int 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; char *name; struct value_print_options opts; type = value_type (val); address = value_address (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 (gdbarch, java_class_from_object (val)); type = lookup_pointer_type (type); val = value_at (type, address); } } 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 = 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)); 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); 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 0; } /* 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; 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, data + boffset, count, stream, options); return 0; } opts = *options; opts.deref_ref = 1; return common_val_print (val, stream, 0, &opts, current_language); }
static void ppscm_print_children (SCM printer, enum display_hint hint, struct ui_file *stream, int recurse, const struct value_print_options *options, struct gdbarch *gdbarch, const struct language_defn *language, int printed_nothing) { pretty_printer_worker_smob *w_smob = (pretty_printer_worker_smob *) SCM_SMOB_DATA (printer); int is_map, is_array, done_flag, pretty; unsigned int i; SCM children, status; SCM iter = SCM_BOOL_F; /* -Wall */ struct cleanup *cleanups; if (gdbscm_is_false (w_smob->children)) return; if (!gdbscm_is_procedure (w_smob->children)) { ppscm_print_pp_type_error (_("pretty-printer \"children\" object is not a procedure or #f"), w_smob->children); return; } cleanups = make_cleanup (null_cleanup, NULL); /* If we are printing a map or an array, we want special formatting. */ is_map = hint == HINT_MAP; is_array = hint == HINT_ARRAY; children = gdbscm_safe_call_1 (w_smob->children, printer, gdbscm_memory_error_p); if (gdbscm_is_exception (children)) { ppscm_print_exception_unless_memory_error (children, stream); goto done; } /* We combine two steps here: get children, make an iterator out of them. This simplifies things because there's no language means of creating iterators, and it's the printer object that knows how it will want its children iterated over. */ if (!itscm_is_iterator (children)) { ppscm_print_pp_type_error (_("result of pretty-printer \"children\" procedure is not" " a <gdb:iterator> object"), children); goto done; } iter = children; /* Use the prettyformat_arrays option if we are printing an array, and the pretty option otherwise. */ if (is_array) pretty = options->prettyformat_arrays; else { if (options->prettyformat == Val_prettyformat) pretty = 1; else pretty = options->prettyformat_structs; } done_flag = 0; for (i = 0; i < options->print_max; ++i) { int rc; SCM scm_name, v_scm; char *name; SCM item = itscm_safe_call_next_x (iter, gdbscm_memory_error_p); struct cleanup *inner_cleanup = make_cleanup (null_cleanup, NULL); if (gdbscm_is_exception (item)) { ppscm_print_exception_unless_memory_error (item, stream); break; } if (itscm_is_end_of_iteration (item)) { /* Set a flag so we can know whether we printed all the available elements. */ done_flag = 1; break; } if (! scm_is_pair (item)) { ppscm_print_pp_type_error (_("result of pretty-printer children iterator is not a pair" " or (end-of-iteration)"), item); continue; } scm_name = scm_car (item); v_scm = scm_cdr (item); if (!scm_is_string (scm_name)) { ppscm_print_pp_type_error (_("first element of pretty-printer children iterator is not" " a string"), item); continue; } name = gdbscm_scm_to_c_string (scm_name); make_cleanup (xfree, name); /* Print initial "{". For other elements, there are three cases: 1. Maps. Print a "," after each value element. 2. Arrays. Always print a ",". 3. Other. Always print a ",". */ if (i == 0) { if (printed_nothing) fputs_filtered ("{", stream); else fputs_filtered (" = {", stream); } else if (! is_map || i % 2 == 0) fputs_filtered (pretty ? "," : ", ", stream); /* In summary mode, we just want to print "= {...}" if there is a value. */ if (options->summary) { /* This increment tricks the post-loop logic to print what we want. */ ++i; /* Likewise. */ pretty = 0; break; } if (! is_map || i % 2 == 0) { if (pretty) { fputs_filtered ("\n", stream); print_spaces_filtered (2 + 2 * recurse, stream); } else wrap_here (n_spaces (2 + 2 *recurse)); } if (is_map && i % 2 == 0) fputs_filtered ("[", stream); else if (is_array) { /* We print the index, not whatever the child method returned as the name. */ if (options->print_array_indexes) fprintf_filtered (stream, "[%d] = ", i); } else if (! is_map) { fputs_filtered (name, stream); fputs_filtered (" = ", stream); } if (lsscm_is_lazy_string (v_scm)) { struct value_print_options local_opts = *options; local_opts.addressprint = 0; lsscm_val_print_lazy_string (v_scm, stream, &local_opts); } else if (scm_is_string (v_scm)) { char *output = gdbscm_scm_to_c_string (v_scm); fputs_filtered (output, stream); xfree (output); } else { SCM except_scm; struct value *value = vlscm_convert_value_from_scheme (FUNC_NAME, GDBSCM_ARG_NONE, v_scm, &except_scm, gdbarch, language); if (value == NULL) { ppscm_print_exception_unless_memory_error (except_scm, stream); break; } common_val_print (value, stream, recurse + 1, options, language); } if (is_map && i % 2 == 0) fputs_filtered ("] = ", stream); do_cleanups (inner_cleanup); } if (i) { if (!done_flag) { if (pretty) { fputs_filtered ("\n", stream); print_spaces_filtered (2 + 2 * recurse, stream); } fputs_filtered ("...", stream); } if (pretty) { fputs_filtered ("\n", stream); print_spaces_filtered (2 * recurse, stream); } fputs_filtered ("}", stream); } done: do_cleanups (cleanups); /* Play it safe, make sure ITER doesn't get GC'd. */ scm_remember_upto_here_1 (iter); }
void pascal_object_print_value_fields (struct type *type, const gdb_byte *valaddr, int offset, CORE_ADDR address, struct ui_file *stream, int recurse, const struct value *val, const struct value_print_options *options, struct type **dont_print_vb, int dont_print_statmem) { int i, len, n_baseclasses; char *last_dont_print = (char *) obstack_next_free (&dont_print_statmem_obstack); type = check_typedef (type); fprintf_filtered (stream, "{"); len = TYPE_NFIELDS (type); n_baseclasses = TYPE_N_BASECLASSES (type); /* Print out baseclasses such that we don't print duplicates of virtual baseclasses. */ if (n_baseclasses > 0) pascal_object_print_value (type, valaddr, offset, address, stream, recurse + 1, val, options, dont_print_vb); if (!len && n_baseclasses == 1) fprintf_filtered (stream, "<No data fields>"); else { struct obstack tmp_obstack = dont_print_statmem_obstack; int fields_seen = 0; if (dont_print_statmem == 0) { /* If we're at top level, carve out a completely fresh chunk of the obstack and use that until this particular invocation returns. */ obstack_finish (&dont_print_statmem_obstack); } for (i = n_baseclasses; i < len; i++) { /* If requested, skip printing of static fields. */ if (!options->pascal_static_field_print && field_is_static (&TYPE_FIELD (type, i))) 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 = *options; v = value_field_bitfield (type, i, valaddr, offset, val); 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 *v = value_static_field (type, i); v4.17 specific. */ struct value *v; v = value_field_bitfield (type, i, valaddr, offset, val); if (v == NULL) val_print_optimized_out (NULL, stream); else pascal_object_print_static_field (v, stream, recurse + 1, options); } else { struct value_print_options opts = *options; opts.deref_ref = 0; /* val_print (TYPE_FIELD_TYPE (type, i), valaddr + TYPE_FIELD_BITPOS (type, i) / 8, address + TYPE_FIELD_BITPOS (type, i) / 8, 0, stream, format, 0, recurse + 1, pretty); */ 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 (dont_print_statmem == 0) { /* Free the space used to deal with the printing of the members from top level. */ obstack_free (&dont_print_statmem_obstack, last_dont_print); dont_print_statmem_obstack = tmp_obstack; } if (options->prettyformat) { fprintf_filtered (stream, "\n"); print_spaces_filtered (2 * recurse, stream); } } fprintf_filtered (stream, "}"); }
static void java_print_value_fields (struct type *type, const gdb_byte *valaddr, CORE_ADDR address, struct ui_file *stream, int recurse, const struct value_print_options *options) { 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); 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->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, recurse + 1, 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))) { 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->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 (options->pretty) { fprintf_filtered (stream, "\n"); print_spaces_filtered (2 + 2 * recurse, stream); } else { wrap_here (n_spaces (2 + 2 * recurse)); } if (options->inspect_it) { if (TYPE_CODE (TYPE_FIELD_TYPE (type, i)) == TYPE_CODE_PTR) fputs_filtered ("\"( ptr \"", stream); else fputs_filtered ("\"( nodef \"", stream); 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); 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 (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 { struct value_print_options opts; v = value_from_longest (TYPE_FIELD_TYPE (type, i), unpack_field_as_long (type, valaddr, i)); 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 *v = value_static_field (type, i); if (v == NULL) fputs_filtered ("<optimized out>", stream); else { struct value_print_options opts; 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 + TYPE_FIELD_BITPOS (type, i) / 8, 0, address + TYPE_FIELD_BITPOS (type, i) / 8, stream, recurse + 1, &opts, current_language); } } annotate_field_end (); } if (options->pretty) { fprintf_filtered (stream, "\n"); print_spaces_filtered (2 * recurse, stream); } } fprintf_filtered (stream, "}"); }
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)); }
void pascal_object_print_value_fields (struct type *type, const gdb_byte *valaddr, CORE_ADDR address, struct ui_file *stream, int format, int recurse, enum val_prettyprint pretty, struct type **dont_print_vb, int dont_print_statmem) { int i, len, n_baseclasses; char *last_dont_print = obstack_next_free (&dont_print_statmem_obstack); CHECK_TYPEDEF (type); fprintf_filtered (stream, "{"); len = TYPE_NFIELDS (type); n_baseclasses = TYPE_N_BASECLASSES (type); /* Print out baseclasses such that we don't print duplicates of virtual baseclasses. */ if (n_baseclasses > 0) pascal_object_print_value (type, valaddr, address, stream, format, recurse + 1, pretty, dont_print_vb); if (!len && n_baseclasses == 1) fprintf_filtered (stream, "<No data fields>"); else { struct obstack tmp_obstack = dont_print_statmem_obstack; int fields_seen = 0; if (dont_print_statmem == 0) { /* If we're at top level, carve out a completely fresh chunk of the obstack and use that until this particular invocation returns. */ obstack_finish (&dont_print_statmem_obstack); } for (i = n_baseclasses; i < len; i++) { /* If requested, skip printing of static fields. */ if (!pascal_static_field_print && TYPE_FIELD_STATIC (type, i)) 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)); common_val_print (v, 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); v4.17 specific */ struct value *v; v = value_from_longest (TYPE_FIELD_TYPE (type, i), unpack_field_as_long (type, valaddr, i)); if (v == NULL) fputs_filtered ("<optimized out>", stream); else pascal_object_print_static_field (v, stream, format, recurse + 1, pretty); } else { /* val_print (TYPE_FIELD_TYPE (type, i), valaddr + TYPE_FIELD_BITPOS (type, i) / 8, address + TYPE_FIELD_BITPOS (type, i) / 8, 0, stream, format, 0, recurse + 1, pretty); */ val_print (TYPE_FIELD_TYPE (type, i), valaddr, TYPE_FIELD_BITPOS (type, i) / 8, address + TYPE_FIELD_BITPOS (type, i) / 8, stream, format, 0, recurse + 1, pretty); } } annotate_field_end (); } if (dont_print_statmem == 0) { /* Free the space used to deal with the printing of the members from top level. */ obstack_free (&dont_print_statmem_obstack, last_dont_print); dont_print_statmem_obstack = tmp_obstack; } if (pretty) { fprintf_filtered (stream, "\n"); print_spaces_filtered (2 * recurse, stream); } } fprintf_filtered (stream, "}"); }
static int print_field_values (struct type *type, const gdb_byte *valaddr, int offset, struct ui_file *stream, int recurse, struct value *val, const struct value_print_options *options, int comma_needed, struct type *outer_type, int outer_offset, const struct language_defn *language) { int i, len; len = TYPE_NFIELDS (type); for (i = 0; i < len; i += 1) { if (ada_is_ignored_field (type, i)) continue; if (ada_is_wrapper_field (type, i)) { comma_needed = print_field_values (TYPE_FIELD_TYPE (type, i), valaddr, (offset + TYPE_FIELD_BITPOS (type, i) / HOST_CHAR_BIT), stream, recurse, val, options, comma_needed, type, offset, language); continue; } else if (ada_is_variant_part (type, i)) { comma_needed = print_variant_part (type, i, valaddr, offset, stream, recurse, val, options, comma_needed, outer_type, outer_offset, language); continue; } if (comma_needed) fprintf_filtered (stream, ", "); comma_needed = 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)); fprintf_filtered (stream, "%.*s", ada_name_prefix_len (TYPE_FIELD_NAME (type, i)), TYPE_FIELD_NAME (type, i)); annotate_field_name_end (); fputs_filtered (" => ", stream); annotate_field_value (); if (TYPE_FIELD_PACKED (type, i)) { /* Bitfields require special handling, especially due to byte order problems. */ if (HAVE_CPLUS_STRUCT (type) && TYPE_FIELD_IGNORE (type, i)) { fputs_filtered (_("<optimized out or zero length>"), stream); } else { struct value *v; int bit_pos = TYPE_FIELD_BITPOS (type, i); int bit_size = TYPE_FIELD_BITSIZE (type, i); struct value_print_options opts; adjust_type_signedness (TYPE_FIELD_TYPE (type, i)); v = ada_value_primitive_packed_val (NULL, valaddr, offset + bit_pos / HOST_CHAR_BIT, bit_pos % HOST_CHAR_BIT, bit_size, TYPE_FIELD_TYPE (type, i)); opts = *options; opts.deref_ref = 0; val_print (TYPE_FIELD_TYPE (type, i), value_embedded_offset (v), 0, stream, recurse + 1, v, &opts, language); } } else { struct value_print_options opts = *options; opts.deref_ref = 0; val_print (TYPE_FIELD_TYPE (type, i), (offset + TYPE_FIELD_BITPOS (type, i) / HOST_CHAR_BIT), 0, stream, recurse + 1, val, &opts, language); } annotate_field_end (); } return comma_needed; }
static void val_print_packed_array_elements (struct type *type, const gdb_byte *valaddr, int offset, int bitoffset, struct ui_file *stream, int recurse, struct value *val, const struct value_print_options *options) { unsigned int i; unsigned int things_printed = 0; unsigned len; struct type *elttype, *index_type; unsigned long bitsize = TYPE_FIELD_BITSIZE (type, 0); struct value *mark = value_mark (); LONGEST low = 0; elttype = TYPE_TARGET_TYPE (type); index_type = TYPE_INDEX_TYPE (type); { LONGEST high; if (get_discrete_bounds (index_type, &low, &high) < 0) len = 1; else len = high - low + 1; } i = 0; annotate_array_section_begin (i, elttype); while (i < len && things_printed < options->print_max) { struct value *v0, *v1; int i0; if (i != 0) { if (options->prettyformat_arrays) { fprintf_filtered (stream, ",\n"); print_spaces_filtered (2 + 2 * recurse, stream); } else { fprintf_filtered (stream, ", "); } } wrap_here (n_spaces (2 + 2 * recurse)); maybe_print_array_index (index_type, i + low, stream, options); i0 = i; v0 = ada_value_primitive_packed_val (NULL, valaddr + offset, (i0 * bitsize) / HOST_CHAR_BIT, (i0 * bitsize) % HOST_CHAR_BIT, bitsize, elttype); while (1) { i += 1; if (i >= len) break; v1 = ada_value_primitive_packed_val (NULL, valaddr + offset, (i * bitsize) / HOST_CHAR_BIT, (i * bitsize) % HOST_CHAR_BIT, bitsize, elttype); if (TYPE_LENGTH (check_typedef (value_type (v0))) != TYPE_LENGTH (check_typedef (value_type (v1)))) break; if (!value_contents_eq (v0, value_embedded_offset (v0), v1, value_embedded_offset (v1), TYPE_LENGTH (check_typedef (value_type (v0))))) break; } if (i - i0 > options->repeat_count_threshold) { struct value_print_options opts = *options; opts.deref_ref = 0; val_print (elttype, value_embedded_offset (v0), 0, stream, recurse + 1, v0, &opts, current_language); annotate_elt_rep (i - i0); fprintf_filtered (stream, _(" <repeats %u times>"), i - i0); annotate_elt_rep_end (); } else { int j; struct value_print_options opts = *options; opts.deref_ref = 0; for (j = i0; j < i; j += 1) { if (j > i0) { if (options->prettyformat_arrays) { fprintf_filtered (stream, ",\n"); print_spaces_filtered (2 + 2 * recurse, stream); } else { fprintf_filtered (stream, ", "); } wrap_here (n_spaces (2 + 2 * recurse)); maybe_print_array_index (index_type, j + low, stream, options); } val_print (elttype, value_embedded_offset (v0), 0, stream, recurse + 1, v0, &opts, current_language); annotate_elt (); } } things_printed += i - i0; } annotate_array_section_end (); if (i < len) { fprintf_filtered (stream, "..."); } value_free_to_mark (mark); }
/* Helper for gdbpy_apply_val_pretty_printer that formats children of the printer, if any exist. If is_py_none is true, then nothing has been printed by to_string, and format output accordingly. */ static void print_children (PyObject *printer, const char *hint, struct ui_file *stream, int recurse, const struct value_print_options *options, const struct language_defn *language, int is_py_none) { int is_map, is_array, done_flag, pretty; unsigned int i; if (! PyObject_HasAttr (printer, gdbpy_children_cst)) return; /* If we are printing a map or an array, we want some special formatting. */ is_map = hint && ! strcmp (hint, "map"); is_array = hint && ! strcmp (hint, "array"); gdbpy_ref<> children (PyObject_CallMethodObjArgs (printer, gdbpy_children_cst, NULL)); if (children == NULL) { print_stack_unless_memory_error (stream); return; } gdbpy_ref<> iter (PyObject_GetIter (children.get ())); if (iter == NULL) { print_stack_unless_memory_error (stream); return; } /* Use the prettyformat_arrays option if we are printing an array, and the pretty option otherwise. */ if (is_array) pretty = options->prettyformat_arrays; else { if (options->prettyformat == Val_prettyformat) pretty = 1; else pretty = options->prettyformat_structs; } /* Manufacture a dummy Python frame to work around Python 2.4 bug, where it insists on having a non-NULL tstate->frame when a generator is called. */ #ifndef IS_PY3K dummy_python_frame frame; if (frame.failed ()) { gdbpy_print_stack (); return; } #endif done_flag = 0; for (i = 0; i < options->print_max; ++i) { PyObject *py_v; const char *name; gdbpy_ref<> item (PyIter_Next (iter.get ())); if (item == NULL) { if (PyErr_Occurred ()) print_stack_unless_memory_error (stream); /* Set a flag so we can know whether we printed all the available elements. */ else done_flag = 1; break; } if (! PyTuple_Check (item.get ()) || PyTuple_Size (item.get ()) != 2) { PyErr_SetString (PyExc_TypeError, _("Result of children iterator not a tuple" " of two elements.")); gdbpy_print_stack (); continue; } if (! PyArg_ParseTuple (item.get (), "sO", &name, &py_v)) { /* The user won't necessarily get a stack trace here, so provide more context. */ if (gdbpy_print_python_errors_p ()) fprintf_unfiltered (gdb_stderr, _("Bad result from children iterator.\n")); gdbpy_print_stack (); continue; } /* Print initial "{". For other elements, there are three cases: 1. Maps. Print a "," after each value element. 2. Arrays. Always print a ",". 3. Other. Always print a ",". */ if (i == 0) { if (is_py_none) fputs_filtered ("{", stream); else fputs_filtered (" = {", stream); } else if (! is_map || i % 2 == 0) fputs_filtered (pretty ? "," : ", ", stream); /* In summary mode, we just want to print "= {...}" if there is a value. */ if (options->summary) { /* This increment tricks the post-loop logic to print what we want. */ ++i; /* Likewise. */ pretty = 0; break; } if (! is_map || i % 2 == 0) { if (pretty) { fputs_filtered ("\n", stream); print_spaces_filtered (2 + 2 * recurse, stream); } else wrap_here (n_spaces (2 + 2 *recurse)); } if (is_map && i % 2 == 0) fputs_filtered ("[", stream); else if (is_array) { /* We print the index, not whatever the child method returned as the name. */ if (options->print_array_indexes) fprintf_filtered (stream, "[%d] = ", i); } else if (! is_map) { fputs_filtered (name, stream); fputs_filtered (" = ", stream); } if (gdbpy_is_lazy_string (py_v)) { CORE_ADDR addr; struct type *type; long length; gdb::unique_xmalloc_ptr<char> encoding; struct value_print_options local_opts = *options; gdbpy_extract_lazy_string (py_v, &addr, &type, &length, &encoding); local_opts.addressprint = 0; val_print_string (type, encoding.get (), addr, (int) length, stream, &local_opts); } else if (gdbpy_is_string (py_v)) { gdb::unique_xmalloc_ptr<char> output; output = python_string_to_host_string (py_v); if (!output) gdbpy_print_stack (); else fputs_filtered (output.get (), stream); } else { struct value *value = convert_value_from_python (py_v); if (value == NULL) { gdbpy_print_stack (); error (_("Error while executing Python code.")); } else common_val_print (value, stream, recurse + 1, options, language); } if (is_map && i % 2 == 0) fputs_filtered ("] = ", stream); } if (i) { if (!done_flag) { if (pretty) { fputs_filtered ("\n", stream); print_spaces_filtered (2 + 2 * recurse, stream); } fputs_filtered ("...", stream); } if (pretty) { fputs_filtered ("\n", stream); print_spaces_filtered (2 * recurse, stream); } fputs_filtered ("}", stream); } }
static int print_field_values (struct type *type, char *valaddr, struct ui_file *stream, int format, int recurse, enum val_prettyprint pretty, int comma_needed, struct type *outer_type, char *outer_valaddr) { int i, len; len = TYPE_NFIELDS (type); for (i = 0; i < len; i += 1) { if (ada_is_ignored_field (type, i)) continue; if (ada_is_wrapper_field (type, i)) { comma_needed = print_field_values (TYPE_FIELD_TYPE (type, i), valaddr + TYPE_FIELD_BITPOS (type, i) / HOST_CHAR_BIT, stream, format, recurse, pretty, comma_needed, type, valaddr); continue; } else if (ada_is_variant_part (type, i)) { comma_needed = print_variant_part (type, i, valaddr, stream, format, recurse, pretty, comma_needed, outer_type, outer_valaddr); continue; } if (comma_needed) fprintf_filtered (stream, ", "); comma_needed = 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); fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i), language_cplus, DMGL_NO_OPTS); fputs_filtered ("\" \"", stream); fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i), language_cplus, DMGL_NO_OPTS); fputs_filtered ("\") \"", stream); } else { annotate_field_begin (TYPE_FIELD_TYPE (type, i)); fprintf_filtered (stream, "%.*s", ada_name_prefix_len (TYPE_FIELD_NAME (type, i)), TYPE_FIELD_NAME (type, i)); annotate_field_name_end (); fputs_filtered (" => ", stream); annotate_field_value (); } if (TYPE_FIELD_PACKED (type, i)) { struct value *v; /* Bitfields require special handling, especially due to byte order problems. */ if (TYPE_CPLUS_SPECIFIC (type) != NULL && TYPE_FIELD_IGNORE (type, i)) { fputs_filtered ("<optimized out or zero length>", stream); } else { int bit_pos = TYPE_FIELD_BITPOS (type, i); int bit_size = TYPE_FIELD_BITSIZE (type, i); adjust_type_signedness (TYPE_FIELD_TYPE (type, i)); v = ada_value_primitive_packed_val (NULL, valaddr, bit_pos / HOST_CHAR_BIT, bit_pos % HOST_CHAR_BIT, bit_size, TYPE_FIELD_TYPE (type, i)); val_print (TYPE_FIELD_TYPE (type, i), VALUE_CONTENTS (v), 0, 0, stream, format, 0, recurse + 1, pretty); } } else ada_val_print (TYPE_FIELD_TYPE (type, i), valaddr + TYPE_FIELD_BITPOS (type, i) / HOST_CHAR_BIT, 0, 0, stream, format, 0, recurse + 1, pretty); annotate_field_end (); } return comma_needed; }
static void val_print_packed_array_elements (struct type *type, char *valaddr, int bitoffset, struct ui_file *stream, int format, int recurse, enum val_prettyprint pretty) { unsigned int i; unsigned int things_printed = 0; unsigned len; struct type *elttype; unsigned eltlen; unsigned long bitsize = TYPE_FIELD_BITSIZE (type, 0); struct value *mark = value_mark (); elttype = TYPE_TARGET_TYPE (type); eltlen = TYPE_LENGTH (check_typedef (elttype)); { LONGEST low, high; if (get_discrete_bounds (TYPE_FIELD_TYPE (type, 0), &low, &high) < 0) len = 1; else len = high - low + 1; } i = 0; annotate_array_section_begin (i, elttype); while (i < len && things_printed < print_max) { struct value *v0, *v1; int i0; if (i != 0) { if (prettyprint_arrays) { fprintf_filtered (stream, ",\n"); print_spaces_filtered (2 + 2 * recurse, stream); } else { fprintf_filtered (stream, ", "); } } wrap_here (n_spaces (2 + 2 * recurse)); i0 = i; v0 = ada_value_primitive_packed_val (NULL, valaddr, (i0 * bitsize) / HOST_CHAR_BIT, (i0 * bitsize) % HOST_CHAR_BIT, bitsize, elttype); while (1) { i += 1; if (i >= len) break; v1 = ada_value_primitive_packed_val (NULL, valaddr, (i * bitsize) / HOST_CHAR_BIT, (i * bitsize) % HOST_CHAR_BIT, bitsize, elttype); if (memcmp (VALUE_CONTENTS (v0), VALUE_CONTENTS (v1), eltlen) != 0) break; } if (i - i0 > repeat_count_threshold) { val_print (elttype, VALUE_CONTENTS (v0), 0, 0, stream, format, 0, recurse + 1, pretty); annotate_elt_rep (i - i0); fprintf_filtered (stream, " <repeats %u times>", i - i0); annotate_elt_rep_end (); } else { int j; for (j = i0; j < i; j += 1) { if (j > i0) { if (prettyprint_arrays) { fprintf_filtered (stream, ",\n"); print_spaces_filtered (2 + 2 * recurse, stream); } else { fprintf_filtered (stream, ", "); } wrap_here (n_spaces (2 + 2 * recurse)); } val_print (elttype, VALUE_CONTENTS (v0), 0, 0, stream, format, 0, recurse + 1, pretty); annotate_elt (); } } things_printed += i - i0; } annotate_array_section_end (); if (i < len) { fprintf_filtered (stream, "..."); } value_free_to_mark (mark); }