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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-6.8/] [gdb/] [mn10300-linux-tdep.c] - Diff between revs 827 and 840

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/* Target-dependent code for the Matsushita MN10300 for GDB, the GNU debugger.
/* Target-dependent code for the Matsushita MN10300 for GDB, the GNU debugger.
 
 
   Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008
   Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008
   Free Software Foundation, Inc.
   Free Software Foundation, Inc.
 
 
   This file is part of GDB.
   This file is part of GDB.
 
 
   This program is free software; you can redistribute it and/or modify
   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
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.
   (at your option) any later version.
 
 
   This program is distributed in the hope that it will be useful,
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   GNU General Public License for more details.
 
 
   You should have received a copy of the GNU General Public License
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 
#include "defs.h"
#include "defs.h"
#include "gdbcore.h"
#include "gdbcore.h"
#include "gdb_string.h"
#include "gdb_string.h"
#include "regcache.h"
#include "regcache.h"
#include "mn10300-tdep.h"
#include "mn10300-tdep.h"
#include "gdb_assert.h"
#include "gdb_assert.h"
#include "bfd.h"
#include "bfd.h"
#include "elf-bfd.h"
#include "elf-bfd.h"
#include "osabi.h"
#include "osabi.h"
#include "regset.h"
#include "regset.h"
#include "solib-svr4.h"
#include "solib-svr4.h"
#include "frame.h"
#include "frame.h"
#include "trad-frame.h"
#include "trad-frame.h"
#include "tramp-frame.h"
#include "tramp-frame.h"
 
 
#include <stdlib.h>
#include <stdlib.h>
 
 
/* Transliterated from <asm-mn10300/elf.h>...  */
/* Transliterated from <asm-mn10300/elf.h>...  */
#define MN10300_ELF_NGREG 28
#define MN10300_ELF_NGREG 28
#define MN10300_ELF_NFPREG 32
#define MN10300_ELF_NFPREG 32
 
 
typedef gdb_byte   mn10300_elf_greg_t[4];
typedef gdb_byte   mn10300_elf_greg_t[4];
typedef mn10300_elf_greg_t mn10300_elf_gregset_t[MN10300_ELF_NGREG];
typedef mn10300_elf_greg_t mn10300_elf_gregset_t[MN10300_ELF_NGREG];
 
 
typedef gdb_byte   mn10300_elf_fpreg_t[4];
typedef gdb_byte   mn10300_elf_fpreg_t[4];
typedef struct
typedef struct
{
{
  mn10300_elf_fpreg_t fpregs[MN10300_ELF_NFPREG];
  mn10300_elf_fpreg_t fpregs[MN10300_ELF_NFPREG];
  gdb_byte    fpcr[4];
  gdb_byte    fpcr[4];
} mn10300_elf_fpregset_t;
} mn10300_elf_fpregset_t;
 
 
/* elf_gregset_t register indices stolen from include/asm-mn10300/ptrace.h.  */
/* elf_gregset_t register indices stolen from include/asm-mn10300/ptrace.h.  */
#define MN10300_ELF_GREGSET_T_REG_INDEX_A3      0
#define MN10300_ELF_GREGSET_T_REG_INDEX_A3      0
#define MN10300_ELF_GREGSET_T_REG_INDEX_A2      1
#define MN10300_ELF_GREGSET_T_REG_INDEX_A2      1
#define MN10300_ELF_GREGSET_T_REG_INDEX_D3      2
#define MN10300_ELF_GREGSET_T_REG_INDEX_D3      2
#define MN10300_ELF_GREGSET_T_REG_INDEX_D2      3
#define MN10300_ELF_GREGSET_T_REG_INDEX_D2      3
#define MN10300_ELF_GREGSET_T_REG_INDEX_MCVF    4
#define MN10300_ELF_GREGSET_T_REG_INDEX_MCVF    4
#define MN10300_ELF_GREGSET_T_REG_INDEX_MCRL    5
#define MN10300_ELF_GREGSET_T_REG_INDEX_MCRL    5
#define MN10300_ELF_GREGSET_T_REG_INDEX_MCRH    6
#define MN10300_ELF_GREGSET_T_REG_INDEX_MCRH    6
#define MN10300_ELF_GREGSET_T_REG_INDEX_MDRQ    7
#define MN10300_ELF_GREGSET_T_REG_INDEX_MDRQ    7
#define MN10300_ELF_GREGSET_T_REG_INDEX_E1      8
#define MN10300_ELF_GREGSET_T_REG_INDEX_E1      8
#define MN10300_ELF_GREGSET_T_REG_INDEX_E0      9
#define MN10300_ELF_GREGSET_T_REG_INDEX_E0      9
#define MN10300_ELF_GREGSET_T_REG_INDEX_E7      10
#define MN10300_ELF_GREGSET_T_REG_INDEX_E7      10
#define MN10300_ELF_GREGSET_T_REG_INDEX_E6      11
#define MN10300_ELF_GREGSET_T_REG_INDEX_E6      11
#define MN10300_ELF_GREGSET_T_REG_INDEX_E5      12
#define MN10300_ELF_GREGSET_T_REG_INDEX_E5      12
#define MN10300_ELF_GREGSET_T_REG_INDEX_E4      13
#define MN10300_ELF_GREGSET_T_REG_INDEX_E4      13
#define MN10300_ELF_GREGSET_T_REG_INDEX_E3      14
#define MN10300_ELF_GREGSET_T_REG_INDEX_E3      14
#define MN10300_ELF_GREGSET_T_REG_INDEX_E2      15
#define MN10300_ELF_GREGSET_T_REG_INDEX_E2      15
#define MN10300_ELF_GREGSET_T_REG_INDEX_SP      16
#define MN10300_ELF_GREGSET_T_REG_INDEX_SP      16
#define MN10300_ELF_GREGSET_T_REG_INDEX_LAR     17
#define MN10300_ELF_GREGSET_T_REG_INDEX_LAR     17
#define MN10300_ELF_GREGSET_T_REG_INDEX_LIR     18
#define MN10300_ELF_GREGSET_T_REG_INDEX_LIR     18
#define MN10300_ELF_GREGSET_T_REG_INDEX_MDR     19
#define MN10300_ELF_GREGSET_T_REG_INDEX_MDR     19
#define MN10300_ELF_GREGSET_T_REG_INDEX_A1      20
#define MN10300_ELF_GREGSET_T_REG_INDEX_A1      20
#define MN10300_ELF_GREGSET_T_REG_INDEX_A0      21
#define MN10300_ELF_GREGSET_T_REG_INDEX_A0      21
#define MN10300_ELF_GREGSET_T_REG_INDEX_D1      22
#define MN10300_ELF_GREGSET_T_REG_INDEX_D1      22
#define MN10300_ELF_GREGSET_T_REG_INDEX_D0      23
#define MN10300_ELF_GREGSET_T_REG_INDEX_D0      23
#define MN10300_ELF_GREGSET_T_REG_INDEX_ORIG_D0 24
#define MN10300_ELF_GREGSET_T_REG_INDEX_ORIG_D0 24
#define MN10300_ELF_GREGSET_T_REG_INDEX_EPSW    25
#define MN10300_ELF_GREGSET_T_REG_INDEX_EPSW    25
#define MN10300_ELF_GREGSET_T_REG_INDEX_PC      26
#define MN10300_ELF_GREGSET_T_REG_INDEX_PC      26
 
 
/* New gdbarch API for corefile registers.
/* New gdbarch API for corefile registers.
   Given a section name and size, create a struct reg object
   Given a section name and size, create a struct reg object
   with a supply_register and a collect_register method.  */
   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.  */
   If REGNUM is -1, do this for all gp registers in regset.  */
 
 
static void
static void
am33_supply_gregset_method (const struct regset *regset,
am33_supply_gregset_method (const struct regset *regset,
                            struct regcache *regcache,
                            struct regcache *regcache,
                            int regnum, const void *gregs, size_t len)
                            int regnum, const void *gregs, size_t len)
{
{
  char zerobuf[MAX_REGISTER_SIZE];
  char zerobuf[MAX_REGISTER_SIZE];
  const mn10300_elf_greg_t *regp = (const mn10300_elf_greg_t *) gregs;
  const mn10300_elf_greg_t *regp = (const mn10300_elf_greg_t *) gregs;
  int i;
  int i;
 
 
  gdb_assert (len == sizeof (mn10300_elf_gregset_t));
  gdb_assert (len == sizeof (mn10300_elf_gregset_t));
 
 
  switch (regnum) {
  switch (regnum) {
  case E_D0_REGNUM:
  case E_D0_REGNUM:
    regcache_raw_supply (regcache, E_D0_REGNUM,
    regcache_raw_supply (regcache, E_D0_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D0));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D0));
    break;
    break;
  case E_D1_REGNUM:
  case E_D1_REGNUM:
    regcache_raw_supply (regcache, E_D1_REGNUM,
    regcache_raw_supply (regcache, E_D1_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D1));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D1));
    break;
    break;
  case E_D2_REGNUM:
  case E_D2_REGNUM:
    regcache_raw_supply (regcache, E_D2_REGNUM,
    regcache_raw_supply (regcache, E_D2_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D2));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D2));
    break;
    break;
  case E_D3_REGNUM:
  case E_D3_REGNUM:
    regcache_raw_supply (regcache, E_D3_REGNUM,
    regcache_raw_supply (regcache, E_D3_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D3));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D3));
    break;
    break;
  case E_A0_REGNUM:
  case E_A0_REGNUM:
    regcache_raw_supply (regcache, E_A0_REGNUM,
    regcache_raw_supply (regcache, E_A0_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A0));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A0));
    break;
    break;
  case E_A1_REGNUM:
  case E_A1_REGNUM:
    regcache_raw_supply (regcache, E_A1_REGNUM,
    regcache_raw_supply (regcache, E_A1_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A1));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A1));
    break;
    break;
  case E_A2_REGNUM:
  case E_A2_REGNUM:
    regcache_raw_supply (regcache, E_A2_REGNUM,
    regcache_raw_supply (regcache, E_A2_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A2));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A2));
    break;
    break;
  case E_A3_REGNUM:
  case E_A3_REGNUM:
    regcache_raw_supply (regcache, E_A3_REGNUM,
    regcache_raw_supply (regcache, E_A3_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A3));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A3));
    break;
    break;
  case E_SP_REGNUM:
  case E_SP_REGNUM:
    regcache_raw_supply (regcache, E_SP_REGNUM,
    regcache_raw_supply (regcache, E_SP_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_SP));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_SP));
    break;
    break;
  case E_PC_REGNUM:
  case E_PC_REGNUM:
    regcache_raw_supply (regcache, E_PC_REGNUM,
    regcache_raw_supply (regcache, E_PC_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_PC));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_PC));
    break;
    break;
  case E_MDR_REGNUM:
  case E_MDR_REGNUM:
    regcache_raw_supply (regcache, E_MDR_REGNUM,
    regcache_raw_supply (regcache, E_MDR_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MDR));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MDR));
    break;
    break;
  case E_PSW_REGNUM:
  case E_PSW_REGNUM:
    regcache_raw_supply (regcache, E_PSW_REGNUM,
    regcache_raw_supply (regcache, E_PSW_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_EPSW));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_EPSW));
    break;
    break;
  case E_LIR_REGNUM:
  case E_LIR_REGNUM:
    regcache_raw_supply (regcache, E_LIR_REGNUM,
    regcache_raw_supply (regcache, E_LIR_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_LIR));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_LIR));
    break;
    break;
  case E_LAR_REGNUM:
  case E_LAR_REGNUM:
    regcache_raw_supply (regcache, E_LAR_REGNUM,
    regcache_raw_supply (regcache, E_LAR_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_LAR));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_LAR));
    break;
    break;
  case E_MDRQ_REGNUM:
  case E_MDRQ_REGNUM:
    regcache_raw_supply (regcache, E_MDRQ_REGNUM,
    regcache_raw_supply (regcache, E_MDRQ_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MDRQ));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MDRQ));
    break;
    break;
  case E_E0_REGNUM:
  case E_E0_REGNUM:
    regcache_raw_supply (regcache, E_E0_REGNUM,
    regcache_raw_supply (regcache, E_E0_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E0));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E0));
    break;
    break;
  case E_E1_REGNUM:
  case E_E1_REGNUM:
    regcache_raw_supply (regcache, E_E1_REGNUM,
    regcache_raw_supply (regcache, E_E1_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E1));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E1));
    break;
    break;
  case E_E2_REGNUM:
  case E_E2_REGNUM:
    regcache_raw_supply (regcache, E_E2_REGNUM,
    regcache_raw_supply (regcache, E_E2_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E2));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E2));
    break;
    break;
  case E_E3_REGNUM:
  case E_E3_REGNUM:
    regcache_raw_supply (regcache, E_E3_REGNUM,
    regcache_raw_supply (regcache, E_E3_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E3));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E3));
    break;
    break;
  case E_E4_REGNUM:
  case E_E4_REGNUM:
    regcache_raw_supply (regcache, E_E4_REGNUM,
    regcache_raw_supply (regcache, E_E4_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E4));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E4));
    break;
    break;
  case E_E5_REGNUM:
  case E_E5_REGNUM:
    regcache_raw_supply (regcache, E_E5_REGNUM,
    regcache_raw_supply (regcache, E_E5_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E5));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E5));
    break;
    break;
  case E_E6_REGNUM:
  case E_E6_REGNUM:
    regcache_raw_supply (regcache, E_E6_REGNUM,
    regcache_raw_supply (regcache, E_E6_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E6));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E6));
    break;
    break;
  case E_E7_REGNUM:
  case E_E7_REGNUM:
    regcache_raw_supply (regcache, E_E7_REGNUM,
    regcache_raw_supply (regcache, E_E7_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E7));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E7));
    break;
    break;
 
 
    /* ssp, msp, and usp are inaccessible.  */
    /* ssp, msp, and usp are inaccessible.  */
  case E_E8_REGNUM:
  case E_E8_REGNUM:
    memset (zerobuf, 0, MAX_REGISTER_SIZE);
    memset (zerobuf, 0, MAX_REGISTER_SIZE);
    regcache_raw_supply (regcache, E_E8_REGNUM, zerobuf);
    regcache_raw_supply (regcache, E_E8_REGNUM, zerobuf);
    break;
    break;
  case E_E9_REGNUM:
  case E_E9_REGNUM:
    memset (zerobuf, 0, MAX_REGISTER_SIZE);
    memset (zerobuf, 0, MAX_REGISTER_SIZE);
    regcache_raw_supply (regcache, E_E9_REGNUM, zerobuf);
    regcache_raw_supply (regcache, E_E9_REGNUM, zerobuf);
    break;
    break;
  case E_E10_REGNUM:
  case E_E10_REGNUM:
    memset (zerobuf, 0, MAX_REGISTER_SIZE);
    memset (zerobuf, 0, MAX_REGISTER_SIZE);
    regcache_raw_supply (regcache, E_E10_REGNUM, zerobuf);
    regcache_raw_supply (regcache, E_E10_REGNUM, zerobuf);
 
 
    break;
    break;
  case E_MCRH_REGNUM:
  case E_MCRH_REGNUM:
    regcache_raw_supply (regcache, E_MCRH_REGNUM,
    regcache_raw_supply (regcache, E_MCRH_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCRH));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCRH));
    break;
    break;
  case E_MCRL_REGNUM:
  case E_MCRL_REGNUM:
    regcache_raw_supply (regcache, E_MCRL_REGNUM,
    regcache_raw_supply (regcache, E_MCRL_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCRL));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCRL));
    break;
    break;
  case E_MCVF_REGNUM:
  case E_MCVF_REGNUM:
    regcache_raw_supply (regcache, E_MCVF_REGNUM,
    regcache_raw_supply (regcache, E_MCVF_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCVF));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCVF));
    break;
    break;
  case E_FPCR_REGNUM:
  case E_FPCR_REGNUM:
    /* FPCR is numbered among the GP regs, but handled as an FP reg.
    /* FPCR is numbered among the GP regs, but handled as an FP reg.
       Do nothing.  */
       Do nothing.  */
    break;
    break;
  case E_FPCR_REGNUM + 1:
  case E_FPCR_REGNUM + 1:
    /* The two unused registers beyond fpcr are inaccessible.  */
    /* The two unused registers beyond fpcr are inaccessible.  */
    memset (zerobuf, 0, MAX_REGISTER_SIZE);
    memset (zerobuf, 0, MAX_REGISTER_SIZE);
    regcache_raw_supply (regcache, E_FPCR_REGNUM + 1, zerobuf);
    regcache_raw_supply (regcache, E_FPCR_REGNUM + 1, zerobuf);
    break;
    break;
  case E_FPCR_REGNUM + 2:
  case E_FPCR_REGNUM + 2:
    memset (zerobuf, 0, MAX_REGISTER_SIZE);
    memset (zerobuf, 0, MAX_REGISTER_SIZE);
    regcache_raw_supply (regcache, E_FPCR_REGNUM + 2, zerobuf);
    regcache_raw_supply (regcache, E_FPCR_REGNUM + 2, zerobuf);
    break;
    break;
  default:      /* An error, obviously, but should we error out?  */
  default:      /* An error, obviously, but should we error out?  */
    break;
    break;
  case -1:
  case -1:
    for (i = 0; i < MN10300_ELF_NGREG; i++)
    for (i = 0; i < MN10300_ELF_NGREG; i++)
      am33_supply_gregset_method (regset, regcache, i, gregs, len);
      am33_supply_gregset_method (regset, regcache, i, gregs, len);
    break;
    break;
  }
  }
  return;
  return;
}
}
 
 
/* Copy fp register value of REGNUM from regset to regcache.
/* Copy fp register value of REGNUM from regset to regcache.
   If REGNUM is -1, do this for all fp registers in regset. */
   If REGNUM is -1, do this for all fp registers in regset. */
 
 
static void
static void
am33_supply_fpregset_method (const struct regset *regset,
am33_supply_fpregset_method (const struct regset *regset,
                             struct regcache *regcache,
                             struct regcache *regcache,
                             int regnum, const void *fpregs, size_t len)
                             int regnum, const void *fpregs, size_t len)
{
{
  const mn10300_elf_fpregset_t *fpregset = fpregs;
  const mn10300_elf_fpregset_t *fpregset = fpregs;
 
 
  gdb_assert (len == sizeof (mn10300_elf_fpregset_t));
  gdb_assert (len == sizeof (mn10300_elf_fpregset_t));
 
 
  if (regnum == -1)
  if (regnum == -1)
    {
    {
      int i;
      int i;
 
 
      for (i = 0; i < MN10300_ELF_NFPREG; i++)
      for (i = 0; i < MN10300_ELF_NFPREG; i++)
        am33_supply_fpregset_method (regset, regcache,
        am33_supply_fpregset_method (regset, regcache,
                                     E_FS0_REGNUM + i, fpregs, len);
                                     E_FS0_REGNUM + i, fpregs, len);
      am33_supply_fpregset_method (regset, regcache,
      am33_supply_fpregset_method (regset, regcache,
                                   E_FPCR_REGNUM, fpregs, len);
                                   E_FPCR_REGNUM, fpregs, len);
    }
    }
  else if (regnum == E_FPCR_REGNUM)
  else if (regnum == E_FPCR_REGNUM)
    regcache_raw_supply (regcache, E_FPCR_REGNUM,
    regcache_raw_supply (regcache, E_FPCR_REGNUM,
                         &fpregset->fpcr);
                         &fpregset->fpcr);
  else if (E_FS0_REGNUM <= regnum && regnum < E_FS0_REGNUM + MN10300_ELF_NFPREG)
  else if (E_FS0_REGNUM <= regnum && regnum < E_FS0_REGNUM + MN10300_ELF_NFPREG)
    regcache_raw_supply (regcache, regnum,
    regcache_raw_supply (regcache, regnum,
                         &fpregset->fpregs[regnum - E_FS0_REGNUM]);
                         &fpregset->fpregs[regnum - E_FS0_REGNUM]);
 
 
  return;
  return;
}
}
 
 
/* Copy register values from regcache to regset.  */
/* Copy register values from regcache to regset.  */
 
 
static void
static void
am33_collect_gregset_method (const struct regset *regset,
am33_collect_gregset_method (const struct regset *regset,
                             const struct regcache *regcache,
                             const struct regcache *regcache,
                             int regnum, void *gregs, size_t len)
                             int regnum, void *gregs, size_t len)
{
{
  mn10300_elf_gregset_t *regp = gregs;
  mn10300_elf_gregset_t *regp = gregs;
  int i;
  int i;
 
 
  gdb_assert (len == sizeof (mn10300_elf_gregset_t));
  gdb_assert (len == sizeof (mn10300_elf_gregset_t));
 
 
  switch (regnum) {
  switch (regnum) {
  case E_D0_REGNUM:
  case E_D0_REGNUM:
    regcache_raw_collect (regcache, E_D0_REGNUM,
    regcache_raw_collect (regcache, E_D0_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D0));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D0));
    break;
    break;
  case E_D1_REGNUM:
  case E_D1_REGNUM:
    regcache_raw_collect (regcache, E_D1_REGNUM,
    regcache_raw_collect (regcache, E_D1_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D1));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D1));
    break;
    break;
  case E_D2_REGNUM:
  case E_D2_REGNUM:
    regcache_raw_collect (regcache, E_D2_REGNUM,
    regcache_raw_collect (regcache, E_D2_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D2));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D2));
    break;
    break;
  case E_D3_REGNUM:
  case E_D3_REGNUM:
    regcache_raw_collect (regcache, E_D3_REGNUM,
    regcache_raw_collect (regcache, E_D3_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D3));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_D3));
    break;
    break;
  case E_A0_REGNUM:
  case E_A0_REGNUM:
    regcache_raw_collect (regcache, E_A0_REGNUM,
    regcache_raw_collect (regcache, E_A0_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A0));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A0));
    break;
    break;
  case E_A1_REGNUM:
  case E_A1_REGNUM:
    regcache_raw_collect (regcache, E_A1_REGNUM,
    regcache_raw_collect (regcache, E_A1_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A1));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A1));
    break;
    break;
  case E_A2_REGNUM:
  case E_A2_REGNUM:
    regcache_raw_collect (regcache, E_A2_REGNUM,
    regcache_raw_collect (regcache, E_A2_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A2));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A2));
    break;
    break;
  case E_A3_REGNUM:
  case E_A3_REGNUM:
    regcache_raw_collect (regcache, E_A3_REGNUM,
    regcache_raw_collect (regcache, E_A3_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A3));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_A3));
    break;
    break;
  case E_SP_REGNUM:
  case E_SP_REGNUM:
    regcache_raw_collect (regcache, E_SP_REGNUM,
    regcache_raw_collect (regcache, E_SP_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_SP));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_SP));
    break;
    break;
  case E_PC_REGNUM:
  case E_PC_REGNUM:
    regcache_raw_collect (regcache, E_PC_REGNUM,
    regcache_raw_collect (regcache, E_PC_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_PC));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_PC));
    break;
    break;
  case E_MDR_REGNUM:
  case E_MDR_REGNUM:
    regcache_raw_collect (regcache, E_MDR_REGNUM,
    regcache_raw_collect (regcache, E_MDR_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MDR));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MDR));
    break;
    break;
  case E_PSW_REGNUM:
  case E_PSW_REGNUM:
    regcache_raw_collect (regcache, E_PSW_REGNUM,
    regcache_raw_collect (regcache, E_PSW_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_EPSW));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_EPSW));
    break;
    break;
  case E_LIR_REGNUM:
  case E_LIR_REGNUM:
    regcache_raw_collect (regcache, E_LIR_REGNUM,
    regcache_raw_collect (regcache, E_LIR_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_LIR));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_LIR));
    break;
    break;
  case E_LAR_REGNUM:
  case E_LAR_REGNUM:
    regcache_raw_collect (regcache, E_LAR_REGNUM,
    regcache_raw_collect (regcache, E_LAR_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_LAR));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_LAR));
    break;
    break;
  case E_MDRQ_REGNUM:
  case E_MDRQ_REGNUM:
    regcache_raw_collect (regcache, E_MDRQ_REGNUM,
    regcache_raw_collect (regcache, E_MDRQ_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MDRQ));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MDRQ));
    break;
    break;
  case E_E0_REGNUM:
  case E_E0_REGNUM:
    regcache_raw_collect (regcache, E_E0_REGNUM,
    regcache_raw_collect (regcache, E_E0_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E0));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E0));
    break;
    break;
  case E_E1_REGNUM:
  case E_E1_REGNUM:
    regcache_raw_collect (regcache, E_E1_REGNUM,
    regcache_raw_collect (regcache, E_E1_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E1));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E1));
    break;
    break;
  case E_E2_REGNUM:
  case E_E2_REGNUM:
    regcache_raw_collect (regcache, E_E2_REGNUM,
    regcache_raw_collect (regcache, E_E2_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E2));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E2));
    break;
    break;
  case E_E3_REGNUM:
  case E_E3_REGNUM:
    regcache_raw_collect (regcache, E_E3_REGNUM,
    regcache_raw_collect (regcache, E_E3_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E3));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E3));
    break;
    break;
  case E_E4_REGNUM:
  case E_E4_REGNUM:
    regcache_raw_collect (regcache, E_E4_REGNUM,
    regcache_raw_collect (regcache, E_E4_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E4));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E4));
    break;
    break;
  case E_E5_REGNUM:
  case E_E5_REGNUM:
    regcache_raw_collect (regcache, E_E5_REGNUM,
    regcache_raw_collect (regcache, E_E5_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E5));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E5));
    break;
    break;
  case E_E6_REGNUM:
  case E_E6_REGNUM:
    regcache_raw_collect (regcache, E_E6_REGNUM,
    regcache_raw_collect (regcache, E_E6_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E6));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E6));
    break;
    break;
  case E_E7_REGNUM:
  case E_E7_REGNUM:
    regcache_raw_collect (regcache, E_E7_REGNUM,
    regcache_raw_collect (regcache, E_E7_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E7));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_E7));
    break;
    break;
 
 
    /* ssp, msp, and usp are inaccessible.  */
    /* ssp, msp, and usp are inaccessible.  */
  case E_E8_REGNUM:
  case E_E8_REGNUM:
    /* The gregset struct has noplace to put this: do nothing.  */
    /* The gregset struct has noplace to put this: do nothing.  */
    break;
    break;
  case E_E9_REGNUM:
  case E_E9_REGNUM:
    /* The gregset struct has noplace to put this: do nothing.  */
    /* The gregset struct has noplace to put this: do nothing.  */
    break;
    break;
  case E_E10_REGNUM:
  case E_E10_REGNUM:
    /* The gregset struct has noplace to put this: do nothing.  */
    /* The gregset struct has noplace to put this: do nothing.  */
    break;
    break;
  case E_MCRH_REGNUM:
  case E_MCRH_REGNUM:
    regcache_raw_collect (regcache, E_MCRH_REGNUM,
    regcache_raw_collect (regcache, E_MCRH_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCRH));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCRH));
    break;
    break;
  case E_MCRL_REGNUM:
  case E_MCRL_REGNUM:
    regcache_raw_collect (regcache, E_MCRL_REGNUM,
    regcache_raw_collect (regcache, E_MCRL_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCRL));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCRL));
    break;
    break;
  case E_MCVF_REGNUM:
  case E_MCVF_REGNUM:
    regcache_raw_collect (regcache, E_MCVF_REGNUM,
    regcache_raw_collect (regcache, E_MCVF_REGNUM,
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCVF));
                         (regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCVF));
    break;
    break;
  case E_FPCR_REGNUM:
  case E_FPCR_REGNUM:
    /* FPCR is numbered among the GP regs, but handled as an FP reg.
    /* FPCR is numbered among the GP regs, but handled as an FP reg.
       Do nothing.  */
       Do nothing.  */
    break;
    break;
  case E_FPCR_REGNUM + 1:
  case E_FPCR_REGNUM + 1:
    /* The gregset struct has noplace to put this: do nothing.  */
    /* The gregset struct has noplace to put this: do nothing.  */
    break;
    break;
  case E_FPCR_REGNUM + 2:
  case E_FPCR_REGNUM + 2:
    /* The gregset struct has noplace to put this: do nothing.  */
    /* The gregset struct has noplace to put this: do nothing.  */
    break;
    break;
  default:      /* An error, obviously, but should we error out?  */
  default:      /* An error, obviously, but should we error out?  */
    break;
    break;
  case -1:
  case -1:
    for (i = 0; i < MN10300_ELF_NGREG; i++)
    for (i = 0; i < MN10300_ELF_NGREG; i++)
      am33_collect_gregset_method (regset, regcache, i, gregs, len);
      am33_collect_gregset_method (regset, regcache, i, gregs, len);
    break;
    break;
  }
  }
  return;
  return;
}
}
 
 
/* Copy fp register values from regcache to regset.  */
/* Copy fp register values from regcache to regset.  */
 
 
static void
static void
am33_collect_fpregset_method (const struct regset *regset,
am33_collect_fpregset_method (const struct regset *regset,
                              const struct regcache *regcache,
                              const struct regcache *regcache,
                              int regnum, void *fpregs, size_t len)
                              int regnum, void *fpregs, size_t len)
{
{
  mn10300_elf_fpregset_t *fpregset = fpregs;
  mn10300_elf_fpregset_t *fpregset = fpregs;
 
 
  gdb_assert (len == sizeof (mn10300_elf_fpregset_t));
  gdb_assert (len == sizeof (mn10300_elf_fpregset_t));
 
 
  if (regnum == -1)
  if (regnum == -1)
    {
    {
      int i;
      int i;
      for (i = 0; i < MN10300_ELF_NFPREG; i++)
      for (i = 0; i < MN10300_ELF_NFPREG; i++)
        am33_collect_fpregset_method (regset, regcache, E_FS0_REGNUM + i,
        am33_collect_fpregset_method (regset, regcache, E_FS0_REGNUM + i,
                                      fpregs, len);
                                      fpregs, len);
      am33_collect_fpregset_method (regset, regcache,
      am33_collect_fpregset_method (regset, regcache,
                                    E_FPCR_REGNUM, fpregs, len);
                                    E_FPCR_REGNUM, fpregs, len);
    }
    }
  else if (regnum == E_FPCR_REGNUM)
  else if (regnum == E_FPCR_REGNUM)
    regcache_raw_collect (regcache, E_FPCR_REGNUM,
    regcache_raw_collect (regcache, E_FPCR_REGNUM,
                          &fpregset->fpcr);
                          &fpregset->fpcr);
  else if (E_FS0_REGNUM <= regnum
  else if (E_FS0_REGNUM <= regnum
           && regnum < E_FS0_REGNUM + MN10300_ELF_NFPREG)
           && regnum < E_FS0_REGNUM + MN10300_ELF_NFPREG)
    regcache_raw_collect (regcache, regnum,
    regcache_raw_collect (regcache, regnum,
                          &fpregset->fpregs[regnum - E_FS0_REGNUM]);
                          &fpregset->fpregs[regnum - E_FS0_REGNUM]);
 
 
  return;
  return;
}
}
 
 
/* Create a struct regset from a corefile register section.  */
/* Create a struct regset from a corefile register section.  */
 
 
static const struct regset *
static const struct regset *
am33_regset_from_core_section (struct gdbarch *gdbarch,
am33_regset_from_core_section (struct gdbarch *gdbarch,
                               const char *sect_name,
                               const char *sect_name,
                               size_t sect_size)
                               size_t sect_size)
{
{
  /* We will call regset_alloc, and pass the names of the supply and
  /* We will call regset_alloc, and pass the names of the supply and
     collect methods.  */
     collect methods.  */
 
 
  if (sect_size == sizeof (mn10300_elf_fpregset_t))
  if (sect_size == sizeof (mn10300_elf_fpregset_t))
    return regset_alloc (gdbarch,
    return regset_alloc (gdbarch,
                         am33_supply_fpregset_method,
                         am33_supply_fpregset_method,
                         am33_collect_fpregset_method);
                         am33_collect_fpregset_method);
  else
  else
    return regset_alloc (gdbarch,
    return regset_alloc (gdbarch,
                         am33_supply_gregset_method,
                         am33_supply_gregset_method,
                         am33_collect_gregset_method);
                         am33_collect_gregset_method);
}
}


static void
static void
am33_linux_sigframe_cache_init (const struct tramp_frame *self,
am33_linux_sigframe_cache_init (const struct tramp_frame *self,
                                struct frame_info *next_frame,
                                struct frame_info *next_frame,
                                struct trad_frame_cache *this_cache,
                                struct trad_frame_cache *this_cache,
                                CORE_ADDR func);
                                CORE_ADDR func);
 
 
static const struct tramp_frame am33_linux_sigframe = {
static const struct tramp_frame am33_linux_sigframe = {
  SIGTRAMP_FRAME,
  SIGTRAMP_FRAME,
  1,
  1,
  {
  {
    /* mov     119,d0 */
    /* mov     119,d0 */
    { 0x2c, -1 },
    { 0x2c, -1 },
    { 0x77, -1 },
    { 0x77, -1 },
    { 0x00, -1 },
    { 0x00, -1 },
    /* syscall 0 */
    /* syscall 0 */
    { 0xf0, -1 },
    { 0xf0, -1 },
    { 0xe0, -1 },
    { 0xe0, -1 },
    { TRAMP_SENTINEL_INSN, -1 }
    { TRAMP_SENTINEL_INSN, -1 }
  },
  },
  am33_linux_sigframe_cache_init
  am33_linux_sigframe_cache_init
};
};
 
 
static const struct tramp_frame am33_linux_rt_sigframe = {
static const struct tramp_frame am33_linux_rt_sigframe = {
  SIGTRAMP_FRAME,
  SIGTRAMP_FRAME,
  1,
  1,
  {
  {
    /* mov     173,d0 */
    /* mov     173,d0 */
    { 0x2c, -1 },
    { 0x2c, -1 },
    { 0xad, -1 },
    { 0xad, -1 },
    { 0x00, -1 },
    { 0x00, -1 },
    /* syscall 0 */
    /* syscall 0 */
    { 0xf0, -1 },
    { 0xf0, -1 },
    { 0xe0, -1 },
    { 0xe0, -1 },
    { TRAMP_SENTINEL_INSN, -1 }
    { TRAMP_SENTINEL_INSN, -1 }
  },
  },
  am33_linux_sigframe_cache_init
  am33_linux_sigframe_cache_init
};
};
 
 
/* Relevant struct definitions for signal handling...
/* Relevant struct definitions for signal handling...
 
 
From arch/mn10300/kernel/sigframe.h:
From arch/mn10300/kernel/sigframe.h:
 
 
struct sigframe
struct sigframe
{
{
        void (*pretcode)(void);
        void (*pretcode)(void);
        int sig;
        int sig;
        struct sigcontext *psc;
        struct sigcontext *psc;
        struct sigcontext sc;
        struct sigcontext sc;
        struct fpucontext fpuctx;
        struct fpucontext fpuctx;
        unsigned long extramask[_NSIG_WORDS-1];
        unsigned long extramask[_NSIG_WORDS-1];
        char retcode[8];
        char retcode[8];
};
};
 
 
struct rt_sigframe
struct rt_sigframe
{
{
        void (*pretcode)(void);
        void (*pretcode)(void);
        int sig;
        int sig;
        struct siginfo *pinfo;
        struct siginfo *pinfo;
        void *puc;
        void *puc;
        struct siginfo info;
        struct siginfo info;
        struct ucontext uc;
        struct ucontext uc;
        struct fpucontext fpuctx;
        struct fpucontext fpuctx;
        char retcode[8];
        char retcode[8];
};
};
 
 
From include/asm-mn10300/ucontext.h:
From include/asm-mn10300/ucontext.h:
 
 
struct ucontext {
struct ucontext {
        unsigned long     uc_flags;
        unsigned long     uc_flags;
        struct ucontext  *uc_link;
        struct ucontext  *uc_link;
        stack_t           uc_stack;
        stack_t           uc_stack;
        struct sigcontext uc_mcontext;
        struct sigcontext uc_mcontext;
        sigset_t          uc_sigmask;
        sigset_t          uc_sigmask;
};
};
 
 
From include/asm-mn10300/sigcontext.h:
From include/asm-mn10300/sigcontext.h:
 
 
struct fpucontext {
struct fpucontext {
        unsigned long   fs[32];
        unsigned long   fs[32];
        unsigned long   fpcr;
        unsigned long   fpcr;
};
};
 
 
struct sigcontext {
struct sigcontext {
        unsigned long   d0;
        unsigned long   d0;
        unsigned long   d1;
        unsigned long   d1;
        unsigned long   d2;
        unsigned long   d2;
        unsigned long   d3;
        unsigned long   d3;
        unsigned long   a0;
        unsigned long   a0;
        unsigned long   a1;
        unsigned long   a1;
        unsigned long   a2;
        unsigned long   a2;
        unsigned long   a3;
        unsigned long   a3;
        unsigned long   e0;
        unsigned long   e0;
        unsigned long   e1;
        unsigned long   e1;
        unsigned long   e2;
        unsigned long   e2;
        unsigned long   e3;
        unsigned long   e3;
        unsigned long   e4;
        unsigned long   e4;
        unsigned long   e5;
        unsigned long   e5;
        unsigned long   e6;
        unsigned long   e6;
        unsigned long   e7;
        unsigned long   e7;
        unsigned long   lar;
        unsigned long   lar;
        unsigned long   lir;
        unsigned long   lir;
        unsigned long   mdr;
        unsigned long   mdr;
        unsigned long   mcvf;
        unsigned long   mcvf;
        unsigned long   mcrl;
        unsigned long   mcrl;
        unsigned long   mcrh;
        unsigned long   mcrh;
        unsigned long   mdrq;
        unsigned long   mdrq;
        unsigned long   sp;
        unsigned long   sp;
        unsigned long   epsw;
        unsigned long   epsw;
        unsigned long   pc;
        unsigned long   pc;
        struct fpucontext *fpucontext;
        struct fpucontext *fpucontext;
        unsigned long   oldmask;
        unsigned long   oldmask;
}; */
}; */
 
 
 
 
#define AM33_SIGCONTEXT_D0 0
#define AM33_SIGCONTEXT_D0 0
#define AM33_SIGCONTEXT_D1 4
#define AM33_SIGCONTEXT_D1 4
#define AM33_SIGCONTEXT_D2 8
#define AM33_SIGCONTEXT_D2 8
#define AM33_SIGCONTEXT_D3 12
#define AM33_SIGCONTEXT_D3 12
#define AM33_SIGCONTEXT_A0 16
#define AM33_SIGCONTEXT_A0 16
#define AM33_SIGCONTEXT_A1 20
#define AM33_SIGCONTEXT_A1 20
#define AM33_SIGCONTEXT_A2 24
#define AM33_SIGCONTEXT_A2 24
#define AM33_SIGCONTEXT_A3 28
#define AM33_SIGCONTEXT_A3 28
#define AM33_SIGCONTEXT_E0 32
#define AM33_SIGCONTEXT_E0 32
#define AM33_SIGCONTEXT_E1 36
#define AM33_SIGCONTEXT_E1 36
#define AM33_SIGCONTEXT_E2 40
#define AM33_SIGCONTEXT_E2 40
#define AM33_SIGCONTEXT_E3 44
#define AM33_SIGCONTEXT_E3 44
#define AM33_SIGCONTEXT_E4 48
#define AM33_SIGCONTEXT_E4 48
#define AM33_SIGCONTEXT_E5 52
#define AM33_SIGCONTEXT_E5 52
#define AM33_SIGCONTEXT_E6 56
#define AM33_SIGCONTEXT_E6 56
#define AM33_SIGCONTEXT_E7 60
#define AM33_SIGCONTEXT_E7 60
#define AM33_SIGCONTEXT_LAR 64
#define AM33_SIGCONTEXT_LAR 64
#define AM33_SIGCONTEXT_LIR 68
#define AM33_SIGCONTEXT_LIR 68
#define AM33_SIGCONTEXT_MDR 72
#define AM33_SIGCONTEXT_MDR 72
#define AM33_SIGCONTEXT_MCVF 76
#define AM33_SIGCONTEXT_MCVF 76
#define AM33_SIGCONTEXT_MCRL 80
#define AM33_SIGCONTEXT_MCRL 80
#define AM33_SIGCONTEXT_MCRH 84
#define AM33_SIGCONTEXT_MCRH 84
#define AM33_SIGCONTEXT_MDRQ 88
#define AM33_SIGCONTEXT_MDRQ 88
#define AM33_SIGCONTEXT_SP 92
#define AM33_SIGCONTEXT_SP 92
#define AM33_SIGCONTEXT_EPSW 96
#define AM33_SIGCONTEXT_EPSW 96
#define AM33_SIGCONTEXT_PC 100
#define AM33_SIGCONTEXT_PC 100
#define AM33_SIGCONTEXT_FPUCONTEXT 104
#define AM33_SIGCONTEXT_FPUCONTEXT 104
 
 
 
 
static void
static void
am33_linux_sigframe_cache_init (const struct tramp_frame *self,
am33_linux_sigframe_cache_init (const struct tramp_frame *self,
                                struct frame_info *next_frame,
                                struct frame_info *next_frame,
                                struct trad_frame_cache *this_cache,
                                struct trad_frame_cache *this_cache,
                                CORE_ADDR func)
                                CORE_ADDR func)
{
{
  CORE_ADDR sc_base, fpubase;
  CORE_ADDR sc_base, fpubase;
  int i;
  int i;
 
 
  sc_base = frame_unwind_register_unsigned (next_frame, E_SP_REGNUM);
  sc_base = frame_unwind_register_unsigned (next_frame, E_SP_REGNUM);
  if (self == &am33_linux_sigframe)
  if (self == &am33_linux_sigframe)
    {
    {
      sc_base += 8;
      sc_base += 8;
      sc_base = get_frame_memory_unsigned (next_frame, sc_base, 4);
      sc_base = get_frame_memory_unsigned (next_frame, sc_base, 4);
    }
    }
  else
  else
    {
    {
      sc_base += 12;
      sc_base += 12;
      sc_base = get_frame_memory_unsigned (next_frame, sc_base, 4);
      sc_base = get_frame_memory_unsigned (next_frame, sc_base, 4);
      sc_base += 20;
      sc_base += 20;
    }
    }
 
 
  trad_frame_set_reg_addr (this_cache, E_D0_REGNUM,
  trad_frame_set_reg_addr (this_cache, E_D0_REGNUM,
                           sc_base + AM33_SIGCONTEXT_D0);
                           sc_base + AM33_SIGCONTEXT_D0);
  trad_frame_set_reg_addr (this_cache, E_D1_REGNUM,
  trad_frame_set_reg_addr (this_cache, E_D1_REGNUM,
                           sc_base + AM33_SIGCONTEXT_D1);
                           sc_base + AM33_SIGCONTEXT_D1);
  trad_frame_set_reg_addr (this_cache, E_D2_REGNUM,
  trad_frame_set_reg_addr (this_cache, E_D2_REGNUM,
                           sc_base + AM33_SIGCONTEXT_D2);
                           sc_base + AM33_SIGCONTEXT_D2);
  trad_frame_set_reg_addr (this_cache, E_D3_REGNUM,
  trad_frame_set_reg_addr (this_cache, E_D3_REGNUM,
                           sc_base + AM33_SIGCONTEXT_D3);
                           sc_base + AM33_SIGCONTEXT_D3);
 
 
  trad_frame_set_reg_addr (this_cache, E_A0_REGNUM,
  trad_frame_set_reg_addr (this_cache, E_A0_REGNUM,
                           sc_base + AM33_SIGCONTEXT_A0);
                           sc_base + AM33_SIGCONTEXT_A0);
  trad_frame_set_reg_addr (this_cache, E_A1_REGNUM,
  trad_frame_set_reg_addr (this_cache, E_A1_REGNUM,
                           sc_base + AM33_SIGCONTEXT_A1);
                           sc_base + AM33_SIGCONTEXT_A1);
  trad_frame_set_reg_addr (this_cache, E_A2_REGNUM,
  trad_frame_set_reg_addr (this_cache, E_A2_REGNUM,
                           sc_base + AM33_SIGCONTEXT_A2);
                           sc_base + AM33_SIGCONTEXT_A2);
  trad_frame_set_reg_addr (this_cache, E_A3_REGNUM,
  trad_frame_set_reg_addr (this_cache, E_A3_REGNUM,
                           sc_base + AM33_SIGCONTEXT_A3);
                           sc_base + AM33_SIGCONTEXT_A3);
 
 
  trad_frame_set_reg_addr (this_cache, E_E0_REGNUM,
  trad_frame_set_reg_addr (this_cache, E_E0_REGNUM,
                           sc_base + AM33_SIGCONTEXT_E0);
                           sc_base + AM33_SIGCONTEXT_E0);
  trad_frame_set_reg_addr (this_cache, E_E1_REGNUM,
  trad_frame_set_reg_addr (this_cache, E_E1_REGNUM,
                           sc_base + AM33_SIGCONTEXT_E1);
                           sc_base + AM33_SIGCONTEXT_E1);
  trad_frame_set_reg_addr (this_cache, E_E2_REGNUM,
  trad_frame_set_reg_addr (this_cache, E_E2_REGNUM,
                           sc_base + AM33_SIGCONTEXT_E2);
                           sc_base + AM33_SIGCONTEXT_E2);
  trad_frame_set_reg_addr (this_cache, E_E3_REGNUM,
  trad_frame_set_reg_addr (this_cache, E_E3_REGNUM,
                           sc_base + AM33_SIGCONTEXT_E3);
                           sc_base + AM33_SIGCONTEXT_E3);
  trad_frame_set_reg_addr (this_cache, E_E4_REGNUM,
  trad_frame_set_reg_addr (this_cache, E_E4_REGNUM,
                           sc_base + AM33_SIGCONTEXT_E4);
                           sc_base + AM33_SIGCONTEXT_E4);
  trad_frame_set_reg_addr (this_cache, E_E5_REGNUM,
  trad_frame_set_reg_addr (this_cache, E_E5_REGNUM,
                           sc_base + AM33_SIGCONTEXT_E5);
                           sc_base + AM33_SIGCONTEXT_E5);
  trad_frame_set_reg_addr (this_cache, E_E6_REGNUM,
  trad_frame_set_reg_addr (this_cache, E_E6_REGNUM,
                           sc_base + AM33_SIGCONTEXT_E6);
                           sc_base + AM33_SIGCONTEXT_E6);
  trad_frame_set_reg_addr (this_cache, E_E7_REGNUM,
  trad_frame_set_reg_addr (this_cache, E_E7_REGNUM,
                           sc_base + AM33_SIGCONTEXT_E7);
                           sc_base + AM33_SIGCONTEXT_E7);
 
 
  trad_frame_set_reg_addr (this_cache, E_LAR_REGNUM,
  trad_frame_set_reg_addr (this_cache, E_LAR_REGNUM,
                           sc_base + AM33_SIGCONTEXT_LAR);
                           sc_base + AM33_SIGCONTEXT_LAR);
  trad_frame_set_reg_addr (this_cache, E_LIR_REGNUM,
  trad_frame_set_reg_addr (this_cache, E_LIR_REGNUM,
                           sc_base + AM33_SIGCONTEXT_LIR);
                           sc_base + AM33_SIGCONTEXT_LIR);
  trad_frame_set_reg_addr (this_cache, E_MDR_REGNUM,
  trad_frame_set_reg_addr (this_cache, E_MDR_REGNUM,
                           sc_base + AM33_SIGCONTEXT_MDR);
                           sc_base + AM33_SIGCONTEXT_MDR);
  trad_frame_set_reg_addr (this_cache, E_MCVF_REGNUM,
  trad_frame_set_reg_addr (this_cache, E_MCVF_REGNUM,
                           sc_base + AM33_SIGCONTEXT_MCVF);
                           sc_base + AM33_SIGCONTEXT_MCVF);
  trad_frame_set_reg_addr (this_cache, E_MCRL_REGNUM,
  trad_frame_set_reg_addr (this_cache, E_MCRL_REGNUM,
                           sc_base + AM33_SIGCONTEXT_MCRL);
                           sc_base + AM33_SIGCONTEXT_MCRL);
  trad_frame_set_reg_addr (this_cache, E_MDRQ_REGNUM,
  trad_frame_set_reg_addr (this_cache, E_MDRQ_REGNUM,
                           sc_base + AM33_SIGCONTEXT_MDRQ);
                           sc_base + AM33_SIGCONTEXT_MDRQ);
 
 
  trad_frame_set_reg_addr (this_cache, E_SP_REGNUM,
  trad_frame_set_reg_addr (this_cache, E_SP_REGNUM,
                           sc_base + AM33_SIGCONTEXT_SP);
                           sc_base + AM33_SIGCONTEXT_SP);
  trad_frame_set_reg_addr (this_cache, E_PSW_REGNUM,
  trad_frame_set_reg_addr (this_cache, E_PSW_REGNUM,
                           sc_base + AM33_SIGCONTEXT_EPSW);
                           sc_base + AM33_SIGCONTEXT_EPSW);
  trad_frame_set_reg_addr (this_cache, E_PC_REGNUM,
  trad_frame_set_reg_addr (this_cache, E_PC_REGNUM,
                           sc_base + AM33_SIGCONTEXT_PC);
                           sc_base + AM33_SIGCONTEXT_PC);
 
 
  fpubase = get_frame_memory_unsigned (next_frame,
  fpubase = get_frame_memory_unsigned (next_frame,
                                       sc_base + AM33_SIGCONTEXT_FPUCONTEXT, 4);
                                       sc_base + AM33_SIGCONTEXT_FPUCONTEXT, 4);
  if (fpubase)
  if (fpubase)
    {
    {
      for (i = 0; i < 32; i++)
      for (i = 0; i < 32; i++)
        {
        {
          trad_frame_set_reg_addr (this_cache, E_FS0_REGNUM + i,
          trad_frame_set_reg_addr (this_cache, E_FS0_REGNUM + i,
                                   fpubase + 4 * i);
                                   fpubase + 4 * i);
        }
        }
      trad_frame_set_reg_addr (this_cache, E_FPCR_REGNUM, fpubase + 4 * 32);
      trad_frame_set_reg_addr (this_cache, E_FPCR_REGNUM, fpubase + 4 * 32);
    }
    }
 
 
  trad_frame_set_id (this_cache, frame_id_build (sc_base, func));
  trad_frame_set_id (this_cache, frame_id_build (sc_base, func));
}
}


/* AM33 GNU/Linux osabi has been recognized.
/* AM33 GNU/Linux osabi has been recognized.
   Now's our chance to register our corefile handling.  */
   Now's our chance to register our corefile handling.  */
 
 
static void
static void
am33_linux_init_osabi (struct gdbarch_info gdbinfo, struct gdbarch *gdbarch)
am33_linux_init_osabi (struct gdbarch_info gdbinfo, struct gdbarch *gdbarch)
{
{
  set_gdbarch_regset_from_core_section (gdbarch,
  set_gdbarch_regset_from_core_section (gdbarch,
                                        am33_regset_from_core_section);
                                        am33_regset_from_core_section);
  set_solib_svr4_fetch_link_map_offsets
  set_solib_svr4_fetch_link_map_offsets
    (gdbarch, svr4_ilp32_fetch_link_map_offsets);
    (gdbarch, svr4_ilp32_fetch_link_map_offsets);
 
 
  tramp_frame_prepend_unwinder (gdbarch, &am33_linux_sigframe);
  tramp_frame_prepend_unwinder (gdbarch, &am33_linux_sigframe);
  tramp_frame_prepend_unwinder (gdbarch, &am33_linux_rt_sigframe);
  tramp_frame_prepend_unwinder (gdbarch, &am33_linux_rt_sigframe);
}
}
 
 
void
void
_initialize_mn10300_linux_tdep (void)
_initialize_mn10300_linux_tdep (void)
{
{
  gdbarch_register_osabi (bfd_arch_mn10300, 0,
  gdbarch_register_osabi (bfd_arch_mn10300, 0,
                          GDB_OSABI_LINUX, am33_linux_init_osabi);
                          GDB_OSABI_LINUX, am33_linux_init_osabi);
}
}
 
 
 
 

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