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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-6.8/] [gdb/] [alpha-osf1-tdep.c] - Blame information for rev 24

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1 24 jeremybenn
/* Target-dependent code for OSF/1 on Alpha.
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   Copyright (C) 2002, 2003, 2007, 2008 Free Software Foundation, Inc.
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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 "gdbcore.h"
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#include "value.h"
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#include "osabi.h"
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#include "gdb_string.h"
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#include "objfiles.h"
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#include "alpha-tdep.h"
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static int
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alpha_osf1_pc_in_sigtramp (CORE_ADDR pc, char *func_name)
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{
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  return (func_name != NULL && strcmp ("__sigtramp", func_name) == 0);
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}
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static CORE_ADDR
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alpha_osf1_sigcontext_addr (struct frame_info *next_frame)
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{
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  const struct frame_id next_id = get_frame_id (next_frame);
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  return (read_memory_integer (next_id.stack_addr, 8));
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}
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static void
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alpha_osf1_init_abi (struct gdbarch_info info,
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                     struct gdbarch *gdbarch)
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{
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  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
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  /* Hook into the MDEBUG frame unwinder.  */
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  alpha_mdebug_init_abi (info, gdbarch);
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  /* The next/step support via procfs on OSF1 is broken when running
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     on multi-processor machines. We need to use software single stepping
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     instead.  */
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  set_gdbarch_software_single_step (gdbarch, alpha_software_single_step);
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  tdep->sigcontext_addr = alpha_osf1_sigcontext_addr;
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  tdep->pc_in_sigtramp = alpha_osf1_pc_in_sigtramp;
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  tdep->jb_pc = 2;
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  tdep->jb_elt_size = 8;
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}
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void
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_initialize_alpha_osf1_tdep (void)
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{
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  gdbarch_register_osabi (bfd_arch_alpha, 0, GDB_OSABI_OSF1,
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                          alpha_osf1_init_abi);
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}

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