gdb/config/i386/tm-nbsd.h

   1 /* Macro definitions for i386 running under NetBSD.
   2    Copyright 1994, 1996, 2000, 2002 Free Software Foundation, Inc.
   3
   4    This file is part of GDB.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 59 Temple Place - Suite 330,
  19    Boston, MA 02111-1307, USA.  */
  20
  21 #ifndef TM_NBSD_H
  22 #define TM_NBSD_H
  23
  24 #define HAVE_I387_REGS
  25 #define HAVE_SSE_REGS
  26
  27 #include "i386/tm-i386.h"
  28 #include "config/tm-nbsd.h"
  29
  30 extern use_struct_convention_fn i386nbsd_use_struct_convention;
  31 #define USE_STRUCT_CONVENTION(gcc_p, type) \
  32         i386nbsd_use_struct_convention(gcc_p, type)
  33
  34
  35 #define JB_ELEMENT_SIZE sizeof(int)     /* jmp_buf[_JBLEN] is array of ints */
  36 #define JB_PC   0               /* Setjmp()'s return PC saved here */
  37
  38 /* Figure out where the longjmp will land.  Slurp the args out of the stack.
  39    We expect the first arg to be a pointer to the jmp_buf structure from which
  40    we extract the pc (JB_PC) that we will land at.  The pc is copied into ADDR.
  41    This routine returns true on success */
  42
  43 extern int get_longjmp_target (CORE_ADDR *);
  44
  45 #define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)
  46
  47 \f
  48 /* Support for signal handlers.  */
  49
  50 #define IN_SIGTRAMP(pc, name) i386bsd_in_sigtramp (pc, name)
  51 extern int i386bsd_in_sigtramp (CORE_ADDR pc, char *name);
  52
  53 /* These defines allow the recognition of sigtramps as a function name
  54    <sigtramp>.
  55
  56    FIXME: kettenis/2001-07-13: These should be added to the target
  57    vector and turned into functions when we go "multi-arch".  */
  58
  59 #define SIGTRAMP_START(pc) i386bsd_sigtramp_start
  60 #define SIGTRAMP_END(pc) i386bsd_sigtramp_end
  61 extern CORE_ADDR i386bsd_sigtramp_start;
  62 extern CORE_ADDR i386bsd_sigtramp_end;
  63
  64 /* Override FRAME_SAVED_PC to enable the recognition of signal handlers.  */
  65
  66 #undef FRAME_SAVED_PC
  67 #define FRAME_SAVED_PC(frame) i386bsd_frame_saved_pc (frame)
  68 extern CORE_ADDR i386bsd_frame_saved_pc (struct frame_info *frame);
  69
  70 #endif /* TM_NBSD_H */