diff options
Diffstat (limited to 'gdb/jv-valprint.c')
| -rw-r--r-- | gdb/jv-valprint.c | 532 |
1 files changed, 0 insertions, 532 deletions
diff --git a/gdb/jv-valprint.c b/gdb/jv-valprint.c deleted file mode 100644 index 2988737..0000000 --- a/gdb/jv-valprint.c +++ /dev/null @@ -1,532 +0,0 @@ -/* Support for printing Java values for GDB, the GNU debugger. - - Copyright (C) 1997-2016 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 3 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, see <http://www.gnu.org/licenses/>. */ - -#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" -/* Local functions */ - -void -java_value_print (struct value *val, struct ui_file *stream, - const struct value_print_options *options) -{ - struct gdbarch *gdbarch = get_type_arch (value_type (val)); - enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); - struct type *type; - CORE_ADDR address; - int i; - const char *name; - struct value_print_options opts; - - type = value_type (val); - address = value_address (val); - - if (is_object_type (type)) - { - CORE_ADDR obj_addr; - struct value *tem = val; - - /* Get the run-time type, and cast the object into that. */ - while (TYPE_CODE (value_type (tem)) == TYPE_CODE_PTR) - tem = value_ind (tem); - - obj_addr = value_address (tem); - - if (obj_addr != 0) - { - type = type_from_class (gdbarch, java_class_from_object (val)); - type = lookup_pointer_type (type); - - val = value_at (type, address); - type = value_type (val); - } - } - - 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] == ']')) - { - gdb_byte buf4[4]; - long length; - unsigned int things_printed = 0; - int reps; - struct type *el_type - = java_primitive_type_from_name (gdbarch, name, i - 2); - - i = 0; - read_memory (address + get_java_object_header_size (gdbarch), buf4, 4); - - length = (long) extract_signed_integer (buf4, 4, byte_order); - fprintf_filtered (stream, "{length: %ld", length); - - if (el_type == NULL) - { - CORE_ADDR element; - CORE_ADDR next_element = -1; /* Dummy initial value. */ - - /* Skip object header and length. */ - address += get_java_object_header_size (gdbarch) + 4; - - while (i < length && things_printed < options->print_max) - { - gdb_byte *buf; - - buf = ((gdb_byte *) - alloca (gdbarch_ptr_bit (gdbarch) / 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 += gdbarch_ptr_bit (gdbarch) / HOST_CHAR_BIT; - /* FIXME: cagney/2003-05-24: Bogus or what. It - pulls a host sized pointer out of the target and - then extracts that as an address (while assuming - that the address is unsigned)! */ - element = extract_unsigned_integer (buf, sizeof (buf), - byte_order); - } - - for (reps = 1; i + reps < length; reps++) - { - read_memory (address, buf, sizeof (buf)); - address += gdbarch_ptr_bit (gdbarch) / HOST_CHAR_BIT; - /* FIXME: cagney/2003-05-24: Bogus or what. It - pulls a host sized pointer out of the target and - then extracts that as an address (while assuming - that the address is unsigned)! */ - next_element = extract_unsigned_integer (buf, sizeof (buf), - byte_order); - 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", paddress (gdbarch, element)); - - things_printed++; - i += reps; - } - } - else - { - struct value *v = allocate_value (el_type); - struct value *next_v = allocate_value (el_type); - - set_value_address (v, (address - + get_java_object_header_size (gdbarch) + 4)); - set_value_address (next_v, value_raw_address (v)); - - while (i < length && things_printed < options->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 - { - set_value_lazy (v, 1); - set_value_offset (v, 0); - } - - set_value_offset (next_v, value_offset (v)); - - for (reps = 1; i + reps < length; reps++) - { - set_value_lazy (next_v, 1); - set_value_offset (next_v, value_offset (next_v) - + TYPE_LENGTH (el_type)); - value_fetch_lazy (next_v); - if (!value_contents_eq (v, value_embedded_offset (v), - next_v, - value_embedded_offset (next_v), - TYPE_LENGTH (el_type))) - break; - } - - if (reps == 1) - fprintf_filtered (stream, "%d: ", i); - else - fprintf_filtered (stream, "%d..%d: ", i, i + reps - 1); - - opts = *options; - opts.deref_ref = 1; - common_val_print (v, stream, 1, &opts, current_language); - - things_printed++; - i += reps; - } - } - - if (i < length) - fprintf_filtered (stream, "..."); - - fprintf_filtered (stream, "}"); - - return; - } - - /* If it's type String, print it. */ - - if (TYPE_CODE (type) == TYPE_CODE_PTR - && TYPE_TARGET_TYPE (type) - && TYPE_TAG_NAME (TYPE_TARGET_TYPE (type)) - && strcmp (TYPE_TAG_NAME (TYPE_TARGET_TYPE (type)), - "java.lang.String") == 0 - && (options->format == 0 || options->format == 's') - && address != 0 - && value_as_address (val) != 0) - { - struct type *char_type; - struct value *data_val; - CORE_ADDR data; - struct value *boffset_val; - unsigned long boffset; - struct value *count_val; - unsigned long count; - struct value *mark; - - fputs_filtered (" ", stream); - - 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. */ - - char_type = builtin_java_type (gdbarch)->builtin_char; - val_print_string (char_type, NULL, data + boffset, count, stream, - options); - - return; - } - - opts = *options; - opts.deref_ref = 1; - common_val_print (val, stream, 0, &opts, current_language); -} - -/* TYPE, VALADDR, ADDRESS, STREAM, RECURSE, and OPTIONS 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, const gdb_byte *valaddr, - LONGEST offset, - CORE_ADDR address, struct ui_file *stream, - int recurse, - const struct value *val, - const struct value_print_options *options) -{ - int i, len, n_baseclasses; - - type = 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)); - const char *basename = TYPE_NAME (baseclass); - const gdb_byte *base_valaddr; - - if (BASETYPE_VIA_VIRTUAL (type, i)) - continue; - - if (basename != NULL && strcmp (basename, "java.lang.Object") == 0) - continue; - - boffset = 0; - - if (options->prettyformat) - { - 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, - offset + boffset, address, - stream, recurse + 1, val, options); - fputs_filtered (", ", stream); - } - } - - if (!len && n_baseclasses == 1) - fprintf_filtered (stream, "<No data fields>"); - else - { - int fields_seen = 0; - - for (i = n_baseclasses; i < len; i++) - { - /* If requested, skip printing of static fields. */ - if (field_is_static (&TYPE_FIELD (type, i))) - { - const char *name = TYPE_FIELD_NAME (type, i); - - if (!options->static_field_print) - continue; - if (name != NULL && strcmp (name, "class") == 0) - continue; - } - if (fields_seen) - fprintf_filtered (stream, ", "); - else if (n_baseclasses > 0) - { - if (options->prettyformat) - { - 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 (options->prettyformat) - { - fprintf_filtered (stream, "\n"); - print_spaces_filtered (2 + 2 * recurse, stream); - } - else - { - wrap_here (n_spaces (2 + 2 * recurse)); - } - - annotate_field_begin (TYPE_FIELD_TYPE (type, i)); - - if (field_is_static (&TYPE_FIELD (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 (!field_is_static (&TYPE_FIELD (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 if (value_bits_synthetic_pointer (val, - TYPE_FIELD_BITPOS (type, - i), - TYPE_FIELD_BITSIZE (type, - i))) - { - fputs_filtered (_("<synthetic pointer>"), stream); - } - else - { - struct value_print_options opts; - - v = value_field_bitfield (type, i, valaddr, offset, val); - - opts = *options; - opts.deref_ref = 0; - common_val_print (v, stream, recurse + 1, - &opts, current_language); - } - } - else - { - if (TYPE_FIELD_IGNORE (type, i)) - { - fputs_filtered ("<optimized out or zero length>", stream); - } - else if (field_is_static (&TYPE_FIELD (type, i))) - { - struct value_print_options opts; - struct value *v = value_static_field (type, i); - struct type *t = check_typedef (value_type (v)); - - if (TYPE_CODE (t) == TYPE_CODE_STRUCT) - v = value_addr (v); - opts = *options; - opts.deref_ref = 0; - common_val_print (v, stream, recurse + 1, - &opts, current_language); - } - else if (TYPE_FIELD_TYPE (type, i) == NULL) - fputs_filtered ("<unknown type>", stream); - else - { - struct value_print_options opts = *options; - - opts.deref_ref = 0; - val_print (TYPE_FIELD_TYPE (type, i), - valaddr, - offset + TYPE_FIELD_BITPOS (type, i) / 8, - address, stream, recurse + 1, val, &opts, - current_language); - } - } - annotate_field_end (); - } - - if (options->prettyformat) - { - fprintf_filtered (stream, "\n"); - print_spaces_filtered (2 * recurse, stream); - } - } - fprintf_filtered (stream, "}"); -} - -/* See val_print for a description of the various parameters of this - function; they are identical. */ - -void -java_val_print (struct type *type, const gdb_byte *valaddr, - int embedded_offset, CORE_ADDR address, - struct ui_file *stream, int recurse, - const struct value *val, - const struct value_print_options *options) -{ - struct gdbarch *gdbarch = get_type_arch (type); - struct type *target_type; - CORE_ADDR addr; - - type = check_typedef (type); - switch (TYPE_CODE (type)) - { - case TYPE_CODE_PTR: - if (options->format && options->format != 's') - { - val_print_scalar_formatted (type, valaddr, embedded_offset, - val, options, 0, stream); - break; - } - addr = unpack_pointer (type, valaddr + embedded_offset); - if (addr == 0) - { - fputs_filtered ("null", stream); - return; - } - 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 (options, gdbarch, addr, stream, demangle); - return; - } - - if (options->addressprint && options->format != 's') - { - fputs_filtered ("@", stream); - print_longest (stream, 'x', 0, (ULONGEST) addr); - } - - return; - - case TYPE_CODE_CHAR: - case TYPE_CODE_INT: - /* Can't just call c_val_print because that prints bytes as C - chars. */ - if (options->format || options->output_format) - { - struct value_print_options opts = *options; - - opts.format = (options->format ? options->format - : options->output_format); - val_print_scalar_formatted (type, valaddr, embedded_offset, - val, &opts, 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 + embedded_offset), - type, stream); - else - val_print_type_code_int (type, valaddr + embedded_offset, stream); - break; - - case TYPE_CODE_STRUCT: - java_print_value_fields (type, valaddr, embedded_offset, - address, stream, recurse, val, options); - break; - - default: - c_val_print (type, valaddr, embedded_offset, address, stream, - recurse, val, options); - break; - } -} |