gdb/tm-spc-noun.h

   1 /* Target machine definitions for GDB for an embedded SPARC, that uses
   2    a file format where symbols have no leading underscore.
   3    Copyright (C) 1989, 1992 Free Software Foundation, Inc.
   4
   5 This file is part of GDB.
   6
   7 This program is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2 of the License, or
  10 (at your option) any later version.
  11
  12 This program is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with this program; if not, write to the Free Software
  19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  20
  21 #include "tm-sparc.h"
  22
  23 /* Arbitrary -- FIXME.  */
  24
  25 #undef STACK_END_ADDRESS
  26 #define STACK_END_ADDRESS 0xf8000000
  27
  28 /* Offsets into jmp_buf.  Not defined by Sun, but at least documented in a
  29    comment in <machine/setjmp.h>! */
  30
  31 #define JB_ELEMENT_SIZE 4       /* Size of each element in jmp_buf */
  32
  33 #define JB_ONSSTACK 0
  34 #define JB_SIGMASK 1
  35 #define JB_SP 2
  36 #define JB_PC 3
  37 #define JB_NPC 4
  38 #define JB_PSR 5
  39 #define JB_G1 6
  40 #define JB_O0 7
  41 #define JB_WBCNT 8
  42
  43 /* Figure out where the longjmp will land.  We expect that we have just entered
  44    longjmp and haven't yet setup the stack frame, so the args are still in the
  45    output regs.  %o0 (O0_REGNUM) points at the jmp_buf structure from which we
  46    extract the pc (JB_PC) that we will land at.  The pc is copied into ADDR.
  47    This routine returns true on success */
  48
  49 extern int
  50 get_longjmp_target PARAMS ((CORE_ADDR *));
  51
  52 #define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)