lynx.h revision 132718
1214501Srpaulo/* Definitions for Rs6000 running LynxOS.
2214501Srpaulo   Copyright (C) 1995, 1996, 2000, 2002, 2003 Free Software Foundation, Inc.
3214501Srpaulo   Contributed by David Henkel-Wallace, Cygnus Support (gumby@cygnus.com)
4214501Srpaulo
5214501Srpaulo   This file is part of GCC.
6214501Srpaulo
7214501Srpaulo   GCC is free software; you can redistribute it and/or modify it
8214501Srpaulo   under the terms of the GNU General Public License as published
9214501Srpaulo   by the Free Software Foundation; either version 2, or (at your
10214501Srpaulo   option) any later version.
11214501Srpaulo
12214501Srpaulo   GCC is distributed in the hope that it will be useful, but WITHOUT
13214501Srpaulo   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14214501Srpaulo   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
15214501Srpaulo   License for more details.
16214501Srpaulo
17214501Srpaulo   You should have received a copy of the GNU General Public License
18214501Srpaulo   along with GCC; see the file COPYING.  If not, write to the
19214501Srpaulo   Free Software Foundation, 59 Temple Place - Suite 330, Boston,
20214501Srpaulo   MA 02111-1307, USA.  */
21214501Srpaulo
22214501Srpaulo/* Print subsidiary information on the compiler version in use.  */
23214501Srpaulo#define TARGET_VERSION fprintf (stderr, " (LynxOS-RS/6000)");
24214501Srpaulo
25214501Srpaulo/* LynxOS has signed chars, regardless of what most R/S 6000 systems do */
26214501Srpaulo#undef  DEFAULT_SIGNED_CHAR
27214501Srpaulo#define DEFAULT_SIGNED_CHAR 1
28214501Srpaulo
29214501Srpaulo#undef  TARGET_OS_CPP_BUILTINS
30214501Srpaulo#define TARGET_OS_CPP_BUILTINS()         \
31214501Srpaulo  do                                     \
32214501Srpaulo    {                                    \
33214501Srpaulo      builtin_assert ("cpu=rs6000");     \
34214501Srpaulo      builtin_assert ("machine=rs6000"); \
35214501Srpaulo      builtin_assert ("system=lynx");    \
36214501Srpaulo      builtin_assert ("system=unix");    \
37214501Srpaulo      builtin_define_std ("Lynx");       \
38214501Srpaulo      builtin_define ("_IBMR2");         \
39214501Srpaulo      builtin_define_std ("unix");       \
40214501Srpaulo      builtin_define_std ("rs6000");     \
41214501Srpaulo      builtin_define_std ("lynx");       \
42214501Srpaulo      builtin_define_std ("LYNX");       \
43214501Srpaulo    }                                    \
44214501Srpaulo  while (0)
45214501Srpaulo
46214501Srpaulo#undef  LINK_SPEC
47214501Srpaulo#define LINK_SPEC "-T0x10001000 -H0x1000 -D0x20000000 -btextro -bhalt:4 -bnodelcsect -bnso -bro -bnoglink %{v} %{b*}"
48214501Srpaulo
49214501Srpaulo#undef  LIB_SPEC
50214501Srpaulo#define LIB_SPEC "%{mthreads:-L/lib/thread/}  \
51214501Srpaulo  %{msystem-v:-lc_v -lm.v}  \
52214501Srpaulo  %{!msystem-v:%{mposix:-lc_p} -lc -lm}"
53214501Srpaulo
54214501Srpaulo#undef  STARTFILE_SPEC
55214501Srpaulo#define STARTFILE_SPEC "%{p:%{mthreads:thread/pinit.o%s}%{!mthreads:pinit.o%s}}%{!p:%{msystem-v:vinit.o%s -e_start}%{!msystem-v:%{mthreads:thread/init.o%s}%{!mthreads:init.o%s}}}"
56214501Srpaulo
57214501Srpaulo#undef ENDFILE_SPEC
58214501Srpaulo
59214501Srpaulo/* This can become more refined as we have more powerpc options.  */
60214501Srpaulo#undef  ASM_SPEC
61214501Srpaulo#define ASM_SPEC "-u %(asm_cpu)"
62214501Srpaulo
63214501Srpaulo#undef  SUBTARGET_SWITCHES
64214501Srpaulo#define SUBTARGET_SWITCHES \
65214501Srpaulo    {"threads",		MASK_THREADS},		\
66214501Srpaulo    {"posix",		MASK_POSIX},		\
67214501Srpaulo    {"system-v",	MASK_SYSTEM_V},
68
69#undef  SUBTARGET_OVERRIDE_OPTIONS
70#define SUBTARGET_OVERRIDE_OPTIONS \
71do {								\
72  if (TARGET_SYSTEM_V && profile_flag)				\
73    warning ("-msystem-v and -p are incompatible");		\
74  if (TARGET_SYSTEM_V && TARGET_THREADS)			\
75    warning ("-msystem-v and -mthreads are incompatible");	\
76} while (0)
77
78/* For collect2 */
79#define OBJECT_FORMAT_NONE
80#undef OBJECT_FORMAT_COFF
81#undef MD_EXEC_PREFIX
82#undef REAL_LD_FILE_NAME
83#undef REAL_STRIP_FILE_NAME
84
85/* LynxOS doesn't have mcount.  */
86#undef  FUNCTION_PROFILER
87#define FUNCTION_PROFILER(file, profile_label_no)
88