/* Definitions for reading symbol files into GDB.
- Copyright (C) 1990 Free Software Foundation, Inc.
+ Copyright (C) 1990, 1991, 1992 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 (SYMFILE_H)
+#define SYMFILE_H
/* This file requires that you first include "bfd.h". */
-/* Data structures and function definitions for dealing with
- symbol table reading from files. */
+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 {
- /* sym_name
- 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". */
+ /* 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;
- /* sym_namelen
- counts how many bytes of sym_name should be checked against the
+ /* 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. */
+ desired, specify the number of characters in sym_name plus 1 for
+ the NULL. If a prefix match is desired, specify the number of
+ characters in sym_name. */
int sym_namelen;
- /* sym_new_init
- initializes anything that is global to the entire
- symbol table. It is called e.g. during symbol_file_command, when
- we begin debugging an entirely new program. */
+ /* 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) ();
+ void (*sym_new_init) PARAMS ((struct objfile *));
- /* sym_init (sf)
- 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. */
+ /* 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) ();
+ void (*sym_init) PARAMS ((struct objfile *));
- /* sym_read (sf, addr, mainline)
- reads a symbol file into a psymtab (or possibly a symtab).
- SF is the struct sym_fns that sym_init initialized. ADDR
- is the offset between the file's specified start address and
- its true address in memory. MAINLINE is 1 if this is the
+ /* 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) ();
-
- /* sym_discard (sf)
- discards any cached information from SF or elsewhere, that
- was saved as part of reading a single symbol file. */
-
- void (*sym_discard) ();
+ void (*sym_read) PARAMS ((struct objfile *, struct section_offsets *, int));
- /* sym_bfd
- is the accessor for the symbol file being read. */
+ /* 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 *));
- bfd *sym_bfd;
+ /* 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. */
- /* sym_private
- is where information can be shared among sym_init, sym_read and
- sym_discard. It is typically a pointer to malloc'd memory. */
+ struct section_offsets *(*sym_offsets) PARAMS ((struct objfile *, CORE_ADDR));
- char *sym_private; /* Should be void * */
-
- /* next
- finds the next struct sym_fns. They are allocated and initialized
+ /* 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; \
+ register char *demangled_name; \
+ 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 free_named_symtab ();
-extern int fill_in_vptr_fieldno ();
-extern void add_symtab_fns ();
+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 *));
-/* Functions for dealing with the misc "function" vector, really a misc
- address<->symbol mapping vector for things we don't have debug symbols
- for. */
+extern void
+fill_in_vptr_fieldno PARAMS ((struct type *));
-extern void init_misc_bunches ();
-extern void prim_record_misc_function ();
-extern void discard_misc_bunches ();
-extern void condense_misc_bunches ();
+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 ();
-extern void sort_symtab_syms ();
-extern void sort_all_symtab_syms ();
-extern void sort_block_syms ();
+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 ();
+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 ();
+extern char *
+obconcat PARAMS ((struct obstack *obstackp, const char *, const char *,
+ const char *));
/* Variables */
-/* File name symbols were loaded from. */
-
-extern char *symfile;
-
-/* The modification date of the file when they were loaded. */
+/* From symfile.c */
-extern int symfile_mtime;
+extern struct partial_symtab *
+allocate_psymtab PARAMS ((char *, struct objfile *));
-/* The BFD for this file -- only good while we're actively reading
- symbols into a psymtab or a symtab. */
+/* From dwarfread.c */
-static bfd *symfile_bfd;
+extern void
+dwarf_build_psymtabs PARAMS ((struct objfile *, struct section_offsets *, int,
+ file_ptr, unsigned int, file_ptr, unsigned int));
-/* Vectors of all partial symbols read in from file. */
-
-extern struct psymbol_allocation_list {
- struct partial_symbol *list, *next;
- int size;
-} global_psymbols, static_psymbols;
-
-/* Support for complaining about things in the symbol file that aren't
- catastrophic.
-
- Each such thing gets a counter. The first time we have the problem,
- during a symbol read, we report it. At the end of symbol reading,
- if verbose, we report how many of each problem we had. */
-
-struct complaint {
- char *message;
- unsigned counter;
- struct complaint *next;
-};
+/* From dbxread.c */
-/* Root of the chain of complaints that have at some point been issued.
- This is used to reset the counters, and/or report the total counts. */
+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));
-extern struct complaint complaint_root[1];
+/* From demangle.c */
-/* Functions that handle complaints. (in symfile.c) */
+extern void
+set_demangling_style PARAMS ((char *));
-int complain();
-void clear_complaints();
+#endif /* !defined(SYMFILE_H) */
projects / binutils.git / blobdiff