/* GDB routines for manipulating objfiles.
- Copyright (C) 1992-2013 Free Software Foundation, Inc.
+ Copyright (C) 1992-2014 Free Software Foundation, Inc.
Contributed by Cygnus Support, using pieces from other GDB modules.
#include "gdb_assert.h"
#include <sys/types.h>
-#include "gdb_stat.h"
+#include <sys/stat.h>
#include <fcntl.h>
#include "gdb_obstack.h"
-#include "gdb_string.h"
+#include <string.h>
#include "hashtab.h"
#include "breakpoint.h"
static void
objfiles_pspace_data_cleanup (struct program_space *pspace, void *arg)
{
- struct objfile_pspace_info *info;
+ struct objfile_pspace_info *info = arg;
- info = program_space_data (pspace, objfiles_pspace_data);
- if (info != NULL)
- {
- xfree (info->sections);
- xfree (info);
- }
+ xfree (info->sections);
+ xfree (info);
}
/* Get the current svr4 data. If none is found yet, add it now. This
info = program_space_data (pspace, objfiles_pspace_data);
if (info == NULL)
{
- info = XZALLOC (struct objfile_pspace_info);
+ info = XCNEW (struct objfile_pspace_info);
set_program_space_data (pspace, objfiles_pspace_data, info);
}
obstack_init (&storage->storage_obstack);
storage->filename_cache = bcache_xmalloc (NULL, NULL);
storage->macro_cache = bcache_xmalloc (NULL, NULL);
+ storage->language_of_main = language_unknown;
}
return storage;
objfile->per_bfd = get_objfile_bfd_data (objfile, objfile->obfd);
}
+/* Set the objfile's per-BFD notion of the "main" name and
+ language. */
+
+void
+set_objfile_main_name (struct objfile *objfile,
+ const char *name, enum language lang)
+{
+ if (objfile->per_bfd->name_of_main == NULL
+ || strcmp (objfile->per_bfd->name_of_main, name) != 0)
+ objfile->per_bfd->name_of_main
+ = obstack_copy0 (&objfile->per_bfd->storage_obstack, name, strlen (name));
+ objfile->per_bfd->language_of_main = lang;
+}
+
\f
/* Called via bfd_map_over_sections to build up the section table that
allocate_objfile (bfd *abfd, const char *name, int flags)
{
struct objfile *objfile;
+ char *expanded_name;
objfile = (struct objfile *) xzalloc (sizeof (struct objfile));
objfile->psymbol_cache = psymbol_bcache_init ();
{
gdb_assert (abfd == NULL);
gdb_assert ((flags & OBJF_NOT_FILENAME) != 0);
- name = "<<anonymous objfile>>";
+ expanded_name = xstrdup ("<<anonymous objfile>>");
}
- objfile->original_name = obstack_copy0 (&objfile->objfile_obstack, name,
- strlen (name));
+ else if ((flags & OBJF_NOT_FILENAME) != 0)
+ expanded_name = xstrdup (name);
+ else
+ expanded_name = gdb_abspath (name);
+ objfile->original_name = obstack_copy0 (&objfile->objfile_obstack,
+ expanded_name,
+ strlen (expanded_name));
+ xfree (expanded_name);
+
+ /* Update the per-objfile information that comes from the bfd, ensuring
+ that any data that is reference is saved in the per-objfile data
+ region. */
/* Update the per-objfile information that comes from the bfd, ensuring
that any data that is reference is saved in the per-objfile data
int
entry_point_address_query (CORE_ADDR *entry_p)
{
- if (symfile_objfile == NULL || !symfile_objfile->ei.entry_point_p)
+ if (symfile_objfile == NULL || !symfile_objfile->per_bfd->ei.entry_point_p)
return 0;
- *entry_p = symfile_objfile->ei.entry_point;
+ *entry_p = (symfile_objfile->per_bfd->ei.entry_point
+ + ANOFFSET (symfile_objfile->section_offsets,
+ symfile_objfile->per_bfd->ei.the_bfd_section_index));
return 1;
}
_("put_objfile_before: before objfile not in list"));
}
-/* Put OBJFILE at the front of the list. */
-
-void
-objfile_to_front (struct objfile *objfile)
-{
- struct objfile **objp;
- for (objp = &object_files; *objp != NULL; objp = &((*objp)->next))
- {
- if (*objp == objfile)
- {
- /* Unhook it from where it is. */
- *objp = objfile->next;
- /* Put it in the front. */
- objfile->next = object_files;
- object_files = objfile;
- break;
- }
- }
-}
-
/* Unlink OBJFILE from the list of known objfiles, if it is found in the
list.
}
}
-/* Destroy an objfile and all the symtabs and psymtabs under it. Note
- that as much as possible is allocated on the objfile_obstack
- so that the memory can be efficiently freed.
-
- Things which we do NOT free because they are not in malloc'd memory
- or not in memory specific to the objfile include:
-
- objfile -> sf
-
- FIXME: If the objfile is using reusable symbol information (via mmalloc),
- then we need to take into account the fact that more than one process
- may be using the symbol information at the same time (when mmalloc is
- extended to support cooperative locking). When more than one process
- is using the mapped symbol info, we need to be more careful about when
- we free objects in the reusable area. */
+/* Destroy an objfile and all the symtabs and psymtabs under it. */
void
free_objfile (struct objfile *objfile)
{
+ /* First notify observers that this objfile is about to be freed. */
+ observer_notify_free_objfile (objfile);
+
/* Free all separate debug objfiles. */
free_objfile_separate_debug (objfile);
to be out of order. */
msymbols_sort (objfile);
- if (objfile->ei.entry_point_p)
- {
- /* Relocate ei.entry_point with its section offset, use SECT_OFF_TEXT
- only as a fallback. */
- struct obj_section *s;
- s = find_pc_section (objfile->ei.entry_point);
- if (s)
- {
- int idx = gdb_bfd_section_index (objfile->obfd, s->the_bfd_section);
-
- objfile->ei.entry_point += ANOFFSET (delta, idx);
- }
- else
- objfile->ei.entry_point += ANOFFSET (delta, SECT_OFF_TEXT (objfile));
- }
-
{
int i;
resume_section_map_updates (arg);
}
+/* Return 1 if ADDR maps into one of the sections of OBJFILE and 0
+ otherwise. */
+
+int
+is_addr_in_objfile (CORE_ADDR addr, const struct objfile *objfile)
+{
+ struct obj_section *osect;
+
+ if (objfile == NULL)
+ return 0;
+
+ ALL_OBJFILE_OSECTIONS (objfile, osect)
+ {
+ if (section_is_overlay (osect) && !section_is_mapped (osect))
+ continue;
+
+ if (obj_section_addr (osect) <= addr
+ && addr < obj_section_endaddr (osect))
+ return 1;
+ }
+ return 0;
+}
+
/* The default implementation for the "iterate_over_objfiles_in_search_order"
gdbarch method. It is equivalent to use the ALL_OBJFILES macro,
searching the objfiles in the order they are stored internally,