/* Generic symbol file reading for the GNU debugger, GDB.
- Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
- Free Software Foundation, Inc.
+ Copyright (C) 1990-2012 Free Software Foundation, Inc.
Contributed by Cygnus Support, using pieces from other GDB modules.
#include "elf-bfd.h"
#include "solib.h"
#include "remote.h"
+#include "stack.h"
#include <sys/types.h>
#include <fcntl.h>
static VEC (sym_fns_ptr) *symtab_fns = NULL;
-/* Flag for whether user will be reloading symbols multiple times.
- Defaults to ON for VxWorks, otherwise OFF. */
-
-#ifdef SYMBOL_RELOADING_DEFAULT
-int symbol_reloading = SYMBOL_RELOADING_DEFAULT;
-#else
-int symbol_reloading = 0;
-#endif
-static void
-show_symbol_reloading (struct ui_file *file, int from_tty,
- struct cmd_list_element *c, const char *value)
-{
- fprintf_filtered (file, _("Dynamic symbol table reloading "
- "multiple times in one run is %s.\n"),
- value);
-}
-
/* If non-zero, shared library symbols will be added automatically
when the inferior is created, new libraries are loaded, or when
attaching to the inferior. This is almost always what users will
struct other_sections *osp;
osp = &addrs->other[i];
- if (osp->addr == 0)
+ if (osp->sectindex == -1)
continue;
/* Record all sections in offsets. */
{
const struct other_sections *a = *((struct other_sections **) ap);
const struct other_sections *b = *((struct other_sections **) bp);
- int retval, a_idx, b_idx;
+ int retval;
retval = strcmp (addr_section_name (a->name), addr_section_name (b->name));
if (retval)
return retval;
- /* SECTINDEX is undefined iff ADDR is zero. */
- a_idx = a->addr == 0 ? 0 : a->sectindex;
- b_idx = b->addr == 0 ? 0 : b->sectindex;
- return a_idx - b_idx;
+ return a->sectindex - b->sectindex;
}
/* Provide sorted array of pointers to sections of ADDRS. The array is
bfd_get_filename (abfd));
addrs->other[i].addr = 0;
-
- /* SECTINDEX is invalid if ADDR is zero. */
+ addrs->other[i].sectindex = -1;
}
}
(*objfile->sf->sym_read) (objfile, add_flags);
+ if ((add_flags & SYMFILE_NO_READ) == 0)
+ require_partial_symbols (objfile, 0);
+
/* Discard cleanups as symbol reading was successful. */
discard_cleanups (old_chain);
syms_from_objfile, above.
ADDRS is ignored when SYMFILE_MAINLINE bit is set in ADD_FLAGS.
+ PARENT is the original objfile if ABFD is a separate debug info file.
+ Otherwise PARENT is NULL.
+
Upon success, returns a pointer to the objfile that was added.
Upon failure, jumps back to command level (never returns). */
struct section_addr_info *addrs,
struct section_offsets *offsets,
int num_offsets,
- int flags)
+ int flags, struct objfile *parent)
{
struct objfile *objfile;
struct cleanup *my_cleanups;
const char *name = bfd_get_filename (abfd);
const int from_tty = add_flags & SYMFILE_VERBOSE;
+ const int mainline = add_flags & SYMFILE_MAINLINE;
+ const int should_print = ((from_tty || info_verbose)
+ && (readnow_symbol_files
+ || (add_flags & SYMFILE_NO_READ) == 0));
if (readnow_symbol_files)
- flags |= OBJF_READNOW;
+ {
+ flags |= OBJF_READNOW;
+ add_flags &= ~SYMFILE_NO_READ;
+ }
my_cleanups = make_cleanup_bfd_close (abfd);
interactively wiping out any existing symbols. */
if ((have_full_symbols () || have_partial_symbols ())
- && (add_flags & SYMFILE_MAINLINE)
+ && mainline
&& from_tty
&& !query (_("Load new symbol table from \"%s\"? "), name))
error (_("Not confirmed."));
- objfile = allocate_objfile (abfd, flags);
+ objfile = allocate_objfile (abfd, flags | (mainline ? OBJF_MAINLINE : 0));
discard_cleanups (my_cleanups);
+ if (parent)
+ add_separate_debug_objfile (objfile, parent);
+
/* We either created a new mapped symbol table, mapped an existing
symbol table file which has not had initial symbol reading
performed, or need to read an unmapped symbol table. */
- if (from_tty || info_verbose)
+ if (should_print)
{
if (deprecated_pre_add_symbol_hook)
deprecated_pre_add_symbol_hook (name);
if ((flags & OBJF_READNOW))
{
- if (from_tty || info_verbose)
+ if (should_print)
{
printf_unfiltered (_("expanding to full symbols..."));
wrap_here ("");
objfile->sf->qf->expand_all_symtabs (objfile);
}
- if ((from_tty || info_verbose)
- && !objfile_has_symbols (objfile))
+ if (should_print && !objfile_has_symbols (objfile))
{
wrap_here ("");
printf_unfiltered (_("(no debugging symbols found)..."));
wrap_here ("");
}
- if (from_tty || info_verbose)
+ if (should_print)
{
if (deprecated_post_add_symbol_hook)
deprecated_post_add_symbol_hook ();
time. */
gdb_flush (gdb_stdout);
- do_cleanups (my_cleanups);
-
if (objfile->sf == NULL)
{
observer_notify_new_objfile (objfile);
(bfd, symfile_flags,
sap, NULL, 0,
objfile->flags & (OBJF_REORDERED | OBJF_SHARED | OBJF_READNOW
- | OBJF_USERLOADED));
+ | OBJF_USERLOADED),
+ objfile);
do_cleanups (my_cleanup);
-
- add_separate_debug_objfile (new_objfile, objfile);
}
/* Process the symbol file ABFD, as either the main file or as a
struct objfile *
symbol_file_add_from_bfd (bfd *abfd, int add_flags,
struct section_addr_info *addrs,
- int flags)
+ int flags, struct objfile *parent)
{
return symbol_file_add_with_addrs_or_offsets (abfd, add_flags, addrs, 0, 0,
- flags);
+ flags, parent);
}
int flags)
{
return symbol_file_add_from_bfd (symfile_bfd_open (name), add_flags, addrs,
- flags);
+ flags, NULL);
}
static void
symbol_file_add_main_1 (char *args, int from_tty, int flags)
{
- const int add_flags = SYMFILE_MAINLINE | (from_tty ? SYMFILE_VERBOSE : 0);
+ const int add_flags = (current_inferior ()->symfile_flags
+ | SYMFILE_MAINLINE | (from_tty ? SYMFILE_VERBOSE : 0));
+
symbol_file_add (args, add_flags, NULL, flags);
/* Getting new symbols may change our opinion about
what is frameless. */
reinit_frame_cache ();
- set_initial_language ();
+ if ((flags & SYMFILE_NO_READ) == 0)
+ set_initial_language ();
}
void
return contents;
}
+/* Return 32-bit CRC for ABFD. If successful store it to *FILE_CRC_RETURN and
+ return 1. Otherwise print a warning and return 0. ABFD seek position is
+ not preserved. */
+
+static int
+get_file_crc (bfd *abfd, unsigned long *file_crc_return)
+{
+ unsigned long file_crc = 0;
+
+ if (bfd_seek (abfd, 0, SEEK_SET) != 0)
+ {
+ warning (_("Problem reading \"%s\" for CRC: %s"),
+ bfd_get_filename (abfd), bfd_errmsg (bfd_get_error ()));
+ return 0;
+ }
+
+ for (;;)
+ {
+ gdb_byte buffer[8 * 1024];
+ bfd_size_type count;
+
+ count = bfd_bread (buffer, sizeof (buffer), abfd);
+ if (count == (bfd_size_type) -1)
+ {
+ warning (_("Problem reading \"%s\" for CRC: %s"),
+ bfd_get_filename (abfd), bfd_errmsg (bfd_get_error ()));
+ return 0;
+ }
+ if (count == 0)
+ break;
+ file_crc = gnu_debuglink_crc32 (file_crc, buffer, count);
+ }
+
+ *file_crc_return = file_crc;
+ return 1;
+}
+
static int
separate_debug_file_exists (const char *name, unsigned long crc,
struct objfile *parent_objfile)
{
- unsigned long file_crc = 0;
+ unsigned long file_crc;
+ int file_crc_p;
bfd *abfd;
- gdb_byte buffer[8*1024];
- int count;
struct stat parent_stat, abfd_stat;
+ int verified_as_different;
/* Find a separate debug info file as if symbols would be present in
PARENT_OBJFILE itself this function would not be called. .gnu_debuglink
".debug" suffix as "/usr/lib/debug/path/to/file" is a separate tree where
the separate debug infos with the same basename can exist. */
- if (strcmp (name, parent_objfile->name) == 0)
+ if (filename_cmp (name, parent_objfile->name) == 0)
return 0;
abfd = bfd_open_maybe_remote (name);
if (!abfd)
return 0;
- /* Verify symlinks were not the cause of strcmp name difference above.
+ /* Verify symlinks were not the cause of filename_cmp name difference above.
Some operating systems, e.g. Windows, do not provide a meaningful
st_ino; they always set it to zero. (Windows does provide a
negatives. */
if (bfd_stat (abfd, &abfd_stat) == 0
- && bfd_stat (parent_objfile->obfd, &parent_stat) == 0
- && abfd_stat.st_dev == parent_stat.st_dev
- && abfd_stat.st_ino == parent_stat.st_ino
- && abfd_stat.st_ino != 0)
+ && abfd_stat.st_ino != 0
+ && bfd_stat (parent_objfile->obfd, &parent_stat) == 0)
{
- bfd_close (abfd);
- return 0;
+ if (abfd_stat.st_dev == parent_stat.st_dev
+ && abfd_stat.st_ino == parent_stat.st_ino)
+ {
+ bfd_close (abfd);
+ return 0;
+ }
+ verified_as_different = 1;
}
+ else
+ verified_as_different = 0;
- while ((count = bfd_bread (buffer, sizeof (buffer), abfd)) > 0)
- file_crc = gnu_debuglink_crc32 (file_crc, buffer, count);
+ file_crc_p = get_file_crc (abfd, &file_crc);
bfd_close (abfd);
+ if (!file_crc_p)
+ return 0;
+
if (crc != file_crc)
{
- warning (_("the debug information found in \"%s\""
- " does not match \"%s\" (CRC mismatch).\n"),
- name, parent_objfile->name);
+ /* If one (or both) the files are accessed for example the via "remote:"
+ gdbserver way it does not support the bfd_stat operation. Verify
+ whether those two files are not the same manually. */
+
+ if (!verified_as_different && !parent_objfile->crc32_p)
+ {
+ parent_objfile->crc32_p = get_file_crc (parent_objfile->obfd,
+ &parent_objfile->crc32);
+ if (!parent_objfile->crc32_p)
+ return 0;
+ }
+
+ if (verified_as_different || parent_objfile->crc32 != file_crc)
+ warning (_("the debug information found in \"%s\""
+ " does not match \"%s\" (CRC mismatch).\n"),
+ name, parent_objfile->name);
+
return 0;
}
#define DEBUG_SUBDIRECTORY ".debug"
#endif
-char *
-find_separate_debug_file_by_debuglink (struct objfile *objfile)
+/* Find a separate debuginfo file for OBJFILE, using DIR as the directory
+ where the original file resides (may not be the same as
+ dirname(objfile->name) due to symlinks), and DEBUGLINK as the file we are
+ looking for. Returns the name of the debuginfo, of NULL. */
+
+static char *
+find_separate_debug_file (const char *dir,
+ const char *canon_dir,
+ const char *debuglink,
+ unsigned long crc32, struct objfile *objfile)
{
- char *basename, *debugdir;
- char *dir = NULL;
- char *debugfile = NULL;
- char *canon_name = NULL;
- unsigned long crc32;
+ char *debugdir;
+ char *debugfile;
int i;
+ VEC (char_ptr) *debugdir_vec;
+ struct cleanup *back_to;
+ int ix;
- basename = get_debug_link_info (objfile, &crc32);
-
- if (basename == NULL)
- /* There's no separate debug info, hence there's no way we could
- load it => no warning. */
- goto cleanup_return_debugfile;
-
- dir = xstrdup (objfile->name);
-
- /* Strip off the final filename part, leaving the directory name,
- followed by a slash. The directory can be relative or absolute. */
- for (i = strlen(dir) - 1; i >= 0; i--)
- {
- if (IS_DIR_SEPARATOR (dir[i]))
- break;
- }
- /* If I is -1 then no directory is present there and DIR will be "". */
- dir[i+1] = '\0';
-
- /* Set I to max (strlen (canon_name), strlen (dir)). */
- canon_name = lrealpath (dir);
+ /* Set I to max (strlen (canon_dir), strlen (dir)). */
i = strlen (dir);
- if (canon_name && strlen (canon_name) > i)
- i = strlen (canon_name);
+ if (canon_dir != NULL && strlen (canon_dir) > i)
+ i = strlen (canon_dir);
debugfile = xmalloc (strlen (debug_file_directory) + 1
+ i
+ strlen (DEBUG_SUBDIRECTORY)
+ strlen ("/")
- + strlen (basename)
+ + strlen (debuglink)
+ 1);
/* First try in the same directory as the original file. */
strcpy (debugfile, dir);
- strcat (debugfile, basename);
+ strcat (debugfile, debuglink);
if (separate_debug_file_exists (debugfile, crc32, objfile))
- goto cleanup_return_debugfile;
+ return debugfile;
/* Then try in the subdirectory named DEBUG_SUBDIRECTORY. */
strcpy (debugfile, dir);
strcat (debugfile, DEBUG_SUBDIRECTORY);
strcat (debugfile, "/");
- strcat (debugfile, basename);
+ strcat (debugfile, debuglink);
if (separate_debug_file_exists (debugfile, crc32, objfile))
- goto cleanup_return_debugfile;
+ return debugfile;
/* Then try in the global debugfile directories.
-
+
Keep backward compatibility so that DEBUG_FILE_DIRECTORY being "" will
cause "/..." lookups. */
- debugdir = debug_file_directory;
- do
- {
- char *debugdir_end;
-
- while (*debugdir == DIRNAME_SEPARATOR)
- debugdir++;
-
- debugdir_end = strchr (debugdir, DIRNAME_SEPARATOR);
- if (debugdir_end == NULL)
- debugdir_end = &debugdir[strlen (debugdir)];
+ debugdir_vec = dirnames_to_char_ptr_vec (debug_file_directory);
+ back_to = make_cleanup_free_char_ptr_vec (debugdir_vec);
- memcpy (debugfile, debugdir, debugdir_end - debugdir);
- debugfile[debugdir_end - debugdir] = 0;
+ for (ix = 0; VEC_iterate (char_ptr, debugdir_vec, ix, debugdir); ++ix)
+ {
+ strcpy (debugfile, debugdir);
strcat (debugfile, "/");
strcat (debugfile, dir);
- strcat (debugfile, basename);
+ strcat (debugfile, debuglink);
if (separate_debug_file_exists (debugfile, crc32, objfile))
- goto cleanup_return_debugfile;
+ return debugfile;
/* If the file is in the sysroot, try using its base path in the
global debugfile directory. */
- if (canon_name
- && strncmp (canon_name, gdb_sysroot, strlen (gdb_sysroot)) == 0
- && IS_DIR_SEPARATOR (canon_name[strlen (gdb_sysroot)]))
+ if (canon_dir != NULL
+ && filename_ncmp (canon_dir, gdb_sysroot,
+ strlen (gdb_sysroot)) == 0
+ && IS_DIR_SEPARATOR (canon_dir[strlen (gdb_sysroot)]))
{
- memcpy (debugfile, debugdir, debugdir_end - debugdir);
- debugfile[debugdir_end - debugdir] = 0;
- strcat (debugfile, canon_name + strlen (gdb_sysroot));
+ strcpy (debugfile, debugdir);
+ strcat (debugfile, canon_dir + strlen (gdb_sysroot));
strcat (debugfile, "/");
- strcat (debugfile, basename);
+ strcat (debugfile, debuglink);
if (separate_debug_file_exists (debugfile, crc32, objfile))
- goto cleanup_return_debugfile;
+ return debugfile;
}
-
- debugdir = debugdir_end;
}
- while (*debugdir != 0);
-
+
+ do_cleanups (back_to);
xfree (debugfile);
- debugfile = NULL;
+ return NULL;
+}
+
+/* Modify PATH to contain only "directory/" part of PATH.
+ If there were no directory separators in PATH, PATH will be empty
+ string on return. */
+
+static void
+terminate_after_last_dir_separator (char *path)
+{
+ int i;
+
+ /* Strip off the final filename part, leaving the directory name,
+ followed by a slash. The directory can be relative or absolute. */
+ for (i = strlen(path) - 1; i >= 0; i--)
+ if (IS_DIR_SEPARATOR (path[i]))
+ break;
+
+ /* If I is -1 then no directory is present there and DIR will be "". */
+ path[i + 1] = '\0';
+}
-cleanup_return_debugfile:
- xfree (canon_name);
- xfree (basename);
- xfree (dir);
+/* Find separate debuginfo for OBJFILE (using .gnu_debuglink section).
+ Returns pathname, or NULL. */
+
+char *
+find_separate_debug_file_by_debuglink (struct objfile *objfile)
+{
+ char *debuglink;
+ char *dir, *canon_dir;
+ char *debugfile;
+ unsigned long crc32;
+ struct cleanup *cleanups;
+
+ debuglink = get_debug_link_info (objfile, &crc32);
+
+ if (debuglink == NULL)
+ {
+ /* There's no separate debug info, hence there's no way we could
+ load it => no warning. */
+ return NULL;
+ }
+
+ cleanups = make_cleanup (xfree, debuglink);
+ dir = xstrdup (objfile->name);
+ make_cleanup (xfree, dir);
+ terminate_after_last_dir_separator (dir);
+ canon_dir = lrealpath (dir);
+
+ debugfile = find_separate_debug_file (dir, canon_dir, debuglink,
+ crc32, objfile);
+ xfree (canon_dir);
+
+ if (debugfile == NULL)
+ {
+#ifdef HAVE_LSTAT
+ /* For PR gdb/9538, try again with realpath (if different from the
+ original). */
+
+ struct stat st_buf;
+
+ if (lstat (objfile->name, &st_buf) == 0 && S_ISLNK(st_buf.st_mode))
+ {
+ char *symlink_dir;
+
+ symlink_dir = lrealpath (objfile->name);
+ if (symlink_dir != NULL)
+ {
+ make_cleanup (xfree, symlink_dir);
+ terminate_after_last_dir_separator (symlink_dir);
+ if (strcmp (dir, symlink_dir) != 0)
+ {
+ /* Different directory, so try using it. */
+ debugfile = find_separate_debug_file (symlink_dir,
+ symlink_dir,
+ debuglink,
+ crc32,
+ objfile);
+ }
+ }
+ }
+#endif /* HAVE_LSTAT */
+ }
+
+ do_cleanups (cleanups);
return debugfile;
}
else
{
const char *filename;
-
+
filename = find_main_filename ();
if (filename != NULL)
lang = deduce_language_from_filename (filename);
sym_bfd = bfd_fopen (name, gnutarget, FOPEN_RB, desc);
if (!sym_bfd)
{
- close (desc);
make_cleanup (xfree, name);
error (_("`%s': can't open to read symbols: %s."), name,
bfd_errmsg (bfd_get_error ()));
{
/* The write is just starting. Let the user know we've started
this section. */
- ui_out_message (uiout, 0, "Loading section %s, size %s lma %s\n",
+ ui_out_message (current_uiout, 0, "Loading section %s, size %s lma %s\n",
args->section_name, hex_string (args->section_size),
paddress (target_gdbarch, args->lma));
return;
struct cleanup *old_cleanups = make_cleanup (null_cleanup, 0);
struct load_section_data cbdata;
struct load_progress_data total_progress;
+ struct ui_out *uiout = current_uiout;
CORE_ADDR entry;
char **argv;
const struct timeval *end_time)
{
ULONGEST time_count;
+ struct ui_out *uiout = current_uiout;
/* Compute the elapsed time in milliseconds, as a tradeoff between
accuracy and overflow. */
}
else
error (_("USAGE: add-symbol-file <filename> <textaddress>"
- " [-
mapped] [-readnow] [-s <secname> <addr>]*"));
+ " [-readnow] [-s <secname> <addr>]*"));
}
}
}
}
\f
+typedef struct objfile *objfilep;
+
+DEF_VEC_P (objfilep);
+
/* Re-read symbols if a symbol-file has changed. */
void
reread_symbols (void)
{
struct objfile *objfile;
long new_modtime;
- int reread_one = 0;
struct stat new_statbuf;
int res;
+ VEC (objfilep) *new_objfiles = NULL;
+ struct cleanup *all_cleanups;
+
+ all_cleanups = make_cleanup (VEC_cleanup (objfilep), &new_objfiles);
/* With the addition of shared libraries, this should be modified,
the load time should be saved in the partial symbol tables, since
/* We need to do this whenever any symbols go away. */
make_cleanup (clear_symtab_users_cleanup, 0 /*ignore*/);
- if (exec_bfd != NULL && strcmp (bfd_get_filename (objfile->obfd),
- bfd_get_filename (exec_bfd)) == 0)
+ if (exec_bfd != NULL
+ && filename_cmp (bfd_get_filename (objfile->obfd),
+ bfd_get_filename (exec_bfd)) == 0)
{
/* Reload EXEC_BFD without asking anything. */
exec_file_attach (bfd_get_filename (objfile->obfd), 0);
}
+ /* Keep the calls order approx. the same as in free_objfile. */
+
+ /* Free the separate debug objfiles. It will be
+ automatically recreated by sym_read. */
+ free_objfile_separate_debug (objfile);
+
+ /* Remove any references to this objfile in the global
+ value lists. */
+ preserve_values (objfile);
+
+ /* Nuke all the state that we will re-read. Much of the following
+ code which sets things to NULL really is necessary to tell
+ other parts of GDB that there is nothing currently there.
+
+ Try to keep the freeing order compatible with free_objfile. */
+
+ if (objfile->sf != NULL)
+ {
+ (*objfile->sf->sym_finish) (objfile);
+ }
+
+ clear_objfile_data (objfile);
+
/* Clean up any state BFD has sitting around. We don't need
to close the descriptor but BFD lacks a way of closing the
BFD without closing the descriptor. */
memcpy (offsets, objfile->section_offsets,
SIZEOF_N_SECTION_OFFSETS (num_offsets));
- /* Remove any references to this objfile in the global
- value lists. */
- preserve_values (objfile);
-
- /* Nuke all the state that we will re-read. Much of the following
- code which sets things to NULL really is necessary to tell
- other parts of GDB that there is nothing currently there.
-
- Try to keep the freeing order compatible with free_objfile. */
-
- if (objfile->sf != NULL)
- {
- (*objfile->sf->sym_finish) (objfile);
- }
-
- clear_objfile_data (objfile);
-
- /* Free the separate debug objfiles. It will be
- automatically recreated by sym_read. */
- free_objfile_separate_debug (objfile);
-
/* FIXME: Do we have to free a whole linked list, or is this
enough? */
if (objfile->global_psymbols.list)
objfile->psymtabs = NULL;
objfile->psymtabs_addrmap = NULL;
objfile->free_psymtabs = NULL;
- objfile->cp_namespace_symtab = NULL;
objfile->template_symbols = NULL;
objfile->msymbols = NULL;
objfile->deprecated_sym_private = NULL;
memset (&objfile->msymbol_demangled_hash, 0,
sizeof (objfile->msymbol_demangled_hash));
- objfile->psymbol_cache = psymbol_bcache_init ();
- objfile->macro_cache = bcache_xmalloc (NULL, NULL);
- objfile->filename_cache = bcache_xmalloc (NULL, NULL);
/* obstack_init also initializes the obstack so it is
empty. We could use obstack_specify_allocation but
- gdb_obstack.h specifies the alloc/dealloc
- functions. */
+ gdb_obstack.h specifies the alloc/dealloc functions. */
obstack_init (&objfile->objfile_obstack);
- if (build_objfile_section_table (objfile))
- {
- error (_("Can't find the file sections in `%s': %s"),
- objfile->name, bfd_errmsg (bfd_get_error ()));
- }
+ build_objfile_section_table (objfile);
terminate_minimal_symbol_table (objfile);
/* We use the same section offsets as from last time. I'm not
/* Do not set flags as this is safe and we don't want to be
verbose. */
(*objfile->sf->sym_read) (objfile, 0);
+ if ((objfile->flags & OBJF_PSYMTABS_READ) != 0)
+ {
+ objfile->flags &= ~OBJF_PSYMTABS_READ;
+ require_partial_symbols (objfile, 0);
+ }
+
if (!objfile_has_symbols (objfile))
{
wrap_here ("");
and now, we *want* this to be out of date, so don't call stat
again now. */
objfile->mtime = new_modtime;
- reread_one = 1;
init_entry_point_info (objfile);
+
+ VEC_safe_push (objfilep, new_objfiles, objfile);
}
}
- if (reread_one)
+ if (new_objfiles)
{
+ int ix;
+
/* Notify objfiles that we've modified objfile sections. */
objfiles_changed ();
clear_symtab_users (0);
+
+ /* clear_objfile_data for each objfile was called before freeing it and
+ observer_notify_new_objfile (NULL) has been called by
+ clear_symtab_users above. Notify the new files now. */
+ for (ix = 0; VEC_iterate (objfilep, new_objfiles, ix, objfile); ix++)
+ observer_notify_new_objfile (objfile);
+
/* At least one objfile has changed, so we can consider that
the executable we're debugging has changed too. */
observer_notify_executable_changed ();
}
+
+ do_cleanups (all_cleanups);
}
\f
symtab->next = objfile->symtabs;
objfile->symtabs = symtab;
+ if (symtab_create_debug)
+ {
+ /* Be a bit clever with debugging messages, and don't print objfile
+ every time, only when it changes. */
+ static char *last_objfile_name = NULL;
+
+ if (last_objfile_name == NULL
+ || strcmp (last_objfile_name, objfile->name) != 0)
+ {
+ xfree (last_objfile_name);
+ last_objfile_name = xstrdup (objfile->name);
+ fprintf_unfiltered (gdb_stdlog,
+ "Creating one or more symtabs for objfile %s ...\n",
+ last_objfile_name);
+ }
+ fprintf_unfiltered (gdb_stdlog,
+ "Created symtab 0x%lx for module %s.\n",
+ (long) symtab, filename);
+ }
+
return (symtab);
}
\f
clear_displays ();
if ((add_flags & SYMFILE_DEFER_BP_RESET) == 0)
breakpoint_re_set ();
- set_default_breakpoint (0, NULL, 0, 0, 0);
+ clear_last_displayed_sal ();
clear_pc_function_cache ();
observer_notify_new_objfile (NULL);
{
bfd *abfd = section->objfile->obfd;
asection *bfd_section = section->the_bfd_section;
-
+
if (bfd_section_lma (abfd, bfd_section) != 0
&& bfd_section_lma (abfd, bfd_section)
!= bfd_section_vma (abfd, bfd_section))
default_symfile_relocate (struct objfile *objfile, asection *sectp,
bfd_byte *buf)
{
- bfd *abfd = objfile->obfd;
+ /* Use sectp->owner instead of objfile->obfd. sectp may point to a
+ DWO file. */
+ bfd *abfd = sectp->owner;
/* We're only interested in sections with relocation
information. */
A load OFFSET may also be given."), &cmdlist);
set_cmd_completer (c, filename_completer);
- add_setshow_boolean_cmd ("symbol-reloading", class_support,
- &symbol_reloading, _("\
-Set dynamic symbol table reloading multiple times in one run."), _("\
-Show dynamic symbol table reloading multiple times in one run."), NULL,
- NULL,
- show_symbol_reloading,
- &setlist, &showlist);
-
add_prefix_cmd ("overlay", class_support, overlay_command,
_("Commands for debugging overlays."), &overlaylist,
"overlay ", 0, &cmdlist);
projects / deliverable / binutils-gdb.git / blobdiff