libgfortran/libgfortran.h

   1 /* Common declarations for all of libgfortran.
   2    Copyright (C) 2002-2015 Free Software Foundation, Inc.
   3    Contributed by Paul Brook <paul@nowt.org>, and
   4    Andy Vaught <andy@xena.eas.asu.edu>
   5
   6 This file is part of the GNU Fortran runtime library (libgfortran).
   7
   8 Libgfortran is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 3, or (at your option)
  11 any later version.
  12
  13 Libgfortran is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 Under Section 7 of GPL version 3, you are granted additional
  19 permissions described in the GCC Runtime Library Exception, version
  20 3.1, as published by the Free Software Foundation.
  21
  22 You should have received a copy of the GNU General Public License and
  23 a copy of the GCC Runtime Library Exception along with this program;
  24 see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  25 <http://www.gnu.org/licenses/>.  */
  26
  27 #ifndef LIBGFOR_H
  28 #define LIBGFOR_H
  29
  30 /* Ensure that ANSI conform stdio is used. This needs to be set before
  31    any system header file is included.  */
  32 #if defined __MINGW32__
  33 #  define _POSIX 1
  34 #  define gfc_printf gnu_printf
  35 #else
  36 #  define gfc_printf __printf__
  37 #endif
  38
  39 /* config.h MUST be first because it can affect system headers.  */
  40 #include "config.h"
  41
  42 #include <stdio.h>
  43 #include <stddef.h>
  44 #include <float.h>
  45 #include <stdarg.h>
  46 #include <stdbool.h>
  47
  48 #if HAVE_COMPLEX_H
  49 /* Must appear before math.h on VMS systems.  */
  50 # include <complex.h>
  51 #else
  52 #define complex __complex__
  53 #endif
  54
  55 #include <math.h>
  56
  57 /* If we're support quad-precision floating-point type, include the
  58    header to our support library.  */
  59 #ifdef HAVE_FLOAT128
  60 #  include "quadmath_weak.h"
  61 #endif
  62
  63 #ifdef __MINGW32__
  64 extern float __strtof (const char *, char **);
  65 #define gfc_strtof __strtof
  66 extern double __strtod (const char *, char **);
  67 #define gfc_strtod __strtod
  68 extern long double __strtold (const char *, char **);
  69 #define gfc_strtold __strtold
  70 #else
  71 #define gfc_strtof strtof
  72 #define gfc_strtod strtod
  73 #define gfc_strtold strtold
  74 #endif
  75
  76 #include "../gcc/fortran/libgfortran.h"
  77
  78 #include "c99_protos.h"
  79
  80 #if HAVE_IEEEFP_H
  81 #include <ieeefp.h>
  82 #endif
  83
  84 #include "gstdint.h"
  85
  86 #if HAVE_SYS_TYPES_H
  87 #include <sys/types.h>
  88 #endif
  89
  90 #ifdef __MINGW32__
  91 typedef off64_t gfc_offset;
  92 #else
  93 typedef off_t gfc_offset;
  94 #endif
  95
  96 #ifndef NULL
  97 #define NULL (void *) 0
  98 #endif
  99
 100
 101 /* The following macros can be used to annotate conditions which are likely or
 102    unlikely to be true.  Avoid using them when a condition is only slightly
 103    more likely/less unlikely than average to avoid the performance penalties of
 104    branch misprediction. In addition, as __builtin_expect overrides the compiler
 105    heuristic, do not use in conditions where one of the branches ends with a
 106    call to a function with __attribute__((noreturn)): the compiler internal
 107    heuristic will mark this branch as much less likely as unlikely() would
 108    do.  */
 109
 110 #define likely(x)       __builtin_expect(!!(x), 1)
 111 #define unlikely(x)     __builtin_expect(!!(x), 0)
 112
 113
 114 /* Make sure we have ptrdiff_t. */
 115 #ifndef HAVE_PTRDIFF_T
 116 typedef intptr_t ptrdiff_t;
 117 #endif
 118
 119 /* On mingw, work around the buggy Windows snprintf() by using the one
 120    mingw provides, __mingw_snprintf().  We also provide a prototype for
 121    __mingw_snprintf(), because the mingw headers currently don't have one.  */
 122 #if HAVE_MINGW_SNPRINTF
 123 extern int __mingw_snprintf (char *, size_t, const char *, ...)
 124      __attribute__ ((format (gnu_printf, 3, 4)));
 125 #undef snprintf
 126 #define snprintf __mingw_snprintf
 127 /* Fallback to sprintf if target does not have snprintf.  */
 128 #elif !defined(HAVE_SNPRINTF)
 129 #undef snprintf
 130 #define snprintf(str, size, ...) sprintf (str, __VA_ARGS__)
 131 #endif
 132
 133
 134 /* For a library, a standard prefix is a requirement in order to partition
 135    the namespace.  IPREFIX is for symbols intended to be internal to the
 136    library.  */
 137 #define PREFIX(x)       _gfortran_ ## x
 138 #define IPREFIX(x)      _gfortrani_ ## x
 139
 140 /* Magic to rename a symbol at the compiler level.  You continue to refer
 141    to the symbol as OLD in the source, but it'll be named NEW in the asm.  */
 142 #define sym_rename(old, new) sym_rename1(old, __USER_LABEL_PREFIX__, new)
 143 #define sym_rename1(old, ulp, new) sym_rename2(old, ulp, new)
 144 #define sym_rename2(old, ulp, new) extern __typeof(old) old __asm__(#ulp #new)
 145
 146 /* There are several classifications of routines:
 147
 148      (1) Symbols used only within the library,
 149      (2) Symbols to be exported from the library,
 150      (3) Symbols to be exported from the library, but
 151          also used inside the library.
 152
 153    By telling the compiler about these different classifications we can
 154    tightly control the interface seen by the user, and get better code
 155    from the compiler at the same time.
 156
 157    One of the following should be used immediately after the declaration
 158    of each symbol:
 159
 160      internal_proto     Marks a symbol used only within the library,
 161                         and adds IPREFIX to the assembly-level symbol
 162                         name.  The later is important for maintaining
 163                         the namespace partition for the static library.
 164
 165      export_proto       Marks a symbol to be exported, and adds PREFIX
 166                         to the assembly-level symbol name.
 167
 168      export_proto_np    Marks a symbol to be exported without adding PREFIX.
 169
 170      iexport_proto      Marks a function to be exported, but with the
 171                         understanding that it can be used inside as well.
 172
 173      iexport_data_proto Similarly, marks a data symbol to be exported.
 174                         Unfortunately, some systems can't play the hidden
 175                         symbol renaming trick on data symbols, thanks to
 176                         the horribleness of COPY relocations.
 177
 178    If iexport_proto or iexport_data_proto is used, you must also use
 179    iexport or iexport_data after the *definition* of the symbol.  */
 180
 181 #if defined(HAVE_ATTRIBUTE_VISIBILITY)
 182 # define internal_proto(x) \
 183         sym_rename(x, IPREFIX (x)) __attribute__((__visibility__("hidden")))
 184 #else
 185 # define internal_proto(x)      sym_rename(x, IPREFIX(x))
 186 #endif
 187
 188 #if defined(HAVE_ATTRIBUTE_VISIBILITY) && defined(HAVE_ATTRIBUTE_ALIAS)
 189 # define export_proto(x)        sym_rename(x, PREFIX(x))
 190 # define export_proto_np(x)     extern char swallow_semicolon
 191 # define iexport_proto(x)       internal_proto(x)
 192 # define iexport(x)             iexport1(x, IPREFIX(x))
 193 # define iexport1(x,y)          iexport2(x,y)
 194 # define iexport2(x,y) \
 195         extern __typeof(x) PREFIX(x) __attribute__((__alias__(#y)))
 196 #else
 197 # define export_proto(x)        sym_rename(x, PREFIX(x))
 198 # define export_proto_np(x)     extern char swallow_semicolon
 199 # define iexport_proto(x)       export_proto(x)
 200 # define iexport(x)             extern char swallow_semicolon
 201 #endif
 202
 203 /* TODO: detect the case when we *can* hide the symbol.  */
 204 #define iexport_data_proto(x)   export_proto(x)
 205 #define iexport_data(x)         extern char swallow_semicolon
 206
 207 /* The only reliable way to get the offset of a field in a struct
 208    in a system independent way is via this macro.  */
 209 #ifndef offsetof
 210 #define offsetof(TYPE, MEMBER)  ((size_t) &((TYPE *) 0)->MEMBER)
 211 #endif
 212
 213 /* The C99 classification macros isfinite, isinf, isnan, isnormal
 214    and signbit are broken or inconsistent on quite a few targets.
 215    So, we use GCC's builtins instead.
 216
 217    Another advantage for GCC's builtins for these type-generic macros
 218    is that it handles floating-point types that the system headers
 219    may not support (like __float128).  */
 220
 221 #undef isnan
 222 #define isnan(x) __builtin_isnan(x)
 223 #undef isfinite
 224 #define isfinite(x) __builtin_isfinite(x)
 225 #undef isinf
 226 #define isinf(x) __builtin_isinf(x)
 227 #undef isnormal
 228 #define isnormal(x) __builtin_isnormal(x)
 229 #undef signbit
 230 #define signbit(x) __builtin_signbit(x)
 231
 232 #include "kinds.h"
 233
 234 /* Define the type used for the current record number for large file I/O.
 235    The size must be consistent with the size defined on the compiler side.  */
 236 #ifdef HAVE_GFC_INTEGER_8
 237 typedef GFC_INTEGER_8 GFC_IO_INT;
 238 #else
 239 #ifdef HAVE_GFC_INTEGER_4
 240 typedef GFC_INTEGER_4 GFC_IO_INT;
 241 #else
 242 #error "GFC_INTEGER_4 should be available for the library to compile".
 243 #endif
 244 #endif
 245
 246 /* The following two definitions must be consistent with the types used
 247    by the compiler.  */
 248 /* The type used of array indices, amongst other things.  */
 249 typedef ptrdiff_t index_type;
 250
 251 /* The type used for the lengths of character variables.  */
 252 typedef GFC_INTEGER_4 gfc_charlen_type;
 253
 254 /* Definitions of CHARACTER data types:
 255      - CHARACTER(KIND=1) corresponds to the C char type,
 256      - CHARACTER(KIND=4) corresponds to an unsigned 32-bit integer.  */
 257 typedef GFC_UINTEGER_4 gfc_char4_t;
 258
 259 /* Byte size of character kinds.  For the kinds currently supported, it's
 260    simply equal to the kind parameter itself.  */
 261 #define GFC_SIZE_OF_CHAR_KIND(kind) (kind)
 262
 263 /* This will be 0 on little-endian machines and one on big-endian machines.  */
 264 extern int big_endian;
 265 internal_proto(big_endian);
 266
 267 #define GFOR_POINTER_TO_L1(p, kind) \
 268   (big_endian * (kind - 1) + (GFC_LOGICAL_1 *)(p))
 269
 270 #define GFC_INTEGER_1_HUGE \
 271   (GFC_INTEGER_1)((((GFC_UINTEGER_1)1) << 7) - 1)
 272 #define GFC_INTEGER_2_HUGE \
 273   (GFC_INTEGER_2)((((GFC_UINTEGER_2)1) << 15) - 1)
 274 #define GFC_INTEGER_4_HUGE \
 275   (GFC_INTEGER_4)((((GFC_UINTEGER_4)1) << 31) - 1)
 276 #define GFC_INTEGER_8_HUGE \
 277   (GFC_INTEGER_8)((((GFC_UINTEGER_8)1) << 63) - 1)
 278 #ifdef HAVE_GFC_INTEGER_16
 279 #define GFC_INTEGER_16_HUGE \
 280   (GFC_INTEGER_16)((((GFC_UINTEGER_16)1) << 127) - 1)
 281 #endif
 282
 283 /* M{IN,AX}{LOC,VAL} need also infinities and NaNs if supported.  */
 284
 285 #ifdef __FLT_HAS_INFINITY__
 286 # define GFC_REAL_4_INFINITY __builtin_inff ()
 287 #endif
 288 #ifdef __DBL_HAS_INFINITY__
 289 # define GFC_REAL_8_INFINITY __builtin_inf ()
 290 #endif
 291 #ifdef __LDBL_HAS_INFINITY__
 292 # ifdef HAVE_GFC_REAL_10
 293 #  define GFC_REAL_10_INFINITY __builtin_infl ()
 294 # endif
 295 # ifdef HAVE_GFC_REAL_16
 296 #  ifdef GFC_REAL_16_IS_LONG_DOUBLE
 297 #   define GFC_REAL_16_INFINITY __builtin_infl ()
 298 #  else
 299 #   define GFC_REAL_16_INFINITY __builtin_infq ()
 300 #  endif
 301 # endif
 302 #endif
 303 #ifdef __FLT_HAS_QUIET_NAN__
 304 # define GFC_REAL_4_QUIET_NAN __builtin_nanf ("")
 305 #endif
 306 #ifdef __DBL_HAS_QUIET_NAN__
 307 # define GFC_REAL_8_QUIET_NAN __builtin_nan ("")
 308 #endif
 309 #ifdef __LDBL_HAS_QUIET_NAN__
 310 # ifdef HAVE_GFC_REAL_10
 311 #  define GFC_REAL_10_QUIET_NAN __builtin_nanl ("")
 312 # endif
 313 # ifdef HAVE_GFC_REAL_16
 314 #  ifdef GFC_REAL_16_IS_LONG_DOUBLE
 315 #   define GFC_REAL_16_QUIET_NAN __builtin_nanl ("")
 316 #  else
 317 #   define GFC_REAL_16_QUIET_NAN nanq ("")
 318 #  endif
 319 # endif
 320 #endif
 321
 322 typedef struct descriptor_dimension
 323 {
 324   index_type _stride;
 325   index_type lower_bound;
 326   index_type _ubound;
 327 }
 328
 329 descriptor_dimension;
 330
 331 #define GFC_ARRAY_DESCRIPTOR(r, type) \
 332 struct {\
 333   type *base_addr;\
 334   size_t offset;\
 335   index_type dtype;\
 336   descriptor_dimension dim[r];\
 337 }
 338
 339 /* Commonly used array descriptor types.  */
 340 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, void) gfc_array_void;
 341 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, char) gfc_array_char;
 342 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_INTEGER_1) gfc_array_i1;
 343 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_INTEGER_2) gfc_array_i2;
 344 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_INTEGER_4) gfc_array_i4;
 345 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_INTEGER_8) gfc_array_i8;
 346 #ifdef HAVE_GFC_INTEGER_16
 347 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_INTEGER_16) gfc_array_i16;
 348 #endif
 349 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_REAL_4) gfc_array_r4;
 350 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_REAL_8) gfc_array_r8;
 351 #ifdef HAVE_GFC_REAL_10
 352 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_REAL_10) gfc_array_r10;
 353 #endif
 354 #ifdef HAVE_GFC_REAL_16
 355 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_REAL_16) gfc_array_r16;
 356 #endif
 357 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_COMPLEX_4) gfc_array_c4;
 358 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_COMPLEX_8) gfc_array_c8;
 359 #ifdef HAVE_GFC_COMPLEX_10
 360 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_COMPLEX_10) gfc_array_c10;
 361 #endif
 362 #ifdef HAVE_GFC_COMPLEX_16
 363 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_COMPLEX_16) gfc_array_c16;
 364 #endif
 365 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_LOGICAL_1) gfc_array_l1;
 366 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_LOGICAL_2) gfc_array_l2;
 367 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_LOGICAL_4) gfc_array_l4;
 368 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_LOGICAL_8) gfc_array_l8;
 369 #ifdef HAVE_GFC_LOGICAL_16
 370 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_LOGICAL_16) gfc_array_l16;
 371 #endif
 372
 373
 374 #define GFC_DESCRIPTOR_RANK(desc) ((desc)->dtype & GFC_DTYPE_RANK_MASK)
 375 #define GFC_DESCRIPTOR_TYPE(desc) (((desc)->dtype & GFC_DTYPE_TYPE_MASK) \
 376                                    >> GFC_DTYPE_TYPE_SHIFT)
 377 #define GFC_DESCRIPTOR_SIZE(desc) ((desc)->dtype >> GFC_DTYPE_SIZE_SHIFT)
 378 #define GFC_DESCRIPTOR_DATA(desc) ((desc)->base_addr)
 379 #define GFC_DESCRIPTOR_DTYPE(desc) ((desc)->dtype)
 380
 381 #define GFC_DIMENSION_LBOUND(dim) ((dim).lower_bound)
 382 #define GFC_DIMENSION_UBOUND(dim) ((dim)._ubound)
 383 #define GFC_DIMENSION_STRIDE(dim) ((dim)._stride)
 384 #define GFC_DIMENSION_EXTENT(dim) ((dim)._ubound + 1 - (dim).lower_bound)
 385 #define GFC_DIMENSION_SET(dim,lb,ub,str) \
 386   do \
 387     { \
 388       (dim).lower_bound = lb;                   \
 389       (dim)._ubound = ub;                       \
 390       (dim)._stride = str;                      \
 391     } while (0)
 392
 393
 394 #define GFC_DESCRIPTOR_LBOUND(desc,i) ((desc)->dim[i].lower_bound)
 395 #define GFC_DESCRIPTOR_UBOUND(desc,i) ((desc)->dim[i]._ubound)
 396 #define GFC_DESCRIPTOR_EXTENT(desc,i) ((desc)->dim[i]._ubound + 1 \
 397                                       - (desc)->dim[i].lower_bound)
 398 #define GFC_DESCRIPTOR_EXTENT_BYTES(desc,i) \
 399   (GFC_DESCRIPTOR_EXTENT(desc,i) * GFC_DESCRIPTOR_SIZE(desc))
 400
 401 #define GFC_DESCRIPTOR_STRIDE(desc,i) ((desc)->dim[i]._stride)
 402 #define GFC_DESCRIPTOR_STRIDE_BYTES(desc,i) \
 403   (GFC_DESCRIPTOR_STRIDE(desc,i) * GFC_DESCRIPTOR_SIZE(desc))
 404
 405 /* Macros to get both the size and the type with a single masking operation  */
 406
 407 #define GFC_DTYPE_SIZE_MASK (-((index_type) 1 << GFC_DTYPE_SIZE_SHIFT))
 408 #define GFC_DTYPE_TYPE_SIZE_MASK (GFC_DTYPE_SIZE_MASK | GFC_DTYPE_TYPE_MASK)
 409
 410 #define GFC_DTYPE_TYPE_SIZE(desc) ((desc)->dtype & GFC_DTYPE_TYPE_SIZE_MASK)
 411
 412 #define GFC_DTYPE_INTEGER_1 ((BT_INTEGER << GFC_DTYPE_TYPE_SHIFT) \
 413    | (sizeof(GFC_INTEGER_1) << GFC_DTYPE_SIZE_SHIFT))
 414 #define GFC_DTYPE_INTEGER_2 ((BT_INTEGER << GFC_DTYPE_TYPE_SHIFT) \
 415    | (sizeof(GFC_INTEGER_2) << GFC_DTYPE_SIZE_SHIFT))
 416 #define GFC_DTYPE_INTEGER_4 ((BT_INTEGER << GFC_DTYPE_TYPE_SHIFT) \
 417    | (sizeof(GFC_INTEGER_4) << GFC_DTYPE_SIZE_SHIFT))
 418 #define GFC_DTYPE_INTEGER_8 ((BT_INTEGER << GFC_DTYPE_TYPE_SHIFT) \
 419    | (sizeof(GFC_INTEGER_8) << GFC_DTYPE_SIZE_SHIFT))
 420 #ifdef HAVE_GFC_INTEGER_16
 421 #define GFC_DTYPE_INTEGER_16 ((BT_INTEGER << GFC_DTYPE_TYPE_SHIFT) \
 422    | (sizeof(GFC_INTEGER_16) << GFC_DTYPE_SIZE_SHIFT))
 423 #endif
 424
 425 #define GFC_DTYPE_LOGICAL_1 ((BT_LOGICAL << GFC_DTYPE_TYPE_SHIFT) \
 426    | (sizeof(GFC_LOGICAL_1) << GFC_DTYPE_SIZE_SHIFT))
 427 #define GFC_DTYPE_LOGICAL_2 ((BT_LOGICAL << GFC_DTYPE_TYPE_SHIFT) \
 428    | (sizeof(GFC_LOGICAL_2) << GFC_DTYPE_SIZE_SHIFT))
 429 #define GFC_DTYPE_LOGICAL_4 ((BT_LOGICAL << GFC_DTYPE_TYPE_SHIFT) \
 430    | (sizeof(GFC_LOGICAL_4) << GFC_DTYPE_SIZE_SHIFT))
 431 #define GFC_DTYPE_LOGICAL_8 ((BT_LOGICAL << GFC_DTYPE_TYPE_SHIFT) \
 432    | (sizeof(GFC_LOGICAL_8) << GFC_DTYPE_SIZE_SHIFT))
 433 #ifdef HAVE_GFC_LOGICAL_16
 434 #define GFC_DTYPE_LOGICAL_16 ((BT_LOGICAL << GFC_DTYPE_TYPE_SHIFT) \
 435    | (sizeof(GFC_LOGICAL_16) << GFC_DTYPE_SIZE_SHIFT))
 436 #endif
 437
 438 #define GFC_DTYPE_REAL_4 ((BT_REAL << GFC_DTYPE_TYPE_SHIFT) \
 439    | (sizeof(GFC_REAL_4) << GFC_DTYPE_SIZE_SHIFT))
 440 #define GFC_DTYPE_REAL_8 ((BT_REAL << GFC_DTYPE_TYPE_SHIFT) \
 441    | (sizeof(GFC_REAL_8) << GFC_DTYPE_SIZE_SHIFT))
 442 #ifdef HAVE_GFC_REAL_10
 443 #define GFC_DTYPE_REAL_10  ((BT_REAL << GFC_DTYPE_TYPE_SHIFT) \
 444    | (sizeof(GFC_REAL_10) << GFC_DTYPE_SIZE_SHIFT))
 445 #endif
 446 #ifdef HAVE_GFC_REAL_16
 447 #define GFC_DTYPE_REAL_16 ((BT_REAL << GFC_DTYPE_TYPE_SHIFT) \
 448    | (sizeof(GFC_REAL_16) << GFC_DTYPE_SIZE_SHIFT))
 449 #endif
 450
 451 #define GFC_DTYPE_COMPLEX_4 ((BT_COMPLEX << GFC_DTYPE_TYPE_SHIFT) \
 452    | (sizeof(GFC_COMPLEX_4) << GFC_DTYPE_SIZE_SHIFT))
 453 #define GFC_DTYPE_COMPLEX_8 ((BT_COMPLEX << GFC_DTYPE_TYPE_SHIFT) \
 454    | (sizeof(GFC_COMPLEX_8) << GFC_DTYPE_SIZE_SHIFT))
 455 #ifdef HAVE_GFC_COMPLEX_10
 456 #define GFC_DTYPE_COMPLEX_10 ((BT_COMPLEX << GFC_DTYPE_TYPE_SHIFT) \
 457    | (sizeof(GFC_COMPLEX_10) << GFC_DTYPE_SIZE_SHIFT))
 458 #endif
 459 #ifdef HAVE_GFC_COMPLEX_16
 460 #define GFC_DTYPE_COMPLEX_16 ((BT_COMPLEX << GFC_DTYPE_TYPE_SHIFT) \
 461    | (sizeof(GFC_COMPLEX_16) << GFC_DTYPE_SIZE_SHIFT))
 462 #endif
 463
 464 #define GFC_DTYPE_DERIVED_1 ((BT_DERIVED << GFC_DTYPE_TYPE_SHIFT) \
 465    | (sizeof(GFC_INTEGER_1) << GFC_DTYPE_SIZE_SHIFT))
 466 #define GFC_DTYPE_DERIVED_2 ((BT_DERIVED << GFC_DTYPE_TYPE_SHIFT) \
 467    | (sizeof(GFC_INTEGER_2) << GFC_DTYPE_SIZE_SHIFT))
 468 #define GFC_DTYPE_DERIVED_4 ((BT_DERIVED << GFC_DTYPE_TYPE_SHIFT) \
 469    | (sizeof(GFC_INTEGER_4) << GFC_DTYPE_SIZE_SHIFT))
 470 #define GFC_DTYPE_DERIVED_8 ((BT_DERIVED << GFC_DTYPE_TYPE_SHIFT) \
 471    | (sizeof(GFC_INTEGER_8) << GFC_DTYPE_SIZE_SHIFT))
 472 #ifdef HAVE_GFC_INTEGER_16
 473 #define GFC_DTYPE_DERIVED_16 ((BT_DERIVED << GFC_DTYPE_TYPE_SHIFT) \
 474    | (sizeof(GFC_INTEGER_16) << GFC_DTYPE_SIZE_SHIFT))
 475 #endif
 476
 477 /* Macros to determine the alignment of pointers.  */
 478
 479 #define GFC_UNALIGNED_2(x) (((uintptr_t)(x)) & \
 480                             (__alignof__(GFC_INTEGER_2) - 1))
 481 #define GFC_UNALIGNED_4(x) (((uintptr_t)(x)) & \
 482                             (__alignof__(GFC_INTEGER_4) - 1))
 483 #define GFC_UNALIGNED_8(x) (((uintptr_t)(x)) & \
 484                             (__alignof__(GFC_INTEGER_8) - 1))
 485 #ifdef HAVE_GFC_INTEGER_16
 486 #define GFC_UNALIGNED_16(x) (((uintptr_t)(x)) & \
 487                              (__alignof__(GFC_INTEGER_16) - 1))
 488 #endif
 489
 490 #define GFC_UNALIGNED_C4(x) (((uintptr_t)(x)) & \
 491                              (__alignof__(GFC_COMPLEX_4) - 1))
 492
 493 #define GFC_UNALIGNED_C8(x) (((uintptr_t)(x)) & \
 494                              (__alignof__(GFC_COMPLEX_8) - 1))
 495
 496 /* Runtime library include.  */
 497 #define stringize(x) expand_macro(x)
 498 #define expand_macro(x) # x
 499
 500 /* Runtime options structure.  */
 501
 502 typedef struct
 503 {
 504   int stdin_unit, stdout_unit, stderr_unit, optional_plus;
 505   int locus;
 506
 507   int separator_len;
 508   const char *separator;
 509
 510   int all_unbuffered, unbuffered_preconnected, default_recl;
 511   int fpe, backtrace;
 512 }
 513 options_t;
 514
 515 extern options_t options;
 516 internal_proto(options);
 517
 518 extern void backtrace_handler (int);
 519 internal_proto(backtrace_handler);
 520
 521
 522 /* Compile-time options that will influence the library.  */
 523
 524 typedef struct
 525 {
 526   int warn_std;
 527   int allow_std;
 528   int pedantic;
 529   int convert;
 530   int backtrace;
 531   int sign_zero;
 532   size_t record_marker;
 533   int max_subrecord_length;
 534   int bounds_check;
 535   int fpe_summary;
 536 }
 537 compile_options_t;
 538
 539 extern compile_options_t compile_options;
 540 internal_proto(compile_options);
 541
 542 extern void init_compile_options (void);
 543 internal_proto(init_compile_options);
 544
 545 #define GFC_MAX_SUBRECORD_LENGTH 2147483639   /* 2**31 - 9 */
 546
 547 /* Structure for statement options.  */
 548
 549 typedef struct
 550 {
 551   const char *name;
 552   int value;
 553 }
 554 st_option;
 555
 556
 557 /* This is returned by notification_std to know if, given the flags
 558    that were given (-std=, -pedantic) we should issue an error, a warning
 559    or nothing.  */
 560 typedef enum
 561 { NOTIFICATION_SILENT, NOTIFICATION_WARNING, NOTIFICATION_ERROR }
 562 notification;
 563
 564
 565 /* The filename and line number don't go inside the globals structure.
 566    They are set by the rest of the program and must be linked to.  */
 567
 568 /* Location of the current library call (optional).  */
 569 extern unsigned line;
 570 iexport_data_proto(line);
 571
 572 extern char *filename;
 573 iexport_data_proto(filename);
 574
 575
 576 /* The default value of record length for preconnected units is defined
 577    here. This value can be overriden by an environment variable.
 578    Default value is 1 Gb.  */
 579 #define DEFAULT_RECL 1073741824
 580
 581
 582 #define CHARACTER2(name) \
 583               gfc_charlen_type name ## _len; \
 584               char * name
 585
 586 typedef struct st_parameter_common
 587 {
 588   GFC_INTEGER_4 flags;
 589   GFC_INTEGER_4 unit;
 590   const char *filename;
 591   GFC_INTEGER_4 line;
 592   CHARACTER2 (iomsg);
 593   GFC_INTEGER_4 *iostat;
 594 }
 595 st_parameter_common;
 596
 597 #undef CHARACTER2
 598
 599 #define IOPARM_LIBRETURN_MASK           (3 << 0)
 600 #define IOPARM_LIBRETURN_OK             (0 << 0)
 601 #define IOPARM_LIBRETURN_ERROR          (1 << 0)
 602 #define IOPARM_LIBRETURN_END            (2 << 0)
 603 #define IOPARM_LIBRETURN_EOR            (3 << 0)
 604 #define IOPARM_ERR                      (1 << 2)
 605 #define IOPARM_END                      (1 << 3)
 606 #define IOPARM_EOR                      (1 << 4)
 607 #define IOPARM_HAS_IOSTAT               (1 << 5)
 608 #define IOPARM_HAS_IOMSG                (1 << 6)
 609
 610 #define IOPARM_COMMON_MASK              ((1 << 7) - 1)
 611
 612 #define IOPARM_OPEN_HAS_RECL_IN         (1 << 7)
 613 #define IOPARM_OPEN_HAS_FILE            (1 << 8)
 614 #define IOPARM_OPEN_HAS_STATUS          (1 << 9)
 615 #define IOPARM_OPEN_HAS_ACCESS          (1 << 10)
 616 #define IOPARM_OPEN_HAS_FORM            (1 << 11)
 617 #define IOPARM_OPEN_HAS_BLANK           (1 << 12)
 618 #define IOPARM_OPEN_HAS_POSITION        (1 << 13)
 619 #define IOPARM_OPEN_HAS_ACTION          (1 << 14)
 620 #define IOPARM_OPEN_HAS_DELIM           (1 << 15)
 621 #define IOPARM_OPEN_HAS_PAD             (1 << 16)
 622 #define IOPARM_OPEN_HAS_CONVERT         (1 << 17)
 623 #define IOPARM_OPEN_HAS_DECIMAL         (1 << 18)
 624 #define IOPARM_OPEN_HAS_ENCODING        (1 << 19)
 625 #define IOPARM_OPEN_HAS_ROUND           (1 << 20)
 626 #define IOPARM_OPEN_HAS_SIGN            (1 << 21)
 627 #define IOPARM_OPEN_HAS_ASYNCHRONOUS    (1 << 22)
 628 #define IOPARM_OPEN_HAS_NEWUNIT         (1 << 23)
 629
 630 /* library start function and end macro.  These can be expanded if needed
 631    in the future.  cmp is st_parameter_common *cmp  */
 632
 633 extern void library_start (st_parameter_common *);
 634 internal_proto(library_start);
 635
 636 #define library_end()
 637
 638 /* main.c */
 639
 640 extern void stupid_function_name_for_static_linking (void);
 641 internal_proto(stupid_function_name_for_static_linking);
 642
 643 extern void set_args (int, char **);
 644 iexport_proto(set_args);
 645
 646 extern void get_args (int *, char ***);
 647 internal_proto(get_args);
 648
 649 extern void store_exe_path (const char *);
 650 export_proto(store_exe_path);
 651
 652 extern char * full_exe_path (void);
 653 internal_proto(full_exe_path);
 654
 655 extern void find_addr2line (void);
 656 internal_proto(find_addr2line);
 657
 658 /* backtrace.c */
 659
 660 extern void backtrace (void);
 661 iexport_proto(backtrace);
 662
 663 /* error.c */
 664
 665 #if defined(HAVE_GFC_REAL_16)
 666 #define GFC_LARGEST_BUF (sizeof (GFC_REAL_16))
 667 #elif defined(HAVE_GFC_INTEGER_16)
 668 #define GFC_LARGEST_BUF (sizeof (GFC_INTEGER_LARGEST))
 669 #elif defined(HAVE_GFC_REAL_10)
 670 #define GFC_LARGEST_BUF (sizeof (GFC_REAL_10))
 671 #else
 672 #define GFC_LARGEST_BUF (sizeof (GFC_INTEGER_LARGEST))
 673 #endif
 674
 675 #define GFC_ITOA_BUF_SIZE (sizeof (GFC_INTEGER_LARGEST) * 3 + 2)
 676 #define GFC_XTOA_BUF_SIZE (GFC_LARGEST_BUF * 2 + 1)
 677 #define GFC_OTOA_BUF_SIZE (GFC_LARGEST_BUF * 3 + 1)
 678 #define GFC_BTOA_BUF_SIZE (GFC_LARGEST_BUF * 8 + 1)
 679
 680 extern _Noreturn void sys_abort (void);
 681 internal_proto(sys_abort);
 682
 683 extern ssize_t estr_write (const char *);
 684 internal_proto(estr_write);
 685
 686 extern int st_vprintf (const char *, va_list);
 687 internal_proto(st_vprintf);
 688
 689 extern int st_printf (const char *, ...)
 690   __attribute__((format (gfc_printf, 1, 2)));
 691 internal_proto(st_printf);
 692
 693 extern const char *gfc_xtoa (GFC_UINTEGER_LARGEST, char *, size_t);
 694 internal_proto(gfc_xtoa);
 695
 696 extern _Noreturn void os_error (const char *);
 697 iexport_proto(os_error);
 698
 699 extern void show_locus (st_parameter_common *);
 700 internal_proto(show_locus);
 701
 702 extern _Noreturn void runtime_error (const char *, ...)
 703      __attribute__ ((format (gfc_printf, 1, 2)));
 704 iexport_proto(runtime_error);
 705
 706 extern _Noreturn void runtime_error_at (const char *, const char *, ...)
 707      __attribute__ ((format (gfc_printf, 2, 3)));
 708 iexport_proto(runtime_error_at);
 709
 710 extern void runtime_warning_at (const char *, const char *, ...)
 711      __attribute__ ((format (gfc_printf, 2, 3)));
 712 iexport_proto(runtime_warning_at);
 713
 714 extern _Noreturn void internal_error (st_parameter_common *, const char *);
 715 internal_proto(internal_error);
 716
 717 extern const char *translate_error (int);
 718 internal_proto(translate_error);
 719
 720 extern void generate_error (st_parameter_common *, int, const char *);
 721 iexport_proto(generate_error);
 722
 723 extern void generate_warning (st_parameter_common *, const char *);
 724 internal_proto(generate_warning);
 725
 726 extern bool notify_std (st_parameter_common *, int, const char *);
 727 internal_proto(notify_std);
 728
 729 extern notification notification_std(int);
 730 internal_proto(notification_std);
 731
 732 extern char *gf_strerror (int, char *, size_t);
 733 internal_proto(gf_strerror);
 734
 735 /* fpu.c */
 736
 737 extern void set_fpu (void);
 738 internal_proto(set_fpu);
 739
 740 extern int get_fpu_trap_exceptions (void);
 741 internal_proto(get_fpu_trap_exceptions);
 742
 743 extern void set_fpu_trap_exceptions (int, int);
 744 internal_proto(set_fpu_trap_exceptions);
 745
 746 extern int support_fpu_trap (int);
 747 internal_proto(support_fpu_trap);
 748
 749 extern int get_fpu_except_flags (void);
 750 internal_proto(get_fpu_except_flags);
 751
 752 extern void set_fpu_except_flags (int, int);
 753 internal_proto(set_fpu_except_flags);
 754
 755 extern int support_fpu_flag (int);
 756 internal_proto(support_fpu_flag);
 757
 758 extern void set_fpu_rounding_mode (int);
 759 internal_proto(set_fpu_rounding_mode);
 760
 761 extern int get_fpu_rounding_mode (void);
 762 internal_proto(get_fpu_rounding_mode);
 763
 764 extern int support_fpu_rounding_mode (int);
 765 internal_proto(support_fpu_rounding_mode);
 766
 767 extern void get_fpu_state (void *);
 768 internal_proto(get_fpu_state);
 769
 770 extern void set_fpu_state (void *);
 771 internal_proto(set_fpu_state);
 772
 773 extern int get_fpu_underflow_mode (void);
 774 internal_proto(get_fpu_underflow_mode);
 775
 776 extern void set_fpu_underflow_mode (int);
 777 internal_proto(set_fpu_underflow_mode);
 778
 779 extern int support_fpu_underflow_control (int);
 780 internal_proto(support_fpu_underflow_control);
 781
 782 /* memory.c */
 783
 784 extern void *xmalloc (size_t) __attribute__ ((malloc));
 785 internal_proto(xmalloc);
 786
 787 extern void *xmallocarray (size_t, size_t) __attribute__ ((malloc));
 788 internal_proto(xmallocarray);
 789
 790 extern void *xcalloc (size_t, size_t) __attribute__ ((malloc));
 791 internal_proto(xcalloc);
 792
 793 extern void *xrealloc (void *, size_t);
 794 internal_proto(xrealloc);
 795
 796 /* environ.c */
 797
 798 extern int check_buffered (int);
 799 internal_proto(check_buffered);
 800
 801 extern void init_variables (void);
 802 internal_proto(init_variables);
 803
 804 extern void show_variables (void);
 805 internal_proto(show_variables);
 806
 807 unit_convert get_unformatted_convert (int);
 808 internal_proto(get_unformatted_convert);
 809
 810 /* Secure getenv() which returns NULL if running as SUID/SGID.  */
 811 #ifndef HAVE_SECURE_GETENV
 812 #ifdef HAVE___SECURE_GETENV
 813 #define secure_getenv __secure_getenv
 814 #elif defined(HAVE_GETUID) && defined(HAVE_GETEUID) \
 815   && defined(HAVE_GETGID) && defined(HAVE_GETEGID)
 816 #define FALLBACK_SECURE_GETENV
 817 extern char *secure_getenv (const char *);
 818 internal_proto(secure_getenv);
 819 #else
 820 #define secure_getenv getenv
 821 #endif
 822 #endif
 823
 824 /* string.c */
 825
 826 extern int find_option (st_parameter_common *, const char *, gfc_charlen_type,
 827                         const st_option *, const char *);
 828 internal_proto(find_option);
 829
 830 extern gfc_charlen_type fstrlen (const char *, gfc_charlen_type);
 831 internal_proto(fstrlen);
 832
 833 extern gfc_charlen_type fstrcpy (char *, gfc_charlen_type, const char *, gfc_charlen_type);
 834 internal_proto(fstrcpy);
 835
 836 extern gfc_charlen_type cf_strcpy (char *, gfc_charlen_type, const char *);
 837 internal_proto(cf_strcpy);
 838
 839 extern gfc_charlen_type string_len_trim (gfc_charlen_type, const char *);
 840 export_proto(string_len_trim);
 841
 842 extern gfc_charlen_type string_len_trim_char4 (gfc_charlen_type,
 843                                                const gfc_char4_t *);
 844 export_proto(string_len_trim_char4);
 845
 846 extern char *fc_strdup(const char *, gfc_charlen_type);
 847 internal_proto(fc_strdup);
 848
 849 extern char *fc_strdup_notrim(const char *, gfc_charlen_type);
 850 internal_proto(fc_strdup_notrim);
 851
 852 /* io/intrinsics.c */
 853
 854 extern void flush_all_units (void);
 855 internal_proto(flush_all_units);
 856
 857 /* io.c */
 858
 859 extern void init_units (void);
 860 internal_proto(init_units);
 861
 862 extern void close_units (void);
 863 internal_proto(close_units);
 864
 865 extern int unit_to_fd (int);
 866 internal_proto(unit_to_fd);
 867
 868 extern char * filename_from_unit (int);
 869 internal_proto(filename_from_unit);
 870
 871 /* stop.c */
 872
 873 extern _Noreturn void stop_string (const char *, GFC_INTEGER_4);
 874 export_proto(stop_string);
 875
 876 /* reshape_packed.c */
 877
 878 extern void reshape_packed (char *, index_type, const char *, index_type,
 879                             const char *, index_type);
 880 internal_proto(reshape_packed);
 881
 882 /* Repacking functions.  These are called internally by internal_pack
 883    and internal_unpack.  */
 884
 885 GFC_INTEGER_1 *internal_pack_1 (gfc_array_i1 *);
 886 internal_proto(internal_pack_1);
 887
 888 GFC_INTEGER_2 *internal_pack_2 (gfc_array_i2 *);
 889 internal_proto(internal_pack_2);
 890
 891 GFC_INTEGER_4 *internal_pack_4 (gfc_array_i4 *);
 892 internal_proto(internal_pack_4);
 893
 894 GFC_INTEGER_8 *internal_pack_8 (gfc_array_i8 *);
 895 internal_proto(internal_pack_8);
 896
 897 #if defined HAVE_GFC_INTEGER_16
 898 GFC_INTEGER_16 *internal_pack_16 (gfc_array_i16 *);
 899 internal_proto(internal_pack_16);
 900 #endif
 901
 902 GFC_REAL_4 *internal_pack_r4 (gfc_array_r4 *);
 903 internal_proto(internal_pack_r4);
 904
 905 GFC_REAL_8 *internal_pack_r8 (gfc_array_r8 *);
 906 internal_proto(internal_pack_r8);
 907
 908 #if defined HAVE_GFC_REAL_10
 909 GFC_REAL_10 *internal_pack_r10 (gfc_array_r10 *);
 910 internal_proto(internal_pack_r10);
 911 #endif
 912
 913 #if defined HAVE_GFC_REAL_16
 914 GFC_REAL_16 *internal_pack_r16 (gfc_array_r16 *);
 915 internal_proto(internal_pack_r16);
 916 #endif
 917
 918 GFC_COMPLEX_4 *internal_pack_c4 (gfc_array_c4 *);
 919 internal_proto(internal_pack_c4);
 920
 921 GFC_COMPLEX_8 *internal_pack_c8 (gfc_array_c8 *);
 922 internal_proto(internal_pack_c8);
 923
 924 #if defined HAVE_GFC_COMPLEX_10
 925 GFC_COMPLEX_10 *internal_pack_c10 (gfc_array_c10 *);
 926 internal_proto(internal_pack_c10);
 927 #endif
 928
 929 #if defined HAVE_GFC_COMPLEX_16
 930 GFC_COMPLEX_16 *internal_pack_c16 (gfc_array_c16 *);
 931 internal_proto(internal_pack_c16);
 932 #endif
 933
 934 extern void internal_unpack_1 (gfc_array_i1 *, const GFC_INTEGER_1 *);
 935 internal_proto(internal_unpack_1);
 936
 937 extern void internal_unpack_2 (gfc_array_i2 *, const GFC_INTEGER_2 *);
 938 internal_proto(internal_unpack_2);
 939
 940 extern void internal_unpack_4 (gfc_array_i4 *, const GFC_INTEGER_4 *);
 941 internal_proto(internal_unpack_4);
 942
 943 extern void internal_unpack_8 (gfc_array_i8 *, const GFC_INTEGER_8 *);
 944 internal_proto(internal_unpack_8);
 945
 946 #if defined HAVE_GFC_INTEGER_16
 947 extern void internal_unpack_16 (gfc_array_i16 *, const GFC_INTEGER_16 *);
 948 internal_proto(internal_unpack_16);
 949 #endif
 950
 951 extern void internal_unpack_r4 (gfc_array_r4 *, const GFC_REAL_4 *);
 952 internal_proto(internal_unpack_r4);
 953
 954 extern void internal_unpack_r8 (gfc_array_r8 *, const GFC_REAL_8 *);
 955 internal_proto(internal_unpack_r8);
 956
 957 #if defined HAVE_GFC_REAL_10
 958 extern void internal_unpack_r10 (gfc_array_r10 *, const GFC_REAL_10 *);
 959 internal_proto(internal_unpack_r10);
 960 #endif
 961
 962 #if defined HAVE_GFC_REAL_16
 963 extern void internal_unpack_r16 (gfc_array_r16 *, const GFC_REAL_16 *);
 964 internal_proto(internal_unpack_r16);
 965 #endif
 966
 967 extern void internal_unpack_c4 (gfc_array_c4 *, const GFC_COMPLEX_4 *);
 968 internal_proto(internal_unpack_c4);
 969
 970 extern void internal_unpack_c8 (gfc_array_c8 *, const GFC_COMPLEX_8 *);
 971 internal_proto(internal_unpack_c8);
 972
 973 #if defined HAVE_GFC_COMPLEX_10
 974 extern void internal_unpack_c10 (gfc_array_c10 *, const GFC_COMPLEX_10 *);
 975 internal_proto(internal_unpack_c10);
 976 #endif
 977
 978 #if defined HAVE_GFC_COMPLEX_16
 979 extern void internal_unpack_c16 (gfc_array_c16 *, const GFC_COMPLEX_16 *);
 980 internal_proto(internal_unpack_c16);
 981 #endif
 982
 983 /* Internal auxiliary functions for the pack intrinsic.  */
 984
 985 extern void pack_i1 (gfc_array_i1 *, const gfc_array_i1 *,
 986                      const gfc_array_l1 *, const gfc_array_i1 *);
 987 internal_proto(pack_i1);
 988
 989 extern void pack_i2 (gfc_array_i2 *, const gfc_array_i2 *,
 990                      const gfc_array_l1 *, const gfc_array_i2 *);
 991 internal_proto(pack_i2);
 992
 993 extern void pack_i4 (gfc_array_i4 *, const gfc_array_i4 *,
 994                      const gfc_array_l1 *, const gfc_array_i4 *);
 995 internal_proto(pack_i4);
 996
 997 extern void pack_i8 (gfc_array_i8 *, const gfc_array_i8 *,
 998                      const gfc_array_l1 *, const gfc_array_i8 *);
 999 internal_proto(pack_i8);
1000
1001 #ifdef HAVE_GFC_INTEGER_16
1002 extern void pack_i16 (gfc_array_i16 *, const gfc_array_i16 *,
1003                      const gfc_array_l1 *, const gfc_array_i16 *);
1004 internal_proto(pack_i16);
1005 #endif
1006
1007 extern void pack_r4 (gfc_array_r4 *, const gfc_array_r4 *,
1008                      const gfc_array_l1 *, const gfc_array_r4 *);
1009 internal_proto(pack_r4);
1010
1011 extern void pack_r8 (gfc_array_r8 *, const gfc_array_r8 *,
1012                      const gfc_array_l1 *, const gfc_array_r8 *);
1013 internal_proto(pack_r8);
1014
1015 #ifdef HAVE_GFC_REAL_10
1016 extern void pack_r10 (gfc_array_r10 *, const gfc_array_r10 *,
1017                      const gfc_array_l1 *, const gfc_array_r10 *);
1018 internal_proto(pack_r10);
1019 #endif
1020
1021 #ifdef HAVE_GFC_REAL_16
1022 extern void pack_r16 (gfc_array_r16 *, const gfc_array_r16 *,
1023                      const gfc_array_l1 *, const gfc_array_r16 *);
1024 internal_proto(pack_r16);
1025 #endif
1026
1027 extern void pack_c4 (gfc_array_c4 *, const gfc_array_c4 *,
1028                      const gfc_array_l1 *, const gfc_array_c4 *);
1029 internal_proto(pack_c4);
1030
1031 extern void pack_c8 (gfc_array_c8 *, const gfc_array_c8 *,
1032                      const gfc_array_l1 *, const gfc_array_c8 *);
1033 internal_proto(pack_c8);
1034
1035 #ifdef HAVE_GFC_REAL_10
1036 extern void pack_c10 (gfc_array_c10 *, const gfc_array_c10 *,
1037                      const gfc_array_l1 *, const gfc_array_c10 *);
1038 internal_proto(pack_c10);
1039 #endif
1040
1041 #ifdef HAVE_GFC_REAL_16
1042 extern void pack_c16 (gfc_array_c16 *, const gfc_array_c16 *,
1043                      const gfc_array_l1 *, const gfc_array_c16 *);
1044 internal_proto(pack_c16);
1045 #endif
1046
1047 /* Internal auxiliary functions for the unpack intrinsic.  */
1048
1049 extern void unpack0_i1 (gfc_array_i1 *, const gfc_array_i1 *,
1050                         const gfc_array_l1 *, const GFC_INTEGER_1 *);
1051 internal_proto(unpack0_i1);
1052
1053 extern void unpack0_i2 (gfc_array_i2 *, const gfc_array_i2 *,
1054                         const gfc_array_l1 *, const GFC_INTEGER_2 *);
1055 internal_proto(unpack0_i2);
1056
1057 extern void unpack0_i4 (gfc_array_i4 *, const gfc_array_i4 *,
1058                         const gfc_array_l1 *, const GFC_INTEGER_4 *);
1059 internal_proto(unpack0_i4);
1060
1061 extern void unpack0_i8 (gfc_array_i8 *, const gfc_array_i8 *,
1062                         const gfc_array_l1 *, const GFC_INTEGER_8 *);
1063 internal_proto(unpack0_i8);
1064
1065 #ifdef HAVE_GFC_INTEGER_16
1066
1067 extern void unpack0_i16 (gfc_array_i16 *, const gfc_array_i16 *,
1068                          const gfc_array_l1 *, const GFC_INTEGER_16 *);
1069 internal_proto(unpack0_i16);
1070
1071 #endif
1072
1073 extern void unpack0_r4 (gfc_array_r4 *, const gfc_array_r4 *,
1074                         const gfc_array_l1 *, const GFC_REAL_4 *);
1075 internal_proto(unpack0_r4);
1076
1077 extern void unpack0_r8 (gfc_array_r8 *, const gfc_array_r8 *,
1078                         const gfc_array_l1 *, const GFC_REAL_8 *);
1079 internal_proto(unpack0_r8);
1080
1081 #ifdef HAVE_GFC_REAL_10
1082
1083 extern void unpack0_r10 (gfc_array_r10 *, const gfc_array_r10 *,
1084                          const gfc_array_l1 *, const GFC_REAL_10 *);
1085 internal_proto(unpack0_r10);
1086
1087 #endif
1088
1089 #ifdef HAVE_GFC_REAL_16
1090
1091 extern void unpack0_r16 (gfc_array_r16 *, const gfc_array_r16 *,
1092                          const gfc_array_l1 *, const GFC_REAL_16 *);
1093 internal_proto(unpack0_r16);
1094
1095 #endif
1096
1097 extern void unpack0_c4 (gfc_array_c4 *, const gfc_array_c4 *,
1098                         const gfc_array_l1 *, const GFC_COMPLEX_4 *);
1099 internal_proto(unpack0_c4);
1100
1101 extern void unpack0_c8 (gfc_array_c8 *, const gfc_array_c8 *,
1102                         const gfc_array_l1 *, const GFC_COMPLEX_8 *);
1103 internal_proto(unpack0_c8);
1104
1105 #ifdef HAVE_GFC_COMPLEX_10
1106
1107 extern void unpack0_c10 (gfc_array_c10 *, const gfc_array_c10 *,
1108                          const gfc_array_l1 *mask, const GFC_COMPLEX_10 *);
1109 internal_proto(unpack0_c10);
1110
1111 #endif
1112
1113 #ifdef HAVE_GFC_COMPLEX_16
1114
1115 extern void unpack0_c16 (gfc_array_c16 *, const gfc_array_c16 *,
1116                          const gfc_array_l1 *, const GFC_COMPLEX_16 *);
1117 internal_proto(unpack0_c16);
1118
1119 #endif
1120
1121 extern void unpack1_i1 (gfc_array_i1 *, const gfc_array_i1 *,
1122                         const gfc_array_l1 *, const gfc_array_i1 *);
1123 internal_proto(unpack1_i1);
1124
1125 extern void unpack1_i2 (gfc_array_i2 *, const gfc_array_i2 *,
1126                         const gfc_array_l1 *, const gfc_array_i2 *);
1127 internal_proto(unpack1_i2);
1128
1129 extern void unpack1_i4 (gfc_array_i4 *, const gfc_array_i4 *,
1130                         const gfc_array_l1 *, const gfc_array_i4 *);
1131 internal_proto(unpack1_i4);
1132
1133 extern void unpack1_i8 (gfc_array_i8 *, const gfc_array_i8 *,
1134                         const gfc_array_l1 *, const gfc_array_i8 *);
1135 internal_proto(unpack1_i8);
1136
1137 #ifdef HAVE_GFC_INTEGER_16
1138 extern void unpack1_i16 (gfc_array_i16 *, const gfc_array_i16 *,
1139                          const gfc_array_l1 *, const gfc_array_i16 *);
1140 internal_proto(unpack1_i16);
1141 #endif
1142
1143 extern void unpack1_r4 (gfc_array_r4 *, const gfc_array_r4 *,
1144                         const gfc_array_l1 *, const gfc_array_r4 *);
1145 internal_proto(unpack1_r4);
1146
1147 extern void unpack1_r8 (gfc_array_r8 *, const gfc_array_r8 *,
1148                         const gfc_array_l1 *, const gfc_array_r8 *);
1149 internal_proto(unpack1_r8);
1150
1151 #ifdef HAVE_GFC_REAL_10
1152 extern void unpack1_r10 (gfc_array_r10 *, const gfc_array_r10 *,
1153                          const gfc_array_l1 *, const gfc_array_r10 *);
1154 internal_proto(unpack1_r10);
1155 #endif
1156
1157 #ifdef HAVE_GFC_REAL_16
1158 extern void unpack1_r16 (gfc_array_r16 *, const gfc_array_r16 *,
1159                          const gfc_array_l1 *, const gfc_array_r16 *);
1160 internal_proto(unpack1_r16);
1161 #endif
1162
1163 extern void unpack1_c4 (gfc_array_c4 *, const gfc_array_c4 *,
1164                         const gfc_array_l1 *, const gfc_array_c4 *);
1165 internal_proto(unpack1_c4);
1166
1167 extern void unpack1_c8 (gfc_array_c8 *, const gfc_array_c8 *,
1168                         const gfc_array_l1 *, const gfc_array_c8 *);
1169 internal_proto(unpack1_c8);
1170
1171 #ifdef HAVE_GFC_COMPLEX_10
1172 extern void unpack1_c10 (gfc_array_c10 *, const gfc_array_c10 *,
1173                          const gfc_array_l1 *, const gfc_array_c10 *);
1174 internal_proto(unpack1_c10);
1175 #endif
1176
1177 #ifdef HAVE_GFC_COMPLEX_16
1178 extern void unpack1_c16 (gfc_array_c16 *, const gfc_array_c16 *,
1179                          const gfc_array_l1 *, const gfc_array_c16 *);
1180 internal_proto(unpack1_c16);
1181 #endif
1182
1183 /* Helper functions for spread.  */
1184
1185 extern void spread_i1 (gfc_array_i1 *, const gfc_array_i1 *,
1186                        const index_type, const index_type);
1187 internal_proto(spread_i1);
1188
1189 extern void spread_i2 (gfc_array_i2 *, const gfc_array_i2 *,
1190                        const index_type, const index_type);
1191 internal_proto(spread_i2);
1192
1193 extern void spread_i4 (gfc_array_i4 *, const gfc_array_i4 *,
1194                        const index_type, const index_type);
1195 internal_proto(spread_i4);
1196
1197 extern void spread_i8 (gfc_array_i8 *, const gfc_array_i8 *,
1198                        const index_type, const index_type);
1199 internal_proto(spread_i8);
1200
1201 #ifdef HAVE_GFC_INTEGER_16
1202 extern void spread_i16 (gfc_array_i16 *, const gfc_array_i16 *,
1203                        const index_type, const index_type);
1204 internal_proto(spread_i16);
1205
1206 #endif
1207
1208 extern void spread_r4 (gfc_array_r4 *, const gfc_array_r4 *,
1209                        const index_type, const index_type);
1210 internal_proto(spread_r4);
1211
1212 extern void spread_r8 (gfc_array_r8 *, const gfc_array_r8 *,
1213                        const index_type, const index_type);
1214 internal_proto(spread_r8);
1215
1216 #ifdef HAVE_GFC_REAL_10
1217 extern void spread_r10 (gfc_array_r10 *, const gfc_array_r10 *,
1218                        const index_type, const index_type);
1219 internal_proto(spread_r10);
1220
1221 #endif
1222
1223 #ifdef HAVE_GFC_REAL_16
1224 extern void spread_r16 (gfc_array_r16 *, const gfc_array_r16 *,
1225                        const index_type, const index_type);
1226 internal_proto(spread_r16);
1227
1228 #endif
1229
1230 extern void spread_c4 (gfc_array_c4 *, const gfc_array_c4 *,
1231                        const index_type, const index_type);
1232 internal_proto(spread_c4);
1233
1234 extern void spread_c8 (gfc_array_c8 *, const gfc_array_c8 *,
1235                        const index_type, const index_type);
1236 internal_proto(spread_c8);
1237
1238 #ifdef HAVE_GFC_COMPLEX_10
1239 extern void spread_c10 (gfc_array_c10 *, const gfc_array_c10 *,
1240                        const index_type, const index_type);
1241 internal_proto(spread_c10);
1242
1243 #endif
1244
1245 #ifdef HAVE_GFC_COMPLEX_16
1246 extern void spread_c16 (gfc_array_c16 *, const gfc_array_c16 *,
1247                        const index_type, const index_type);
1248 internal_proto(spread_c16);
1249
1250 #endif
1251
1252 extern void spread_scalar_i1 (gfc_array_i1 *, const GFC_INTEGER_1 *,
1253                               const index_type, const index_type);
1254 internal_proto(spread_scalar_i1);
1255
1256 extern void spread_scalar_i2 (gfc_array_i2 *, const GFC_INTEGER_2 *,
1257                               const index_type, const index_type);
1258 internal_proto(spread_scalar_i2);
1259
1260 extern void spread_scalar_i4 (gfc_array_i4 *, const GFC_INTEGER_4 *,
1261                               const index_type, const index_type);
1262 internal_proto(spread_scalar_i4);
1263
1264 extern void spread_scalar_i8 (gfc_array_i8 *, const GFC_INTEGER_8 *,
1265                               const index_type, const index_type);
1266 internal_proto(spread_scalar_i8);
1267
1268 #ifdef HAVE_GFC_INTEGER_16
1269 extern void spread_scalar_i16 (gfc_array_i16 *, const GFC_INTEGER_16 *,
1270                                const index_type, const index_type);
1271 internal_proto(spread_scalar_i16);
1272
1273 #endif
1274
1275 extern void spread_scalar_r4 (gfc_array_r4 *, const GFC_REAL_4 *,
1276                               const index_type, const index_type);
1277 internal_proto(spread_scalar_r4);
1278
1279 extern void spread_scalar_r8 (gfc_array_r8 *, const GFC_REAL_8 *,
1280                               const index_type, const index_type);
1281 internal_proto(spread_scalar_r8);
1282
1283 #ifdef HAVE_GFC_REAL_10
1284 extern void spread_scalar_r10 (gfc_array_r10 *, const GFC_REAL_10 *,
1285                                const index_type, const index_type);
1286 internal_proto(spread_scalar_r10);
1287
1288 #endif
1289
1290 #ifdef HAVE_GFC_REAL_16
1291 extern void spread_scalar_r16 (gfc_array_r16 *, const GFC_REAL_16 *,
1292                                const index_type, const index_type);
1293 internal_proto(spread_scalar_r16);
1294
1295 #endif
1296
1297 extern void spread_scalar_c4 (gfc_array_c4 *, const GFC_COMPLEX_4 *,
1298                               const index_type, const index_type);
1299 internal_proto(spread_scalar_c4);
1300
1301 extern void spread_scalar_c8 (gfc_array_c8 *, const GFC_COMPLEX_8 *,
1302                               const index_type, const index_type);
1303 internal_proto(spread_scalar_c8);
1304
1305 #ifdef HAVE_GFC_COMPLEX_10
1306 extern void spread_scalar_c10 (gfc_array_c10 *, const GFC_COMPLEX_10 *,
1307                                const index_type, const index_type);
1308 internal_proto(spread_scalar_c10);
1309
1310 #endif
1311
1312 #ifdef HAVE_GFC_COMPLEX_16
1313 extern void spread_scalar_c16 (gfc_array_c16 *, const GFC_COMPLEX_16 *,
1314                                const index_type, const index_type);
1315 internal_proto(spread_scalar_c16);
1316
1317 #endif
1318
1319 /* string_intrinsics.c */
1320
1321 extern int compare_string (gfc_charlen_type, const char *,
1322                            gfc_charlen_type, const char *);
1323 iexport_proto(compare_string);
1324
1325 extern int compare_string_char4 (gfc_charlen_type, const gfc_char4_t *,
1326                                  gfc_charlen_type, const gfc_char4_t *);
1327 iexport_proto(compare_string_char4);
1328
1329 extern int memcmp_char4 (const void *, const void *, size_t);
1330 internal_proto(memcmp_char4);
1331
1332
1333 /* random.c */
1334
1335 extern void random_seed_i4 (GFC_INTEGER_4 * size, gfc_array_i4 * put,
1336                             gfc_array_i4 * get);
1337 iexport_proto(random_seed_i4);
1338 extern void random_seed_i8 (GFC_INTEGER_8 * size, gfc_array_i8 * put,
1339                             gfc_array_i8 * get);
1340 iexport_proto(random_seed_i8);
1341
1342 /* size.c */
1343
1344 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, void) array_t;
1345
1346 extern index_type size0 (const array_t * array);
1347 iexport_proto(size0);
1348
1349 /* bounds.c */
1350
1351 extern void bounds_equal_extents (array_t *, array_t *, const char *,
1352                                   const char *);
1353 internal_proto(bounds_equal_extents);
1354
1355 extern void bounds_reduced_extents (array_t *, array_t *, int, const char *,
1356                              const char *intrinsic);
1357 internal_proto(bounds_reduced_extents);
1358
1359 extern void bounds_iforeach_return (array_t *, array_t *, const char *);
1360 internal_proto(bounds_iforeach_return);
1361
1362 extern void bounds_ifunction_return (array_t *, const index_type *,
1363                                      const char *, const char *);
1364 internal_proto(bounds_ifunction_return);
1365
1366 extern index_type count_0 (const gfc_array_l1 *);
1367
1368 internal_proto(count_0);
1369
1370 /* Internal auxiliary functions for cshift */
1371
1372 void cshift0_i1 (gfc_array_i1 *, const gfc_array_i1 *, ptrdiff_t, int);
1373 internal_proto(cshift0_i1);
1374
1375 void cshift0_i2 (gfc_array_i2 *, const gfc_array_i2 *, ptrdiff_t, int);
1376 internal_proto(cshift0_i2);
1377
1378 void cshift0_i4 (gfc_array_i4 *, const gfc_array_i4 *, ptrdiff_t, int);
1379 internal_proto(cshift0_i4);
1380
1381 void cshift0_i8 (gfc_array_i8 *, const gfc_array_i8 *, ptrdiff_t, int);
1382 internal_proto(cshift0_i8);
1383
1384 #ifdef HAVE_GFC_INTEGER_16
1385 void cshift0_i16 (gfc_array_i16 *, const gfc_array_i16 *, ptrdiff_t, int);
1386 internal_proto(cshift0_i16);
1387 #endif
1388
1389 void cshift0_r4 (gfc_array_r4 *, const gfc_array_r4 *, ptrdiff_t, int);
1390 internal_proto(cshift0_r4);
1391
1392 void cshift0_r8 (gfc_array_r8 *, const gfc_array_r8 *, ptrdiff_t, int);
1393 internal_proto(cshift0_r8);
1394
1395 #ifdef HAVE_GFC_REAL_10
1396 void cshift0_r10 (gfc_array_r10 *, const gfc_array_r10 *, ptrdiff_t, int);
1397 internal_proto(cshift0_r10);
1398 #endif
1399
1400 #ifdef HAVE_GFC_REAL_16
1401 void cshift0_r16 (gfc_array_r16 *, const gfc_array_r16 *, ptrdiff_t, int);
1402 internal_proto(cshift0_r16);
1403 #endif
1404
1405 void cshift0_c4 (gfc_array_c4 *, const gfc_array_c4 *, ptrdiff_t, int);
1406 internal_proto(cshift0_c4);
1407
1408 void cshift0_c8 (gfc_array_c8 *, const gfc_array_c8 *, ptrdiff_t, int);
1409 internal_proto(cshift0_c8);
1410
1411 #ifdef HAVE_GFC_COMPLEX_10
1412 void cshift0_c10 (gfc_array_c10 *, const gfc_array_c10 *, ptrdiff_t, int);
1413 internal_proto(cshift0_c10);
1414 #endif
1415
1416 #ifdef HAVE_GFC_COMPLEX_16
1417 void cshift0_c16 (gfc_array_c16 *, const gfc_array_c16 *, ptrdiff_t, int);
1418 internal_proto(cshift0_c16);
1419 #endif
1420
1421 #endif  /* LIBGFOR_H  */