GDB (API): /home/stan/gdb/src/gdb/sparc64-nat.c Source File

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00001 /* Native-dependent code for GNU/Linux UltraSPARC.
00002 
00003    Copyright (C) 2003-2013 Free Software Foundation, Inc.
00004 
00005    This file is part of GDB.
00006 
00007    This program is free software; you can redistribute it and/or modify
00008    it under the terms of the GNU General Public License as published by
00009    the Free Software Foundation; either version 3 of the License, or
00010    (at your option) any later version.
00011 
00012    This program is distributed in the hope that it will be useful,
00013    but WITHOUT ANY WARRANTY; without even the implied warranty of
00014    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015    GNU General Public License for more details.
00016 
00017    You should have received a copy of the GNU General Public License
00018    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
00019 
00020 #include "defs.h"
00021 #include "gdbarch.h"
00022 
00023 #include "sparc64-tdep.h"
00024 #include "sparc-nat.h"
00025 
00026 /* Determine whether `gregset_t' contains register REGNUM.  */
00027 
00028 static int
00029 sparc64_gregset_supplies_p (struct gdbarch *gdbarch, int regnum)
00030 {
00031   if (gdbarch_ptr_bit (gdbarch) == 32)
00032     return sparc32_gregset_supplies_p (gdbarch, regnum);
00033 
00034   /* Integer registers.  */
00035   if ((regnum >= SPARC_G1_REGNUM && regnum <= SPARC_G7_REGNUM)
00036       || (regnum >= SPARC_O0_REGNUM && regnum <= SPARC_O7_REGNUM)
00037       || (regnum >= SPARC_L0_REGNUM && regnum <= SPARC_L7_REGNUM)
00038       || (regnum >= SPARC_I0_REGNUM && regnum <= SPARC_I7_REGNUM))
00039     return 1;
00040 
00041   /* Control registers.  */
00042   if (regnum == SPARC64_PC_REGNUM
00043       || regnum == SPARC64_NPC_REGNUM
00044       || regnum == SPARC64_STATE_REGNUM
00045       || regnum == SPARC64_Y_REGNUM
00046       || regnum == SPARC64_FPRS_REGNUM)
00047     return 1;
00048 
00049   return 0;
00050 }
00051 
00052 /* Determine whether `fpregset_t' contains register REGNUM.  */
00053 
00054 static int
00055 sparc64_fpregset_supplies_p (struct gdbarch *gdbarch, int regnum)
00056 {
00057   if (gdbarch_ptr_bit (gdbarch) == 32)
00058     return sparc32_fpregset_supplies_p (gdbarch, regnum);
00059 
00060   /* Floating-point registers.  */
00061   if ((regnum >= SPARC_F0_REGNUM && regnum <= SPARC_F31_REGNUM)
00062       || (regnum >= SPARC64_F32_REGNUM && regnum <= SPARC64_F62_REGNUM))
00063     return 1;
00064 
00065   /* Control registers.  */
00066   if (regnum == SPARC64_FSR_REGNUM)
00067     return 1;
00068 
00069   return 0;
00070 }
00071 
00072 
00073 /* Provide a prototype to silence -Wmissing-prototypes.  */
00074 void _initialize_sparc64_nat (void);
00075 
00076 void
00077 _initialize_sparc64_nat (void)
00078 {
00079   sparc_supply_gregset = sparc64_supply_gregset;
00080   sparc_collect_gregset = sparc64_collect_gregset;
00081   sparc_supply_fpregset = sparc64_supply_fpregset;
00082   sparc_collect_fpregset = sparc64_collect_fpregset;
00083   sparc_gregset_supplies_p = sparc64_gregset_supplies_p;
00084   sparc_fpregset_supplies_p = sparc64_fpregset_supplies_p;
00085 }