/* Definitions for reading symbol files into GDB.
- Copyright (C) 1990, 1991, 1992 Free Software Foundation, Inc.
+ Copyright (C) 1990, 1991, 1992, 1993, 1994, 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 (SYMFILE_H)
#define SYMFILE_H
/* This file requires that you first include "bfd.h". */
+/* Partial symbols are stored in the psymbol_cache and pointers to them
+ are kept in a dynamically grown array that is obtained from malloc and
+ grown as necessary via realloc. Each objfile typically has two of these,
+ one for global symbols and one for static symbols. Although this adds
+ a level of indirection for storing or accessing the partial symbols,
+ it allows us to throw away duplicate psymbols and set all pointers
+ to the single saved instance. */
+
struct psymbol_allocation_list {
- struct partial_symbol *list;
- struct partial_symbol *next;
+
+ /* Pointer to beginning of dynamically allocated array of pointers to
+ partial symbols. The array is dynamically expanded as necessary to
+ accommodate more pointers. */
+
+ struct partial_symbol **list;
+
+ /* Pointer to next available slot in which to store a pointer to a partial
+ symbol. */
+
+ struct partial_symbol **next;
+
+ /* Number of allocated pointer slots in current dynamic array (not the
+ number of bytes of storage). The "next" pointer will always point
+ somewhere between list[0] and list[size], and when at list[size] the
+ array will be expanded on the next attempt to store a pointer. */
+
int size;
};
struct sym_fns {
- /* is the name, or name prefix, of the BFD "target type" that this
- set of functions handles. E.g. "a.out" or "sunOs" or "coff" or "elf". */
-
- char *sym_name;
-
- /* counts how many bytes of sym_name should be checked against the
- BFD target type of the file being read. If an exact match is
- desired, specify the number of characters in sym_name plus 1 for the
- NUL. If a prefix match is desired, specify the number of characters in
- sym_name. */
+ /* BFD flavour that we handle, or (as a special kludge, see xcoffread.c,
+ (enum bfd_flavour)-1 for xcoff). */
- int sym_namelen;
+ enum bfd_flavour sym_flavour;
/* Initializes anything that is global to the entire symbol table. It is
called during symbol_file_add, when we begin debugging an entirely new
};
+/* The default version of sym_fns.sym_offsets for readers that don't
+ do anything special. */
+
+extern struct section_offsets *
+default_symfile_offsets PARAMS ((struct objfile *objfile, CORE_ADDR addr));
+
+
extern void
extend_psymbol_list PARAMS ((struct psymbol_allocation_list *,
struct objfile *));
/* Add any kind of symbol to a psymbol_allocation_list. */
-#define ADD_PSYMBOL_VT_TO_LIST(NAME,NAMELENGTH,NAMESPACE,CLASS,LIST,VALUE,VT) \
- do { \
- register struct partial_symbol *psym; \
- if ((LIST).next >= (LIST).list + (LIST).size) \
- extend_psymbol_list (&(LIST),objfile); \
- psym = (LIST).next++; \
- \
- SYMBOL_NAME (psym) = (char *) obstack_alloc (&objfile->psymbol_obstack, \
- (NAMELENGTH) + 1); \
- memcpy (SYMBOL_NAME (psym), (NAME), (NAMELENGTH)); \
- SYMBOL_NAME (psym)[(NAMELENGTH)] = '\0'; \
- SYMBOL_NAMESPACE (psym) = (NAMESPACE); \
- SYMBOL_CLASS (psym) = (CLASS); \
- VT (psym) = (VALUE); \
- } while (0);
-
-#ifdef DEBUG
-
-/* Since one arg is a struct, we have to pass in a ptr and deref it (sigh) */
-
-#define ADD_PSYMBOL_TO_LIST(name, namelength, namespace, class, list, value) \
- add_psymbol_to_list (name, namelength, namespace, class, &list, value)
-
-#define ADD_PSYMBOL_ADDR_TO_LIST(name, namelength, namespace, class, list, value) \
- add_psymbol_addr_to_list (name, namelength, namespace, class, &list, value)
-
-#else /* !DEBUG */
+/* #include "demangle.h" */
-/* Add a symbol with an integer value to a psymtab. */
-
-#define ADD_PSYMBOL_TO_LIST(name, namelength, namespace, class, list, value) \
- ADD_PSYMBOL_VT_TO_LIST (name, namelength, namespace, class, list, value, SYMBOL_VALUE)
-
-/* Add a symbol with a CORE_ADDR value to a psymtab. */
-
-#define ADD_PSYMBOL_ADDR_TO_LIST(name, namelength, namespace, class, list, value)\
- ADD_PSYMBOL_VT_TO_LIST (name, namelength, namespace, class, list, value, SYMBOL_VALUE_ADDRESS)
-
-#endif /* DEBUG */
+extern void
+add_psymbol_to_list PARAMS ((char *, int, namespace_enum, enum address_class,
+ struct psymbol_allocation_list *, long, CORE_ADDR,
+ enum language, struct objfile *));
- /* Functions */
+extern void init_psymbol_list PARAMS ((struct objfile *, int));
extern void
sort_pst_symbols PARAMS ((struct partial_symtab *));
extern struct partial_symtab *
start_psymtab_common PARAMS ((struct objfile *, struct section_offsets *,
char *, CORE_ADDR,
- struct partial_symbol *,
- struct partial_symbol *));
+ struct partial_symbol **,
+ struct partial_symbol **));
/* Sorting your symbols for fast lookup or alphabetical printing. */
extern void
sort_symtab_syms PARAMS ((struct symtab *));
-extern void
-sort_all_symtab_syms PARAMS ((void));
-
/* Make a copy of the string at PTR with SIZE characters in the symbol obstack
(and add a null character at the end in the copy).
Returns the address of the copy. */
/* Variables */
+/* whether to auto load solibs at startup time: 0/1. */
+
+extern int auto_solib_add;
+
/* From symfile.c */
extern struct partial_symtab *
allocate_psymtab PARAMS ((char *, struct objfile *));
+extern void find_lowest_section PARAMS ((bfd *, asection *, PTR));
+
+/* Remote targets may wish to use this as their load function. */
+extern void generic_load PARAMS ((char *name, int from_tty));
+
/* From dwarfread.c */
extern void
dwarf_build_psymtabs PARAMS ((struct objfile *, struct section_offsets *, int,
file_ptr, unsigned int, file_ptr, unsigned int));
-/* From dbxread.c */
+/* From dwarf2read.c */
+
+extern int dwarf2_has_info PARAMS ((bfd *abfd));
+
+extern void dwarf2_build_psymtabs PARAMS ((struct objfile *,
+ struct section_offsets *,
+ int));
+/* From mdebugread.c */
+
+/* Hack to force structures to exist before use in parameter list. */
+struct ecoff_debug_hack
+{
+ struct ecoff_debug_swap *a;
+ struct ecoff_debug_info *b;
+};
+extern void
+mdebug_build_psymtabs PARAMS ((struct objfile *,
+ const struct ecoff_debug_swap *,
+ struct ecoff_debug_info *,
+ struct section_offsets *));
extern void
-elfstab_build_psymtabs PARAMS ((struct objfile *objfile,
- struct section_offsets *section_offsets,
- int mainline,
- file_ptr staboff, unsigned int stabsize,
- file_ptr stabstroffset, unsigned int stabstrsize));
+elfmdebug_build_psymtabs PARAMS ((struct objfile *,
+ const struct ecoff_debug_swap *,
+ asection *,
+ struct section_offsets *));
/* From demangle.c */
projects / deliverable / binutils-gdb.git / blobdiff