libgfortran/libgfortran.h

   1 /* Common declarations for all of libgfortran.
   2    Copyright (C) 2002-2014 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 #ifndef __GNUC__
 111 #define __attribute__(x)
 112 #define likely(x)       (x)
 113 #define unlikely(x)     (x)
 114 #else
 115 #define likely(x)       __builtin_expect(!!(x), 1)
 116 #define unlikely(x)     __builtin_expect(!!(x), 0)
 117 #endif
 118
 119
 120 /* Make sure we have ptrdiff_t. */
 121 #ifndef HAVE_PTRDIFF_T
 122 typedef intptr_t ptrdiff_t;
 123 #endif
 124
 125 /* On mingw, work around the buggy Windows snprintf() by using the one
 126    mingw provides, __mingw_snprintf().  We also provide a prototype for
 127    __mingw_snprintf(), because the mingw headers currently don't have one.  */
 128 #if HAVE_MINGW_SNPRINTF
 129 extern int __mingw_snprintf (char *, size_t, const char *, ...)
 130      __attribute__ ((format (gnu_printf, 3, 4)));
 131 #undef snprintf
 132 #define snprintf __mingw_snprintf
 133 /* Fallback to sprintf if target does not have snprintf.  */
 134 #elif !defined(HAVE_SNPRINTF)
 135 #undef snprintf
 136 #define snprintf(str, size, ...) sprintf (str, __VA_ARGS__)
 137 #endif
 138
 139
 140 /* For a library, a standard prefix is a requirement in order to partition
 141    the namespace.  IPREFIX is for symbols intended to be internal to the
 142    library.  */
 143 #define PREFIX(x)       _gfortran_ ## x
 144 #define IPREFIX(x)      _gfortrani_ ## x
 145
 146 /* Magic to rename a symbol at the compiler level.  You continue to refer
 147    to the symbol as OLD in the source, but it'll be named NEW in the asm.  */
 148 #define sym_rename(old, new) sym_rename1(old, __USER_LABEL_PREFIX__, new)
 149 #define sym_rename1(old, ulp, new) sym_rename2(old, ulp, new)
 150 #define sym_rename2(old, ulp, new) extern __typeof(old) old __asm__(#ulp #new)
 151
 152 /* There are several classifications of routines:
 153
 154      (1) Symbols used only within the library,
 155      (2) Symbols to be exported from the library,
 156      (3) Symbols to be exported from the library, but
 157          also used inside the library.
 158
 159    By telling the compiler about these different classifications we can
 160    tightly control the interface seen by the user, and get better code
 161    from the compiler at the same time.
 162
 163    One of the following should be used immediately after the declaration
 164    of each symbol:
 165
 166      internal_proto     Marks a symbol used only within the library,
 167                         and adds IPREFIX to the assembly-level symbol
 168                         name.  The later is important for maintaining
 169                         the namespace partition for the static library.
 170
 171      export_proto       Marks a symbol to be exported, and adds PREFIX
 172                         to the assembly-level symbol name.
 173
 174      export_proto_np    Marks a symbol to be exported without adding PREFIX.
 175
 176      iexport_proto      Marks a function to be exported, but with the
 177                         understanding that it can be used inside as well.
 178
 179      iexport_data_proto Similarly, marks a data symbol to be exported.
 180                         Unfortunately, some systems can't play the hidden
 181                         symbol renaming trick on data symbols, thanks to
 182                         the horribleness of COPY relocations.
 183
 184    If iexport_proto or iexport_data_proto is used, you must also use
 185    iexport or iexport_data after the *definition* of the symbol.  */
 186
 187 #if defined(HAVE_ATTRIBUTE_VISIBILITY)
 188 # define internal_proto(x) \
 189         sym_rename(x, IPREFIX (x)) __attribute__((__visibility__("hidden")))
 190 #else
 191 # define internal_proto(x)      sym_rename(x, IPREFIX(x))
 192 #endif
 193
 194 #if defined(HAVE_ATTRIBUTE_VISIBILITY) && defined(HAVE_ATTRIBUTE_ALIAS)
 195 # define export_proto(x)        sym_rename(x, PREFIX(x))
 196 # define export_proto_np(x)     extern char swallow_semicolon
 197 # define iexport_proto(x)       internal_proto(x)
 198 # define iexport(x)             iexport1(x, IPREFIX(x))
 199 # define iexport1(x,y)          iexport2(x,y)
 200 # define iexport2(x,y) \
 201         extern __typeof(x) PREFIX(x) __attribute__((__alias__(#y)))
 202 #else
 203 # define export_proto(x)        sym_rename(x, PREFIX(x))
 204 # define export_proto_np(x)     extern char swallow_semicolon
 205 # define iexport_proto(x)       export_proto(x)
 206 # define iexport(x)             extern char swallow_semicolon
 207 #endif
 208
 209 /* TODO: detect the case when we *can* hide the symbol.  */
 210 #define iexport_data_proto(x)   export_proto(x)
 211 #define iexport_data(x)         extern char swallow_semicolon
 212
 213 /* The only reliable way to get the offset of a field in a struct
 214    in a system independent way is via this macro.  */
 215 #ifndef offsetof
 216 #define offsetof(TYPE, MEMBER)  ((size_t) &((TYPE *) 0)->MEMBER)
 217 #endif
 218
 219 /* The C99 classification macros isfinite, isinf, isnan, isnormal
 220    and signbit are broken or inconsistent on quite a few targets.
 221    So, we use GCC's builtins instead.
 222
 223    Another advantage for GCC's builtins for these type-generic macros
 224    is that it handles floating-point types that the system headers
 225    may not support (like __float128).  */
 226
 227 #undef isnan
 228 #define isnan(x) __builtin_isnan(x)
 229 #undef isfinite
 230 #define isfinite(x) __builtin_isfinite(x)
 231 #undef isinf
 232 #define isinf(x) __builtin_isinf(x)
 233 #undef isnormal
 234 #define isnormal(x) __builtin_isnormal(x)
 235 #undef signbit
 236 #define signbit(x) __builtin_signbit(x)
 237
 238 /* TODO: find the C99 version of these an move into above ifdef.  */
 239 #define REALPART(z) (__real__(z))
 240 #define IMAGPART(z) (__imag__(z))
 241 #define COMPLEX_ASSIGN(z_, r_, i_) {__real__(z_) = (r_); __imag__(z_) = (i_);}
 242
 243 #include "kinds.h"
 244
 245 /* Define the type used for the current record number for large file I/O.
 246    The size must be consistent with the size defined on the compiler side.  */
 247 #ifdef HAVE_GFC_INTEGER_8
 248 typedef GFC_INTEGER_8 GFC_IO_INT;
 249 #else
 250 #ifdef HAVE_GFC_INTEGER_4
 251 typedef GFC_INTEGER_4 GFC_IO_INT;
 252 #else
 253 #error "GFC_INTEGER_4 should be available for the library to compile".
 254 #endif
 255 #endif
 256
 257 /* The following two definitions must be consistent with the types used
 258    by the compiler.  */
 259 /* The type used of array indices, amongst other things.  */
 260 typedef ptrdiff_t index_type;
 261
 262 /* The type used for the lengths of character variables.  */
 263 typedef GFC_INTEGER_4 gfc_charlen_type;
 264
 265 /* Definitions of CHARACTER data types:
 266      - CHARACTER(KIND=1) corresponds to the C char type,
 267      - CHARACTER(KIND=4) corresponds to an unsigned 32-bit integer.  */
 268 typedef GFC_UINTEGER_4 gfc_char4_t;
 269
 270 /* Byte size of character kinds.  For the kinds currently supported, it's
 271    simply equal to the kind parameter itself.  */
 272 #define GFC_SIZE_OF_CHAR_KIND(kind) (kind)
 273
 274 /* This will be 0 on little-endian machines and one on big-endian machines.  */
 275 extern int big_endian;
 276 internal_proto(big_endian);
 277
 278 #define GFOR_POINTER_TO_L1(p, kind) \
 279   (big_endian * (kind - 1) + (GFC_LOGICAL_1 *)(p))
 280
 281 #define GFC_INTEGER_1_HUGE \
 282   (GFC_INTEGER_1)((((GFC_UINTEGER_1)1) << 7) - 1)
 283 #define GFC_INTEGER_2_HUGE \
 284   (GFC_INTEGER_2)((((GFC_UINTEGER_2)1) << 15) - 1)
 285 #define GFC_INTEGER_4_HUGE \
 286   (GFC_INTEGER_4)((((GFC_UINTEGER_4)1) << 31) - 1)
 287 #define GFC_INTEGER_8_HUGE \
 288   (GFC_INTEGER_8)((((GFC_UINTEGER_8)1) << 63) - 1)
 289 #ifdef HAVE_GFC_INTEGER_16
 290 #define GFC_INTEGER_16_HUGE \
 291   (GFC_INTEGER_16)((((GFC_UINTEGER_16)1) << 127) - 1)
 292 #endif
 293
 294 /* M{IN,AX}{LOC,VAL} need also infinities and NaNs if supported.  */
 295
 296 #ifdef __FLT_HAS_INFINITY__
 297 # define GFC_REAL_4_INFINITY __builtin_inff ()
 298 #endif
 299 #ifdef __DBL_HAS_INFINITY__
 300 # define GFC_REAL_8_INFINITY __builtin_inf ()
 301 #endif
 302 #ifdef __LDBL_HAS_INFINITY__
 303 # ifdef HAVE_GFC_REAL_10
 304 #  define GFC_REAL_10_INFINITY __builtin_infl ()
 305 # endif
 306 # ifdef HAVE_GFC_REAL_16
 307 #  ifdef GFC_REAL_16_IS_LONG_DOUBLE
 308 #   define GFC_REAL_16_INFINITY __builtin_infl ()
 309 #  else
 310 #   define GFC_REAL_16_INFINITY __builtin_infq ()
 311 #  endif
 312 # endif
 313 #endif
 314 #ifdef __FLT_HAS_QUIET_NAN__
 315 # define GFC_REAL_4_QUIET_NAN __builtin_nanf ("")
 316 #endif
 317 #ifdef __DBL_HAS_QUIET_NAN__
 318 # define GFC_REAL_8_QUIET_NAN __builtin_nan ("")
 319 #endif
 320 #ifdef __LDBL_HAS_QUIET_NAN__
 321 # ifdef HAVE_GFC_REAL_10
 322 #  define GFC_REAL_10_QUIET_NAN __builtin_nanl ("")
 323 # endif
 324 # ifdef HAVE_GFC_REAL_16
 325 #  ifdef GFC_REAL_16_IS_LONG_DOUBLE
 326 #   define GFC_REAL_16_QUIET_NAN __builtin_nanl ("")
 327 #  else
 328 #   define GFC_REAL_16_QUIET_NAN nanq ("")
 329 #  endif
 330 # endif
 331 #endif
 332
 333 typedef struct descriptor_dimension
 334 {
 335   index_type _stride;
 336   index_type lower_bound;
 337   index_type _ubound;
 338 }
 339
 340 descriptor_dimension;
 341
 342 #define GFC_ARRAY_DESCRIPTOR(r, type) \
 343 struct {\
 344   type *base_addr;\
 345   size_t offset;\
 346   index_type dtype;\
 347   descriptor_dimension dim[r];\
 348 }
 349
 350 /* Commonly used array descriptor types.  */
 351 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, void) gfc_array_void;
 352 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, char) gfc_array_char;
 353 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_INTEGER_1) gfc_array_i1;
 354 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_INTEGER_2) gfc_array_i2;
 355 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_INTEGER_4) gfc_array_i4;
 356 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_INTEGER_8) gfc_array_i8;
 357 #ifdef HAVE_GFC_INTEGER_16
 358 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_INTEGER_16) gfc_array_i16;
 359 #endif
 360 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_REAL_4) gfc_array_r4;
 361 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_REAL_8) gfc_array_r8;
 362 #ifdef HAVE_GFC_REAL_10
 363 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_REAL_10) gfc_array_r10;
 364 #endif
 365 #ifdef HAVE_GFC_REAL_16
 366 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_REAL_16) gfc_array_r16;
 367 #endif
 368 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_COMPLEX_4) gfc_array_c4;
 369 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_COMPLEX_8) gfc_array_c8;
 370 #ifdef HAVE_GFC_COMPLEX_10
 371 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_COMPLEX_10) gfc_array_c10;
 372 #endif
 373 #ifdef HAVE_GFC_COMPLEX_16
 374 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_COMPLEX_16) gfc_array_c16;
 375 #endif
 376 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_LOGICAL_1) gfc_array_l1;
 377 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_LOGICAL_2) gfc_array_l2;
 378 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_LOGICAL_4) gfc_array_l4;
 379 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_LOGICAL_8) gfc_array_l8;
 380 #ifdef HAVE_GFC_LOGICAL_16
 381 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_LOGICAL_16) gfc_array_l16;
 382 #endif
 383
 384
 385 #define GFC_DESCRIPTOR_RANK(desc) ((desc)->dtype & GFC_DTYPE_RANK_MASK)
 386 #define GFC_DESCRIPTOR_TYPE(desc) (((desc)->dtype & GFC_DTYPE_TYPE_MASK) \
 387                                    >> GFC_DTYPE_TYPE_SHIFT)
 388 #define GFC_DESCRIPTOR_SIZE(desc) ((desc)->dtype >> GFC_DTYPE_SIZE_SHIFT)
 389 #define GFC_DESCRIPTOR_DATA(desc) ((desc)->base_addr)
 390 #define GFC_DESCRIPTOR_DTYPE(desc) ((desc)->dtype)
 391
 392 #define GFC_DIMENSION_LBOUND(dim) ((dim).lower_bound)
 393 #define GFC_DIMENSION_UBOUND(dim) ((dim)._ubound)
 394 #define GFC_DIMENSION_STRIDE(dim) ((dim)._stride)
 395 #define GFC_DIMENSION_EXTENT(dim) ((dim)._ubound + 1 - (dim).lower_bound)
 396 #define GFC_DIMENSION_SET(dim,lb,ub,str) \
 397   do \
 398     { \
 399       (dim).lower_bound = lb;                   \
 400       (dim)._ubound = ub;                       \
 401       (dim)._stride = str;                      \
 402     } while (0)
 403
 404
 405 #define GFC_DESCRIPTOR_LBOUND(desc,i) ((desc)->dim[i].lower_bound)
 406 #define GFC_DESCRIPTOR_UBOUND(desc,i) ((desc)->dim[i]._ubound)
 407 #define GFC_DESCRIPTOR_EXTENT(desc,i) ((desc)->dim[i]._ubound + 1 \
 408                                       - (desc)->dim[i].lower_bound)
 409 #define GFC_DESCRIPTOR_EXTENT_BYTES(desc,i) \
 410   (GFC_DESCRIPTOR_EXTENT(desc,i) * GFC_DESCRIPTOR_SIZE(desc))
 411
 412 #define GFC_DESCRIPTOR_STRIDE(desc,i) ((desc)->dim[i]._stride)
 413 #define GFC_DESCRIPTOR_STRIDE_BYTES(desc,i) \
 414   (GFC_DESCRIPTOR_STRIDE(desc,i) * GFC_DESCRIPTOR_SIZE(desc))
 415
 416 /* Macros to get both the size and the type with a single masking operation  */
 417
 418 #define GFC_DTYPE_SIZE_MASK \
 419   ((~((index_type) 0) >> GFC_DTYPE_SIZE_SHIFT) << GFC_DTYPE_SIZE_SHIFT)
 420 #define GFC_DTYPE_TYPE_SIZE_MASK (GFC_DTYPE_SIZE_MASK | GFC_DTYPE_TYPE_MASK)
 421
 422 #define GFC_DTYPE_TYPE_SIZE(desc) ((desc)->dtype & GFC_DTYPE_TYPE_SIZE_MASK)
 423
 424 #define GFC_DTYPE_INTEGER_1 ((BT_INTEGER << GFC_DTYPE_TYPE_SHIFT) \
 425    | (sizeof(GFC_INTEGER_1) << GFC_DTYPE_SIZE_SHIFT))
 426 #define GFC_DTYPE_INTEGER_2 ((BT_INTEGER << GFC_DTYPE_TYPE_SHIFT) \
 427    | (sizeof(GFC_INTEGER_2) << GFC_DTYPE_SIZE_SHIFT))
 428 #define GFC_DTYPE_INTEGER_4 ((BT_INTEGER << GFC_DTYPE_TYPE_SHIFT) \
 429    | (sizeof(GFC_INTEGER_4) << GFC_DTYPE_SIZE_SHIFT))
 430 #define GFC_DTYPE_INTEGER_8 ((BT_INTEGER << GFC_DTYPE_TYPE_SHIFT) \
 431    | (sizeof(GFC_INTEGER_8) << GFC_DTYPE_SIZE_SHIFT))
 432 #ifdef HAVE_GFC_INTEGER_16
 433 #define GFC_DTYPE_INTEGER_16 ((BT_INTEGER << GFC_DTYPE_TYPE_SHIFT) \
 434    | (sizeof(GFC_INTEGER_16) << GFC_DTYPE_SIZE_SHIFT))
 435 #endif
 436
 437 #define GFC_DTYPE_LOGICAL_1 ((BT_LOGICAL << GFC_DTYPE_TYPE_SHIFT) \
 438    | (sizeof(GFC_LOGICAL_1) << GFC_DTYPE_SIZE_SHIFT))
 439 #define GFC_DTYPE_LOGICAL_2 ((BT_LOGICAL << GFC_DTYPE_TYPE_SHIFT) \
 440    | (sizeof(GFC_LOGICAL_2) << GFC_DTYPE_SIZE_SHIFT))
 441 #define GFC_DTYPE_LOGICAL_4 ((BT_LOGICAL << GFC_DTYPE_TYPE_SHIFT) \
 442    | (sizeof(GFC_LOGICAL_4) << GFC_DTYPE_SIZE_SHIFT))
 443 #define GFC_DTYPE_LOGICAL_8 ((BT_LOGICAL << GFC_DTYPE_TYPE_SHIFT) \
 444    | (sizeof(GFC_LOGICAL_8) << GFC_DTYPE_SIZE_SHIFT))
 445 #ifdef HAVE_GFC_LOGICAL_16
 446 #define GFC_DTYPE_LOGICAL_16 ((BT_LOGICAL << GFC_DTYPE_TYPE_SHIFT) \
 447    | (sizeof(GFC_LOGICAL_16) << GFC_DTYPE_SIZE_SHIFT))
 448 #endif
 449
 450 #define GFC_DTYPE_REAL_4 ((BT_REAL << GFC_DTYPE_TYPE_SHIFT) \
 451    | (sizeof(GFC_REAL_4) << GFC_DTYPE_SIZE_SHIFT))
 452 #define GFC_DTYPE_REAL_8 ((BT_REAL << GFC_DTYPE_TYPE_SHIFT) \
 453    | (sizeof(GFC_REAL_8) << GFC_DTYPE_SIZE_SHIFT))
 454 #ifdef HAVE_GFC_REAL_10
 455 #define GFC_DTYPE_REAL_10  ((BT_REAL << GFC_DTYPE_TYPE_SHIFT) \
 456    | (sizeof(GFC_REAL_10) << GFC_DTYPE_SIZE_SHIFT))
 457 #endif
 458 #ifdef HAVE_GFC_REAL_16
 459 #define GFC_DTYPE_REAL_16 ((BT_REAL << GFC_DTYPE_TYPE_SHIFT) \
 460    | (sizeof(GFC_REAL_16) << GFC_DTYPE_SIZE_SHIFT))
 461 #endif
 462
 463 #define GFC_DTYPE_COMPLEX_4 ((BT_COMPLEX << GFC_DTYPE_TYPE_SHIFT) \
 464    | (sizeof(GFC_COMPLEX_4) << GFC_DTYPE_SIZE_SHIFT))
 465 #define GFC_DTYPE_COMPLEX_8 ((BT_COMPLEX << GFC_DTYPE_TYPE_SHIFT) \
 466    | (sizeof(GFC_COMPLEX_8) << GFC_DTYPE_SIZE_SHIFT))
 467 #ifdef HAVE_GFC_COMPLEX_10
 468 #define GFC_DTYPE_COMPLEX_10 ((BT_COMPLEX << GFC_DTYPE_TYPE_SHIFT) \
 469    | (sizeof(GFC_COMPLEX_10) << GFC_DTYPE_SIZE_SHIFT))
 470 #endif
 471 #ifdef HAVE_GFC_COMPLEX_16
 472 #define GFC_DTYPE_COMPLEX_16 ((BT_COMPLEX << GFC_DTYPE_TYPE_SHIFT) \
 473    | (sizeof(GFC_COMPLEX_16) << GFC_DTYPE_SIZE_SHIFT))
 474 #endif
 475
 476 #define GFC_DTYPE_DERIVED_1 ((BT_DERIVED << GFC_DTYPE_TYPE_SHIFT) \
 477    | (sizeof(GFC_INTEGER_1) << GFC_DTYPE_SIZE_SHIFT))
 478 #define GFC_DTYPE_DERIVED_2 ((BT_DERIVED << GFC_DTYPE_TYPE_SHIFT) \
 479    | (sizeof(GFC_INTEGER_2) << GFC_DTYPE_SIZE_SHIFT))
 480 #define GFC_DTYPE_DERIVED_4 ((BT_DERIVED << GFC_DTYPE_TYPE_SHIFT) \
 481    | (sizeof(GFC_INTEGER_4) << GFC_DTYPE_SIZE_SHIFT))
 482 #define GFC_DTYPE_DERIVED_8 ((BT_DERIVED << GFC_DTYPE_TYPE_SHIFT) \
 483    | (sizeof(GFC_INTEGER_8) << GFC_DTYPE_SIZE_SHIFT))
 484 #ifdef HAVE_GFC_INTEGER_16
 485 #define GFC_DTYPE_DERIVED_16 ((BT_DERIVED << GFC_DTYPE_TYPE_SHIFT) \
 486    | (sizeof(GFC_INTEGER_16) << GFC_DTYPE_SIZE_SHIFT))
 487 #endif
 488
 489 /* Macros to determine the alignment of pointers.  */
 490
 491 #define GFC_UNALIGNED_2(x) (((uintptr_t)(x)) & \
 492                             (__alignof__(GFC_INTEGER_2) - 1))
 493 #define GFC_UNALIGNED_4(x) (((uintptr_t)(x)) & \
 494                             (__alignof__(GFC_INTEGER_4) - 1))
 495 #define GFC_UNALIGNED_8(x) (((uintptr_t)(x)) & \
 496                             (__alignof__(GFC_INTEGER_8) - 1))
 497 #ifdef HAVE_GFC_INTEGER_16
 498 #define GFC_UNALIGNED_16(x) (((uintptr_t)(x)) & \
 499                              (__alignof__(GFC_INTEGER_16) - 1))
 500 #endif
 501
 502 #define GFC_UNALIGNED_C4(x) (((uintptr_t)(x)) & \
 503                              (__alignof__(GFC_COMPLEX_4) - 1))
 504
 505 #define GFC_UNALIGNED_C8(x) (((uintptr_t)(x)) & \
 506                              (__alignof__(GFC_COMPLEX_8) - 1))
 507
 508 /* Runtime library include.  */
 509 #define stringize(x) expand_macro(x)
 510 #define expand_macro(x) # x
 511
 512 /* Runtime options structure.  */
 513
 514 typedef struct
 515 {
 516   int stdin_unit, stdout_unit, stderr_unit, optional_plus;
 517   int locus;
 518
 519   int separator_len;
 520   const char *separator;
 521
 522   int all_unbuffered, unbuffered_preconnected, default_recl;
 523   int fpe, backtrace;
 524 }
 525 options_t;
 526
 527 extern options_t options;
 528 internal_proto(options);
 529
 530 extern void backtrace_handler (int);
 531 internal_proto(backtrace_handler);
 532
 533
 534 /* Compile-time options that will influence the library.  */
 535
 536 typedef struct
 537 {
 538   int warn_std;
 539   int allow_std;
 540   int pedantic;
 541   int convert;
 542   int backtrace;
 543   int sign_zero;
 544   size_t record_marker;
 545   int max_subrecord_length;
 546   int bounds_check;
 547   int fpe_summary;
 548 }
 549 compile_options_t;
 550
 551 extern compile_options_t compile_options;
 552 internal_proto(compile_options);
 553
 554 extern void init_compile_options (void);
 555 internal_proto(init_compile_options);
 556
 557 #define GFC_MAX_SUBRECORD_LENGTH 2147483639   /* 2**31 - 9 */
 558
 559 /* Structure for statement options.  */
 560
 561 typedef struct
 562 {
 563   const char *name;
 564   int value;
 565 }
 566 st_option;
 567
 568
 569 /* This is returned by notification_std to know if, given the flags
 570    that were given (-std=, -pedantic) we should issue an error, a warning
 571    or nothing.  */
 572 typedef enum
 573 { NOTIFICATION_SILENT, NOTIFICATION_WARNING, NOTIFICATION_ERROR }
 574 notification;
 575
 576
 577 /* The filename and line number don't go inside the globals structure.
 578    They are set by the rest of the program and must be linked to.  */
 579
 580 /* Location of the current library call (optional).  */
 581 extern unsigned line;
 582 iexport_data_proto(line);
 583
 584 extern char *filename;
 585 iexport_data_proto(filename);
 586
 587 /* Avoid conflicting prototypes of alloca() in system headers by using
 588    GCC's builtin alloca().  */
 589 #define gfc_alloca(x)  __builtin_alloca(x)
 590
 591
 592 /* The default value of record length for preconnected units is defined
 593    here. This value can be overriden by an environment variable.
 594    Default value is 1 Gb.  */
 595 #define DEFAULT_RECL 1073741824
 596
 597
 598 #define CHARACTER2(name) \
 599               gfc_charlen_type name ## _len; \
 600               char * name
 601
 602 typedef struct st_parameter_common
 603 {
 604   GFC_INTEGER_4 flags;
 605   GFC_INTEGER_4 unit;
 606   const char *filename;
 607   GFC_INTEGER_4 line;
 608   CHARACTER2 (iomsg);
 609   GFC_INTEGER_4 *iostat;
 610 }
 611 st_parameter_common;
 612
 613 #undef CHARACTER2
 614
 615 #define IOPARM_LIBRETURN_MASK           (3 << 0)
 616 #define IOPARM_LIBRETURN_OK             (0 << 0)
 617 #define IOPARM_LIBRETURN_ERROR          (1 << 0)
 618 #define IOPARM_LIBRETURN_END            (2 << 0)
 619 #define IOPARM_LIBRETURN_EOR            (3 << 0)
 620 #define IOPARM_ERR                      (1 << 2)
 621 #define IOPARM_END                      (1 << 3)
 622 #define IOPARM_EOR                      (1 << 4)
 623 #define IOPARM_HAS_IOSTAT               (1 << 5)
 624 #define IOPARM_HAS_IOMSG                (1 << 6)
 625
 626 #define IOPARM_COMMON_MASK              ((1 << 7) - 1)
 627
 628 #define IOPARM_OPEN_HAS_RECL_IN         (1 << 7)
 629 #define IOPARM_OPEN_HAS_FILE            (1 << 8)
 630 #define IOPARM_OPEN_HAS_STATUS          (1 << 9)
 631 #define IOPARM_OPEN_HAS_ACCESS          (1 << 10)
 632 #define IOPARM_OPEN_HAS_FORM            (1 << 11)
 633 #define IOPARM_OPEN_HAS_BLANK           (1 << 12)
 634 #define IOPARM_OPEN_HAS_POSITION        (1 << 13)
 635 #define IOPARM_OPEN_HAS_ACTION          (1 << 14)
 636 #define IOPARM_OPEN_HAS_DELIM           (1 << 15)
 637 #define IOPARM_OPEN_HAS_PAD             (1 << 16)
 638 #define IOPARM_OPEN_HAS_CONVERT         (1 << 17)
 639 #define IOPARM_OPEN_HAS_DECIMAL         (1 << 18)
 640 #define IOPARM_OPEN_HAS_ENCODING        (1 << 19)
 641 #define IOPARM_OPEN_HAS_ROUND           (1 << 20)
 642 #define IOPARM_OPEN_HAS_SIGN            (1 << 21)
 643 #define IOPARM_OPEN_HAS_ASYNCHRONOUS    (1 << 22)
 644 #define IOPARM_OPEN_HAS_NEWUNIT         (1 << 23)
 645
 646 /* library start function and end macro.  These can be expanded if needed
 647    in the future.  cmp is st_parameter_common *cmp  */
 648
 649 extern void library_start (st_parameter_common *);
 650 internal_proto(library_start);
 651
 652 #define library_end()
 653
 654 /* main.c */
 655
 656 extern void stupid_function_name_for_static_linking (void);
 657 internal_proto(stupid_function_name_for_static_linking);
 658
 659 extern void set_args (int, char **);
 660 iexport_proto(set_args);
 661
 662 extern void get_args (int *, char ***);
 663 internal_proto(get_args);
 664
 665 extern void store_exe_path (const char *);
 666 export_proto(store_exe_path);
 667
 668 extern char * full_exe_path (void);
 669 internal_proto(full_exe_path);
 670
 671 extern void find_addr2line (void);
 672 internal_proto(find_addr2line);
 673
 674 /* backtrace.c */
 675
 676 extern void backtrace (void);
 677 iexport_proto(backtrace);
 678
 679 /* error.c */
 680
 681 #if defined(HAVE_GFC_REAL_16)
 682 #define GFC_LARGEST_BUF (sizeof (GFC_REAL_16))
 683 #elif defined(HAVE_GFC_INTEGER_16)
 684 #define GFC_LARGEST_BUF (sizeof (GFC_INTEGER_LARGEST))
 685 #elif defined(HAVE_GFC_REAL_10)
 686 #define GFC_LARGEST_BUF (sizeof (GFC_REAL_10))
 687 #else
 688 #define GFC_LARGEST_BUF (sizeof (GFC_INTEGER_LARGEST))
 689 #endif
 690
 691 #define GFC_ITOA_BUF_SIZE (sizeof (GFC_INTEGER_LARGEST) * 3 + 2)
 692 #define GFC_XTOA_BUF_SIZE (GFC_LARGEST_BUF * 2 + 1)
 693 #define GFC_OTOA_BUF_SIZE (GFC_LARGEST_BUF * 3 + 1)
 694 #define GFC_BTOA_BUF_SIZE (GFC_LARGEST_BUF * 8 + 1)
 695
 696 extern void sys_abort (void) __attribute__ ((noreturn));
 697 internal_proto(sys_abort);
 698
 699 extern ssize_t estr_write (const char *);
 700 internal_proto(estr_write);
 701
 702 extern int st_vprintf (const char *, va_list);
 703 internal_proto(st_vprintf);
 704
 705 extern int st_printf (const char *, ...)
 706   __attribute__((format (gfc_printf, 1, 2)));
 707 internal_proto(st_printf);
 708
 709 extern const char *gfc_xtoa (GFC_UINTEGER_LARGEST, char *, size_t);
 710 internal_proto(gfc_xtoa);
 711
 712 extern void os_error (const char *) __attribute__ ((noreturn));
 713 iexport_proto(os_error);
 714
 715 extern void show_locus (st_parameter_common *);
 716 internal_proto(show_locus);
 717
 718 extern void runtime_error (const char *, ...)
 719      __attribute__ ((noreturn, format (gfc_printf, 1, 2)));
 720 iexport_proto(runtime_error);
 721
 722 extern void runtime_error_at (const char *, const char *, ...)
 723      __attribute__ ((noreturn, format (gfc_printf, 2, 3)));
 724 iexport_proto(runtime_error_at);
 725
 726 extern void runtime_warning_at (const char *, const char *, ...)
 727      __attribute__ ((format (gfc_printf, 2, 3)));
 728 iexport_proto(runtime_warning_at);
 729
 730 extern void internal_error (st_parameter_common *, const char *)
 731   __attribute__ ((noreturn));
 732 internal_proto(internal_error);
 733
 734 extern const char *translate_error (int);
 735 internal_proto(translate_error);
 736
 737 extern void generate_error (st_parameter_common *, int, const char *);
 738 iexport_proto(generate_error);
 739
 740 extern void generate_warning (st_parameter_common *, const char *);
 741 internal_proto(generate_warning);
 742
 743 extern bool notify_std (st_parameter_common *, int, const char *);
 744 internal_proto(notify_std);
 745
 746 extern notification notification_std(int);
 747 internal_proto(notification_std);
 748
 749 extern char *gf_strerror (int, char *, size_t);
 750 internal_proto(gf_strerror);
 751
 752 /* fpu.c */
 753
 754 extern void set_fpu (void);
 755 internal_proto(set_fpu);
 756
 757 extern int get_fpu_except_flags (void);
 758 internal_proto(get_fpu_except_flags);
 759
 760 extern void set_fpu_rounding_mode (int round);
 761 internal_proto(set_fpu_rounding_mode);
 762
 763 extern int get_fpu_rounding_mode (void);
 764 internal_proto(get_fpu_rounding_mode);
 765
 766 /* memory.c */
 767
 768 extern void *xmalloc (size_t) __attribute__ ((malloc));
 769 internal_proto(xmalloc);
 770
 771 extern void *xmallocarray (size_t, size_t) __attribute__ ((malloc));
 772 internal_proto(xmallocarray);
 773
 774 extern void *xcalloc (size_t, size_t) __attribute__ ((malloc));
 775 internal_proto(xcalloc);
 776
 777 extern void *xrealloc (void *, size_t);
 778 internal_proto(xrealloc);
 779
 780 /* environ.c */
 781
 782 extern int check_buffered (int);
 783 internal_proto(check_buffered);
 784
 785 extern void init_variables (void);
 786 internal_proto(init_variables);
 787
 788 extern void show_variables (void);
 789 internal_proto(show_variables);
 790
 791 unit_convert get_unformatted_convert (int);
 792 internal_proto(get_unformatted_convert);
 793
 794 /* Secure getenv() which returns NULL if running as SUID/SGID.  */
 795 #ifndef HAVE_SECURE_GETENV
 796 #ifdef HAVE___SECURE_GETENV
 797 #define secure_getenv __secure_getenv
 798 #elif defined(HAVE_GETUID) && defined(HAVE_GETEUID) \
 799   && defined(HAVE_GETGID) && defined(HAVE_GETEGID)
 800 #define FALLBACK_SECURE_GETENV
 801 extern char *secure_getenv (const char *);
 802 internal_proto(secure_getenv);
 803 #else
 804 #define secure_getenv getenv
 805 #endif
 806 #endif
 807
 808 /* string.c */
 809
 810 extern int find_option (st_parameter_common *, const char *, gfc_charlen_type,
 811                         const st_option *, const char *);
 812 internal_proto(find_option);
 813
 814 extern gfc_charlen_type fstrlen (const char *, gfc_charlen_type);
 815 internal_proto(fstrlen);
 816
 817 extern gfc_charlen_type fstrcpy (char *, gfc_charlen_type, const char *, gfc_charlen_type);
 818 internal_proto(fstrcpy);
 819
 820 extern gfc_charlen_type cf_strcpy (char *, gfc_charlen_type, const char *);
 821 internal_proto(cf_strcpy);
 822
 823 extern gfc_charlen_type string_len_trim (gfc_charlen_type, const char *);
 824 export_proto(string_len_trim);
 825
 826 extern gfc_charlen_type string_len_trim_char4 (gfc_charlen_type,
 827                                                const gfc_char4_t *);
 828 export_proto(string_len_trim_char4);
 829
 830 extern char *fc_strdup(const char *, gfc_charlen_type);
 831 internal_proto(fc_strdup);
 832
 833 /* io/intrinsics.c */
 834
 835 extern void flush_all_units (void);
 836 internal_proto(flush_all_units);
 837
 838 /* io.c */
 839
 840 extern void init_units (void);
 841 internal_proto(init_units);
 842
 843 extern void close_units (void);
 844 internal_proto(close_units);
 845
 846 extern int unit_to_fd (int);
 847 internal_proto(unit_to_fd);
 848
 849 extern char * filename_from_unit (int);
 850 internal_proto(filename_from_unit);
 851
 852 /* stop.c */
 853
 854 extern void stop_string (const char *, GFC_INTEGER_4)
 855   __attribute__ ((noreturn));
 856 export_proto(stop_string);
 857
 858 /* reshape_packed.c */
 859
 860 extern void reshape_packed (char *, index_type, const char *, index_type,
 861                             const char *, index_type);
 862 internal_proto(reshape_packed);
 863
 864 /* Repacking functions.  These are called internally by internal_pack
 865    and internal_unpack.  */
 866
 867 GFC_INTEGER_1 *internal_pack_1 (gfc_array_i1 *);
 868 internal_proto(internal_pack_1);
 869
 870 GFC_INTEGER_2 *internal_pack_2 (gfc_array_i2 *);
 871 internal_proto(internal_pack_2);
 872
 873 GFC_INTEGER_4 *internal_pack_4 (gfc_array_i4 *);
 874 internal_proto(internal_pack_4);
 875
 876 GFC_INTEGER_8 *internal_pack_8 (gfc_array_i8 *);
 877 internal_proto(internal_pack_8);
 878
 879 #if defined HAVE_GFC_INTEGER_16
 880 GFC_INTEGER_16 *internal_pack_16 (gfc_array_i16 *);
 881 internal_proto(internal_pack_16);
 882 #endif
 883
 884 GFC_REAL_4 *internal_pack_r4 (gfc_array_r4 *);
 885 internal_proto(internal_pack_r4);
 886
 887 GFC_REAL_8 *internal_pack_r8 (gfc_array_r8 *);
 888 internal_proto(internal_pack_r8);
 889
 890 #if defined HAVE_GFC_REAL_10
 891 GFC_REAL_10 *internal_pack_r10 (gfc_array_r10 *);
 892 internal_proto(internal_pack_r10);
 893 #endif
 894
 895 #if defined HAVE_GFC_REAL_16
 896 GFC_REAL_16 *internal_pack_r16 (gfc_array_r16 *);
 897 internal_proto(internal_pack_r16);
 898 #endif
 899
 900 GFC_COMPLEX_4 *internal_pack_c4 (gfc_array_c4 *);
 901 internal_proto(internal_pack_c4);
 902
 903 GFC_COMPLEX_8 *internal_pack_c8 (gfc_array_c8 *);
 904 internal_proto(internal_pack_c8);
 905
 906 #if defined HAVE_GFC_COMPLEX_10
 907 GFC_COMPLEX_10 *internal_pack_c10 (gfc_array_c10 *);
 908 internal_proto(internal_pack_c10);
 909 #endif
 910
 911 #if defined HAVE_GFC_COMPLEX_16
 912 GFC_COMPLEX_16 *internal_pack_c16 (gfc_array_c16 *);
 913 internal_proto(internal_pack_c16);
 914 #endif
 915
 916 extern void internal_unpack_1 (gfc_array_i1 *, const GFC_INTEGER_1 *);
 917 internal_proto(internal_unpack_1);
 918
 919 extern void internal_unpack_2 (gfc_array_i2 *, const GFC_INTEGER_2 *);
 920 internal_proto(internal_unpack_2);
 921
 922 extern void internal_unpack_4 (gfc_array_i4 *, const GFC_INTEGER_4 *);
 923 internal_proto(internal_unpack_4);
 924
 925 extern void internal_unpack_8 (gfc_array_i8 *, const GFC_INTEGER_8 *);
 926 internal_proto(internal_unpack_8);
 927
 928 #if defined HAVE_GFC_INTEGER_16
 929 extern void internal_unpack_16 (gfc_array_i16 *, const GFC_INTEGER_16 *);
 930 internal_proto(internal_unpack_16);
 931 #endif
 932
 933 extern void internal_unpack_r4 (gfc_array_r4 *, const GFC_REAL_4 *);
 934 internal_proto(internal_unpack_r4);
 935
 936 extern void internal_unpack_r8 (gfc_array_r8 *, const GFC_REAL_8 *);
 937 internal_proto(internal_unpack_r8);
 938
 939 #if defined HAVE_GFC_REAL_10
 940 extern void internal_unpack_r10 (gfc_array_r10 *, const GFC_REAL_10 *);
 941 internal_proto(internal_unpack_r10);
 942 #endif
 943
 944 #if defined HAVE_GFC_REAL_16
 945 extern void internal_unpack_r16 (gfc_array_r16 *, const GFC_REAL_16 *);
 946 internal_proto(internal_unpack_r16);
 947 #endif
 948
 949 extern void internal_unpack_c4 (gfc_array_c4 *, const GFC_COMPLEX_4 *);
 950 internal_proto(internal_unpack_c4);
 951
 952 extern void internal_unpack_c8 (gfc_array_c8 *, const GFC_COMPLEX_8 *);
 953 internal_proto(internal_unpack_c8);
 954
 955 #if defined HAVE_GFC_COMPLEX_10
 956 extern void internal_unpack_c10 (gfc_array_c10 *, const GFC_COMPLEX_10 *);
 957 internal_proto(internal_unpack_c10);
 958 #endif
 959
 960 #if defined HAVE_GFC_COMPLEX_16
 961 extern void internal_unpack_c16 (gfc_array_c16 *, const GFC_COMPLEX_16 *);
 962 internal_proto(internal_unpack_c16);
 963 #endif
 964
 965 /* Internal auxiliary functions for the pack intrinsic.  */
 966
 967 extern void pack_i1 (gfc_array_i1 *, const gfc_array_i1 *,
 968                      const gfc_array_l1 *, const gfc_array_i1 *);
 969 internal_proto(pack_i1);
 970
 971 extern void pack_i2 (gfc_array_i2 *, const gfc_array_i2 *,
 972                      const gfc_array_l1 *, const gfc_array_i2 *);
 973 internal_proto(pack_i2);
 974
 975 extern void pack_i4 (gfc_array_i4 *, const gfc_array_i4 *,
 976                      const gfc_array_l1 *, const gfc_array_i4 *);
 977 internal_proto(pack_i4);
 978
 979 extern void pack_i8 (gfc_array_i8 *, const gfc_array_i8 *,
 980                      const gfc_array_l1 *, const gfc_array_i8 *);
 981 internal_proto(pack_i8);
 982
 983 #ifdef HAVE_GFC_INTEGER_16
 984 extern void pack_i16 (gfc_array_i16 *, const gfc_array_i16 *,
 985                      const gfc_array_l1 *, const gfc_array_i16 *);
 986 internal_proto(pack_i16);
 987 #endif
 988
 989 extern void pack_r4 (gfc_array_r4 *, const gfc_array_r4 *,
 990                      const gfc_array_l1 *, const gfc_array_r4 *);
 991 internal_proto(pack_r4);
 992
 993 extern void pack_r8 (gfc_array_r8 *, const gfc_array_r8 *,
 994                      const gfc_array_l1 *, const gfc_array_r8 *);
 995 internal_proto(pack_r8);
 996
 997 #ifdef HAVE_GFC_REAL_10
 998 extern void pack_r10 (gfc_array_r10 *, const gfc_array_r10 *,
 999                      const gfc_array_l1 *, const gfc_array_r10 *);
1000 internal_proto(pack_r10);
1001 #endif
1002
1003 #ifdef HAVE_GFC_REAL_16
1004 extern void pack_r16 (gfc_array_r16 *, const gfc_array_r16 *,
1005                      const gfc_array_l1 *, const gfc_array_r16 *);
1006 internal_proto(pack_r16);
1007 #endif
1008
1009 extern void pack_c4 (gfc_array_c4 *, const gfc_array_c4 *,
1010                      const gfc_array_l1 *, const gfc_array_c4 *);
1011 internal_proto(pack_c4);
1012
1013 extern void pack_c8 (gfc_array_c8 *, const gfc_array_c8 *,
1014                      const gfc_array_l1 *, const gfc_array_c8 *);
1015 internal_proto(pack_c8);
1016
1017 #ifdef HAVE_GFC_REAL_10
1018 extern void pack_c10 (gfc_array_c10 *, const gfc_array_c10 *,
1019                      const gfc_array_l1 *, const gfc_array_c10 *);
1020 internal_proto(pack_c10);
1021 #endif
1022
1023 #ifdef HAVE_GFC_REAL_16
1024 extern void pack_c16 (gfc_array_c16 *, const gfc_array_c16 *,
1025                      const gfc_array_l1 *, const gfc_array_c16 *);
1026 internal_proto(pack_c16);
1027 #endif
1028
1029 /* Internal auxiliary functions for the unpack intrinsic.  */
1030
1031 extern void unpack0_i1 (gfc_array_i1 *, const gfc_array_i1 *,
1032                         const gfc_array_l1 *, const GFC_INTEGER_1 *);
1033 internal_proto(unpack0_i1);
1034
1035 extern void unpack0_i2 (gfc_array_i2 *, const gfc_array_i2 *,
1036                         const gfc_array_l1 *, const GFC_INTEGER_2 *);
1037 internal_proto(unpack0_i2);
1038
1039 extern void unpack0_i4 (gfc_array_i4 *, const gfc_array_i4 *,
1040                         const gfc_array_l1 *, const GFC_INTEGER_4 *);
1041 internal_proto(unpack0_i4);
1042
1043 extern void unpack0_i8 (gfc_array_i8 *, const gfc_array_i8 *,
1044                         const gfc_array_l1 *, const GFC_INTEGER_8 *);
1045 internal_proto(unpack0_i8);
1046
1047 #ifdef HAVE_GFC_INTEGER_16
1048
1049 extern void unpack0_i16 (gfc_array_i16 *, const gfc_array_i16 *,
1050                          const gfc_array_l1 *, const GFC_INTEGER_16 *);
1051 internal_proto(unpack0_i16);
1052
1053 #endif
1054
1055 extern void unpack0_r4 (gfc_array_r4 *, const gfc_array_r4 *,
1056                         const gfc_array_l1 *, const GFC_REAL_4 *);
1057 internal_proto(unpack0_r4);
1058
1059 extern void unpack0_r8 (gfc_array_r8 *, const gfc_array_r8 *,
1060                         const gfc_array_l1 *, const GFC_REAL_8 *);
1061 internal_proto(unpack0_r8);
1062
1063 #ifdef HAVE_GFC_REAL_10
1064
1065 extern void unpack0_r10 (gfc_array_r10 *, const gfc_array_r10 *,
1066                          const gfc_array_l1 *, const GFC_REAL_10 *);
1067 internal_proto(unpack0_r10);
1068
1069 #endif
1070
1071 #ifdef HAVE_GFC_REAL_16
1072
1073 extern void unpack0_r16 (gfc_array_r16 *, const gfc_array_r16 *,
1074                          const gfc_array_l1 *, const GFC_REAL_16 *);
1075 internal_proto(unpack0_r16);
1076
1077 #endif
1078
1079 extern void unpack0_c4 (gfc_array_c4 *, const gfc_array_c4 *,
1080                         const gfc_array_l1 *, const GFC_COMPLEX_4 *);
1081 internal_proto(unpack0_c4);
1082
1083 extern void unpack0_c8 (gfc_array_c8 *, const gfc_array_c8 *,
1084                         const gfc_array_l1 *, const GFC_COMPLEX_8 *);
1085 internal_proto(unpack0_c8);
1086
1087 #ifdef HAVE_GFC_COMPLEX_10
1088
1089 extern void unpack0_c10 (gfc_array_c10 *, const gfc_array_c10 *,
1090                          const gfc_array_l1 *mask, const GFC_COMPLEX_10 *);
1091 internal_proto(unpack0_c10);
1092
1093 #endif
1094
1095 #ifdef HAVE_GFC_COMPLEX_16
1096
1097 extern void unpack0_c16 (gfc_array_c16 *, const gfc_array_c16 *,
1098                          const gfc_array_l1 *, const GFC_COMPLEX_16 *);
1099 internal_proto(unpack0_c16);
1100
1101 #endif
1102
1103 extern void unpack1_i1 (gfc_array_i1 *, const gfc_array_i1 *,
1104                         const gfc_array_l1 *, const gfc_array_i1 *);
1105 internal_proto(unpack1_i1);
1106
1107 extern void unpack1_i2 (gfc_array_i2 *, const gfc_array_i2 *,
1108                         const gfc_array_l1 *, const gfc_array_i2 *);
1109 internal_proto(unpack1_i2);
1110
1111 extern void unpack1_i4 (gfc_array_i4 *, const gfc_array_i4 *,
1112                         const gfc_array_l1 *, const gfc_array_i4 *);
1113 internal_proto(unpack1_i4);
1114
1115 extern void unpack1_i8 (gfc_array_i8 *, const gfc_array_i8 *,
1116                         const gfc_array_l1 *, const gfc_array_i8 *);
1117 internal_proto(unpack1_i8);
1118
1119 #ifdef HAVE_GFC_INTEGER_16
1120 extern void unpack1_i16 (gfc_array_i16 *, const gfc_array_i16 *,
1121                          const gfc_array_l1 *, const gfc_array_i16 *);
1122 internal_proto(unpack1_i16);
1123 #endif
1124
1125 extern void unpack1_r4 (gfc_array_r4 *, const gfc_array_r4 *,
1126                         const gfc_array_l1 *, const gfc_array_r4 *);
1127 internal_proto(unpack1_r4);
1128
1129 extern void unpack1_r8 (gfc_array_r8 *, const gfc_array_r8 *,
1130                         const gfc_array_l1 *, const gfc_array_r8 *);
1131 internal_proto(unpack1_r8);
1132
1133 #ifdef HAVE_GFC_REAL_10
1134 extern void unpack1_r10 (gfc_array_r10 *, const gfc_array_r10 *,
1135                          const gfc_array_l1 *, const gfc_array_r10 *);
1136 internal_proto(unpack1_r10);
1137 #endif
1138
1139 #ifdef HAVE_GFC_REAL_16
1140 extern void unpack1_r16 (gfc_array_r16 *, const gfc_array_r16 *,
1141                          const gfc_array_l1 *, const gfc_array_r16 *);
1142 internal_proto(unpack1_r16);
1143 #endif
1144
1145 extern void unpack1_c4 (gfc_array_c4 *, const gfc_array_c4 *,
1146                         const gfc_array_l1 *, const gfc_array_c4 *);
1147 internal_proto(unpack1_c4);
1148
1149 extern void unpack1_c8 (gfc_array_c8 *, const gfc_array_c8 *,
1150                         const gfc_array_l1 *, const gfc_array_c8 *);
1151 internal_proto(unpack1_c8);
1152
1153 #ifdef HAVE_GFC_COMPLEX_10
1154 extern void unpack1_c10 (gfc_array_c10 *, const gfc_array_c10 *,
1155                          const gfc_array_l1 *, const gfc_array_c10 *);
1156 internal_proto(unpack1_c10);
1157 #endif
1158
1159 #ifdef HAVE_GFC_COMPLEX_16
1160 extern void unpack1_c16 (gfc_array_c16 *, const gfc_array_c16 *,
1161                          const gfc_array_l1 *, const gfc_array_c16 *);
1162 internal_proto(unpack1_c16);
1163 #endif
1164
1165 /* Helper functions for spread.  */
1166
1167 extern void spread_i1 (gfc_array_i1 *, const gfc_array_i1 *,
1168                        const index_type, const index_type);
1169 internal_proto(spread_i1);
1170
1171 extern void spread_i2 (gfc_array_i2 *, const gfc_array_i2 *,
1172                        const index_type, const index_type);
1173 internal_proto(spread_i2);
1174
1175 extern void spread_i4 (gfc_array_i4 *, const gfc_array_i4 *,
1176                        const index_type, const index_type);
1177 internal_proto(spread_i4);
1178
1179 extern void spread_i8 (gfc_array_i8 *, const gfc_array_i8 *,
1180                        const index_type, const index_type);
1181 internal_proto(spread_i8);
1182
1183 #ifdef HAVE_GFC_INTEGER_16
1184 extern void spread_i16 (gfc_array_i16 *, const gfc_array_i16 *,
1185                        const index_type, const index_type);
1186 internal_proto(spread_i16);
1187
1188 #endif
1189
1190 extern void spread_r4 (gfc_array_r4 *, const gfc_array_r4 *,
1191                        const index_type, const index_type);
1192 internal_proto(spread_r4);
1193
1194 extern void spread_r8 (gfc_array_r8 *, const gfc_array_r8 *,
1195                        const index_type, const index_type);
1196 internal_proto(spread_r8);
1197
1198 #ifdef HAVE_GFC_REAL_10
1199 extern void spread_r10 (gfc_array_r10 *, const gfc_array_r10 *,
1200                        const index_type, const index_type);
1201 internal_proto(spread_r10);
1202
1203 #endif
1204
1205 #ifdef HAVE_GFC_REAL_16
1206 extern void spread_r16 (gfc_array_r16 *, const gfc_array_r16 *,
1207                        const index_type, const index_type);
1208 internal_proto(spread_r16);
1209
1210 #endif
1211
1212 extern void spread_c4 (gfc_array_c4 *, const gfc_array_c4 *,
1213                        const index_type, const index_type);
1214 internal_proto(spread_c4);
1215
1216 extern void spread_c8 (gfc_array_c8 *, const gfc_array_c8 *,
1217                        const index_type, const index_type);
1218 internal_proto(spread_c8);
1219
1220 #ifdef HAVE_GFC_COMPLEX_10
1221 extern void spread_c10 (gfc_array_c10 *, const gfc_array_c10 *,
1222                        const index_type, const index_type);
1223 internal_proto(spread_c10);
1224
1225 #endif
1226
1227 #ifdef HAVE_GFC_COMPLEX_16
1228 extern void spread_c16 (gfc_array_c16 *, const gfc_array_c16 *,
1229                        const index_type, const index_type);
1230 internal_proto(spread_c16);
1231
1232 #endif
1233
1234 extern void spread_scalar_i1 (gfc_array_i1 *, const GFC_INTEGER_1 *,
1235                               const index_type, const index_type);
1236 internal_proto(spread_scalar_i1);
1237
1238 extern void spread_scalar_i2 (gfc_array_i2 *, const GFC_INTEGER_2 *,
1239                               const index_type, const index_type);
1240 internal_proto(spread_scalar_i2);
1241
1242 extern void spread_scalar_i4 (gfc_array_i4 *, const GFC_INTEGER_4 *,
1243                               const index_type, const index_type);
1244 internal_proto(spread_scalar_i4);
1245
1246 extern void spread_scalar_i8 (gfc_array_i8 *, const GFC_INTEGER_8 *,
1247                               const index_type, const index_type);
1248 internal_proto(spread_scalar_i8);
1249
1250 #ifdef HAVE_GFC_INTEGER_16
1251 extern void spread_scalar_i16 (gfc_array_i16 *, const GFC_INTEGER_16 *,
1252                                const index_type, const index_type);
1253 internal_proto(spread_scalar_i16);
1254
1255 #endif
1256
1257 extern void spread_scalar_r4 (gfc_array_r4 *, const GFC_REAL_4 *,
1258                               const index_type, const index_type);
1259 internal_proto(spread_scalar_r4);
1260
1261 extern void spread_scalar_r8 (gfc_array_r8 *, const GFC_REAL_8 *,
1262                               const index_type, const index_type);
1263 internal_proto(spread_scalar_r8);
1264
1265 #ifdef HAVE_GFC_REAL_10
1266 extern void spread_scalar_r10 (gfc_array_r10 *, const GFC_REAL_10 *,
1267                                const index_type, const index_type);
1268 internal_proto(spread_scalar_r10);
1269
1270 #endif
1271
1272 #ifdef HAVE_GFC_REAL_16
1273 extern void spread_scalar_r16 (gfc_array_r16 *, const GFC_REAL_16 *,
1274                                const index_type, const index_type);
1275 internal_proto(spread_scalar_r16);
1276
1277 #endif
1278
1279 extern void spread_scalar_c4 (gfc_array_c4 *, const GFC_COMPLEX_4 *,
1280                               const index_type, const index_type);
1281 internal_proto(spread_scalar_c4);
1282
1283 extern void spread_scalar_c8 (gfc_array_c8 *, const GFC_COMPLEX_8 *,
1284                               const index_type, const index_type);
1285 internal_proto(spread_scalar_c8);
1286
1287 #ifdef HAVE_GFC_COMPLEX_10
1288 extern void spread_scalar_c10 (gfc_array_c10 *, const GFC_COMPLEX_10 *,
1289                                const index_type, const index_type);
1290 internal_proto(spread_scalar_c10);
1291
1292 #endif
1293
1294 #ifdef HAVE_GFC_COMPLEX_16
1295 extern void spread_scalar_c16 (gfc_array_c16 *, const GFC_COMPLEX_16 *,
1296                                const index_type, const index_type);
1297 internal_proto(spread_scalar_c16);
1298
1299 #endif
1300
1301 /* string_intrinsics.c */
1302
1303 extern int compare_string (gfc_charlen_type, const char *,
1304                            gfc_charlen_type, const char *);
1305 iexport_proto(compare_string);
1306
1307 extern int compare_string_char4 (gfc_charlen_type, const gfc_char4_t *,
1308                                  gfc_charlen_type, const gfc_char4_t *);
1309 iexport_proto(compare_string_char4);
1310
1311 extern int memcmp_char4 (const void *, const void *, size_t);
1312 internal_proto(memcmp_char4);
1313
1314
1315 /* random.c */
1316
1317 extern void random_seed_i4 (GFC_INTEGER_4 * size, gfc_array_i4 * put,
1318                             gfc_array_i4 * get);
1319 iexport_proto(random_seed_i4);
1320 extern void random_seed_i8 (GFC_INTEGER_8 * size, gfc_array_i8 * put,
1321                             gfc_array_i8 * get);
1322 iexport_proto(random_seed_i8);
1323
1324 /* size.c */
1325
1326 typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, void) array_t;
1327
1328 extern index_type size0 (const array_t * array);
1329 iexport_proto(size0);
1330
1331 /* bounds.c */
1332
1333 extern void bounds_equal_extents (array_t *, array_t *, const char *,
1334                                   const char *);
1335 internal_proto(bounds_equal_extents);
1336
1337 extern void bounds_reduced_extents (array_t *, array_t *, int, const char *,
1338                              const char *intrinsic);
1339 internal_proto(bounds_reduced_extents);
1340
1341 extern void bounds_iforeach_return (array_t *, array_t *, const char *);
1342 internal_proto(bounds_iforeach_return);
1343
1344 extern void bounds_ifunction_return (array_t *, const index_type *,
1345                                      const char *, const char *);
1346 internal_proto(bounds_ifunction_return);
1347
1348 extern index_type count_0 (const gfc_array_l1 *);
1349
1350 internal_proto(count_0);
1351
1352 /* Internal auxiliary functions for cshift */
1353
1354 void cshift0_i1 (gfc_array_i1 *, const gfc_array_i1 *, ptrdiff_t, int);
1355 internal_proto(cshift0_i1);
1356
1357 void cshift0_i2 (gfc_array_i2 *, const gfc_array_i2 *, ptrdiff_t, int);
1358 internal_proto(cshift0_i2);
1359
1360 void cshift0_i4 (gfc_array_i4 *, const gfc_array_i4 *, ptrdiff_t, int);
1361 internal_proto(cshift0_i4);
1362
1363 void cshift0_i8 (gfc_array_i8 *, const gfc_array_i8 *, ptrdiff_t, int);
1364 internal_proto(cshift0_i8);
1365
1366 #ifdef HAVE_GFC_INTEGER_16
1367 void cshift0_i16 (gfc_array_i16 *, const gfc_array_i16 *, ptrdiff_t, int);
1368 internal_proto(cshift0_i16);
1369 #endif
1370
1371 void cshift0_r4 (gfc_array_r4 *, const gfc_array_r4 *, ptrdiff_t, int);
1372 internal_proto(cshift0_r4);
1373
1374 void cshift0_r8 (gfc_array_r8 *, const gfc_array_r8 *, ptrdiff_t, int);
1375 internal_proto(cshift0_r8);
1376
1377 #ifdef HAVE_GFC_REAL_10
1378 void cshift0_r10 (gfc_array_r10 *, const gfc_array_r10 *, ptrdiff_t, int);
1379 internal_proto(cshift0_r10);
1380 #endif
1381
1382 #ifdef HAVE_GFC_REAL_16
1383 void cshift0_r16 (gfc_array_r16 *, const gfc_array_r16 *, ptrdiff_t, int);
1384 internal_proto(cshift0_r16);
1385 #endif
1386
1387 void cshift0_c4 (gfc_array_c4 *, const gfc_array_c4 *, ptrdiff_t, int);
1388 internal_proto(cshift0_c4);
1389
1390 void cshift0_c8 (gfc_array_c8 *, const gfc_array_c8 *, ptrdiff_t, int);
1391 internal_proto(cshift0_c8);
1392
1393 #ifdef HAVE_GFC_COMPLEX_10
1394 void cshift0_c10 (gfc_array_c10 *, const gfc_array_c10 *, ptrdiff_t, int);
1395 internal_proto(cshift0_c10);
1396 #endif
1397
1398 #ifdef HAVE_GFC_COMPLEX_16
1399 void cshift0_c16 (gfc_array_c16 *, const gfc_array_c16 *, ptrdiff_t, int);
1400 internal_proto(cshift0_c16);
1401 #endif
1402
1403 #endif  /* LIBGFOR_H  */