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Oodles of changes. The most important is adding support for stabs

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encapsulated in mips ecoff.  See ChangeLog for the gory details.
This commit is contained in:
Per Bothner
1991-12-23 23:16:58 +00:00
parent 3e60a6b1d3
commit 7e258d18e0
18 changed files with 1645 additions and 1499 deletions
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76
gdb/symfile.h
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@@ -1,5 +1,5 @@
/* Definitions for reading symbol files into GDB.
Copyright (C) 1990 Free Software Foundation, Inc.
Copyright (C) 1990, 1991 Free Software Foundation, Inc.
This file is part of GDB.
@@ -19,8 +19,36 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
/* This file requires that you first include "bfd.h". */
/* Data structures and function definitions for dealing with
symbol table reading from files. */
/* Structure for keeping track of object files.
One of these is allocated for each object file we access, e.g. the
exec_file, symbol_file, and any shared library object files. */
struct objfile {
/* All struct objfile's are chained together by their next pointers. */
struct objfile *next;
/* Each objfile points to a chain of struct symtabs derived from this
object file. They are chained by their objfile_chain pointers, and
each one points back to this struct objfile. */
struct symtab *symtabs;
/* Ditto for psymtabs. */
struct partial_symtab *psymtabs;
/* The object file's name. Malloc'd; free it if you free this struct. */
char *name;
/* The object file's BFD. Can be null, in which case bfd_open (name) and
put the result here. */
bfd *obfd;
/* The modification timestamp of the object file, as of the last time
we read its symbols. */
long mtime;
};
/* Structure to keep track of symbol reading functions for various
object file types. */
@@ -83,14 +111,41 @@ struct sym_fns {
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;
/* objfile
is the "struct objfile" for the object file being read. */
struct objfile *objfile;
};
extern void extend_psymbol_list();
/* 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)); \
psym = (LIST).next++; \
\
SYMBOL_NAME (psym) = (char *) obstack_alloc (psymbol_obstack, \
(NAMELENGTH) + 1); \
strncpy (SYMBOL_NAME (psym), (NAME), (NAMELENGTH)); \
SYMBOL_NAME (psym)[(NAMELENGTH)] = '\0'; \
SYMBOL_NAMESPACE (psym) = (NAMESPACE); \
SYMBOL_CLASS (psym) = (CLASS); \
VT (psym) = (VALUE); \
} while (0);
/* Functions */
extern struct symtab *allocate_symtab ();
extern struct objfile *allocate_objfile ();
extern void free_objfile ();
extern int free_named_symtabs ();
extern void fill_in_vptr_fieldno ();
extern void add_symtab_fns ();
extern void syms_from_objfile ();
/* Functions for dealing with the misc "function" vector, really a misc
address<->symbol mapping vector for things we don't have debug symbols
@@ -121,13 +176,18 @@ extern char *obconcat ();
/* Variables */
/* File name symbols were loaded from. */
/* The object file that the main symbol table was loaded from (e.g. the
argument to the "symbol-file" or "file" command). */
extern char *symfile;
extern struct objfile *symfile_objfile;
/* The modification date of the file when they were loaded. */
/* Where execution starts in symfile */
extern long /* really time_t */ symfile_mtime;
CORE_ADDR entry_point;
/* Root of object file struct chain. */
struct objfile *object_files;
/* Vectors of all partial symbols read in from file. */
@@ -156,5 +216,5 @@ extern struct complaint complaint_root[1];
/* Functions that handle complaints. (in symfile.c) */
int complain();
void complain();
void clear_complaints();