/* 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; }.
-
+
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
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 ();
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 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;
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
/* 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