1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
/* Definitions for Rs6000 running LynxOS.
Copyright (C) 1995, 1996 Free Software Foundation, Inc.
Contributed by David Henkel-Wallace, Cygnus Support (gumby@cygnus.com)
This file is part of GNU CC.
GNU CC 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, or (at your option)
any later version.
GNU CC 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 GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <lynx.h>
/* Definitions we want to override with those from rs6000.h: */
#undef LIB_SPEC
#undef PTRDIFF_TYPE
#undef WCHAR_TYPE
#undef WCHAR_TYPE_SIZE
#undef ASM_FILE_START
#undef EXTRA_SECTIONS
#undef READONLY_DATA_SECTION
#undef EXTRA_SECTION_FUNCTIONS
#undef SELECT_RTX_SECTION
#undef SELECT_SECTION
#undef ASM_OUTPUT_LABELREF
#undef ASM_OUTPUT_INTERNAL_LABEL
#undef ASM_GENERATE_INTERNAL_LABEL
#undef ASM_OUTPUT_COMMON
#undef ASM_OUTPUT_LOCAL
#undef ASM_OUTPUT_CONSTRUCTOR
#undef ASM_OUTPUT_DESTRUCTOR
#undef CTORS_SECTION_FUNCTION
#undef DTORS_SECTION_FUNCTION
#undef SDB_DEBUGGING_INFO
#undef DBX_DEBUGGING_INFO
#undef PREFERRED_DEBUGGING_TYPE
#undef FUNCTION_PROFILER
#include <rs6000/rs6000.h>
/* LynxOS has signed chars, regardless of what most R/S 6000 systems do */
#undef DEFAULT_SIGNED_CHAR
#define DEFAULT_SIGNED_CHAR 1
#undef CPP_PREDEFINES
#define CPP_PREDEFINES "-Acpu(rs6000) -Amachine(rs6000) -Asystem(lynx) -Asystem(unix) -DLynx -D_IBMR2 -Dunix -Drs6000 -Dlynx -DLYNX"
#undef LINK_SPEC
#define LINK_SPEC "-T0x10001000 -H0x1000 -D0x20000000 -btextro -bhalt:4 -bnodelcsect -bnso -bro -bnoglink %{v} %{b*}"
#undef LIB_SPEC
#define LIB_SPEC "%{mthreads:-L/lib/thread/} \
%{msystem-v:-lc_v -lm.v} \
%{!msystem-v:%{mposix:-lc_p} -lc -lm}"
#undef STARTFILE_SPEC
#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}}}"
#undef ENDFILE_SPEC
/* This can become more refined as we have more powerpc options. */
#undef ASM_SPEC
#define ASM_SPEC "\
-u \
%{!mcpu*: \
%{mpower2: -mpwrx} \
%{mpowerpc*: %{!mpower: -mppc}} \
%{mno-powerpc: %{!mpower: %{!mpower2: -mcom}}} \
%{mno-powerpc: %{mpower: %{!mpower2: -mpwr}}} \
%{!mno-powerpc: %{mpower: -m601}} \
%{!mno-powerpc: %{!mpower: -mppc}}} \
%{mcpu=common: -mcom} \
%{mcpu=power: -mpwr} \
%{mcpu=power2: -mpwrx} \
%{mcpu=powerpc: -mppc} \
%{mcpu=rios: -mpwr} \
%{mcpu=rios1: -mpwr} \
%{mcpu=rios2: -mpwrx} \
%{mcpu=rsc: -mpwr} \
%{mcpu=rsc1: -mpwr} \
%{mcpu=403: -mppc} \
%{mcpu=505: -mppc} \
%{mcpu=601: -m601} \
%{mcpu=602: -mppc} \
%{mcpu=603: -mppc} \
%{mcpu=603e: -mppc} \
%{mcpu=604: -mppc} \
%{mcpu=620: -mppc} \
%{mcpu=821: -mppc} \
%{mcpu=860: -mppc}"
#undef SUBTARGET_SWITCHES
#define SUBTARGET_SWITCHES \
{"threads", MASK_THREADS}, \
{"posix", MASK_POSIX}, \
{"system-v", MASK_SYSTEM_V},
#undef SUBTARGET_OVERRIDE_OPTIONS
#define SUBTARGET_OVERRIDE_OPTIONS \
do { \
if (TARGET_SYSTEM_V && profile_flag) \
warning ("-msystem-v and -p are incompatible"); \
if (TARGET_SYSTEM_V && TARGET_THREADS) \
warning ("-msystem-v and -mthreads are incompatible"); \
} while (0)
/* For collect2 */
#define OBJECT_FORMAT_NONE
#undef OBJECT_FORMAT_COFF
#undef OBJECT_FORMAT_ROSE
#undef MD_EXEC_PREFIX
#undef REAL_LD_FILE_NAME
#undef REAL_NM_FILE_NAME
#undef REAL_STRIP_FILE_NAME
/* LynxOS doesn't have mcount. */
#undef FUNCTION_PROFILER
#define FUNCTION_PROFILER(file, profile_label_no)
|
