/* Target-dependent code for NetBSD/alpha.
- Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc.
+ Copyright (C) 2002-2016 Free Software Foundation, Inc.
Contributed by Wasabi Systems, Inc.
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 "frame.h"
#include "regset.h"
#include "value.h"
-#include "gdb_assert.h"
-#include "gdb_string.h"
-
#include "alpha-tdep.h"
#include "alphabsd-tdep.h"
#include "nbsd-tdep.h"
#include "solib-svr4.h"
+#include "target.h"
/* Core file support. */
struct regcache *regcache,
int regnum, const void *fpregs, size_t len)
{
- const gdb_byte *regs = fpregs;
+ const gdb_byte *regs = (const gdb_byte *) fpregs;
int i;
gdb_assert (len >= ALPHANBSD_SIZEOF_FPREGS);
regcache_raw_supply (regcache, ALPHA_FPCR_REGNUM, regs + 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
-alphanbsd_supply_gregset (const struct regset *regset,
- struct regcache *regcache,
- int regnum, const void *gregs, size_t len)
-{
- const gdb_byte *regs = gregs;
- int i;
-
- gdb_assert (len >= ALPHANBSD_SIZEOF_GREGS);
-
- for (i = 0; i < ALPHA_ZERO_REGNUM; i++)
- {
- if (regnum == i || regnum == -1)
- regcache_raw_supply (regcache, i, regs + i * 8);
- }
-
- if (regnum == ALPHA_PC_REGNUM || regnum == -1)
- regcache_raw_supply (regcache, ALPHA_PC_REGNUM, regs + 31 * 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. */
struct regcache *regcache,
int regnum, const void *gregs, size_t len)
{
- const gdb_byte *regs = gregs;
+ const gdb_byte *regs = (const gdb_byte *) gregs;
int i;
/* Table to map a GDB register number to a trapframe register index. */
}
}
-/* NetBSD/alpha register sets. */
+/* 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 struct regset alphanbsd_gregset =
+static void
+alphanbsd_supply_gregset (const struct regset *regset,
+ struct regcache *regcache,
+ int regnum, const void *gregs, size_t len)
{
- NULL,
- alphanbsd_supply_gregset
-};
+ const gdb_byte *regs = (const gdb_byte *) gregs;
+ int i;
+
+ if (len >= ALPHANBSD_SIZEOF_GREGS + ALPHANBSD_SIZEOF_FPREGS)
+ {
+ alphanbsd_aout_supply_gregset (regset, regcache, regnum, gregs, len);
+ return;
+ }
+
+ for (i = 0; i < ALPHA_ZERO_REGNUM; i++)
+ {
+ if (regnum == i || regnum == -1)
+ regcache_raw_supply (regcache, i, regs + i * 8);
+ }
-static struct regset alphanbsd_fpregset =
+ if (regnum == ALPHA_PC_REGNUM || regnum == -1)
+ regcache_raw_supply (regcache, ALPHA_PC_REGNUM, regs + 31 * 8);
+}
+
+/* NetBSD/alpha register sets. */
+
+static const struct regset alphanbsd_gregset =
{
NULL,
- alphanbsd_supply_fpregset
+ alphanbsd_supply_gregset,
+ NULL,
+ REGSET_VARIABLE_SIZE
};
-static struct regset alphanbsd_aout_gregset =
+static const struct regset alphanbsd_fpregset =
{
NULL,
- alphanbsd_aout_supply_gregset
+ alphanbsd_supply_fpregset
};
-/* Return the appropriate register set for the core section identified
- by SECT_NAME and SECT_SIZE. */
+/* Iterate over supported core file register note sections. */
-const struct regset *
-alphanbsd_regset_from_core_section (struct gdbarch *gdbarch,
- const char *sect_name, size_t sect_size)
+void
+alphanbsd_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 >= ALPHANBSD_SIZEOF_GREGS)
- {
- if (sect_size >= ALPHANBSD_SIZEOF_GREGS + ALPHANBSD_SIZEOF_FPREGS)
- return &alphanbsd_aout_gregset;
- else
- return &alphanbsd_gregset;
- }
-
- if (strcmp (sect_name, ".reg2") == 0 && sect_size >= ALPHANBSD_SIZEOF_FPREGS)
- return &alphanbsd_fpregset;
-
- return NULL;
+ cb (".reg", ALPHANBSD_SIZEOF_GREGS, &alphanbsd_gregset, NULL, cb_data);
+ cb (".reg2", ALPHANBSD_SIZEOF_FPREGS, &alphanbsd_fpregset, NULL, cb_data);
}
\f
sequence and can then check whether we really are executing in the
signal trampoline. If not, -1 is returned, otherwise the offset from the
start of the return sequence is returned. */
-static const unsigned char sigtramp_retcode[] =
+static const gdb_byte sigtramp_retcode[] =
{
0x00, 0x00, 0x1e, 0xa6, /* ldq a0, 0(sp) */
0x10, 0x00, 0xde, 0x23, /* lda sp, 16(sp) */
#define RETCODE_SIZE (RETCODE_NWORDS * 4)
static LONGEST
-alphanbsd_sigtramp_offset (CORE_ADDR pc)
+alphanbsd_sigtramp_offset (struct gdbarch *gdbarch, CORE_ADDR pc)
{
- unsigned char ret[RETCODE_SIZE], w[4];
+ gdb_byte ret[RETCODE_SIZE], w[4];
LONGEST off;
int i;
- if (deprecated_read_memory_nobpt (pc, (char *) w, 4) != 0)
+ if (target_read_memory (pc, w, 4) != 0)
return -1;
for (i = 0; i < RETCODE_NWORDS; i++)
off = i * 4;
pc -= off;
- if (deprecated_read_memory_nobpt (pc, (char *) ret, sizeof (ret)) != 0)
+ if (target_read_memory (pc, ret, sizeof (ret)) != 0)
return -1;
if (memcmp (ret, sigtramp_retcode, RETCODE_SIZE) == 0)
}
static int
-alphanbsd_pc_in_sigtramp (CORE_ADDR pc, char *func_name)
+alphanbsd_pc_in_sigtramp (struct gdbarch *gdbarch,
+ CORE_ADDR pc, const char *func_name)
{
return (nbsd_pc_in_sigtramp (pc, func_name)
- || alphanbsd_sigtramp_offset (pc) >= 0);
+ || alphanbsd_sigtramp_offset (gdbarch, pc) >= 0);
}
static CORE_ADDR
/* FIXME: This is not correct for all versions of NetBSD/alpha.
We will probably need to disassemble the trampoline to figure
out which trampoline frame type we have. */
- return get_frame_base (frame);
+ if (!get_next_frame (frame))
+ return 0;
+ return get_frame_base (get_next_frame (frame));
}
\f
tdep->jb_pc = 2;
tdep->jb_elt_size = 8;
- set_gdbarch_regset_from_core_section
- (gdbarch, alphanbsd_regset_from_core_section);
+ set_gdbarch_iterate_over_regset_sections
+ (gdbarch, alphanbsd_iterate_over_regset_sections);
}
\f
gdbarch_register_osabi (bfd_arch_alpha, 0, GDB_OSABI_NETBSD_ELF,
alphanbsd_init_abi);
- gdbarch_register_osabi (bfd_arch_alpha, 0, GDB_OSABI_OPENBSD_ELF,
- alphanbsd_init_abi);
}