/* Target-dependent code for OpenBSD/mips64.
- Copyright (C) 2004, 2007, 2008 Free Software Foundation, Inc.
+ Copyright (C) 2004-2015 Free Software Foundation, Inc.
This file is part of GDB.
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
+#include "gdbtypes.h"
#include "osabi.h"
#include "regcache.h"
#include "regset.h"
#include "trad-frame.h"
#include "tramp-frame.h"
-#include "gdb_assert.h"
-#include "gdb_string.h"
-
+#include "obsd-tdep.h"
#include "mips-tdep.h"
#include "solib-svr4.h"
+/* The MIPS64 Floating-Point Quad-Precision format is similar to
+ big-endian IA-64 Quad-Precision format. */
+#define floatformats_mips64_quad floatformats_ia64_quad
+
#define MIPS64OBSD_NUM_REGS 73
/* Core file support. */
struct regcache *regcache, int regnum,
const void *gregs, size_t len)
{
- const char *regs = gregs;
+ const char *regs = (const char *) gregs;
int i;
for (i = 0; i < MIPS64OBSD_NUM_REGS; i++)
/* OpenBSD/mips64 register set. */
-static struct regset mips64obsd_gregset =
+static const struct regset mips64obsd_gregset =
{
NULL,
mips64obsd_supply_gregset
};
-/* Return the appropriate register set for the core section identified
- by SECT_NAME and SECT_SIZE. */
+/* Iterate over core file register note sections. */
-static const struct regset *
-mips64obsd_regset_from_core_section (struct gdbarch *gdbarch,
- const char *sect_name, size_t sect_size)
+static void
+mips64obsd_iterate_over_regset_sections (struct gdbarch *gdbarch,
+ iterate_over_regset_sections_cb *cb,
+ void *cb_data,
+ const struct regcache *regcache)
{
- if (strcmp (sect_name, ".reg") == 0 && sect_size >= MIPS64OBSD_NUM_REGS * 8)
- return &mips64obsd_gregset;
-
- return NULL;
+ cb (".reg", MIPS64OBSD_NUM_REGS * 8, &mips64obsd_gregset, NULL, cb_data);
}
\f
static void
mips64obsd_sigframe_init (const struct tramp_frame *self,
- struct frame_info *next_frame,
+ struct frame_info *this_frame,
struct trad_frame_cache *cache,
CORE_ADDR func)
{
- struct gdbarch *gdbarch = get_frame_arch (next_frame);
+ struct gdbarch *gdbarch = get_frame_arch (this_frame);
CORE_ADDR sp, sigcontext_addr, addr;
int regnum;
/* We find the appropriate instance of `struct sigcontext' at a
fixed offset in the signal frame. */
- sp = frame_unwind_register_signed (next_frame,
- MIPS_SP_REGNUM
- + gdbarch_num_regs (gdbarch));
+ sp = get_frame_register_signed (this_frame,
+ MIPS_SP_REGNUM + gdbarch_num_regs (gdbarch));
sigcontext_addr = sp + 32;
/* PC. */
/* OpenBSD/mips64 only supports the n64 ABI, but the braindamaged
way GDB works, forces us to pretend we can handle them all. */
- set_gdbarch_regset_from_core_section
- (gdbarch, mips64obsd_regset_from_core_section);
+ set_gdbarch_iterate_over_regset_sections
+ (gdbarch, mips64obsd_iterate_over_regset_sections);
tramp_frame_prepend_unwinder (gdbarch, &mips64obsd_sigframe);
+ set_gdbarch_long_double_bit (gdbarch, 128);
+ set_gdbarch_long_double_format (gdbarch, floatformats_mips64_quad);
+
+ obsd_init_abi(info, gdbarch);
+
/* OpenBSD/mips64 has SVR4-style shared libraries. */
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_lp64_fetch_link_map_offsets);