_elt (&temp, NULL, "method_count",
NULL, "structure"));
- TYPE_NFN_FIELDS_TOTAL (type) = nmethods;
j = nmethods * sizeof (struct fn_field);
fn_fields = (struct fn_field *)
- obstack_alloc (&dynamics_objfile->objfile_obstack, j);
+ obstack_alloc (&objfile->objfile_obstack, j);
memset (fn_fields, 0, j);
fn_fieldlists = (struct fn_fieldlist *)
alloca (nmethods * sizeof (struct fn_fieldlist));
methods = NULL;
for (i = 0; i < nmethods; i++)
{
- char *mname;
+ const 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));
+ { /* 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;
}
j = TYPE_NFN_FIELDS (type) * sizeof (struct fn_fieldlist);
TYPE_FN_FIELDLISTS (type) = (struct fn_fieldlist *)
- obstack_alloc (&dynamics_objfile->objfile_obstack, j);
+ obstack_alloc (&objfile->objfile_obstack, j);
memcpy (TYPE_FN_FIELDLISTS (type), fn_fieldlists, j);
return type;
}
-static struct type *java_object_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, NULL);
- if (sym == NULL)
- error (_("cannot find java.lang.Object"));
- java_object_type = SYMBOL_TYPE (sym);
- }
- return java_object_type;
+ struct symbol *sym;
+
+ sym = lookup_symbol ("java.lang.Object", NULL, STRUCT_DOMAIN, NULL);
+ if (sym == NULL)
+ error (_("cannot find java.lang.Object"));
+ return SYMBOL_TYPE (sym);
}
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 * gdbarch_ptr_bit (current_gdbarch) / TARGET_CHAR_BIT);
+ return (2 * gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT);
else
return TYPE_LENGTH (objtype);
}
if (TYPE_CODE (type) == TYPE_CODE_PTR)
{
struct type *ttype = check_typedef (TYPE_TARGET_TYPE (type));
- char *name;
+ const char *name;
if (TYPE_CODE (ttype) != TYPE_CODE_STRUCT)
return 0;
while (TYPE_N_BASECLASSES (ttype) > 0)
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;
- return 1;
- }
+ return 1;
}
return 0;
}
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);
}
/* 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,
+ const 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)
+java_demangled_signature_length (const 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)
+java_demangled_signature_copy (char *result, const 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)
+java_demangle_type_signature (const 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_int32, 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 */
}
-/* 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. */
+/* Return the encoding that should be used for the character type
+ TYPE. */
-static void
-java_emit_char (int c, struct ui_file *stream, int quoter)
+static const char *
+java_get_encoding (struct type *type)
{
- switch (c)
+ struct gdbarch *arch = get_type_arch (type);
+ const char *encoding;
+
+ if (type == builtin_java_type (arch)->builtin_char)
{
- case '\\':
- case '\'':
- fprintf_filtered (stream, "\\%c", c);
- break;
- case '\b':
- fputs_filtered ("\\b", stream);
- break;
- case '\t':
- fputs_filtered ("\\t", stream);
- break;
- case '\n':
- fputs_filtered ("\\n", stream);
- break;
- case '\f':
- fputs_filtered ("\\f", stream);
- break;
- case '\r':
- fputs_filtered ("\\r", stream);
- break;
- default:
- if (isprint (c))
- fputc_filtered (c, stream);
+ if (gdbarch_byte_order (arch) == BFD_ENDIAN_BIG)
+ encoding = "UTF-16BE";
else
- fprintf_filtered (stream, "\\u%.4x", (unsigned int) c);
- break;
+ encoding = "UTF-16LE";
}
+ else
+ encoding = target_charset (arch);
+
+ return encoding;
+}
+
+/* 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. */
+
+static void
+java_emit_char (int c, struct type *type, struct ui_file *stream, int quoter)
+{
+ const char *encoding = java_get_encoding (type);
+
+ generic_emit_char (c, type, stream, quoter, encoding);
+}
+
+/* Implementation of la_printchar method. */
+
+static void
+java_printchar (int c, struct type *type, struct ui_file *stream)
+{
+ fputs_filtered ("'", stream);
+ LA_EMIT_CHAR (c, type, stream, '\'');
+ fputs_filtered ("'", stream);
+}
+
+/* Implementation of la_printstr method. */
+
+static void
+java_printstr (struct ui_file *stream, struct type *type,
+ const gdb_byte *string,
+ unsigned int length, const char *encoding, int force_ellipses,
+ const struct value_print_options *options)
+{
+ const char *type_encoding = java_get_encoding (type);
+
+ if (!encoding || !*encoding)
+ encoding = type_encoding;
+
+ generic_printstr (stream, type, string, length, encoding,
+ force_ellipses, '"', 0, options);
}
static struct value *
{
int pc = *pos;
int i;
- char *name;
+ const char *name;
enum exp_opcode op = exp->elts[*pos].opcode;
struct value *arg1;
struct value *arg2;
struct type *type;
+
switch (op)
{
case UNOP_IND:
{
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. */
arg1 = coerce_ref (arg1);
type = check_typedef (value_type (arg1));
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;
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");
deprecated_set_value_type (temp, value_type (clas));
- el_type = type_from_class (temp);
+ 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)"),
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);
case STRUCTOP_PTR:
arg1 = evaluate_subexp_standard (expect_type, exp, pos, noside);
- /* Convert object field (such as TYPE.class) to reference. */
+ /* Convert object field (such as TYPE.class) to reference. */
if (TYPE_CODE (value_type (arg1)) == TYPE_CODE_STRUCT)
arg1 = value_addr (arg1);
return arg1;
standard:
return evaluate_subexp_standard (expect_type, exp, pos, noside);
nosideret:
- return value_from_longest (builtin_type_int8, (LONGEST) 1);
+ return value_from_longest (builtin_type (exp->gdbarch)->builtin_int, 1);
}
static char *java_demangle (const char *mangled, int options)
{
- return cplus_demangle (mangled, options | DMGL_JAVA);
+ return gdb_demangle (mangled, options | DMGL_JAVA);
}
/* Find the member function name of the demangled name NAME. NAME
{
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}
nr_java_primitive_types
};
-void
+static void
java_language_arch_info (struct gdbarch *gdbarch,
struct language_arch_info *lai)
{
- lai->string_char_type = java_char_type;
+ 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]
- = java_int_type;
+ = builtin->builtin_int;
lai->primitive_type_vector [java_primitive_type_short]
- = java_short_type;
+ = builtin->builtin_short;
lai->primitive_type_vector [java_primitive_type_long]
- = java_long_type;
+ = builtin->builtin_long;
lai->primitive_type_vector [java_primitive_type_byte]
- = java_byte_type;
+ = builtin->builtin_byte;
lai->primitive_type_vector [java_primitive_type_boolean]
- = java_boolean_type;
+ = builtin->builtin_boolean;
lai->primitive_type_vector [java_primitive_type_char]
- = java_char_type;
+ = builtin->builtin_char;
lai->primitive_type_vector [java_primitive_type_float]
- = java_float_type;
+ = builtin->builtin_float;
lai->primitive_type_vector [java_primitive_type_double]
- = java_double_type;
+ = builtin->builtin_double;
lai->primitive_type_vector [java_primitive_type_void]
- = java_void_type;
+ = builtin->builtin_void;
lai->bool_type_symbol = "boolean";
- lai->bool_type_default = java_boolean_type;
+ 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 */
+ "Java",
language_java,
range_check_off,
- type_check_off,
case_sensitive_on,
array_row_major,
+ macro_expansion_no,
&exp_descriptor_java,
java_parse,
java_error,
null_post_parser,
- c_printchar, /* Print a character constant */
- c_printstr, /* Function to print string constant */
+ java_printchar, /* Print a character constant */
+ java_printstr, /* Function to print string constant */
java_emit_char, /* Function to print a single character */
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 */
+ default_read_var_value, /* la_read_var_value */
NULL, /* Language specific skip_trampoline */
"this", /* name_of_this */
basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */
java_language_arch_info,
default_print_array_index,
default_pass_by_reference,
+ default_get_string,
+ NULL, /* la_get_symbol_name_cmp */
+ iterate_over_symbols,
+ &java_varobj_ops,
+ NULL,
+ NULL,
LANG_MAGIC
};
+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;
+}
+
+static struct gdbarch_data *java_type_data;
+
+const struct builtin_java_type *
+builtin_java_type (struct gdbarch *gdbarch)
+{
+ return gdbarch_data (gdbarch, java_type_data);
+}
+
void
_initialize_java_language (void)
{
+ jv_dynamics_objfile_data_key
+ = register_objfile_data_with_cleanup (NULL, jv_per_objfile_free);
+ jv_dynamics_progspace_key = register_program_space_data ();
- 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);
+ java_type_data = gdbarch_data_register_post_init (build_java_types);
add_language (&java_language_defn);
}
projects / thirdparty / binutils-gdb.git / blobdiff