/* Read coff symbol tables and convert to internal format, for GDB.
- Copyright (C) 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
- 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009,
- 2010, 2011 Free Software Foundation, Inc.
+ Copyright (C) 1987-2013 Free Software Foundation, Inc.
Contributed by David D. Johnson, Brown University (ddj@cs.brown.edu).
This file is part of GDB.
extern void _initialize_coffread (void);
+/* Key for COFF-associated data. */
+
+static const struct objfile_data *coff_objfile_data_key;
+
/* The objfile we are currently reading. */
static struct objfile *coffread_objfile;
args.resultp = §
bfd_map_over_sections (abfd, find_targ_sec, &args);
if (sect != NULL)
- addr = bfd_get_section_vma (objfile->obfd, sect);
+ addr = bfd_get_section_vma (abfd, sect);
return addr;
}
static void
complete_symtab (const char *name, CORE_ADDR start_addr, unsigned int size)
{
- if (last_source_file != NULL)
- xfree (last_source_file);
- last_source_file = xstrdup (name);
+ set_last_source_file (name);
current_source_start_addr = start_addr;
current_source_end_addr = start_addr + size;
}
SECT_OFF_TEXT (objfile));
/* Reinitialize for beginning of new file. */
- last_source_file = NULL;
+ set_last_source_file (NULL);
}
\f
static struct minimal_symbol *
static void
coff_symfile_init (struct objfile *objfile)
{
- /* Allocate struct to keep track of stab reading. */
- objfile->deprecated_sym_stab_info = (struct dbx_symfile_info *)
- xmalloc (sizeof (struct dbx_symfile_info));
+ struct dbx_symfile_info *dbx;
+ struct coff_symfile_info *coff;
- memset (objfile->deprecated_sym_stab_info, 0,
- sizeof (struct dbx_symfile_info));
+ /* Allocate struct to keep track of stab reading. */
+ dbx = XCNEW (struct dbx_symfile_info);
+ set_objfile_data (objfile, dbx_objfile_data_key, dbx);
/* Allocate struct to keep track of the symfile. */
- objfile->deprecated_sym_private
- = xmalloc (sizeof (struct coff_symfile_info));
-
- memset (objfile->deprecated_sym_private, 0,
- sizeof (struct coff_symfile_info));
+ coff = XCNEW (struct coff_symfile_info);
+ set_objfile_data (objfile, coff_objfile_data_key, coff);
/* COFF objects may be reordered, so set OBJF_REORDERED. If we
find this causes a significant slowdown in gdb then we could
set it in the debug symbol readers only when necessary. */
objfile->flags |= OBJF_REORDERED;
-
- init_entry_point_info (objfile);
}
/* This function is called for every section; it finds the outer
struct cleanup *back_to, *cleanup_minimal_symbols;
int stabstrsize;
- info = (struct coff_symfile_info *) objfile->deprecated_sym_private;
- dbxinfo = objfile->deprecated_sym_stab_info;
+ info = objfile_data (objfile, coff_objfile_data_key);
+ dbxinfo = DBX_SYMFILE_INFO (objfile);
symfile_bfd = abfd; /* Kludge for swap routines. */
/* WARNING WILL ROBINSON! ACCESSING BFD-PRIVATE DATA HERE! FIXME! */
char *debugfile;
debugfile = find_separate_debug_file_by_debuglink (objfile);
+ make_cleanup (xfree, debugfile);
if (debugfile)
{
bfd *abfd = symfile_bfd_open (debugfile);
+ make_cleanup_bfd_unref (abfd);
symbol_file_add_separate (abfd, symfile_flags, objfile);
- xfree (debugfile);
}
}
static void
coff_symfile_finish (struct objfile *objfile)
{
- if (objfile->deprecated_sym_private != NULL)
- {
- xfree (objfile->deprecated_sym_private);
- }
-
/* Let stabs reader clean up. */
stabsread_clear_cache ();
coffread_objfile = objfile;
nlist_bfd_global = objfile->obfd;
nlist_nsyms_global = nsyms;
- last_source_file = NULL;
+ set_last_source_file (NULL);
memset (opaque_type_chain, 0, sizeof opaque_type_chain);
if (type_vector) /* Get rid of previous one. */
if (cs->c_symnum == next_file_symnum && cs->c_sclass != C_FILE)
{
- if (last_source_file)
+ if (get_last_source_file ())
coff_end_symtab (objfile);
coff_start_symtab ("_globals_");
/* Special case for file with type declarations only, no
text. */
- if (!last_source_file && SDB_TYPE (cs->c_type)
+ if (!get_last_source_file () && SDB_TYPE (cs->c_type)
&& cs->c_secnum == N_DEBUG)
complete_symtab (filestring, 0, 0);
/* Complete symbol table for last object file
containing debugging information. */
- if (last_source_file)
+ if (get_last_source_file ())
{
coff_end_symtab (objfile);
coff_start_symtab (filestring);
cs->c_sclass == C_EXT || cs->c_sclass == C_THUMBEXTFUNC
|| cs->c_sclass == C_THUMBEXT ?
mst_text : mst_file_text;
- tmpaddr = gdbarch_smash_text_address (gdbarch, tmpaddr);
+ tmpaddr = gdbarch_addr_bits_remove (gdbarch, tmpaddr);
}
else if (bfd_section->flags & SEC_ALLOC
&& bfd_section->flags & SEC_LOAD)
read_pe_exported_syms (objfile);
}
- if (last_source_file)
+ if (get_last_source_file ())
coff_end_symtab (objfile);
/* Patch up any opaque types (references to types that are not defined
coff_getfilename (union internal_auxent *aux_entry)
{
static char buffer[BUFSIZ];
- char *temp;
const char *result;
if (aux_entry->x_file.x_n.x_zeroes == 0)
if (TYPE_NAME (real_target))
{
+ /* The previous copy of TYPE_NAME is allocated by
+ process_coff_symbol. */
if (TYPE_NAME (target))
- xfree (TYPE_NAME (target));
- TYPE_NAME (target) = concat (TYPE_NAME (real_target),
- (char *) NULL);
+ xfree ((char*) TYPE_NAME (target));
+ TYPE_NAME (target) = xstrdup (TYPE_NAME (real_target));
}
}
patch_opaque_types (struct symtab *s)
{
struct block *b;
- struct dict_iterator iter;
+ struct block_iterator iter;
struct symbol *real_sym;
/* Go through the per-file symbols only. */
&& TYPE_CODE (SYMBOL_TYPE (real_sym)) == TYPE_CODE_PTR
&& TYPE_LENGTH (TYPE_TARGET_TYPE (SYMBOL_TYPE (real_sym))) != 0)
{
- char *name = SYMBOL_LINKAGE_NAME (real_sym);
+ const char *name = SYMBOL_LINKAGE_NAME (real_sym);
int hash = hashname (name);
struct symbol *sym, *prev;
}
else
TYPE_NAME (SYMBOL_TYPE (sym)) =
- concat (SYMBOL_LINKAGE_NAME (sym), (char *) NULL);
+ xstrdup (SYMBOL_LINKAGE_NAME (sym));
}
/* Keep track of any type which points to empty structured
list = new;
/* Save the data. */
- list->field.name = obsavestring (name, strlen (name),
- &objfile->objfile_obstack);
+ list->field.name = obstack_copy0 (&objfile->objfile_obstack,
+ name, strlen (name));
FIELD_TYPE (list->field) = decode_type (ms, ms->c_type,
&sub_aux, objfile);
SET_FIELD_BITPOS (list->field, 8 * ms->c_value);
list = new;
/* Save the data. */
- list->field.name = obsavestring (name, strlen (name),
- &objfile->objfile_obstack);
+ list->field.name = obstack_copy0 (&objfile->objfile_obstack,
+ name, strlen (name));
FIELD_TYPE (list->field) = decode_type (ms, ms->c_type,
&sub_aux, objfile);
SET_FIELD_BITPOS (list->field, ms->c_value);
memset (sym, 0, sizeof (struct symbol));
SYMBOL_SET_LINKAGE_NAME (sym,
- obsavestring (name, strlen (name),
- &objfile->objfile_obstack));
+ obstack_copy0 (&objfile->objfile_obstack,
+ name, strlen (name)));
SYMBOL_CLASS (sym) = LOC_CONST;
SYMBOL_DOMAIN (sym) = VAR_DOMAIN;
SYMBOL_VALUE (sym) = ms->c_value;
SYMBOL_TYPE (xsym) = type;
TYPE_FIELD_NAME (type, n) = SYMBOL_LINKAGE_NAME (xsym);
- SET_FIELD_BITPOS (TYPE_FIELD (type, n), SYMBOL_VALUE (xsym));
+ SET_FIELD_ENUMVAL (TYPE_FIELD (type, n), SYMBOL_VALUE (xsym));
if (SYMBOL_VALUE (xsym) < 0)
unsigned_enum = 0;
TYPE_FIELD_BITSIZE (type, n) = 0;
default_symfile_relocate, /* sym_relocate: Relocate a debug
section. */
+ NULL, /* sym_probe_fns */
&psym_functions
};
+/* Free the per-objfile COFF data. */
+
+static void
+coff_free_info (struct objfile *objfile, void *arg)
+{
+ xfree (arg);
+}
+
void
_initialize_coffread (void)
{
add_symtab_fns (&coff_sym_fns);
+
+ coff_objfile_data_key = register_objfile_data_with_cleanup (NULL,
+ coff_free_info);
}
projects / deliverable / binutils-gdb.git / blobdiff