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+/* Definitions for reading symbol files into GDB.
+ Copyright (C) 1990, 1991, 1992 Free Software Foundation, Inc.
+
+This file is part of GDB.
+
+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 2 of the License, or
+(at your option) any later version.
+
+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 this program; if not, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#if !defined (SYMFILE_H)
+#define SYMFILE_H
+
+/* This file requires that you first include "bfd.h". */
+
+struct psymbol_allocation_list {
+ struct partial_symbol *list;
+ struct partial_symbol *next;
+ int size;
+};
+
+/* Structure to keep track of symbol reading functions for various
+ object file types. */
+
+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 '\0'. If a prefix match is desired, specify the number of
+ characters in sym_name. */
+
+ int sym_namelen;
+
+ /* Initializes anything that is global to the entire symbol table. It is
+ called during symbol_file_add, when we begin debugging an entirely new
+ program. */
+
+ void (*sym_new_init) PARAMS ((struct objfile *));
+
+ /* Reads any initial information from a symbol file, and initializes the
+ struct sym_fns SF in preparation for sym_read(). It is called every
+ time we read a symbol file for any reason. */
+
+ void (*sym_init) PARAMS ((struct objfile *));
+
+ /* sym_read (objfile, addr, mainline)
+ Reads a symbol file into a psymtab (or possibly a symtab).
+ OBJFILE is the objfile struct for the file we are reading.
+ SECTION_OFFSETS
+ are the offset between the file's specified section addresses and
+ their true addresses in memory.
+ MAINLINE is 1 if this is the
+ main symbol table being read, and 0 if a secondary
+ symbol file (e.g. shared library or dynamically loaded file)
+ is being read. */
+
+ void (*sym_read) PARAMS ((struct objfile *, struct section_offsets *, int));
+
+ /* Called when we are finished with an objfile. Should do all cleanup
+ that is specific to the object file format for the particular objfile. */
+
+ void (*sym_finish) PARAMS ((struct objfile *));
+
+ /* This function produces a file-dependent section_offsets structure,
+ allocated in the objfile's storage, and based on the parameter.
+ The parameter is currently a CORE_ADDR (FIXME!) for backward compatibility
+ with the higher levels of GDB. It should probably be changed to
+ a string, where NULL means the default, and others are parsed in a file
+ dependent way. The result of this function is handed in to sym_read. */
+
+ struct section_offsets *(*sym_offsets) PARAMS ((struct objfile *, CORE_ADDR));
+
+ /* Finds the next struct sym_fns. They are allocated and initialized
+ in whatever module implements the functions pointed to; an
+ initializer calls add_symtab_fns to add them to the global chain. */
+
+ struct sym_fns *next;
+
+};
+
+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
+#define INLINE_ADD_PSYMBOL 1
+#endif
+
+#if !INLINE_ADD_PSYMBOL
+
+/* 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, 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 */
+
+#include "demangle.h"
+
+#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); \
+ PSYMBOL_CLASS (psym) = (CLASS); \
+ VT (psym) = (VALUE); \
+ SYMBOL_LANGUAGE (psym) = (LANGUAGE); \
+ SYMBOL_INIT_DEMANGLED_NAME (psym, &objfile->psymbol_obstack); \
+ } 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 */
+
+ /* Functions */
+
+extern void
+sort_pst_symbols PARAMS ((struct partial_symtab *));
+
+extern struct symtab *
+allocate_symtab PARAMS ((char *, struct objfile *));
+
+extern int
+free_named_symtabs PARAMS ((char *));
+
+extern void
+fill_in_vptr_fieldno PARAMS ((struct type *));
+
+extern void
+add_symtab_fns PARAMS ((struct sym_fns *));
+
+extern void
+init_entry_point_info PARAMS ((struct objfile *));
+
+extern void
+syms_from_objfile PARAMS ((struct objfile *, CORE_ADDR, int, int));
+
+extern void
+new_symfile_objfile PARAMS ((struct objfile *, int, int));
+
+extern struct partial_symtab *
+start_psymtab_common PARAMS ((struct objfile *, struct section_offsets *,
+ char *, CORE_ADDR,
+ struct partial_symbol *,
+ struct partial_symbol *));
+
+/* Sorting your symbols for fast lookup or alphabetical printing. */
+
+extern void
+sort_block_syms PARAMS ((struct block *));
+
+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. */
+
+extern char *
+obsavestring PARAMS ((char *, int, struct obstack *));
+
+/* Concatenate strings S1, S2 and S3; return the new string.
+ Space is found in the symbol_obstack. */
+
+extern char *
+obconcat PARAMS ((struct obstack *obstackp, const char *, const char *,
+ const char *));
+
+ /* Variables */
+
+/* From symfile.c */
+
+extern struct partial_symtab *
+allocate_psymtab PARAMS ((char *, struct objfile *));
+
+/* 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 demangle.c */
+
+extern void
+set_demangling_style PARAMS ((char *));
+
+#endif /* !defined(SYMFILE_H) */