/* Handle SunOS shared libraries for GDB, the GNU Debugger.
- Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000,
- 2001, 2004
- Free Software Foundation, Inc.
+
+ Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000,
+ 2001, 2004, 2007, 2008, 2009 Free Software Foundation, Inc.
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 2 of the License, or
+ 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,
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, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include <sys/param.h>
#include <fcntl.h>
- /* SunOS shared libs need the nlist structure. */
+/* SunOS shared libs need the nlist structure. */
#include <a.out.h>
#include <link.h>
#include "objfiles.h"
#include "gdbcore.h"
#include "inferior.h"
+#include "gdbthread.h"
#include "solist.h"
#include "bcache.h"
#include "regcache.h"
+/* The shared library implementation found on BSD a.out systems is
+ very similar to the SunOS implementation. However, the data
+ structures defined in <link.h> are named very differently. Make up
+ for those differences here. */
+
+#ifdef HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS
+
+/* FIXME: Temporary until the equivalent defines have been removed
+ from all nm-*bsd*.h files. */
+#ifndef link_dynamic
+
+/* Map `struct link_map' and its members. */
+#define link_map so_map
+#define lm_addr som_addr
+#define lm_name som_path
+#define lm_next som_next
+
+/* Map `struct link_dynamic_2' and its members. */
+#define link_dynamic_2 section_dispatch_table
+#define ld_loaded sdt_loaded
+
+/* Map `struct rtc_symb' and its members. */
+#define rtc_symb rt_symbol
+#define rtc_sp rt_sp
+#define rtc_next rt_next
+
+/* Map `struct ld_debug' and its members. */
+#define ld_debug so_debug
+#define ldd_in_debugger dd_in_debugger
+#define ldd_bp_addr dd_bpt_addr
+#define ldd_bp_inst dd_bpt_shadow
+#define ldd_cp dd_cc
+
+/* Map `struct link_dynamic' and its members. */
+#define link_dynamic _dynamic
+#define ld_version d_version
+#define ldd d_debug
+#define ld_un d_un
+#define ld_2 d_sdt
+
+#endif
+
+#endif
+
/* Link map info to include in an allocated so_list entry */
struct lm_info
Assume that the address is unsigned. */
#define SOLIB_EXTRACT_ADDRESS(MEMBER) \
- extract_unsigned_integer (&(MEMBER), sizeof (MEMBER))
+ extract_unsigned_integer (&(MEMBER), sizeof (MEMBER), \
+ gdbarch_byte_order (target_gdbarch))
/* local data declarations */
static CORE_ADDR
LM_ADDR (struct so_list *so)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch);
int lm_addr_offset = offsetof (struct link_map, lm_addr);
int lm_addr_size = fieldsize (struct link_map, lm_addr);
return (CORE_ADDR) extract_signed_integer (so->lm_info->lm + lm_addr_offset,
- lm_addr_size);
+ lm_addr_size, byte_order);
}
static CORE_ADDR
LM_NEXT (struct so_list *so)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch);
int lm_next_offset = offsetof (struct link_map, lm_next);
int lm_next_size = fieldsize (struct link_map, lm_next);
/* Assume that the address is unsigned. */
return extract_unsigned_integer (so->lm_info->lm + lm_next_offset,
- lm_next_size);
+ lm_next_size, byte_order);
}
static CORE_ADDR
LM_NAME (struct so_list *so)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch);
int lm_name_offset = offsetof (struct link_map, lm_name);
int lm_name_size = fieldsize (struct link_map, lm_name);
/* Assume that the address is unsigned. */
return extract_unsigned_integer (so->lm_info->lm + lm_name_offset,
- lm_name_size);
+ lm_name_size, byte_order);
}
static CORE_ADDR debug_base; /* Base of dynamic linker structures */
objfile = (struct objfile *) xmalloc (sizeof (struct objfile));
memset (objfile, 0, sizeof (struct objfile));
- objfile->md = NULL;
objfile->psymbol_cache = bcache_xmalloc ();
objfile->macro_cache = bcache_xmalloc ();
+ objfile->filename_cache = bcache_xmalloc ();
obstack_init (&objfile->objfile_obstack);
objfile->name = xstrdup ("rt_common");
target_read_string (LM_NAME (new), &buffer,
SO_NAME_MAX_PATH_SIZE - 1, &errcode);
if (errcode != 0)
- {
- warning ("current_sos: Can't read pathname for load map: %s\n",
- safe_strerror (errcode));
- }
+ warning (_("Can't read pathname for load map: %s."),
+ safe_strerror (errcode));
else
{
strncpy (new->so_name, buffer, SO_NAME_MAX_PATH_SIZE - 1);
if (stop_pc != breakpoint_addr)
{
- warning ("stopped at unknown breakpoint while handling shared libraries");
+ warning (_("stopped at unknown breakpoint while handling shared libraries"));
}
return 1;
SYNOPSIS
- void sunos_solib_create_inferior_hook()
+ void sunos_solib_create_inferior_hook ()
DESCRIPTION
static void
sunos_solib_create_inferior_hook (void)
{
+ struct thread_info *tp;
+ struct inferior *inf;
+
if ((debug_base = locate_base ()) == 0)
{
/* Can't find the symbol or the executable is statically linked. */
if (!enable_break ())
{
- warning ("shared library handler failed to enable breakpoint");
+ warning (_("shared library handler failed to enable breakpoint"));
return;
}
can go groveling around in the dynamic linker structures to find
out what we need to know about them. */
+ inf = current_inferior ();
+ tp = inferior_thread ();
+
clear_proceed_status ();
- stop_soon = STOP_QUIETLY;
- stop_signal = TARGET_SIGNAL_0;
+
+ inf->stop_soon = STOP_QUIETLY;
+ tp->stop_signal = TARGET_SIGNAL_0;
do
{
- target_resume (pid_to_ptid (-1), 0, stop_signal);
- wait_for_inferior ();
+ target_resume (pid_to_ptid (-1), 0, tp->stop_signal);
+ wait_for_inferior (0);
}
- while (stop_signal != TARGET_SIGNAL_TRAP);
- stop_soon = NO_STOP_QUIETLY;
+ while (tp->stop_signal != TARGET_SIGNAL_TRAP);
+ inf->stop_soon = NO_STOP_QUIETLY;
/* We are now either at the "mapping complete" breakpoint (or somewhere
else, a condition we aren't prepared to deal with anyway), so adjust
the PC as necessary after a breakpoint, disable the breakpoint, and
- add any shared libraries that were mapped in. */
+ add any shared libraries that were mapped in.
+
+ Note that adjust_pc_after_break did not perform any PC adjustment,
+ as the breakpoint the inferior just hit was not inserted by GDB,
+ but by the dynamic loader itself, and is therefore not found on
+ the GDB software break point list. Thus we have to adjust the
+ PC here. */
- if (DECR_PC_AFTER_BREAK)
+ if (gdbarch_decr_pc_after_break (target_gdbarch))
{
- stop_pc -= DECR_PC_AFTER_BREAK;
- write_register (PC_REGNUM, stop_pc);
+ stop_pc -= gdbarch_decr_pc_after_break (target_gdbarch);
+ regcache_write_pc (get_current_regcache (), stop_pc);
}
if (!disable_break ())
{
- warning ("shared library handler failed to disable breakpoint");
+ warning (_("shared library handler failed to disable breakpoint"));
}
solib_add ((char *) 0, 0, (struct target_ops *) 0, auto_solib_add);
static void
sunos_relocate_section_addresses (struct so_list *so,
- struct section_table *sec)
+ struct target_section *sec)
{
sec->addr += LM_ADDR (so);
sec->endaddr += LM_ADDR (so);
sunos_so_ops.current_sos = sunos_current_sos;
sunos_so_ops.open_symbol_file_object = open_symbol_file_object;
sunos_so_ops.in_dynsym_resolve_code = sunos_in_dynsym_resolve_code;
+ sunos_so_ops.bfd_open = solib_bfd_open;
/* FIXME: Don't do this here. *_gdbarch_init() should set so_ops. */
current_target_so_ops = &sunos_so_ops;
projects / deliverable / binutils-gdb.git / blobdiff