source: trunk/libs/newlib/src/newlib/libc/include/sys/config.h @ 444

Last change on this file since 444 was 444, checked in by satin@…, 6 years ago

add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
File size: 6.9 KB
Line 
1#ifndef __SYS_CONFIG_H__
2#define __SYS_CONFIG_H__
3
4#include <machine/ieeefp.h>  /* floating point macros */
5#include <sys/features.h>       /* POSIX defs */
6
7#ifdef __aarch64__
8#define MALLOC_ALIGNMENT 16
9#endif
10
11/* exceptions first */
12#if defined(__H8500__) || defined(__W65__)
13#define __SMALL_BITFIELDS
14/* ???  This conditional is true for the h8500 and the w65, defining H8300
15   in those cases probably isn't the right thing to do.  */
16#define H8300 1
17#endif
18
19/* 16 bit integer machines */
20#if defined(__Z8001__) || defined(__Z8002__) || defined(__H8500__) || defined(__W65__) || defined (__mn10200__) || defined (__AVR__)
21
22#undef INT_MAX
23#undef UINT_MAX
24#define INT_MAX 32767
25#define UINT_MAX 65535
26#endif
27
28#if defined (__H8300__) || defined (__H8300H__) || defined(__H8300S__) || defined (__H8300SX__)
29#define __SMALL_BITFIELDS
30#define H8300 1
31#undef INT_MAX
32#undef UINT_MAX
33#define INT_MAX __INT_MAX__
34#define UINT_MAX (__INT_MAX__ * 2U + 1)
35#endif
36
37#if (defined(__CR16__) || defined(__CR16C__) ||defined(__CR16CP__))
38#ifndef __INT32__
39#define __SMALL_BITFIELDS     
40#undef INT_MAX
41#undef UINT_MAX
42#define INT_MAX 32767
43#define UINT_MAX (__INT_MAX__ * 2U + 1)
44#else /* INT32 */
45#undef INT_MAX
46#undef UINT_MAX
47#define INT_MAX 2147483647
48#define UINT_MAX (__INT_MAX__ * 2U + 1)
49#endif /* INT32 */
50
51#endif /* CR16C */
52
53#if defined (__xc16x__) || defined (__xc16xL__) || defined (__xc16xS__)
54#define __SMALL_BITFIELDS
55#endif
56
57#ifdef __W65__
58#define __SMALL_BITFIELDS
59#endif
60
61#if defined(__D10V__)
62#define __SMALL_BITFIELDS
63#undef INT_MAX
64#undef UINT_MAX
65#define INT_MAX __INT_MAX__
66#define UINT_MAX (__INT_MAX__ * 2U + 1)
67#define _POINTER_INT short
68#endif
69
70#if defined(__mc68hc11__) || defined(__mc68hc12__) || defined(__mc68hc1x__)
71#undef INT_MAX
72#undef UINT_MAX
73#define INT_MAX __INT_MAX__
74#define UINT_MAX (__INT_MAX__ * 2U + 1)
75#define _POINTER_INT short
76#endif
77
78#if defined(__m68k__) || defined(__mc68000__) || defined(__riscv)
79#define _READ_WRITE_RETURN_TYPE _ssize_t
80#endif
81
82#ifdef ___AM29K__
83#define _FLOAT_RET double
84#endif
85
86#ifdef __i386__
87#ifndef __unix__
88/* in other words, go32 */
89#define _FLOAT_RET double
90#endif
91#if defined(__linux__) || defined(__RDOS__)
92/* we want the reentrancy structure to be returned by a function */
93#define __DYNAMIC_REENT__
94#define HAVE_GETDATE
95#define _READ_WRITE_RETURN_TYPE _ssize_t
96#define __LARGE64_FILES 1
97/* we use some glibc header files so turn on glibc large file feature */
98#define _LARGEFILE64_SOURCE 1
99#endif
100#endif
101
102#ifdef __mn10200__
103#define __SMALL_BITFIELDS
104#endif
105
106#ifdef __AVR__
107#define __SMALL_BITFIELDS
108#define _POINTER_INT short
109#endif
110
111#ifdef __v850
112#define __ATTRIBUTE_IMPURE_PTR__ __attribute__((__sda__))
113#endif
114
115/* For the PowerPC eabi, force the _impure_ptr to be in .sdata */
116#if defined(__PPC__)
117#if defined(_CALL_SYSV)
118#define __ATTRIBUTE_IMPURE_PTR__ __attribute__((__section__(".sdata")))
119#endif
120#ifdef __SPE__
121#define _LONG_DOUBLE double
122#endif
123#endif
124
125/* Configure small REENT structure for Xilinx MicroBlaze platforms */
126#if defined (__MICROBLAZE__)
127#ifndef _REENT_SMALL
128#define _REENT_SMALL
129#endif
130/* Xilinx XMK uses Unix98 mutex */
131#ifdef __XMK__
132#define _UNIX98_THREAD_MUTEX_ATTRIBUTES
133#endif
134#endif
135
136#if defined(__mips__) && !defined(__rtems__)
137#define __ATTRIBUTE_IMPURE_PTR__ __attribute__((__section__(".sdata")))
138#endif
139
140#ifdef __xstormy16__
141#define __SMALL_BITFIELDS
142#undef INT_MAX
143#undef UINT_MAX
144#define INT_MAX __INT_MAX__
145#define UINT_MAX (__INT_MAX__ * 2U + 1)
146#define MALLOC_ALIGNMENT 8
147#define _POINTER_INT short
148#define __BUFSIZ__ 16
149#define _REENT_SMALL
150#endif
151
152#if defined __MSP430__
153#ifndef _REENT_SMALL
154#define _REENT_SMALL
155#endif
156
157#define __BUFSIZ__ 256
158#define __SMALL_BITFIELDS
159
160#ifdef __MSP430X_LARGE__
161#define _POINTER_INT long
162#else
163#define _POINTER_INT int
164#endif
165#endif
166
167#ifdef __m32c__
168#define __SMALL_BITFIELDS
169#undef INT_MAX
170#undef UINT_MAX
171#define INT_MAX __INT_MAX__
172#define UINT_MAX (__INT_MAX__ * 2U + 1)
173#define MALLOC_ALIGNMENT 8
174#if defined(__r8c_cpu__) || defined(__m16c_cpu__)
175#define _POINTER_INT short
176#else
177#define _POINTER_INT long
178#endif
179#define __BUFSIZ__ 16
180#define _REENT_SMALL
181#endif /* __m32c__ */
182
183#ifdef __SPU__
184#define MALLOC_ALIGNMENT 16
185#define __CUSTOM_FILE_IO__
186#endif
187
188#if defined(__or1k__) || defined(__or1knd__)
189#define __DYNAMIC_REENT__
190#endif
191
192/* This block should be kept in sync with GCC's limits.h.  The point
193   of having these definitions here is to not include limits.h, which
194   would pollute the user namespace, while still using types of the
195   the correct widths when deciding how to define __int32_t and
196   __int64_t.  */
197#ifndef __INT_MAX__
198# ifdef INT_MAX
199#  define __INT_MAX__ INT_MAX
200# else
201#  define __INT_MAX__ 2147483647
202# endif
203#endif
204
205#ifndef __LONG_MAX__
206# ifdef LONG_MAX
207#  define __LONG_MAX__ LONG_MAX
208# else
209#  if defined (__alpha__) || (defined (__sparc__) && defined(__arch64__)) \
210      || defined (__sparcv9)
211#   define __LONG_MAX__ 9223372036854775807L
212#  else
213#   define __LONG_MAX__ 2147483647L
214#  endif /* __alpha__ || sparc64 */
215# endif
216#endif
217/* End of block that should be kept in sync with GCC's limits.h.  */
218
219#ifndef _POINTER_INT
220#define _POINTER_INT long
221#endif
222
223#ifdef __frv__
224#define __ATTRIBUTE_IMPURE_PTR__ __attribute__((__section__(".sdata")))
225#endif
226#undef __RAND_MAX
227#if __INT_MAX__ == 32767
228#define __RAND_MAX 32767
229#else
230#define __RAND_MAX 0x7fffffff
231#endif
232
233#if defined(__CYGWIN__)
234#include <cygwin/config.h>
235#endif
236
237#if defined(__rtems__)
238#define __FILENAME_MAX__ 255
239#define _READ_WRITE_RETURN_TYPE _ssize_t
240#define __DYNAMIC_REENT__
241#define _REENT_GLOBAL_ATEXIT
242#define _REENT_GLOBAL_STDIO_STREAMS
243#endif
244
245#ifndef __EXPORT
246#define __EXPORT
247#endif
248
249#ifndef __IMPORT
250#define __IMPORT
251#endif
252
253/* Define return type of read/write routines.  In POSIX, the return type
254   for read()/write() is "ssize_t" but legacy newlib code has been using
255   "int" for some time.  If not specified, "int" is defaulted.  */
256#ifndef _READ_WRITE_RETURN_TYPE
257#define _READ_WRITE_RETURN_TYPE int
258#endif
259/* Define `count' parameter of read/write routines.  In POSIX, the `count'
260   parameter is "size_t" but legacy newlib code has been using "int" for some
261   time.  If not specified, "int" is defaulted.  */
262#ifndef _READ_WRITE_BUFSIZE_TYPE
263#define _READ_WRITE_BUFSIZE_TYPE int
264#endif
265
266#ifndef __WCHAR_MAX__
267#if __INT_MAX__ == 32767 || defined (_WIN32)
268#define __WCHAR_MAX__ 0xffffu
269#endif
270#endif
271
272/* See if small reent asked for at configuration time and
273   is not chosen by the platform by default.  */
274#ifdef _WANT_REENT_SMALL
275#ifndef _REENT_SMALL
276#define _REENT_SMALL
277#endif
278#endif
279
280#ifdef _WANT_REENT_GLOBAL_STDIO_STREAMS
281#ifndef _REENT_GLOBAL_STDIO_STREAMS
282#define _REENT_GLOBAL_STDIO_STREAMS
283#endif
284#endif
285
286#ifdef _WANT_USE_LONG_TIME_T
287#ifndef _USE_LONG_TIME_T
288#define _USE_LONG_TIME_T
289#endif
290#endif
291
292/* If _MB_EXTENDED_CHARSETS_ALL is set, we want all of the extended
293   charsets.  The extended charsets add a few functions and a couple
294   of tables of a few K each. */
295#ifdef _MB_EXTENDED_CHARSETS_ALL
296#define _MB_EXTENDED_CHARSETS_ISO 1
297#define _MB_EXTENDED_CHARSETS_WINDOWS 1
298#endif
299
300#endif /* __SYS_CONFIG_H__ */
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