X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fjv-lang.c;h=b72b90c27c2966337d3e25f423f3dc59c9ea0e78;hb=2b2d9e11a0bd5355936c876a8d14a06d78d4b39e;hp=92c263b3cac1258885f576fc3910d6826e72eaa4;hpb=b368761e45fa3e27c8433fa421963d6ecf12c34a;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/jv-lang.c b/gdb/jv-lang.c index 92c263b3ca..b72b90c27c 100644 --- a/gdb/jv-lang.c +++ b/gdb/jv-lang.c @@ -1,11 +1,13 @@ /* 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 + 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, @@ -14,9 +16,7 @@ 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 . */ #include "defs.h" #include "symtab.h" @@ -37,6 +37,7 @@ #include "demangle.h" #include "dictionary.h" #include +#include "gdb_assert.h" struct type *java_int_type; struct type *java_byte_type; @@ -62,6 +63,8 @@ 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. */ @@ -104,19 +107,19 @@ get_java_class_symtab (void) class_symtab = allocate_symtab ("", objfile); class_symtab->language = language_java; bv = (struct blockvector *) - obstack_alloc (&objfile->symbol_obstack, + obstack_alloc (&objfile->objfile_obstack, sizeof (struct blockvector) + sizeof (struct block *)); BLOCKVECTOR_NBLOCKS (bv) = 1; BLOCKVECTOR (class_symtab) = bv; /* Allocate dummy STATIC_BLOCK. */ - bl = allocate_block (&objfile->symbol_obstack); - BLOCK_DICT (bl) = dict_create_linear (&objfile->symbol_obstack, + 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->symbol_obstack); + 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; @@ -139,7 +142,7 @@ 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; DEPRECATED_SYMBOL_NAME (sym) = TYPE_TAG_NAME (type); @@ -186,7 +189,7 @@ java_lookup_class (char *name) 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; @@ -208,11 +211,11 @@ get_java_utf8_name (struct obstack *obstack, struct value *name) 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) + value_offset (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; } @@ -223,10 +226,10 @@ java_class_from_object (struct value *obj_val) 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"); @@ -257,14 +260,14 @@ type_from_class (struct value *clas) 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) + value_offset (clas); #if 0 get_java_class_symtab (); @@ -289,7 +292,7 @@ type_from_class (struct value *clas) /* 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 == '/') @@ -309,14 +312,14 @@ type_from_class (struct value *clas) 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)); + deprecated_set_value_type (temp, lookup_pointer_type (value_type (clas))); TYPE_TARGET_TYPE (type) = type_from_class (temp); } @@ -347,13 +350,14 @@ java_link_class_type (struct type *type, struct value *clas) struct objfile *objfile = get_dynamics_objfile (); 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) @@ -419,9 +423,9 @@ java_link_class_type (struct type *type, struct value *clas) fields = NULL; nfields--; /* First set up dummy "class" field. */ SET_FIELD_PHYSADDR (TYPE_FIELD (type, nfields), - VALUE_ADDRESS (clas) + VALUE_OFFSET (clas)); + VALUE_ADDRESS (clas) + value_offset (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++) @@ -436,13 +440,13 @@ java_link_class_type (struct type *type, struct value *clas) } else { /* Re-use field value for next field. */ - VALUE_ADDRESS (field) += TYPE_LENGTH (VALUE_TYPE (field)); - VALUE_LAZY (field) = 1; + VALUE_ADDRESS (field) += TYPE_LENGTH (value_type (field)); + 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")); @@ -488,7 +492,7 @@ java_link_class_type (struct type *type, struct value *clas) 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)); @@ -506,14 +510,14 @@ java_link_class_type (struct type *type, struct value *clas) } else { /* Re-use method value for next method. */ - VALUE_ADDRESS (method) += TYPE_LENGTH (VALUE_TYPE (method)); - VALUE_LAZY (method) = 1; + VALUE_ADDRESS (method) += TYPE_LENGTH (value_type (method)); + 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, "") == 0) mname = unqualified_name; @@ -538,7 +542,7 @@ java_link_class_type (struct type *type, struct value *clas) { /* 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. */ @@ -559,7 +563,7 @@ java_link_class_type (struct type *type, struct value *clas) 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; @@ -576,7 +580,7 @@ get_java_object_type (void) sym = lookup_symbol ("java.lang.Object", NULL, STRUCT_DOMAIN, (int *) 0, (struct symtab **) NULL); if (sym == NULL) - error ("cannot find java.lang.Object"); + error (_("cannot find java.lang.Object")); java_object_type = SYMBOL_TYPE (sym); } return java_object_type; @@ -587,7 +591,7 @@ get_java_object_header_size (void) { struct type *objtype = get_java_object_type (); if (objtype == NULL) - return (2 * TARGET_PTR_BIT / TARGET_CHAR_BIT); + return (2 * gdbarch_ptr_bit (current_gdbarch) / TARGET_CHAR_BIT); else return TYPE_LENGTH (objtype); } @@ -642,7 +646,7 @@ java_primitive_type (int signature) case 'V': return java_void_type; } - 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, @@ -786,7 +790,7 @@ java_array_type (struct type *type, int dims) 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 @@ -844,7 +848,7 @@ evaluate_subexp_java (struct type *expect_type, struct expression *exp, 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; @@ -865,8 +869,8 @@ evaluate_subexp_java (struct type *expect_type, struct expression *exp, 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); @@ -879,14 +883,14 @@ evaluate_subexp_java (struct type *expect_type, struct expression *exp, 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); + deprecated_set_value_type (temp, value_type (clas)); el_type = type_from_class (temp); if (TYPE_CODE (el_type) == TYPE_CODE_STRUCT) el_type = lookup_pointer_type (el_type); @@ -899,10 +903,10 @@ evaluate_subexp_java (struct type *expect_type, struct expression *exp, length = (long) extract_signed_integer (buf4, 4); 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) { @@ -912,9 +916,9 @@ evaluate_subexp_java (struct type *expect_type, struct expression *exp, return value_subscript (arg1, 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)++; @@ -924,10 +928,10 @@ evaluate_subexp_java (struct type *expect_type, struct expression *exp, 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: @@ -939,42 +943,64 @@ nosideret: return value_from_longest (builtin_type_long, (LONGEST) 1); } -static struct type * -java_create_fundamental_type (struct objfile *objfile, int typeid) +static char *java_demangle (const char *mangled, int options) { - 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 cplus_demangle (mangled, options | DMGL_JAVA); } -static char *java_demangle (const char *mangled, int options) +/* 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) { - return cplus_demangle (mangled, options | DMGL_JAVA); + 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. */ @@ -1029,34 +1055,34 @@ 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, &exp_descriptor_java, java_parse, java_error, + 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 */ 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 */ - {"", "", "", ""}, /* Binary format info */ - {"0%lo", "0", "o", ""}, /* Octal format info */ - {"%ld", "", "d", ""}, /* Decimal format info */ - {"0x%lx", "0x", "x", ""}, /* Hex format info */ + 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, + c_language_arch_info, + default_print_array_index, + default_pass_by_reference, LANG_MAGIC }; @@ -1076,25 +1102,3 @@ _initialize_java_language (void) add_language (&java_language_defn); } - -/* 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) -{ - if (class_symtab != NULL) - { - free_symtab (class_symtab); /* ??? */ - class_symtab = NULL; - } - if (dynamics_objfile != NULL) - { - free_objfile (dynamics_objfile); - dynamics_objfile = NULL; - } - - java_object_type = NULL; -}