/* Symbol table lookup for the GNU debugger, GDB.
- Copyright (C) 1986, 1987, 1988, 1989, 1990 Free Software Foundation, Inc.
+ Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992
+ Free Software Foundation, Inc.
This file is part of GDB.
-GDB is free software; you can redistribute it and/or modify
+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 1, or (at your option)
-any later version.
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
-GDB is distributed in the hope that it will be useful,
+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 GDB; see the file COPYING. If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+along with this program; if not, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-#include <stdio.h>
#include "defs.h"
#include "symtab.h"
-#include "param.h"
+#include "gdbtypes.h"
#include "gdbcore.h"
#include "frame.h"
#include "target.h"
#include "value.h"
#include "symfile.h"
+#include "objfiles.h"
#include "gdbcmd.h"
+#include "call-cmds.h"
+#include "regex.h"
+#include "expression.h"
+#include "language.h"
+#include "demangle.h"
#include <obstack.h>
#include <assert.h>
#include <fcntl.h>
#include <string.h>
#include <sys/stat.h>
+#include <ctype.h>
-extern int close ();
-extern void qsort ();
-extern char *getenv ();
-
-extern char *cplus_demangle ();
-extern struct value *value_of_this ();
-extern void break_command ();
-extern void select_source_symtab ();
-
-/* Functions this file defines */
-static int find_line_common ();
-struct partial_symtab *lookup_partial_symtab ();
-static struct partial_symbol *lookup_partial_symbol ();
-
-/* These variables point to the objects
- representing the predefined C data types. */
-
-struct type *builtin_type_void;
-struct type *builtin_type_char;
-struct type *builtin_type_short;
-struct type *builtin_type_int;
-struct type *builtin_type_long;
-#ifdef LONG_LONG
-struct type *builtin_type_long_long;
-#endif
-struct type *builtin_type_unsigned_char;
-struct type *builtin_type_unsigned_short;
-struct type *builtin_type_unsigned_int;
-struct type *builtin_type_unsigned_long;
-#ifdef LONG_LONG
-struct type *builtin_type_unsigned_long_long;
-#endif
-struct type *builtin_type_float;
-struct type *builtin_type_double;
+/* Prototypes for local functions */
+
+static char *
+expensive_mangler PARAMS ((const char *));
+
+extern int
+find_methods PARAMS ((struct type *, char *, char **, struct symbol **));
+
+static void
+completion_list_add_symbol PARAMS ((char *, char *, int));
+
+static struct symtabs_and_lines
+decode_line_2 PARAMS ((struct symbol *[], int, int));
+
+static void
+rbreak_command PARAMS ((char *, int));
+
+static void
+types_info PARAMS ((char *, int));
+
+static void
+functions_info PARAMS ((char *, int));
+
+static void
+variables_info PARAMS ((char *, int));
+
+static void
+sources_info PARAMS ((char *, int));
+
+static void
+list_symbols PARAMS ((char *, int, int));
+
+static void
+output_source_filename PARAMS ((char *, int *));
+
+static char *
+operator_chars PARAMS ((char *, char **));
+
+static int
+find_line_common PARAMS ((struct linetable *, int, int *));
+
+static struct partial_symbol *
+lookup_partial_symbol PARAMS ((struct partial_symtab *, const char *,
+ int, enum namespace));
+
+static struct partial_symbol *
+lookup_demangled_partial_symbol PARAMS ((const struct partial_symtab *,
+ const char *));
+
+static struct symbol *
+lookup_demangled_block_symbol PARAMS ((const struct block *, const char *));
+
+static struct symtab *
+lookup_symtab_1 PARAMS ((char *));
+
+/* */
+
+/* The single non-language-specific builtin type */
struct type *builtin_type_error;
/* Block in which the most recently searched-for symbol was found.
Might be better to make this a parameter to lookup_symbol and
value_of_this. */
-struct block *block_found;
+
+const struct block *block_found;
char no_symtab_msg[] = "No symbol table is loaded. Use the \"file\" command.";
+/* While the C++ support is still in flux, issue a possibly helpful hint on
+ using the new command completion feature on single quoted demangled C++
+ symbols. Remove when loose ends are cleaned up. FIXME -fnf */
+
+void
+cplusplus_hint (name)
+ char *name;
+{
+ printf ("Hint: try '%s<TAB> or '%s<ESC-?>\n", name, name);
+ printf ("(Note leading single quote.)\n");
+}
+
/* Check for a symtab of a specific name; first in symtabs, then in
psymtabs. *If* there is no '/' in the name, a match after a '/'
in the symtab filename will also work. */
{
register struct symtab *s;
register struct partial_symtab *ps;
- register char *slash = strchr (name, '/');
- register int len = strlen (name);
+ register char *slash;
+ register struct objfile *objfile;
+
+ got_symtab:
+
+ /* First, search for an exact match */
- for (s = symtab_list; s; s = s->next)
- if (!strcmp (name, s->filename))
+ ALL_SYMTABS (objfile, s)
+ if (strcmp (name, s->filename) == 0)
return s;
- for (ps = partial_symtab_list; ps; ps = ps->next)
- if (!strcmp (name, ps->filename))
+ slash = strchr (name, '/');
+
+ /* Now, search for a matching tail (only if name doesn't have any dirs) */
+
+ if (!slash)
+ ALL_SYMTABS (objfile, s)
{
- if (ps->readin)
- fatal ("Internal: readin pst found when no symtab found.");
- return PSYMTAB_TO_SYMTAB (ps);
+ char *p = s -> filename;
+ char *tail = strrchr (p, '/');
+
+ if (tail)
+ p = tail + 1;
+
+ if (strcmp (p, name) == 0)
+ return s;
}
+ /* Same search rules as above apply here, but now we look thru the
+ psymtabs. */
+
+ ALL_PSYMTABS (objfile, ps)
+ if (strcmp (name, ps -> filename) == 0)
+ goto got_psymtab;
+
if (!slash)
- {
- for (s = symtab_list; s; s = s->next)
- {
- int l = strlen (s->filename);
+ ALL_PSYMTABS (objfile, ps)
+ {
+ char *p = ps -> filename;
+ char *tail = strrchr (p, '/');
- if (s->filename[l - len -1] == '/'
- && !strcmp (s->filename + l - len, name))
- return s;
- }
+ if (tail)
+ p = tail + 1;
- for (ps = partial_symtab_list; ps; ps = ps->next)
- {
- int l = strlen (ps->filename);
+ if (strcmp (p, name) == 0)
+ goto got_psymtab;
+ }
- if (ps->filename[l - len - 1] == '/'
- && !strcmp (ps->filename + l - len, name))
- {
- if (ps->readin)
- fatal ("Internal: readin pst found when no symtab found.");
- return PSYMTAB_TO_SYMTAB (ps);
- }
- }
- }
- return 0;
+ return (NULL);
+
+ got_psymtab:
+
+ if (ps -> readin)
+ error ("Internal: readin %s pst for `%s' found when no symtab found.",
+ ps -> filename, name);
+
+ s = PSYMTAB_TO_SYMTAB (ps);
+
+ if (s)
+ return s;
+
+ /* At this point, we have located the psymtab for this file, but
+ the conversion to a symtab has failed. This usually happens
+ when we are looking up an include file. In this case,
+ PSYMTAB_TO_SYMTAB doesn't return a symtab, even though one has
+ been created. So, we need to run through the symtabs again in
+ order to find the file.
+ XXX - This is a crock, and should be fixed inside of the the
+ symbol parsing routines. */
+ goto got_symtab;
}
/* Lookup the symbol table of a source file named NAME. Try a couple
lookup_partial_symtab (name)
char *name;
{
- register struct partial_symtab *s;
-
- for (s = partial_symtab_list; s; s = s->next)
- if (!strcmp (name, s->filename))
- return s;
+ register struct partial_symtab *pst;
+ register struct objfile *objfile;
- return 0;
-}
-\f
-/* Return a typename for a struct/union/enum type
- without the tag qualifier. If the type has a NULL name,
- NULL is returned. */
-char *
-type_name_no_tag (type)
- register struct type *type;
-{
- register char *name = TYPE_NAME (type);
- char *strchr ();
- if (name == 0)
- return 0;
-
-#if 0
- switch (TYPE_CODE (type))
- {
- case TYPE_CODE_STRUCT:
- return name + 7;
- case TYPE_CODE_UNION:
- return name + 6;
- case TYPE_CODE_ENUM:
- return name + 5;
- }
-#endif
-
- name = strchr (name, ' ');
- if (name)
- return name + 1;
-
- return TYPE_NAME (type);
-}
-
-/* Added by Bryan Boreham, Kewill, Sun Sep 17 18:07:17 1989.
-
- If this is a stubbed struct (i.e. declared as struct foo *), see if
- we can find a full definition in some other file. If so, copy this
- definition, so we can use it in future. If not, set a flag so we
- don't waste too much time in future.
-
- This used to be coded as a macro, but I don't think it is called
- often enough to merit such treatment.
-*/
-
-struct complaint stub_noname_complaint =
- {"stub type has NULL name", 0, 0};
-
-void
-check_stub_type(type)
- struct type *type;
-{
- if (TYPE_FLAGS(type) & TYPE_FLAG_STUB)
+ ALL_PSYMTABS (objfile, pst)
{
- char* name= type_name_no_tag (type);
- struct symbol *sym;
- if (name == 0)
+ if (strcmp (name, pst -> filename) == 0)
{
- complain (&stub_noname_complaint, 0, 0);
- return;
+ return (pst);
}
- if (sym = lookup_symbol (name, 0, STRUCT_NAMESPACE, 0,
- (struct symtab **)NULL) )
- bcopy (SYMBOL_TYPE(sym), type, sizeof (struct type));
}
+ return (NULL);
}
-
+\f
/* Demangle a GDB method stub type. */
char *
-gdb_mangle_typename (type)
+gdb_mangle_name (type, i, j)
struct type *type;
+ int i, j;
{
- static struct type *last_type;
- static char *mangled_typename;
-
- if (type != last_type)
- {
- /* Need a new type prefix. */
- char *strchr ();
- char *newname = type_name_no_tag (type);
- char buf[20];
- int len;
-
- if (mangled_typename)
- free (mangled_typename);
-
- len = strlen (newname);
- sprintf (buf, "__%d", len);
- mangled_typename = (char *)xmalloc (strlen (buf) + len + 1);
- strcpy (mangled_typename, buf);
- strcat (mangled_typename, newname);
- /* Now we have built "__#newname". */
- }
- return mangled_typename;
-}
-
-/* Lookup a primitive type named NAME.
- Return zero if NAME is not a primitive type.*/
-
-struct type *
-lookup_primitive_typename (name)
- char *name;
-{
- if (!strcmp (name, "int"))
- return builtin_type_int;
- if (!strcmp (name, "long"))
- return builtin_type_long;
- if (!strcmp (name, "short"))
- return builtin_type_short;
- if (!strcmp (name, "char"))
- return builtin_type_char;
- if (!strcmp (name, "float"))
- return builtin_type_float;
- if (!strcmp (name, "double"))
- return builtin_type_double;
- if (!strcmp (name, "void"))
- return builtin_type_void;
- return 0;
-}
-
-/* Lookup a typedef or primitive type named NAME,
- visible in lexical block BLOCK.
- If NOERR is nonzero, return zero if NAME is not suitably defined. */
-
-struct type *
-lookup_typename (name, block, noerr)
- char *name;
- struct block *block;
- int noerr;
-{
- register struct symbol *sym =
- lookup_symbol (name, block, VAR_NAMESPACE, 0, (struct symtab **)NULL);
- if (sym == 0 || SYMBOL_CLASS (sym) != LOC_TYPEDEF)
+ int mangled_name_len;
+ char *mangled_name;
+ struct fn_field *f = TYPE_FN_FIELDLIST1 (type, i);
+ struct fn_field *method = &f[j];
+ char *field_name = TYPE_FN_FIELDLIST_NAME (type, i);
+ char *physname = TYPE_FN_FIELD_PHYSNAME (f, j);
+ char *newname = type_name_no_tag (type);
+ int is_constructor = strcmp(field_name, newname) == 0;
+ int is_destructor = is_constructor && physname[0] == '_'
+ && physname[1] == CPLUS_MARKER && physname[2] == '_';
+ /* Need a new type prefix. */
+ char *const_prefix = method->is_const ? "C" : "";
+ char *volatile_prefix = method->is_volatile ? "V" : "";
+ char buf[20];
+#ifndef GCC_MANGLE_BUG
+ int len = strlen (newname);
+
+ if (is_destructor)
{
- struct type *tmp;
- tmp = lookup_primitive_typename (name);
- if (!tmp && noerr)
- return 0;
- error ("No type named %s.", name);
+ mangled_name = (char*) xmalloc(strlen(physname)+1);
+ strcpy(mangled_name, physname);
+ return mangled_name;
}
- return SYMBOL_TYPE (sym);
-}
-
-struct type *
-lookup_unsigned_typename (name)
- char *name;
-{
- if (!strcmp (name, "int"))
- return builtin_type_unsigned_int;
- if (!strcmp (name, "long"))
- return builtin_type_unsigned_long;
- if (!strcmp (name, "short"))
- return builtin_type_unsigned_short;
- if (!strcmp (name, "char"))
- return builtin_type_unsigned_char;
- error ("No type named unsigned %s.", name);
- return (struct type *)-1; /* for lint */
-}
-
-/* Lookup a structure type named "struct NAME",
- visible in lexical block BLOCK. */
-
-struct type *
-lookup_struct (name, block)
- char *name;
- struct block *block;
-{
- register struct symbol *sym
- = lookup_symbol (name, block, STRUCT_NAMESPACE, 0, (struct symtab **)NULL);
-
- if (sym == 0)
- error ("No struct type named %s.", name);
- if (TYPE_CODE (SYMBOL_TYPE (sym)) != TYPE_CODE_STRUCT)
- error ("This context has class, union or enum %s, not a struct.", name);
- return SYMBOL_TYPE (sym);
-}
-
-/* Lookup a union type named "union NAME",
- visible in lexical block BLOCK. */
-
-struct type *
-lookup_union (name, block)
- char *name;
- struct block *block;
-{
- register struct symbol *sym
- = lookup_symbol (name, block, STRUCT_NAMESPACE, 0, (struct symtab **)NULL);
-
- if (sym == 0)
- error ("No union type named %s.", name);
- if (TYPE_CODE (SYMBOL_TYPE (sym)) != TYPE_CODE_UNION)
- error ("This context has class, struct or enum %s, not a union.", name);
- return SYMBOL_TYPE (sym);
-}
-
-/* Lookup an enum type named "enum NAME",
- visible in lexical block BLOCK. */
-
-struct type *
-lookup_enum (name, block)
- char *name;
- struct block *block;
-{
- register struct symbol *sym
- = lookup_symbol (name, block, STRUCT_NAMESPACE, 0, (struct symtab **)NULL);
- if (sym == 0)
- error ("No enum type named %s.", name);
- if (TYPE_CODE (SYMBOL_TYPE (sym)) != TYPE_CODE_ENUM)
- error ("This context has class, struct or union %s, not an enum.", name);
- return SYMBOL_TYPE (sym);
-}
-/* Given a type TYPE, lookup the type of the component of type named
- NAME. */
+ sprintf (buf, "__%s%s%d", const_prefix, volatile_prefix, len);
+ mangled_name_len = ((is_constructor ? 0 : strlen (field_name))
+ + strlen (buf) + len
+ + strlen (physname)
+ + 1);
-struct type *
-lookup_struct_elt_type (type, name)
- struct type *type;
- char *name;
-{
- int i;
-
- if (TYPE_CODE (type) != TYPE_CODE_STRUCT
- && TYPE_CODE (type) != TYPE_CODE_UNION)
+ /* Only needed for GNU-mangled names. ANSI-mangled names
+ work with the normal mechanisms. */
+ if (OPNAME_PREFIX_P (field_name))
{
- target_terminal_ours ();
- fflush (stdout);
- fprintf (stderr, "Type ");
- type_print (type, "", stderr, -1);
- error (" is not a structure or union type.");
+ char *opname = cplus_mangle_opname (field_name + 3, 0);
+ if (opname == NULL)
+ error ("No mangling for \"%s\"", field_name);
+ mangled_name_len += strlen (opname);
+ mangled_name = (char *)xmalloc (mangled_name_len);
+
+ strncpy (mangled_name, field_name, 3);
+ mangled_name[3] = '\0';
+ strcat (mangled_name, opname);
}
-
- for (i = TYPE_NFIELDS (type) - 1; i >= TYPE_N_BASECLASSES (type); i--)
- if (!strcmp (TYPE_FIELD_NAME (type, i), name))
- return TYPE_FIELD_TYPE (type, i);
-
- target_terminal_ours ();
- fflush (stdout);
- fprintf (stderr, "Type ");
- type_print (type, "", stderr, -1);
- fprintf (stderr, " has no component named ");
- fputs_filtered (name, stderr);
- error (".");
- return (struct type *)-1; /* For lint */
-}
-
-/* Given a type TYPE, return a type of pointers to that type.
- May need to construct such a type if this is the first use.
-
- C++: use TYPE_MAIN_VARIANT and TYPE_CHAIN to keep pointer
- to member types under control. */
-
-struct type *
-lookup_pointer_type (type)
- struct type *type;
-{
- register struct type *ptype = TYPE_POINTER_TYPE (type);
- if (ptype) return TYPE_MAIN_VARIANT (ptype);
-
- /* This is the first time anyone wanted a pointer to a TYPE. */
- if (TYPE_FLAGS (type) & TYPE_FLAG_PERM)
- ptype = (struct type *) xmalloc (sizeof (struct type));
- else
- ptype = (struct type *) obstack_alloc (symbol_obstack,
- sizeof (struct type));
-
- bzero (ptype, sizeof (struct type));
- TYPE_MAIN_VARIANT (ptype) = ptype;
- TYPE_TARGET_TYPE (ptype) = type;
- TYPE_POINTER_TYPE (type) = ptype;
- /* New type is permanent if type pointed to is permanent. */
- if (TYPE_FLAGS (type) & TYPE_FLAG_PERM)
- TYPE_FLAGS (ptype) |= TYPE_FLAG_PERM;
- /* We assume the machine has only one representation for pointers! */
- TYPE_LENGTH (ptype) = sizeof (char *);
- TYPE_CODE (ptype) = TYPE_CODE_PTR;
- return ptype;
-}
-
-struct type *
-lookup_reference_type (type)
- struct type *type;
-{
- register struct type *rtype = TYPE_REFERENCE_TYPE (type);
- if (rtype) return TYPE_MAIN_VARIANT (rtype);
-
- /* This is the first time anyone wanted a pointer to a TYPE. */
- if (TYPE_FLAGS (type) & TYPE_FLAG_PERM)
- rtype = (struct type *) xmalloc (sizeof (struct type));
else
- rtype = (struct type *) obstack_alloc (symbol_obstack,
- sizeof (struct type));
-
- bzero (rtype, sizeof (struct type));
- TYPE_MAIN_VARIANT (rtype) = rtype;
- TYPE_TARGET_TYPE (rtype) = type;
- TYPE_REFERENCE_TYPE (type) = rtype;
- /* New type is permanent if type pointed to is permanent. */
- if (TYPE_FLAGS (type) & TYPE_FLAG_PERM)
- TYPE_FLAGS (rtype) |= TYPE_FLAG_PERM;
- /* We assume the machine has only one representation for pointers! */
- TYPE_LENGTH (rtype) = sizeof (char *);
- TYPE_CODE (rtype) = TYPE_CODE_REF;
- return rtype;
-}
-
-
-/* Implement direct support for MEMBER_TYPE in GNU C++.
- May need to construct such a type if this is the first use.
- The TYPE is the type of the member. The DOMAIN is the type
- of the aggregate that the member belongs to. */
-
-struct type *
-lookup_member_type (type, domain)
- struct type *type, *domain;
-{
- register struct type *mtype = TYPE_MAIN_VARIANT (type);
- struct type *main_type;
-
- main_type = mtype;
- while (mtype)
{
- if (TYPE_DOMAIN_TYPE (mtype) == domain)
- return mtype;
- mtype = TYPE_NEXT_VARIANT (mtype);
+ mangled_name = (char *)xmalloc (mangled_name_len);
+ if (is_constructor)
+ mangled_name[0] = '\0';
+ else
+ strcpy (mangled_name, field_name);
}
+ strcat (mangled_name, buf);
+ strcat (mangled_name, newname);
+#else
+ char *opname;
- /* This is the first time anyone wanted this member type. */
- if (TYPE_FLAGS (type) & TYPE_FLAG_PERM)
- mtype = (struct type *) xmalloc (sizeof (struct type));
- else
- mtype = (struct type *) obstack_alloc (symbol_obstack,
- sizeof (struct type));
-
- bzero (mtype, sizeof (struct type));
- if (main_type == 0)
- main_type = mtype;
- else
+ if (is_constructor)
{
- TYPE_NEXT_VARIANT (mtype) = TYPE_NEXT_VARIANT (main_type);
- TYPE_NEXT_VARIANT (main_type) = mtype;
+ buf[0] = '\0';
}
- TYPE_MAIN_VARIANT (mtype) = main_type;
- TYPE_TARGET_TYPE (mtype) = type;
- TYPE_DOMAIN_TYPE (mtype) = domain;
- /* New type is permanent if type pointed to is permanent. */
- if (TYPE_FLAGS (type) & TYPE_FLAG_PERM)
- TYPE_FLAGS (mtype) |= TYPE_FLAG_PERM;
-
- /* In practice, this is never used. */
- TYPE_LENGTH (mtype) = 1;
- TYPE_CODE (mtype) = TYPE_CODE_MEMBER;
-
-#if 0
- /* Now splice in the new member pointer type. */
- if (main_type)
+ else
{
- /* This type was not "smashed". */
- TYPE_CHAIN (mtype) = TYPE_CHAIN (main_type);
- TYPE_CHAIN (main_type) = mtype;
+ sprintf (buf, "__%s%s", const_prefix, volatile_prefix);
}
-#endif
- return mtype;
-}
-
-struct type *
-lookup_method_type (type, domain, args)
- struct type *type, *domain, **args;
-{
- register struct type *mtype = TYPE_MAIN_VARIANT (type);
- struct type *main_type;
+ mangled_name_len = ((is_constructor ? 0 : strlen (field_name))
+ + strlen (buf) + strlen (physname) + 1);
- main_type = mtype;
- while (mtype)
+ /* Only needed for GNU-mangled names. ANSI-mangled names
+ work with the normal mechanisms. */
+ if (OPNAME_PREFIX_P (field_name))
{
- if (TYPE_DOMAIN_TYPE (mtype) == domain)
+ opname = cplus_mangle_opname (field_name + 3, 0);
+ if (opname == NULL)
{
- struct type **t1 = args;
- struct type **t2 = TYPE_ARG_TYPES (mtype);
- if (t2)
- {
- int i;
- for (i = 0; t1[i] != 0 && t1[i]->code != TYPE_CODE_VOID; i++)
- if (t1[i] != t2[i])
- break;
- if (t1[i] == t2[i])
- return mtype;
- }
+ error ("No mangling for \"%s\"", field_name);
}
- mtype = TYPE_NEXT_VARIANT (mtype);
- }
+ mangled_name_len += strlen (opname);
+ mangled_name = (char *) xmalloc (mangled_name_len);
- /* This is the first time anyone wanted this member type. */
- if (TYPE_FLAGS (type) & TYPE_FLAG_PERM)
- mtype = (struct type *) xmalloc (sizeof (struct type));
- else
- mtype = (struct type *) obstack_alloc (symbol_obstack,
- sizeof (struct type));
-
- bzero (mtype, sizeof (struct type));
- if (main_type == 0)
- main_type = mtype;
- else
- {
- TYPE_NEXT_VARIANT (mtype) = TYPE_NEXT_VARIANT (main_type);
- TYPE_NEXT_VARIANT (main_type) = mtype;
- }
- TYPE_MAIN_VARIANT (mtype) = main_type;
- TYPE_TARGET_TYPE (mtype) = type;
- TYPE_DOMAIN_TYPE (mtype) = domain;
- TYPE_ARG_TYPES (mtype) = args;
- /* New type is permanent if type pointed to is permanent. */
- if (TYPE_FLAGS (type) & TYPE_FLAG_PERM)
- TYPE_FLAGS (mtype) |= TYPE_FLAG_PERM;
-
- /* In practice, this is never used. */
- TYPE_LENGTH (mtype) = 1;
- TYPE_CODE (mtype) = TYPE_CODE_METHOD;
-
-#if 0
- /* Now splice in the new member pointer type. */
- if (main_type)
- {
- /* This type was not "smashed". */
- TYPE_CHAIN (mtype) = TYPE_CHAIN (main_type);
- TYPE_CHAIN (main_type) = mtype;
- }
-#endif
-
- return mtype;
-}
-
-#if 0
-/* Given a type TYPE, return a type which has offset OFFSET,
- via_virtual VIA_VIRTUAL, and via_public VIA_PUBLIC.
- May need to construct such a type if none exists. */
-struct type *
-lookup_basetype_type (type, offset, via_virtual, via_public)
- struct type *type;
- int offset;
- int via_virtual, via_public;
-{
- register struct type *btype = TYPE_MAIN_VARIANT (type);
- struct type *main_type;
-
- if (offset != 0)
- {
- printf ("Internal error: type offset non-zero in lookup_basetype_type");
- offset = 0;
- }
-
- main_type = btype;
- while (btype)
- {
- if (/* TYPE_OFFSET (btype) == offset
- && */ TYPE_VIA_PUBLIC (btype) == via_public
- && TYPE_VIA_VIRTUAL (btype) == via_virtual)
- return btype;
- btype = TYPE_NEXT_VARIANT (btype);
+ strncpy (mangled_name, field_name, 3);
+ strcpy (mangled_name + 3, opname);
}
-
- /* This is the first time anyone wanted this member type. */
- if (TYPE_FLAGS (type) & TYPE_FLAG_PERM)
- btype = (struct type *) xmalloc (sizeof (struct type));
else
- btype = (struct type *) obstack_alloc (symbol_obstack,
- sizeof (struct type));
-
- if (main_type == 0)
{
- main_type = btype;
- bzero (btype, sizeof (struct type));
- TYPE_MAIN_VARIANT (btype) = main_type;
- }
- else
- {
- bcopy (main_type, btype, sizeof (struct type));
- TYPE_NEXT_VARIANT (main_type) = btype;
+ mangled_name = (char *) xmalloc (mangled_name_len);
+ if (is_constructor)
+ {
+ mangled_name[0] = '\0';
+ }
+ else
+ {
+ strcpy (mangled_name, field_name);
+ }
}
-/* TYPE_OFFSET (btype) = offset; */
- if (via_public)
- TYPE_FLAGS (btype) |= TYPE_FLAG_VIA_PUBLIC;
- if (via_virtual)
- TYPE_FLAGS (btype) |= TYPE_FLAG_VIA_VIRTUAL;
- /* New type is permanent if type pointed to is permanent. */
- if (TYPE_FLAGS (type) & TYPE_FLAG_PERM)
- TYPE_FLAGS (btype) |= TYPE_FLAG_PERM;
-
- /* In practice, this is never used. */
- TYPE_LENGTH (btype) = 1;
- TYPE_CODE (btype) = TYPE_CODE_STRUCT;
+ strcat (mangled_name, buf);
- return btype;
-}
#endif
-
-/* Given a type TYPE, return a type of functions that return that type.
- May need to construct such a type if this is the first use. */
-
-struct type *
-lookup_function_type (type)
- struct type *type;
-{
- register struct type *ptype = TYPE_FUNCTION_TYPE (type);
- if (ptype) return ptype;
-
- /* This is the first time anyone wanted a function returning a TYPE. */
- if (TYPE_FLAGS (type) & TYPE_FLAG_PERM)
- ptype = (struct type *) xmalloc (sizeof (struct type));
- else
- ptype = (struct type *) obstack_alloc (symbol_obstack,
- sizeof (struct type));
-
- bzero (ptype, sizeof (struct type));
- TYPE_TARGET_TYPE (ptype) = type;
- TYPE_FUNCTION_TYPE (type) = ptype;
- /* New type is permanent if type returned is permanent. */
- if (TYPE_FLAGS (type) & TYPE_FLAG_PERM)
- TYPE_FLAGS (ptype) |= TYPE_FLAG_PERM;
- TYPE_LENGTH (ptype) = 1;
- TYPE_CODE (ptype) = TYPE_CODE_FUNC;
- TYPE_NFIELDS (ptype) = 0;
- return ptype;
-}
-\f
-/* Create an array type. Elements will be of type TYPE, and there will
- be NUM of them.
-
- Eventually this should be extended to take two more arguments which
- specify the bounds of the array and the type of the index.
- It should also be changed to be a "lookup" function, with the
- appropriate data structures added to the type field.
- Then read array type should call here. */
-
-struct type *
-create_array_type (element_type, number)
- struct type *element_type;
- int number;
-{
- struct type *result_type = (struct type *)
- obstack_alloc (symbol_obstack, sizeof (struct type));
-
- bzero (result_type, sizeof (struct type));
-
- TYPE_CODE (result_type) = TYPE_CODE_ARRAY;
- TYPE_TARGET_TYPE (result_type) = element_type;
- TYPE_LENGTH (result_type) = number * TYPE_LENGTH (element_type);
- TYPE_NFIELDS (result_type) = 1;
- TYPE_FIELDS (result_type) =
- (struct field *) obstack_alloc (symbol_obstack, sizeof (struct field));
- TYPE_FIELD_TYPE (result_type, 0) = builtin_type_int;
- TYPE_VPTR_FIELDNO (result_type) = -1;
-
- return result_type;
-}
-
-\f
-/* Smash TYPE to be a type of members of DOMAIN with type TO_TYPE. */
-
-void
-smash_to_member_type (type, domain, to_type)
- struct type *type, *domain, *to_type;
-{
- bzero (type, sizeof (struct type));
- TYPE_TARGET_TYPE (type) = to_type;
- TYPE_DOMAIN_TYPE (type) = domain;
-
- /* In practice, this is never needed. */
- TYPE_LENGTH (type) = 1;
- TYPE_CODE (type) = TYPE_CODE_MEMBER;
-
- TYPE_MAIN_VARIANT (type) = lookup_member_type (domain, to_type);
+ strcat (mangled_name, physname);
+ return (mangled_name);
}
-/* Smash TYPE to be a type of method of DOMAIN with type TO_TYPE. */
-
-void
-smash_to_method_type (type, domain, to_type, args)
- struct type *type, *domain, *to_type, **args;
-{
- bzero (type, sizeof (struct type));
- TYPE_TARGET_TYPE (type) = to_type;
- TYPE_DOMAIN_TYPE (type) = domain;
- TYPE_ARG_TYPES (type) = args;
-
- /* In practice, this is never needed. */
- TYPE_LENGTH (type) = 1;
- TYPE_CODE (type) = TYPE_CODE_METHOD;
-
- TYPE_MAIN_VARIANT (type) = lookup_method_type (domain, to_type, args);
-}
\f
-/* Find which partial symtab on the partial_symtab_list contains
- PC. Return 0 if none. */
+/* Find which partial symtab on contains PC. Return 0 if none. */
struct partial_symtab *
find_pc_psymtab (pc)
register CORE_ADDR pc;
{
- register struct partial_symtab *ps;
-
- for (ps = partial_symtab_list; ps; ps = ps->next)
- if (pc >= ps->textlow && pc < ps->texthigh)
- return ps;
+ register struct partial_symtab *pst;
+ register struct objfile *objfile;
- return 0;
+ ALL_PSYMTABS (objfile, pst)
+ {
+ if (pc >= pst -> textlow && pc < pst -> texthigh)
+ {
+ return (pst);
+ }
+ }
+ return (NULL);
}
/* Find which partial symbol within a psymtab contains PC. Return 0
best_pc = psymtab->textlow - 1;
- for (p = static_psymbols.list + psymtab->statics_offset;
- (p - (static_psymbols.list + psymtab->statics_offset)
+ for (p = psymtab->objfile->static_psymbols.list + psymtab->statics_offset;
+ (p - (psymtab->objfile->static_psymbols.list + psymtab->statics_offset)
< psymtab->n_static_syms);
p++)
if (SYMBOL_NAMESPACE (p) == VAR_NAMESPACE
struct symbol *
lookup_symbol (name, block, namespace, is_a_field_of_this, symtab)
- char *name;
- register struct block *block;
- enum namespace namespace;
+ const char *name;
+ register const struct block *block;
+ const enum namespace namespace;
int *is_a_field_of_this;
struct symtab **symtab;
{
register struct symtab *s;
register struct partial_symtab *ps;
struct blockvector *bv;
+ register struct objfile *objfile;
+ register struct block *b;
+ register struct minimal_symbol *msymbol;
+ char *temp;
+ extern char *gdb_completer_word_break_characters;
+
+ /* If NAME contains any characters from gdb_completer_word_break_characters
+ then it is probably from a quoted name string. So check to see if it
+ has a C++ mangled equivalent, and if so, use the mangled equivalent. */
+
+ if (strpbrk (name, gdb_completer_word_break_characters) != NULL)
+ {
+ if ((temp = expensive_mangler (name)) != NULL)
+ {
+ name = temp;
+ }
+ }
/* Search specified block and its superiors. */
{
/* Search the list of symtabs for one which contains the
address of the start of this block. */
- struct block *b;
- for (s = symtab_list; s; s = s->next)
+ ALL_SYMTABS (objfile, s)
{
bv = BLOCKVECTOR (s);
- b = BLOCKVECTOR_BLOCK (bv, 0);
+ b = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK);
if (BLOCK_START (b) <= BLOCK_START (block)
&& BLOCK_END (b) > BLOCK_START (block))
- break;
+ goto found;
}
+found:
*symtab = s;
}
- return sym;
+ return (sym);
}
block = BLOCK_SUPERBLOCK (block);
}
+ /* But that doesn't do any demangling for the STATIC_BLOCK.
+ I'm not sure whether demangling is needed in the case of
+ nested function in inner blocks; if so this needs to be changed.
+
+ Don't need to mess with the psymtabs; if we have a block,
+ that file is read in. If we don't, then we deal later with
+ all the psymtab stuff that needs checking. */
+ if (namespace == VAR_NAMESPACE && block != NULL)
+ {
+ struct block *b;
+ /* Find the right symtab. */
+ ALL_SYMTABS (objfile, s)
+ {
+ bv = BLOCKVECTOR (s);
+ b = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK);
+ if (BLOCK_START (b) <= BLOCK_START (block)
+ && BLOCK_END (b) > BLOCK_START (block))
+ {
+ sym = lookup_demangled_block_symbol (b, name);
+ if (sym)
+ {
+ block_found = b;
+ if (symtab != NULL)
+ *symtab = s;
+ return sym;
+ }
+ }
+ }
+ }
+
+
/* C++: If requested to do so by the caller,
check to see if NAME is a field of `this'. */
if (is_a_field_of_this)
/* Now search all global blocks. Do the symtab's first, then
check the psymtab's */
-
- for (s = symtab_list; s; s = s->next)
+
+ ALL_SYMTABS (objfile, s)
{
bv = BLOCKVECTOR (s);
- block = BLOCKVECTOR_BLOCK (bv, 0);
+ block = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK);
sym = lookup_block_symbol (block, name, namespace);
if (sym)
{
}
/* Check for the possibility of the symbol being a global function
- that is stored on the misc function vector. Eventually, all
+ that is stored in one of the minimal symbol tables. Eventually, all
global symbols might be resolved in this way. */
if (namespace == VAR_NAMESPACE)
{
- int ind = lookup_misc_func (name);
+ msymbol = lookup_minimal_symbol (name, (struct objfile *) NULL);
- /* Look for a mangled C++ name for NAME. */
- if (ind == -1)
+ if (msymbol == NULL)
{
- int name_len = strlen (name);
+ /* Test each minimal symbol to see if the minimal symbol's name
+ is a C++ mangled name that matches a user visible name. */
- for (ind = misc_function_count; --ind >= 0; )
- /* Assume orginal name is prefix of mangled name. */
- if (!strncmp (misc_function_vector[ind].name, name, name_len))
+ char *demangled;
+
+ ALL_MSYMBOLS (objfile, msymbol)
+ {
+ demangled = demangle_and_match (msymbol -> name, name,
+ DMGL_PARAMS | DMGL_ANSI);
+ if (demangled != NULL)
{
- char *demangled =
- cplus_demangle(misc_function_vector[ind].name, -1);
- if (demangled != NULL)
- {
- int cond = strcmp (demangled, name);
- free (demangled);
- if (!cond)
- break;
- }
- }
- /* Loop terminates on no match with ind == -1. */
+ free (demangled);
+ goto found_msym;
+ }
+ }
+ msymbol = NULL; /* Not found */
}
- if (ind != -1)
+found_msym:
+ if (msymbol != NULL)
{
- s = find_pc_symtab (misc_function_vector[ind].address);
- if (s)
+ s = find_pc_symtab (msymbol -> address);
+ /* If S is NULL, there are no debug symbols for this file.
+ Skip this stuff and check for matching static symbols below. */
+ if (s != NULL)
{
bv = BLOCKVECTOR (s);
- block = BLOCKVECTOR_BLOCK (bv, 0);
- sym = lookup_block_symbol (block, misc_function_vector[ind].name,
- namespace);
- /* sym == 0 if symbol was found in the misc_function_vector
+ block = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK);
+ sym = lookup_block_symbol (block, msymbol -> name, namespace);
+ /* We kept static functions in minimal symbol table as well as
+ in static scope. We want to find them in the symbol table. */
+ if (!sym) {
+ block = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK);
+ sym = lookup_block_symbol (block, msymbol -> name,
+ namespace);
+ }
+
+ /* sym == 0 if symbol was found in the minimal symbol table
but not in the symtab.
- Return 0 to use the misc_function definition of "foo_".
+ Return 0 to use the msymbol definition of "foo_".
This happens for Fortran "foo_" symbols,
which are "foo" in the symtab.
}
}
- for (ps = partial_symtab_list; ps; ps = ps->next)
- if (!ps->readin && lookup_partial_symbol (ps, name, 1, namespace))
- {
- s = PSYMTAB_TO_SYMTAB(ps);
- bv = BLOCKVECTOR (s);
- block = BLOCKVECTOR_BLOCK (bv, 0);
- sym = lookup_block_symbol (block, name, namespace);
- if (!sym)
- fatal ("Internal: global symbol found in psymtab but not in symtab");
- if (symtab != NULL)
- *symtab = s;
- return sym;
- }
+ ALL_PSYMTABS (objfile, ps)
+ {
+ if (!ps->readin && lookup_partial_symbol (ps, name, 1, namespace))
+ {
+ s = PSYMTAB_TO_SYMTAB(ps);
+ bv = BLOCKVECTOR (s);
+ block = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK);
+ sym = lookup_block_symbol (block, name, namespace);
+ if (!sym)
+ error ("Internal: global symbol `%s' found in %s psymtab but not in symtab", name, ps->filename);
+ if (symtab != NULL)
+ *symtab = s;
+ return sym;
+ }
+ }
/* Now search all per-file blocks.
Not strictly correct, but more useful than an error.
Do the symtabs first, then check the psymtabs */
- for (s = symtab_list; s; s = s->next)
+ ALL_SYMTABS (objfile, s)
{
bv = BLOCKVECTOR (s);
- block = BLOCKVECTOR_BLOCK (bv, 1);
+ block = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK);
sym = lookup_block_symbol (block, name, namespace);
if (sym)
{
}
}
- for (ps = partial_symtab_list; ps; ps = ps->next)
- if (!ps->readin && lookup_partial_symbol (ps, name, 0, namespace))
- {
- s = PSYMTAB_TO_SYMTAB(ps);
- bv = BLOCKVECTOR (s);
- block = BLOCKVECTOR_BLOCK (bv, 1);
- sym = lookup_block_symbol (block, name, namespace);
- if (!sym)
- fatal ("Internal: static symbol found in psymtab but not in symtab");
- if (symtab != NULL)
- *symtab = s;
- return sym;
- }
+ ALL_PSYMTABS (objfile, ps)
+ {
+ if (!ps->readin && lookup_partial_symbol (ps, name, 0, namespace))
+ {
+ s = PSYMTAB_TO_SYMTAB(ps);
+ bv = BLOCKVECTOR (s);
+ block = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK);
+ sym = lookup_block_symbol (block, name, namespace);
+ if (!sym)
+ error ("Internal: static symbol `%s' found in %s psymtab but not in symtab", name, ps->filename);
+ if (symtab != NULL)
+ *symtab = s;
+ return sym;
+ }
+ }
+
+ /* Now search all per-file blocks for static mangled symbols.
+ Do the symtabs first, then check the psymtabs. */
+
+ if (namespace == VAR_NAMESPACE)
+ {
+ ALL_SYMTABS (objfile, s)
+ {
+ bv = BLOCKVECTOR (s);
+ block = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK);
+ sym = lookup_demangled_block_symbol (block, name);
+ if (sym)
+ {
+ block_found = block;
+ if (symtab != NULL)
+ *symtab = s;
+ return sym;
+ }
+ }
+
+ ALL_PSYMTABS (objfile, ps)
+ {
+ if (!ps->readin && lookup_demangled_partial_symbol (ps, name))
+ {
+ s = PSYMTAB_TO_SYMTAB(ps);
+ bv = BLOCKVECTOR (s);
+ block = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK);
+ sym = lookup_demangled_block_symbol (block, name);
+ if (!sym)
+ error ("Internal: mangled static symbol `%s' found in %s psymtab but not in symtab", name, ps->filename);
+ if (symtab != NULL)
+ *symtab = s;
+ return sym;
+ }
+ }
+ }
if (symtab != NULL)
*symtab = NULL;
return 0;
}
+/* Look for a static demangled symbol in block BLOCK. */
+
+static struct symbol *
+lookup_demangled_block_symbol (block, name)
+ register const struct block *block;
+ const char *name;
+{
+ register int bot, top;
+ register struct symbol *sym;
+ char *demangled;
+
+ bot = 0;
+ top = BLOCK_NSYMS (block);
+
+ while (bot < top)
+ {
+ sym = BLOCK_SYM (block, bot);
+ if (SYMBOL_NAMESPACE (sym) == VAR_NAMESPACE)
+ {
+ demangled = demangle_and_match (SYMBOL_NAME (sym), name,
+ DMGL_PARAMS | DMGL_ANSI);
+ if (demangled != NULL)
+ {
+ free (demangled);
+ return (sym);
+ }
+ }
+ bot++;
+ }
+
+ return (NULL);
+}
+
+/* Look, in partial_symtab PST, for static mangled symbol NAME. */
+
+static struct partial_symbol *
+lookup_demangled_partial_symbol (pst, name)
+ const struct partial_symtab *pst;
+ const char *name;
+{
+ struct partial_symbol *start, *psym;
+ int length = pst->n_static_syms;
+ char *demangled;
+
+ if (!length)
+ return (struct partial_symbol *) 0;
+
+ start = pst->objfile->static_psymbols.list + pst->statics_offset;
+ for (psym = start; psym < start + length; psym++)
+ {
+ if (SYMBOL_NAMESPACE (psym) == VAR_NAMESPACE)
+ {
+ demangled = demangle_and_match (SYMBOL_NAME (psym), name,
+ DMGL_PARAMS | DMGL_ANSI);
+ if (demangled != NULL)
+ {
+ free (demangled);
+ return (psym);
+ }
+ }
+ }
+
+ return (NULL);
+}
+
/* Look, in partial_symtab PST, for symbol NAME. Check the global
symbols if GLOBAL, the static symbols if not */
static struct partial_symbol *
lookup_partial_symbol (pst, name, global, namespace)
struct partial_symtab *pst;
- char *name;
+ const char *name;
int global;
enum namespace namespace;
{
return (struct partial_symbol *) 0;
start = (global ?
- global_psymbols.list + pst->globals_offset :
- static_psymbols.list + pst->statics_offset );
+ pst->objfile->global_psymbols.list + pst->globals_offset :
+ pst->objfile->static_psymbols.list + pst->statics_offset );
if (global) /* This means we can use a binary */
/* search. */
return (struct partial_symbol *) 0;
}
+/* Find the psymtab containing main(). */
+
+struct partial_symtab *
+find_main_psymtab ()
+{
+ register struct partial_symtab *pst;
+ register struct objfile *objfile;
+
+ ALL_PSYMTABS (objfile, pst)
+ {
+ if (lookup_partial_symbol (pst, "main", 1, VAR_NAMESPACE))
+ {
+ return (pst);
+ }
+ }
+ return (NULL);
+}
+
/* Look for a symbol in block BLOCK. */
struct symbol *
lookup_block_symbol (block, name, namespace)
- register struct block *block;
- char *name;
- enum namespace namespace;
+ register const struct block *block;
+ const char *name;
+ const enum namespace namespace;
{
register int bot, top, inc;
register struct symbol *sym, *parameter_sym;
{
register struct block *b;
struct blockvector *bv;
- register struct symtab *s;
+ register struct symtab *s = 0;
register struct partial_symtab *ps;
+ register struct objfile *objfile;
/* Search all symtabs for one whose file contains our pc */
- for (s = symtab_list; s; s = s->next)
+ ALL_SYMTABS (objfile, s)
{
bv = BLOCKVECTOR (s);
- b = BLOCKVECTOR_BLOCK (bv, 0);
+ b = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK);
if (BLOCK_START (b) <= pc
&& BLOCK_END (b) > pc)
- break;
+ goto found;
}
if (!s)
{
ps = find_pc_psymtab (pc);
if (ps && ps->readin)
- fatal ("Internal error: pc in read in psymtab, but not in symtab.");
-
+ {
+ printf_filtered ("(Internal error: pc 0x%x in read in psymtab, but not in symtab.)\n", pc);
+ }
if (ps)
- s = PSYMTAB_TO_SYMTAB (ps);
+ {
+ s = PSYMTAB_TO_SYMTAB (ps);
+ }
}
- return s;
+found:
+ return (s);
}
/* Find the source file and line number for a given PC value.
{
/* Find the best line in this symtab. */
l = LINETABLE (s);
+ if (!l)
+ continue;
len = l->nitems;
prev_line = -1;
first_line = -1;
best_pc = prev_pc;
best_line = prev_line;
best_symtab = s;
- if (i < len)
+ /* If another line is in the linetable, and its PC is closer
+ than the best_end we currently have, take it as best_end. */
+ if (i < len && (best_end == 0 || best_end > item->pc))
best_end = item->pc;
- else
- best_end = 0;
}
/* Is this file's first line closer than the first lines of other files?
If so, record this file, and its first line, as best alternate. */
{
val.symtab = alt_symtab;
val.line = alt_line - 1;
- val.pc = BLOCK_END (BLOCKVECTOR_BLOCK (bv, 0));
+ val.pc = BLOCK_END (BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK));
val.end = alt_pc;
}
else
val.symtab = best_symtab;
val.line = best_line;
val.pc = best_pc;
- val.end = (best_end ? best_end
- : (alt_pc ? alt_pc
- : BLOCK_END (BLOCKVECTOR_BLOCK (bv, 0))));
+ if (best_end && (alt_pc == 0 || best_end < alt_pc))
+ val.end = best_end;
+ else if (alt_pc)
+ val.end = alt_pc;
+ else
+ val.end = BLOCK_END (BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK));
}
return val;
}
return 0;
l = LINETABLE (symtab);
ind = find_line_common(l, line, &dummy);
- return ind ? l->item[ind].pc : 0;
+ return (ind >= 0) ? l->item[ind].pc : 0;
}
/* Find the range of pc values in a line.
l = LINETABLE (symtab);
ind = find_line_common (l, thisline, &exact_match);
- if (ind)
+ if (ind >= 0)
{
*startptr = l->item[ind].pc;
/* If we have not seen an entry for the specified line,
/* Given a line table and a line number, return the index into the line
table for the pc of the nearest line whose number is >= the specified one.
- Return 0 if none is found. The value is never zero is it is an index.
+ Return -1 if none is found. The value is >= 0 if it is an index.
Set *EXACT_MATCH nonzero if the value returned is an exact match. */
or 0 if none has been seen so far.
BEST_INDEX identifies the item for it. */
- int best_index = 0;
+ int best_index = -1;
int best = 0;
if (lineno <= 0)
- return 0;
+ return -1;
+ if (l == 0)
+ return -1;
len = l->nitems;
for (i = 0; i < len; i++)
return sal.symtab != 0;
}
\f
+/* If P is of the form "operator[ \t]+..." where `...' is
+ some legitimate operator text, return a pointer to the
+ beginning of the substring of the operator text.
+ Otherwise, return "". */
+static char *
+operator_chars (p, end)
+ char *p;
+ char **end;
+{
+ *end = "";
+ if (strncmp (p, "operator", 8))
+ return *end;
+ p += 8;
+
+ /* Don't get faked out by `operator' being part of a longer
+ identifier. */
+ if (isalpha(*p) || *p == '_' || *p == '$' || *p == '\0')
+ return *end;
+
+ /* Allow some whitespace between `operator' and the operator symbol. */
+ while (*p == ' ' || *p == '\t')
+ p++;
+
+ /* Recognize 'operator TYPENAME'. */
+
+ if (isalpha(*p) || *p == '_' || *p == '$')
+ {
+ register char *q = p+1;
+ while (isalnum(*q) || *q == '_' || *q == '$')
+ q++;
+ *end = q;
+ return p;
+ }
+
+ switch (*p)
+ {
+ case '!':
+ case '=':
+ case '*':
+ case '/':
+ case '%':
+ case '^':
+ if (p[1] == '=')
+ *end = p+2;
+ else
+ *end = p+1;
+ return p;
+ case '<':
+ case '>':
+ case '+':
+ case '-':
+ case '&':
+ case '|':
+ if (p[1] == '=' || p[1] == p[0])
+ *end = p+2;
+ else
+ *end = p+1;
+ return p;
+ case '~':
+ case ',':
+ *end = p+1;
+ return p;
+ case '(':
+ if (p[1] != ')')
+ error ("`operator ()' must be specified without whitespace in `()'");
+ *end = p+2;
+ return p;
+ case '?':
+ if (p[1] != ':')
+ error ("`operator ?:' must be specified without whitespace in `?:'");
+ *end = p+2;
+ return p;
+ case '[':
+ if (p[1] != ']')
+ error ("`operator []' must be specified without whitespace in `[]'");
+ *end = p+2;
+ return p;
+ default:
+ error ("`operator %s' not supported", p);
+ break;
+ }
+ *end = "";
+ return *end;
+}
+
/* Recursive helper function for decode_line_1.
* Look for methods named NAME in type T.
* Return number of matches.
*/
int
-find_methods(t, name, physnames, sym_arr)
+find_methods (t, name, physnames, sym_arr)
struct type *t;
char *name;
char **physnames;
--field_counter)
{
char *phys_name;
- if (TYPE_FLAGS (TYPE_FN_FIELD_TYPE (f, field_counter)) & TYPE_FLAG_STUB)
+ if (TYPE_FN_FIELD_STUB (f, field_counter))
check_stub_method (t, method_counter, field_counter);
phys_name = TYPE_FN_FIELD_PHYSNAME (f, field_counter);
physnames[i1] = (char*) alloca (strlen (phys_name) + 1);
(int *) NULL,
(struct symtab **) NULL);
if (sym_arr[i1]) i1++;
+ else
+ {
+ fputs_filtered("(Cannot find method ", stdout);
+ fputs_demangled(phys_name, stdout, DMGL_PARAMS);
+ fputs_filtered(" - possibly inlined.)\n", stdout);
+ }
}
}
}
FILE:FUNCTION -- likewise, but prefer functions in that file.
*EXPR -- line in which address EXPR appears.
- FUNCTION may be an undebuggable function found in misc_function_vector.
+ FUNCTION may be an undebuggable function found in minimal symbol table.
If the argument FUNFIRSTLINE is nonzero, we want the first line
of real code inside a function when a function is specified.
struct symtab *default_symtab;
int default_line;
{
- struct symtabs_and_lines decode_line_2 ();
struct symtabs_and_lines values;
struct symtab_and_line val;
register char *p, *p1;
+ char *q, *q1;
register struct symtab *s;
register struct symbol *sym;
struct symtab *sym_symtab;
register CORE_ADDR pc;
- register int i;
+ register struct minimal_symbol *msymbol;
char *copy;
struct symbol *sym_class;
int i1;
+ int is_quoted;
struct symbol **sym_arr;
struct type *t;
char **physnames;
+ char *saved_arg = *argptr;
+ extern char *gdb_completer_quote_characters;
/* Defaults have defaults. */
if (**argptr == '*')
{
- (*argptr)++;
+ if (**argptr == '*')
+ {
+ (*argptr)++;
+ }
pc = parse_and_eval_address_1 (argptr);
values.sals = (struct symtab_and_line *)
xmalloc (sizeof (struct symtab_and_line));
/* Maybe arg is FILE : LINENUM or FILE : FUNCTION */
- s = 0;
+ s = NULL;
+ is_quoted = (strchr (gdb_completer_quote_characters, **argptr) != NULL);
for (p = *argptr; *p; p++)
{
}
while (p[0] == ' ' || p[0] == '\t') p++;
- if (p[0] == ':')
+ if ((p[0] == ':') && !is_quoted)
{
/* C++ */
p1 = p;
while (p != *argptr && p[-1] == ' ') --p;
copy = (char *) alloca (p - *argptr + 1);
- bcopy (*argptr, copy, p - *argptr);
+ memcpy (copy, *argptr, p - *argptr);
copy[p - *argptr] = 0;
/* Discard the class name from the arg. */
(struct symtab **)NULL);
if (sym_class &&
- (TYPE_CODE (SYMBOL_TYPE (sym_class)) == TYPE_CODE_STRUCT
+ ( TYPE_CODE (SYMBOL_TYPE (sym_class)) == TYPE_CODE_STRUCT
|| TYPE_CODE (SYMBOL_TYPE (sym_class)) == TYPE_CODE_UNION))
{
/* Arg token is not digits => try it as a function name
Find the next token (everything up to end or next whitespace). */
p = *argptr;
while (*p && *p != ' ' && *p != '\t' && *p != ',' && *p !=':') p++;
- copy = (char *) alloca (p - *argptr + 1);
- bcopy (*argptr, copy, p - *argptr);
- copy[p - *argptr] = '\0';
+ q = operator_chars (*argptr, &q1);
+
+ if (q1 - q)
+ {
+ char *opname;
+ char *tmp = alloca (q1 - q + 1);
+ memcpy (tmp, q, q1 - q);
+ tmp[q1 - q] = '\0';
+ opname = cplus_mangle_opname (tmp, DMGL_ANSI);
+ if (opname == NULL)
+ {
+ warning ("no mangling for \"%s\"", tmp);
+ cplusplus_hint (saved_arg);
+ return_to_top_level ();
+ }
+ copy = (char*) alloca (3 + strlen(opname));
+ sprintf (copy, "__%s", opname);
+ p = q1;
+ }
+ else
+ {
+ copy = (char *) alloca (p - *argptr + 1 + (q1 - q));
+ memcpy (copy, *argptr, p - *argptr);
+ copy[p - *argptr] = '\0';
+ }
/* no line number may be specified */
while (*p == ' ' || *p == '\t') p++;
return decode_line_2 (sym_arr, i1, funfirstline);
}
else
- error ("that class does not have any method named %s",copy);
+ {
+ char *tmp;
+
+ if (OPNAME_PREFIX_P (copy))
+ {
+ tmp = (char *)alloca (strlen (copy+3) + 9);
+ strcpy (tmp, "operator ");
+ strcat (tmp, copy+3);
+ }
+ else
+ tmp = copy;
+ if (tmp[0] == '~')
+ warning ("the class `%s' does not have destructor defined",
+ sym_class->name);
+ else
+ warning ("the class %s does not have any method named %s",
+ sym_class->name, tmp);
+ cplusplus_hint (saved_arg);
+ return_to_top_level ();
+ }
}
else
- /* The quotes are important if copy is empty. */
- error("No class, struct, or union named \"%s\"", copy );
+ {
+ /* The quotes are important if copy is empty. */
+ warning ("can't find class, struct, or union named \"%s\"",
+ copy);
+ cplusplus_hint (saved_arg);
+ return_to_top_level ();
+ }
}
/* end of C++ */
p1 = p;
while (p != *argptr && p[-1] == ' ') --p;
copy = (char *) alloca (p - *argptr + 1);
- bcopy (*argptr, copy, p - *argptr);
+ memcpy (copy, *argptr, p - *argptr);
copy[p - *argptr] = 0;
/* Find that file's data. */
s = lookup_symtab (copy);
if (s == 0)
{
- if (symtab_list == 0 && partial_symtab_list == 0)
+ if (!have_full_symbols () && !have_partial_symbols ())
error (no_symtab_msg);
error ("No source file named %s.", copy);
}
if (s == 0 && default_symtab == 0)
{
- if (symtab_list == 0 && partial_symtab_list == 0)
- error (no_symtab_msg);
select_source_symtab (0);
default_symtab = current_source_symtab;
default_line = current_source_line;
/* Arg token is not digits => try it as a variable name
Find the next token (everything up to end or next whitespace). */
- p = *argptr;
- while (*p && *p != ' ' && *p != '\t' && *p != ',') p++;
+
+ p = skip_quoted (*argptr);
copy = (char *) alloca (p - *argptr + 1);
- bcopy (*argptr, copy, p - *argptr);
- copy[p - *argptr] = 0;
+ memcpy (copy, *argptr, p - *argptr);
+ copy[p - *argptr] = '\0';
+ if ((copy[0] == copy [p - *argptr - 1])
+ && strchr (gdb_completer_quote_characters, copy[0]) != NULL)
+ {
+ char *temp;
+ copy [p - *argptr - 1] = '\0';
+ copy++;
+ if ((temp = expensive_mangler (copy)) != NULL)
+ {
+ copy = temp;
+ }
+ }
while (*p == ' ' || *p == '\t') p++;
*argptr = p;
If file specified, use that file's per-file block to start with. */
sym = lookup_symbol (copy,
- (s ? BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), 1)
+ (s ? BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), STATIC_BLOCK)
: get_selected_block ()),
VAR_NAMESPACE, 0, &sym_symtab);
/* Convex: no need to suppress code on first line, if any */
val.pc = pc;
#else
- val.pc = (val.end && val.pc != pc) ? val.end : pc;
+ /* If SKIP_PROLOGUE left us in mid-line, and the next line is still
+ part of the same function:
+ advance to next line,
+ recalculate its line number (might not be N+1). */
+ if (val.pc != pc && val.end &&
+ lookup_minimal_symbol_by_pc (pc) == lookup_minimal_symbol_by_pc (val.end)) {
+ pc = val.end; /* First pc of next line */
+ val = find_pc_line (pc, 0);
+ }
+ val.pc = pc;
#endif
values.sals = (struct symtab_and_line *)xmalloc (sizeof (struct symtab_and_line));
values.sals[0] = val;
values.sals = (struct symtab_and_line *)
xmalloc (sizeof (struct symtab_and_line));
values.nelts = 1;
- bzero (&values.sals[0], sizeof (values.sals[0]));
+ memset (&values.sals[0], 0, sizeof (values.sals[0]));
values.sals[0].symtab = sym_symtab;
values.sals[0].line = SYMBOL_LINE (sym);
return values;
error ("Line number not known for symbol \"%s\"", copy);
}
- if (symtab_list == 0 && partial_symtab_list == 0)
- error (no_symtab_msg);
-
- if ((i = lookup_misc_func (copy)) >= 0)
+ msymbol = lookup_minimal_symbol (copy, (struct objfile *) NULL);
+ if (msymbol != NULL)
{
val.symtab = 0;
val.line = 0;
- val.pc = misc_function_vector[i].address + FUNCTION_START_OFFSET;
+ val.pc = msymbol -> address + FUNCTION_START_OFFSET;
if (funfirstline)
SKIP_PROLOGUE (val.pc);
values.sals = (struct symtab_and_line *)xmalloc (sizeof (struct symtab_and_line));
return values;
}
- error ("Function %s not defined.", copy);
+ if (!have_full_symbols () &&
+ !have_partial_symbols () && !have_minimal_symbols ())
+ error (no_symtab_msg);
+
+ error ("Function \"%s\" not defined.", copy);
return values; /* for lint */
}
/* Given a list of NELTS symbols in sym_arr (with corresponding
mangled names in physnames), return a list of lines to operate on
(ask user if necessary). */
-struct symtabs_and_lines
+static struct symtabs_and_lines
decode_line_2 (sym_arr, nelts, funfirstline)
struct symbol *sym_arr[];
int nelts;
int funfirstline;
{
- char *getenv();
struct symtabs_and_lines values, return_values;
register CORE_ADDR pc;
- char *args, *arg1, *command_line_input ();
+ char *args, *arg1;
int i;
char *prompt;
+ char *demangled;
values.sals = (struct symtab_and_line *) alloca (nelts * sizeof(struct symtab_and_line));
return_values.sals = (struct symtab_and_line *) xmalloc (nelts * sizeof(struct symtab_and_line));
values.sals[i] = find_pc_line (pc, 0);
values.sals[i].pc = (values.sals[i].end && values.sals[i].pc != pc) ?
values.sals[i].end : pc;
- printf("[%d] file:%s; line number:%d\n",
- (i+2), values.sals[i].symtab->filename, values.sals[i].line);
+ demangled = cplus_demangle (SYMBOL_NAME (sym_arr[i]),
+ DMGL_PARAMS | DMGL_ANSI);
+ printf("[%d] %s at %s:%d\n", (i+2),
+ demangled ? demangled : SYMBOL_NAME (sym_arr[i]),
+ values.sals[i].symtab->filename, values.sals[i].line);
+ if (demangled != NULL)
+ {
+ free (demangled);
+ }
}
else printf ("?HERE\n");
i++;
printf("%s ",prompt);
fflush(stdout);
- args = command_line_input (0, 0);
+ args = command_line_input ((char *) NULL, 0);
if (args == 0)
error_no_arg ("one or more choice numbers");
error ("cancelled");
else if (num == 1)
{
- bcopy (values.sals, return_values.sals, (nelts * sizeof(struct symtab_and_line)));
+ memcpy (return_values.sals, values.sals,
+ (nelts * sizeof(struct symtab_and_line)));
return_values.nelts = nelts;
return return_values;
}
return return_values;
}
-/* Return the index of misc function named NAME. */
-
-int
-lookup_misc_func (name)
- register char *name;
-{
- register int i;
-
- for (i = 0; i < misc_function_count; i++)
- if (!strcmp (misc_function_vector[i].name, name))
- return i;
- return -1; /* not found */
-}
\f
/* Slave routine for sources_info. Force line breaks at ,'s.
NAME is the name to print and *FIRST is nonzero if this is the first
char *name;
int *first;
{
- static int column;
/* Table of files printed so far. Since a single source file can
result in several partial symbol tables, we need to avoid printing
it more than once. Note: if some of the psymtabs are read in and
if (tab_cur_size == tab_alloc_size)
{
tab_alloc_size *= 2;
- tab = (char **) xrealloc (tab, tab_alloc_size * sizeof (*tab));
+ tab = (char **) xrealloc ((char *) tab, tab_alloc_size * sizeof (*tab));
}
tab[tab_cur_size++] = name;
if (*first)
{
- column = 0;
*first = 0;
}
else
{
- printf_filtered (",");
- column++;
+ printf_filtered (", ");
}
- if (column != 0 && column + strlen (name) >= 70)
- {
- printf_filtered ("\n");
- column = 0;
- }
- else if (column != 0)
- {
- printf_filtered (" ");
- column++;
- }
+ wrap_here ("");
fputs_filtered (name, stdout);
- column += strlen (name);
}
static void
-sources_info ()
+sources_info (ignore, from_tty)
+ char *ignore;
+ int from_tty;
{
register struct symtab *s;
register struct partial_symtab *ps;
+ register struct objfile *objfile;
int first;
- if (symtab_list == 0 && partial_symtab_list == 0)
+ if (!have_full_symbols () && !have_partial_symbols ())
{
- printf (no_symtab_msg);
- return;
+ error (no_symtab_msg);
}
printf_filtered ("Source files for which symbols have been read in:\n\n");
first = 1;
- for (s = symtab_list; s; s = s->next)
- output_source_filename (s->filename, &first);
+ ALL_SYMTABS (objfile, s)
+ {
+ output_source_filename (s -> filename, &first);
+ }
printf_filtered ("\n\n");
printf_filtered ("Source files for which symbols will be read in on demand:\n\n");
first = 1;
- for (ps = partial_symtab_list; ps; ps = ps->next)
- if (!ps->readin)
- output_source_filename (ps->filename, &first);
+ ALL_PSYMTABS (objfile, ps)
+ {
+ if (!ps->readin)
+ {
+ output_source_filename (ps -> filename, &first);
+ }
+ }
printf_filtered ("\n");
}
+static int
+name_match (name)
+ char *name;
+{
+ char *demangled = cplus_demangle (name, DMGL_ANSI);
+ if (demangled != NULL)
+ {
+ int cond = re_exec (demangled);
+ free (demangled);
+ return (cond);
+ }
+ return (re_exec (name));
+}
+#define NAME_MATCH(NAME) name_match(NAME)
+
/* List all symbols (if REGEXP is 0) or all symbols matching REGEXP.
- If CLASS is zero, list all symbols except functions and type names.
+ If CLASS is zero, list all symbols except functions, type names, and
+ constants (enums).
If CLASS is 1, list only functions.
If CLASS is 2, list only type names.
+ If CLASS is 3, list only method names.
BPT is non-zero if we should set a breakpoint at the functions
we find. */
register int i, j;
register struct symbol *sym;
struct partial_symbol *psym;
+ struct objfile *objfile;
+ struct minimal_symbol *msymbol;
char *val;
static char *classnames[]
= {"variable", "function", "type", "method"};
int found_in_file = 0;
+ int found_misc = 0;
+ static enum minimal_symbol_type types[]
+ = {mst_data, mst_text, mst_abs, mst_unknown};
+ static enum minimal_symbol_type types2[]
+ = {mst_bss, mst_text, mst_abs, mst_unknown};
+ enum minimal_symbol_type ourtype = types[class];
+ enum minimal_symbol_type ourtype2 = types2[class];
if (regexp)
- if (0 != (val = (char *) re_comp (regexp)))
- error ("Invalid regexp (%s): %s", val, regexp);
+ {
+ /* Make sure spacing is right for C++ operators.
+ This is just a courtesy to make the matching less sensitive
+ to how many spaces the user leaves between 'operator'
+ and <TYPENAME> or <OPERATOR>. */
+ char *opend;
+ char *opname = operator_chars (regexp, &opend);
+ if (*opname)
+ {
+ int fix = -1; /* -1 means ok; otherwise number of spaces needed. */
+ if (isalpha(*opname) || *opname == '_' || *opname == '$')
+ {
+ /* There should 1 space between 'operator' and 'TYPENAME'. */
+ if (opname[-1] != ' ' || opname[-2] == ' ')
+ fix = 1;
+ }
+ else
+ {
+ /* There should 0 spaces between 'operator' and 'OPERATOR'. */
+ if (opname[-1] == ' ')
+ fix = 0;
+ }
+ /* If wrong number of spaces, fix it. */
+ if (fix >= 0)
+ {
+ char *tmp = (char*) alloca(opend-opname+10);
+ sprintf(tmp, "operator%.*s%s", fix, " ", opname);
+ regexp = tmp;
+ }
+ }
+
+ if (0 != (val = re_comp (regexp)))
+ error ("Invalid regexp (%s): %s", val, regexp);
+ }
- /* Search through the partial_symtab_list *first* for all symbols
+ /* Search through the partial symtabs *first* for all symbols
matching the regexp. That way we don't have to reproduce all of
the machinery below. */
- for (ps = partial_symtab_list; ps; ps = ps->next)
+
+ ALL_PSYMTABS (objfile, ps)
{
struct partial_symbol *bound, *gbound, *sbound;
int keep_going = 1;
-
+
if (ps->readin) continue;
- gbound = global_psymbols.list + ps->globals_offset + ps->n_global_syms;
- sbound = static_psymbols.list + ps->statics_offset + ps->n_static_syms;
+ gbound = objfile->global_psymbols.list + ps->globals_offset + ps->n_global_syms;
+ sbound = objfile->static_psymbols.list + ps->statics_offset + ps->n_static_syms;
bound = gbound;
-
+
/* Go through all of the symbols stored in a partial
symtab in one loop. */
- psym = global_psymbols.list + ps->globals_offset;
+ psym = objfile->global_psymbols.list + ps->globals_offset;
while (keep_going)
{
if (psym >= bound)
{
if (bound == gbound && ps->n_static_syms != 0)
{
- psym = static_psymbols.list + ps->statics_offset;
+ psym = objfile->static_psymbols.list + ps->statics_offset;
bound = sbound;
}
else
keep_going = 0;
+ continue;
}
else
{
/* If it would match (logic taken from loop below)
load the file and go on to the next one */
- if ((regexp == 0 || re_exec (SYMBOL_NAME (psym)))
+ if ((regexp == 0 || NAME_MATCH (SYMBOL_NAME (psym)))
&& ((class == 0 && SYMBOL_CLASS (psym) != LOC_TYPEDEF
&& SYMBOL_CLASS (psym) != LOC_BLOCK)
|| (class == 1 && SYMBOL_CLASS (psym) == LOC_BLOCK)
|| (class == 2 && SYMBOL_CLASS (psym) == LOC_TYPEDEF)
|| (class == 3 && SYMBOL_CLASS (psym) == LOC_BLOCK)))
{
- (void) PSYMTAB_TO_SYMTAB(ps);
+ PSYMTAB_TO_SYMTAB(ps);
keep_going = 0;
}
}
}
}
- /* Here, *if* the class is correct (function only, right now), we
- search through the misc function vector for symbols that
+ /* Here, we search through the minimal symbol tables for functions that
match, and call find_pc_symtab on them to force their symbols to
be read. The symbol will then be found during the scan of symtabs
- below. */
+ below. If find_pc_symtab fails, set found_misc so that we will
+ rescan to print any matching symbols without debug info. */
if (class == 1)
{
- for (i = 0; i < misc_function_count; i++)
- if (regexp == 0 || re_exec (misc_function_vector[i].name))
- {
- (void) find_pc_symtab (misc_function_vector[i].address);
- }
+ ALL_MSYMBOLS (objfile, msymbol)
+ {
+ if (msymbol -> type == ourtype || msymbol -> type == ourtype2)
+ {
+ if (regexp == 0 || NAME_MATCH (msymbol -> name))
+ {
+ if (0 == find_pc_symtab (msymbol -> address))
+ {
+ found_misc = 1;
+ }
+ }
+ }
+ }
}
/* Printout here so as to get after the "Reading in symbols"
classnames[class],
regexp);
- for (s = symtab_list; s; s = s->next)
+ ALL_SYMTABS (objfile, s)
{
found_in_file = 0;
bv = BLOCKVECTOR (s);
It happens that the first symtab in the list
for any given blockvector is the main file. */
if (bv != prev_bv)
- for (i = 0; i < 2; i++)
+ for (i = GLOBAL_BLOCK; i <= STATIC_BLOCK; i++)
{
b = BLOCKVECTOR_BLOCK (bv, i);
/* Skip the sort if this block is always sorted. */
{
QUIT;
sym = BLOCK_SYM (b, j);
- if ((regexp == 0 || re_exec (SYMBOL_NAME (sym)))
+ if ((regexp == 0 || NAME_MATCH (SYMBOL_NAME (sym)))
&& ((class == 0 && SYMBOL_CLASS (sym) != LOC_TYPEDEF
- && SYMBOL_CLASS (sym) != LOC_BLOCK)
+ && SYMBOL_CLASS (sym) != LOC_BLOCK
+ && SYMBOL_CLASS (sym) != LOC_CONST)
|| (class == 1 && SYMBOL_CLASS (sym) == LOC_BLOCK)
|| (class == 2 && SYMBOL_CLASS (sym) == LOC_TYPEDEF)
|| (class == 3 && SYMBOL_CLASS (sym) == LOC_BLOCK)))
fputs_filtered (":\n", stdout);
}
found_in_file = 1;
-
- if (class != 2 && i == 1)
+
+ if (class != 2 && i == STATIC_BLOCK)
printf_filtered ("static ");
+
+ /* Typedef that is not a C++ class */
if (class == 2
&& SYMBOL_NAMESPACE (sym) != STRUCT_NAMESPACE)
- printf_filtered ("typedef ");
-
- if (class < 3)
+ typedef_print (SYMBOL_TYPE(sym), sym, stdout);
+ /* variable, func, or typedef-that-is-c++-class */
+ else if (class < 2 ||
+ (class == 2 &&
+ SYMBOL_NAMESPACE(sym) == STRUCT_NAMESPACE))
{
type_print (SYMBOL_TYPE (sym),
(SYMBOL_CLASS (sym) == LOC_TYPEDEF
? "" : SYMBOL_NAME (sym)),
stdout, 0);
-
- if (class == 2
- && SYMBOL_NAMESPACE (sym) != STRUCT_NAMESPACE
- && (TYPE_NAME ((SYMBOL_TYPE (sym))) == 0
- || 0 != strcmp (TYPE_NAME ((SYMBOL_TYPE (sym))),
- SYMBOL_NAME (sym))))
- {
- fputs_filtered (" ", stdout);
- fprint_symbol (stdout, SYMBOL_NAME (sym));
- }
-
+
printf_filtered (";\n");
}
else
{
# if 0
+/* FIXME, why is this zapped out? */
char buf[1024];
type_print_base (TYPE_FN_FIELD_TYPE(t, i), stdout, 0, 0);
type_print_varspec_prefix (TYPE_FN_FIELD_TYPE(t, i), stdout, 0);
}
prev_bv = bv;
}
+
+ /* If there are no eyes, avoid all contact. I mean, if there are
+ no debug symbols, then print directly from the msymbol_vector. */
+
+ if (found_misc || class != 1)
+ {
+ found_in_file = 0;
+ ALL_MSYMBOLS (objfile, msymbol)
+ {
+ if (msymbol -> type == ourtype || msymbol -> type == ourtype2)
+ {
+ if (regexp == 0 || NAME_MATCH (msymbol -> name))
+ {
+ /* Functions: Look up by address. */
+ if (class != 1 ||
+ (0 == find_pc_symtab (msymbol -> address)))
+ {
+ /* Variables/Absolutes: Look up by name */
+ if (lookup_symbol (msymbol -> name,
+ (struct block *) 0, VAR_NAMESPACE, 0,
+ (struct symtab **) 0) == NULL)
+ {
+ if (!found_in_file)
+ {
+ printf_filtered ("\nNon-debugging symbols:\n");
+ found_in_file = 1;
+ }
+ printf_filtered (" %08x %s\n",
+ msymbol -> address,
+ msymbol -> name);
+ }
+ }
+ }
+ }
+ }
+ }
}
static void
-variables_info (regexp)
+variables_info (regexp, from_tty)
char *regexp;
+ int from_tty;
{
list_symbols (regexp, 0, 0);
}
static void
-functions_info (regexp)
+functions_info (regexp, from_tty)
char *regexp;
+ int from_tty;
{
list_symbols (regexp, 1, 0);
}
-#if 0
static void
-types_info (regexp)
+types_info (regexp, from_tty)
char *regexp;
+ int from_tty;
{
list_symbols (regexp, 2, 0);
}
-#endif
#if 0
/* Tiemann says: "info methods was never implemented." */
/* Breakpoint all functions matching regular expression. */
static void
-rbreak_command (regexp)
+rbreak_command (regexp, from_tty)
char *regexp;
+ int from_tty;
{
list_symbols (regexp, 1, 1);
}
\f
-/* Initialize the standard C scalar types. */
-
-static
-struct type *
-init_type (code, length, uns, name)
- enum type_code code;
- int length, uns;
- char *name;
-{
- register struct type *type;
-
- type = (struct type *) xmalloc (sizeof (struct type));
- bzero (type, sizeof *type);
- TYPE_MAIN_VARIANT (type) = type;
- TYPE_CODE (type) = code;
- TYPE_LENGTH (type) = length;
- TYPE_FLAGS (type) = uns ? TYPE_FLAG_UNSIGNED : 0;
- TYPE_FLAGS (type) |= TYPE_FLAG_PERM;
- TYPE_NFIELDS (type) = 0;
- TYPE_NAME (type) = name;
-
- /* C++ fancies. */
- TYPE_NFN_FIELDS (type) = 0;
- TYPE_N_BASECLASSES (type) = 0;
- return type;
-}
/* Return Nonzero if block a is lexically nested within block b,
or if a and b have the same pc range.
\f
/* Helper routine for make_symbol_completion_list. */
-int return_val_size, return_val_index;
-char **return_val;
+static int return_val_size;
+static int return_val_index;
+static char **return_val;
-void
-completion_list_add_symbol (symname)
+/* Test to see if the symbol specified by SYMNAME (or it's demangled
+ equivalent) matches TEXT in the first TEXT_LEN characters. If so,
+ add it to the current completion list. */
+
+static void
+completion_list_add_symbol (symname, text, text_len)
char *symname;
+ char *text;
+ int text_len;
{
- if (return_val_index + 3 > return_val_size)
- return_val =
- (char **)xrealloc (return_val,
- (return_val_size *= 2) * sizeof (char *));
-
- return_val[return_val_index] =
- (char *)xmalloc (1 + strlen (symname));
-
- strcpy (return_val[return_val_index], symname);
+ char *demangled;
+ int newsize;
+ int i;
+
+ /* clip symbols that cannot match */
+
+ if (!cplus_match (symname, text, text_len)) {
+ return;
+ }
+
+ /* matches mangled, may match unmangled. now clip any symbol names
+ that we've already considered. (This is a time optimization) */
+
+ for (i = 0; i < return_val_index; ++i) {
+ if (strcmp (symname, return_val[i]) == 0) {
+ return;
+ }
+ }
- return_val[++return_val_index] = (char *)NULL;
+ /* See if SYMNAME is a C++ mangled name, and if so, use the
+ demangled name instead, including any parameters. */
+
+ if ((demangled = cplus_demangle (symname, DMGL_PARAMS | DMGL_ANSI)) != NULL)
+ {
+ if (strncmp (demangled, text, text_len) != 0) {
+ return;
+ } /* demangled, but didn't match so clip it */
+
+ symname = demangled;
+ } else {
+ symname = savestring (symname, strlen (symname));
+ }
+
+ /* If we have a match for a completion, then add SYMNAME to the current
+ list of matches. Note that the name is in freshly malloc'd space;
+ either from cplus_demangle or from savestring above. */
+
+ if (return_val_index + 3 > return_val_size)
+ {
+ newsize = (return_val_size *= 2) * sizeof (char *);
+ return_val = (char **) xrealloc ((char *) return_val, newsize);
+ }
+ return_val[return_val_index++] = symname;
+ return_val[return_val_index] = NULL;
+
+ return;
}
/* Return a NULL terminated array of all symbols (regardless of class) which
begin by matching TEXT. If the answer is no symbols, then the return value
is an array which contains only a NULL pointer.
- Problem: All of the symbols have to be copied because readline
- frees them. I'm not going to worry about this; hopefully there
- won't be that many. */
+ Problem: All of the symbols have to be copied because readline frees them.
+ I'm not going to worry about this; hopefully there won't be that many. */
char **
make_symbol_completion_list (text)
char *text;
{
+ register struct symbol *sym;
register struct symtab *s;
register struct partial_symtab *ps;
+ register struct minimal_symbol *msymbol;
+ register struct objfile *objfile;
register struct block *b, *surrounding_static_block = 0;
- extern struct block *get_selected_block ();
register int i, j;
+ int text_len;
struct partial_symbol *psym;
- int text_len = strlen (text);
+ text_len = strlen (text);
return_val_size = 100;
return_val_index = 0;
- return_val =
- (char **)xmalloc ((1 + return_val_size) *sizeof (char *));
- return_val[0] = (char *)NULL;
+ return_val = (char **) xmalloc ((return_val_size + 1) * sizeof (char *));
+ return_val[0] = NULL;
/* Look through the partial symtabs for all symbols which begin
by matching TEXT. Add each one that you find to the list. */
- for (ps = partial_symtab_list; ps; ps = ps->next)
+ ALL_PSYMTABS (objfile, ps)
{
/* If the psymtab's been read in we'll get it when we search
through the blockvector. */
if (ps->readin) continue;
-
- for (psym = global_psymbols.list + ps->globals_offset;
- psym < (global_psymbols.list + ps->globals_offset
+
+ for (psym = objfile->global_psymbols.list + ps->globals_offset;
+ psym < (objfile->global_psymbols.list + ps->globals_offset
+ ps->n_global_syms);
psym++)
{
- QUIT; /* If interrupted, then quit. */
- if ((strncmp (SYMBOL_NAME (psym), text, text_len) == 0))
- completion_list_add_symbol (SYMBOL_NAME (psym));
+ /* If interrupted, then quit. */
+ QUIT;
+ completion_list_add_symbol (SYMBOL_NAME (psym), text, text_len);
}
- for (psym = static_psymbols.list + ps->statics_offset;
- psym < (static_psymbols.list + ps->statics_offset
+ for (psym = objfile->static_psymbols.list + ps->statics_offset;
+ psym < (objfile->static_psymbols.list + ps->statics_offset
+ ps->n_static_syms);
psym++)
{
QUIT;
- if ((strncmp (SYMBOL_NAME (psym), text, text_len) == 0))
- completion_list_add_symbol (SYMBOL_NAME (psym));
+ completion_list_add_symbol (SYMBOL_NAME (psym), text, text_len);
}
}
- /* At this point scan through the misc function vector and add each
+ /* At this point scan through the misc symbol vectors and add each
symbol you find to the list. Eventually we want to ignore
anything that isn't a text symbol (everything else will be
handled by the psymtab code above). */
- for (i = 0; i < misc_function_count; i++)
- if (!strncmp (text, misc_function_vector[i].name, text_len))
- completion_list_add_symbol (misc_function_vector[i].name);
+ ALL_MSYMBOLS (objfile, msymbol)
+ {
+ QUIT;
+ completion_list_add_symbol (msymbol -> name, text, text_len);
+ }
/* Search upwards from currently selected frame (so that we can
complete on local vars. */
+
+ for (b = get_selected_block (); b != NULL; b = BLOCK_SUPERBLOCK (b))
+ {
+ if (!BLOCK_SUPERBLOCK (b))
+ {
+ surrounding_static_block = b; /* For elmin of dups */
+ }
+
+ /* Also catch fields of types defined in this places which match our
+ text string. Only complete on types visible from current context. */
+
+ for (i = 0; i < BLOCK_NSYMS (b); i++)
+ {
+ sym = BLOCK_SYM (b, i);
+ completion_list_add_symbol (SYMBOL_NAME (sym), text, text_len);
+ if (SYMBOL_CLASS (sym) == LOC_TYPEDEF)
+ {
+ struct type *t = SYMBOL_TYPE (sym);
+ enum type_code c = TYPE_CODE (t);
+
+ if (c == TYPE_CODE_UNION || c == TYPE_CODE_STRUCT)
+ {
+ for (j = TYPE_N_BASECLASSES (t); j < TYPE_NFIELDS (t); j++)
+ {
+ if (TYPE_FIELD_NAME (t, j))
+ {
+ completion_list_add_symbol (TYPE_FIELD_NAME (t, j),
+ text, text_len);
+ }
+ }
+ }
+ }
+ }
+ }
+
+ /* Go through the symtabs and check the externs and statics for
+ symbols which match. */
+
+ ALL_SYMTABS (objfile, s)
+ {
+ QUIT;
+ b = BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), GLOBAL_BLOCK);
+ for (i = 0; i < BLOCK_NSYMS (b); i++)
+ {
+ sym = BLOCK_SYM (b, i);
+ completion_list_add_symbol (SYMBOL_NAME (sym), text, text_len);
+ }
+ }
+
+ ALL_SYMTABS (objfile, s)
+ {
+ QUIT;
+ b = BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), STATIC_BLOCK);
+ /* Don't do this block twice. */
+ if (b == surrounding_static_block) continue;
+ for (i = 0; i < BLOCK_NSYMS (b); i++)
+ {
+ sym = BLOCK_SYM (b, i);
+ completion_list_add_symbol (SYMBOL_NAME (sym), text, text_len);
+ }
+ }
+
+ return (return_val);
+}
+
+\f
+/* Find a mangled symbol that corresponds to LOOKFOR using brute force.
+ Basically we go munging through available symbols, demangling each one,
+ looking for a match on the demangled result. */
+
+static char *
+expensive_mangler (lookfor)
+ const char *lookfor;
+{
+ register struct symbol *sym;
+ register struct symtab *s;
+ register struct partial_symtab *ps;
+ register struct minimal_symbol *msymbol;
+ register struct objfile *objfile;
+ register struct block *b, *surrounding_static_block = 0;
+ register int i, j;
+ struct partial_symbol *psym;
+ char *demangled;
+
+ /* Look through the partial symtabs for a symbol that matches */
+
+ ALL_PSYMTABS (objfile, ps)
+ {
+ /* If the psymtab's been read in we'll get it when we search
+ through the blockvector. */
+ if (ps->readin) continue;
+
+ for (psym = objfile->global_psymbols.list + ps->globals_offset;
+ psym < (objfile->global_psymbols.list + ps->globals_offset
+ + ps->n_global_syms);
+ psym++)
+ {
+ QUIT; /* If interrupted, then quit. */
+ demangled = demangle_and_match (SYMBOL_NAME (psym), lookfor,
+ DMGL_PARAMS | DMGL_ANSI);
+ if (demangled != NULL)
+ {
+ free (demangled);
+ return (SYMBOL_NAME (psym));
+ }
+ }
+
+ for (psym = objfile->static_psymbols.list + ps->statics_offset;
+ psym < (objfile->static_psymbols.list + ps->statics_offset
+ + ps->n_static_syms);
+ psym++)
+ {
+ QUIT;
+ demangled = demangle_and_match (SYMBOL_NAME (psym), lookfor,
+ DMGL_PARAMS | DMGL_ANSI);
+ if (demangled != NULL)
+ {
+ free (demangled);
+ return (SYMBOL_NAME (psym));
+ }
+ }
+ }
+
+ /* Scan through the misc symbol vectors looking for a match. */
+
+ ALL_MSYMBOLS (objfile, msymbol)
+ {
+ QUIT;
+ demangled = demangle_and_match (msymbol -> name, lookfor,
+ DMGL_PARAMS | DMGL_ANSI);
+ if (demangled != NULL)
+ {
+ free (demangled);
+ return (msymbol -> name);
+ }
+ }
+
+ /* Search upwards from currently selected frame looking for a match */
+
for (b = get_selected_block (); b; b = BLOCK_SUPERBLOCK (b))
{
if (!BLOCK_SUPERBLOCK (b))
from current context. */
for (i = 0; i < BLOCK_NSYMS (b); i++)
{
- register struct symbol *sym = BLOCK_SYM (b, i);
-
- if (!strncmp (SYMBOL_NAME (sym), text, text_len))
- completion_list_add_symbol (SYMBOL_NAME (sym));
-
+ sym = BLOCK_SYM (b, i);
+ demangled = demangle_and_match (SYMBOL_NAME (sym), lookfor,
+ DMGL_PARAMS | DMGL_ANSI);
+ if (demangled != NULL)
+ {
+ free (demangled);
+ return (SYMBOL_NAME (sym));
+ }
if (SYMBOL_CLASS (sym) == LOC_TYPEDEF)
{
struct type *t = SYMBOL_TYPE (sym);
enum type_code c = TYPE_CODE (t);
if (c == TYPE_CODE_UNION || c == TYPE_CODE_STRUCT)
- for (j = TYPE_N_BASECLASSES (t); j < TYPE_NFIELDS (t); j++)
- if (TYPE_FIELD_NAME (t, j) &&
- !strncmp (TYPE_FIELD_NAME (t, j), text, text_len))
- completion_list_add_symbol (TYPE_FIELD_NAME (t, j));
+ {
+ for (j = TYPE_N_BASECLASSES (t); j < TYPE_NFIELDS (t); j++)
+ {
+ if (TYPE_FIELD_NAME (t, j))
+ {
+ demangled =
+ demangle_and_match (TYPE_FIELD_NAME (t, j),
+ lookfor,
+ DMGL_PARAMS | DMGL_ANSI);
+ if (demangled != NULL)
+ {
+ free (demangled);
+ return (TYPE_FIELD_NAME (t, j));
+ }
+ }
+ }
+ }
}
}
}
/* Go through the symtabs and check the externs and statics for
symbols which match. */
- for (s = symtab_list; s; s = s->next)
+ ALL_SYMTABS (objfile, s)
{
- b = BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), 0);
-
+ QUIT;
+ b = BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), GLOBAL_BLOCK);
for (i = 0; i < BLOCK_NSYMS (b); i++)
- if (!strncmp (SYMBOL_NAME (BLOCK_SYM (b, i)), text, text_len))
- completion_list_add_symbol (SYMBOL_NAME (BLOCK_SYM (b, i)));
+ {
+ sym = BLOCK_SYM (b, i);
+ demangled = demangle_and_match (SYMBOL_NAME (sym), lookfor,
+ DMGL_PARAMS | DMGL_ANSI);
+ if (demangled != NULL)
+ {
+ free (demangled);
+ return (SYMBOL_NAME (sym));
+ }
+ }
}
- for (s = symtab_list; s; s = s->next)
+ ALL_SYMTABS (objfile, s)
{
- b = BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), 1);
-
+ QUIT;
+ b = BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), STATIC_BLOCK);
/* Don't do this block twice. */
if (b == surrounding_static_block) continue;
-
for (i = 0; i < BLOCK_NSYMS (b); i++)
- if (!strncmp (SYMBOL_NAME (BLOCK_SYM (b, i)), text, text_len))
- completion_list_add_symbol (SYMBOL_NAME (BLOCK_SYM (b, i)));
+ {
+ sym = BLOCK_SYM (b, i);
+ demangled = demangle_and_match (SYMBOL_NAME (sym), lookfor,
+ DMGL_PARAMS | DMGL_ANSI);
+ if (demangled != NULL)
+ {
+ free (demangled);
+ return (SYMBOL_NAME (sym));
+ }
+ }
}
- return (return_val);
+ return (NULL);
+}
+
+\f
+#if 0
+/* Add the type of the symbol sym to the type of the current
+ function whose block we are in (assumed). The type of
+ this current function is contained in *TYPE.
+
+ This basically works as follows: When we find a function
+ symbol (N_FUNC with a 'f' or 'F' in the symbol name), we record
+ a pointer to its type in the global in_function_type. Every
+ time we come across a parameter symbol ('p' in its name), then
+ this procedure adds the name and type of that parameter
+ to the function type pointed to by *TYPE. (Which should correspond
+ to in_function_type if it was called correctly).
+
+ Note that since we are modifying a type, the result of
+ lookup_function_type() should be memcpy()ed before calling
+ this. When not in strict typing mode, the expression
+ evaluator can choose to ignore this.
+
+ Assumption: All of a function's parameter symbols will
+ appear before another function symbol is found. The parameters
+ appear in the same order in the argument list as they do in the
+ symbol table. */
+
+void
+add_param_to_type (type,sym)
+ struct type **type;
+ struct symbol *sym;
+{
+ int num = ++(TYPE_NFIELDS(*type));
+
+ if(TYPE_NFIELDS(*type)-1)
+ TYPE_FIELDS(*type) = (struct field *)
+ (*current_objfile->xrealloc) ((char *)(TYPE_FIELDS(*type)),
+ num*sizeof(struct field));
+ else
+ TYPE_FIELDS(*type) = (struct field *)
+ (*current_objfile->xmalloc) (num*sizeof(struct field));
+
+ TYPE_FIELD_BITPOS(*type,num-1) = num-1;
+ TYPE_FIELD_BITSIZE(*type,num-1) = 0;
+ TYPE_FIELD_TYPE(*type,num-1) = SYMBOL_TYPE(sym);
+ TYPE_FIELD_NAME(*type,num-1) = SYMBOL_NAME(sym);
}
+#endif
\f
void
_initialize_symtab ()
"All global and static variable names, or those matching REGEXP.");
add_info ("functions", functions_info,
"All function names, or those matching REGEXP.");
-#if 0
- /* This command has at least the following problems:
+
+ /* FIXME: This command has at least the following problems:
1. It prints builtin types (in a very strange and confusing fashion).
2. It doesn't print right, e.g. with
typedef struct foo *FOO
I also think "ptype" or "whatis" is more likely to be useful (but if
there is much disagreement "info types" can be fixed). */
add_info ("types", types_info,
- "All types names, or those matching REGEXP.");
-#endif
+ "All type names, or those matching REGEXP.");
+
#if 0
add_info ("methods", methods_info,
"All method names, or those matching REGEXP::REGEXP.\n\
-If the class qualifier is ommited, it is assumed to be the current scope.\n\
-If the first REGEXP is ommited, then all methods matching the second REGEXP\n\
+If the class qualifier is omitted, it is assumed to be the current scope.\n\
+If the first REGEXP is omitted, then all methods matching the second REGEXP\n\
are listed.");
#endif
add_info ("sources", sources_info,
add_com ("rbreak", no_class, rbreak_command,
"Set a breakpoint for all functions matching REGEXP.");
- /* FIXME: The code below assumes that the sizes of the basic data
- types are the same on the host and target machines!!! */
-
- builtin_type_void = init_type (TYPE_CODE_VOID, 1, 0, "void");
-
- builtin_type_float = init_type (TYPE_CODE_FLT, sizeof (float), 0, "float");
- builtin_type_double = init_type (TYPE_CODE_FLT, sizeof (double), 0, "double");
-
- builtin_type_char = init_type (TYPE_CODE_INT, sizeof (char), 0, "char");
- builtin_type_short = init_type (TYPE_CODE_INT, sizeof (short), 0, "short");
- builtin_type_long = init_type (TYPE_CODE_INT, sizeof (long), 0, "long");
- builtin_type_int = init_type (TYPE_CODE_INT, sizeof (int), 0, "int");
-
- builtin_type_unsigned_char = init_type (TYPE_CODE_INT, sizeof (char), 1, "unsigned char");
- builtin_type_unsigned_short = init_type (TYPE_CODE_INT, sizeof (short), 1, "unsigned short");
- builtin_type_unsigned_long = init_type (TYPE_CODE_INT, sizeof (long), 1, "unsigned long");
- builtin_type_unsigned_int = init_type (TYPE_CODE_INT, sizeof (int), 1, "unsigned int");
-#ifdef LONG_LONG
- builtin_type_long_long =
- init_type (TYPE_CODE_INT, sizeof (long long), 0, "long long");
- builtin_type_unsigned_long_long =
- init_type (TYPE_CODE_INT, sizeof (long long), 1, "unsigned long long");
-#endif
- builtin_type_error = init_type (TYPE_CODE_ERROR, 0, 0, "<unknown type>");
+ /* Initialize the one built-in type that isn't language dependent... */
+ builtin_type_error = init_type (TYPE_CODE_ERROR, 0, 0,
+ "<unknown type>", (struct objfile *) NULL);
}
-
projects / deliverable / binutils-gdb.git / blobdiff