newlib/libc/include/sys/config.h

   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 #ifdef __AMDGCN__
  12 #define __DYNAMIC_REENT__
  13 #endif
  14
  15 /* exceptions first */
  16 #if defined(__H8500__) || defined(__W65__)
  17 #define __SMALL_BITFIELDS
  18 /* ???  This conditional is true for the h8500 and the w65, defining H8300
  19    in those cases probably isn't the right thing to do.  */
  20 #define H8300 1
  21 #endif
  22
  23 /* 16 bit integer machines */
  24 #if defined(__Z8001__) || defined(__Z8002__) || defined(__H8500__) || defined(__W65__) || defined (__mn10200__) || defined (__AVR__) || defined (__MSP430__)
  25
  26 #undef INT_MAX
  27 #undef UINT_MAX
  28 #define INT_MAX 32767
  29 #define UINT_MAX 65535
  30 #endif
  31
  32 #if defined (__H8300__) || defined (__H8300H__) || defined(__H8300S__) || defined (__H8300SX__)
  33 #define __SMALL_BITFIELDS
  34 #define H8300 1
  35 #undef INT_MAX
  36 #undef UINT_MAX
  37 #define INT_MAX __INT_MAX__
  38 #define UINT_MAX (__INT_MAX__ * 2U + 1)
  39 #endif
  40
  41 #if (defined(__CR16__) || defined(__CR16C__) ||defined(__CR16CP__))
  42 #ifndef __INT32__
  43 #define __SMALL_BITFIELDS
  44 #undef INT_MAX
  45 #undef UINT_MAX
  46 #define INT_MAX 32767
  47 #define UINT_MAX (__INT_MAX__ * 2U + 1)
  48 #else /* INT32 */
  49 #undef INT_MAX
  50 #undef UINT_MAX
  51 #define INT_MAX 2147483647
  52 #define UINT_MAX (__INT_MAX__ * 2U + 1)
  53 #endif /* INT32 */
  54
  55 #endif /* CR16C */
  56
  57 #if defined (__xc16x__) || defined (__xc16xL__) || defined (__xc16xS__)
  58 #define __SMALL_BITFIELDS
  59 #endif
  60
  61 #ifdef __W65__
  62 #define __SMALL_BITFIELDS
  63 #endif
  64
  65 #if defined(__D10V__)
  66 #define __SMALL_BITFIELDS
  67 #undef INT_MAX
  68 #undef UINT_MAX
  69 #define INT_MAX __INT_MAX__
  70 #define UINT_MAX (__INT_MAX__ * 2U + 1)
  71 #define _POINTER_INT short
  72 #endif
  73
  74 #if defined(__mc68hc11__) || defined(__mc68hc12__) || defined(__mc68hc1x__)
  75 #undef INT_MAX
  76 #undef UINT_MAX
  77 #define INT_MAX __INT_MAX__
  78 #define UINT_MAX (__INT_MAX__ * 2U + 1)
  79 #define _POINTER_INT short
  80 #endif
  81
  82 #if defined(__m68k__) || defined(__mc68000__) || defined(__riscv)
  83 #define _READ_WRITE_RETURN_TYPE _ssize_t
  84 #endif
  85
  86 #ifdef ___AM29K__
  87 #define _FLOAT_RET double
  88 #endif
  89
  90 #ifdef __i386__
  91 #ifndef __unix__
  92 /* in other words, go32 */
  93 #define _FLOAT_RET double
  94 #endif
  95 #if defined(__linux__) || defined(__RDOS__)
  96 /* we want the reentrancy structure to be returned by a function */
  97 #define __DYNAMIC_REENT__
  98 #define HAVE_GETDATE
  99 #define _READ_WRITE_RETURN_TYPE _ssize_t
 100 #define __LARGE64_FILES 1
 101 /* we use some glibc header files so turn on glibc large file feature */
 102 #define _LARGEFILE64_SOURCE 1
 103 #endif
 104 #endif
 105
 106 #ifdef __mn10200__
 107 #define __SMALL_BITFIELDS
 108 #endif
 109
 110 #ifdef __AVR__
 111 #define __SMALL_BITFIELDS
 112 #define _POINTER_INT short
 113 #endif
 114
 115 #if defined(__v850) && !defined(__rtems__)
 116 #define __ATTRIBUTE_IMPURE_PTR__ __attribute__((__sda__))
 117 #endif
 118
 119 /* For the PowerPC eabi, force the _impure_ptr to be in .sdata */
 120 #if defined(__PPC__)
 121 #if defined(_CALL_SYSV)
 122 #define __ATTRIBUTE_IMPURE_PTR__ __attribute__((__section__(".sdata")))
 123 #endif
 124 #ifdef __SPE__
 125 #define _LONG_DOUBLE double
 126 #endif
 127 #endif
 128
 129 /* Configure small REENT structure for Xilinx MicroBlaze platforms */
 130 #if defined (__MICROBLAZE__) && !defined(__rtems__)
 131 #ifndef _REENT_SMALL
 132 #define _REENT_SMALL
 133 #endif
 134 /* Xilinx XMK uses Unix98 mutex */
 135 #ifdef __XMK__
 136 #define _UNIX98_THREAD_MUTEX_ATTRIBUTES
 137 #endif
 138 #endif
 139
 140 #if defined(__mips__) && !defined(__rtems__)
 141 #define __ATTRIBUTE_IMPURE_PTR__ __attribute__((__section__(".sdata")))
 142 #endif
 143
 144 #ifdef __xstormy16__
 145 #define __SMALL_BITFIELDS
 146 #undef INT_MAX
 147 #undef UINT_MAX
 148 #define INT_MAX __INT_MAX__
 149 #define UINT_MAX (__INT_MAX__ * 2U + 1)
 150 #define MALLOC_ALIGNMENT 8
 151 #define _POINTER_INT short
 152 #define __BUFSIZ__ 16
 153 #define _REENT_SMALL
 154 #endif
 155
 156 #if defined __MSP430__
 157 #ifndef _REENT_SMALL
 158 #define _REENT_SMALL
 159 #endif
 160
 161 #define __BUFSIZ__ 256
 162 #define __SMALL_BITFIELDS
 163
 164 #ifdef __MSP430X_LARGE__
 165 #define _POINTER_INT __int20
 166 #else
 167 #define _POINTER_INT int
 168 #endif
 169 #endif
 170
 171 #ifdef __m32c__
 172 #define __SMALL_BITFIELDS
 173 #undef INT_MAX
 174 #undef UINT_MAX
 175 #define INT_MAX __INT_MAX__
 176 #define UINT_MAX (__INT_MAX__ * 2U + 1)
 177 #define MALLOC_ALIGNMENT 8
 178 #if defined(__r8c_cpu__) || defined(__m16c_cpu__)
 179 #define _POINTER_INT short
 180 #else
 181 #define _POINTER_INT long
 182 #endif
 183 #define __BUFSIZ__ 16
 184 #define _REENT_SMALL
 185 #endif /* __m32c__ */
 186
 187 #ifdef __SPU__
 188 #define MALLOC_ALIGNMENT 16
 189 #define __CUSTOM_FILE_IO__
 190 #endif
 191
 192 #if defined(__or1k__) || defined(__or1knd__)
 193 #define __DYNAMIC_REENT__
 194 #endif
 195
 196 /* This block should be kept in sync with GCC's limits.h.  The point
 197    of having these definitions here is to not include limits.h, which
 198    would pollute the user namespace, while still using types of the
 199    the correct widths when deciding how to define __int32_t and
 200    __int64_t.  */
 201 #ifndef __INT_MAX__
 202 # ifdef INT_MAX
 203 #  define __INT_MAX__ INT_MAX
 204 # else
 205 #  define __INT_MAX__ 2147483647
 206 # endif
 207 #endif
 208
 209 #ifndef __LONG_MAX__
 210 # ifdef LONG_MAX
 211 #  define __LONG_MAX__ LONG_MAX
 212 # else
 213 #  if defined (__alpha__) || (defined (__sparc__) && defined(__arch64__)) \
 214       || defined (__sparcv9)
 215 #   define __LONG_MAX__ 9223372036854775807L
 216 #  else
 217 #   define __LONG_MAX__ 2147483647L
 218 #  endif /* __alpha__ || sparc64 */
 219 # endif
 220 #endif
 221 /* End of block that should be kept in sync with GCC's limits.h.  */
 222
 223 #ifndef _POINTER_INT
 224 #define _POINTER_INT long
 225 #endif
 226
 227 #ifdef __frv__
 228 #define __ATTRIBUTE_IMPURE_PTR__ __attribute__((__section__(".sdata")))
 229 #endif
 230 #undef __RAND_MAX
 231 #if __INT_MAX__ == 32767
 232 #define __RAND_MAX 32767
 233 #else
 234 #define __RAND_MAX 0x7fffffff
 235 #endif
 236
 237 #if defined(__CYGWIN__)
 238 #include <cygwin/config.h>
 239 #endif
 240
 241 #if defined(__rtems__)
 242 #define __FILENAME_MAX__ 255
 243 #define _READ_WRITE_RETURN_TYPE _ssize_t
 244 #define __DYNAMIC_REENT__
 245 #endif
 246
 247 #ifndef __EXPORT
 248 #define __EXPORT
 249 #endif
 250
 251 #ifndef __IMPORT
 252 #define __IMPORT
 253 #endif
 254
 255 /* Define return type of read/write routines.  In POSIX, the return type
 256    for read()/write() is "ssize_t" but legacy newlib code has been using
 257    "int" for some time.  If not specified, "int" is defaulted.  */
 258 #ifndef _READ_WRITE_RETURN_TYPE
 259 #define _READ_WRITE_RETURN_TYPE int
 260 #endif
 261 /* Define `count' parameter of read/write routines.  In POSIX, the `count'
 262    parameter is "size_t" but legacy newlib code has been using "int" for some
 263    time.  If not specified, "int" is defaulted.  */
 264 #ifndef _READ_WRITE_BUFSIZE_TYPE
 265 #define _READ_WRITE_BUFSIZE_TYPE int
 266 #endif
 267
 268 #ifndef __WCHAR_MAX__
 269 #if __INT_MAX__ == 32767 || defined (_WIN32)
 270 #define __WCHAR_MAX__ 0xffffu
 271 #endif
 272 #endif
 273
 274 /* See if small reent asked for at configuration time and
 275    is not chosen by the platform by default.  */
 276 #ifdef _WANT_REENT_SMALL
 277 #ifndef _REENT_SMALL
 278 #define _REENT_SMALL
 279 #endif
 280 #endif
 281
 282 #ifdef _WANT_USE_LONG_TIME_T
 283 #ifndef _USE_LONG_TIME_T
 284 #define _USE_LONG_TIME_T
 285 #endif
 286 #endif
 287
 288 #ifdef _WANT_USE_GDTOA
 289 #ifndef _USE_GDTOA
 290 #define _USE_GDTOA
 291 #endif
 292 #endif
 293
 294 #ifdef _WANT_REENT_BACKWARD_BINARY_COMPAT
 295 #ifndef _REENT_BACKWARD_BINARY_COMPAT
 296 #define _REENT_BACKWARD_BINARY_COMPAT
 297 #endif
 298 #endif
 299
 300 #ifdef _WANT_REENT_THREAD_LOCAL
 301 #ifndef _REENT_THREAD_LOCAL
 302 #define _REENT_THREAD_LOCAL
 303 #endif
 304 #endif
 305
 306 /* If _MB_EXTENDED_CHARSETS_ALL is set, we want all of the extended
 307    charsets.  The extended charsets add a few functions and a couple
 308    of tables of a few K each. */
 309 #ifdef _MB_EXTENDED_CHARSETS_ALL
 310 #define _MB_EXTENDED_CHARSETS_ISO 1
 311 #define _MB_EXTENDED_CHARSETS_WINDOWS 1
 312 #endif
 313
 314 #endif /* __SYS_CONFIG_H__ */