/* Support routines for building symbol tables in GDB's internal format.
- Copyright 1986-1999 Free Software Foundation, Inc.
+ Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
+ 1996, 1997, 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
-This file is part of GDB.
+ 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 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.
+ 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ 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., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
/* This module provides subroutines used for creating and adding to
the symbol table. These routines are called from various symbol-
#include "gdbtypes.h"
#include "complaints.h"
#include "gdb_string.h"
-
+#include "expression.h" /* For "enum exp_opcode" used by... */
+#include "language.h" /* For "local_hex_string" */
+#include "bcache.h"
+#include "filenames.h" /* For DOSish file names */
+#include "macrotab.h"
/* Ask buildsym.h to define the vars it normally declares `extern'. */
-#define EXTERN /**/
+#define EXTERN
+/**/
#include "buildsym.h" /* Our own declarations */
#undef EXTERN
static int have_line_numbers;
\f
-static int
-compare_line_numbers PARAMS ((const void *, const void *));
+static int compare_line_numbers (const void *ln1p, const void *ln2p);
\f
/* Initial sizes of data structures. These are realloc'd larger if
{"inner block (0x%lx-0x%lx) not inside outer block (0x%lx-0x%lx)", 0, 0};
struct complaint blockvector_complaint =
-{"block at 0x%lx out of order", 0, 0};
+{"block at %s out of order", 0, 0};
\f
/* maintain the lists of symbols and blocks */
+/* Add a pending list to free_pendings. */
+void
+add_free_pendings (struct pending *list)
+{
+ register struct pending *link = list;
+
+ if (list)
+ {
+ while (link->next) link = link->next;
+ link->next = free_pendings;
+ free_pendings = list;
+ }
+}
+
/* Add a symbol to one of the lists of symbols. */
void
-add_symbol_to_list (symbol, listhead)
- struct symbol *symbol;
- struct pending **listhead;
+add_symbol_to_list (struct symbol *symbol, struct pending **listhead)
{
register struct pending *link;
'\0'-terminated; LENGTH is the length of the name. */
struct symbol *
-find_symbol_in_list (list, name, length)
- struct pending *list;
- char *name;
- int length;
+find_symbol_in_list (struct pending *list, char *name, int length)
{
int j;
char *pp;
/* ARGSUSED */
void
-really_free_pendings (foo)
- int foo;
+really_free_pendings (PTR dummy)
{
struct pending *next, *next1;
for (next = free_pendings; next; next = next1)
{
next1 = next->next;
- free ((PTR) next);
+ xfree ((void *) next);
}
free_pendings = NULL;
for (next = file_symbols; next != NULL; next = next1)
{
next1 = next->next;
- free ((PTR) next);
+ xfree ((void *) next);
}
file_symbols = NULL;
for (next = global_symbols; next != NULL; next = next1)
{
next1 = next->next;
- free ((PTR) next);
+ xfree ((void *) next);
}
global_symbols = NULL;
+
+ if (pending_macros)
+ free_macro_table (pending_macros);
}
/* This function is called to discard any pending blocks. */
void
-free_pending_blocks ()
+free_pending_blocks (void)
{
#if 0 /* Now we make the links in the
symbol_obstack, so don't free
for (bnext = pending_blocks; bnext; bnext = bnext1)
{
bnext1 = bnext->next;
- free ((PTR) bnext);
+ xfree ((void *) bnext);
}
#endif
pending_blocks = NULL;
file). Put the block on the list of pending blocks. */
void
-finish_block (symbol, listhead, old_blocks, start, end, objfile)
- struct symbol *symbol;
- struct pending **listhead;
- struct pending_block *old_blocks;
- CORE_ADDR start, end;
- struct objfile *objfile;
+finish_block (struct symbol *symbol, struct pending **listhead,
+ struct pending_block *old_blocks,
+ CORE_ADDR start, CORE_ADDR end,
+ struct objfile *objfile)
{
register struct pending *next, *next1;
register struct block *block;
}
block = (struct block *) obstack_alloc (&objfile->symbol_obstack,
- (sizeof (struct block) + ((i - 1) * sizeof (struct symbol *))));
+ (sizeof (struct block) + ((i - 1) * sizeof (struct symbol *))));
/* Copy the symbols into the block. */
parameter symbols. */
int nparams = 0, iparams;
struct symbol *sym;
- for (i = 0; i < BLOCK_NSYMS (block); i++)
+ ALL_BLOCK_SYMBOLS (block, i, sym)
{
- sym = BLOCK_SYM (block, i);
switch (SYMBOL_CLASS (sym))
{
case LOC_ARG:
case LOC_BASEREG_ARG:
case LOC_LOCAL_ARG:
TYPE_FIELD_TYPE (ftype, iparams) = SYMBOL_TYPE (sym);
+ TYPE_FIELD_ARTIFICIAL (ftype, iparams) = 0;
iparams++;
break;
case LOC_UNDEF:
else
{
complain (&innerblock_anon_complaint, BLOCK_START (pblock->block),
- BLOCK_END (pblock->block), BLOCK_START (block),
+ BLOCK_END (pblock->block), BLOCK_START (block),
BLOCK_END (block));
}
if (BLOCK_START (pblock->block) < BLOCK_START (block))
time. This wastes a little space. FIXME: Is it worth it? */
void
-record_pending_block (objfile, block, opblock)
- struct objfile *objfile;
- struct block *block;
- struct pending_block *opblock;
+record_pending_block (struct objfile *objfile, struct block *block,
+ struct pending_block *opblock)
{
register struct pending_block *pblock;
that is done, it can be made static again. */
struct blockvector *
-make_blockvector (objfile)
- struct objfile *objfile;
+make_blockvector (struct objfile *objfile)
{
register struct pending_block *next;
register struct blockvector *blockvector;
for (next = pending_blocks; next; next = next1)
{
next1 = next->next;
- free (next);
+ xfree (next);
}
#endif
pending_blocks = NULL;
if (BLOCK_START (BLOCKVECTOR_BLOCK (blockvector, i - 1))
> BLOCK_START (BLOCKVECTOR_BLOCK (blockvector, i)))
{
-
- /* FIXME-32x64: loses if CORE_ADDR doesn't fit in a
- long. Possible solutions include a version of
- complain which takes a callback, a
- sprintf_address_numeric to match
- print_address_numeric, or a way to set up a GDB_FILE
- which causes sprintf rather than fprintf to be
- called. */
+ CORE_ADDR start
+ = BLOCK_START (BLOCKVECTOR_BLOCK (blockvector, i));
complain (&blockvector_complaint,
- (unsigned long) BLOCK_START (BLOCKVECTOR_BLOCK (blockvector, i)));
+ local_hex_string ((LONGEST) start));
}
}
}
the directory in which it resides (or NULL if not known). */
void
-start_subfile (name, dirname)
- char *name;
- char *dirname;
+start_subfile (char *name, char *dirname)
{
register struct subfile *subfile;
for (subfile = subfiles; subfile; subfile = subfile->next)
{
- if (STREQ (subfile->name, name))
+ if (FILENAME_CMP (subfile->name, name) == 0)
{
current_subfile = subfile;
return;
source file. */
subfile = (struct subfile *) xmalloc (sizeof (struct subfile));
+ memset ((char *) subfile, 0, sizeof (struct subfile));
subfile->next = subfiles;
subfiles = subfile;
current_subfile = subfile;
program. But to demangle we need to set the language to C++. We
can distinguish cfront code by the fact that it has #line
directives which specify a file name ending in .C.
-
+
So if the filename of this subfile ends in .C, then change the
language of any pending subfiles from C to C++. We also accept
any other C++ suffixes accepted by deduce_language_from_filename
directory name actually is (by checking for a trailing '/'). */
void
-patch_subfile_names (subfile, name)
- struct subfile *subfile;
- char *name;
+patch_subfile_names (struct subfile *subfile, char *name)
{
if (subfile != NULL && subfile->dirname == NULL && subfile->name != NULL
&& subfile->name[strlen (subfile->name) - 1] == '/')
order. */
void
-push_subfile ()
+push_subfile (void)
{
register struct subfile_stack *tem
= (struct subfile_stack *) xmalloc (sizeof (struct subfile_stack));
subfile_stack = tem;
if (current_subfile == NULL || current_subfile->name == NULL)
{
- abort ();
+ internal_error (__FILE__, __LINE__, "failed internal consistency check");
}
tem->name = current_subfile->name;
}
char *
-pop_subfile ()
+pop_subfile (void)
{
register char *name;
register struct subfile_stack *link = subfile_stack;
if (link == NULL)
{
- abort ();
+ internal_error (__FILE__, __LINE__, "failed internal consistency check");
}
name = link->name;
subfile_stack = link->next;
- free ((PTR) link);
+ xfree ((void *) link);
return (name);
}
\f
line vector for SUBFILE. */
void
-record_line (subfile, line, pc)
- register struct subfile *subfile;
- int line;
- CORE_ADDR pc;
+record_line (register struct subfile *subfile, int line, CORE_ADDR pc)
{
struct linetable_entry *e;
/* Ignore the dummy line number in libg.o */
subfile->line_vector_length = INITIAL_LINE_VECTOR_LENGTH;
subfile->line_vector = (struct linetable *)
xmalloc (sizeof (struct linetable)
- + subfile->line_vector_length * sizeof (struct linetable_entry));
+ + subfile->line_vector_length * sizeof (struct linetable_entry));
subfile->line_vector->nitems = 0;
have_line_numbers = 1;
}
e = subfile->line_vector->item + subfile->line_vector->nitems++;
e->line = line;
- e->pc = pc;
+ e->pc = ADDR_BITS_REMOVE(pc);
}
/* Needed in order to sort line tables from IBM xcoff files. Sigh! */
static int
-compare_line_numbers (ln1p, ln2p)
- const void *ln1p;
- const void *ln2p;
+compare_line_numbers (const void *ln1p, const void *ln2p)
{
struct linetable_entry *ln1 = (struct linetable_entry *) ln1p;
struct linetable_entry *ln2 = (struct linetable_entry *) ln2p;
one original source file. */
void
-start_symtab (name, dirname, start_addr)
- char *name;
- char *dirname;
- CORE_ADDR start_addr;
+start_symtab (char *name, char *dirname, CORE_ADDR start_addr)
{
last_source_file = name;
never know about this empty file (FIXME). */
struct symtab *
-end_symtab (end_addr, objfile, section)
- CORE_ADDR end_addr;
- struct objfile *objfile;
- int section;
+end_symtab (CORE_ADDR end_addr, struct objfile *objfile, int section)
{
register struct symtab *symtab = NULL;
register struct blockvector *blockvector;
/* Cleanup any undefined types that have been left hanging around
(this needs to be done before the finish_blocks so that
file_symbols is still good).
-
+
Both cleanup_undefined_types and finish_global_stabs are stabs
specific, but harmless for other symbol readers, since on gdb
startup or when finished reading stabs, the state is set so these
if (pending_blocks == NULL
&& file_symbols == NULL
&& global_symbols == NULL
- && have_line_numbers == 0)
+ && have_line_numbers == 0
+ && pending_macros == NULL)
{
/* Ignore symtabs that have no functions with real debugging
info. */
if (objfile->flags & OBJF_REORDERED)
qsort (subfile->line_vector->item,
subfile->line_vector->nitems,
- sizeof (struct linetable_entry), compare_line_numbers);
+ sizeof (struct linetable_entry), compare_line_numbers);
}
/* Now, allocate a symbol table. */
/* Fill in its components. */
symtab->blockvector = blockvector;
+ symtab->macro_table = pending_macros;
if (subfile->line_vector)
{
/* Reallocate the line table on the symbol obstack */
if (subfile->debugformat != NULL)
{
symtab->debugformat = obsavestring (subfile->debugformat,
- strlen (subfile->debugformat),
- &objfile->symbol_obstack);
+ strlen (subfile->debugformat),
+ &objfile->symbol_obstack);
}
/* All symtabs for the main file and the subfiles share a
}
if (subfile->name != NULL)
{
- free ((PTR) subfile->name);
+ xfree ((void *) subfile->name);
}
if (subfile->dirname != NULL)
{
- free ((PTR) subfile->dirname);
+ xfree ((void *) subfile->dirname);
}
if (subfile->line_vector != NULL)
{
- free ((PTR) subfile->line_vector);
+ xfree ((void *) subfile->line_vector);
}
if (subfile->debugformat != NULL)
{
- free ((PTR) subfile->debugformat);
+ xfree ((void *) subfile->debugformat);
}
nextsub = subfile->next;
- free ((PTR) subfile);
+ xfree ((void *) subfile);
}
/* Set this for the main source file. */
last_source_file = NULL;
current_subfile = NULL;
+ pending_macros = NULL;
return symtab;
}
context. */
struct context_stack *
-push_context (desc, valu)
- int desc;
- CORE_ADDR valu;
+push_context (int desc, CORE_ADDR valu)
{
register struct context_stack *new;
context_stack_size *= 2;
context_stack = (struct context_stack *)
xrealloc ((char *) context_stack,
- (context_stack_size * sizeof (struct context_stack)));
+ (context_stack_size * sizeof (struct context_stack)));
}
new = &context_stack[context_stack_depth++];
return new;
}
\f
+
/* Compute a small integer hash code for the given name. */
int
-hashname (name)
- char *name;
+hashname (char *name)
{
- register char *p = name;
- register int total = p[0];
- register int c;
-
- c = p[1];
- total += c << 2;
- if (c)
- {
- c = p[2];
- total += c << 4;
- if (c)
- {
- total += p[3] << 6;
- }
- }
-
- /* Ensure result is positive. */
- if (total < 0)
- {
- total += (1000 << 6);
- }
- return (total % HASHSIZE);
+ return (hash(name,strlen(name)) % HASHSIZE);
}
\f
void
-record_debugformat (format)
- char *format;
+record_debugformat (char *format)
{
current_subfile->debugformat = savestring (format, strlen (format));
}
Void return. */
void
-merge_symbol_lists (srclist, targetlist)
- struct pending **srclist;
- struct pending **targetlist;
+merge_symbol_lists (struct pending **srclist, struct pending **targetlist)
{
register int i;
corresponding to a psymtab. */
void
-buildsym_init ()
+buildsym_init (void)
{
free_pendings = NULL;
file_symbols = NULL;
global_symbols = NULL;
pending_blocks = NULL;
+ pending_macros = NULL;
}
/* Initialize anything that needs initializing when a completely new
file, e.g. a shared library). */
void
-buildsym_new_init ()
+buildsym_new_init (void)
{
buildsym_init ();
}