/* Target machine definitions for GDB for an embedded SPARC.
|
/* Target machine definitions for GDB for an embedded SPARC.
|
Copyright 1989, 1992, 1993 Free Software Foundation, Inc.
|
Copyright 1989, 1992, 1993 Free Software Foundation, Inc.
|
|
|
This file is part of GDB.
|
This file is part of GDB.
|
|
|
This program is free software; you can redistribute it and/or modify
|
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
|
it under the terms of the GNU General Public License as published by
|
the Free Software Foundation; either version 2 of the License, or
|
the Free Software Foundation; either version 2 of the License, or
|
(at your option) any later version.
|
(at your option) any later version.
|
|
|
This program is distributed in the hope that it will be useful,
|
This program is distributed in the hope that it will be useful,
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
GNU General Public License for more details.
|
GNU General Public License for more details.
|
|
|
You should have received a copy of the GNU General Public License
|
You should have received a copy of the GNU General Public License
|
along with this program; if not, write to the Free Software
|
along with this program; if not, write to the Free Software
|
Foundation, Inc., 59 Temple Place - Suite 330,
|
Foundation, Inc., 59 Temple Place - Suite 330,
|
Boston, MA 02111-1307, USA. */
|
Boston, MA 02111-1307, USA. */
|
|
|
#include "sparc/tm-sparc.h"
|
#include "sparc/tm-sparc.h"
|
|
|
/* Offsets into jmp_buf. Not defined by Sun, but at least documented in a
|
/* Offsets into jmp_buf. Not defined by Sun, but at least documented in a
|
comment in <machine/setjmp.h>! */
|
comment in <machine/setjmp.h>! */
|
|
|
#define JB_ELEMENT_SIZE 4 /* Size of each element in jmp_buf */
|
#define JB_ELEMENT_SIZE 4 /* Size of each element in jmp_buf */
|
|
|
#define JB_ONSSTACK 0
|
#define JB_ONSSTACK 0
|
#define JB_SIGMASK 1
|
#define JB_SIGMASK 1
|
#define JB_SP 2
|
#define JB_SP 2
|
#define JB_PC 3
|
#define JB_PC 3
|
#define JB_NPC 4
|
#define JB_NPC 4
|
#define JB_PSR 5
|
#define JB_PSR 5
|
#define JB_G1 6
|
#define JB_G1 6
|
#define JB_O0 7
|
#define JB_O0 7
|
#define JB_WBCNT 8
|
#define JB_WBCNT 8
|
|
|
/* Figure out where the longjmp will land. We expect that we have just entered
|
/* 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
|
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
|
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.
|
extract the pc (JB_PC) that we will land at. The pc is copied into ADDR.
|
This routine returns true on success */
|
This routine returns true on success */
|
|
|
extern int
|
extern int
|
get_longjmp_target PARAMS ((CORE_ADDR *));
|
get_longjmp_target PARAMS ((CORE_ADDR *));
|
|
|
#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)
|
#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)
|
|
|
