/* Symbol table definitions for GDB.
- Copyright (C) 1986, 1989 Free Software Foundation, Inc.
+ Copyright (C) 1986, 1989, 1991 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. */
#if !defined (SYMTAB_H)
#define SYMTAB_H 1
/* Actually, the misc function list is used to store *all* of the
global symbols (text, data, bss, and abs). It is sometimes used
to figure out what symtabs to read in. The "type" field is used
- occasionally.
+ occasionally. Calling it the misc "function" vector is now a misnomer.
The misc_info field is available for machine-specific information
that can be cached along with a misc function vector entry. The
struct misc_function *misc_function_vector;
int misc_function_count;
\f
-enum language {language_unknown, language_c};
-
-/* All data types of symbols in the compiled program
- are represented by `struct type' objects.
- All of these objects are pointed to by the typevector.
- The type vector may have empty slots that contain zero. */
-
-struct typevector
-{
- int length; /* Number of types described */
- struct type *type[1];
-};
-
/* Different kinds of data types are distinguished by the `code' field. */
enum type_code
TYPE_CODE_MEMBER, /* Member type */
TYPE_CODE_METHOD, /* Method type */
TYPE_CODE_REF, /* C++ Reference types */
+
+ /* Modula-2 */
+ TYPE_CODE_CHAR, /* *real* character type */
+ TYPE_CODE_BOOL, /* Builtin Modula-2 BOOLEAN */
};
/* This appears in a type's flags word for an unsigned integer type. */
/* For virtual functions. */
/* First baseclass that defines this virtual function. */
struct type *fcontext;
+ unsigned int is_const : 1;
+ unsigned int is_volatile : 1;
/* Index into that baseclass's virtual function table,
- minus 1; else if static: VOFFSET_STATIC; else: 0. */
- int voffset;
-# define VOFFSET_STATIC (-1)
+ minus 2; else if static: VOFFSET_STATIC; else: 0. */
+ unsigned long voffset : 30;
+# define VOFFSET_STATIC 1
} *fn_fields;
B_TYPE *private_fn_field_bits;
LOC_LABEL, /* Value is address SYMBOL_VALUE_ADDRESS in the code */
LOC_BLOCK, /* Value is address SYMBOL_VALUE_BLOCK of a
`struct block'. Function names have this class. */
- LOC_EXTERNAL, /* Value is at address SYMBOL_VALUE_ADDRESS not in
- this compilation.
- This is used only in psymtabs; in symtabs
- LOC_STATIC is used instead (since in that case
- we take the time to find the address). */
LOC_CONST_BYTES, /* Value is a constant byte-sequence pointed to by
SYMBOL_VALUE_ADDRESS, in target byte order. */
LOC_LOCAL_ARG, /* Value is arg at spec'd offset in stack frame.
LOC_REF_ARG, LOC_REGPARM, LOC_LOCAL */
struct block *block; /* for LOC_BLOCK */
char *bytes; /* for LOC_CONST_BYTES */
- CORE_ADDR address; /* for LOC_STATIC, LOC_LABEL, LOC_EXTERNAL */
+ CORE_ADDR address; /* for LOC_STATIC, LOC_LABEL */
struct symbol *chain; /* for opaque typedef struct chain */
}
value;
struct blockvector *blockvector;
/* Table mapping core addresses to line numbers for this file. */
struct linetable *linetable;
- /* Vector containing all types defined for this symtab. */
- struct typevector *typevector;
/* Name of this source file. */
char *filename;
/* Directory in which it was compiled, or NULL if we don't know. */
/* Full name of file as found by searching the source path.
0 if not yet known. */
char *fullname;
+
+ /* Anything extra for this symtab. This is for target machines
+ with special debugging info of some sort (which cannot just
+ be represented in a normal symtab). */
+#if defined (EXTRA_SYMTAB_INFO)
+ EXTRA_SYMTAB_INFO
+#endif
};
/* Each source file that has not been fully read in is represented by
relocate by this amount when reading in symbols from the symbol
file. */
CORE_ADDR addr;
-
- /* Offset within loader symbol table of first local symbol for this
- file and length (in bytes) of the section of the symbol table
- devoted to this file's symbols (actually, the section bracketed
- may contain more than just this files symbols
- If ldsymlen is 0, the only reason for this things existence is
- the dependency list below. Nothing else will happen when it is
- read in. */
- int ldsymoff, ldsymlen;
/* Range of text addresses covered by this file; texthigh is the
beginning of the next section. */
CORE_ADDR textlow, texthigh;
/* Global symbol list. This list will be sorted after readin to
improve access. Binary search will be the usual method of
finding a symbol within it. globals_offset is an integer offset
- within ps_globals */
+ within global_psymbols[]. */
int globals_offset, n_global_syms;
/* Static symbol list. This list will *not* be sorted after readin;
to find a symbol in it, exhaustive search must be used. This is
reasonable because searches through this list will eventually
lead to either the read in of a files symbols for real (assumed
to take a *lot* of time; check) or an error (and we don't care
- how long errors take). */
+ how long errors take). This is an offset and size within
+ static_psymbols[]. */
int statics_offset, n_static_syms;
/* Pointer to symtab eventually allocated for this source file, 0 if
!readin or if we haven't looked for the symtab after it was readin. */
/* Pointer to function which will read in the symtab corresponding to
this psymtab. */
void (*read_symtab) ();
+ /* Information that lets read_symtab() locate the part of the symbol table
+ that this psymtab corresponds to. This information is private to the
+ format-dependent symbol reading routines. For further detail examine
+ the various symbol reading modules. Should really be (void *) but is
+ (char *) as with other such gdb variables. (FIXME) */
+ char *read_symtab_private;
/* Non-zero if the symtab corresponding to this psymtab has been
readin */
unsigned char readin;
#define BLOCKLIST(symtab) (symtab)->blockvector
#define BLOCKVECTOR(symtab) (symtab)->blockvector
-#define TYPEVECTOR(symtab) (symtab)->typevector
-
#define LINELIST(symtab) (symtab)->linetable
#define LINETABLE(symtab) (symtab)->linetable
\f
#define BLOCKVECTOR_NBLOCKS(blocklist) (blocklist)->nblocks
#define BLOCKVECTOR_BLOCK(blocklist,n) (blocklist)->block[n]
-#define TYPEVECTOR_NTYPES(typelist) (typelist)->length
-#define TYPEVECTOR_TYPE(typelist,n) (typelist)->type[n]
-
#define BLOCK_START(bl) (bl)->startaddr
#define BLOCK_END(bl) (bl)->endaddr
#define BLOCK_NSYMS(bl) (bl)->nsyms
#define TYPE_FN_FIELD_TYPE(thistype, n) (thistype)[n].type
#define TYPE_FN_FIELD_ARGS(thistype, n) TYPE_ARG_TYPES ((thistype)[n].type)
#define TYPE_FN_FIELD_PHYSNAME(thistype, n) (thistype)[n].physname
-#define TYPE_FN_FIELD_VIRTUAL_P(thistype, n) ((thistype)[n].voffset > 0)
+#define TYPE_FN_FIELD_VIRTUAL_P(thistype, n) ((thistype)[n].voffset > 1)
#define TYPE_FN_FIELD_STATIC_P(thistype, n) ((thistype)[n].voffset == VOFFSET_STATIC)
-#define TYPE_FN_FIELD_VOFFSET(thistype, n) ((thistype)[n].voffset-1)
+#define TYPE_FN_FIELD_VOFFSET(thistype, n) ((thistype)[n].voffset-2)
#define TYPE_FN_FIELD_FCONTEXT(thistype, n) ((thistype)[n].fcontext)
#define TYPE_FN_PRIVATE_BITS(thistype) (thistype).private_fn_field_bits
/* The virtual function table is now an array of structures
which have the form { int16 offset, delta; void *pfn; }.
-
- Gee, can we have more documentation than that? FIXME. -- gnu */
+
+ In normal virtual function tables, OFFSET is unused.
+ DELTA is the amount which is added to the apparent object's base
+ address in order to point to the actual object to which the
+ virtual function should be applied.
+ PFN is a pointer to the virtual function. */
#define VTBL_FNADDR_OFFSET 2
+
+/* Macro that yields non-zero value iff NAME is the prefix
+ for C++ operator names. If you leave out the parenthesis
+ here you will lose!
+
+ Currently 'o' 'p' CPLUS_MARKER is used for both the symbol in the
+ symbol-file and the names in gdb's symbol table. */
+#define OPNAME_PREFIX_P(NAME) ((NAME)[0] == 'o' && (NAME)[1] == 'p' \
+ && (NAME)[2] == CPLUS_MARKER)
+
+#define VTBL_PREFIX_P(NAME) ((NAME)[3] == CPLUS_MARKER \
+ && !strncmp ((NAME), "_vt", 3))
\f
/* Functions that work on the objects described above */
extern struct symbol *block_function ();
extern struct symbol *find_pc_function ();
extern int find_pc_partial_function ();
-extern void clearpc_function_cache ();
+extern void clear_pc_function_cache ();
extern struct partial_symtab *lookup_partial_symtab ();
extern struct partial_symtab *find_pc_psymtab ();
extern struct symtab *find_pc_symtab ();
/* C++ stuff. */
extern struct type *lookup_reference_type ();
extern struct type *lookup_member_type ();
+extern struct type *lookup_method_type ();
extern struct type *lookup_class ();
extern void smash_to_method_type ();
+void smash_to_member_type (
+#ifdef __STDC__
+ struct type *, struct type *, struct type *
+#endif
+ );
+extern struct type *allocate_stub_method ();
/* end of C++ stuff. */
extern void free_all_symtabs ();
extern struct type *builtin_type_unsigned_long;
extern struct type *builtin_type_float;
extern struct type *builtin_type_double;
+extern struct type *builtin_type_long_double;
+extern struct type *builtin_type_complex;
+extern struct type *builtin_type_double_complex;
/* This type represents a type that was unrecognized in symbol
read-in. */
extern struct type *builtin_type_error;
-#ifdef LONG_LONG
extern struct type *builtin_type_long_long;
extern struct type *builtin_type_unsigned_long_long;
+/* Modula-2 types */
+extern struct type *builtin_type_m2_char;
+extern struct type *builtin_type_m2_int;
+extern struct type *builtin_type_m2_card;
+extern struct type *builtin_type_m2_real;
+extern struct type *builtin_type_m2_bool;
+
+/* LONG_LONG is defined if the host has "long long". */
+#ifdef LONG_LONG
#define BUILTIN_TYPE_LONGEST builtin_type_long_long
#define BUILTIN_TYPE_UNSIGNED_LONGEST builtin_type_unsigned_long_long
/* This should not be a typedef, because "unsigned LONGEST" needs
/* source.c */
int identify_source_line ();
void print_source_lines ();
+void forget_cached_source_info (
+#ifdef __STDC__
+ void
+#endif
+ );
+void select_source_symtab (
+#ifdef __STDC__
+ struct symtab *
+#endif
+ );
char **make_symbol_completion_list ();
/* The entry point of a file we are reading. */
extern CORE_ADDR entry_point;
+/* Maximum and minimum values of built-in types */
+#define MAX_OF_TYPE(t) \
+ TYPE_UNSIGNED(t) ? UMAX_OF_SIZE(TYPE_LENGTH(t)) : MAX_OF_SIZE(TYPE_LENGTH(t))
+
+#define MIN_OF_TYPE(t) \
+ TYPE_UNSIGNED(t) ? UMIN_OF_SIZE(TYPE_LENGTH(t)) : MIN_OF_SIZE(TYPE_LENGTH(t))
+
#endif /* symtab.h not already included. */
projects / binutils-gdb.git / blobdiff