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authorStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
committerStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
commit071ea11e85eb9d529cc5eb3d35f6247466a21b99 (patch)
tree5deda65b8d7b04d1f4cbc534c3206d328e1267ec /gdb/cp-valprint.c
parent1730ec6b1848f0f32154277f788fb29f88d8475b (diff)
downloadgdb-071ea11e85eb9d529cc5eb3d35f6247466a21b99.zip
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Initial creation of sourceware repository
Diffstat (limited to 'gdb/cp-valprint.c')
-rw-r--r--gdb/cp-valprint.c826
1 files changed, 0 insertions, 826 deletions
diff --git a/gdb/cp-valprint.c b/gdb/cp-valprint.c
deleted file mode 100644
index eeeb79e..0000000
--- a/gdb/cp-valprint.c
+++ /dev/null
@@ -1,826 +0,0 @@
-/* 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);
-}