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[binutils.git] / gdb / tm-sun4sol2.h

/* Macro definitions for GDB for a Sun 4 running Solaris 2
   Copyright 1989, 1992 Free Software Foundation, Inc.

This file is part of GDB.

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */

#include "tm-sparc.h"
#include "tm-sysv4.h"

/* The values of N_SLINE, N_LBRAC, N_RBRAC symbols in .stab sections are
   relative to the current function, rather than being absolute or
   relative to the current N_SO.  */

#define	BLOCK_ADDRESS_FUNCTION_RELATIVE

/* Variables in the debug stabs occur after the N_LBRAC, not before it,
   in code generated by Sun C.  */

#define VARIABLES_INSIDE_BLOCK(desc, gcc_p) (!(gcc_p))

/* There's no need to correct LBRAC entries by guessing how they should
   work.  In fact, this is harmful because the LBRAC entries now all appear
   at the end of the function, not intermixed with the SLINE entries.  */

#define	SUN_FIXED_LBRAC_BUG

#if 0		/* Setjmp/longjmp are not as well doc'd in SunOS 5.x yet */

/* Offsets into jmp_buf.  Not defined by Sun, but at least documented in a
   comment in <machine/setjmp.h>! */

#define JB_ELEMENT_SIZE 4	/* Size of each element in jmp_buf */

#define JB_ONSSTACK 0
#define JB_SIGMASK 1
#define JB_SP 2
#define JB_PC 3
#define JB_NPC 4
#define JB_PSR 5
#define JB_G1 6
#define JB_O0 7
#define JB_WBCNT 8

/* Figure out where the longjmp will land.  We expect that we have just entered
   longjmp and haven't yet setup the stack frame, so the args are still in the
   output regs.  %o0 (O0_REGNUM) points at the jmp_buf structure from which we
   extract the pc (JB_PC) that we will land at.  The pc is copied into ADDR.
   This routine returns true on success */

extern int
get_longjmp_target PARAMS ((CORE_ADDR *));

#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)
#endif  /* 0 */