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/* Shared library support for RS/6000 (xcoff) object files, for GDB.
Copyright (C) 1991-1992, 1995-1996, 1999-2001, 2007-2012 Free
Software Foundation, Inc.
Contributed by IBM Corporation.
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 3 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.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "bfd.h"
#include "xcoffsolib.h"
#include "inferior.h"
#include "gdbcmd.h"
#include "symfile.h"
#include "frame.h"
#include "gdb_regex.h"
/* If ADDR lies in a shared library, return its name.
Note that returned name points to static data whose content is overwritten
by each call. */
char *
xcoff_solib_address (CORE_ADDR addr)
{
static char *buffer = NULL;
struct vmap *vp = vmap;
/* The first vmap entry is for the exec file. */
if (vp == NULL)
return NULL;
for (vp = vp->nxt; vp; vp = vp->nxt)
if (vp->tstart <= addr && addr < vp->tend)
{
xfree (buffer);
buffer = xstrprintf ("%s%s%s%s",
vp->name,
*vp->member ? "(" : "",
vp->member,
*vp->member ? ")" : "");
return buffer;
}
return NULL;
}
static void solib_info (char *, int);
static void sharedlibrary_command (char *pattern, int from_tty);
static void
solib_info (char *args, int from_tty)
{
int addr_size = gdbarch_addr_bit (target_gdbarch) / 8;
struct vmap *vp = vmap;
/* Check for new shared libraries loaded with load (). */
if (! ptid_equal (inferior_ptid, null_ptid))
xcoff_relocate_symtab (PIDGET (inferior_ptid));
if (vp == NULL || vp->nxt == NULL)
{
printf_unfiltered ("No shared libraries loaded at this time.\n");
return;
}
/* Skip over the first vmap, it is the main program, always loaded. */
vp = vp->nxt;
printf_unfiltered ("Text Range Data Range "
"Syms Shared Object Library\n");
for (; vp != NULL; vp = vp->nxt)
{
printf_unfiltered ("0x%s-0x%s 0x%s-0x%s %s %s%s%s%s\n",
phex (vp->tstart, addr_size),
phex (vp->tend, addr_size),
phex (vp->dstart, addr_size),
phex (vp->dend, addr_size),
vp->loaded ? "Yes" : "No ",
vp->name,
*vp->member ? "(" : "",
vp->member,
*vp->member ? ")" : "");
}
}
static void
sharedlibrary_command (char *pattern, int from_tty)
{
dont_repeat ();
/* Check for new shared libraries loaded with load (). */
if (! ptid_equal (inferior_ptid, null_ptid))
xcoff_relocate_symtab (PIDGET (inferior_ptid));
if (pattern)
{
char *re_err = re_comp (pattern);
if (re_err)
error (_("Invalid regexp: %s"), re_err);
}
/* Walk the list of currently loaded shared libraries, and read
symbols for any that match the pattern --- or any whose symbols
aren't already loaded, if no pattern was given. */
{
int any_matches = 0;
int loaded_any_symbols = 0;
struct vmap *vp = vmap;
if (!vp)
return;
/* skip over the first vmap, it is the main program, always loaded. */
for (vp = vp->nxt; vp; vp = vp->nxt)
if (! pattern
|| re_exec (vp->name)
|| (*vp->member && re_exec (vp->member)))
{
any_matches = 1;
if (vp->loaded)
{
if (from_tty)
printf_unfiltered ("Symbols already loaded for %s\n",
vp->name);
}
else
{
if (vmap_add_symbols (vp))
loaded_any_symbols = 1;
}
}
if (from_tty && pattern && ! any_matches)
printf_unfiltered
("No loaded shared libraries match the pattern `%s'.\n", pattern);
if (loaded_any_symbols)
{
/* Getting new symbols may change our opinion about what is
frameless. */
reinit_frame_cache ();
}
}
}
void
_initialize_xcoffsolib (void)
{
add_com ("sharedlibrary", class_files, sharedlibrary_command,
_("Load shared object library symbols for files matching REGEXP."));
add_info ("sharedlibrary", solib_info,
_("Status of loaded shared object libraries"));
add_setshow_boolean_cmd ("auto-solib-add", class_support,
&auto_solib_add, _("\
Set autoloading of shared library symbols."), _("\
Show autoloading of shared library symbols."), _("\
If \"on\", symbols from all shared object libraries will be loaded\n\
automatically when the inferior begins execution, when the dynamic linker\n\
informs gdb that a new library has been loaded, or when attaching to the\n\
inferior. Otherwise, symbols must be loaded manually, using \
`sharedlibrary'."),
NULL,
NULL, /* FIXME: i18n: */
&setlist, &showlist);
}
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