1999-04-16 09:35:26 +08:00
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/* Shared library support for RS/6000 (xcoff) object files, for GDB.
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2001-03-06 16:22:02 +08:00
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Copyright 1991, 1992, 1995, 1996, 1999, 2000, 2001
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Free Software Foundation, Inc.
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1999-04-16 09:35:26 +08:00
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Contributed by IBM Corporation.
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1999-07-08 04:19:36 +08:00
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This file is part of GDB.
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1999-04-16 09:35:26 +08:00
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1999-07-08 04:19:36 +08:00
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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1999-04-16 09:35:26 +08:00
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1999-07-08 04:19:36 +08:00
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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1999-04-16 09:35:26 +08:00
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1999-07-08 04:19:36 +08:00
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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1999-04-16 09:35:26 +08:00
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#include "defs.h"
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#include "bfd.h"
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#include "xcoffsolib.h"
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#include "inferior.h"
|
Add auto-solib-add support for AIX, remove obsolete and unused
SOLIB_SYMBOLS_MANUAL code, cleanup of AIX shared library handling code.
* rs6000-nat.c (vmap_symtab): Do not try to modify offsets
if symbols are not yet loaded.
(vmap_add_symbols): New function to add symbols for a vmap entry.
(add_vmap): Turn errors into warnings, return NULL vmap upon
failure. Add symbols via vmap_add_symbols only if requested.
(xcoff_relocate_core): Allow debugging of core files without an
executable file. Handle NULL returns from add_vmap gracefully.
* xcoffsolib.c (solib_add): Remove, no longer needed.
(solib_info): Do not check for new shared libraries if there is no
inferior process.
(sharedlibrary_command): Made static.
Do not check for new shared libraries if there is no inferior process.
Add symbols for requested shared libraries via vmap_add_symbols.
(_initialize_solib): Add `set auto-solib-add' command.
* xcoffsolib.h (vmap_add_symbols): Add prototype declaration.
* config/rs6000/tm-rs6000.h (PC_LOAD_SEGMENT): Move from here ...
* config/rs6000/nm-rs6000.h: ... to here, this is an AIX native
feature.
* config/powerpc/tm-macos.h, config/powerpc/tm-ppc-eabi.h,
config/powerpc/tm-ppc-nw.h, config/rs6000/tm-rs6000ly.h:
Remove #undef PC_LOAD_SEGMENT.
* config/powerpc/aix.mt, config/rs6000/aix4.mt, config/rs6000/rs6000.mt
(TDEPFILES): Move xcoffsolib.o from here ...
* config/powerpc/aix.mh, config/rs6000/aix4.mh, config/rs6000/rs6000.mh
(NATDEPFILES): ... to here, xcoffsolib.o contains AIX native code
only.
* rs6000-tdep.c: Remove #include xcoffsolib.h, no longer needed.
* xcoffsolib.h (xcoff_relocate_symtab_hook): Remove declaration.
* rs6000-nat.c (_initialize_core_rs6000): Remove setting of
xcoff_relocate_symtab_hook, no longer needed.
* xcoffsolib.c (solib_info, sharedlibrary_command): Remove
xcoff_relocate_symtab_hook indirection, call xcoff_relocate_symtab
directly, as xcoffsolib.c is now compiled in native AIX configurations
only.
* Makefile.in: Update dependencies for rs6000-tdep.o, rs6000-nat.o
and xcoffsolib.o.
2000-11-09 17:49:00 +08:00
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#include "gdbcmd.h"
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#include "symfile.h"
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#include "frame.h"
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#include "gdb_regex.h"
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1999-07-08 04:19:36 +08:00
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1999-04-16 09:35:26 +08:00
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2001-02-10 20:01:11 +08:00
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/* If ADDR lies in a shared library, return its name.
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Note that returned name points to static data whose content is overwritten
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by each call. */
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1999-04-16 09:35:26 +08:00
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char *
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2001-02-10 20:01:11 +08:00
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xcoff_solib_address (CORE_ADDR addr)
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1999-04-16 09:35:26 +08:00
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{
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2001-02-10 20:01:11 +08:00
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static char *buffer = NULL;
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1999-07-08 04:19:36 +08:00
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struct vmap *vp = vmap;
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2001-02-10 20:01:11 +08:00
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/* The first vmap entry is for the exec file. */
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if (vp == NULL)
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return NULL;
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for (vp = vp->nxt; vp; vp = vp->nxt)
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1999-07-08 04:19:36 +08:00
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if (vp->tstart <= addr && addr < vp->tend)
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{
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2001-02-10 20:01:11 +08:00
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xfree (buffer);
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xasprintf (&buffer, "%s%s%s%s",
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vp->name,
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*vp->member ? "(" : "",
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vp->member,
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*vp->member ? ")" : "");
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1999-04-16 09:35:26 +08:00
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return buffer;
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1999-07-08 04:19:36 +08:00
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}
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2001-02-10 20:01:11 +08:00
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return NULL;
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1999-04-16 09:35:26 +08:00
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}
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2000-05-28 09:12:42 +08:00
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static void solib_info (char *, int);
|
Add auto-solib-add support for AIX, remove obsolete and unused
SOLIB_SYMBOLS_MANUAL code, cleanup of AIX shared library handling code.
* rs6000-nat.c (vmap_symtab): Do not try to modify offsets
if symbols are not yet loaded.
(vmap_add_symbols): New function to add symbols for a vmap entry.
(add_vmap): Turn errors into warnings, return NULL vmap upon
failure. Add symbols via vmap_add_symbols only if requested.
(xcoff_relocate_core): Allow debugging of core files without an
executable file. Handle NULL returns from add_vmap gracefully.
* xcoffsolib.c (solib_add): Remove, no longer needed.
(solib_info): Do not check for new shared libraries if there is no
inferior process.
(sharedlibrary_command): Made static.
Do not check for new shared libraries if there is no inferior process.
Add symbols for requested shared libraries via vmap_add_symbols.
(_initialize_solib): Add `set auto-solib-add' command.
* xcoffsolib.h (vmap_add_symbols): Add prototype declaration.
* config/rs6000/tm-rs6000.h (PC_LOAD_SEGMENT): Move from here ...
* config/rs6000/nm-rs6000.h: ... to here, this is an AIX native
feature.
* config/powerpc/tm-macos.h, config/powerpc/tm-ppc-eabi.h,
config/powerpc/tm-ppc-nw.h, config/rs6000/tm-rs6000ly.h:
Remove #undef PC_LOAD_SEGMENT.
* config/powerpc/aix.mt, config/rs6000/aix4.mt, config/rs6000/rs6000.mt
(TDEPFILES): Move xcoffsolib.o from here ...
* config/powerpc/aix.mh, config/rs6000/aix4.mh, config/rs6000/rs6000.mh
(NATDEPFILES): ... to here, xcoffsolib.o contains AIX native code
only.
* rs6000-tdep.c: Remove #include xcoffsolib.h, no longer needed.
* xcoffsolib.h (xcoff_relocate_symtab_hook): Remove declaration.
* rs6000-nat.c (_initialize_core_rs6000): Remove setting of
xcoff_relocate_symtab_hook, no longer needed.
* xcoffsolib.c (solib_info, sharedlibrary_command): Remove
xcoff_relocate_symtab_hook indirection, call xcoff_relocate_symtab
directly, as xcoffsolib.c is now compiled in native AIX configurations
only.
* Makefile.in: Update dependencies for rs6000-tdep.o, rs6000-nat.o
and xcoffsolib.o.
2000-11-09 17:49:00 +08:00
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static void sharedlibrary_command (char *pattern, int from_tty);
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1999-04-16 09:35:26 +08:00
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static void
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2000-07-30 09:48:28 +08:00
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solib_info (char *args, int from_tty)
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1999-04-16 09:35:26 +08:00
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{
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struct vmap *vp = vmap;
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/* Check for new shared libraries loaded with load (). */
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2001-05-04 12:15:33 +08:00
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if (! ptid_equal (inferior_ptid, null_ptid))
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xcoff_relocate_symtab (PIDGET (inferior_ptid));
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1999-04-16 09:35:26 +08:00
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if (vp == NULL || vp->nxt == NULL)
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{
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1999-07-08 04:19:36 +08:00
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printf_unfiltered ("No shared libraries loaded at this time.\n");
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1999-04-16 09:35:26 +08:00
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return;
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}
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/* Skip over the first vmap, it is the main program, always loaded. */
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vp = vp->nxt;
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printf_unfiltered ("\
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Text Range Data Range Syms Shared Object Library\n");
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for (; vp != NULL; vp = vp->nxt)
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{
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1999-09-09 08:02:17 +08:00
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printf_unfiltered ("0x%s-0x%s 0x%s-0x%s %s %s%s%s%s\n",
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paddr (vp->tstart),paddr (vp->tend),
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paddr (vp->dstart), paddr (vp->dend),
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1999-04-16 09:35:26 +08:00
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vp->loaded ? "Yes" : "No ",
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2001-02-10 20:01:11 +08:00
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vp->name,
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1999-04-16 09:35:26 +08:00
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*vp->member ? "(" : "",
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vp->member,
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2001-02-10 20:01:11 +08:00
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*vp->member ? ")" : "");
|
1999-04-16 09:35:26 +08:00
|
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|
}
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|
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|
}
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|
|
|
|
Add auto-solib-add support for AIX, remove obsolete and unused
SOLIB_SYMBOLS_MANUAL code, cleanup of AIX shared library handling code.
* rs6000-nat.c (vmap_symtab): Do not try to modify offsets
if symbols are not yet loaded.
(vmap_add_symbols): New function to add symbols for a vmap entry.
(add_vmap): Turn errors into warnings, return NULL vmap upon
failure. Add symbols via vmap_add_symbols only if requested.
(xcoff_relocate_core): Allow debugging of core files without an
executable file. Handle NULL returns from add_vmap gracefully.
* xcoffsolib.c (solib_add): Remove, no longer needed.
(solib_info): Do not check for new shared libraries if there is no
inferior process.
(sharedlibrary_command): Made static.
Do not check for new shared libraries if there is no inferior process.
Add symbols for requested shared libraries via vmap_add_symbols.
(_initialize_solib): Add `set auto-solib-add' command.
* xcoffsolib.h (vmap_add_symbols): Add prototype declaration.
* config/rs6000/tm-rs6000.h (PC_LOAD_SEGMENT): Move from here ...
* config/rs6000/nm-rs6000.h: ... to here, this is an AIX native
feature.
* config/powerpc/tm-macos.h, config/powerpc/tm-ppc-eabi.h,
config/powerpc/tm-ppc-nw.h, config/rs6000/tm-rs6000ly.h:
Remove #undef PC_LOAD_SEGMENT.
* config/powerpc/aix.mt, config/rs6000/aix4.mt, config/rs6000/rs6000.mt
(TDEPFILES): Move xcoffsolib.o from here ...
* config/powerpc/aix.mh, config/rs6000/aix4.mh, config/rs6000/rs6000.mh
(NATDEPFILES): ... to here, xcoffsolib.o contains AIX native code
only.
* rs6000-tdep.c: Remove #include xcoffsolib.h, no longer needed.
* xcoffsolib.h (xcoff_relocate_symtab_hook): Remove declaration.
* rs6000-nat.c (_initialize_core_rs6000): Remove setting of
xcoff_relocate_symtab_hook, no longer needed.
* xcoffsolib.c (solib_info, sharedlibrary_command): Remove
xcoff_relocate_symtab_hook indirection, call xcoff_relocate_symtab
directly, as xcoffsolib.c is now compiled in native AIX configurations
only.
* Makefile.in: Update dependencies for rs6000-tdep.o, rs6000-nat.o
and xcoffsolib.o.
2000-11-09 17:49:00 +08:00
|
|
|
static void
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sharedlibrary_command (char *pattern, int from_tty)
|
1999-04-16 09:35:26 +08:00
|
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|
{
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|
|
|
dont_repeat ();
|
|
|
|
|
|
|
|
/* Check for new shared libraries loaded with load (). */
|
2001-05-04 12:15:33 +08:00
|
|
|
if (! ptid_equal (inferior_ptid, null_ptid))
|
|
|
|
xcoff_relocate_symtab (PIDGET (inferior_ptid));
|
Add auto-solib-add support for AIX, remove obsolete and unused
SOLIB_SYMBOLS_MANUAL code, cleanup of AIX shared library handling code.
* rs6000-nat.c (vmap_symtab): Do not try to modify offsets
if symbols are not yet loaded.
(vmap_add_symbols): New function to add symbols for a vmap entry.
(add_vmap): Turn errors into warnings, return NULL vmap upon
failure. Add symbols via vmap_add_symbols only if requested.
(xcoff_relocate_core): Allow debugging of core files without an
executable file. Handle NULL returns from add_vmap gracefully.
* xcoffsolib.c (solib_add): Remove, no longer needed.
(solib_info): Do not check for new shared libraries if there is no
inferior process.
(sharedlibrary_command): Made static.
Do not check for new shared libraries if there is no inferior process.
Add symbols for requested shared libraries via vmap_add_symbols.
(_initialize_solib): Add `set auto-solib-add' command.
* xcoffsolib.h (vmap_add_symbols): Add prototype declaration.
* config/rs6000/tm-rs6000.h (PC_LOAD_SEGMENT): Move from here ...
* config/rs6000/nm-rs6000.h: ... to here, this is an AIX native
feature.
* config/powerpc/tm-macos.h, config/powerpc/tm-ppc-eabi.h,
config/powerpc/tm-ppc-nw.h, config/rs6000/tm-rs6000ly.h:
Remove #undef PC_LOAD_SEGMENT.
* config/powerpc/aix.mt, config/rs6000/aix4.mt, config/rs6000/rs6000.mt
(TDEPFILES): Move xcoffsolib.o from here ...
* config/powerpc/aix.mh, config/rs6000/aix4.mh, config/rs6000/rs6000.mh
(NATDEPFILES): ... to here, xcoffsolib.o contains AIX native code
only.
* rs6000-tdep.c: Remove #include xcoffsolib.h, no longer needed.
* xcoffsolib.h (xcoff_relocate_symtab_hook): Remove declaration.
* rs6000-nat.c (_initialize_core_rs6000): Remove setting of
xcoff_relocate_symtab_hook, no longer needed.
* xcoffsolib.c (solib_info, sharedlibrary_command): Remove
xcoff_relocate_symtab_hook indirection, call xcoff_relocate_symtab
directly, as xcoffsolib.c is now compiled in native AIX configurations
only.
* Makefile.in: Update dependencies for rs6000-tdep.o, rs6000-nat.o
and xcoffsolib.o.
2000-11-09 17:49:00 +08:00
|
|
|
|
|
|
|
if (pattern)
|
|
|
|
{
|
|
|
|
char *re_err = re_comp (pattern);
|
1999-04-16 09:35:26 +08:00
|
|
|
|
Add auto-solib-add support for AIX, remove obsolete and unused
SOLIB_SYMBOLS_MANUAL code, cleanup of AIX shared library handling code.
* rs6000-nat.c (vmap_symtab): Do not try to modify offsets
if symbols are not yet loaded.
(vmap_add_symbols): New function to add symbols for a vmap entry.
(add_vmap): Turn errors into warnings, return NULL vmap upon
failure. Add symbols via vmap_add_symbols only if requested.
(xcoff_relocate_core): Allow debugging of core files without an
executable file. Handle NULL returns from add_vmap gracefully.
* xcoffsolib.c (solib_add): Remove, no longer needed.
(solib_info): Do not check for new shared libraries if there is no
inferior process.
(sharedlibrary_command): Made static.
Do not check for new shared libraries if there is no inferior process.
Add symbols for requested shared libraries via vmap_add_symbols.
(_initialize_solib): Add `set auto-solib-add' command.
* xcoffsolib.h (vmap_add_symbols): Add prototype declaration.
* config/rs6000/tm-rs6000.h (PC_LOAD_SEGMENT): Move from here ...
* config/rs6000/nm-rs6000.h: ... to here, this is an AIX native
feature.
* config/powerpc/tm-macos.h, config/powerpc/tm-ppc-eabi.h,
config/powerpc/tm-ppc-nw.h, config/rs6000/tm-rs6000ly.h:
Remove #undef PC_LOAD_SEGMENT.
* config/powerpc/aix.mt, config/rs6000/aix4.mt, config/rs6000/rs6000.mt
(TDEPFILES): Move xcoffsolib.o from here ...
* config/powerpc/aix.mh, config/rs6000/aix4.mh, config/rs6000/rs6000.mh
(NATDEPFILES): ... to here, xcoffsolib.o contains AIX native code
only.
* rs6000-tdep.c: Remove #include xcoffsolib.h, no longer needed.
* xcoffsolib.h (xcoff_relocate_symtab_hook): Remove declaration.
* rs6000-nat.c (_initialize_core_rs6000): Remove setting of
xcoff_relocate_symtab_hook, no longer needed.
* xcoffsolib.c (solib_info, sharedlibrary_command): Remove
xcoff_relocate_symtab_hook indirection, call xcoff_relocate_symtab
directly, as xcoffsolib.c is now compiled in native AIX configurations
only.
* Makefile.in: Update dependencies for rs6000-tdep.o, rs6000-nat.o
and xcoffsolib.o.
2000-11-09 17:49:00 +08:00
|
|
|
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 ();
|
|
|
|
}
|
|
|
|
}
|
1999-04-16 09:35:26 +08:00
|
|
|
}
|
|
|
|
|
2001-07-19 12:58:17 +08:00
|
|
|
/* LOCAL FUNCTION
|
|
|
|
|
|
|
|
no_shared_libraries -- handle command to explicitly discard symbols
|
|
|
|
from shared libraries.
|
|
|
|
|
|
|
|
DESCRIPTION
|
|
|
|
|
|
|
|
Implements the command "nosharedlibrary", which discards symbols
|
|
|
|
that have been auto-loaded from shared libraries. Symbols from
|
|
|
|
shared libraries that were added by explicit request of the user
|
|
|
|
are not discarded. Also called from remote.c. */
|
|
|
|
|
|
|
|
void
|
|
|
|
no_shared_libraries (char *ignored, int from_tty)
|
|
|
|
{
|
|
|
|
/* FIXME */
|
|
|
|
}
|
|
|
|
|
1999-04-16 09:35:26 +08:00
|
|
|
void
|
2000-07-30 09:48:28 +08:00
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_initialize_solib (void)
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1999-04-16 09:35:26 +08:00
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{
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add_com ("sharedlibrary", class_files, sharedlibrary_command,
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"Load shared object library symbols for files matching REGEXP.");
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1999-07-08 04:19:36 +08:00
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add_info ("sharedlibrary", solib_info,
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1999-04-16 09:35:26 +08:00
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"Status of loaded shared object libraries");
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Add auto-solib-add support for AIX, remove obsolete and unused
SOLIB_SYMBOLS_MANUAL code, cleanup of AIX shared library handling code.
* rs6000-nat.c (vmap_symtab): Do not try to modify offsets
if symbols are not yet loaded.
(vmap_add_symbols): New function to add symbols for a vmap entry.
(add_vmap): Turn errors into warnings, return NULL vmap upon
failure. Add symbols via vmap_add_symbols only if requested.
(xcoff_relocate_core): Allow debugging of core files without an
executable file. Handle NULL returns from add_vmap gracefully.
* xcoffsolib.c (solib_add): Remove, no longer needed.
(solib_info): Do not check for new shared libraries if there is no
inferior process.
(sharedlibrary_command): Made static.
Do not check for new shared libraries if there is no inferior process.
Add symbols for requested shared libraries via vmap_add_symbols.
(_initialize_solib): Add `set auto-solib-add' command.
* xcoffsolib.h (vmap_add_symbols): Add prototype declaration.
* config/rs6000/tm-rs6000.h (PC_LOAD_SEGMENT): Move from here ...
* config/rs6000/nm-rs6000.h: ... to here, this is an AIX native
feature.
* config/powerpc/tm-macos.h, config/powerpc/tm-ppc-eabi.h,
config/powerpc/tm-ppc-nw.h, config/rs6000/tm-rs6000ly.h:
Remove #undef PC_LOAD_SEGMENT.
* config/powerpc/aix.mt, config/rs6000/aix4.mt, config/rs6000/rs6000.mt
(TDEPFILES): Move xcoffsolib.o from here ...
* config/powerpc/aix.mh, config/rs6000/aix4.mh, config/rs6000/rs6000.mh
(NATDEPFILES): ... to here, xcoffsolib.o contains AIX native code
only.
* rs6000-tdep.c: Remove #include xcoffsolib.h, no longer needed.
* xcoffsolib.h (xcoff_relocate_symtab_hook): Remove declaration.
* rs6000-nat.c (_initialize_core_rs6000): Remove setting of
xcoff_relocate_symtab_hook, no longer needed.
* xcoffsolib.c (solib_info, sharedlibrary_command): Remove
xcoff_relocate_symtab_hook indirection, call xcoff_relocate_symtab
directly, as xcoffsolib.c is now compiled in native AIX configurations
only.
* Makefile.in: Update dependencies for rs6000-tdep.o, rs6000-nat.o
and xcoffsolib.o.
2000-11-09 17:49:00 +08:00
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add_show_from_set
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(add_set_cmd ("auto-solib-add", class_support, var_zinteger,
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(char *) &auto_solib_add,
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"Set autoloading of shared library symbols.\n\
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If nonzero, symbols from all shared object libraries will be loaded\n\
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automatically when the inferior begins execution or when the dynamic linker\n\
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informs gdb that a new library has been loaded. Otherwise, symbols\n\
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must be loaded manually, using `sharedlibrary'.",
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&setlist),
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&showlist);
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1999-04-16 09:35:26 +08:00
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}
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