/* Target-dependent code for NetBSD/alpha.
- Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc.
+ Copyright (C) 2002-2013 Free Software Foundation, Inc.
Contributed by Wasabi Systems, Inc.
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., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "frame.h"
#include "alphabsd-tdep.h"
#include "nbsd-tdep.h"
#include "solib-svr4.h"
+#include "target.h"
/* Core file support. */
/* Return the appropriate register set for the core section identified
by SECT_NAME and SECT_SIZE. */
-static const struct regset *
+const struct regset *
alphanbsd_regset_from_core_section (struct gdbarch *gdbarch,
const char *sect_name, size_t sect_size)
{
if (strcmp (sect_name, ".reg") == 0 && sect_size >= ALPHANBSD_SIZEOF_GREGS)
- return &alphanbsd_gregset;
+ {
+ if (sect_size >= ALPHANBSD_SIZEOF_GREGS + ALPHANBSD_SIZEOF_FPREGS)
+ return &alphanbsd_aout_gregset;
+ else
+ return &alphanbsd_gregset;
+ }
if (strcmp (sect_name, ".reg2") == 0 && sect_size >= ALPHANBSD_SIZEOF_FPREGS)
return &alphanbsd_fpregset;
return NULL;
}
-
-static const struct regset *
-alphanbsd_aout_regset_from_core_section (struct gdbarch *gdbarch,
- const char *sect_name,
- size_t sect_size)
-{
- if (strcmp (sect_name, ".reg") == 0 && sect_size >= ALPHANBSD_SIZEOF_GREGS)
- return &alphanbsd_aout_gregset;
-
- return NULL;
-}
\f
/* Signal trampolines. */
sequence and can then check whether we really are executing in the
signal trampoline. If not, -1 is returned, otherwise the offset from the
start of the return sequence is returned. */
-static const unsigned char sigtramp_retcode[] =
+static const gdb_byte sigtramp_retcode[] =
{
0x00, 0x00, 0x1e, 0xa6, /* ldq a0, 0(sp) */
0x10, 0x00, 0xde, 0x23, /* lda sp, 16(sp) */
#define RETCODE_NWORDS 4
#define RETCODE_SIZE (RETCODE_NWORDS * 4)
-LONGEST
-alphanbsd_sigtramp_offset (CORE_ADDR pc)
+static LONGEST
+alphanbsd_sigtramp_offset (struct gdbarch *gdbarch, CORE_ADDR pc)
{
- unsigned char ret[RETCODE_SIZE], w[4];
+ gdb_byte ret[RETCODE_SIZE], w[4];
LONGEST off;
int i;
- if (deprecated_read_memory_nobpt (pc, (char *) w, 4) != 0)
+ if (target_read_memory (pc, w, 4) != 0)
return -1;
for (i = 0; i < RETCODE_NWORDS; i++)
off = i * 4;
pc -= off;
- if (deprecated_read_memory_nobpt (pc, (char *) ret, sizeof (ret)) != 0)
+ if (target_read_memory (pc, ret, sizeof (ret)) != 0)
return -1;
if (memcmp (ret, sigtramp_retcode, RETCODE_SIZE) == 0)
}
static int
-alphanbsd_pc_in_sigtramp (CORE_ADDR pc, char *func_name)
+alphanbsd_pc_in_sigtramp (struct gdbarch *gdbarch,
+ CORE_ADDR pc, const char *func_name)
{
return (nbsd_pc_in_sigtramp (pc, func_name)
- || alphanbsd_sigtramp_offset (pc) >= 0);
+ || alphanbsd_sigtramp_offset (gdbarch, pc) >= 0);
}
static CORE_ADDR
/* FIXME: This is not correct for all versions of NetBSD/alpha.
We will probably need to disassemble the trampoline to figure
out which trampoline frame type we have. */
- return get_frame_base (frame);
+ if (!get_next_frame (frame))
+ return 0;
+ return get_frame_base (get_next_frame (frame));
}
+\f
static void
alphanbsd_init_abi (struct gdbarch_info info,
set_gdbarch_regset_from_core_section
(gdbarch, alphanbsd_regset_from_core_section);
}
-
-static void
-alphanbsd_aout_init_abi (struct gdbarch_info info,
- struct gdbarch *gdbarch)
-{
- alphanbsd_init_abi(info, gdbarch);
-
- set_gdbarch_regset_from_core_section
- (gdbarch, alphanbsd_aout_regset_from_core_section);
-}
\f
static enum gdb_osabi
alphanbsd_core_osabi_sniffer (bfd *abfd)
{
if (strcmp (bfd_get_target (abfd), "netbsd-core") == 0)
- return GDB_OSABI_NETBSD_AOUT;
+ return GDB_OSABI_NETBSD_ELF;
return GDB_OSABI_UNKNOWN;
}
gdbarch_register_osabi (bfd_arch_alpha, 0, GDB_OSABI_NETBSD_ELF,
alphanbsd_init_abi);
- gdbarch_register_osabi (bfd_arch_alpha, 0, GDB_OSABI_NETBSD_AOUT,
- alphanbsd_aout_init_abi);
- gdbarch_register_osabi (bfd_arch_alpha, 0, GDB_OSABI_OPENBSD_ELF,
- alphanbsd_aout_init_abi);
}