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authorMark Kettenis <kettenis@gnu.org>2004-06-26 10:06:35 +0000
committerMark Kettenis <kettenis@gnu.org>2004-06-26 10:06:35 +0000
commit0e56aeafa8e93c62a52a7b45d90550130285576b (patch)
tree1a7cc78b7adf08e34c32e45dc971a7a511db305b /gdb/hppabsd-nat.c
parentd0618d1c97a6aa1b2f019fc65030fbe43d865cd1 (diff)
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Add OpenBSD/hppa support.
* NEWS (New native configurations): Mention OpenBSD/hppa. * hppabsd-nat.c, hppabsd-tdep.c, config/pa/obsd.mh, config/pa/obsd.mt, config/pa/nm-obsd.h, config/pa/tm-bsd.h: New files. * Makefile.in (ALLDEPFILES): Add hppabsd-nat.c and hppabsd-tdep.c. (hppabsd-nat.o, hppabsd-tdep.c): New dependencies. * configure.host: Add hppa*-*-openbsd*. * configure.tgt: Add hppa*-*-openbsd*.
Diffstat (limited to 'gdb/hppabsd-nat.c')
-rw-r--r--gdb/hppabsd-nat.c119
1 files changed, 119 insertions, 0 deletions
diff --git a/gdb/hppabsd-nat.c b/gdb/hppabsd-nat.c
new file mode 100644
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--- /dev/null
+++ b/gdb/hppabsd-nat.c
@@ -0,0 +1,119 @@
+/* Native-dependent code for HP PA-RISC BSD's.
+
+ Copyright 2004 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
+ (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 "inferior.h"
+#include "regcache.h"
+
+#include <sys/types.h>
+#include <sys/ptrace.h>
+#include <machine/reg.h>
+
+#include "hppa-tdep.h"
+
+static int
+hppabsd_gregset_supplies_p (int regnum)
+{
+ return (regnum >= HPPA_R0_REGNUM && regnum <= HPPA_PCOQ_TAIL_REGNUM);
+}
+
+/* Supply the general-purpose registers stored in GREGS to REGCACHE. */
+
+static void
+hppabsd_supply_gregset (struct regcache *regcache, const void *gregs)
+{
+ const char *regs = gregs;
+ int regnum;
+
+ for (regnum = HPPA_R1_REGNUM; regnum <= HPPA_R31_REGNUM; regnum++)
+ regcache_raw_supply (regcache, regnum, regs + regnum * 4);
+
+ regcache_raw_supply (regcache, HPPA_SAR_REGNUM, regs);
+ regcache_raw_supply (regcache, HPPA_PCOQ_HEAD_REGNUM, regs + 32 * 4);
+ regcache_raw_supply (regcache, HPPA_PCOQ_TAIL_REGNUM, regs + 33 * 4);
+}
+
+/* Collect the general-purpose registers from REGCACHE and store them
+ in GREGS. */
+
+static void
+hppabsd_collect_gregset (const struct regcache *regcache,
+ void *gregs, int regnum)
+{
+ char *regs = gregs;
+ int i;
+
+ for (i = HPPA_R1_REGNUM; i <= HPPA_R31_REGNUM; i++)
+ {
+ if (regnum == -1 || regnum == i)
+ regcache_raw_collect (regcache, i, regs + i * 4);
+ }
+
+ if (regnum == -1 || regnum == HPPA_SAR_REGNUM)
+ regcache_raw_collect (regcache, HPPA_SAR_REGNUM, regs);
+ if (regnum == -1 || regnum == HPPA_PCOQ_HEAD_REGNUM)
+ regcache_raw_collect (regcache, HPPA_PCOQ_HEAD_REGNUM, regs + 32 * 4);
+ if (regnum == -1 || regnum == HPPA_PCOQ_TAIL_REGNUM)
+ regcache_raw_collect (regcache, HPPA_PCOQ_TAIL_REGNUM, regs + 33 * 4);
+}
+
+
+/* Fetch register REGNUM from the inferior. If REGNUM is -1, do this
+ for all registers (including the floating-point registers). */
+
+void
+fetch_inferior_registers (int regnum)
+{
+ struct regcache *regcache = current_regcache;
+
+ if (regnum == -1 || hppabsd_gregset_supplies_p (regnum))
+ {
+ struct reg regs;
+
+ if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
+ (PTRACE_ARG3_TYPE) &regs, 0) == -1)
+ perror_with_name ("Couldn't get registers");
+
+ hppabsd_supply_gregset (regcache, &regs);
+ }
+}
+
+/* Store register REGNUM back into the inferior. If REGNUM is -1, do
+ this for all registers (including the floating-point registers). */
+
+void
+store_inferior_registers (int regnum)
+{
+ if (regnum == -1 || hppabsd_gregset_supplies_p (regnum))
+ {
+ struct reg regs;
+
+ if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
+ (PTRACE_ARG3_TYPE) &regs, 0) == -1)
+ perror_with_name ("Couldn't get registers");
+
+ hppabsd_collect_gregset (current_regcache, &regs, regnum);
+
+ if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
+ (PTRACE_ARG3_TYPE) &regs, 0) == -1)
+ perror_with_name ("Couldn't write registers");
+ }
+}