1 /* Definitions of target machine for GNU compiler, for SunOS 4.x
2 Copyright (C) 1994, 1999 Free Software Foundation, Inc.
4 This file is part of GNU CC.
6 GNU CC 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, or (at your option)
11 GNU CC 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 GNU CC; see the file COPYING. If not, write to
18 the Free Software Foundation, 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
21 #define SUNOS4_SHARED_LIBRARIES 1
24 #define CPP_PREDEFINES "-Dsparc -Dsun -Dunix -Asystem=unix -Asystem=bsd"
26 /* Use N_BINCL stabs. */
30 /* The Sun as doesn't like unaligned data. */
31 #define DWARF2_UNWIND_INFO 0
33 /* Override MACHINE_STATE_{SAVE,RESTORE} because we have special
34 traps available which can get and set the condition codes
36 #undef MACHINE_STATE_SAVE
37 #define MACHINE_STATE_SAVE(ID) \
38 unsigned long int ms_flags, ms_saveret; \
39 asm volatile("ta 0x20\n\t" \
42 : "=r" (ms_flags), "=r" (ms_saveret));
44 #undef MACHINE_STATE_RESTORE
45 #define MACHINE_STATE_RESTORE(ID) \
46 asm volatile("mov %0, %%g1\n\t" \
50 : "r" (ms_flags), "r" (ms_saveret));
52 /* SunOS has on_exit instead of atexit. */
53 /* The man page says it returns int. */
54 extern int on_exit PARAMS ((void *, void *));
55 #define ON_EXIT(FUNC) on_exit ((FUNC), 0)