102 lines
2.7 KiB
C
102 lines
2.7 KiB
C
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/* Target-dependent code for the IA-64 for GDB, the GNU debugger.
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Copyright (C) 2010 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 "ia64-tdep.h"
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#include "ia64-hpux-tdep.h"
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#include "osabi.h"
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#include "gdbtypes.h"
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#include "solib.h"
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/* Return nonzero if the value of the register identified by REGNUM
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can be modified. */
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static int
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ia64_hpux_can_store_ar_register (int regnum)
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{
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switch (regnum)
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{
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case IA64_RSC_REGNUM:
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case IA64_RNAT_REGNUM:
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case IA64_CSD_REGNUM:
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case IA64_SSD_REGNUM:
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case IA64_CCV_REGNUM:
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case IA64_UNAT_REGNUM:
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case IA64_FPSR_REGNUM:
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case IA64_PFS_REGNUM:
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case IA64_LC_REGNUM:
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case IA64_EC_REGNUM:
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return 1;
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break;
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default:
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return 0;
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break;
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}
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}
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/* The "cannot_store_register" target_ops method. */
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static int
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ia64_hpux_cannot_store_register (struct gdbarch *gdbarch, int regnum)
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{
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/* General registers. */
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if (regnum == IA64_GR0_REGNUM)
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return 1;
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/* FP register. */
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if (regnum == IA64_FR0_REGNUM || regnum == IA64_FR1_REGNUM)
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return 1;
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/* Application registers. */
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if (regnum >= IA64_AR0_REGNUM && regnum <= IA64_AR0_REGNUM + 127)
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return (!ia64_hpux_can_store_ar_register (regnum));
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/* We can store all other registers. */
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return 0;
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}
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/* Should be set to non-NULL if the ia64-hpux solib module is linked in.
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This may not be the case because the shared library support code can
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only be compiled on ia64-hpux. */
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struct target_so_ops *ia64_hpux_so_ops = NULL;
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static void
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ia64_hpux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
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{
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set_gdbarch_long_double_format (gdbarch, floatformats_ia64_quad);
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set_gdbarch_cannot_store_register (gdbarch, ia64_hpux_cannot_store_register);
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if (ia64_hpux_so_ops)
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set_solib_ops (gdbarch, ia64_hpux_so_ops);
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}
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/* Provide a prototype to silence -Wmissing-prototypes. */
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extern initialize_file_ftype _initialize_ia64_hpux_tdep;
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void
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_initialize_ia64_hpux_tdep (void)
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{
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gdbarch_register_osabi (bfd_arch_ia64, 0, GDB_OSABI_HPUX_ELF,
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ia64_hpux_init_abi);
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}
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