aboutsummaryrefslogtreecommitdiff
path: root/gdb/alphanbsd-nat.c
diff options
context:
space:
mode:
authorJason Thorpe <thorpej@netbsd.org>2002-04-25 02:44:05 +0000
committerJason Thorpe <thorpej@netbsd.org>2002-04-25 02:44:05 +0000
commitda8ca43db6929b224561e9367668bbe4d9e604bf (patch)
tree6c1e8c405b9f625dee9c489eba3da7359f5b5bcf /gdb/alphanbsd-nat.c
parent36a6271d5e87dca85b032036e2a3a0209ebf73cc (diff)
downloadgdb-da8ca43db6929b224561e9367668bbe4d9e604bf.zip
gdb-da8ca43db6929b224561e9367668bbe4d9e604bf.tar.gz
gdb-da8ca43db6929b224561e9367668bbe4d9e604bf.tar.bz2
* Makefile.in (ALLDEPFILES): Add alphanbsd-nat.c and
alphanbsd-tdep.c. (alphanbsd-nat.o): New dependency list. (alphanbsd-tdep.o): Ditto. * NEWS: Note new native NetBSD/alpha configuration. * alphanbsd-nat.c: New file. * alphanbsd-tdep.c: Ditto. * configure.host (alpha*-*-netbsd*): New host. * configure.tgt (alpha*-*-netbsd*): New target. * config/alpha/nbsd.mh: New file. * config/alpha/nbsd.mt: Ditto. * config/alpha/nm-nbsd.h: Ditto. * config/alpha/tm-nbsd.h: Ditto.
Diffstat (limited to 'gdb/alphanbsd-nat.c')
-rw-r--r--gdb/alphanbsd-nat.c136
1 files changed, 136 insertions, 0 deletions
diff --git a/gdb/alphanbsd-nat.c b/gdb/alphanbsd-nat.c
new file mode 100644
index 0000000..ed90de3
--- /dev/null
+++ b/gdb/alphanbsd-nat.c
@@ -0,0 +1,136 @@
+/* Native-dependent code for Alpha NetBSD.
+ Copyright 2002 Free Software Foundation, Inc.
+ 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
+ (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, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "defs.h"
+#include <sys/types.h>
+#include <machine/reg.h>
+#include <machine/frame.h>
+#include <machine/pcb.h>
+#include "gdbcore.h"
+#include "regcache.h"
+
+#include "alpha-tdep.h"
+
+#ifndef HAVE_GREGSET_T
+typedef struct reg gregset_t;
+#endif
+
+#ifndef HAVE_FPREGSET_T
+typedef struct fpreg fpregset_t;
+#endif
+
+#include "gregset.h"
+
+static void
+fetch_core_registers (char *core_reg_sect, unsigned core_reg_size, int which,
+ CORE_ADDR ignore)
+{
+ struct md_coredump *core_reg;
+ char *regs;
+ int regno;
+
+ /* Table to map a gdb register number to a trapframe register index. */
+ static const int regmap[] =
+ {
+ FRAME_V0, FRAME_T0, FRAME_T1, FRAME_T2,
+ FRAME_T3, FRAME_T4, FRAME_T5, FRAME_T6,
+ FRAME_T7, FRAME_S0, FRAME_S1, FRAME_S2,
+ FRAME_S3, FRAME_S4, FRAME_S5, FRAME_S6,
+ FRAME_A0, FRAME_A1, FRAME_A2, FRAME_A3,
+ FRAME_A4, FRAME_A5, FRAME_T8, FRAME_T9,
+ FRAME_T10, FRAME_T11, FRAME_RA, FRAME_T12,
+ FRAME_AT, FRAME_GP, FRAME_SP
+ };
+
+ /* We get everything from one section. */
+ if (which != 0)
+ return;
+
+ core_reg = (struct md_coredump *) core_reg_sect;
+ regs = (char *) &core_reg->md_tf;
+
+ if (core_reg_size < sizeof (*core_reg))
+ {
+ warning ("Wrong size register set in core file.");
+ return;
+ }
+
+ /* Integer registers. */
+ for (regno = 0; regno < ALPHA_ZERO_REGNUM; regno++)
+ supply_register (regno, regs + (regmap[regno] * 8));
+ supply_register (ALPHA_ZERO_REGNUM, NULL);
+ supply_register (FP_REGNUM, NULL);
+ supply_register (PC_REGNUM, regs + (FRAME_PC * 8));
+
+ /* Floating point registers. */
+ supply_fpregset (&core_reg->md_fpstate);
+}
+
+static void
+fetch_elfcore_registers (char *core_reg_sect, unsigned core_reg_size, int which,
+ CORE_ADDR ignore)
+{
+ switch (which)
+ {
+ case 0: /* Integer registers. */
+ if (core_reg_size != sizeof (struct reg))
+ warning ("Wrong size register set in core file.");
+ else
+ supply_gregset ((gregset_t *) core_reg_sect);
+ break;
+
+ case 2: /* Floating point registers. */
+ if (core_reg_size != sizeof (struct fpreg))
+ warning ("Wrong size FP register set in core file.");
+ else
+ supply_fpregset ((fpregset_t *) core_reg_sect);
+ break;
+
+ default:
+ /* Don't know what kind of register request this is; just ignore it. */
+ break;
+ }
+}
+
+static struct core_fns alphanbsd_core_fns =
+{
+ bfd_target_unknown_flavour, /* core_flavour */
+ default_check_format, /* check_format */
+ default_core_sniffer, /* core_sniffer */
+ fetch_core_registers, /* core_read_registers */
+ NULL /* next */
+};
+
+static struct core_fns alphanbsd_elfcore_fns =
+{
+ bfd_target_elf_flavour, /* core_flavour */
+ default_check_format, /* check_format */
+ default_core_sniffer, /* core_sniffer */
+ fetch_elfcore_registers, /* core_read_registers */
+ NULL /* next */
+};
+
+void
+_initialize_alphanbsd_nat (void)
+{
+ add_core_fns (&alphanbsd_core_fns);
+ add_core_fns (&alphanbsd_elfcore_fns);
+}