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Diffstat (limited to 'gdb/cp-valprint.c')
| -rw-r--r-- | gdb/cp-valprint.c | 826 |
1 files changed, 826 insertions, 0 deletions
diff --git a/gdb/cp-valprint.c b/gdb/cp-valprint.c new file mode 100644 index 0000000..eeeb79e --- /dev/null +++ b/gdb/cp-valprint.c @@ -0,0 +1,826 @@ +/* Support for printing C++ values for GDB, the GNU debugger. + Copyright 1986, 1988, 1989, 1991, 1994, 1995, 1996 + 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 "obstack.h" +#include "symtab.h" +#include "gdbtypes.h" +#include "expression.h" +#include "value.h" +#include "command.h" +#include "gdbcmd.h" +#include "demangle.h" +#include "annotate.h" +#include "gdb_string.h" +#include "c-lang.h" +#include "target.h" + +/* Indication of presence of HP-compiled object files */ +extern int hp_som_som_object_present; /* defined in symtab.c */ + + +int vtblprint; /* Controls printing of vtbl's */ +int objectprint; /* Controls looking up an object's derived type + using what we find in its vtables. */ +int static_field_print; /* Controls printing of static fields. */ + +static struct obstack dont_print_vb_obstack; +static struct obstack dont_print_statmem_obstack; + +static void +cp_print_static_field PARAMS ((struct type *, value_ptr, GDB_FILE *, int, int, + enum val_prettyprint)); + +static void +cp_print_value PARAMS ((struct type *, struct type *, char *, int, CORE_ADDR, GDB_FILE *, + int, int, enum val_prettyprint, struct type **)); + +static void +cp_print_hpacc_virtual_table_entries PARAMS ((struct type *, int *, value_ptr, GDB_FILE *, + int, int, enum val_prettyprint)); + + +void +cp_print_class_method (valaddr, type, stream) + char *valaddr; + struct type *type; + GDB_FILE *stream; +{ + struct type *domain; + struct fn_field *f = NULL; + int j = 0; + int len2; + int offset; + char *kind = ""; + CORE_ADDR addr; + struct symbol *sym; + unsigned len; + unsigned int i; + struct type *target_type = check_typedef (TYPE_TARGET_TYPE (type)); + + domain = TYPE_DOMAIN_TYPE (target_type); + if (domain == (struct type *)NULL) + { + fprintf_filtered (stream, "<unknown>"); + return; + } + addr = unpack_pointer (lookup_pointer_type (builtin_type_void), valaddr); + if (METHOD_PTR_IS_VIRTUAL (addr)) + { + offset = METHOD_PTR_TO_VOFFSET (addr); + len = TYPE_NFN_FIELDS (domain); + for (i = 0; i < len; i++) + { + f = TYPE_FN_FIELDLIST1 (domain, i); + len2 = TYPE_FN_FIELDLIST_LENGTH (domain, i); + + for (j = 0; j < len2; j++) + { + QUIT; + if (TYPE_FN_FIELD_VOFFSET (f, j) == offset) + { + if (TYPE_FN_FIELD_STUB (f, j)) + check_stub_method (domain, i, j); + kind = "virtual "; + goto common; + } + } + } + } + else + { + sym = find_pc_function (addr); + if (sym == 0) + { + /* 1997-08-01 Currently unsupported with HP aCC */ + if (hp_som_som_object_present) + { + fputs_filtered ("?? <not supported with HP aCC>", stream); + return; + } + error ("invalid pointer to member function"); + } + len = TYPE_NFN_FIELDS (domain); + for (i = 0; i < len; i++) + { + f = TYPE_FN_FIELDLIST1 (domain, i); + len2 = TYPE_FN_FIELDLIST_LENGTH (domain, i); + + for (j = 0; j < len2; j++) + { + QUIT; + if (TYPE_FN_FIELD_STUB (f, j)) + check_stub_method (domain, i, j); + if (STREQ (SYMBOL_NAME (sym), TYPE_FN_FIELD_PHYSNAME (f, j))) + { + goto common; + } + } + } + } + common: + if (i < len) + { + char *demangled_name; + + fprintf_filtered (stream, "&"); + fprintf_filtered (stream, kind); + demangled_name = cplus_demangle (TYPE_FN_FIELD_PHYSNAME (f, j), + DMGL_ANSI | DMGL_PARAMS); + if (demangled_name == NULL) + fprintf_filtered (stream, "<badly mangled name %s>", + TYPE_FN_FIELD_PHYSNAME (f, j)); + else + { + fputs_filtered (demangled_name, stream); + free (demangled_name); + } + } + else + { + fprintf_filtered (stream, "("); + type_print (type, "", stream, -1); + fprintf_filtered (stream, ") %d", (int) addr >> 3); + } +} + +/* This was what it was for gcc 2.4.5 and earlier. */ +static const char vtbl_ptr_name_old[] = + { CPLUS_MARKER,'v','t','b','l','_','p','t','r','_','t','y','p','e', 0 }; +/* It was changed to this after 2.4.5. */ +const char vtbl_ptr_name[] = + { '_','_','v','t','b','l','_','p','t','r','_','t','y','p','e', 0 }; + +/* HP aCC uses different names */ +const char hpacc_vtbl_ptr_name[] = + { '_', '_', 'v', 'f', 'p', 0 }; +const char hpacc_vtbl_ptr_type_name[] = + { '_', '_', 'v', 'f', 't', 'y', 'p', 0 }; + + +/* Return truth value for assertion that TYPE is of the type + "pointer to virtual function". */ + +int +cp_is_vtbl_ptr_type(type) + struct type *type; +{ + char *typename = type_name_no_tag (type); + + return (typename != NULL + && (STREQ (typename, vtbl_ptr_name) + || STREQ (typename, vtbl_ptr_name_old))); +} + +/* Return truth value for the assertion that TYPE is of the type + "pointer to virtual function table". */ + +int +cp_is_vtbl_member(type) + struct type *type; +{ + if (TYPE_CODE (type) == TYPE_CODE_PTR) + { + type = TYPE_TARGET_TYPE (type); + if (TYPE_CODE (type) == TYPE_CODE_ARRAY) + { + type = TYPE_TARGET_TYPE (type); + if (TYPE_CODE (type) == TYPE_CODE_STRUCT /* if not using thunks */ + || TYPE_CODE (type) == TYPE_CODE_PTR) /* if using thunks */ + { + /* Virtual functions tables are full of pointers + to virtual functions. */ + return cp_is_vtbl_ptr_type (type); + } + } + } + return 0; +} + +/* Mutually recursive subroutines of cp_print_value and c_val_print to + print out a structure's fields: cp_print_value_fields and cp_print_value. + + TYPE, VALADDR, ADDRESS, STREAM, RECURSE, and PRETTY have the + same meanings as in cp_print_value and c_val_print. + + 2nd argument REAL_TYPE is used to carry over the type of the derived + class across the recursion to base classes. + + DONT_PRINT is an array of baseclass types that we + should not print, or zero if called from top level. */ + +void +cp_print_value_fields (type, real_type, valaddr, offset, address, stream, format, recurse, pretty, + dont_print_vb, dont_print_statmem) + struct type *type; + struct type *real_type; + char *valaddr; + int offset; + CORE_ADDR address; + GDB_FILE *stream; + int format; + int recurse; + enum val_prettyprint pretty; + struct type **dont_print_vb; + int dont_print_statmem; +{ + int i, len, n_baseclasses; + struct obstack tmp_obstack; + char *last_dont_print = obstack_next_free (&dont_print_statmem_obstack); + int fields_seen = 0; + + CHECK_TYPEDEF (type); + + fprintf_filtered (stream, "{"); + len = TYPE_NFIELDS (type); + n_baseclasses = TYPE_N_BASECLASSES (type); + + /* First, print out baseclasses such that we don't print + duplicates of virtual baseclasses. */ + + if (n_baseclasses > 0) + cp_print_value (type, real_type, valaddr, offset, address, stream, + format, recurse+1, pretty, dont_print_vb); + + /* Second, print out data fields */ + + /* If there are no data fields, or if the only field is the + * vtbl pointer, skip this part */ + if ((len == n_baseclasses) || + ((len - n_baseclasses == 1) && + TYPE_HAS_VTABLE(type) && + STREQN(TYPE_FIELD_NAME (type, n_baseclasses), hpacc_vtbl_ptr_name, 5)) || + !len) + fprintf_filtered (stream, "<No data fields>"); + else + { + extern int inspect_it; + + 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. */ + tmp_obstack = dont_print_statmem_obstack; + obstack_finish (&dont_print_statmem_obstack); + } + + for (i = n_baseclasses; i < len; i++) + { + /* If requested, skip printing of static fields. */ + if (!static_field_print && TYPE_FIELD_STATIC (type, i)) + continue; + + /* If a vtable pointer appears, we'll print it out later */ + if (TYPE_HAS_VTABLE(type) && STREQN(TYPE_FIELD_NAME (type, i), hpacc_vtbl_ptr_name, 5)) + 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 (); + /* do not print leading '=' in case of anonymous unions */ + if (strcmp (TYPE_FIELD_NAME (type, i), "")) + fputs_filtered (" = ", stream); + annotate_field_value (); + } + + if (!TYPE_FIELD_STATIC (type, i) && TYPE_FIELD_PACKED (type, i)) + { + value_ptr 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 + offset, 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)) + { + value_ptr v = value_static_field (type, i); + if (v == NULL) + fputs_filtered ("<optimized out>", stream); + else + cp_print_static_field (TYPE_FIELD_TYPE (type, i), v, + stream, format, recurse + 1, + pretty); + } + else + { + val_print (TYPE_FIELD_TYPE (type, i), + valaddr, offset + 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); + } + } /* if there are data fields */ + /* Now print out the virtual table pointer if there is one */ + if (TYPE_HAS_VTABLE(type) && STREQN(TYPE_FIELD_NAME (type, n_baseclasses), hpacc_vtbl_ptr_name, 5)) + { + value_ptr v; + /* First get the virtual table pointer and print it out*/ + +#if 0 + fputs_filtered ("__vfp = ", stream); +#endif + + fputs_filtered (", Virtual table at ", stream); + + /* pai: FIXME 32x64 problem? */ + /* Not sure what the best notation is in the case where there is no + baseclass name. */ + v = value_from_longest (lookup_pointer_type (builtin_type_unsigned_long), + * (unsigned long *) (valaddr + offset)); + + val_print (VALUE_TYPE (v), VALUE_CONTENTS (v), 0, 0, + stream, format, 0, recurse + 1, pretty); + fields_seen = 1; + + if (vtblprint) + { + /* Print out function pointers in vtable. */ + + /* FIXME: then-clause is for non-RRBC layout of virtual + * table. The RRBC case in the else-clause is yet to be + * implemented. The if (1) below should be changed to a + * test for whether the executable we have was compiled + * with a version of HP aCC that doesn't have RRBC + * support. */ + + if (1) + { + /* no RRBC support; function pointers embedded directly in vtable */ + + int vfuncs = count_virtual_fns (real_type); + + fputs_filtered (" {", stream); + + /* FIXME : doesn't work at present */ +#if 0 + fprintf_filtered (stream, "%d entr%s: ", vfuncs, vfuncs == 1 ? "y" : "ies"); +#else + fputs_filtered ("not implemented", stream); + + +#endif + + /* recursive function that prints all virtual function entries */ +#if 0 + cp_print_hpacc_virtual_table_entries (real_type, &vfuncs, v, stream, format, recurse, pretty); +#endif + fputs_filtered ("}", stream); + } /* non-RRBC case */ + else + { + /* FIXME -- seem comments above */ + /* RRBC support present; function pointers are found + * by indirection through the class segment entries. */ + + + } /* RRBC case */ + } /* if vtblprint */ + + if (pretty) + { + fprintf_filtered (stream, "\n"); + print_spaces_filtered (2 * recurse, stream); + } + + } /* if vtable exists */ + + fprintf_filtered (stream, "}"); +} + +/* Special val_print routine to avoid printing multiple copies of virtual + baseclasses. */ + +static void +cp_print_value (type, real_type, valaddr, offset, address, stream, format, recurse, pretty, + dont_print_vb) + struct type *type; + struct type *real_type; + char *valaddr; + int offset; + CORE_ADDR address; + GDB_FILE *stream; + int format; + int recurse; + enum val_prettyprint pretty; + struct type **dont_print_vb; +{ + struct obstack tmp_obstack; + struct type **last_dont_print + = (struct type **)obstack_next_free (&dont_print_vb_obstack); + int i, n_baseclasses = TYPE_N_BASECLASSES (type); + + if (dont_print_vb == 0) + { + /* If we're at top level, carve out a completely fresh + chunk of the obstack and use that until this particular + invocation returns. */ + tmp_obstack = dont_print_vb_obstack; + /* Bump up the high-water mark. Now alpha is omega. */ + obstack_finish (&dont_print_vb_obstack); + } + + for (i = 0; i < n_baseclasses; i++) + { + int boffset; + int skip; + struct type *baseclass = check_typedef (TYPE_BASECLASS (type, i)); + char *basename = TYPE_NAME (baseclass); + char *base_valaddr; + + if (BASETYPE_VIA_VIRTUAL (type, i)) + { + struct type **first_dont_print + = (struct type **)obstack_base (&dont_print_vb_obstack); + + int j = (struct type **)obstack_next_free (&dont_print_vb_obstack) + - first_dont_print; + + while (--j >= 0) + if (baseclass == first_dont_print[j]) + goto flush_it; + + obstack_ptr_grow (&dont_print_vb_obstack, baseclass); + } + + if (TYPE_HAS_VTABLE (type) && BASETYPE_VIA_VIRTUAL (type, i)) + { + /* Assume HP/Taligent runtime convention */ + find_rt_vbase_offset (type, TYPE_BASECLASS (type, i), + valaddr, offset, &boffset, &skip); + if (skip >= 0) + error ("Virtual base class offset not found from vtable while printing"); + base_valaddr = valaddr; + } + else + { + boffset = baseclass_offset (type, i , valaddr + offset, address + offset); + skip = ((boffset == -1) || (boffset+offset) < 0 ) ? 1 : -1; + + if (BASETYPE_VIA_VIRTUAL (type, i)) + { + /* The virtual base class pointer might have been clobbered by the + user program. Make sure that it still points to a valid memory + location. */ + + if (boffset != -1 && ((boffset+offset) < 0 || (boffset+offset) >= TYPE_LENGTH (type))) + { + base_valaddr = (char *) alloca (TYPE_LENGTH (baseclass)); + if (target_read_memory (address + boffset, base_valaddr, + TYPE_LENGTH (baseclass)) != 0) + skip = 1; + } + else + base_valaddr = valaddr; + } + else + base_valaddr = valaddr; + } + + /* now do the printing */ + if (pretty) + { + fprintf_filtered (stream, "\n"); + print_spaces_filtered (2 * recurse, 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); + + + if (skip >= 1) + fprintf_filtered (stream, "<invalid address>"); + else + cp_print_value_fields (baseclass, real_type, base_valaddr, offset + boffset, address, + stream, format, recurse, pretty, + (struct type **) obstack_base (&dont_print_vb_obstack), + 0); + fputs_filtered (", ", stream); + + flush_it: + ; + } + + if (dont_print_vb == 0) + { + /* Free the space used to deal with the printing + of this type from top level. */ + obstack_free (&dont_print_vb_obstack, last_dont_print); + /* Reset watermark so that we can continue protecting + ourselves from whatever we were protecting ourselves. */ + dont_print_vb_obstack = tmp_obstack; + } +} + +/* Print value of a static member. + To avoid infinite recursion when printing a class that contains + a static instance of the class, we keep the addresses of all printed + static member classes in an obstack and refuse to print them more + than once. + + VAL contains the value to print, TYPE, STREAM, RECURSE, and PRETTY + have the same meanings as in c_val_print. */ + +static void +cp_print_static_field (type, val, stream, format, recurse, pretty) + struct type *type; + value_ptr val; + GDB_FILE *stream; + int format; + int recurse; + enum val_prettyprint pretty; +{ + if (TYPE_CODE (type) == TYPE_CODE_STRUCT) + { + CORE_ADDR *first_dont_print; + int i; + + first_dont_print + = (CORE_ADDR *)obstack_base (&dont_print_statmem_obstack); + i = (CORE_ADDR *)obstack_next_free (&dont_print_statmem_obstack) + - first_dont_print; + + while (--i >= 0) + { + if (VALUE_ADDRESS (val) == first_dont_print[i]) + { + fputs_filtered ("<same as static member of an already seen type>", + stream); + return; + } + } + + obstack_grow (&dont_print_statmem_obstack, (char *) &VALUE_ADDRESS (val), + sizeof (CORE_ADDR)); + + CHECK_TYPEDEF (type); + cp_print_value_fields (type, type, VALUE_CONTENTS_ALL (val), VALUE_EMBEDDED_OFFSET (val), VALUE_ADDRESS (val), + stream, format, recurse, pretty, NULL, 1); + return; + } + val_print (type, VALUE_CONTENTS_ALL (val), VALUE_EMBEDDED_OFFSET (val), VALUE_ADDRESS (val), + stream, format, 0, recurse, pretty); +} + +void +cp_print_class_member (valaddr, domain, stream, prefix) + char *valaddr; + struct type *domain; + GDB_FILE *stream; + char *prefix; +{ + + /* VAL is a byte offset into the structure type DOMAIN. + Find the name of the field for that offset and + print it. */ + int extra = 0; + int bits = 0; + register unsigned int i; + unsigned len = TYPE_NFIELDS (domain); + + /* @@ Make VAL into bit offset */ + + /* Note: HP aCC generates offsets that are the real byte offsets added + to a constant bias 0x20000000 (1 << 29). This constant bias gets + shifted out in the code below -- joyous happenstance! */ + + /* Note: HP cfront uses a constant bias of 1; if we support this + compiler ever, we will have to adjust the computation below */ + + LONGEST val = unpack_long (builtin_type_int, valaddr) << 3; + for (i = TYPE_N_BASECLASSES (domain); i < len; i++) + { + int bitpos = TYPE_FIELD_BITPOS (domain, i); + QUIT; + if (val == bitpos) + break; + if (val < bitpos && i != 0) + { + /* Somehow pointing into a field. */ + i -= 1; + extra = (val - TYPE_FIELD_BITPOS (domain, i)); + if (extra & 0x7) + bits = 1; + else + extra >>= 3; + break; + } + } + if (i < len) + { + char *name; + fprintf_filtered (stream, prefix); + name = type_name_no_tag (domain); + if (name) + fputs_filtered (name, stream); + else + c_type_print_base (domain, stream, 0, 0); + fprintf_filtered (stream, "::"); + fputs_filtered (TYPE_FIELD_NAME (domain, i), stream); + if (extra) + fprintf_filtered (stream, " + %d bytes", extra); + if (bits) + fprintf_filtered (stream, " (offset in bits)"); + } + else + fprintf_filtered (stream, "%d", val >> 3); +} + + +/* This function prints out virtual table entries for a class; it + * recurses on the base classes to find all virtual functions + * available in a class. + * + * pai/1997-05-21 Note: As the name suggests, it's currently + * implemented for HP aCC runtime only. g++ objects are handled + * differently and I have made no attempt to fold that logic in + * here. The runtime layout is different for the two cases. Also, + * this currently has only the code for non-RRBC layouts generated by + * the HP aCC compiler; RRBC code is stubbed out and will have to be + * added later. */ + + +static void +cp_print_hpacc_virtual_table_entries (type, vfuncs, v, stream, format, recurse, pretty) + struct type * type; + int * vfuncs; + value_ptr v; + GDB_FILE *stream; + int format; + int recurse; + enum val_prettyprint pretty; +{ + int fn, oi; + + /* pai: FIXME this function doesn't work. It should handle a given + * virtual function only once (latest redefinition in class hierarchy) + */ + + /* Recursion on other classes that can share the same vtable */ + struct type * pbc = primary_base_class (type); + if (pbc) + cp_print_hpacc_virtual_table_entries (pbc, vfuncs, v, stream, format, recurse, pretty); + + /* Now deal with vfuncs declared in this class */ + for (fn = 0; fn < TYPE_NFN_FIELDS (type); fn++) + for (oi = 0; oi < TYPE_FN_FIELDLIST_LENGTH (type, fn); oi++) + if (TYPE_FN_FIELD_VIRTUAL_P (TYPE_FN_FIELDLIST1 (type, fn), oi)) + { + char * vf_name; + + /* virtual function offset */ + int vx = TYPE_FN_FIELD_VOFFSET (TYPE_FN_FIELDLIST1 (type, fn), oi) - 1; + + /* Get the address of the vfunction entry */ + value_ptr vf = value_copy (v); + if (VALUE_LAZY (vf)) + (void) value_fetch_lazy (vf); + vf->aligner.contents[0] += 4 * (HP_ACC_VFUNC_START + vx); /* adjust by offset */ + vf = value_ind (vf); /* get the entry */ + VALUE_TYPE (vf) = VALUE_TYPE (v); /* make it a pointer */ + + /* print out the entry */ + val_print (VALUE_TYPE (vf), VALUE_CONTENTS (vf), 0, 0, + stream, format, 0, recurse + 1, pretty); + vf_name = cplus_demangle (TYPE_FN_FIELD_PHYSNAME (TYPE_FN_FIELDLIST1 (type, fn), oi), + DMGL_ARM); /* pai: (temp) FIXME Maybe this should be DMGL_ANSI */ + fprintf_filtered (stream, " %s", vf_name); + if (--(*vfuncs) > 0) + fputs_filtered (", ", stream); + } +} + + + +void +_initialize_cp_valprint () +{ + add_show_from_set + (add_set_cmd ("static-members", class_support, var_boolean, + (char *)&static_field_print, + "Set printing of C++ static members.", + &setprintlist), + &showprintlist); + /* Turn on printing of static fields. */ + static_field_print = 1; + + add_show_from_set + (add_set_cmd ("vtbl", class_support, var_boolean, (char *)&vtblprint, + "Set printing of C++ virtual function tables.", + &setprintlist), + &showprintlist); + + add_show_from_set + (add_set_cmd ("object", class_support, var_boolean, (char *)&objectprint, + "Set printing of object's derived type based on vtable info.", + &setprintlist), + &showprintlist); + + /* Give people the defaults which they are used to. */ + objectprint = 0; + vtblprint = 0; + obstack_begin (&dont_print_vb_obstack, 32 * sizeof (struct type *)); + obstack_specify_allocation (&dont_print_statmem_obstack, + 32 * sizeof (CORE_ADDR), sizeof (CORE_ADDR), + xmalloc, free); +} |