diff options
Diffstat (limited to 'gdb/jv-valprint.c')
| -rw-r--r-- | gdb/jv-valprint.c | 527 |
1 files changed, 0 insertions, 527 deletions
diff --git a/gdb/jv-valprint.c b/gdb/jv-valprint.c deleted file mode 100644 index 1ddfcb5..0000000 --- a/gdb/jv-valprint.c +++ /dev/null @@ -1,527 +0,0 @@ -/* Support for printing Java values for GDB, the GNU debugger. - Copyright 1997, 1998, 1999, 2000 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 - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - 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. */ - -#include "defs.h" -#include "symtab.h" -#include "gdbtypes.h" -#include "gdbcore.h" -#include "expression.h" -#include "value.h" -#include "demangle.h" -#include "valprint.h" -#include "language.h" -#include "jv-lang.h" -#include "c-lang.h" -#include "annotate.h" -#include "gdb_string.h" - -/* Local functions */ - -static void java_print_value_fields (struct type * type, char *valaddr, - CORE_ADDR address, - struct ui_file *stream, int format, - int recurse, - enum val_prettyprint pretty); - - -int -java_value_print (struct value *val, struct ui_file *stream, int format, - enum val_prettyprint pretty) -{ - struct type *type; - CORE_ADDR address; - int i; - char *name; - - type = VALUE_TYPE (val); - address = VALUE_ADDRESS (val) + VALUE_OFFSET (val); - - if (is_object_type (type)) - { - CORE_ADDR obj_addr; - - /* Get the run-time type, and cast the object into that */ - - obj_addr = unpack_pointer (type, VALUE_CONTENTS (val)); - - if (obj_addr != 0) - { - type = type_from_class (java_class_from_object (val)); - type = lookup_pointer_type (type); - - val = value_at (type, address, NULL); - } - } - - if (TYPE_CODE (type) == TYPE_CODE_PTR && !value_logical_not (val)) - type_print (TYPE_TARGET_TYPE (type), "", stream, -1); - - name = TYPE_TAG_NAME (type); - if (TYPE_CODE (type) == TYPE_CODE_STRUCT && name != NULL - && (i = strlen (name), name[i - 1] == ']')) - { - char buf4[4]; - long length; - unsigned int things_printed = 0; - int reps; - struct type *el_type = java_primitive_type_from_name (name, i - 2); - - i = 0; - read_memory (address + JAVA_OBJECT_SIZE, buf4, 4); - - length = (long) extract_signed_integer (buf4, 4); - fprintf_filtered (stream, "{length: %ld", length); - - if (el_type == NULL) - { - CORE_ADDR element; - CORE_ADDR next_element = -1; /* dummy initial value */ - - address += JAVA_OBJECT_SIZE + 4; /* Skip object header and length. */ - - while (i < length && things_printed < print_max) - { - char *buf; - - buf = alloca (TARGET_PTR_BIT / HOST_CHAR_BIT); - fputs_filtered (", ", stream); - wrap_here (n_spaces (2)); - - if (i > 0) - element = next_element; - else - { - read_memory (address, buf, sizeof (buf)); - address += TARGET_PTR_BIT / HOST_CHAR_BIT; - element = extract_address (buf, sizeof (buf)); - } - - for (reps = 1; i + reps < length; reps++) - { - read_memory (address, buf, sizeof (buf)); - address += TARGET_PTR_BIT / HOST_CHAR_BIT; - next_element = extract_address (buf, sizeof (buf)); - if (next_element != element) - break; - } - - if (reps == 1) - fprintf_filtered (stream, "%d: ", i); - else - fprintf_filtered (stream, "%d..%d: ", i, i + reps - 1); - - if (element == 0) - fprintf_filtered (stream, "null"); - else - fprintf_filtered (stream, "@%s", paddr_nz (element)); - - things_printed++; - i += reps; - } - } - else - { - struct value *v = allocate_value (el_type); - struct value *next_v = allocate_value (el_type); - - VALUE_ADDRESS (v) = address + JAVA_OBJECT_SIZE + 4; - VALUE_ADDRESS (next_v) = VALUE_ADDRESS (v); - - while (i < length && things_printed < print_max) - { - fputs_filtered (", ", stream); - wrap_here (n_spaces (2)); - - if (i > 0) - { - struct value *tmp; - - tmp = next_v; - next_v = v; - v = tmp; - } - else - { - VALUE_LAZY (v) = 1; - VALUE_OFFSET (v) = 0; - } - - VALUE_OFFSET (next_v) = VALUE_OFFSET (v); - - for (reps = 1; i + reps < length; reps++) - { - VALUE_LAZY (next_v) = 1; - VALUE_OFFSET (next_v) += TYPE_LENGTH (el_type); - if (memcmp (VALUE_CONTENTS (v), VALUE_CONTENTS (next_v), - TYPE_LENGTH (el_type)) != 0) - break; - } - - if (reps == 1) - fprintf_filtered (stream, "%d: ", i); - else - fprintf_filtered (stream, "%d..%d: ", i, i + reps - 1); - - val_print (VALUE_TYPE (v), VALUE_CONTENTS (v), 0, 0, - stream, format, 2, 1, pretty); - - things_printed++; - i += reps; - } - } - - if (i < length) - fprintf_filtered (stream, "..."); - - fprintf_filtered (stream, "}"); - - return 0; - } - - /* If it's type String, print it */ - - if (TYPE_CODE (type) == TYPE_CODE_PTR - && TYPE_TARGET_TYPE (type) - && TYPE_NAME (TYPE_TARGET_TYPE (type)) - && strcmp (TYPE_NAME (TYPE_TARGET_TYPE (type)), "java.lang.String") == 0 - && (format == 0 || format == 's') - && address != 0 - && value_as_address (val) != 0) - { - struct value *data_val; - CORE_ADDR data; - struct value *boffset_val; - unsigned long boffset; - struct value *count_val; - unsigned long count; - struct value *mark; - - mark = value_mark (); /* Remember start of new values */ - - data_val = value_struct_elt (&val, NULL, "data", NULL, NULL); - data = value_as_address (data_val); - - boffset_val = value_struct_elt (&val, NULL, "boffset", NULL, NULL); - boffset = value_as_address (boffset_val); - - count_val = value_struct_elt (&val, NULL, "count", NULL, NULL); - count = value_as_address (count_val); - - value_free_to_mark (mark); /* Release unnecessary values */ - - val_print_string (data + boffset, count, 2, stream); - - return 0; - } - - return (val_print (type, VALUE_CONTENTS (val), 0, address, - stream, format, 1, 0, pretty)); -} - -/* TYPE, VALADDR, ADDRESS, STREAM, RECURSE, and PRETTY have the - same meanings as in cp_print_value and c_val_print. - - DONT_PRINT is an array of baseclass types that we - should not print, or zero if called from top level. */ - -static void -java_print_value_fields (struct type *type, char *valaddr, CORE_ADDR address, - struct ui_file *stream, int format, int recurse, - enum val_prettyprint pretty) -{ - int i, len, n_baseclasses; - - CHECK_TYPEDEF (type); - - fprintf_filtered (stream, "{"); - len = TYPE_NFIELDS (type); - n_baseclasses = TYPE_N_BASECLASSES (type); - - if (n_baseclasses > 0) - { - int i, n_baseclasses = TYPE_N_BASECLASSES (type); - - for (i = 0; i < n_baseclasses; i++) - { - int boffset; - struct type *baseclass = check_typedef (TYPE_BASECLASS (type, i)); - char *basename = TYPE_NAME (baseclass); - char *base_valaddr; - - if (BASETYPE_VIA_VIRTUAL (type, i)) - continue; - - if (basename != NULL && strcmp (basename, "java.lang.Object") == 0) - continue; - - boffset = 0; - - if (pretty) - { - fprintf_filtered (stream, "\n"); - print_spaces_filtered (2 * (recurse + 1), stream); - } - fputs_filtered ("<", stream); - /* Not sure what the best notation is in the case where there is no - baseclass name. */ - fputs_filtered (basename ? basename : "", stream); - fputs_filtered ("> = ", stream); - - base_valaddr = valaddr; - - java_print_value_fields (baseclass, base_valaddr, address + boffset, - stream, format, recurse + 1, pretty); - fputs_filtered (", ", stream); - - flush_it: - ; - } - - } - - if (!len && n_baseclasses == 1) - fprintf_filtered (stream, "<No data fields>"); - else - { - extern int inspect_it; - int fields_seen = 0; - - for (i = n_baseclasses; i < len; i++) - { - /* If requested, skip printing of static fields. */ - if (TYPE_FIELD_STATIC (type, i)) - { - char *name = TYPE_FIELD_NAME (type, i); - if (!static_field_print) - continue; - if (name != NULL && strcmp (name, "class") == 0) - continue; - } - if (fields_seen) - fprintf_filtered (stream, ", "); - else if (n_baseclasses > 0) - { - if (pretty) - { - fprintf_filtered (stream, "\n"); - print_spaces_filtered (2 + 2 * recurse, stream); - fputs_filtered ("members of ", stream); - fputs_filtered (type_name_no_tag (type), stream); - fputs_filtered (": ", stream); - } - } - fields_seen = 1; - - if (pretty) - { - fprintf_filtered (stream, "\n"); - print_spaces_filtered (2 + 2 * recurse, stream); - } - else - { - wrap_here (n_spaces (2 + 2 * recurse)); - } - if (inspect_it) - { - if (TYPE_CODE (TYPE_FIELD_TYPE (type, i)) == TYPE_CODE_PTR) - fputs_filtered ("\"( ptr \"", stream); - else - fputs_filtered ("\"( nodef \"", stream); - if (TYPE_FIELD_STATIC (type, i)) - fputs_filtered ("static ", stream); - fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i), - language_cplus, - DMGL_PARAMS | DMGL_ANSI); - fputs_filtered ("\" \"", stream); - fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i), - language_cplus, - DMGL_PARAMS | DMGL_ANSI); - fputs_filtered ("\") \"", stream); - } - else - { - annotate_field_begin (TYPE_FIELD_TYPE (type, i)); - - if (TYPE_FIELD_STATIC (type, i)) - fputs_filtered ("static ", stream); - fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i), - language_cplus, - DMGL_PARAMS | DMGL_ANSI); - annotate_field_name_end (); - fputs_filtered (": ", stream); - annotate_field_value (); - } - - if (!TYPE_FIELD_STATIC (type, i) && TYPE_FIELD_PACKED (type, i)) - { - struct value *v; - - /* Bitfields require special handling, especially due to byte - order problems. */ - if (TYPE_FIELD_IGNORE (type, i)) - { - fputs_filtered ("<optimized out or zero length>", stream); - } - else - { - v = value_from_longest (TYPE_FIELD_TYPE (type, i), - unpack_field_as_long (type, valaddr, i)); - - val_print (TYPE_FIELD_TYPE (type, i), VALUE_CONTENTS (v), 0, - 0, stream, format, 0, recurse + 1, pretty); - } - } - else - { - if (TYPE_FIELD_IGNORE (type, i)) - { - fputs_filtered ("<optimized out or zero length>", stream); - } - else if (TYPE_FIELD_STATIC (type, i)) - { - struct value *v = value_static_field (type, i); - if (v == NULL) - fputs_filtered ("<optimized out>", stream); - else - { - struct type *t = check_typedef (VALUE_TYPE (v)); - if (TYPE_CODE (t) == TYPE_CODE_STRUCT) - v = value_addr (v); - val_print (VALUE_TYPE (v), - VALUE_CONTENTS (v), 0, VALUE_ADDRESS (v), - stream, format, 0, recurse + 1, pretty); - } - } - else if (TYPE_FIELD_TYPE (type, i) == NULL) - fputs_filtered ("<unknown type>", stream); - else - { - val_print (TYPE_FIELD_TYPE (type, i), - valaddr + TYPE_FIELD_BITPOS (type, i) / 8, 0, - address + TYPE_FIELD_BITPOS (type, i) / 8, - stream, format, 0, recurse + 1, pretty); - } - } - annotate_field_end (); - } - - if (pretty) - { - fprintf_filtered (stream, "\n"); - print_spaces_filtered (2 * recurse, stream); - } - } - fprintf_filtered (stream, "}"); -} - -/* Print data of type TYPE located at VALADDR (within GDB), which came from - the inferior at address ADDRESS, onto stdio stream STREAM according to - FORMAT (a letter or 0 for natural format). The data at VALADDR is in - target byte order. - - If the data are a string pointer, returns the number of string characters - printed. - - If DEREF_REF is nonzero, then dereference references, otherwise just print - them like pointers. - - The PRETTY parameter controls prettyprinting. */ - -int -java_val_print (struct type *type, char *valaddr, int embedded_offset, - CORE_ADDR address, struct ui_file *stream, int format, - int deref_ref, int recurse, enum val_prettyprint pretty) -{ - register unsigned int i = 0; /* Number of characters printed */ - struct type *target_type; - CORE_ADDR addr; - - CHECK_TYPEDEF (type); - switch (TYPE_CODE (type)) - { - case TYPE_CODE_PTR: - if (format && format != 's') - { - print_scalar_formatted (valaddr, type, format, 0, stream); - break; - } -#if 0 - if (vtblprint && cp_is_vtbl_ptr_type (type)) - { - /* Print the unmangled name if desired. */ - /* Print vtable entry - we only get here if we ARE using - -fvtable_thunks. (Otherwise, look under TYPE_CODE_STRUCT.) */ - print_address_demangle (extract_address (valaddr, TYPE_LENGTH (type)), - stream, demangle); - break; - } -#endif - addr = unpack_pointer (type, valaddr); - if (addr == 0) - { - fputs_filtered ("null", stream); - return i; - } - target_type = check_typedef (TYPE_TARGET_TYPE (type)); - - if (TYPE_CODE (target_type) == TYPE_CODE_FUNC) - { - /* Try to print what function it points to. */ - print_address_demangle (addr, stream, demangle); - /* Return value is irrelevant except for string pointers. */ - return (0); - } - - if (addressprint && format != 's') - { - fputs_filtered ("@", stream); - print_longest (stream, 'x', 0, (ULONGEST) addr); - } - - return i; - - case TYPE_CODE_CHAR: - case TYPE_CODE_INT: - /* Can't just call c_val_print because that prints bytes as C - chars. */ - format = format ? format : output_format; - if (format) - print_scalar_formatted (valaddr, type, format, 0, stream); - else if (TYPE_CODE (type) == TYPE_CODE_CHAR - || (TYPE_CODE (type) == TYPE_CODE_INT - && TYPE_LENGTH (type) == 2 - && strcmp (TYPE_NAME (type), "char") == 0)) - LA_PRINT_CHAR ((int) unpack_long (type, valaddr), stream); - else - val_print_type_code_int (type, valaddr, stream); - break; - - case TYPE_CODE_STRUCT: - java_print_value_fields (type, valaddr, address, stream, format, - recurse, pretty); - break; - - default: - return c_val_print (type, valaddr, embedded_offset, address, stream, - format, deref_ref, recurse, pretty); - } - - return 0; -} |