2008-02-11 22:58:41 +01:00
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/* Xtensa GNU/Linux native support.
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2017-01-01 07:50:51 +01:00
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Copyright (C) 2007-2017 Free Software Foundation, Inc.
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2008-02-11 22:58:41 +01:00
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "defs.h"
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#include "frame.h"
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#include "inferior.h"
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#include "gdbcore.h"
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#include "regcache.h"
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#include "target.h"
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#include "linux-nat.h"
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#include <sys/types.h>
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#include <signal.h>
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#include <sys/user.h>
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#include <sys/ioctl.h>
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#include "gdb_wait.h"
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#include <fcntl.h>
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#include <sys/procfs.h>
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2015-07-24 15:57:20 +02:00
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#include "nat/gdb_ptrace.h"
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2014-01-20 08:53:12 +01:00
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#include <asm/ptrace.h>
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2008-02-11 22:58:41 +01:00
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#include "gregset.h"
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#include "xtensa-tdep.h"
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2015-07-02 14:10:58 +02:00
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/* Defines ps_err_e, struct ps_prochandle. */
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#include "gdb_proc_service.h"
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2008-02-11 22:58:41 +01:00
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/* Extended register set depends on hardware configs.
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Keeping these definitions separately allows to introduce
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hardware-specific overlays. */
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#include "xtensa-xtregs.c"
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void
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fill_gregset (const struct regcache *regcache,
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gdb_gregset_t *gregsetp, int regnum)
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{
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int i;
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xtensa_elf_gregset_t *regs = (xtensa_elf_gregset_t *) gregsetp;
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struct gdbarch *gdbarch = get_regcache_arch (regcache);
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if (regnum == gdbarch_pc_regnum (gdbarch) || regnum == -1)
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regcache_raw_collect (regcache, gdbarch_pc_regnum (gdbarch), ®s->pc);
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if (regnum == gdbarch_ps_regnum (gdbarch) || regnum == -1)
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regcache_raw_collect (regcache, gdbarch_ps_regnum (gdbarch), ®s->ps);
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if (regnum == gdbarch_tdep (gdbarch)->wb_regnum || regnum == -1)
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regcache_raw_collect (regcache,
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gdbarch_tdep (gdbarch)->wb_regnum,
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®s->windowbase);
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if (regnum == gdbarch_tdep (gdbarch)->ws_regnum || regnum == -1)
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regcache_raw_collect (regcache,
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gdbarch_tdep (gdbarch)->ws_regnum,
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®s->windowstart);
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if (regnum == gdbarch_tdep (gdbarch)->lbeg_regnum || regnum == -1)
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regcache_raw_collect (regcache,
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gdbarch_tdep (gdbarch)->lbeg_regnum,
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®s->lbeg);
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if (regnum == gdbarch_tdep (gdbarch)->lend_regnum || regnum == -1)
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regcache_raw_collect (regcache,
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gdbarch_tdep (gdbarch)->lend_regnum,
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®s->lend);
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if (regnum == gdbarch_tdep (gdbarch)->lcount_regnum || regnum == -1)
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regcache_raw_collect (regcache,
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gdbarch_tdep (gdbarch)->lcount_regnum,
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®s->lcount);
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if (regnum == gdbarch_tdep (gdbarch)->sar_regnum || regnum == -1)
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regcache_raw_collect (regcache,
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gdbarch_tdep (gdbarch)->sar_regnum,
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®s->sar);
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if (regnum >=gdbarch_tdep (gdbarch)->ar_base
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&& regnum < gdbarch_tdep (gdbarch)->ar_base
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+ gdbarch_tdep (gdbarch)->num_aregs)
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regcache_raw_collect (regcache,regnum,
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®s->ar[regnum - gdbarch_tdep (gdbarch)->ar_base]);
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else if (regnum == -1)
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{
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for (i = 0; i < gdbarch_tdep (gdbarch)->num_aregs; ++i)
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regcache_raw_collect (regcache,
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gdbarch_tdep (gdbarch)->ar_base + i,
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®s->ar[i]);
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}
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2016-11-18 18:48:01 +01:00
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if (regnum >= gdbarch_tdep (gdbarch)->a0_base
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&& regnum < gdbarch_tdep (gdbarch)->a0_base + C0_NREGS)
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regcache_raw_collect (regcache, regnum,
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®s->ar[(4 * regs->windowbase + regnum
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- gdbarch_tdep (gdbarch)->a0_base)
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% gdbarch_tdep (gdbarch)->num_aregs]);
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else if (regnum == -1)
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{
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for (i = 0; i < C0_NREGS; ++i)
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regcache_raw_collect (regcache,
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gdbarch_tdep (gdbarch)->a0_base + i,
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®s->ar[(4 * regs->windowbase + i)
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% gdbarch_tdep (gdbarch)->num_aregs]);
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}
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2008-02-11 22:58:41 +01:00
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}
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2015-11-03 19:33:16 +01:00
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static void
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2008-02-11 22:58:41 +01:00
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supply_gregset_reg (struct regcache *regcache,
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const gdb_gregset_t *gregsetp, int regnum)
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{
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int i;
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xtensa_elf_gregset_t *regs = (xtensa_elf_gregset_t *) gregsetp;
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struct gdbarch *gdbarch = get_regcache_arch (regcache);
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if (regnum == gdbarch_pc_regnum (gdbarch) || regnum == -1)
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regcache_raw_supply (regcache, gdbarch_pc_regnum (gdbarch), ®s->pc);
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if (regnum == gdbarch_ps_regnum (gdbarch) || regnum == -1)
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regcache_raw_supply (regcache, gdbarch_ps_regnum (gdbarch), ®s->ps);
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if (regnum == gdbarch_tdep (gdbarch)->wb_regnum || regnum == -1)
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regcache_raw_supply (regcache,
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gdbarch_tdep (gdbarch)->wb_regnum,
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®s->windowbase);
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if (regnum == gdbarch_tdep (gdbarch)->ws_regnum || regnum == -1)
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regcache_raw_supply (regcache,
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gdbarch_tdep (gdbarch)->ws_regnum,
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®s->windowstart);
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if (regnum == gdbarch_tdep (gdbarch)->lbeg_regnum || regnum == -1)
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regcache_raw_supply (regcache,
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gdbarch_tdep (gdbarch)->lbeg_regnum,
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®s->lbeg);
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if (regnum == gdbarch_tdep (gdbarch)->lend_regnum || regnum == -1)
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regcache_raw_supply (regcache,
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gdbarch_tdep (gdbarch)->lend_regnum,
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®s->lend);
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if (regnum == gdbarch_tdep (gdbarch)->lcount_regnum || regnum == -1)
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regcache_raw_supply (regcache,
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gdbarch_tdep (gdbarch)->lcount_regnum,
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®s->lcount);
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if (regnum == gdbarch_tdep (gdbarch)->sar_regnum || regnum == -1)
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regcache_raw_supply (regcache,
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gdbarch_tdep (gdbarch)->sar_regnum,
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®s->sar);
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if (regnum >=gdbarch_tdep (gdbarch)->ar_base
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&& regnum < gdbarch_tdep (gdbarch)->ar_base
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+ gdbarch_tdep (gdbarch)->num_aregs)
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regcache_raw_supply (regcache,regnum,
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®s->ar[regnum - gdbarch_tdep (gdbarch)->ar_base]);
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else if (regnum == -1)
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{
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for (i = 0; i < gdbarch_tdep (gdbarch)->num_aregs; ++i)
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regcache_raw_supply (regcache,
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gdbarch_tdep (gdbarch)->ar_base + i,
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®s->ar[i]);
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}
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2016-11-18 18:48:01 +01:00
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if (regnum >= gdbarch_tdep (gdbarch)->a0_base
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&& regnum < gdbarch_tdep (gdbarch)->a0_base + C0_NREGS)
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regcache_raw_supply (regcache, regnum,
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®s->ar[(4 * regs->windowbase + regnum
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- gdbarch_tdep (gdbarch)->a0_base)
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% gdbarch_tdep (gdbarch)->num_aregs]);
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else if (regnum == -1)
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{
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for (i = 0; i < C0_NREGS; ++i)
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regcache_raw_supply (regcache,
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gdbarch_tdep (gdbarch)->a0_base + i,
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®s->ar[(4 * regs->windowbase + i)
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% gdbarch_tdep (gdbarch)->num_aregs]);
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}
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2008-02-11 22:58:41 +01:00
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}
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void
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supply_gregset (struct regcache *regcache, const gdb_gregset_t *gregsetp)
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{
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supply_gregset_reg (regcache, gregsetp, -1);
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}
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void
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fill_fpregset (const struct regcache *regcache,
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gdb_fpregset_t *fpregsetp, int regnum)
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{
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return;
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}
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void
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supply_fpregset (struct regcache *regcache,
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const gdb_fpregset_t *fpregsetp)
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{
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return;
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}
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/* Fetch greg-register(s) from process/thread TID
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and store value(s) in GDB's register array. */
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static void
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fetch_gregs (struct regcache *regcache, int regnum)
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{
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Use ptid from regcache in almost all remaining nat files
This patch contains almost all of the remaining changes needed to make
to_fetch_registers/to_store_registers/to_prepare_to_store independent of
inferior_ptid. It contains only some "trivial" changes, the more
complicated ones are in separate patches.
gdb/ChangeLog:
* i386-linux-nat.c (fetch_register, store_register,
i386_linux_fetch_inferior_registers,
i386_linux_store_inferior_registers): Use ptid from regcache.
* ia64-linux-nat.c (ia64_linux_fetch_register,
ia64_linux_store_register): Likewise.
* inf-ptrace.c (inf_ptrace_fetch_register,
inf_ptrace_store_register): Likewise.
* m32r-linux-nat.c (m32r_linux_fetch_inferior_registers,
m32r_linux_store_inferior_registers): Likewise.
* m68k-bsd-nat.c (m68kbsd_fetch_inferior_registers,
m68kbsd_store_inferior_registers): Likewise.
* m68k-linux-nat.c (fetch_register, store_register,
m68k_linux_fetch_inferior_registers,
m68k_linux_store_inferior_registers): Likewise.
* m88k-bsd-nat.c (m88kbsd_fetch_inferior_registers,
m88kbsd_store_inferior_registers): Likewise.
* mips-fbsd-nat.c (mips_fbsd_fetch_inferior_registers,
mips_fbsd_store_inferior_registers): Likewise.
* mips-linux-nat.c (mips64_linux_regsets_fetch_registers,
mips64_linux_regsets_store_registers): Likewise.
* mips-nbsd-nat.c (mipsnbsd_fetch_inferior_registers,
mipsnbsd_store_inferior_registers): Likewise.
* mips-obsd-nat.c (mips64obsd_fetch_inferior_registers,
mips64obsd_store_inferior_registers): Likewise.
* nto-procfs.c (procfs_fetch_registers, procfs_store_registers):
Likewise.
* ppc-fbsd-nat.c (ppcfbsd_fetch_inferior_registers,
ppcfbsd_store_inferior_registers): Likewise.
* ppc-linux-nat.c (ppc_linux_fetch_inferior_registers,
ppc_linux_store_inferior_registers): Likewise.
* ppc-nbsd-nat.c (ppcnbsd_fetch_inferior_registers,
ppcnbsd_store_inferior_registers): Likewise.
* ppc-obsd-nat.c (ppcobsd_fetch_registers,
ppcobsd_store_registers): Likewise.
* procfs.c (procfs_fetch_registers, procfs_store_registers):
Likewise.
* ravenscar-thread.c (ravenscar_fetch_registers,
ravenscar_store_registers, ravenscar_prepare_to_store):
Likewise.
* record-btrace.c (record_btrace_fetch_registers,
record_btrace_store_registers, record_btrace_prepare_to_store):
Likewise.
* remote-sim.c (gdbsim_fetch_register, gdbsim_store_register):
Lookup inferior using ptid from regcache, instead of
current_inferior.
* remote.c (remote_fetch_registers, remote_store_registers): Use
ptid from regcache.
* rs6000-nat.c (fetch_register, store_register): Likewise.
* s390-linux-nat.c (s390_linux_fetch_inferior_registers,
s390_linux_store_inferior_registers): Likewise.
* sh-nbsd-nat.c (shnbsd_fetch_inferior_registers,
shnbsd_store_inferior_registers): Likewise.
* sol-thread.c (sol_thread_fetch_registers,
sol_thread_store_registers): Likewise.
* sparc-nat.c (sparc_fetch_inferior_registers,
sparc_store_inferior_registers): Likewise.
* tilegx-linux-nat.c (fetch_inferior_registers,
store_inferior_registers): Likewise.
* vax-bsd-nat.c (vaxbsd_fetch_inferior_registers,
vaxbsd_store_inferior_registers): Likewise.
* xtensa-linux-nat.c (fetch_gregs, store_gregs, fetch_xtregs,
store_xtregs): Likewise.
2017-03-20 22:37:36 +01:00
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int tid = ptid_get_lwp (regcache_get_ptid (regcache));
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2017-03-06 22:06:42 +01:00
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gdb_gregset_t regs;
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2008-02-11 22:58:41 +01:00
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int areg;
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if (ptrace (PTRACE_GETREGS, tid, 0, (long) ®s) < 0)
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{
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perror_with_name (_("Couldn't get registers"));
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return;
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}
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supply_gregset_reg (regcache, ®s, regnum);
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}
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/* Store greg-register(s) in GDB's register
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array into the process/thread specified by TID. */
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static void
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store_gregs (struct regcache *regcache, int regnum)
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{
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Use ptid from regcache in almost all remaining nat files
This patch contains almost all of the remaining changes needed to make
to_fetch_registers/to_store_registers/to_prepare_to_store independent of
inferior_ptid. It contains only some "trivial" changes, the more
complicated ones are in separate patches.
gdb/ChangeLog:
* i386-linux-nat.c (fetch_register, store_register,
i386_linux_fetch_inferior_registers,
i386_linux_store_inferior_registers): Use ptid from regcache.
* ia64-linux-nat.c (ia64_linux_fetch_register,
ia64_linux_store_register): Likewise.
* inf-ptrace.c (inf_ptrace_fetch_register,
inf_ptrace_store_register): Likewise.
* m32r-linux-nat.c (m32r_linux_fetch_inferior_registers,
m32r_linux_store_inferior_registers): Likewise.
* m68k-bsd-nat.c (m68kbsd_fetch_inferior_registers,
m68kbsd_store_inferior_registers): Likewise.
* m68k-linux-nat.c (fetch_register, store_register,
m68k_linux_fetch_inferior_registers,
m68k_linux_store_inferior_registers): Likewise.
* m88k-bsd-nat.c (m88kbsd_fetch_inferior_registers,
m88kbsd_store_inferior_registers): Likewise.
* mips-fbsd-nat.c (mips_fbsd_fetch_inferior_registers,
mips_fbsd_store_inferior_registers): Likewise.
* mips-linux-nat.c (mips64_linux_regsets_fetch_registers,
mips64_linux_regsets_store_registers): Likewise.
* mips-nbsd-nat.c (mipsnbsd_fetch_inferior_registers,
mipsnbsd_store_inferior_registers): Likewise.
* mips-obsd-nat.c (mips64obsd_fetch_inferior_registers,
mips64obsd_store_inferior_registers): Likewise.
* nto-procfs.c (procfs_fetch_registers, procfs_store_registers):
Likewise.
* ppc-fbsd-nat.c (ppcfbsd_fetch_inferior_registers,
ppcfbsd_store_inferior_registers): Likewise.
* ppc-linux-nat.c (ppc_linux_fetch_inferior_registers,
ppc_linux_store_inferior_registers): Likewise.
* ppc-nbsd-nat.c (ppcnbsd_fetch_inferior_registers,
ppcnbsd_store_inferior_registers): Likewise.
* ppc-obsd-nat.c (ppcobsd_fetch_registers,
ppcobsd_store_registers): Likewise.
* procfs.c (procfs_fetch_registers, procfs_store_registers):
Likewise.
* ravenscar-thread.c (ravenscar_fetch_registers,
ravenscar_store_registers, ravenscar_prepare_to_store):
Likewise.
* record-btrace.c (record_btrace_fetch_registers,
record_btrace_store_registers, record_btrace_prepare_to_store):
Likewise.
* remote-sim.c (gdbsim_fetch_register, gdbsim_store_register):
Lookup inferior using ptid from regcache, instead of
current_inferior.
* remote.c (remote_fetch_registers, remote_store_registers): Use
ptid from regcache.
* rs6000-nat.c (fetch_register, store_register): Likewise.
* s390-linux-nat.c (s390_linux_fetch_inferior_registers,
s390_linux_store_inferior_registers): Likewise.
* sh-nbsd-nat.c (shnbsd_fetch_inferior_registers,
shnbsd_store_inferior_registers): Likewise.
* sol-thread.c (sol_thread_fetch_registers,
sol_thread_store_registers): Likewise.
* sparc-nat.c (sparc_fetch_inferior_registers,
sparc_store_inferior_registers): Likewise.
* tilegx-linux-nat.c (fetch_inferior_registers,
store_inferior_registers): Likewise.
* vax-bsd-nat.c (vaxbsd_fetch_inferior_registers,
vaxbsd_store_inferior_registers): Likewise.
* xtensa-linux-nat.c (fetch_gregs, store_gregs, fetch_xtregs,
store_xtregs): Likewise.
2017-03-20 22:37:36 +01:00
|
|
|
int tid = ptid_get_lwp (regcache_get_ptid (regcache));
|
2008-02-11 22:58:41 +01:00
|
|
|
gdb_gregset_t regs;
|
|
|
|
|
int areg;
|
|
|
|
|
|
|
|
|
|
if (ptrace (PTRACE_GETREGS, tid, 0, (long) ®s) < 0)
|
|
|
|
|
{
|
|
|
|
|
perror_with_name (_("Couldn't get registers"));
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
fill_gregset (regcache, ®s, regnum);
|
|
|
|
|
|
|
|
|
|
if (ptrace (PTRACE_SETREGS, tid, 0, (long) ®s) < 0)
|
|
|
|
|
{
|
|
|
|
|
perror_with_name (_("Couldn't write registers"));
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int xtreg_lo;
|
|
|
|
|
static int xtreg_high;
|
|
|
|
|
|
|
|
|
|
/* Fetch/Store Xtensa TIE registers. Xtensa GNU/Linux PTRACE
|
|
|
|
|
interface provides special requests for this. */
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
fetch_xtregs (struct regcache *regcache, int regnum)
|
|
|
|
|
{
|
Use ptid from regcache in almost all remaining nat files
This patch contains almost all of the remaining changes needed to make
to_fetch_registers/to_store_registers/to_prepare_to_store independent of
inferior_ptid. It contains only some "trivial" changes, the more
complicated ones are in separate patches.
gdb/ChangeLog:
* i386-linux-nat.c (fetch_register, store_register,
i386_linux_fetch_inferior_registers,
i386_linux_store_inferior_registers): Use ptid from regcache.
* ia64-linux-nat.c (ia64_linux_fetch_register,
ia64_linux_store_register): Likewise.
* inf-ptrace.c (inf_ptrace_fetch_register,
inf_ptrace_store_register): Likewise.
* m32r-linux-nat.c (m32r_linux_fetch_inferior_registers,
m32r_linux_store_inferior_registers): Likewise.
* m68k-bsd-nat.c (m68kbsd_fetch_inferior_registers,
m68kbsd_store_inferior_registers): Likewise.
* m68k-linux-nat.c (fetch_register, store_register,
m68k_linux_fetch_inferior_registers,
m68k_linux_store_inferior_registers): Likewise.
* m88k-bsd-nat.c (m88kbsd_fetch_inferior_registers,
m88kbsd_store_inferior_registers): Likewise.
* mips-fbsd-nat.c (mips_fbsd_fetch_inferior_registers,
mips_fbsd_store_inferior_registers): Likewise.
* mips-linux-nat.c (mips64_linux_regsets_fetch_registers,
mips64_linux_regsets_store_registers): Likewise.
* mips-nbsd-nat.c (mipsnbsd_fetch_inferior_registers,
mipsnbsd_store_inferior_registers): Likewise.
* mips-obsd-nat.c (mips64obsd_fetch_inferior_registers,
mips64obsd_store_inferior_registers): Likewise.
* nto-procfs.c (procfs_fetch_registers, procfs_store_registers):
Likewise.
* ppc-fbsd-nat.c (ppcfbsd_fetch_inferior_registers,
ppcfbsd_store_inferior_registers): Likewise.
* ppc-linux-nat.c (ppc_linux_fetch_inferior_registers,
ppc_linux_store_inferior_registers): Likewise.
* ppc-nbsd-nat.c (ppcnbsd_fetch_inferior_registers,
ppcnbsd_store_inferior_registers): Likewise.
* ppc-obsd-nat.c (ppcobsd_fetch_registers,
ppcobsd_store_registers): Likewise.
* procfs.c (procfs_fetch_registers, procfs_store_registers):
Likewise.
* ravenscar-thread.c (ravenscar_fetch_registers,
ravenscar_store_registers, ravenscar_prepare_to_store):
Likewise.
* record-btrace.c (record_btrace_fetch_registers,
record_btrace_store_registers, record_btrace_prepare_to_store):
Likewise.
* remote-sim.c (gdbsim_fetch_register, gdbsim_store_register):
Lookup inferior using ptid from regcache, instead of
current_inferior.
* remote.c (remote_fetch_registers, remote_store_registers): Use
ptid from regcache.
* rs6000-nat.c (fetch_register, store_register): Likewise.
* s390-linux-nat.c (s390_linux_fetch_inferior_registers,
s390_linux_store_inferior_registers): Likewise.
* sh-nbsd-nat.c (shnbsd_fetch_inferior_registers,
shnbsd_store_inferior_registers): Likewise.
* sol-thread.c (sol_thread_fetch_registers,
sol_thread_store_registers): Likewise.
* sparc-nat.c (sparc_fetch_inferior_registers,
sparc_store_inferior_registers): Likewise.
* tilegx-linux-nat.c (fetch_inferior_registers,
store_inferior_registers): Likewise.
* vax-bsd-nat.c (vaxbsd_fetch_inferior_registers,
vaxbsd_store_inferior_registers): Likewise.
* xtensa-linux-nat.c (fetch_gregs, store_gregs, fetch_xtregs,
store_xtregs): Likewise.
2017-03-20 22:37:36 +01:00
|
|
|
int tid = ptid_get_lwp (regcache_get_ptid (regcache));
|
2008-02-11 22:58:41 +01:00
|
|
|
const xtensa_regtable_t *ptr;
|
|
|
|
|
char xtregs [XTENSA_ELF_XTREG_SIZE];
|
|
|
|
|
|
|
|
|
|
if (ptrace (PTRACE_GETXTREGS, tid, 0, (long)&xtregs) < 0)
|
|
|
|
|
perror_with_name (_("Couldn't get extended registers"));
|
|
|
|
|
|
|
|
|
|
for (ptr = xtensa_regmap_table; ptr->name; ptr++)
|
|
|
|
|
if (regnum == ptr->gdb_regnum || regnum == -1)
|
|
|
|
|
regcache_raw_supply (regcache, ptr->gdb_regnum,
|
|
|
|
|
xtregs + ptr->ptrace_offset);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
store_xtregs (struct regcache *regcache, int regnum)
|
|
|
|
|
{
|
Use ptid from regcache in almost all remaining nat files
This patch contains almost all of the remaining changes needed to make
to_fetch_registers/to_store_registers/to_prepare_to_store independent of
inferior_ptid. It contains only some "trivial" changes, the more
complicated ones are in separate patches.
gdb/ChangeLog:
* i386-linux-nat.c (fetch_register, store_register,
i386_linux_fetch_inferior_registers,
i386_linux_store_inferior_registers): Use ptid from regcache.
* ia64-linux-nat.c (ia64_linux_fetch_register,
ia64_linux_store_register): Likewise.
* inf-ptrace.c (inf_ptrace_fetch_register,
inf_ptrace_store_register): Likewise.
* m32r-linux-nat.c (m32r_linux_fetch_inferior_registers,
m32r_linux_store_inferior_registers): Likewise.
* m68k-bsd-nat.c (m68kbsd_fetch_inferior_registers,
m68kbsd_store_inferior_registers): Likewise.
* m68k-linux-nat.c (fetch_register, store_register,
m68k_linux_fetch_inferior_registers,
m68k_linux_store_inferior_registers): Likewise.
* m88k-bsd-nat.c (m88kbsd_fetch_inferior_registers,
m88kbsd_store_inferior_registers): Likewise.
* mips-fbsd-nat.c (mips_fbsd_fetch_inferior_registers,
mips_fbsd_store_inferior_registers): Likewise.
* mips-linux-nat.c (mips64_linux_regsets_fetch_registers,
mips64_linux_regsets_store_registers): Likewise.
* mips-nbsd-nat.c (mipsnbsd_fetch_inferior_registers,
mipsnbsd_store_inferior_registers): Likewise.
* mips-obsd-nat.c (mips64obsd_fetch_inferior_registers,
mips64obsd_store_inferior_registers): Likewise.
* nto-procfs.c (procfs_fetch_registers, procfs_store_registers):
Likewise.
* ppc-fbsd-nat.c (ppcfbsd_fetch_inferior_registers,
ppcfbsd_store_inferior_registers): Likewise.
* ppc-linux-nat.c (ppc_linux_fetch_inferior_registers,
ppc_linux_store_inferior_registers): Likewise.
* ppc-nbsd-nat.c (ppcnbsd_fetch_inferior_registers,
ppcnbsd_store_inferior_registers): Likewise.
* ppc-obsd-nat.c (ppcobsd_fetch_registers,
ppcobsd_store_registers): Likewise.
* procfs.c (procfs_fetch_registers, procfs_store_registers):
Likewise.
* ravenscar-thread.c (ravenscar_fetch_registers,
ravenscar_store_registers, ravenscar_prepare_to_store):
Likewise.
* record-btrace.c (record_btrace_fetch_registers,
record_btrace_store_registers, record_btrace_prepare_to_store):
Likewise.
* remote-sim.c (gdbsim_fetch_register, gdbsim_store_register):
Lookup inferior using ptid from regcache, instead of
current_inferior.
* remote.c (remote_fetch_registers, remote_store_registers): Use
ptid from regcache.
* rs6000-nat.c (fetch_register, store_register): Likewise.
* s390-linux-nat.c (s390_linux_fetch_inferior_registers,
s390_linux_store_inferior_registers): Likewise.
* sh-nbsd-nat.c (shnbsd_fetch_inferior_registers,
shnbsd_store_inferior_registers): Likewise.
* sol-thread.c (sol_thread_fetch_registers,
sol_thread_store_registers): Likewise.
* sparc-nat.c (sparc_fetch_inferior_registers,
sparc_store_inferior_registers): Likewise.
* tilegx-linux-nat.c (fetch_inferior_registers,
store_inferior_registers): Likewise.
* vax-bsd-nat.c (vaxbsd_fetch_inferior_registers,
vaxbsd_store_inferior_registers): Likewise.
* xtensa-linux-nat.c (fetch_gregs, store_gregs, fetch_xtregs,
store_xtregs): Likewise.
2017-03-20 22:37:36 +01:00
|
|
|
int tid = ptid_get_lwp (regcache_get_ptid (regcache));
|
2008-02-11 22:58:41 +01:00
|
|
|
const xtensa_regtable_t *ptr;
|
|
|
|
|
char xtregs [XTENSA_ELF_XTREG_SIZE];
|
|
|
|
|
|
|
|
|
|
if (ptrace (PTRACE_GETXTREGS, tid, 0, (long)&xtregs) < 0)
|
|
|
|
|
perror_with_name (_("Couldn't get extended registers"));
|
|
|
|
|
|
|
|
|
|
for (ptr = xtensa_regmap_table; ptr->name; ptr++)
|
|
|
|
|
if (regnum == ptr->gdb_regnum || regnum == -1)
|
|
|
|
|
regcache_raw_collect (regcache, ptr->gdb_regnum,
|
|
|
|
|
xtregs + ptr->ptrace_offset);
|
|
|
|
|
|
|
|
|
|
if (ptrace (PTRACE_SETXTREGS, tid, 0, (long)&xtregs) < 0)
|
|
|
|
|
perror_with_name (_("Couldn't write extended registers"));
|
|
|
|
|
}
|
|
|
|
|
|
2015-11-03 19:33:16 +01:00
|
|
|
static void
|
* corelow.c (get_core_registers): Adjust.
(core_file_thread_alive): Rename to...
(core_thread_alive): ... this.
(core_pid_to_str): Try gdbarch_core_pid_to_str first.
(init_core_ops): Adjust.
(coreops_suppress_target): Delete.
(_initialize_corelow): Unconditionally add core_ops.
* procfs.c: Include "inf-child.h".
(procfs_ops): Delete.
(init_procfs_ops): Delete. Reimplement as...
(procfs_target): ... this, inheriting from inf-child.
(procfs_attach, procfs_detach, procfs_fetch_registers): Adjust.
(procfs_prepare_to_store): Delete.
(procfs_store_registers, procfs_resume): Adjust.
(procfs_open): Delete.
(procfs_suppress_run): Delete.
(procfs_can_run): Delete.
(procfs_mourn_inferior): Adjust.
(procfs_init_inferior): Add target_ops parameter. Adjust.
(procfs_create_inferior): Don't pass procfs_init_inferior to
fork_inferior. Instead call it after fork_inferior returns.
(procfs_find_new_threads): Adjust.
(_initialize_procfs): Adjust to use procfs_target instead of
init_procfs_ops.
* sol-thread.c (orig_core_ops, sol_core_ops): Delete.
(lwp_to_thread): Use target_thread_alive.
(sol_thread_open): Delete.
(sol_thread_attach): Delete.
(sol_thread_detach, sol_thread_resume, sol_thread_wait)
(sol_thread_fetch_registers, sol_thread_store_registers): Adjust
to use find_target_beneath.
(sol_thread_prepare_to_store, sol_thread_xfer_memory): Delete.
(sol_thread_xfer_partial): Adjust to use find_target_beneath.
(sol_thread_files_info, sol_thread_kill_inferior): Delete.
(check_for_thread_db): New.
(sol_thread_notice_signals, sol_thread_create_inferior): Delete.
(sol_thread_new_objfile): Call check_for_thread_db.
(sol_thread_mourn_inferior): Adjust to use find_target_beneath.
(sol_thread_can_run): Delete.
(sol_thread_alive): Adjust to use find_target_beneath.
(sol_thread_stop): Delete.
(rw_common): Use target_write_memory or target_read_memory.
(ps_lgetregs, ps_lgetfpregs): Use target_fetch_registers.
(ps_lsetregs, ps_lsetfpregs): Use target_store_registers.
(solaris_pid_to_str): Remove check for libthread_db initialization
failing.
(sol_find_new_threads): Remove check for libthread_db
initialization failing, or for an invalid inferior_ptid. Adjust
to use find_target_beneath.
(sol_core_open, sol_core_close, sol_core_detach,
sol_core_files_info, sol_find_memory_regions,
sol_make_note_section, ignore): Delete.
(init_sol_thread_ops): Make it a thread_stratum target. Remove
unneeded callback settings.
(init_sol_core_ops): Delete.
(_initialize_sol_thread): No longer call init_sol_core_ops, set
procfs_suppress_run, or hack with core_ops.
* target.h (struct target_ops): Add a target_ops * parameter to
to_resume, to_fetch_registers, to_store_registers, to_thread_alive
and to_find_new_threads.
(target_fetch_registers, target_store_registers)
(target_thread_alive, target_find_new_threads): Redeclare as
function.
* target.c (update_current_target): Do not inherit or de_fault
to_resume, to_fetch_registers, to_store_registers,
to_thread_alive, to_find_new_threads.
(target_resume): Adjust.
(target_thread_alive, target_find_new_threads): New.
(debug_to_resume, debug_to_fetch_registers): Delete.
(target_fetch_registers): New.
(debug_to_store_registers): Delete.
(target_store_registers): New.
(debug_to_thread_alive, debug_to_find_new_threads): Delete.
(setup_target_debug): Adjust.
* gdbcore.h (core_ops): Delete declaration.
* inf-ptrace.c, linux-nat.c, remote.c, amd64-linux-nat.c,
inf-child.c, linux-thread-db.c, bsd-uthread.c, inf-ttrace.c,
i386-sol2-tdep.c, darwin-nat.c, gnu-nat.c, go32-nat.c,
hpux-thread.c, i386-linux-nat.c, i386fbsd-nat.c, monitor.c,
nto-procfs.c, remote-m32r-sdi.c, remote-mips.c, windows-nat.c,
alphabsd-nat.c, amd64bsd-nat.c, arm-linux-nat.c, armnbsd-nat.c,
bsd-kvm.c, hppa-hpux-nat.c, hppa-linux-nat.c, hppabsd-nat.c,
hppanbsd-nat.c, i386-darwin-nat.c, i386bsd-nat.c,
ia64-linux-nat.c, m32r-linux-nat.c, m68kbsd-nat.c,
m68klinux-nat.c, m88kbsd-nat.c, mips-linux-nat.c,
mips64obsd-nat.c, mipsnbsd-nat.c, ppc-linux-nat.c, ppcnbsd-nat.c,
ppcobsd-nat.c, remote-sim.c, rs6000-nat.c, s390-nat.c,
shnbsd-nat.c, sparc-nat.c, sparc-nat.h, spu-linux-nat.c,
vaxbsd-nat.c, xtensa-linux-nat.c: Adjust to target_ops changes.
* gdbarch.sh (core_pid_to_str): New gdbarch callback.
* gdbarch.h, gdbarch.c: Regenerate.
* sol2-tdep.c: Include "inferior.h".
(sol2_core_pid_to_str): New.
* sol2-tdep.h (sol2_core_pid_to_str): Declare.
* amd64-sol2-tdep.c (amd64_sol2_init_abi): Set it.
* sparc-sol2-tdep.c (sparc32_sol2_init_abi): Set it.
* sparc64-sol2-tdep.c (sparc64_sol2_init_abi): Set it.
* i386-sol2-tdep.c (i386_sol2_init_abi): Set it.
2009-02-23 01:03:50 +01:00
|
|
|
xtensa_linux_fetch_inferior_registers (struct target_ops *ops,
|
|
|
|
|
struct regcache *regcache, int regnum)
|
2008-02-11 22:58:41 +01:00
|
|
|
{
|
|
|
|
|
if (regnum == -1)
|
|
|
|
|
{
|
|
|
|
|
fetch_gregs (regcache, regnum);
|
|
|
|
|
fetch_xtregs (regcache, regnum);
|
|
|
|
|
}
|
|
|
|
|
else if ((regnum < xtreg_lo) || (regnum > xtreg_high))
|
|
|
|
|
fetch_gregs (regcache, regnum);
|
|
|
|
|
else
|
|
|
|
|
fetch_xtregs (regcache, regnum);
|
|
|
|
|
}
|
|
|
|
|
|
2015-11-03 19:33:16 +01:00
|
|
|
static void
|
* corelow.c (get_core_registers): Adjust.
(core_file_thread_alive): Rename to...
(core_thread_alive): ... this.
(core_pid_to_str): Try gdbarch_core_pid_to_str first.
(init_core_ops): Adjust.
(coreops_suppress_target): Delete.
(_initialize_corelow): Unconditionally add core_ops.
* procfs.c: Include "inf-child.h".
(procfs_ops): Delete.
(init_procfs_ops): Delete. Reimplement as...
(procfs_target): ... this, inheriting from inf-child.
(procfs_attach, procfs_detach, procfs_fetch_registers): Adjust.
(procfs_prepare_to_store): Delete.
(procfs_store_registers, procfs_resume): Adjust.
(procfs_open): Delete.
(procfs_suppress_run): Delete.
(procfs_can_run): Delete.
(procfs_mourn_inferior): Adjust.
(procfs_init_inferior): Add target_ops parameter. Adjust.
(procfs_create_inferior): Don't pass procfs_init_inferior to
fork_inferior. Instead call it after fork_inferior returns.
(procfs_find_new_threads): Adjust.
(_initialize_procfs): Adjust to use procfs_target instead of
init_procfs_ops.
* sol-thread.c (orig_core_ops, sol_core_ops): Delete.
(lwp_to_thread): Use target_thread_alive.
(sol_thread_open): Delete.
(sol_thread_attach): Delete.
(sol_thread_detach, sol_thread_resume, sol_thread_wait)
(sol_thread_fetch_registers, sol_thread_store_registers): Adjust
to use find_target_beneath.
(sol_thread_prepare_to_store, sol_thread_xfer_memory): Delete.
(sol_thread_xfer_partial): Adjust to use find_target_beneath.
(sol_thread_files_info, sol_thread_kill_inferior): Delete.
(check_for_thread_db): New.
(sol_thread_notice_signals, sol_thread_create_inferior): Delete.
(sol_thread_new_objfile): Call check_for_thread_db.
(sol_thread_mourn_inferior): Adjust to use find_target_beneath.
(sol_thread_can_run): Delete.
(sol_thread_alive): Adjust to use find_target_beneath.
(sol_thread_stop): Delete.
(rw_common): Use target_write_memory or target_read_memory.
(ps_lgetregs, ps_lgetfpregs): Use target_fetch_registers.
(ps_lsetregs, ps_lsetfpregs): Use target_store_registers.
(solaris_pid_to_str): Remove check for libthread_db initialization
failing.
(sol_find_new_threads): Remove check for libthread_db
initialization failing, or for an invalid inferior_ptid. Adjust
to use find_target_beneath.
(sol_core_open, sol_core_close, sol_core_detach,
sol_core_files_info, sol_find_memory_regions,
sol_make_note_section, ignore): Delete.
(init_sol_thread_ops): Make it a thread_stratum target. Remove
unneeded callback settings.
(init_sol_core_ops): Delete.
(_initialize_sol_thread): No longer call init_sol_core_ops, set
procfs_suppress_run, or hack with core_ops.
* target.h (struct target_ops): Add a target_ops * parameter to
to_resume, to_fetch_registers, to_store_registers, to_thread_alive
and to_find_new_threads.
(target_fetch_registers, target_store_registers)
(target_thread_alive, target_find_new_threads): Redeclare as
function.
* target.c (update_current_target): Do not inherit or de_fault
to_resume, to_fetch_registers, to_store_registers,
to_thread_alive, to_find_new_threads.
(target_resume): Adjust.
(target_thread_alive, target_find_new_threads): New.
(debug_to_resume, debug_to_fetch_registers): Delete.
(target_fetch_registers): New.
(debug_to_store_registers): Delete.
(target_store_registers): New.
(debug_to_thread_alive, debug_to_find_new_threads): Delete.
(setup_target_debug): Adjust.
* gdbcore.h (core_ops): Delete declaration.
* inf-ptrace.c, linux-nat.c, remote.c, amd64-linux-nat.c,
inf-child.c, linux-thread-db.c, bsd-uthread.c, inf-ttrace.c,
i386-sol2-tdep.c, darwin-nat.c, gnu-nat.c, go32-nat.c,
hpux-thread.c, i386-linux-nat.c, i386fbsd-nat.c, monitor.c,
nto-procfs.c, remote-m32r-sdi.c, remote-mips.c, windows-nat.c,
alphabsd-nat.c, amd64bsd-nat.c, arm-linux-nat.c, armnbsd-nat.c,
bsd-kvm.c, hppa-hpux-nat.c, hppa-linux-nat.c, hppabsd-nat.c,
hppanbsd-nat.c, i386-darwin-nat.c, i386bsd-nat.c,
ia64-linux-nat.c, m32r-linux-nat.c, m68kbsd-nat.c,
m68klinux-nat.c, m88kbsd-nat.c, mips-linux-nat.c,
mips64obsd-nat.c, mipsnbsd-nat.c, ppc-linux-nat.c, ppcnbsd-nat.c,
ppcobsd-nat.c, remote-sim.c, rs6000-nat.c, s390-nat.c,
shnbsd-nat.c, sparc-nat.c, sparc-nat.h, spu-linux-nat.c,
vaxbsd-nat.c, xtensa-linux-nat.c: Adjust to target_ops changes.
* gdbarch.sh (core_pid_to_str): New gdbarch callback.
* gdbarch.h, gdbarch.c: Regenerate.
* sol2-tdep.c: Include "inferior.h".
(sol2_core_pid_to_str): New.
* sol2-tdep.h (sol2_core_pid_to_str): Declare.
* amd64-sol2-tdep.c (amd64_sol2_init_abi): Set it.
* sparc-sol2-tdep.c (sparc32_sol2_init_abi): Set it.
* sparc64-sol2-tdep.c (sparc64_sol2_init_abi): Set it.
* i386-sol2-tdep.c (i386_sol2_init_abi): Set it.
2009-02-23 01:03:50 +01:00
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xtensa_linux_store_inferior_registers (struct target_ops *ops,
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|
|
|
struct regcache *regcache, int regnum)
|
2008-02-11 22:58:41 +01:00
|
|
|
{
|
|
|
|
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if (regnum == -1)
|
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|
|
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{
|
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|
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store_gregs (regcache, regnum);
|
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|
|
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store_xtregs (regcache, regnum);
|
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|
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}
|
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else if ((regnum < xtreg_lo) || (regnum > xtreg_high))
|
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|
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store_gregs (regcache, regnum);
|
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else
|
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|
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|
store_xtregs (regcache, regnum);
|
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|
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}
|
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|
2015-07-02 14:10:58 +02:00
|
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|
/* Called by libthread_db. */
|
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|
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ps_err_e
|
2016-08-25 09:42:03 +02:00
|
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|
ps_get_thread_area (struct ps_prochandle *ph,
|
2015-07-02 14:10:58 +02:00
|
|
|
lwpid_t lwpid, int idx, void **base)
|
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|
|
|
{
|
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|
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xtensa_elf_gregset_t regs;
|
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|
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|
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if (ptrace (PTRACE_GETREGS, lwpid, NULL, ®s) != 0)
|
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return PS_ERR;
|
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/* IDX is the bias from the thread pointer to the beginning of the
|
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|
thread descriptor. It has to be subtracted due to implementation
|
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|
|
quirks in libthread_db. */
|
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*base = (void *) ((char *) regs.threadptr - idx);
|
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return PS_OK;
|
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}
|
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|
|
|
2008-02-11 22:58:41 +01:00
|
|
|
void _initialize_xtensa_linux_nat (void);
|
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|
|
|
|
|
|
|
|
void
|
|
|
|
|
_initialize_xtensa_linux_nat (void)
|
|
|
|
|
{
|
|
|
|
|
struct target_ops *t;
|
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|
|
|
const xtensa_regtable_t *ptr;
|
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|
|
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|
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|
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/* Calculate the number range for extended registers. */
|
|
|
|
|
xtreg_lo = 1000000000;
|
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|
|
|
xtreg_high = -1;
|
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|
|
|
for (ptr = xtensa_regmap_table; ptr->name; ptr++)
|
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|
|
|
{
|
|
|
|
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if (ptr->gdb_regnum < xtreg_lo)
|
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|
|
|
xtreg_lo = ptr->gdb_regnum;
|
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|
|
|
if (ptr->gdb_regnum > xtreg_high)
|
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|
|
|
xtreg_high = ptr->gdb_regnum;
|
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|
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}
|
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/* Fill in the generic GNU/Linux methods. */
|
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|
|
t = linux_target ();
|
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|
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|
|
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/* Add our register access methods. */
|
|
|
|
|
t->to_fetch_registers = xtensa_linux_fetch_inferior_registers;
|
|
|
|
|
t->to_store_registers = xtensa_linux_store_inferior_registers;
|
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|
|
|
|
|
|
|
|
linux_nat_add_target (t);
|
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|
|
|
}
|
