X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fjv-valprint.c;h=3b90e54fec3e3fcf18fa518ec1bd50a416fe803f;hb=16f92dd4d4a4e637f7910c32cd6fd4b0ff78149a;hp=ef258475fde737629cc2ba2926525ecbe651d30c;hpb=b276f1bbc9cf6f8d44204350cb03e4d021edf783;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/jv-valprint.c b/gdb/jv-valprint.c index ef258475fd..3b90e54fec 100644 --- a/gdb/jv-valprint.c +++ b/gdb/jv-valprint.c @@ -1,11 +1,12 @@ /* Support for printing Java values for GDB, the GNU debugger. - Copyright 1997, 1998, 1999, 2000 Free Software Foundation, Inc. + + Copyright (C) 1997-2013 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 +15,7 @@ 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" @@ -34,39 +33,38 @@ /* 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) +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; - char *name; + const char *name; + struct value_print_options opts; - type = VALUE_TYPE (val); - address = VALUE_ADDRESS (val) + VALUE_OFFSET (val); + 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 */ + /* 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 = unpack_pointer (type, VALUE_CONTENTS (val)); + obj_addr = value_address (tem); if (obj_addr != 0) { - type = type_from_class (java_class_from_object (val)); + type = type_from_class (gdbarch, java_class_from_object (val)); type = lookup_pointer_type (type); - val = value_at (type, address, NULL); + val = value_at (type, address); } } @@ -77,30 +75,32 @@ java_value_print (struct value *val, struct ui_file *stream, int format, if (TYPE_CODE (type) == TYPE_CODE_STRUCT && name != NULL && (i = strlen (name), name[i - 1] == ']')) { - char buf4[4]; + gdb_byte buf4[4]; long length; unsigned int things_printed = 0; int reps; - struct type *el_type = java_primitive_type_from_name (name, i - 2); + struct type *el_type + = java_primitive_type_from_name (gdbarch, name, i - 2); i = 0; - read_memory (address + JAVA_OBJECT_SIZE, buf4, 4); + read_memory (address + get_java_object_header_size (gdbarch), buf4, 4); - length = (long) extract_signed_integer (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 */ + CORE_ADDR next_element = -1; /* Dummy initial value. */ - address += JAVA_OBJECT_SIZE + 4; /* Skip object header and length. */ + /* Skip object header and length. */ + address += get_java_object_header_size (gdbarch) + 4; - while (i < length && things_printed < print_max) + while (i < length && things_printed < options->print_max) { - char *buf; + gdb_byte *buf; - buf = alloca (TARGET_PTR_BIT / HOST_CHAR_BIT); + buf = alloca (gdbarch_ptr_bit (gdbarch) / HOST_CHAR_BIT); fputs_filtered (", ", stream); wrap_here (n_spaces (2)); @@ -109,23 +109,25 @@ java_value_print (struct value *val, struct ui_file *stream, int format, else { read_memory (address, buf, sizeof (buf)); - address += TARGET_PTR_BIT / HOST_CHAR_BIT; + 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)); + element = extract_unsigned_integer (buf, sizeof (buf), + byte_order); } for (reps = 1; i + reps < length; reps++) { read_memory (address, buf, sizeof (buf)); - address += TARGET_PTR_BIT / HOST_CHAR_BIT; + 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)); + next_element = extract_unsigned_integer (buf, sizeof (buf), + byte_order); if (next_element != element) break; } @@ -138,7 +140,7 @@ java_value_print (struct value *val, struct ui_file *stream, int format, if (element == 0) fprintf_filtered (stream, "null"); else - fprintf_filtered (stream, "@%s", paddr_nz (element)); + fprintf_filtered (stream, "@%s", paddress (gdbarch, element)); things_printed++; i += reps; @@ -149,10 +151,11 @@ java_value_print (struct value *val, struct ui_file *stream, int format, 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); + 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 < print_max) + while (i < length && things_printed < options->print_max) { fputs_filtered (", ", stream); wrap_here (n_spaces (2)); @@ -167,18 +170,22 @@ java_value_print (struct value *val, struct ui_file *stream, int format, } else { - VALUE_LAZY (v) = 1; - VALUE_OFFSET (v) = 0; + set_value_lazy (v, 1); + set_value_offset (v, 0); } - VALUE_OFFSET (next_v) = VALUE_OFFSET (v); + set_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) + 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_available_contents_eq + (v, value_embedded_offset (v), + next_v, value_embedded_offset (next_v), + TYPE_LENGTH (el_type)))) break; } @@ -187,8 +194,9 @@ java_value_print (struct value *val, struct ui_file *stream, int format, 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); + opts = *options; + opts.deref_ref = 1; + common_val_print (v, stream, 1, &opts, current_language); things_printed++; i += reps; @@ -200,20 +208,21 @@ java_value_print (struct value *val, struct ui_file *stream, int format, fprintf_filtered (stream, "}"); - return 0; + return; } - /* If it's type String, print it */ + /* 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 - && (format == 0 || format == 's') + && (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; @@ -222,7 +231,9 @@ java_value_print (struct value *val, struct ui_file *stream, int format, unsigned long count; struct value *mark; - mark = value_mark (); /* Remember start of new values */ + 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); @@ -233,27 +244,33 @@ java_value_print (struct value *val, struct ui_file *stream, int format, count_val = value_struct_elt (&val, NULL, "count", NULL, NULL); count = value_as_address (count_val); - value_free_to_mark (mark); /* Release unnecessary values */ + value_free_to_mark (mark); /* Release unnecessary values. */ - val_print_string (data + boffset, count, 2, stream); + char_type = builtin_java_type (gdbarch)->builtin_char; + val_print_string (char_type, NULL, data + boffset, count, stream, + options); - return 0; + return; } - return (val_print (type, VALUE_CONTENTS (val), 0, address, - stream, format, 1, 0, pretty)); + opts = *options; + opts.deref_ref = 1; + common_val_print (val, stream, 0, &opts, current_language); } -/* TYPE, VALADDR, ADDRESS, STREAM, RECURSE, and PRETTY have the +/* 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, char *valaddr, CORE_ADDR address, - struct ui_file *stream, int format, int recurse, - enum val_prettyprint pretty) +java_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) { int i, len, n_baseclasses; @@ -271,8 +288,8 @@ java_print_value_fields (struct type *type, char *valaddr, CORE_ADDR address, { int boffset; struct type *baseclass = check_typedef (TYPE_BASECLASS (type, i)); - char *basename = TYPE_NAME (baseclass); - char *base_valaddr; + const char *basename = TYPE_NAME (baseclass); + const gdb_byte *base_valaddr; if (BASETYPE_VIA_VIRTUAL (type, i)) continue; @@ -282,7 +299,7 @@ java_print_value_fields (struct type *type, char *valaddr, CORE_ADDR address, boffset = 0; - if (pretty) + if (options->prettyformat) { fprintf_filtered (stream, "\n"); print_spaces_filtered (2 * (recurse + 1), stream); @@ -295,14 +312,11 @@ java_print_value_fields (struct type *type, char *valaddr, CORE_ADDR address, base_valaddr = valaddr; - java_print_value_fields (baseclass, base_valaddr, address + boffset, - stream, format, recurse + 1, pretty); + java_print_value_fields (baseclass, base_valaddr, + offset + boffset, address, + stream, recurse + 1, val, options); fputs_filtered (", ", stream); - - flush_it: - ; } - } if (!len && n_baseclasses == 1) @@ -314,10 +328,11 @@ java_print_value_fields (struct type *type, char *valaddr, CORE_ADDR address, for (i = n_baseclasses; i < len; i++) { /* If requested, skip printing of static fields. */ - if (TYPE_FIELD_STATIC (type, i)) + if (field_is_static (&TYPE_FIELD (type, i))) { - char *name = TYPE_FIELD_NAME (type, i); - if (!static_field_print) + const char *name = TYPE_FIELD_NAME (type, i); + + if (!options->static_field_print) continue; if (name != NULL && strcmp (name, "class") == 0) continue; @@ -326,7 +341,7 @@ java_print_value_fields (struct type *type, char *valaddr, CORE_ADDR address, fprintf_filtered (stream, ", "); else if (n_baseclasses > 0) { - if (pretty) + if (options->prettyformat) { fprintf_filtered (stream, "\n"); print_spaces_filtered (2 + 2 * recurse, stream); @@ -337,7 +352,7 @@ java_print_value_fields (struct type *type, char *valaddr, CORE_ADDR address, } fields_seen = 1; - if (pretty) + if (options->prettyformat) { fprintf_filtered (stream, "\n"); print_spaces_filtered (2 + 2 * recurse, stream); @@ -346,38 +361,20 @@ java_print_value_fields (struct type *type, char *valaddr, CORE_ADDR address, { 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)) + 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; @@ -387,13 +384,29 @@ java_print_value_fields (struct type *type, char *valaddr, CORE_ADDR address, { fputs_filtered ("", stream); } + else if (value_bits_synthetic_pointer (val, + TYPE_FIELD_BITPOS (type, + i), + TYPE_FIELD_BITSIZE (type, + i))) + { + fputs_filtered (_(""), stream); + } + else if (!value_bits_valid (val, TYPE_FIELD_BITPOS (type, i), + TYPE_FIELD_BITSIZE (type, i))) + { + val_print_optimized_out (stream); + } else { - v = value_from_longest (TYPE_FIELD_TYPE (type, i), - unpack_field_as_long (type, valaddr, i)); + struct value_print_options opts; + + v = value_field_bitfield (type, i, valaddr, offset, val); - val_print (TYPE_FIELD_TYPE (type, i), VALUE_CONTENTS (v), 0, - 0, stream, format, 0, recurse + 1, pretty); + opts = *options; + opts.deref_ref = 0; + common_val_print (v, stream, recurse + 1, + &opts, current_language); } } else @@ -402,35 +415,43 @@ java_print_value_fields (struct type *type, char *valaddr, CORE_ADDR address, { fputs_filtered ("", stream); } - else if (TYPE_FIELD_STATIC (type, i)) + else if (field_is_static (&TYPE_FIELD (type, i))) { struct value *v = value_static_field (type, i); + if (v == NULL) - fputs_filtered ("", stream); + val_print_optimized_out (stream); else { - struct type *t = check_typedef (VALUE_TYPE (v)); + struct value_print_options opts; + 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); + 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 ("", 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, format, 0, recurse + 1, pretty); + valaddr, + offset + TYPE_FIELD_BITPOS (type, i) / 8, + address, stream, recurse + 1, val, &opts, + current_language); } } annotate_field_end (); } - if (pretty) + if (options->prettyformat) { fprintf_filtered (stream, "\n"); print_spaces_filtered (2 * recurse, stream); @@ -439,25 +460,17 @@ java_print_value_fields (struct type *type, char *valaddr, CORE_ADDR address, 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. */ +/* See val_print for a description of the various parameters of this + function; they are identical. */ -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) +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) { - register unsigned int i = 0; /* Number of characters printed */ + struct gdbarch *gdbarch = get_type_arch (type); struct type *target_type; CORE_ADDR addr; @@ -465,72 +478,66 @@ java_val_print (struct type *type, char *valaddr, int embedded_offset, switch (TYPE_CODE (type)) { case TYPE_CODE_PTR: - if (format && format != 's') + if (options->format && options->format != 's') { - print_scalar_formatted (valaddr, type, format, 0, stream); + val_print_scalar_formatted (type, valaddr, embedded_offset, + val, options, 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.) */ - /* Extract an address, assume that it is unsigned. */ - print_address_demangle (extract_unsigned_integer (valaddr, TYPE_LENGTH (type)), - stream, demangle); - break; - } -#endif - addr = unpack_pointer (type, valaddr); + addr = unpack_pointer (type, valaddr + embedded_offset); if (addr == 0) { fputs_filtered ("null", stream); - return i; + 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 (addr, stream, demangle); - /* Return value is irrelevant except for string pointers. */ - return (0); + print_address_demangle (options, gdbarch, addr, stream, demangle); + return; } - if (addressprint && format != 's') + if (options->addressprint && options->format != 's') { fputs_filtered ("@", stream); print_longest (stream, 'x', 0, (ULONGEST) addr); } - return i; + return; 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); + 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), stream); + LA_PRINT_CHAR ((int) unpack_long (type, valaddr + embedded_offset), + type, stream); else - val_print_type_code_int (type, valaddr, stream); + val_print_type_code_int (type, valaddr + embedded_offset, stream); break; case TYPE_CODE_STRUCT: - java_print_value_fields (type, valaddr, address, stream, format, - recurse, pretty); + java_print_value_fields (type, valaddr, embedded_offset, + address, stream, recurse, val, options); break; default: - return c_val_print (type, valaddr, embedded_offset, address, stream, - format, deref_ref, recurse, pretty); + c_val_print (type, valaddr, embedded_offset, address, stream, + recurse, val, options); + break; } - - return 0; }