/* 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;
};
};
+/* 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. */
-#ifndef INLINE_ADD_PSYMBOL
-/* Default this to off for now, and probably eventually remove support for inlining via
- macros. Real world tests show no performance improvements by inlining, and the macros
- just make debugging gdb more complicated and make gdb larger by up to 150 Kb. */
-#define INLINE_ADD_PSYMBOL 0
-#endif
-
-#include "demangle.h"
-
-#if !INLINE_ADD_PSYMBOL
-
-/* Since one arg is a struct, we have to pass in a ptr and deref it (sigh) */
+/* #include "demangle.h" */
-#define ADD_PSYMBOL_TO_LIST(name, namelength, namespace, class, list, value, language, objfile) \
- add_psymbol_to_list (name, namelength, namespace, class, &list, value, language, objfile)
-
-#define ADD_PSYMBOL_ADDR_TO_LIST(name, namelength, namespace, class, list, value, language, objfile) \
- add_psymbol_addr_to_list (name, namelength, namespace, class, &list, value, language, objfile)
-
-#else /* !INLINE_ADD_PSYMBOL */
-
-#define ADD_PSYMBOL_VT_TO_LIST(NAME,NAMELENGTH,NAMESPACE,CLASS,LIST,VALUE,VT,LANGUAGE, OBJFILE) \
- 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_SECTION (psym) = 0; \
- PSYMBOL_CLASS (psym) = (CLASS); \
- VT (psym) = (VALUE); \
- SYMBOL_LANGUAGE (psym) = (LANGUAGE); \
- SYMBOL_INIT_LANGUAGE_SPECIFIC (psym, LANGUAGE); \
- OBJSTAT (objfile, n_psyms++); \
- } while (0)
-
-/* Add a symbol with an integer value to a psymtab. */
-
-#define ADD_PSYMBOL_TO_LIST(name, namelength, namespace, class, list, value, language, objfile) \
- ADD_PSYMBOL_VT_TO_LIST (name, namelength, namespace, class, list, value, SYMBOL_VALUE, language, objfile)
-
-/* Add a symbol with a CORE_ADDR value to a psymtab. */
-
-#define ADD_PSYMBOL_ADDR_TO_LIST(name, namelength, namespace, class, list, value, language, objfile)\
- ADD_PSYMBOL_VT_TO_LIST (name, namelength, namespace, class, list, value, SYMBOL_VALUE_ADDRESS, language, objfile)
-
-#endif /* INLINE_ADD_PSYMBOL */
+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 *));
extern void init_psymbol_list PARAMS ((struct objfile *, int));
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 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));
dwarf_build_psymtabs PARAMS ((struct objfile *, struct section_offsets *, int,
file_ptr, unsigned int, file_ptr, unsigned int));
+/* 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. */