/* Symbol table definitions for GDB.
- Copyright 1986, 1989, 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
+ Copyright 1986, 1989, 1991, 1992, 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
This file is part of GDB.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
-Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#if !defined (SYMTAB_H)
#define SYMTAB_H 1
#include "obstack.h"
#define obstack_chunk_alloc xmalloc
#define obstack_chunk_free free
+#include "bcache.h"
/* Don't do this; it means that if some .o's are compiled with GNU C
and some are not (easy to do accidentally the way we configure
#define SYMBOL_CPLUS_DEMANGLED_NAME(symbol) \
(symbol)->ginfo.language_specific.cplus_specific.demangled_name
-
-extern int demangle; /* We reference it, so go ahead and declare it. */
-
/* Macro that initializes the language dependent portion of a symbol
depending upon the language for the symbol. */
? SYMBOL_DEMANGLED_NAME (symbol) \
: SYMBOL_NAME (symbol))
-/* From utils.c. */
-extern int demangle;
-extern int asm_demangle;
-
/* Macro that tests a symbol for a match against a specified name string.
First test the unencoded name, then looks for and test a C++ encoded
name if it exists. Note that whitespace is ignored while attempting to
char *info;
+#ifdef SOFUN_ADDRESS_MAYBE_MISSING
+ /* Which source file is this symbol in? Only relevant for mst_file_*. */
+ char *filename;
+#endif
+
/* Classification types for this symbol. These should be taken as "advisory
only", since if gdb can't easily figure out a classification it simply
selects mst_unknown. It may also have to guess when it can't figure out
/* Different name spaces for symbols. Looking up a symbol specifies a
namespace and ignores symbol definitions in other name spaces. */
-
-enum namespace
+
+typedef enum
{
/* UNDEF_NAMESPACE is used when a namespace has not been discovered or
none of the following apply. This usually indicates an error either
currently it is not used and labels are not recorded at all. */
LABEL_NAMESPACE
-};
+} namespace_enum;
/* An address-class says where to find the value of a symbol. */
LOC_BASEREG_ARG,
+ /* Value is at fixed address, but the address of the variable has
+ to be determined from the minimal symbol table whenever the
+ variable is referenced.
+ This happens if debugging information for a global symbol is
+ emitted and the corresponding minimal symbol is defined
+ in another object file or runtime common storage.
+ The linker might even remove the minimal symbol if the global
+ symbol is never referenced, in which case the symbol remains
+ unresolved. */
+
+ LOC_UNRESOLVED,
+
/* The variable does not actually exist in the program.
The value is ignored. */
/* Name space code. */
- enum namespace namespace BYTE_BITFIELD;
+ namespace_enum namespace BYTE_BITFIELD;
/* Address class */
- enum address_class class BYTE_BITFIELD;
+ enum address_class aclass BYTE_BITFIELD;
/* Line number of definition. FIXME: Should we really make the assumption
that nobody will try to debug files longer than 64K lines? What about
};
#define SYMBOL_NAMESPACE(symbol) (symbol)->namespace
-#define SYMBOL_CLASS(symbol) (symbol)->class
+#define SYMBOL_CLASS(symbol) (symbol)->aclass
#define SYMBOL_TYPE(symbol) (symbol)->type
#define SYMBOL_LINE(symbol) (symbol)->line
#define SYMBOL_BASEREG(symbol) (symbol)->aux_value.basereg
/* Name space code. */
- enum namespace namespace BYTE_BITFIELD;
+ namespace_enum namespace BYTE_BITFIELD;
/* Address class (for info_symbols) */
- enum address_class class BYTE_BITFIELD;
+ enum address_class aclass BYTE_BITFIELD;
};
#define PSYMBOL_NAMESPACE(psymbol) (psymbol)->namespace
-#define PSYMBOL_CLASS(psymbol) (psymbol)->class
+#define PSYMBOL_CLASS(psymbol) (psymbol)->aclass
\f
/* Source-file information. This describes the relation between source files,
#define ANOFFSET(secoff, whichone) (secoff->offsets[whichone])
+/* The maximum possible size of a section_offsets table. */
+
+#define SIZEOF_SECTION_OFFSETS \
+ (sizeof (struct section_offsets) \
+ + sizeof (((struct section_offsets *) 0)->offsets) * (SECT_OFF_MAX-1))
+
+
/* Each source file or header is represented by a struct symtab.
These objects are chained through the `next' field. */
struct linetable *linetable;
/* Section in objfile->section_offsets for the blockvector and
- the linetable. */
+ the linetable. Probably always SECT_OFF_TEXT. */
int block_line_section;
Note that this macro is g++ specific (FIXME). */
#define OPNAME_PREFIX_P(NAME) \
- ((NAME)[0] == 'o' && (NAME)[1] == 'p' && (NAME)[2] == CPLUS_MARKER)
+ ((NAME)[0] == 'o' && (NAME)[1] == 'p' && is_cplus_marker ((NAME)[2]))
/* Macro that yields non-zero value iff NAME is the prefix for C++ vtbl
- names. Note that this macro is g++ specific (FIXME). */
+ names. Note that this macro is g++ specific (FIXME).
+ '_vt$' is the old cfront-style vtables; '_VT$' is the new
+ style, using thunks (where '$' is really CPLUS_MARKER). */
#define VTBL_PREFIX_P(NAME) \
- ((NAME)[3] == CPLUS_MARKER && !strncmp ((NAME), "_vt", 3))
+ ((NAME)[0] == '_' \
+ && (((NAME)[1] == 'V' && (NAME)[2] == 'T') \
+ || ((NAME)[1] == 'v' && (NAME)[2] == 't')) \
+ && is_cplus_marker ((NAME)[3]))
/* Macro that yields non-zero value iff NAME is the prefix for C++ destructor
names. Note that this macro is g++ specific (FIXME). */
#define DESTRUCTOR_PREFIX_P(NAME) \
- ((NAME)[0] == '_' && (NAME)[1] == CPLUS_MARKER && (NAME)[2] == '_')
+ ((NAME)[0] == '_' && is_cplus_marker ((NAME)[1]) && (NAME)[2] == '_')
\f
/* External variables and functions for the objects described above. */
extern struct objfile *current_objfile;
+/* True if we are nested inside psymtab_to_symtab. */
+
+extern int currently_reading_symtab;
+
+/* From utils.c. */
+extern int demangle;
+extern int asm_demangle;
+
extern struct symtab *
lookup_symtab PARAMS ((char *));
extern struct symbol *
lookup_symbol PARAMS ((const char *, const struct block *,
- const enum namespace, int *, struct symtab **));
+ const namespace_enum, int *, struct symtab **));
extern struct symbol *
lookup_block_symbol PARAMS ((const struct block *, const char *,
- const enum namespace));
+ const namespace_enum));
extern struct type *
lookup_struct PARAMS ((char *, struct block *));
enum minimal_symbol_type,
struct objfile *));
-extern void prim_record_minimal_symbol_and_info
+extern struct minimal_symbol *prim_record_minimal_symbol_and_info
PARAMS ((const char *, CORE_ADDR,
enum minimal_symbol_type,
char *info, int section,
struct objfile *));
+#ifdef SOFUN_ADDRESS_MAYBE_MISSING
+extern CORE_ADDR find_stab_function_addr PARAMS ((char *,
+ struct partial_symtab *,
+ struct objfile *));
+#endif
+
extern struct minimal_symbol *
-lookup_minimal_symbol PARAMS ((const char *, struct objfile *));
+lookup_minimal_symbol PARAMS ((const char *, const char *, struct objfile *));
+
+extern struct minimal_symbol *
+lookup_minimal_symbol_text PARAMS ((const char *, const char *, struct objfile *));
+
+struct minimal_symbol *
+lookup_minimal_symbol_solib_trampoline PARAMS ((const char *,
+ const char *,
+ struct objfile *));
extern struct minimal_symbol *
lookup_minimal_symbol_by_pc PARAMS ((CORE_ADDR));
extern void
install_minimal_symbols PARAMS ((struct objfile *));
+/* Sort all the minimal symbols in OBJFILE. */
+
+extern void msymbols_sort PARAMS ((struct objfile *objfile));
+
struct symtab_and_line
{
struct symtab *symtab;
/* source.c */
-extern int frame_file_full_name; /* in stack.c */
-
extern int
identify_source_line PARAMS ((struct symtab *, int, int, CORE_ADDR));
extern enum language
deduce_language_from_filename PARAMS ((char *));
+/* symtab.c */
+
+extern int
+in_prologue PARAMS ((CORE_ADDR pc, CORE_ADDR func_start));
+
#endif /* !defined(SYMTAB_H) */
projects / deliverable / binutils-gdb.git / blobdiff