/* Target-dependent code for OpenBSD/hppa
- Copyright (C) 2004, 2005, 2006, 2008, 2009 Free Software Foundation, Inc.
+ Copyright (C) 2004-2013 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
+ 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 "osabi.h"
#include "gdb_string.h"
#include "hppa-tdep.h"
+#include "hppabsd-tdep.h"
/* Core file support. */
/* Sizeof `struct reg' in <machine/reg.h>. */
-#define HPPABSD_SIZEOF_GREGS (34 * 4)
+#define HPPAOBSD_SIZEOF_GREGS (34 * 4) /* OpenBSD 5.1 and earlier. */
+#define HPPANBSD_SIZEOF_GREGS (46 * 4) /* NetBSD and OpenBSD 5.2 and later. */
+
+/* Sizeof `struct fpreg' in <machine/reg.h>. */
+#define HPPAOBSD_SIZEOF_FPREGS (32 * 8)
/* 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
-hppabsd_supply_gregset (const struct regset *regset, struct regcache *regcache,
- int regnum, const void *gregs, size_t len)
+hppaobsd_supply_gregset (const struct regset *regset,
+ struct regcache *regcache,
+ int regnum, const void *gregs, size_t len)
{
+ gdb_byte zero[4] = { 0 };
const gdb_byte *regs = gregs;
size_t offset;
int i;
- gdb_assert (len >= HPPABSD_SIZEOF_GREGS);
+ gdb_assert (len >= HPPAOBSD_SIZEOF_GREGS);
+ if (regnum == -1 || regnum == HPPA_R0_REGNUM)
+ regcache_raw_supply (regcache, HPPA_R0_REGNUM, &zero);
for (i = HPPA_R1_REGNUM, offset = 4; i <= HPPA_R31_REGNUM; i++, offset += 4)
{
if (regnum == -1 || regnum == i)
regcache_raw_supply (regcache, i, regs + offset);
}
- if (regnum == -1 || regnum == HPPA_SAR_REGNUM)
- regcache_raw_supply (regcache, HPPA_SAR_REGNUM, regs);
- if (regnum == -1 || regnum == HPPA_PCOQ_HEAD_REGNUM)
- regcache_raw_supply (regcache, HPPA_PCOQ_HEAD_REGNUM, regs + 32 * 4);
- if (regnum == -1 || regnum == HPPA_PCOQ_TAIL_REGNUM)
- regcache_raw_supply (regcache, HPPA_PCOQ_TAIL_REGNUM, regs + 33 * 4);
+ if (len >= HPPANBSD_SIZEOF_GREGS)
+ {
+ if (regnum == -1 || regnum == HPPA_IPSW_REGNUM)
+ regcache_raw_supply (regcache, HPPA_IPSW_REGNUM, regs);
+ if (regnum == -1 || regnum == HPPA_SAR_REGNUM)
+ regcache_raw_supply (regcache, HPPA_SAR_REGNUM, regs + 32 * 4);
+ if (regnum == -1 || regnum == HPPA_PCSQ_HEAD_REGNUM)
+ regcache_raw_supply (regcache, HPPA_PCSQ_HEAD_REGNUM, regs + 33 * 4);
+ if (regnum == -1 || regnum == HPPA_PCSQ_TAIL_REGNUM)
+ regcache_raw_supply (regcache, HPPA_PCSQ_TAIL_REGNUM, regs + 34 * 4);
+ if (regnum == -1 || regnum == HPPA_PCOQ_HEAD_REGNUM)
+ regcache_raw_supply (regcache, HPPA_PCOQ_HEAD_REGNUM, regs + 35 * 4);
+ if (regnum == -1 || regnum == HPPA_PCOQ_TAIL_REGNUM)
+ regcache_raw_supply (regcache, HPPA_PCOQ_TAIL_REGNUM, regs + 36 * 4);
+ if (regnum == -1 || regnum == HPPA_SR0_REGNUM)
+ regcache_raw_supply (regcache, HPPA_SR0_REGNUM, regs + 37 * 4);
+ if (regnum == -1 || regnum == HPPA_SR1_REGNUM)
+ regcache_raw_supply (regcache, HPPA_SR1_REGNUM, regs + 38 * 4);
+ if (regnum == -1 || regnum == HPPA_SR2_REGNUM)
+ regcache_raw_supply (regcache, HPPA_SR2_REGNUM, regs + 39 * 4);
+ if (regnum == -1 || regnum == HPPA_SR3_REGNUM)
+ regcache_raw_supply (regcache, HPPA_SR3_REGNUM, regs + 40 * 4);
+ if (regnum == -1 || regnum == HPPA_SR4_REGNUM)
+ regcache_raw_supply (regcache, HPPA_SR4_REGNUM, regs + 41 * 4);
+ if (regnum == -1 || regnum == HPPA_SR5_REGNUM)
+ regcache_raw_supply (regcache, HPPA_SR5_REGNUM, regs + 42 * 4);
+ if (regnum == -1 || regnum == HPPA_SR6_REGNUM)
+ regcache_raw_supply (regcache, HPPA_SR6_REGNUM, regs + 43 * 4);
+ if (regnum == -1 || regnum == HPPA_SR7_REGNUM)
+ regcache_raw_supply (regcache, HPPA_SR7_REGNUM, regs + 44 * 4);
+ if (regnum == -1 || regnum == HPPA_CR26_REGNUM)
+ regcache_raw_supply (regcache, HPPA_CR26_REGNUM, regs + 45 * 4);
+ if (regnum == -1 || regnum == HPPA_CR27_REGNUM)
+ regcache_raw_supply (regcache, HPPA_CR27_REGNUM, regs + 46 * 4);
+ }
+ else
+ {
+ if (regnum == -1 || regnum == HPPA_SAR_REGNUM)
+ regcache_raw_supply (regcache, HPPA_SAR_REGNUM, regs);
+ if (regnum == -1 || regnum == HPPA_PCOQ_HEAD_REGNUM)
+ regcache_raw_supply (regcache, HPPA_PCOQ_HEAD_REGNUM, regs + 32 * 4);
+ if (regnum == -1 || regnum == HPPA_PCOQ_TAIL_REGNUM)
+ regcache_raw_supply (regcache, HPPA_PCOQ_TAIL_REGNUM, regs + 33 * 4);
+ }
}
-/* OpenBSD/hppa register set. */
+/* Supply register REGNUM from the buffer specified by FPREGS and LEN
+ in the floating-point register set REGSET to register cache
+ REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */
-static struct regset hppabsd_gregset =
+static void
+hppaobsd_supply_fpregset (const struct regset *regset,
+ struct regcache *regcache,
+ int regnum, const void *fpregs, size_t len)
+{
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ const gdb_byte *regs = fpregs;
+ int i;
+
+ gdb_assert (len >= HPPAOBSD_SIZEOF_FPREGS);
+
+ for (i = HPPA_FP0_REGNUM; i <= HPPA_FP31R_REGNUM; i++)
+ {
+ if (regnum == i || regnum == -1)
+ regcache_raw_supply (regcache, i, regs + (i - HPPA_FP0_REGNUM) * 4);
+ }
+}
+
+/* OpenBSD/hppa register sets. */
+
+static struct regset hppaobsd_gregset =
+{
+ NULL,
+ hppaobsd_supply_gregset
+};
+
+static struct regset hppaobsd_fpregset =
{
NULL,
- hppabsd_supply_gregset
+ hppaobsd_supply_fpregset
};
/* Return the appropriate register set for the core section identified
hppaobsd_regset_from_core_section (struct gdbarch *gdbarch,
const char *sect_name, size_t sect_size)
{
- if (strcmp (sect_name, ".reg") == 0 && sect_size >= HPPABSD_SIZEOF_GREGS)
- return &hppabsd_gregset;
+ if (strcmp (sect_name, ".reg") == 0 && sect_size >= HPPAOBSD_SIZEOF_GREGS)
+ return &hppaobsd_gregset;
+
+ if (strcmp (sect_name, ".reg2") == 0 && sect_size >= HPPAOBSD_SIZEOF_FPREGS)
+ return &hppaobsd_fpregset;
return NULL;
}
\f
-void hppabsd_init_abi (struct gdbarch_info, struct gdbarch *);
-
-void
+static void
hppaobsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
/* Obviously OpenBSD is BSD-based. */
/* Core file support. */
set_gdbarch_regset_from_core_section
(gdbarch, hppaobsd_regset_from_core_section);
-
}
\f
projects / deliverable / binutils-gdb.git / blobdiff