/* Target-dependent code for the Matsushita MN10300 for GDB, the GNU debugger.
- Copyright (C) 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+ Copyright (C) 2003-2016 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 "gdbcore.h"
-#include "gdb_string.h"
#include "regcache.h"
#include "mn10300-tdep.h"
-#include "gdb_assert.h"
#include "bfd.h"
#include "elf-bfd.h"
#include "osabi.h"
#include "frame.h"
#include "trad-frame.h"
#include "tramp-frame.h"
-
-#include <stdlib.h>
+#include "linux-tdep.h"
/* Transliterated from <asm-mn10300/elf.h>... */
#define MN10300_ELF_NGREG 28
Given a section name and size, create a struct reg object
with a supply_register and a collect_register method. */
-/* Copy register value of REGNUM from regset to regcache.
+/* Copy register value of REGNUM from regset to regcache.
If REGNUM is -1, do this for all gp registers in regset. */
static void
const mn10300_elf_greg_t *regp = (const mn10300_elf_greg_t *) gregs;
int i;
- gdb_assert (len == sizeof (mn10300_elf_gregset_t));
+ gdb_assert (len >= sizeof (mn10300_elf_gregset_t));
switch (regnum) {
case E_D0_REGNUM:
return;
}
-/* Copy fp register value of REGNUM from regset to regcache.
- If REGNUM is -1, do this for all fp registers in regset. */
+/* Copy fp register value of REGNUM from regset to regcache.
+ If REGNUM is -1, do this for all fp registers in regset. */
static void
am33_supply_fpregset_method (const struct regset *regset,
struct regcache *regcache,
int regnum, const void *fpregs, size_t len)
{
- const mn10300_elf_fpregset_t *fpregset = fpregs;
+ const mn10300_elf_fpregset_t *fpregset
+ = (const mn10300_elf_fpregset_t *) fpregs;
- gdb_assert (len == sizeof (mn10300_elf_fpregset_t));
+ gdb_assert (len >= sizeof (mn10300_elf_fpregset_t));
if (regnum == -1)
{
E_FPCR_REGNUM, fpregs, len);
}
else if (regnum == E_FPCR_REGNUM)
- regcache_raw_supply (current_regcache, E_FPCR_REGNUM,
+ regcache_raw_supply (regcache, E_FPCR_REGNUM,
&fpregset->fpcr);
- else if (E_FS0_REGNUM <= regnum && regnum < E_FS0_REGNUM + MN10300_ELF_NFPREG)
- regcache_raw_supply (current_regcache, regnum,
+ else if (E_FS0_REGNUM <= regnum
+ && regnum < E_FS0_REGNUM + MN10300_ELF_NFPREG)
+ regcache_raw_supply (regcache, regnum,
&fpregset->fpregs[regnum - E_FS0_REGNUM]);
return;
const struct regcache *regcache,
int regnum, void *gregs, size_t len)
{
- mn10300_elf_gregset_t *regp = gregs;
+ mn10300_elf_gregset_t *regp = (gdb_byte (*)[28][4]) gregs;
int i;
- gdb_assert (len == sizeof (mn10300_elf_gregset_t));
+ gdb_assert (len >= sizeof (mn10300_elf_gregset_t));
switch (regnum) {
case E_D0_REGNUM:
const struct regcache *regcache,
int regnum, void *fpregs, size_t len)
{
- mn10300_elf_fpregset_t *fpregset = fpregs;
+ mn10300_elf_fpregset_t *fpregset = (mn10300_elf_fpregset_t *) fpregs;
- gdb_assert (len == sizeof (mn10300_elf_fpregset_t));
+ gdb_assert (len >= sizeof (mn10300_elf_fpregset_t));
if (regnum == -1)
{
E_FPCR_REGNUM, fpregs, len);
}
else if (regnum == E_FPCR_REGNUM)
- regcache_raw_collect (current_regcache, E_FPCR_REGNUM,
+ regcache_raw_collect (regcache, E_FPCR_REGNUM,
&fpregset->fpcr);
else if (E_FS0_REGNUM <= regnum
&& regnum < E_FS0_REGNUM + MN10300_ELF_NFPREG)
- regcache_raw_collect (current_regcache, regnum,
+ regcache_raw_collect (regcache, regnum,
&fpregset->fpregs[regnum - E_FS0_REGNUM]);
return;
}
-/* Create a struct regset from a corefile register section. */
+static const struct regset am33_gregset =
+ {
+ NULL, am33_supply_gregset_method, am33_collect_gregset_method
+ };
-static const struct regset *
-am33_regset_from_core_section (struct gdbarch *gdbarch,
- const char *sect_name,
- size_t sect_size)
-{
- /* We will call regset_alloc, and pass the names of the supply and
- collect methods. */
+static const struct regset am33_fpregset =
+ {
+ NULL, am33_supply_fpregset_method, am33_collect_fpregset_method
+ };
- if (sect_size == sizeof (mn10300_elf_fpregset_t))
- return regset_alloc (gdbarch,
- am33_supply_fpregset_method,
- am33_collect_fpregset_method);
- else
- return regset_alloc (gdbarch,
- am33_supply_gregset_method,
- am33_collect_gregset_method);
+/* Iterate over core file register note sections. */
+
+static void
+am33_iterate_over_regset_sections (struct gdbarch *gdbarch,
+ iterate_over_regset_sections_cb *cb,
+ void *cb_data,
+ const struct regcache *regcache)
+{
+ cb (".reg", sizeof (mn10300_elf_gregset_t), &am33_gregset,
+ NULL, cb_data);
+ cb (".reg2", sizeof(mn10300_elf_fpregset_t), &am33_fpregset,
+ NULL, cb_data);
}
\f
static void
am33_linux_sigframe_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);
{
void (*pretcode)(void);
int sig;
+ struct sigcontext *psc;
struct sigcontext sc;
struct fpucontext fpuctx;
unsigned long extramask[_NSIG_WORDS-1];
static void
am33_linux_sigframe_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)
{
CORE_ADDR sc_base, fpubase;
int i;
- sc_base = frame_unwind_register_unsigned (next_frame, E_SP_REGNUM);
+ sc_base = get_frame_register_unsigned (this_frame, E_SP_REGNUM);
if (self == &am33_linux_sigframe)
{
sc_base += 8;
+ sc_base = get_frame_memory_unsigned (this_frame, sc_base, 4);
}
else
{
sc_base += 12;
- sc_base = get_frame_memory_unsigned (next_frame, sc_base, 4);
+ sc_base = get_frame_memory_unsigned (this_frame, sc_base, 4);
sc_base += 20;
}
trad_frame_set_reg_addr (this_cache, E_PC_REGNUM,
sc_base + AM33_SIGCONTEXT_PC);
- fpubase = get_frame_memory_unsigned (next_frame,
- sc_base + AM33_SIGCONTEXT_FPUCONTEXT, 4);
+ fpubase = get_frame_memory_unsigned (this_frame,
+ sc_base + AM33_SIGCONTEXT_FPUCONTEXT,
+ 4);
if (fpubase)
{
for (i = 0; i < 32; i++)
Now's our chance to register our corefile handling. */
static void
-am33_linux_init_osabi (struct gdbarch_info gdbinfo, struct gdbarch *gdbarch)
+am33_linux_init_osabi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
- set_gdbarch_regset_from_core_section (gdbarch,
- am33_regset_from_core_section);
+ linux_init_abi (info, gdbarch);
+
+ set_gdbarch_iterate_over_regset_sections
+ (gdbarch, am33_iterate_over_regset_sections);
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_ilp32_fetch_link_map_offsets);
tramp_frame_prepend_unwinder (gdbarch, &am33_linux_rt_sigframe);
}
+/* Provide a prototype to silence -Wmissing-prototypes. */
+extern initialize_file_ftype _initialize_mn10300_linux_tdep;
+
void
_initialize_mn10300_linux_tdep (void)
{
projects / deliverable / binutils-gdb.git / blobdiff