/* Support for printing C++ values for GDB, the GNU debugger.
- Copyright 1986, 1988, 1989, 1991, 1994-1996, 2000
- Free Software Foundation, Inc.
+
+ Copyright 1986, 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1996,
+ 1997, 2000, 2001, 2002, 2003, 2005 Free Software Foundation, Inc.
This file is part of GDB.
Boston, MA 02111-1307, USA. */
#include "defs.h"
-#include "obstack.h"
+#include "gdb_obstack.h"
#include "symtab.h"
#include "gdbtypes.h"
#include "expression.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 */
-
+#include "cp-abi.h"
+#include "valprint.h"
int vtblprint; /* Controls printing of vtbl's */
int objectprint; /* Controls looking up an object's derived type
extern void _initialize_cp_valprint (void);
-static void cp_print_static_field (struct type *, value_ptr,
+static void cp_print_static_field (struct type *, struct value *,
struct ui_file *, int, int,
enum val_prettyprint);
-static void cp_print_value (struct type *, struct type *, char *, int,
- CORE_ADDR, struct ui_file *, int, int,
+static void cp_print_value (struct type *, struct type *, const bfd_byte *,
+ int, CORE_ADDR, struct ui_file *, int, int,
enum val_prettyprint, struct type **);
static void cp_print_hpacc_virtual_table_entries (struct type *, int *,
- value_ptr,
+ struct value *,
struct ui_file *, int,
int,
enum val_prettyprint);
void
-cp_print_class_method (valaddr, type, stream)
- char *valaddr;
- struct type *type;
- struct ui_file *stream;
+cp_print_class_method (const bfd_byte *valaddr,
+ struct type *type,
+ struct ui_file *stream)
{
struct type *domain;
struct fn_field *f = NULL;
fprintf_filtered (stream, "<unknown>");
return;
}
- addr = unpack_pointer (lookup_pointer_type (builtin_type_void), valaddr);
+ addr = unpack_pointer (type, valaddr);
if (METHOD_PTR_IS_VIRTUAL (addr))
{
offset = METHOD_PTR_TO_VOFFSET (addr);
f = TYPE_FN_FIELDLIST1 (domain, i);
len2 = TYPE_FN_FIELDLIST_LENGTH (domain, i);
+ check_stub_method_group (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;
}
if (sym == 0)
{
/* 1997-08-01 Currently unsupported with HP aCC */
- if (hp_som_som_object_present)
+ if (deprecated_hp_som_som_object_present)
{
fputs_filtered ("?? <not supported with HP aCC>", stream);
return;
f = TYPE_FN_FIELDLIST1 (domain, i);
len2 = TYPE_FN_FIELDLIST_LENGTH (domain, i);
+ check_stub_method_group (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;
- }
+ if (strcmp (DEPRECATED_SYMBOL_NAME (sym), TYPE_FN_FIELD_PHYSNAME (f, j))
+ == 0)
+ goto common;
}
}
}
-common:
+ common:
if (i < len)
{
char *demangled_name;
fprintf_filtered (stream, "&");
- fprintf_filtered (stream, kind);
+ fputs_filtered (kind, stream);
demangled_name = cplus_demangle (TYPE_FN_FIELD_PHYSNAME (f, j),
DMGL_ANSI | DMGL_PARAMS);
if (demangled_name == NULL)
else
{
fputs_filtered (demangled_name, stream);
- free (demangled_name);
+ xfree (demangled_name);
}
}
else
}
}
-/* 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};
+/* GCC versions after 2.4.5 use this. */
+const char vtbl_ptr_name[] = "__vtbl_ptr_type";
+/* HP aCC uses different names. */
+const char hpacc_vtbl_ptr_name[] = "__vfp";
+const char hpacc_vtbl_ptr_type_name[] = "__vftyp";
/* 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;
+cp_is_vtbl_ptr_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 (typename != NULL && !strcmp (typename, vtbl_ptr_name));
}
/* 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;
+cp_is_vtbl_member (struct type *type)
{
+ /* With older versions of g++, the vtbl field pointed to an array
+ of structures. Nowadays it points directly to the structure. */
if (TYPE_CODE (type) == TYPE_CODE_PTR)
{
type = TYPE_TARGET_TYPE (type);
return cp_is_vtbl_ptr_type (type);
}
}
+ else if (TYPE_CODE (type) == TYPE_CODE_STRUCT) /* if not using thunks */
+ {
+ return cp_is_vtbl_ptr_type (type);
+ }
+ else if (TYPE_CODE (type) == TYPE_CODE_PTR) /* if using thunks */
+ {
+ /* The type name of the thunk pointer is NULL when using dwarf2.
+ We could test for a pointer to a function, but there is
+ no type info for the virtual table either, so it wont help. */
+ return cp_is_vtbl_ptr_type (type);
+ }
}
return 0;
}
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;
- struct ui_file *stream;
- int format;
- int recurse;
- enum val_prettyprint pretty;
- struct type **dont_print_vb;
- int dont_print_statmem;
+cp_print_value_fields (struct type *type, struct type *real_type,
+ const bfd_byte *valaddr, int offset, 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;
struct obstack tmp_obstack;
/* 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)
+ if ((len == n_baseclasses)
+ || ((len - n_baseclasses == 1)
+ && TYPE_HAS_VTABLE (type)
+ && strncmp (TYPE_FIELD_NAME (type, n_baseclasses),
+ hpacc_vtbl_ptr_name, 5) == 0)
+ || !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
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))
+ if (TYPE_HAS_VTABLE (type)
+ && strncmp (TYPE_FIELD_NAME (type, i), hpacc_vtbl_ptr_name,
+ 5) == 0)
continue;
if (fields_seen)
if (!TYPE_FIELD_STATIC (type, i) && TYPE_FIELD_PACKED (type, i))
{
- value_ptr v;
+ struct value *v;
/* Bitfields require special handling, especially due to byte
order problems. */
}
else
{
- v = value_from_longest (TYPE_FIELD_TYPE (type, i),
- unpack_field_as_long (type, valaddr + offset, i));
+ 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);
+ val_print (TYPE_FIELD_TYPE (type, i), VALUE_CONTENTS (v),
+ 0, 0, stream, format, 0, recurse + 1, pretty);
}
}
else
}
else if (TYPE_FIELD_STATIC (type, i))
{
- value_ptr v = value_static_field (type, i);
+ struct value *v = value_static_field (type, i);
if (v == NULL)
fputs_filtered ("<optimized out>", stream);
else
else
{
val_print (TYPE_FIELD_TYPE (type, i),
- valaddr, offset + TYPE_FIELD_BITPOS (type, i) / 8,
+ valaddr, offset + TYPE_FIELD_BITPOS (type, i) / 8,
address + TYPE_FIELD_BITPOS (type, i) / 8,
stream, format, 0, recurse + 1, pretty);
}
}
} /* 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))
+ if (TYPE_HAS_VTABLE (type)
+ && strncmp (TYPE_FIELD_NAME (type, n_baseclasses),
+ hpacc_vtbl_ptr_name, 5) == 0)
{
- value_ptr v;
+ struct value *v;
/* First get the virtual table pointer and print it out */
#if 0
v = value_from_pointer (lookup_pointer_type (builtin_type_unsigned_long),
*(unsigned long *) (valaddr + offset));
- val_print (VALUE_TYPE (v), VALUE_CONTENTS (v), 0, 0,
+ val_print (value_type (v), VALUE_CONTENTS (v), 0, 0,
stream, format, 0, recurse + 1, pretty);
fields_seen = 1;
if (1)
{
- /* no RRBC support; function pointers embedded directly in vtable */
+ /* no RRBC support; function pointers embedded directly
+ in vtable */
int vfuncs = count_virtual_fns (real_type);
/* FIXME : doesn't work at present */
#if 0
- fprintf_filtered (stream, "%d entr%s: ", vfuncs, vfuncs == 1 ? "y" : "ies");
+ fprintf_filtered (stream, "%d entr%s: ", vfuncs,
+ vfuncs == 1 ? "y" : "ies");
#else
fputs_filtered ("not implemented", stream);
/* recursive function that prints all virtual function entries */
#if 0
- cp_print_hpacc_virtual_table_entries (real_type, &vfuncs, v, stream, format, recurse, pretty);
+ 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 */
+ /* FIXME -- see comments above */
/* RRBC support present; function pointers are found
* by indirection through the class segment entries. */
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;
- struct ui_file *stream;
- int format;
- int recurse;
- enum val_prettyprint pretty;
- struct type **dont_print_vb;
+cp_print_value (struct type *type, struct type *real_type,
+ const bfd_byte *valaddr, int offset, CORE_ADDR address,
+ struct ui_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);
+ = (struct type **) obstack_next_free (&dont_print_vb_obstack);
int i, n_baseclasses = TYPE_N_BASECLASSES (type);
+ int thisoffset;
+ struct type *thistype;
if (dont_print_vb == 0)
{
int skip;
struct type *baseclass = check_typedef (TYPE_BASECLASS (type, i));
char *basename = TYPE_NAME (baseclass);
- char *base_valaddr;
+ const bfd_byte *base_valaddr;
if (BASETYPE_VIA_VIRTUAL (type, i))
{
struct type **first_dont_print
- = (struct type **) obstack_base (&dont_print_vb_obstack);
+ = (struct type **) obstack_base (&dont_print_vb_obstack);
int j = (struct type **) obstack_next_free (&dont_print_vb_obstack)
- - first_dont_print;
+ - first_dont_print;
while (--j >= 0)
if (baseclass == first_dont_print[j])
obstack_ptr_grow (&dont_print_vb_obstack, baseclass);
}
+ thisoffset = offset;
+ thistype = real_type;
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");
+ error ("Virtual base class offset not found from vtable while"
+ " printing");
base_valaddr = valaddr;
}
else
{
- boffset = baseclass_offset (type, i, valaddr + offset, address + offset);
+ boffset = baseclass_offset (type, i,
+ valaddr + offset,
+ address);
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. */
+ /* 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)))
+ 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,
+ /* FIXME (alloca): unsafe if baseclass is really really large. */
+ bfd_byte *buf = alloca (TYPE_LENGTH (baseclass));
+ base_valaddr = buf;
+ if (target_read_memory (address + boffset, buf,
TYPE_LENGTH (baseclass)) != 0)
skip = 1;
+ address = address + boffset;
+ thisoffset = 0;
+ boffset = 0;
+ thistype = baseclass;
}
else
base_valaddr = valaddr;
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),
+ cp_print_value_fields (baseclass, thistype, base_valaddr,
+ thisoffset + boffset, address + boffset,
+ stream, format,
+ recurse, pretty,
+ ((struct type **)
+ obstack_base (&dont_print_vb_obstack)),
0);
fputs_filtered (", ", stream);
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;
- struct ui_file *stream;
- int format;
- int recurse;
- enum val_prettyprint pretty;
+cp_print_static_field (struct type *type,
+ struct value *val,
+ struct ui_file *stream,
+ int format,
+ int recurse,
+ enum val_prettyprint pretty)
{
if (TYPE_CODE (type) == TYPE_CODE_STRUCT)
{
{
if (VALUE_ADDRESS (val) == first_dont_print[i])
{
- fputs_filtered ("<same as static member of an already seen type>",
+ fputs_filtered ("<same as static member of an already"
+ " seen type>",
stream);
return;
}
sizeof (CORE_ADDR));
CHECK_TYPEDEF (type);
- cp_print_value_fields (type, type, VALUE_CONTENTS_ALL (val), VALUE_EMBEDDED_OFFSET (val), VALUE_ADDRESS (val),
+ 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),
+ 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;
- struct ui_file *stream;
- char *prefix;
+cp_print_class_member (const bfd_byte *valaddr, struct type *domain,
+ struct ui_file *stream, char *prefix)
{
/* VAL is a byte offset into the structure type DOMAIN.
print it. */
int extra = 0;
int bits = 0;
- register unsigned int i;
+ unsigned int i;
unsigned len = TYPE_NFIELDS (domain);
/* @@ Make VAL into bit offset */
if (i < len)
{
char *name;
- fprintf_filtered (stream, prefix);
+ fputs_filtered (prefix, stream);
name = type_name_no_tag (domain);
if (name)
fputs_filtered (name, stream);
static void
-cp_print_hpacc_virtual_table_entries (type, vfuncs, v, stream, format, recurse, pretty)
- struct type *type;
- int *vfuncs;
- value_ptr v;
- struct ui_file *stream;
- int format;
- int recurse;
- enum val_prettyprint pretty;
+cp_print_hpacc_virtual_table_entries (struct type *type, int *vfuncs,
+ struct value *v, struct ui_file *stream,
+ int format, int recurse,
+ enum val_prettyprint pretty)
{
int fn, oi;
/* 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);
+ 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++)
if (TYPE_FN_FIELD_VIRTUAL_P (TYPE_FN_FIELDLIST1 (type, fn), oi))
{
char *vf_name;
+ const char *field_physname;
/* virtual function offset */
- int vx = TYPE_FN_FIELD_VOFFSET (TYPE_FN_FIELDLIST1 (type, fn), oi) - 1;
+ 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);
+ struct value *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 */
+ /* adjust by offset */
+ vf->aligner.contents[0] += 4 * (HP_ACC_VFUNC_START + vx);
vf = value_ind (vf); /* get the entry */
- VALUE_TYPE (vf) = VALUE_TYPE (v); /* make it a pointer */
+ vf->type = value_type (v); /* make it a pointer */
/* print out the entry */
- val_print (VALUE_TYPE (vf), VALUE_CONTENTS (vf), 0, 0,
+ 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 */
+ field_physname
+ = TYPE_FN_FIELD_PHYSNAME (TYPE_FN_FIELDLIST1 (type, fn), oi);
+ /* pai: (temp) FIXME Maybe this should be DMGL_ANSI */
+ vf_name = cplus_demangle (field_physname, DMGL_ARM);
fprintf_filtered (stream, " %s", vf_name);
if (--(*vfuncs) > 0)
fputs_filtered (", ", stream);
void
-_initialize_cp_valprint ()
+_initialize_cp_valprint (void)
{
- add_show_from_set
+ deprecated_add_show_from_set
(add_set_cmd ("static-members", class_support, var_boolean,
(char *) &static_field_print,
"Set printing of C++ static members.",
/* Turn on printing of static fields. */
static_field_print = 1;
- add_show_from_set
+ deprecated_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
+ deprecated_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),
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);
+ xmalloc, xfree);
}
projects / deliverable / binutils-gdb.git / blobdiff