/* Target-dependent code for NetBSD/powerpc.
- Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+ Copyright (C) 2002-2014 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 "gdbtypes.h"
#include "trad-frame.h"
#include "tramp-frame.h"
-#include "gdb_assert.h"
-#include "gdb_string.h"
-
#include "ppc-tdep.h"
#include "ppcnbsd-tdep.h"
#include "solib-svr4.h"
/* Core file support. */
-/* NetBSD/powerpc register set. */
+/* NetBSD/powerpc register sets. */
-struct regset ppcnbsd_gregset =
+const struct regset ppcnbsd_gregset =
{
&ppcnbsd_reg_offsets,
ppc_supply_gregset
};
-struct regset ppcnbsd_fpregset =
+const struct regset ppcnbsd_fpregset =
{
&ppcnbsd_reg_offsets,
ppc_supply_fpregset
};
-/* 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 *
-ppcnbsd_regset_from_core_section (struct gdbarch *gdbarch,
- const char *sect_name, size_t sect_size)
+static void
+ppcnbsd_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 >= 148)
- return &ppcnbsd_gregset;
-
- if (strcmp (sect_name, ".reg2") == 0 && sect_size >= 264)
- return &ppcnbsd_fpregset;
-
- return NULL;
+ cb (".reg", 148, &ppcnbsd_gregset, NULL, cb_data);
+ cb (".reg2", 264, &ppcnbsd_fpregset, NULL, cb_data);
}
\f
/* NetBSD is confused. It appears that 1.5 was using the correct SVR4
convention but, 1.6 switched to the below broken convention. For
- the moment use the broken convention. Ulgh!. */
+ the moment use the broken convention. Ulgh! */
static enum return_value_convention
-ppcnbsd_return_value (struct gdbarch *gdbarch, struct type *valtype,
- struct regcache *regcache, gdb_byte *readbuf,
- const gdb_byte *writebuf)
+ppcnbsd_return_value (struct gdbarch *gdbarch, struct value *function,
+ struct type *valtype, struct regcache *regcache,
+ gdb_byte *readbuf, const gdb_byte *writebuf)
{
#if 0
if ((TYPE_CODE (valtype) == TYPE_CODE_STRUCT
return RETURN_VALUE_STRUCT_CONVENTION;
else
#endif
- return ppc_sysv_abi_broken_return_value (gdbarch, valtype, regcache,
- readbuf, writebuf);
+ return ppc_sysv_abi_broken_return_value (gdbarch, function, valtype,
+ regcache, readbuf, writebuf);
}
\f
static void
ppcnbsd_sigtramp_cache_init (const struct tramp_frame *self,
- struct frame_info *next_frame,
+ struct frame_info *this_frame,
struct trad_frame_cache *this_cache,
CORE_ADDR func)
{
- struct gdbarch *gdbarch = get_frame_arch (next_frame);
+ struct gdbarch *gdbarch = get_frame_arch (this_frame);
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
CORE_ADDR addr, base;
int i;
- base = frame_unwind_register_unsigned (next_frame, SP_REGNUM);
+ base = get_frame_register_unsigned (this_frame,
+ gdbarch_sp_regnum (gdbarch));
if (self == &ppcnbsd2_sigtramp)
addr = base + 0x10 + 2 * tdep->wordsize;
else
addr += tdep->wordsize;
trad_frame_set_reg_addr (this_cache, tdep->ppc_ctr_regnum, addr);
addr += tdep->wordsize;
- trad_frame_set_reg_addr (this_cache, PC_REGNUM, addr); /* SRR0? */
+ trad_frame_set_reg_addr (this_cache, gdbarch_pc_regnum (gdbarch),
+ addr); /* SRR0? */
addr += tdep->wordsize;
/* Construct the frame ID using the function start. */
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_ilp32_fetch_link_map_offsets);
- set_gdbarch_regset_from_core_section
- (gdbarch, ppcnbsd_regset_from_core_section);
+ set_gdbarch_iterate_over_regset_sections
+ (gdbarch, ppcnbsd_iterate_over_regset_sections);
tramp_frame_prepend_unwinder (gdbarch, &ppcnbsd_sigtramp);
tramp_frame_prepend_unwinder (gdbarch, &ppcnbsd2_sigtramp);
{
/* General-purpose registers. */
ppcnbsd_reg_offsets.r0_offset = 0;
+ ppcnbsd_reg_offsets.gpr_size = 4;
+ ppcnbsd_reg_offsets.xr_size = 4;
ppcnbsd_reg_offsets.lr_offset = 128;
ppcnbsd_reg_offsets.cr_offset = 132;
ppcnbsd_reg_offsets.xer_offset = 136;
/* Floating-point registers. */
ppcnbsd_reg_offsets.f0_offset = 0;
ppcnbsd_reg_offsets.fpscr_offset = 256;
+ ppcnbsd_reg_offsets.fpscr_size = 4;
/* AltiVec registers. */
ppcnbsd_reg_offsets.vr0_offset = 0;