/* Target-dependent code for NetBSD/sparc64.
- Copyright 2002, 2003, 2004 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008
+ Free Software Foundation, Inc.
Based on code contributed by Wasabi Systems, 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 "frame.h"
regnum <= SPARC_I7_REGNUM; regnum++, addr += 8)
saved_regs[regnum].addr = addr;
+ /* Handle StackGhost. */
+ {
+ ULONGEST wcookie = sparc_fetch_wcookie ();
+
+ if (wcookie != 0)
+ {
+ ULONGEST i7;
+
+ addr = saved_regs[SPARC_I7_REGNUM].addr;
+ i7 = get_frame_memory_unsigned (next_frame, addr, 8);
+ trad_frame_set_value (saved_regs, SPARC_I7_REGNUM, i7 ^ wcookie);
+ }
+ }
+
/* TODO: Handle the floating-point registers. */
return saved_regs;
initialized under the assumption that we're frameless. */
cache->frameless_p = 0;
addr = frame_unwind_register_unsigned (next_frame, SPARC_FP_REGNUM);
+ if (addr & 1)
+ addr += BIAS;
cache->base = addr;
}
/* We find the appropriate instance of `struct sigcontext' at a
fixed offset in the signal frame. */
- addr = cache->base + BIAS + 128 + 8;
+ addr = cache->base + 128 + 8;
cache->saved_regs = sparc64nbsd_sigcontext_saved_regs (addr, next_frame);
return cache;
int regnum, int *optimizedp,
enum lval_type *lvalp,
CORE_ADDR *addrp,
- int *realnump, void *valuep)
+ int *realnump, gdb_byte *valuep)
{
struct sparc_frame_cache *cache =
sparc64nbsd_sigcontext_frame_cache (next_frame, this_cache);
tdep->fpregset = regset_alloc (gdbarch, sparc64nbsd_supply_fpregset, NULL);
tdep->sizeof_fpregset = 272;
+ /* Make sure we can single-step "new" syscalls. */
+ tdep->step_trap = sparcnbsd_step_trap;
+
frame_unwind_append_sniffer (gdbarch, sparc64nbsd_sigtramp_frame_sniffer);
sparc64_init_abi (info, gdbarch);
- /* NetBSD/sparc64 has SVR4-style shared libraries... */
- set_gdbarch_in_solib_call_trampoline (gdbarch, in_plt_section);
+ /* NetBSD/sparc64 has SVR4-style shared libraries. */
set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_lp64_fetch_link_map_offsets);
}
-
\f
+
/* Provide a prototype to silence -Wmissing-prototypes. */
void _initialize_sparc64nbsd_tdep (void);