Reimplement shared library support on ppc-aix...

... using the target_so_ops framework.

gdb/ChangeLog:

        * target.h (TARGET_OBJECT_AIX_LIBRARIES): New target_object enum.
        * features/library-list-aix.dtd: New file.
        * solib-aix.h, solib-aix.c: New file.
        * rs6000-aix-tdep.c: #include "solib.h" and "solib-aix.h".
        (rs6000_find_toc_address_hook): Delete.
        (rs6000_push_dummy_call): Rewrite code setting the TOC value.
        (rs6000_aix_init_osabi): Register solib_aix_so_ops.
        * rs6000-nat.c: Remove "xcoffsolib.h" include.  Include
        "xml-utils.h".
        (map_vmap, vmap_exec, vmap_ldinfo, add_vmap, objfile_symbol_add)
        (vmap_symtab, fixup_breakpoints): Delete.
        (rs6000_xfer_shared_libraries): New function.
        (rs6000_xfer_partial): Add TARGET_OBJECT_AIX_LIBRARIES handling.
        (vmap_secs, bss_data_overlap, vmap_add_symbols): Delete.
        (xcoff_relocate_symtab, xcoff_relocate_core): Delete.
        (rs6000_ptrace_ldinfo, rs6000_core_ldinfo)
        (rs6000_xfer_shared_library): New function.
        (find_toc_address): Delete.
        (_initialize_rs6000_nat): Do not set rs6000_find_toc_address_hook.
        * rs6000-tdep.h (rs6000_find_toc_address_hook): Remove.
        * xcoffread.c (record_minimal_symbol): Reloate symbol address
        before creating minimal symbol.  Adjust function description
        accordingly.
        (scan_xcoff_symtab): Replace call to
        prim_record_minimal_symbol_and_info by call to
        record_minimal_symbol.
        (xcoff_symfile_offsets): Reimplement mostly as a wrapper
        around default_symfile_offsets.
        * configure.tgt: Add solib-aix.o to gdb_target_obs for
        powerpc-aix targets.
        * config/rs6000/nm-rs6000.h: Delete.
        * config/powerpc/aix.mh (NAT_FILE): Delete.
        (NATDEPFILES): Remove xcoffsolib.o.
        * Makefile.in (XMLFILES): Add library-list-aix.dtd.
        (ALL_TARGET_OBS): Add solib-aix.o.
        (HFILES_NO_SRCDIR): Remove xcoffsolib.h and
        config/rs6000/nm-rs6000.h.  Add solib-aix.h.
        (ALLDEPFILES): Add solib-aix.c.  Remove xcoffsolib.c.
        * xcoffsolib.h, xcoffsolib.c: Delete.

        * solib.c (reload_shared_libraries): Remove reference to
        SOLIB_CREATE_INFERIOR_HOOK.
        * breakpoint.c (handle_solib_event): Remove reference to SOLIB_ADD.
        (disable_breakpoints_in_shlibs): Remove reference to PC_SOLIB.
        (momentary_bkpt_re_set): Replace SOLIB_ADD by solib_add in
        comment.
        * corelow.c (deprecated_core_resize_section_table): Delete.
        * exec.c: Remove include of xcoffsolib.h".
        (map_vmap, vmap): Delete.
        (exec_close_1): Remove references to vmap.
        (exec_file_attach): Remove vmap handling code, and reference
        to DEPRECATED_IBM6000_TARGET.
        (bfdsec_to_vmap): Delete.
        (exec_files_info): Remove block of code handling VMAP.
        * infcmd.c (post_create_inferior): Remove reference to
        SOLIB_CREATE_INFERIOR_HOOK and SOLIB_ADD.
        * infrun.c (follow_exec): Remove reference to
        SOLIB_CREATE_INFERIOR_HOOK.
        * stack.c (print_frame): Remove reference to PC_SOLIB.
        * solib-dsbt.c (dsbt_current_sos): Adjust comment.
        (dsbt_relocate_main_executable): Likewise.
        * solib-frv.c (frv_current_sos): Likewise.

gdb/doc/ChangeLog:

        * gdbint.texinfo (Algorithms): Remove entries documenting
        DEPRECATED_IBM6000_TARGET, SOLIB_ADD, and
        SOLIB_CREATE_INFERIOR_HOOK.

1 files changed, 0 insertions, 182 deletions

diff --git a/gdb/xcoffsolib.c b/gdb/xcoffsolib.c
deleted file mode 100644
index 069b016..0000000
--- a/gdb/xcoffsolib.c
+++ /dev/null
@@ -1,182 +0,0 @@
-/* Shared library support for RS/6000 (xcoff) object files, for GDB.
-   Copyright (C) 1991-2013 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);
-
-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);
-}