/* GDB routines for manipulating objfiles.
- Copyright (C) 1992-2004, 2007-2012 Free Software Foundation, Inc.
+ Copyright (C) 1992-2013 Free Software Foundation, Inc.
Contributed by Cygnus Support, using pieces from other GDB modules.
#include "gdb-stabs.h"
#include "target.h"
#include "bcache.h"
-#include "mdebugread.h"
#include "expression.h"
#include "parser-defs.h"
/* Look up the gdbarch associated with the BFD. */
objfile->gdbarch = gdbarch_from_bfd (abfd);
- objfile->name = xstrdup (bfd_get_filename (abfd));
+ objfile->name = bfd_get_filename (abfd);
objfile->mtime = bfd_get_mtime (abfd);
/* Build section table. */
}
else
{
- objfile->name = xstrdup ("<<anonymous objfile>>");
+ objfile->name = "<<anonymous objfile>>";
}
objfile->per_bfd = get_objfile_bfd_data (objfile, abfd);
return objfile->gdbarch;
}
-/* Initialize entry point information for this objfile. */
-
-void
-init_entry_point_info (struct objfile *objfile)
-{
- /* Save startup file's range of PC addresses to help blockframe.c
- decide where the bottom of the stack is. */
-
- if (bfd_get_file_flags (objfile->obfd) & EXEC_P)
- {
- /* Executable file -- record its entry point so we'll recognize
- the startup file because it contains the entry point. */
- objfile->ei.entry_point = bfd_get_start_address (objfile->obfd);
- objfile->ei.entry_point_p = 1;
- }
- else if (bfd_get_file_flags (objfile->obfd) & DYNAMIC
- && bfd_get_start_address (objfile->obfd) != 0)
- {
- /* Some shared libraries may have entry points set and be
- runnable. There's no clear way to indicate this, so just check
- for values other than zero. */
- objfile->ei.entry_point = bfd_get_start_address (objfile->obfd);
- objfile->ei.entry_point_p = 1;
- }
- else
- {
- /* Examination of non-executable.o files. Short-circuit this stuff. */
- objfile->ei.entry_point_p = 0;
- }
-}
-
/* If there is a valid and known entry point, function fills *ENTRY_P with it
and returns non-zero; otherwise it returns zero. */
int
entry_point_address_query (CORE_ADDR *entry_p)
{
- struct gdbarch *gdbarch;
- CORE_ADDR entry_point;
-
if (symfile_objfile == NULL || !symfile_objfile->ei.entry_point_p)
return 0;
- gdbarch = get_objfile_arch (symfile_objfile);
-
- entry_point = symfile_objfile->ei.entry_point;
-
- /* Make certain that the address points at real code, and not a
- function descriptor. */
- entry_point = gdbarch_convert_from_func_ptr_addr (gdbarch, entry_point,
- ¤t_target);
-
- /* Remove any ISA markers, so that this matches entries in the
- symbol table. */
- entry_point = gdbarch_addr_bits_remove (gdbarch, entry_point);
+ *entry_p = symfile_objfile->ei.entry_point;
- *entry_p = entry_point;
return 1;
}
/* The last thing we do is free the objfile struct itself. */
- xfree (objfile->name);
if (objfile->global_psymbols.list)
xfree (objfile->global_psymbols.list);
if (objfile->static_psymbols.list)
if (changed)
breakpoint_re_set ();
}
+
+/* Rebase (add to the offsets) OBJFILE by SLIDE. SEPARATE_DEBUG_OBJFILE is
+ not touched here.
+ Return non-zero iff any change happened. */
+
+static int
+objfile_rebase1 (struct objfile *objfile, CORE_ADDR slide)
+{
+ struct section_offsets *new_offsets =
+ ((struct section_offsets *)
+ alloca (SIZEOF_N_SECTION_OFFSETS (objfile->num_sections)));
+ int i;
+
+ for (i = 0; i < objfile->num_sections; ++i)
+ new_offsets->offsets[i] = slide;
+
+ return objfile_relocate1 (objfile, new_offsets);
+}
+
+/* Rebase (add to the offsets) OBJFILE by SLIDE. Process also OBJFILE's
+ SEPARATE_DEBUG_OBJFILEs. */
+
+void
+objfile_rebase (struct objfile *objfile, CORE_ADDR slide)
+{
+ struct objfile *debug_objfile;
+ int changed = 0;
+
+ changed |= objfile_rebase1 (objfile, slide);
+
+ for (debug_objfile = objfile->separate_debug_objfile;
+ debug_objfile;
+ debug_objfile = objfile_separate_debug_iterate (objfile, debug_objfile))
+ changed |= objfile_rebase1 (debug_objfile, slide);
+
+ /* Relocate breakpoints as necessary, after things are relocated. */
+ if (changed)
+ breakpoint_re_set ();
+}
\f
/* Return non-zero if OBJFILE has partial symbols. */