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authorMark Kettenis <kettenis@gnu.org>2004-10-23 12:14:02 +0000
committerMark Kettenis <kettenis@gnu.org>2004-10-23 12:14:02 +0000
commitabc0878268dfb82e186b93665148445000370942 (patch)
tree83c1b3b999f9d30cac9d6b7f84f677aa63d3c61c /gdb
parent95706ff588060f513331367bbdfb054927d1daac (diff)
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* mips64obsd-nat.c, mips64obsd-tdep.c: New files.
* configure.host: Add mips64*-*-openbsd*. * configure.tgt: Add mips64*-*-openbsd*. * Makefile.in (ALLDEPFILES): Add mips64obsd-nat.o, mips64obsd-tdep.c. (mips64obsd-nat.o, mips64obsd-tdep.o): New dependecies. * config/mips/obsd64.mh, config/mips/obsd64.mt: New files.
Diffstat (limited to 'gdb')
-rw-r--r--gdb/ChangeLog10
-rw-r--r--gdb/config/mips/obsd64.mh3
-rw-r--r--gdb/config/mips/obsd64.mt3
-rw-r--r--gdb/configure.host1
-rw-r--r--gdb/configure.tgt1
-rw-r--r--gdb/mips64obsd-nat.c112
-rw-r--r--gdb/mips64obsd-tdep.c98
7 files changed, 228 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 7436d27..b80bd75 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,13 @@
+2004-10-23 Mark Kettenis <kettenis@gnu.org>
+
+ * mips64obsd-nat.c, mips64obsd-tdep.c: New files.
+ * configure.host: Add mips64*-*-openbsd*.
+ * configure.tgt: Add mips64*-*-openbsd*.
+ * Makefile.in (ALLDEPFILES): Add mips64obsd-nat.o,
+ mips64obsd-tdep.c.
+ (mips64obsd-nat.o, mips64obsd-tdep.o): New dependecies.
+ * config/mips/obsd64.mh, config/mips/obsd64.mt: New files.
+
2004-10-21 Joel Brobecker <brobecker@gnat.com>
* symtab.c (symbol_search_name): Minor reformatting.
diff --git a/gdb/config/mips/obsd64.mh b/gdb/config/mips/obsd64.mh
new file mode 100644
index 0000000..6d53df0
--- /dev/null
+++ b/gdb/config/mips/obsd64.mh
@@ -0,0 +1,3 @@
+# Host: OpenBSD/mips64
+NATDEPFILES= fork-child.o inf-ptrace.o \
+ mips64obsd-nat.o
diff --git a/gdb/config/mips/obsd64.mt b/gdb/config/mips/obsd64.mt
new file mode 100644
index 0000000..9658ab2
--- /dev/null
+++ b/gdb/config/mips/obsd64.mt
@@ -0,0 +1,3 @@
+# Target: OpenBSD/mips64
+TDEPFILES= mips-tdep.o mips64obsd-tdep.o corelow.o solib.o solib-svr4.o
+DEPRECATED_TM_FILE= tm-nbsd.h
diff --git a/gdb/configure.host b/gdb/configure.host
index f730891..951f189 100644
--- a/gdb/configure.host
+++ b/gdb/configure.host
@@ -103,6 +103,7 @@ mips-sgi-irix6*) gdb_host=irix6 ;;
mips*-*-linux*) gdb_host=linux ;;
mips*-*-netbsd* | mips*-*-knetbsd*-gnu)
gdb_host=nbsd ;;
+mips64*-*-openbsd*) gdb_host=obsd64 ;;
ns32k-*-netbsd*) gdb_host=nbsdaout ;;
diff --git a/gdb/configure.tgt b/gdb/configure.tgt
index 0b1f627..fed1c0e 100644
--- a/gdb/configure.tgt
+++ b/gdb/configure.tgt
@@ -139,6 +139,7 @@ mips*-*-linux*) gdb_target=linux
;;
mips*-*-netbsd* | mips*-*-knetbsd*-gnu)
gdb_target=nbsd ;;
+mips64*-*-openbsd*) gdb_target=obsd64 ;;
mips*-*-vxworks*) gdb_target=vxmips ;;
mips*-*-*) gdb_target=embed ;;
diff --git a/gdb/mips64obsd-nat.c b/gdb/mips64obsd-nat.c
new file mode 100644
index 0000000..eee3e5e
--- /dev/null
+++ b/gdb/mips64obsd-nat.c
@@ -0,0 +1,112 @@
+/* Native-dependent code for OpenBSD/mips64.
+
+ 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 "target.h"
+
+#include <sys/types.h>
+#include <sys/ptrace.h>
+#include <machine/reg.h>
+
+#include "inf-ptrace.h"
+
+#define MIPS64OBSD_NUM_REGS 73
+
+/* Supply the general-purpose registers stored in GREGS to REGCACHE. */
+
+static void
+mips64obsd_supply_gregset (struct regcache *regcache, const void *gregs)
+{
+ const char *regs = gregs;
+ int regnum;
+
+ for (regnum = 0; regnum < MIPS64OBSD_NUM_REGS; regnum++)
+ regcache_raw_supply (regcache, regnum, regs + regnum * 8);
+}
+
+/* Collect the general-purpose registers from REGCACHE and store them
+ in GREGS. */
+
+static void
+mips64obsd_collect_gregset (const struct regcache *regcache,
+ void *gregs, int regnum)
+{
+ char *regs = gregs;
+ int i;
+
+ for (i = 0; i <= MIPS64OBSD_NUM_REGS; i++)
+ {
+ if (regnum == -1 || regnum == i)
+ regcache_raw_collect (regcache, i, regs + i * 8);
+ }
+}
+
+
+/* Fetch register REGNUM from the inferior. If REGNUM is -1, do this
+ for all registers. */
+
+static void
+mips64obsd_fetch_inferior_registers (int regnum)
+{
+ struct reg regs;
+
+ if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
+ (PTRACE_TYPE_ARG3) &regs, 0) == -1)
+ perror_with_name ("Couldn't get registers");
+
+ mips64obsd_supply_gregset (current_regcache, &regs);
+}
+
+/* Store register REGNUM back into the inferior. If REGNUM is -1, do
+ this for all registers. */
+
+static void
+mips64obsd_store_inferior_registers (int regnum)
+{
+ struct reg regs;
+
+ if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
+ (PTRACE_TYPE_ARG3) &regs, 0) == -1)
+ perror_with_name ("Couldn't get registers");
+
+ mips64obsd_collect_gregset (current_regcache, &regs, regnum);
+
+ if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
+ (PTRACE_TYPE_ARG3) &regs, 0) == -1)
+ perror_with_name ("Couldn't write registers");
+}
+
+
+/* Provide a prototype to silence -Wmissing-prototypes. */
+void _initialize_mips64obsd_nat (void);
+
+void
+_initialize_mips64obsd_nat (void)
+{
+ struct target_ops *t;
+
+ t = inf_ptrace_target ();
+ t->to_fetch_registers = mips64obsd_fetch_inferior_registers;
+ t->to_store_registers = mips64obsd_store_inferior_registers;
+ add_target (t);
+}
diff --git a/gdb/mips64obsd-tdep.c b/gdb/mips64obsd-tdep.c
new file mode 100644
index 0000000..34ca830
--- /dev/null
+++ b/gdb/mips64obsd-tdep.c
@@ -0,0 +1,98 @@
+/* Target-dependent code for OpenBSD/mips64.
+
+ 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 "osabi.h"
+#include "regcache.h"
+#include "regset.h"
+
+#include "gdb_string.h"
+
+#include "mips-tdep.h"
+#include "solib-svr4.h"
+
+#define MIPS64OBSD_NUM_REGS 73
+
+/* Core file support. */
+
+/* Supply register REGNUM from the buffer specified by GREGS and LEN
+ in the general-purpose register set REGSET to register cache
+ REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */
+
+static void
+mips64obsd_supply_gregset (const struct regset *regset,
+ struct regcache *regcache, int regnum,
+ const void *gregs, size_t len)
+{
+ const char *regs = gregs;
+ int i;
+
+ for (i = 0; i < MIPS64OBSD_NUM_REGS; i++)
+ {
+ if (regnum == i || regnum == -1)
+ regcache_raw_supply (regcache, i, regs + i * 8);
+ }
+}
+
+/* OpenBSD/mips64 register set. */
+
+static struct regset mips64obsd_gregset =
+{
+ NULL,
+ mips64obsd_supply_gregset
+};
+
+/* Return the appropriate register set for the core section identified
+ by SECT_NAME and SECT_SIZE. */
+
+static const struct regset *
+mips64obsd_regset_from_core_section (struct gdbarch *gdbarch,
+ const char *sect_name, size_t sect_size)
+{
+ if (strcmp (sect_name, ".reg") == 0 && sect_size >= MIPS64OBSD_NUM_REGS * 8)
+ return &mips64obsd_gregset;
+
+ return NULL;
+}
+
+
+static void
+mips64obsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
+{
+ set_gdbarch_regset_from_core_section
+ (gdbarch, mips64obsd_regset_from_core_section);
+
+ set_gdbarch_software_single_step (gdbarch, mips_software_single_step);
+
+ set_solib_svr4_fetch_link_map_offsets
+ (gdbarch, svr4_lp64_fetch_link_map_offsets);
+}
+
+
+/* Provide a prototype to silence -Wmissing-prototypes. */
+void _initialize_mips64obsd_tdep (void);
+
+void
+_initialize_mips64obsd_tdep (void)
+{
+ gdbarch_register_osabi (bfd_arch_mips, 0, GDB_OSABI_OPENBSD_ELF,
+ mips64obsd_init_abi);
+}