1 /* Macro definitions for GDB for a Sun 4 running Solaris 2
2 Copyright 1989, 1992, 1993, 1994 Free Software Foundation, Inc.
4 This file is part of GDB.
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.
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.
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
20 #include "sparc/tm-sparc.h"
23 /* There are two different signal handler trampolines in Solaris2. */
24 #define IN_SIGTRAMP(pc, name) \
26 && (STREQ ("sigacthandler", name) || STREQ ("ucbsigvechandler", name)))
28 /* The signal handler gets a pointer to an ucontext as third argument
29 if it is called from sigacthandler. This is the offset to the saved
30 PC within it. sparc_frame_saved_pc knows how to deal with
32 #define SIGCONTEXT_PC_OFFSET 44
34 #if 0 /* FIXME Setjmp/longjmp are not as well doc'd in SunOS 5.x yet */
36 /* Offsets into jmp_buf. Not defined by Sun, but at least documented in a
37 comment in <machine/setjmp.h>! */
39 #define JB_ELEMENT_SIZE 4 /* Size of each element in jmp_buf */
51 /* Figure out where the longjmp will land. We expect that we have just entered
52 longjmp and haven't yet setup the stack frame, so the args are still in the
53 output regs. %o0 (O0_REGNUM) points at the jmp_buf structure from which we
54 extract the pc (JB_PC) that we will land at. The pc is copied into ADDR.
55 This routine returns true on success */
58 get_longjmp_target
PARAMS ((CORE_ADDR
*));
60 #define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)
63 /* The SunPRO compiler puts out 0 instead of the address in an N_SO symbol. */
64 #define N_SO_ADDRESS_MAYBE_MISSING
66 #define FAULTED_USE_SIGINFO
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