/* Shared library support for RS/6000 (xcoff) object files, for GDB.
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/* Shared library support for RS/6000 (xcoff) object files, for GDB.
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Copyright 1991, 1992 Free Software Foundation.
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Copyright 1991, 1992 Free Software Foundation.
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Contributed by IBM Corporation.
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Contributed by IBM Corporation.
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This file is part of GDB.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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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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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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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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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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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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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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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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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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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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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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Boston, MA 02111-1307, USA. */
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#if 0
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#if 0
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#include <sys/types.h>
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#include <sys/types.h>
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#include <sys/ldr.h>
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#include <sys/ldr.h>
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#endif
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#endif
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#include "defs.h"
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#include "defs.h"
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#include "bfd.h"
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#include "bfd.h"
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#include "xcoffsolib.h"
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#include "xcoffsolib.h"
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#include "inferior.h"
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#include "inferior.h"
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#include "command.h"
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#include "command.h"
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/* Hook to relocate symbols at runtime. If gdb is build natively, this
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/* Hook to relocate symbols at runtime. If gdb is build natively, this
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hook is initialized in by rs6000-nat.c. If not, it is currently left
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hook is initialized in by rs6000-nat.c. If not, it is currently left
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NULL and never called. */
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NULL and never called. */
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void (*xcoff_relocate_symtab_hook) PARAMS ((unsigned int)) = NULL;
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void (*xcoff_relocate_symtab_hook) PARAMS ((unsigned int)) = NULL;
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#ifdef SOLIB_SYMBOLS_MANUAL
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#ifdef SOLIB_SYMBOLS_MANUAL
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extern struct symtab *current_source_symtab;
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extern struct symtab *current_source_symtab;
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extern int current_source_line;
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extern int current_source_line;
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/* The real work of adding a shared library file to the symtab and
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/* The real work of adding a shared library file to the symtab and
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the section list. */
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the section list. */
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void
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void
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solib_add (arg_string, from_tty, target)
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solib_add (arg_string, from_tty, target)
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char *arg_string;
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char *arg_string;
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int from_tty;
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int from_tty;
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struct target_ops *target;
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struct target_ops *target;
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{
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{
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char *val;
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char *val;
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struct vmap *vp = vmap;
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struct vmap *vp = vmap;
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struct objfile *obj;
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struct objfile *obj;
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struct symtab *saved_symtab;
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struct symtab *saved_symtab;
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int saved_line;
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int saved_line;
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int loaded = 0; /* true if any shared obj loaded */
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int loaded = 0; /* true if any shared obj loaded */
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int matched = 0; /* true if any shared obj matched */
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int matched = 0; /* true if any shared obj matched */
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if (arg_string == 0)
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if (arg_string == 0)
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re_comp (".");
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re_comp (".");
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else if (val = (char *) re_comp (arg_string))
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else if (val = (char *) re_comp (arg_string))
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{
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{
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error ("Invalid regexp: %s", val);
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error ("Invalid regexp: %s", val);
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}
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}
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if (!vp || !vp->nxt)
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if (!vp || !vp->nxt)
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return;
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return;
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/* save current symbol table and line number, in case they get changed
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/* save current symbol table and line number, in case they get changed
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in symbol loading process. */
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in symbol loading process. */
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saved_symtab = current_source_symtab;
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saved_symtab = current_source_symtab;
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saved_line = current_source_line;
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saved_line = current_source_line;
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/* skip over the first vmap, it is the main program, always loaded. */
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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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vp = vp->nxt;
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for (; vp; vp = vp->nxt)
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for (; vp; vp = vp->nxt)
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{
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{
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if (re_exec (vp->name) || (*vp->member && re_exec (vp->member)))
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if (re_exec (vp->name) || (*vp->member && re_exec (vp->member)))
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{
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{
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matched = 1;
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matched = 1;
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/* if already loaded, continue with the next one. */
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/* if already loaded, continue with the next one. */
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if (vp->loaded)
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if (vp->loaded)
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{
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{
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printf_unfiltered ("%s%s%s%s: already loaded.\n",
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printf_unfiltered ("%s%s%s%s: already loaded.\n",
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*vp->member ? "(" : "",
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*vp->member ? "(" : "",
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vp->member,
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vp->member,
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*vp->member ? ") " : "",
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*vp->member ? ") " : "",
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vp->name);
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vp->name);
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continue;
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continue;
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}
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}
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printf_unfiltered ("Loading %s%s%s%s...",
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printf_unfiltered ("Loading %s%s%s%s...",
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*vp->member ? "(" : "",
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*vp->member ? "(" : "",
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vp->member,
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vp->member,
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*vp->member ? ") " : "",
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*vp->member ? ") " : "",
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vp->name);
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vp->name);
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gdb_flush (gdb_stdout);
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gdb_flush (gdb_stdout);
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/* This is gross and doesn't work. If this code is re-enabled,
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/* This is gross and doesn't work. If this code is re-enabled,
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just stick a objfile member into the struct vmap; that's the
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just stick a objfile member into the struct vmap; that's the
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way solib.c (for SunOS/SVR4) does it. */
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way solib.c (for SunOS/SVR4) does it. */
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obj = lookup_objfile_bfd (vp->bfd);
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obj = lookup_objfile_bfd (vp->bfd);
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if (!obj)
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if (!obj)
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{
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{
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warning ("\nObj structure for the shared object not found. Loading failed.");
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warning ("\nObj structure for the shared object not found. Loading failed.");
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continue;
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continue;
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}
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}
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syms_from_objfile (obj, NULL, 0, 0);
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syms_from_objfile (obj, NULL, 0, 0);
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new_symfile_objfile (obj, 0, 0);
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new_symfile_objfile (obj, 0, 0);
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vmap_symtab (vp);
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vmap_symtab (vp);
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printf_unfiltered ("Done.\n");
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printf_unfiltered ("Done.\n");
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loaded = vp->loaded = 1;
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loaded = vp->loaded = 1;
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}
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}
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}
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}
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/* if any shared object is loaded, then misc_func_vector needs sorting. */
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/* if any shared object is loaded, then misc_func_vector needs sorting. */
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if (loaded)
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if (loaded)
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{
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{
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#if 0
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#if 0
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sort_misc_function_vector ();
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sort_misc_function_vector ();
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#endif
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#endif
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current_source_symtab = saved_symtab;
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current_source_symtab = saved_symtab;
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current_source_line = saved_line;
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current_source_line = saved_line;
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/* Getting new symbols might change our opinion about what is frameless.
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/* Getting new symbols might change our opinion about what is frameless.
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Is this correct?? FIXME. */
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Is this correct?? FIXME. */
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/* reinit_frame_cache(); */
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/* reinit_frame_cache(); */
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}
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}
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else if (!matched)
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else if (!matched)
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printf_unfiltered ("No matching shared object found.\n");
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printf_unfiltered ("No matching shared object found.\n");
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}
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}
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#endif /* SOLIB_SYMBOLS_MANUAL */
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#endif /* SOLIB_SYMBOLS_MANUAL */
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/* Return the module name of a given text address. Note that returned buffer
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/* Return the module name of a given text address. Note that returned buffer
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is not persistent. */
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is not persistent. */
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char *
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char *
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pc_load_segment_name (addr)
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pc_load_segment_name (addr)
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CORE_ADDR addr;
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CORE_ADDR addr;
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{
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{
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static char buffer[BUFSIZ];
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static char buffer[BUFSIZ];
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struct vmap *vp = vmap;
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struct vmap *vp = vmap;
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buffer[0] = buffer[1] = '\0';
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buffer[0] = buffer[1] = '\0';
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for (; vp; vp = vp->nxt)
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for (; vp; vp = vp->nxt)
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if (vp->tstart <= addr && addr < vp->tend)
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if (vp->tstart <= addr && addr < vp->tend)
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{
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{
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if (*vp->member)
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if (*vp->member)
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{
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{
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buffer[0] = '(';
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buffer[0] = '(';
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strcat (&buffer[1], vp->member);
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strcat (&buffer[1], vp->member);
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strcat (buffer, ")");
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strcat (buffer, ")");
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}
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}
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strcat (buffer, vp->name);
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strcat (buffer, vp->name);
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return buffer;
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return buffer;
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}
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}
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return "(unknown load module)";
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return "(unknown load module)";
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}
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}
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static void solib_info PARAMS ((char *, int));
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static void solib_info PARAMS ((char *, int));
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static void
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static void
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solib_info (args, from_tty)
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solib_info (args, from_tty)
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char *args;
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char *args;
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int from_tty;
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int from_tty;
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{
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{
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struct vmap *vp = vmap;
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struct vmap *vp = vmap;
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/* Check for new shared libraries loaded with load (). */
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/* Check for new shared libraries loaded with load (). */
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if (xcoff_relocate_symtab_hook != NULL)
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if (xcoff_relocate_symtab_hook != NULL)
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(*xcoff_relocate_symtab_hook) (inferior_pid);
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(*xcoff_relocate_symtab_hook) (inferior_pid);
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if (vp == NULL || vp->nxt == NULL)
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if (vp == NULL || vp->nxt == NULL)
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{
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{
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printf_unfiltered ("No shared libraries loaded at this time.\n");
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printf_unfiltered ("No shared libraries loaded at this time.\n");
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return;
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return;
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}
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}
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/* Skip over the first vmap, it is the main program, always loaded. */
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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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vp = vp->nxt;
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printf_unfiltered ("\
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printf_unfiltered ("\
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Text Range Data Range Syms Shared Object Library\n");
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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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for (; vp != NULL; vp = vp->nxt)
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{
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{
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printf_unfiltered ("0x%s-0x%s 0x%s-0x%s %s %s%s%s%s\n",
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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->tstart),paddr (vp->tend),
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paddr (vp->dstart), paddr (vp->dend),
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paddr (vp->dstart), paddr (vp->dend),
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vp->loaded ? "Yes" : "No ",
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vp->loaded ? "Yes" : "No ",
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*vp->member ? "(" : "",
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*vp->member ? "(" : "",
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vp->member,
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vp->member,
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*vp->member ? ") " : "",
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*vp->member ? ") " : "",
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vp->name);
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vp->name);
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}
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}
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}
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}
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void
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void
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sharedlibrary_command (args, from_tty)
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sharedlibrary_command (args, from_tty)
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char *args;
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char *args;
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int from_tty;
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int from_tty;
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{
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{
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dont_repeat ();
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dont_repeat ();
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/* Check for new shared libraries loaded with load (). */
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/* Check for new shared libraries loaded with load (). */
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if (xcoff_relocate_symtab_hook != NULL)
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if (xcoff_relocate_symtab_hook != NULL)
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(*xcoff_relocate_symtab_hook) (inferior_pid);
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(*xcoff_relocate_symtab_hook) (inferior_pid);
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#ifdef SOLIB_SYMBOLS_MANUAL
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#ifdef SOLIB_SYMBOLS_MANUAL
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solib_add (args, from_tty, (struct target_ops *) 0);
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solib_add (args, from_tty, (struct target_ops *) 0);
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#endif /* SOLIB_SYMBOLS_MANUAL */
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#endif /* SOLIB_SYMBOLS_MANUAL */
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}
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}
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void
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void
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_initialize_solib ()
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_initialize_solib ()
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{
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{
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add_com ("sharedlibrary", class_files, sharedlibrary_command,
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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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"Load shared object library symbols for files matching REGEXP.");
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add_info ("sharedlibrary", solib_info,
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add_info ("sharedlibrary", solib_info,
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"Status of loaded shared object libraries");
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"Status of loaded shared object libraries");
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}
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}
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