github.com/afumu/libc@v0.0.6/sys/types/types_linux_riscv64.go (about)

     1  // Code generated by 'ccgo sys/types/gen.c -crt-import-path "" -export-defines "" -export-enums "" -export-externs X -export-fields F -export-structs "" -export-typedefs "" -header -hide _OSSwapInt16,_OSSwapInt32,_OSSwapInt64 -o sys/types/types_linux_riscv64.go -pkgname types', DO NOT EDIT.
     2  
     3  package types
     4  
     5  import (
     6  	"math"
     7  	"reflect"
     8  	"sync/atomic"
     9  	"unsafe"
    10  )
    11  
    12  var _ = math.Pi
    13  var _ reflect.Kind
    14  var _ atomic.Value
    15  var _ unsafe.Pointer
    16  
    17  const (
    18  	BIG_ENDIAN                   = 4321
    19  	BYTE_ORDER                   = 1234
    20  	FD_SETSIZE                   = 1024
    21  	LITTLE_ENDIAN                = 1234
    22  	PDP_ENDIAN                   = 3412
    23  	X_ATFILE_SOURCE              = 1
    24  	X_BITS_BYTESWAP_H            = 1
    25  	X_BITS_ENDIANNESS_H          = 1
    26  	X_BITS_ENDIAN_H              = 1
    27  	X_BITS_PTHREADTYPES_ARCH_H   = 1
    28  	X_BITS_PTHREADTYPES_COMMON_H = 1
    29  	X_BITS_STDINT_INTN_H         = 1
    30  	X_BITS_TIME64_H              = 1
    31  	X_BITS_TYPESIZES_H           = 1
    32  	X_BITS_TYPES_H               = 1
    33  	X_BITS_UINTN_IDENTITY_H      = 1
    34  	X_BSD_SIZE_T_                = 0
    35  	X_BSD_SIZE_T_DEFINED_        = 0
    36  	X_DEFAULT_SOURCE             = 1
    37  	X_ENDIAN_H                   = 1
    38  	X_FEATURES_H                 = 1
    39  	X_FILE_OFFSET_BITS           = 64
    40  	X_GCC_SIZE_T                 = 0
    41  	X_LP64                       = 1
    42  	X_POSIX_C_SOURCE             = 200809
    43  	X_POSIX_SOURCE               = 1
    44  	X_RWLOCK_INTERNAL_H          = 0
    45  	X_SIZET_                     = 0
    46  	X_SIZE_T                     = 0
    47  	X_SIZE_T_                    = 0
    48  	X_SIZE_T_DECLARED            = 0
    49  	X_SIZE_T_DEFINED             = 0
    50  	X_SIZE_T_DEFINED_            = 0
    51  	X_STDC_PREDEF_H              = 1
    52  	X_STRUCT_TIMESPEC            = 1
    53  	X_SYS_CDEFS_H                = 1
    54  	X_SYS_SELECT_H               = 1
    55  	X_SYS_SIZE_T_H               = 0
    56  	X_SYS_TYPES_H                = 1
    57  	X_THREAD_MUTEX_INTERNAL_H    = 1
    58  	X_THREAD_SHARED_TYPES_H      = 1
    59  	X_T_SIZE                     = 0
    60  	X_T_SIZE_                    = 0
    61  	Linux                        = 1
    62  	Unix                         = 1
    63  )
    64  
    65  type Ptrdiff_t = int64 /* <builtin>:3:26 */
    66  
    67  type Size_t = uint64 /* <builtin>:9:23 */
    68  
    69  type Wchar_t = int32 /* <builtin>:15:24 */
    70  
    71  type X__int128_t = struct {
    72  	Flo int64
    73  	Fhi int64
    74  } /* <builtin>:21:43 */ // must match modernc.org/mathutil.Int128
    75  type X__uint128_t = struct {
    76  	Flo uint64
    77  	Fhi uint64
    78  } /* <builtin>:22:44 */ // must match modernc.org/mathutil.Int128
    79  
    80  type X__builtin_va_list = uintptr /* <builtin>:46:14 */
    81  type X__float128 = float64        /* <builtin>:47:21 */
    82  
    83  // Copyright (C) 1991-2021 Free Software Foundation, Inc.
    84  //    This file is part of the GNU C Library.
    85  //
    86  //    The GNU C Library is free software; you can redistribute it and/or
    87  //    modify it under the terms of the GNU Lesser General Public
    88  //    License as published by the Free Software Foundation; either
    89  //    version 2.1 of the License, or (at your option) any later version.
    90  //
    91  //    The GNU C Library is distributed in the hope that it will be useful,
    92  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
    93  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    94  //    Lesser General Public License for more details.
    95  //
    96  //    You should have received a copy of the GNU Lesser General Public
    97  //    License along with the GNU C Library; if not, see
    98  //    <https://www.gnu.org/licenses/>.
    99  
   100  //	POSIX Standard: 2.6 Primitive System Data Types	<sys/types.h>
   101  
   102  // Copyright (C) 1991-2021 Free Software Foundation, Inc.
   103  //    This file is part of the GNU C Library.
   104  //
   105  //    The GNU C Library is free software; you can redistribute it and/or
   106  //    modify it under the terms of the GNU Lesser General Public
   107  //    License as published by the Free Software Foundation; either
   108  //    version 2.1 of the License, or (at your option) any later version.
   109  //
   110  //    The GNU C Library is distributed in the hope that it will be useful,
   111  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   112  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   113  //    Lesser General Public License for more details.
   114  //
   115  //    You should have received a copy of the GNU Lesser General Public
   116  //    License along with the GNU C Library; if not, see
   117  //    <https://www.gnu.org/licenses/>.
   118  
   119  // These are defined by the user (or the compiler)
   120  //    to specify the desired environment:
   121  //
   122  //    __STRICT_ANSI__	ISO Standard C.
   123  //    _ISOC99_SOURCE	Extensions to ISO C89 from ISO C99.
   124  //    _ISOC11_SOURCE	Extensions to ISO C99 from ISO C11.
   125  //    _ISOC2X_SOURCE	Extensions to ISO C99 from ISO C2X.
   126  //    __STDC_WANT_LIB_EXT2__
   127  // 			Extensions to ISO C99 from TR 27431-2:2010.
   128  //    __STDC_WANT_IEC_60559_BFP_EXT__
   129  // 			Extensions to ISO C11 from TS 18661-1:2014.
   130  //    __STDC_WANT_IEC_60559_FUNCS_EXT__
   131  // 			Extensions to ISO C11 from TS 18661-4:2015.
   132  //    __STDC_WANT_IEC_60559_TYPES_EXT__
   133  // 			Extensions to ISO C11 from TS 18661-3:2015.
   134  //    __STDC_WANT_IEC_60559_EXT__
   135  // 			ISO C2X interfaces defined only in Annex F.
   136  //
   137  //    _POSIX_SOURCE	IEEE Std 1003.1.
   138  //    _POSIX_C_SOURCE	If ==1, like _POSIX_SOURCE; if >=2 add IEEE Std 1003.2;
   139  // 			if >=199309L, add IEEE Std 1003.1b-1993;
   140  // 			if >=199506L, add IEEE Std 1003.1c-1995;
   141  // 			if >=200112L, all of IEEE 1003.1-2004
   142  // 			if >=200809L, all of IEEE 1003.1-2008
   143  //    _XOPEN_SOURCE	Includes POSIX and XPG things.  Set to 500 if
   144  // 			Single Unix conformance is wanted, to 600 for the
   145  // 			sixth revision, to 700 for the seventh revision.
   146  //    _XOPEN_SOURCE_EXTENDED XPG things and X/Open Unix extensions.
   147  //    _LARGEFILE_SOURCE	Some more functions for correct standard I/O.
   148  //    _LARGEFILE64_SOURCE	Additional functionality from LFS for large files.
   149  //    _FILE_OFFSET_BITS=N	Select default filesystem interface.
   150  //    _ATFILE_SOURCE	Additional *at interfaces.
   151  //    _DYNAMIC_STACK_SIZE_SOURCE Select correct (but non compile-time constant)
   152  // 			MINSIGSTKSZ, SIGSTKSZ and PTHREAD_STACK_MIN.
   153  //    _GNU_SOURCE		All of the above, plus GNU extensions.
   154  //    _DEFAULT_SOURCE	The default set of features (taking precedence over
   155  // 			__STRICT_ANSI__).
   156  //
   157  //    _FORTIFY_SOURCE	Add security hardening to many library functions.
   158  // 			Set to 1 or 2; 2 performs stricter checks than 1.
   159  //
   160  //    _REENTRANT, _THREAD_SAFE
   161  // 			Obsolete; equivalent to _POSIX_C_SOURCE=199506L.
   162  //
   163  //    The `-ansi' switch to the GNU C compiler, and standards conformance
   164  //    options such as `-std=c99', define __STRICT_ANSI__.  If none of
   165  //    these are defined, or if _DEFAULT_SOURCE is defined, the default is
   166  //    to have _POSIX_SOURCE set to one and _POSIX_C_SOURCE set to
   167  //    200809L, as well as enabling miscellaneous functions from BSD and
   168  //    SVID.  If more than one of these are defined, they accumulate.  For
   169  //    example __STRICT_ANSI__, _POSIX_SOURCE and _POSIX_C_SOURCE together
   170  //    give you ISO C, 1003.1, and 1003.2, but nothing else.
   171  //
   172  //    These are defined by this file and are used by the
   173  //    header files to decide what to declare or define:
   174  //
   175  //    __GLIBC_USE (F)	Define things from feature set F.  This is defined
   176  // 			to 1 or 0; the subsequent macros are either defined
   177  // 			or undefined, and those tests should be moved to
   178  // 			__GLIBC_USE.
   179  //    __USE_ISOC11		Define ISO C11 things.
   180  //    __USE_ISOC99		Define ISO C99 things.
   181  //    __USE_ISOC95		Define ISO C90 AMD1 (C95) things.
   182  //    __USE_ISOCXX11	Define ISO C++11 things.
   183  //    __USE_POSIX		Define IEEE Std 1003.1 things.
   184  //    __USE_POSIX2		Define IEEE Std 1003.2 things.
   185  //    __USE_POSIX199309	Define IEEE Std 1003.1, and .1b things.
   186  //    __USE_POSIX199506	Define IEEE Std 1003.1, .1b, .1c and .1i things.
   187  //    __USE_XOPEN		Define XPG things.
   188  //    __USE_XOPEN_EXTENDED	Define X/Open Unix things.
   189  //    __USE_UNIX98		Define Single Unix V2 things.
   190  //    __USE_XOPEN2K        Define XPG6 things.
   191  //    __USE_XOPEN2KXSI     Define XPG6 XSI things.
   192  //    __USE_XOPEN2K8       Define XPG7 things.
   193  //    __USE_XOPEN2K8XSI    Define XPG7 XSI things.
   194  //    __USE_LARGEFILE	Define correct standard I/O things.
   195  //    __USE_LARGEFILE64	Define LFS things with separate names.
   196  //    __USE_FILE_OFFSET64	Define 64bit interface as default.
   197  //    __USE_MISC		Define things from 4.3BSD or System V Unix.
   198  //    __USE_ATFILE		Define *at interfaces and AT_* constants for them.
   199  //    __USE_DYNAMIC_STACK_SIZE Define correct (but non compile-time constant)
   200  // 			MINSIGSTKSZ, SIGSTKSZ and PTHREAD_STACK_MIN.
   201  //    __USE_GNU		Define GNU extensions.
   202  //    __USE_FORTIFY_LEVEL	Additional security measures used, according to level.
   203  //
   204  //    The macros `__GNU_LIBRARY__', `__GLIBC__', and `__GLIBC_MINOR__' are
   205  //    defined by this file unconditionally.  `__GNU_LIBRARY__' is provided
   206  //    only for compatibility.  All new code should use the other symbols
   207  //    to test for features.
   208  //
   209  //    All macros listed above as possibly being defined by this file are
   210  //    explicitly undefined if they are not explicitly defined.
   211  //    Feature-test macros that are not defined by the user or compiler
   212  //    but are implied by the other feature-test macros defined (or by the
   213  //    lack of any definitions) are defined by the file.
   214  //
   215  //    ISO C feature test macros depend on the definition of the macro
   216  //    when an affected header is included, not when the first system
   217  //    header is included, and so they are handled in
   218  //    <bits/libc-header-start.h>, which does not have a multiple include
   219  //    guard.  Feature test macros that can be handled from the first
   220  //    system header included are handled here.
   221  
   222  // Undefine everything, so we get a clean slate.
   223  
   224  // Suppress kernel-name space pollution unless user expressedly asks
   225  //    for it.
   226  
   227  // Convenience macro to test the version of gcc.
   228  //    Use like this:
   229  //    #if __GNUC_PREREQ (2,8)
   230  //    ... code requiring gcc 2.8 or later ...
   231  //    #endif
   232  //    Note: only works for GCC 2.0 and later, because __GNUC_MINOR__ was
   233  //    added in 2.0.
   234  
   235  // Similarly for clang.  Features added to GCC after version 4.2 may
   236  //    or may not also be available in clang, and clang's definitions of
   237  //    __GNUC(_MINOR)__ are fixed at 4 and 2 respectively.  Not all such
   238  //    features can be queried via __has_extension/__has_feature.
   239  
   240  // Whether to use feature set F.
   241  
   242  // _BSD_SOURCE and _SVID_SOURCE are deprecated aliases for
   243  //    _DEFAULT_SOURCE.  If _DEFAULT_SOURCE is present we do not
   244  //    issue a warning; the expectation is that the source is being
   245  //    transitioned to use the new macro.
   246  
   247  // If _GNU_SOURCE was defined by the user, turn on all the other features.
   248  
   249  // If nothing (other than _GNU_SOURCE and _DEFAULT_SOURCE) is defined,
   250  //    define _DEFAULT_SOURCE.
   251  
   252  // This is to enable the ISO C2X extension.
   253  
   254  // This is to enable the ISO C11 extension.
   255  
   256  // This is to enable the ISO C99 extension.
   257  
   258  // This is to enable the ISO C90 Amendment 1:1995 extension.
   259  
   260  // If none of the ANSI/POSIX macros are defined, or if _DEFAULT_SOURCE
   261  //    is defined, use POSIX.1-2008 (or another version depending on
   262  //    _XOPEN_SOURCE).
   263  
   264  // Some C libraries once required _REENTRANT and/or _THREAD_SAFE to be
   265  //    defined in all multithreaded code.  GNU libc has not required this
   266  //    for many years.  We now treat them as compatibility synonyms for
   267  //    _POSIX_C_SOURCE=199506L, which is the earliest level of POSIX with
   268  //    comprehensive support for multithreaded code.  Using them never
   269  //    lowers the selected level of POSIX conformance, only raises it.
   270  
   271  // Features part to handle 64-bit time_t support.
   272  //    Copyright (C) 2021 Free Software Foundation, Inc.
   273  //    This file is part of the GNU C Library.
   274  //
   275  //    The GNU C Library is free software; you can redistribute it and/or
   276  //    modify it under the terms of the GNU Lesser General Public
   277  //    License as published by the Free Software Foundation; either
   278  //    version 2.1 of the License, or (at your option) any later version.
   279  //
   280  //    The GNU C Library is distributed in the hope that it will be useful,
   281  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   282  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   283  //    Lesser General Public License for more details.
   284  //
   285  //    You should have received a copy of the GNU Lesser General Public
   286  //    License along with the GNU C Library; if not, see
   287  //    <https://www.gnu.org/licenses/>.
   288  
   289  // We need to know the word size in order to check the time size.
   290  // Determine the wordsize from the preprocessor defines.  RISC-V version.
   291  //    Copyright (C) 2002-2021 Free Software Foundation, Inc.
   292  //    This file is part of the GNU C Library.
   293  //
   294  //    The GNU C Library is free software; you can redistribute it and/or
   295  //    modify it under the terms of the GNU Lesser General Public
   296  //    License as published by the Free Software Foundation; either
   297  //    version 2.1 of the License, or (at your option) any later version.
   298  //
   299  //    The GNU C Library is distributed in the hope that it will be useful,
   300  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   301  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   302  //    Lesser General Public License for more details.
   303  //
   304  //    You should have received a copy of the GNU Lesser General Public
   305  //    License along with the GNU C Library.  If not, see
   306  //    <https://www.gnu.org/licenses/>.
   307  
   308  // Bit size of the time_t type at glibc build time, RISC-V case.
   309  //    Copyright (C) 2020-2021 Free Software Foundation, Inc.
   310  //    This file is part of the GNU C Library.
   311  //
   312  //    The GNU C Library is free software; you can redistribute it and/or
   313  //    modify it under the terms of the GNU Lesser General Public
   314  //    License as published by the Free Software Foundation; either
   315  //    version 2.1 of the License, or (at your option) any later version.
   316  //
   317  //    The GNU C Library is distributed in the hope that it will be useful,
   318  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   319  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   320  //    Lesser General Public License for more details.
   321  //
   322  //    You should have received a copy of the GNU Lesser General Public
   323  //    License along with the GNU C Library; if not, see
   324  //    <https://www.gnu.org/licenses/>.
   325  
   326  // Determine the wordsize from the preprocessor defines.  RISC-V version.
   327  //    Copyright (C) 2002-2021 Free Software Foundation, Inc.
   328  //    This file is part of the GNU C Library.
   329  //
   330  //    The GNU C Library is free software; you can redistribute it and/or
   331  //    modify it under the terms of the GNU Lesser General Public
   332  //    License as published by the Free Software Foundation; either
   333  //    version 2.1 of the License, or (at your option) any later version.
   334  //
   335  //    The GNU C Library is distributed in the hope that it will be useful,
   336  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   337  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   338  //    Lesser General Public License for more details.
   339  //
   340  //    You should have received a copy of the GNU Lesser General Public
   341  //    License along with the GNU C Library.  If not, see
   342  //    <https://www.gnu.org/licenses/>.
   343  
   344  // RV32 and RV64 both use 64-bit time_t
   345  
   346  // The function 'gets' existed in C89, but is impossible to use
   347  //    safely.  It has been removed from ISO C11 and ISO C++14.  Note: for
   348  //    compatibility with various implementations of <cstdio>, this test
   349  //    must consider only the value of __cplusplus when compiling C++.
   350  
   351  // GNU formerly extended the scanf functions with modified format
   352  //    specifiers %as, %aS, and %a[...] that allocate a buffer for the
   353  //    input using malloc.  This extension conflicts with ISO C99, which
   354  //    defines %a as a standalone format specifier that reads a floating-
   355  //    point number; moreover, POSIX.1-2008 provides the same feature
   356  //    using the modifier letter 'm' instead (%ms, %mS, %m[...]).
   357  //
   358  //    We now follow C99 unless GNU extensions are active and the compiler
   359  //    is specifically in C89 or C++98 mode (strict or not).  For
   360  //    instance, with GCC, -std=gnu11 will have C99-compliant scanf with
   361  //    or without -D_GNU_SOURCE, but -std=c89 -D_GNU_SOURCE will have the
   362  //    old extension.
   363  
   364  // Get definitions of __STDC_* predefined macros, if the compiler has
   365  //    not preincluded this header automatically.
   366  // Copyright (C) 1991-2021 Free Software Foundation, Inc.
   367  //    This file is part of the GNU C Library.
   368  //
   369  //    The GNU C Library is free software; you can redistribute it and/or
   370  //    modify it under the terms of the GNU Lesser General Public
   371  //    License as published by the Free Software Foundation; either
   372  //    version 2.1 of the License, or (at your option) any later version.
   373  //
   374  //    The GNU C Library is distributed in the hope that it will be useful,
   375  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   376  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   377  //    Lesser General Public License for more details.
   378  //
   379  //    You should have received a copy of the GNU Lesser General Public
   380  //    License along with the GNU C Library; if not, see
   381  //    <https://www.gnu.org/licenses/>.
   382  
   383  // This macro indicates that the installed library is the GNU C Library.
   384  //    For historic reasons the value now is 6 and this will stay from now
   385  //    on.  The use of this variable is deprecated.  Use __GLIBC__ and
   386  //    __GLIBC_MINOR__ now (see below) when you want to test for a specific
   387  //    GNU C library version and use the values in <gnu/lib-names.h> to get
   388  //    the sonames of the shared libraries.
   389  
   390  // Major and minor version number of the GNU C library package.  Use
   391  //    these macros to test for features in specific releases.
   392  
   393  // This is here only because every header file already includes this one.
   394  // Copyright (C) 1992-2021 Free Software Foundation, Inc.
   395  //    This file is part of the GNU C Library.
   396  //
   397  //    The GNU C Library is free software; you can redistribute it and/or
   398  //    modify it under the terms of the GNU Lesser General Public
   399  //    License as published by the Free Software Foundation; either
   400  //    version 2.1 of the License, or (at your option) any later version.
   401  //
   402  //    The GNU C Library is distributed in the hope that it will be useful,
   403  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   404  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   405  //    Lesser General Public License for more details.
   406  //
   407  //    You should have received a copy of the GNU Lesser General Public
   408  //    License along with the GNU C Library; if not, see
   409  //    <https://www.gnu.org/licenses/>.
   410  
   411  // We are almost always included from features.h.
   412  
   413  // The GNU libc does not support any K&R compilers or the traditional mode
   414  //    of ISO C compilers anymore.  Check for some of the combinations not
   415  //    supported anymore.
   416  
   417  // Some user header file might have defined this before.
   418  
   419  // Compilers that lack __has_attribute may object to
   420  //        #if defined __has_attribute && __has_attribute (...)
   421  //    even though they do not need to evaluate the right-hand side of the &&.
   422  //    Similarly for __has_builtin, etc.
   423  
   424  // All functions, except those with callbacks or those that
   425  //    synchronize memory, are leaf functions.
   426  
   427  // GCC can always grok prototypes.  For C++ programs we add throw()
   428  //    to help it optimize the function calls.  But this only works with
   429  //    gcc 2.8.x and egcs.  For gcc 3.4 and up we even mark C functions
   430  //    as non-throwing using a function attribute since programs can use
   431  //    the -fexceptions options for C code as well.
   432  
   433  // These two macros are not used in glibc anymore.  They are kept here
   434  //    only because some other projects expect the macros to be defined.
   435  
   436  // For these things, GCC behaves the ANSI way normally,
   437  //    and the non-ANSI way under -traditional.
   438  
   439  // This is not a typedef so `const __ptr_t' does the right thing.
   440  
   441  // C++ needs to know that types and declarations are C, not C++.
   442  
   443  // Fortify support.
   444  
   445  // Use __builtin_dynamic_object_size at _FORTIFY_SOURCE=3 when available.
   446  
   447  // Support for flexible arrays.
   448  //    Headers that should use flexible arrays only if they're "real"
   449  //    (e.g. only if they won't affect sizeof()) should test
   450  //    #if __glibc_c99_flexarr_available.
   451  
   452  // __asm__ ("xyz") is used throughout the headers to rename functions
   453  //    at the assembly language level.  This is wrapped by the __REDIRECT
   454  //    macro, in order to support compilers that can do this some other
   455  //    way.  When compilers don't support asm-names at all, we have to do
   456  //    preprocessor tricks instead (which don't have exactly the right
   457  //    semantics, but it's the best we can do).
   458  //
   459  //    Example:
   460  //    int __REDIRECT(setpgrp, (__pid_t pid, __pid_t pgrp), setpgid);
   461  
   462  //
   463  // #elif __SOME_OTHER_COMPILER__
   464  //
   465  // # define __REDIRECT(name, proto, alias) name proto; 	_Pragma("let " #name " = " #alias)
   466  
   467  // GCC and clang have various useful declarations that can be made with
   468  //    the '__attribute__' syntax.  All of the ways we use this do fine if
   469  //    they are omitted for compilers that don't understand it.
   470  
   471  // At some point during the gcc 2.96 development the `malloc' attribute
   472  //    for functions was introduced.  We don't want to use it unconditionally
   473  //    (although this would be possible) since it generates warnings.
   474  
   475  // Tell the compiler which arguments to an allocation function
   476  //    indicate the size of the allocation.
   477  
   478  // At some point during the gcc 2.96 development the `pure' attribute
   479  //    for functions was introduced.  We don't want to use it unconditionally
   480  //    (although this would be possible) since it generates warnings.
   481  
   482  // This declaration tells the compiler that the value is constant.
   483  
   484  // At some point during the gcc 3.1 development the `used' attribute
   485  //    for functions was introduced.  We don't want to use it unconditionally
   486  //    (although this would be possible) since it generates warnings.
   487  
   488  // Since version 3.2, gcc allows marking deprecated functions.
   489  
   490  // Since version 4.5, gcc also allows one to specify the message printed
   491  //    when a deprecated function is used.  clang claims to be gcc 4.2, but
   492  //    may also support this feature.
   493  
   494  // At some point during the gcc 2.8 development the `format_arg' attribute
   495  //    for functions was introduced.  We don't want to use it unconditionally
   496  //    (although this would be possible) since it generates warnings.
   497  //    If several `format_arg' attributes are given for the same function, in
   498  //    gcc-3.0 and older, all but the last one are ignored.  In newer gccs,
   499  //    all designated arguments are considered.
   500  
   501  // At some point during the gcc 2.97 development the `strfmon' format
   502  //    attribute for functions was introduced.  We don't want to use it
   503  //    unconditionally (although this would be possible) since it
   504  //    generates warnings.
   505  
   506  // The nonnull function attribute marks pointer parameters that
   507  //    must not be NULL.
   508  
   509  // The returns_nonnull function attribute marks the return type of the function
   510  //    as always being non-null.
   511  
   512  // If fortification mode, we warn about unused results of certain
   513  //    function calls which can lead to problems.
   514  
   515  // Forces a function to be always inlined.
   516  // The Linux kernel defines __always_inline in stddef.h (283d7573), and
   517  //    it conflicts with this definition.  Therefore undefine it first to
   518  //    allow either header to be included first.
   519  
   520  // Associate error messages with the source location of the call site rather
   521  //    than with the source location inside the function.
   522  
   523  // GCC 4.3 and above with -std=c99 or -std=gnu99 implements ISO C99
   524  //    inline semantics, unless -fgnu89-inline is used.  Using __GNUC_STDC_INLINE__
   525  //    or __GNUC_GNU_INLINE is not a good enough check for gcc because gcc versions
   526  //    older than 4.3 may define these macros and still not guarantee GNU inlining
   527  //    semantics.
   528  //
   529  //    clang++ identifies itself as gcc-4.2, but has support for GNU inlining
   530  //    semantics, that can be checked for by using the __GNUC_STDC_INLINE_ and
   531  //    __GNUC_GNU_INLINE__ macro definitions.
   532  
   533  // GCC 4.3 and above allow passing all anonymous arguments of an
   534  //    __extern_always_inline function to some other vararg function.
   535  
   536  // It is possible to compile containing GCC extensions even if GCC is
   537  //    run in pedantic mode if the uses are carefully marked using the
   538  //    `__extension__' keyword.  But this is not generally available before
   539  //    version 2.8.
   540  
   541  // __restrict is known in EGCS 1.2 and above, and in clang.
   542  //    It works also in C++ mode (outside of arrays), but only when spelled
   543  //    as '__restrict', not 'restrict'.
   544  
   545  // ISO C99 also allows to declare arrays as non-overlapping.  The syntax is
   546  //      array_name[restrict]
   547  //    GCC 3.1 and clang support this.
   548  //    This syntax is not usable in C++ mode.
   549  
   550  // Describes a char array whose address can safely be passed as the first
   551  //    argument to strncpy and strncat, as the char array is not necessarily
   552  //    a NUL-terminated string.
   553  
   554  // Undefine (also defined in libc-symbols.h).
   555  // Copies attributes from the declaration or type referenced by
   556  //    the argument.
   557  
   558  // The #ifndef lets Gnulib avoid including these on non-glibc
   559  //    platforms, where the includes typically do not exist.
   560  // Determine the wordsize from the preprocessor defines.  RISC-V version.
   561  //    Copyright (C) 2002-2021 Free Software Foundation, Inc.
   562  //    This file is part of the GNU C Library.
   563  //
   564  //    The GNU C Library is free software; you can redistribute it and/or
   565  //    modify it under the terms of the GNU Lesser General Public
   566  //    License as published by the Free Software Foundation; either
   567  //    version 2.1 of the License, or (at your option) any later version.
   568  //
   569  //    The GNU C Library is distributed in the hope that it will be useful,
   570  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   571  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   572  //    Lesser General Public License for more details.
   573  //
   574  //    You should have received a copy of the GNU Lesser General Public
   575  //    License along with the GNU C Library.  If not, see
   576  //    <https://www.gnu.org/licenses/>.
   577  
   578  // Properties of long double type.  ldbl-128 version.
   579  //    Copyright (C) 2016-2021 Free Software Foundation, Inc.
   580  //    This file is part of the GNU C Library.
   581  //
   582  //    The GNU C Library is free software; you can redistribute it and/or
   583  //    modify it under the terms of the GNU Lesser General Public
   584  //    License  published by the Free Software Foundation; either
   585  //    version 2.1 of the License, or (at your option) any later version.
   586  //
   587  //    The GNU C Library is distributed in the hope that it will be useful,
   588  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   589  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   590  //    Lesser General Public License for more details.
   591  //
   592  //    You should have received a copy of the GNU Lesser General Public
   593  //    License along with the GNU C Library; if not, see
   594  //    <https://www.gnu.org/licenses/>.
   595  
   596  // long double is distinct from double, so there is nothing to
   597  //    define here.
   598  
   599  // __glibc_macro_warning (MESSAGE) issues warning MESSAGE.  This is
   600  //    intended for use in preprocessor macros.
   601  //
   602  //    Note: MESSAGE must be a _single_ string; concatenation of string
   603  //    literals is not supported.
   604  
   605  // Generic selection (ISO C11) is a C-only feature, available in GCC
   606  //    since version 4.9.  Previous versions do not provide generic
   607  //    selection, even though they might set __STDC_VERSION__ to 201112L,
   608  //    when in -std=c11 mode.  Thus, we must check for !defined __GNUC__
   609  //    when testing __STDC_VERSION__ for generic selection support.
   610  //    On the other hand, Clang also defines __GNUC__, so a clang-specific
   611  //    check is required to enable the use of generic selection.
   612  
   613  // Designates a 1-based positional argument ref-index of pointer type
   614  //    that can be used to access size-index elements of the pointed-to
   615  //    array according to access mode, or at least one element when
   616  //    size-index is not provided:
   617  //      access (access-mode, <ref-index> [, <size-index>])
   618  
   619  // Designates dealloc as a function to call to deallocate objects
   620  //    allocated by the declared function.
   621  
   622  // Specify that a function such as setjmp or vfork may return
   623  //    twice.
   624  
   625  // If we don't have __REDIRECT, prototypes will be missing if
   626  //    __USE_FILE_OFFSET64 but not __USE_LARGEFILE[64].
   627  
   628  // Decide whether we can define 'extern inline' functions in headers.
   629  
   630  // This is here only because every header file already includes this one.
   631  //    Get the definitions of all the appropriate `__stub_FUNCTION' symbols.
   632  //    <gnu/stubs.h> contains `#define __stub_FUNCTION' when FUNCTION is a stub
   633  //    that will always return failure (and set errno to ENOSYS).
   634  // This file is automatically generated.
   635  //    This file selects the right generated file of `__stub_FUNCTION' macros
   636  //    based on the architecture being compiled for.
   637  
   638  // Determine the wordsize from the preprocessor defines.  RISC-V version.
   639  //    Copyright (C) 2002-2021 Free Software Foundation, Inc.
   640  //    This file is part of the GNU C Library.
   641  //
   642  //    The GNU C Library is free software; you can redistribute it and/or
   643  //    modify it under the terms of the GNU Lesser General Public
   644  //    License as published by the Free Software Foundation; either
   645  //    version 2.1 of the License, or (at your option) any later version.
   646  //
   647  //    The GNU C Library is distributed in the hope that it will be useful,
   648  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   649  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   650  //    Lesser General Public License for more details.
   651  //
   652  //    You should have received a copy of the GNU Lesser General Public
   653  //    License along with the GNU C Library.  If not, see
   654  //    <https://www.gnu.org/licenses/>.
   655  
   656  // This file is automatically generated.
   657  //    It defines a symbol `__stub_FUNCTION' for each function
   658  //    in the C library which is a stub, meaning it will fail
   659  //    every time called, usually setting errno to ENOSYS.
   660  
   661  // bits/types.h -- definitions of __*_t types underlying *_t types.
   662  //    Copyright (C) 2002-2021 Free Software Foundation, Inc.
   663  //    This file is part of the GNU C Library.
   664  //
   665  //    The GNU C Library is free software; you can redistribute it and/or
   666  //    modify it under the terms of the GNU Lesser General Public
   667  //    License as published by the Free Software Foundation; either
   668  //    version 2.1 of the License, or (at your option) any later version.
   669  //
   670  //    The GNU C Library is distributed in the hope that it will be useful,
   671  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   672  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   673  //    Lesser General Public License for more details.
   674  //
   675  //    You should have received a copy of the GNU Lesser General Public
   676  //    License along with the GNU C Library; if not, see
   677  //    <https://www.gnu.org/licenses/>.
   678  
   679  // Never include this file directly; use <sys/types.h> instead.
   680  
   681  // Copyright (C) 1991-2021 Free Software Foundation, Inc.
   682  //    This file is part of the GNU C Library.
   683  //
   684  //    The GNU C Library is free software; you can redistribute it and/or
   685  //    modify it under the terms of the GNU Lesser General Public
   686  //    License as published by the Free Software Foundation; either
   687  //    version 2.1 of the License, or (at your option) any later version.
   688  //
   689  //    The GNU C Library is distributed in the hope that it will be useful,
   690  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   691  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   692  //    Lesser General Public License for more details.
   693  //
   694  //    You should have received a copy of the GNU Lesser General Public
   695  //    License along with the GNU C Library; if not, see
   696  //    <https://www.gnu.org/licenses/>.
   697  
   698  // Determine the wordsize from the preprocessor defines.  RISC-V version.
   699  //    Copyright (C) 2002-2021 Free Software Foundation, Inc.
   700  //    This file is part of the GNU C Library.
   701  //
   702  //    The GNU C Library is free software; you can redistribute it and/or
   703  //    modify it under the terms of the GNU Lesser General Public
   704  //    License as published by the Free Software Foundation; either
   705  //    version 2.1 of the License, or (at your option) any later version.
   706  //
   707  //    The GNU C Library is distributed in the hope that it will be useful,
   708  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   709  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   710  //    Lesser General Public License for more details.
   711  //
   712  //    You should have received a copy of the GNU Lesser General Public
   713  //    License along with the GNU C Library.  If not, see
   714  //    <https://www.gnu.org/licenses/>.
   715  
   716  // Bit size of the time_t type at glibc build time, RISC-V case.
   717  //    Copyright (C) 2020-2021 Free Software Foundation, Inc.
   718  //    This file is part of the GNU C Library.
   719  //
   720  //    The GNU C Library is free software; you can redistribute it and/or
   721  //    modify it under the terms of the GNU Lesser General Public
   722  //    License as published by the Free Software Foundation; either
   723  //    version 2.1 of the License, or (at your option) any later version.
   724  //
   725  //    The GNU C Library is distributed in the hope that it will be useful,
   726  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   727  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   728  //    Lesser General Public License for more details.
   729  //
   730  //    You should have received a copy of the GNU Lesser General Public
   731  //    License along with the GNU C Library; if not, see
   732  //    <https://www.gnu.org/licenses/>.
   733  
   734  // Determine the wordsize from the preprocessor defines.  RISC-V version.
   735  //    Copyright (C) 2002-2021 Free Software Foundation, Inc.
   736  //    This file is part of the GNU C Library.
   737  //
   738  //    The GNU C Library is free software; you can redistribute it and/or
   739  //    modify it under the terms of the GNU Lesser General Public
   740  //    License as published by the Free Software Foundation; either
   741  //    version 2.1 of the License, or (at your option) any later version.
   742  //
   743  //    The GNU C Library is distributed in the hope that it will be useful,
   744  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   745  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   746  //    Lesser General Public License for more details.
   747  //
   748  //    You should have received a copy of the GNU Lesser General Public
   749  //    License along with the GNU C Library.  If not, see
   750  //    <https://www.gnu.org/licenses/>.
   751  
   752  // RV32 and RV64 both use 64-bit time_t
   753  
   754  // Convenience types.
   755  type X__u_char = uint8   /* types.h:31:23 */
   756  type X__u_short = uint16 /* types.h:32:28 */
   757  type X__u_int = uint32   /* types.h:33:22 */
   758  type X__u_long = uint64  /* types.h:34:27 */
   759  
   760  // Fixed-size types, underlying types depend on word size and compiler.
   761  type X__int8_t = int8     /* types.h:37:21 */
   762  type X__uint8_t = uint8   /* types.h:38:23 */
   763  type X__int16_t = int16   /* types.h:39:26 */
   764  type X__uint16_t = uint16 /* types.h:40:28 */
   765  type X__int32_t = int32   /* types.h:41:20 */
   766  type X__uint32_t = uint32 /* types.h:42:22 */
   767  type X__int64_t = int64   /* types.h:44:25 */
   768  type X__uint64_t = uint64 /* types.h:45:27 */
   769  
   770  // Smallest types with at least a given width.
   771  type X__int_least8_t = X__int8_t     /* types.h:52:18 */
   772  type X__uint_least8_t = X__uint8_t   /* types.h:53:19 */
   773  type X__int_least16_t = X__int16_t   /* types.h:54:19 */
   774  type X__uint_least16_t = X__uint16_t /* types.h:55:20 */
   775  type X__int_least32_t = X__int32_t   /* types.h:56:19 */
   776  type X__uint_least32_t = X__uint32_t /* types.h:57:20 */
   777  type X__int_least64_t = X__int64_t   /* types.h:58:19 */
   778  type X__uint_least64_t = X__uint64_t /* types.h:59:20 */
   779  
   780  // quad_t is also 64 bits.
   781  type X__quad_t = int64    /* types.h:63:18 */
   782  type X__u_quad_t = uint64 /* types.h:64:27 */
   783  
   784  // Largest integral types.
   785  type X__intmax_t = int64   /* types.h:72:18 */
   786  type X__uintmax_t = uint64 /* types.h:73:27 */
   787  
   788  // The machine-dependent file <bits/typesizes.h> defines __*_T_TYPE
   789  //    macros for each of the OS types we define below.  The definitions
   790  //    of those macros must use the following macros for underlying types.
   791  //    We define __S<SIZE>_TYPE and __U<SIZE>_TYPE for the signed and unsigned
   792  //    variants of each of the following integer types on this machine.
   793  //
   794  // 	16		-- "natural" 16-bit type (always short)
   795  // 	32		-- "natural" 32-bit type (always int)
   796  // 	64		-- "natural" 64-bit type (long or long long)
   797  // 	LONG32		-- 32-bit type, traditionally long
   798  // 	QUAD		-- 64-bit type, traditionally long long
   799  // 	WORD		-- natural type of __WORDSIZE bits (int or long)
   800  // 	LONGWORD	-- type of __WORDSIZE bits, traditionally long
   801  //
   802  //    We distinguish WORD/LONGWORD, 32/LONG32, and 64/QUAD so that the
   803  //    conventional uses of `long' or `long long' type modifiers match the
   804  //    types we define, even when a less-adorned type would be the same size.
   805  //    This matters for (somewhat) portably writing printf/scanf formats for
   806  //    these types, where using the appropriate l or ll format modifiers can
   807  //    make the typedefs and the formats match up across all GNU platforms.  If
   808  //    we used `long' when it's 64 bits where `long long' is expected, then the
   809  //    compiler would warn about the formats not matching the argument types,
   810  //    and the programmer changing them to shut up the compiler would break the
   811  //    program's portability.
   812  //
   813  //    Here we assume what is presently the case in all the GCC configurations
   814  //    we support: long long is always 64 bits, long is always word/address size,
   815  //    and int is always 32 bits.
   816  
   817  // No need to mark the typedef with __extension__.
   818  // bits/typesizes.h -- underlying types for *_t.  For the generic Linux ABI.
   819  //    Copyright (C) 2011-2021 Free Software Foundation, Inc.
   820  //    This file is part of the GNU C Library.
   821  //    Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
   822  //
   823  //    The GNU C Library is free software; you can redistribute it and/or
   824  //    modify it under the terms of the GNU Lesser General Public
   825  //    License as published by the Free Software Foundation; either
   826  //    version 2.1 of the License, or (at your option) any later version.
   827  //
   828  //    The GNU C Library is distributed in the hope that it will be useful,
   829  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   830  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   831  //    Lesser General Public License for more details.
   832  //
   833  //    You should have received a copy of the GNU Lesser General Public
   834  //    License along with the GNU C Library.  If not, see
   835  //    <https://www.gnu.org/licenses/>.
   836  
   837  // See <bits/types.h> for the meaning of these macros.  This file exists so
   838  //    that <bits/types.h> need not vary across different GNU platforms.
   839  
   840  // Tell the libc code that off_t and off64_t are actually the same type
   841  //    for all ABI purposes, even if possibly expressed as different base types
   842  //    for C type-checking purposes.
   843  
   844  // Same for ino_t and ino64_t.
   845  
   846  // And for __rlim_t and __rlim64_t.
   847  
   848  // And for fsblkcnt_t, fsblkcnt64_t, fsfilcnt_t and fsfilcnt64_t.
   849  
   850  // And for getitimer, setitimer and rusage
   851  
   852  // Number of descriptors that can fit in an `fd_set'.
   853  
   854  // bits/time64.h -- underlying types for __time64_t.  RISC-V version.
   855  //    Copyright (C) 2020-2021 Free Software Foundation, Inc.
   856  //    This file is part of the GNU C Library.
   857  //
   858  //    The GNU C Library is free software; you can redistribute it and/or
   859  //    modify it under the terms of the GNU Lesser General Public
   860  //    License as published by the Free Software Foundation; either
   861  //    version 2.1 of the License, or (at your option) any later version.
   862  //
   863  //    The GNU C Library is distributed in the hope that it will be useful,
   864  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   865  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   866  //    Lesser General Public License for more details.
   867  //
   868  //    You should have received a copy of the GNU Lesser General Public
   869  //    License along with the GNU C Library; if not, see
   870  //    <https://www.gnu.org/licenses/>.
   871  
   872  // Define __TIME64_T_TYPE so that it is always a 64-bit type.
   873  
   874  // If we already have 64-bit time type then use it.
   875  
   876  type X__dev_t = uint64                     /* types.h:145:25 */ // Type of device numbers.
   877  type X__uid_t = uint32                     /* types.h:146:25 */ // Type of user identifications.
   878  type X__gid_t = uint32                     /* types.h:147:25 */ // Type of group identifications.
   879  type X__ino_t = uint64                     /* types.h:148:25 */ // Type of file serial numbers.
   880  type X__ino64_t = uint64                   /* types.h:149:27 */ // Type of file serial numbers (LFS).
   881  type X__mode_t = uint32                    /* types.h:150:26 */ // Type of file attribute bitmasks.
   882  type X__nlink_t = uint32                   /* types.h:151:27 */ // Type of file link counts.
   883  type X__off_t = int64                      /* types.h:152:25 */ // Type of file sizes and offsets.
   884  type X__off64_t = int64                    /* types.h:153:27 */ // Type of file sizes and offsets (LFS).
   885  type X__pid_t = int32                      /* types.h:154:25 */ // Type of process identifications.
   886  type X__fsid_t = struct{ F__val [2]int32 } /* types.h:155:26 */ // Type of file system IDs.
   887  type X__clock_t = int64                    /* types.h:156:27 */ // Type of CPU usage counts.
   888  type X__rlim_t = uint64                    /* types.h:157:26 */ // Type for resource measurement.
   889  type X__rlim64_t = uint64                  /* types.h:158:28 */ // Type for resource measurement (LFS).
   890  type X__id_t = uint32                      /* types.h:159:24 */ // General type for IDs.
   891  type X__time_t = int64                     /* types.h:160:26 */ // Seconds since the Epoch.
   892  type X__useconds_t = uint32                /* types.h:161:30 */ // Count of microseconds.
   893  type X__suseconds_t = int64                /* types.h:162:31 */ // Signed count of microseconds.
   894  type X__suseconds64_t = int64              /* types.h:163:33 */
   895  
   896  type X__daddr_t = int32 /* types.h:165:27 */ // The type of a disk address.
   897  type X__key_t = int32   /* types.h:166:25 */ // Type of an IPC key.
   898  
   899  // Clock ID used in clock and timer functions.
   900  type X__clockid_t = int32 /* types.h:169:29 */
   901  
   902  // Timer ID returned by `timer_create'.
   903  type X__timer_t = uintptr /* types.h:172:12 */
   904  
   905  // Type to represent block size.
   906  type X__blksize_t = int32 /* types.h:175:29 */
   907  
   908  // Types from the Large File Support interface.
   909  
   910  // Type to count number of disk blocks.
   911  type X__blkcnt_t = int64   /* types.h:180:28 */
   912  type X__blkcnt64_t = int64 /* types.h:181:30 */
   913  
   914  // Type to count file system blocks.
   915  type X__fsblkcnt_t = uint64   /* types.h:184:30 */
   916  type X__fsblkcnt64_t = uint64 /* types.h:185:32 */
   917  
   918  // Type to count file system nodes.
   919  type X__fsfilcnt_t = uint64   /* types.h:188:30 */
   920  type X__fsfilcnt64_t = uint64 /* types.h:189:32 */
   921  
   922  // Type of miscellaneous file system fields.
   923  type X__fsword_t = int64 /* types.h:192:28 */
   924  
   925  type X__ssize_t = int64 /* types.h:194:27 */ // Type of a byte count, or error.
   926  
   927  // Signed long type used in system calls.
   928  type X__syscall_slong_t = int64 /* types.h:197:33 */
   929  // Unsigned long type used in system calls.
   930  type X__syscall_ulong_t = uint64 /* types.h:199:33 */
   931  
   932  // These few don't really vary by system, they always correspond
   933  //
   934  //	to one of the other defined types.
   935  type X__loff_t = X__off64_t /* types.h:203:19 */ // Type of file sizes and offsets (LFS).
   936  type X__caddr_t = uintptr   /* types.h:204:14 */
   937  
   938  // Duplicates info from stdint.h but this is used in unistd.h.
   939  type X__intptr_t = int64 /* types.h:207:25 */
   940  
   941  // Duplicate info from sys/socket.h.
   942  type X__socklen_t = uint32 /* types.h:210:23 */
   943  
   944  // C99: An integer type that can be accessed as an atomic entity,
   945  //
   946  //	even in the presence of asynchronous interrupts.
   947  //	It is not currently necessary for this to be machine-specific.
   948  type X__sig_atomic_t = int32 /* types.h:215:13 */
   949  
   950  // Seconds since the Epoch, visible to user code when time_t is too
   951  //    narrow only for consistency with the old way of widening too-narrow
   952  //    types.  User code should never use __time64_t.
   953  
   954  type U_char = X__u_char     /* types.h:33:18 */
   955  type U_short = X__u_short   /* types.h:34:19 */
   956  type U_int = X__u_int       /* types.h:35:17 */
   957  type U_long = X__u_long     /* types.h:36:18 */
   958  type Quad_t = X__quad_t     /* types.h:37:18 */
   959  type U_quad_t = X__u_quad_t /* types.h:38:20 */
   960  type Fsid_t = X__fsid_t     /* types.h:39:18 */
   961  type Loff_t = X__loff_t     /* types.h:42:18 */
   962  
   963  type Ino_t = X__ino64_t /* types.h:49:19 */
   964  
   965  type Dev_t = X__dev_t /* types.h:59:17 */
   966  
   967  type Gid_t = X__gid_t /* types.h:64:17 */
   968  
   969  type Mode_t = X__mode_t /* types.h:69:18 */
   970  
   971  type Nlink_t = X__nlink_t /* types.h:74:19 */
   972  
   973  type Uid_t = X__uid_t /* types.h:79:17 */
   974  
   975  type Off_t = X__off64_t /* types.h:87:19 */
   976  
   977  type Pid_t = X__pid_t /* types.h:97:17 */
   978  
   979  type Id_t = X__id_t /* types.h:103:16 */
   980  
   981  type Ssize_t = X__ssize_t /* types.h:108:19 */
   982  
   983  type Daddr_t = X__daddr_t /* types.h:114:19 */
   984  type Caddr_t = X__caddr_t /* types.h:115:19 */
   985  
   986  type Key_t = X__key_t /* types.h:121:17 */
   987  
   988  // bits/types.h -- definitions of __*_t types underlying *_t types.
   989  //    Copyright (C) 2002-2021 Free Software Foundation, Inc.
   990  //    This file is part of the GNU C Library.
   991  //
   992  //    The GNU C Library is free software; you can redistribute it and/or
   993  //    modify it under the terms of the GNU Lesser General Public
   994  //    License as published by the Free Software Foundation; either
   995  //    version 2.1 of the License, or (at your option) any later version.
   996  //
   997  //    The GNU C Library is distributed in the hope that it will be useful,
   998  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   999  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1000  //    Lesser General Public License for more details.
  1001  //
  1002  //    You should have received a copy of the GNU Lesser General Public
  1003  //    License along with the GNU C Library; if not, see
  1004  //    <https://www.gnu.org/licenses/>.
  1005  
  1006  // Never include this file directly; use <sys/types.h> instead.
  1007  
  1008  // Returned by `clock'.
  1009  type Clock_t = X__clock_t /* clock_t.h:7:19 */
  1010  
  1011  // bits/types.h -- definitions of __*_t types underlying *_t types.
  1012  //    Copyright (C) 2002-2021 Free Software Foundation, Inc.
  1013  //    This file is part of the GNU C Library.
  1014  //
  1015  //    The GNU C Library is free software; you can redistribute it and/or
  1016  //    modify it under the terms of the GNU Lesser General Public
  1017  //    License as published by the Free Software Foundation; either
  1018  //    version 2.1 of the License, or (at your option) any later version.
  1019  //
  1020  //    The GNU C Library is distributed in the hope that it will be useful,
  1021  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1022  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1023  //    Lesser General Public License for more details.
  1024  //
  1025  //    You should have received a copy of the GNU Lesser General Public
  1026  //    License along with the GNU C Library; if not, see
  1027  //    <https://www.gnu.org/licenses/>.
  1028  
  1029  // Never include this file directly; use <sys/types.h> instead.
  1030  
  1031  // Clock ID used in clock and timer functions.
  1032  type Clockid_t = X__clockid_t /* clockid_t.h:7:21 */
  1033  
  1034  // bits/types.h -- definitions of __*_t types underlying *_t types.
  1035  //    Copyright (C) 2002-2021 Free Software Foundation, Inc.
  1036  //    This file is part of the GNU C Library.
  1037  //
  1038  //    The GNU C Library is free software; you can redistribute it and/or
  1039  //    modify it under the terms of the GNU Lesser General Public
  1040  //    License as published by the Free Software Foundation; either
  1041  //    version 2.1 of the License, or (at your option) any later version.
  1042  //
  1043  //    The GNU C Library is distributed in the hope that it will be useful,
  1044  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1045  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1046  //    Lesser General Public License for more details.
  1047  //
  1048  //    You should have received a copy of the GNU Lesser General Public
  1049  //    License along with the GNU C Library; if not, see
  1050  //    <https://www.gnu.org/licenses/>.
  1051  
  1052  // Never include this file directly; use <sys/types.h> instead.
  1053  
  1054  // Returned by `time'.
  1055  type Time_t = X__time_t /* time_t.h:10:18 */
  1056  
  1057  // bits/types.h -- definitions of __*_t types underlying *_t types.
  1058  //    Copyright (C) 2002-2021 Free Software Foundation, Inc.
  1059  //    This file is part of the GNU C Library.
  1060  //
  1061  //    The GNU C Library is free software; you can redistribute it and/or
  1062  //    modify it under the terms of the GNU Lesser General Public
  1063  //    License as published by the Free Software Foundation; either
  1064  //    version 2.1 of the License, or (at your option) any later version.
  1065  //
  1066  //    The GNU C Library is distributed in the hope that it will be useful,
  1067  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1068  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1069  //    Lesser General Public License for more details.
  1070  //
  1071  //    You should have received a copy of the GNU Lesser General Public
  1072  //    License along with the GNU C Library; if not, see
  1073  //    <https://www.gnu.org/licenses/>.
  1074  
  1075  // Never include this file directly; use <sys/types.h> instead.
  1076  
  1077  // Timer ID returned by `timer_create'.
  1078  type Timer_t = X__timer_t /* timer_t.h:7:19 */
  1079  
  1080  // Wide character type.
  1081  //    Locale-writers should change this as necessary to
  1082  //    be big enough to hold unique values not between 0 and 127,
  1083  //    and not (wchar_t) -1, for each defined multibyte character.
  1084  
  1085  // Define this type if we are doing the whole job,
  1086  //    or if we want this type in particular.
  1087  
  1088  // A null pointer constant.
  1089  
  1090  // Old compatibility names for C types.
  1091  type Ulong = uint64  /* types.h:148:27 */
  1092  type Ushort = uint16 /* types.h:149:28 */
  1093  type Uint = uint32   /* types.h:150:22 */
  1094  
  1095  // These size-specific names are used by some of the inet code.
  1096  
  1097  // Define intN_t types.
  1098  //    Copyright (C) 2017-2021 Free Software Foundation, Inc.
  1099  //    This file is part of the GNU C Library.
  1100  //
  1101  //    The GNU C Library is free software; you can redistribute it and/or
  1102  //    modify it under the terms of the GNU Lesser General Public
  1103  //    License as published by the Free Software Foundation; either
  1104  //    version 2.1 of the License, or (at your option) any later version.
  1105  //
  1106  //    The GNU C Library is distributed in the hope that it will be useful,
  1107  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1108  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1109  //    Lesser General Public License for more details.
  1110  //
  1111  //    You should have received a copy of the GNU Lesser General Public
  1112  //    License along with the GNU C Library; if not, see
  1113  //    <https://www.gnu.org/licenses/>.
  1114  
  1115  // bits/types.h -- definitions of __*_t types underlying *_t types.
  1116  //    Copyright (C) 2002-2021 Free Software Foundation, Inc.
  1117  //    This file is part of the GNU C Library.
  1118  //
  1119  //    The GNU C Library is free software; you can redistribute it and/or
  1120  //    modify it under the terms of the GNU Lesser General Public
  1121  //    License as published by the Free Software Foundation; either
  1122  //    version 2.1 of the License, or (at your option) any later version.
  1123  //
  1124  //    The GNU C Library is distributed in the hope that it will be useful,
  1125  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1126  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1127  //    Lesser General Public License for more details.
  1128  //
  1129  //    You should have received a copy of the GNU Lesser General Public
  1130  //    License along with the GNU C Library; if not, see
  1131  //    <https://www.gnu.org/licenses/>.
  1132  
  1133  // Never include this file directly; use <sys/types.h> instead.
  1134  
  1135  type Int8_t = X__int8_t   /* stdint-intn.h:24:18 */
  1136  type Int16_t = X__int16_t /* stdint-intn.h:25:19 */
  1137  type Int32_t = X__int32_t /* stdint-intn.h:26:19 */
  1138  type Int64_t = X__int64_t /* stdint-intn.h:27:19 */
  1139  
  1140  // These were defined by ISO C without the first `_'.
  1141  type U_int8_t = X__uint8_t   /* types.h:158:19 */
  1142  type U_int16_t = X__uint16_t /* types.h:159:20 */
  1143  type U_int32_t = X__uint32_t /* types.h:160:20 */
  1144  type U_int64_t = X__uint64_t /* types.h:161:20 */
  1145  
  1146  type Register_t = int32 /* types.h:164:13 */
  1147  
  1148  // It also defines `fd_set' and the FD_* macros for `select'.
  1149  // `fd_set' type and related macros, and `select'/`pselect' declarations.
  1150  //    Copyright (C) 1996-2021 Free Software Foundation, Inc.
  1151  //    This file is part of the GNU C Library.
  1152  //
  1153  //    The GNU C Library is free software; you can redistribute it and/or
  1154  //    modify it under the terms of the GNU Lesser General Public
  1155  //    License as published by the Free Software Foundation; either
  1156  //    version 2.1 of the License, or (at your option) any later version.
  1157  //
  1158  //    The GNU C Library is distributed in the hope that it will be useful,
  1159  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1160  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1161  //    Lesser General Public License for more details.
  1162  //
  1163  //    You should have received a copy of the GNU Lesser General Public
  1164  //    License along with the GNU C Library; if not, see
  1165  //    <https://www.gnu.org/licenses/>.
  1166  
  1167  //	POSIX 1003.1g: 6.2 Select from File Descriptor Sets <sys/select.h>
  1168  
  1169  // Copyright (C) 1991-2021 Free Software Foundation, Inc.
  1170  //    This file is part of the GNU C Library.
  1171  //
  1172  //    The GNU C Library is free software; you can redistribute it and/or
  1173  //    modify it under the terms of the GNU Lesser General Public
  1174  //    License as published by the Free Software Foundation; either
  1175  //    version 2.1 of the License, or (at your option) any later version.
  1176  //
  1177  //    The GNU C Library is distributed in the hope that it will be useful,
  1178  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1179  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1180  //    Lesser General Public License for more details.
  1181  //
  1182  //    You should have received a copy of the GNU Lesser General Public
  1183  //    License along with the GNU C Library; if not, see
  1184  //    <https://www.gnu.org/licenses/>.
  1185  
  1186  // Get definition of needed basic types.
  1187  // bits/types.h -- definitions of __*_t types underlying *_t types.
  1188  //    Copyright (C) 2002-2021 Free Software Foundation, Inc.
  1189  //    This file is part of the GNU C Library.
  1190  //
  1191  //    The GNU C Library is free software; you can redistribute it and/or
  1192  //    modify it under the terms of the GNU Lesser General Public
  1193  //    License as published by the Free Software Foundation; either
  1194  //    version 2.1 of the License, or (at your option) any later version.
  1195  //
  1196  //    The GNU C Library is distributed in the hope that it will be useful,
  1197  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1198  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1199  //    Lesser General Public License for more details.
  1200  //
  1201  //    You should have received a copy of the GNU Lesser General Public
  1202  //    License along with the GNU C Library; if not, see
  1203  //    <https://www.gnu.org/licenses/>.
  1204  
  1205  // Never include this file directly; use <sys/types.h> instead.
  1206  
  1207  // Get __FD_* definitions.
  1208  // Copyright (C) 1997-2021 Free Software Foundation, Inc.
  1209  //    This file is part of the GNU C Library.
  1210  //
  1211  //    The GNU C Library is free software; you can redistribute it and/or
  1212  //    modify it under the terms of the GNU Lesser General Public
  1213  //    License as published by the Free Software Foundation; either
  1214  //    version 2.1 of the License, or (at your option) any later version.
  1215  //
  1216  //    The GNU C Library is distributed in the hope that it will be useful,
  1217  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1218  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1219  //    Lesser General Public License for more details.
  1220  //
  1221  //    You should have received a copy of the GNU Lesser General Public
  1222  //    License along with the GNU C Library; if not, see
  1223  //    <https://www.gnu.org/licenses/>.
  1224  
  1225  // We don't use `memset' because this would require a prototype and
  1226  //    the array isn't too big.
  1227  
  1228  // Get sigset_t.
  1229  
  1230  type X__sigset_t = struct{ F__val [16]uint64 } /* __sigset_t.h:8:3 */
  1231  
  1232  // A set of signals to be blocked, unblocked, or waited for.
  1233  type Sigset_t = X__sigset_t /* sigset_t.h:7:20 */
  1234  
  1235  // Get definition of timer specification structures.
  1236  
  1237  // bits/types.h -- definitions of __*_t types underlying *_t types.
  1238  //    Copyright (C) 2002-2021 Free Software Foundation, Inc.
  1239  //    This file is part of the GNU C Library.
  1240  //
  1241  //    The GNU C Library is free software; you can redistribute it and/or
  1242  //    modify it under the terms of the GNU Lesser General Public
  1243  //    License as published by the Free Software Foundation; either
  1244  //    version 2.1 of the License, or (at your option) any later version.
  1245  //
  1246  //    The GNU C Library is distributed in the hope that it will be useful,
  1247  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1248  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1249  //    Lesser General Public License for more details.
  1250  //
  1251  //    You should have received a copy of the GNU Lesser General Public
  1252  //    License along with the GNU C Library; if not, see
  1253  //    <https://www.gnu.org/licenses/>.
  1254  
  1255  // Never include this file directly; use <sys/types.h> instead.
  1256  
  1257  // A time value that is accurate to the nearest
  1258  //
  1259  //	microsecond but also has a range of years.
  1260  type Timeval = struct {
  1261  	Ftv_sec  X__time_t
  1262  	Ftv_usec X__suseconds_t
  1263  } /* struct_timeval.h:8:1 */
  1264  
  1265  // NB: Include guard matches what <linux/time.h> uses.
  1266  
  1267  // bits/types.h -- definitions of __*_t types underlying *_t types.
  1268  //    Copyright (C) 2002-2021 Free Software Foundation, Inc.
  1269  //    This file is part of the GNU C Library.
  1270  //
  1271  //    The GNU C Library is free software; you can redistribute it and/or
  1272  //    modify it under the terms of the GNU Lesser General Public
  1273  //    License as published by the Free Software Foundation; either
  1274  //    version 2.1 of the License, or (at your option) any later version.
  1275  //
  1276  //    The GNU C Library is distributed in the hope that it will be useful,
  1277  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1278  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1279  //    Lesser General Public License for more details.
  1280  //
  1281  //    You should have received a copy of the GNU Lesser General Public
  1282  //    License along with the GNU C Library; if not, see
  1283  //    <https://www.gnu.org/licenses/>.
  1284  
  1285  // Never include this file directly; use <sys/types.h> instead.
  1286  
  1287  // Endian macros for string.h functions
  1288  //    Copyright (C) 1992-2021 Free Software Foundation, Inc.
  1289  //    This file is part of the GNU C Library.
  1290  //
  1291  //    The GNU C Library is free software; you can redistribute it and/or
  1292  //    modify it under the terms of the GNU Lesser General Public
  1293  //    License as published by the Free Software Foundation; either
  1294  //    version 2.1 of the License, or (at your option) any later version.
  1295  //
  1296  //    The GNU C Library is distributed in the hope that it will be useful,
  1297  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1298  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1299  //    Lesser General Public License for more details.
  1300  //
  1301  //    You should have received a copy of the GNU Lesser General Public
  1302  //    License along with the GNU C Library; if not, see
  1303  //    <http://www.gnu.org/licenses/>.
  1304  
  1305  // POSIX.1b structure for a time value.  This is like a `struct timeval' but
  1306  //
  1307  //	has nanoseconds instead of microseconds.
  1308  type Timespec = struct {
  1309  	Ftv_sec  X__time_t
  1310  	Ftv_nsec X__syscall_slong_t
  1311  } /* struct_timespec.h:11:1 */
  1312  
  1313  type Suseconds_t = X__suseconds_t /* select.h:43:23 */
  1314  
  1315  // The fd_set member is required to be an array of longs.
  1316  type X__fd_mask = int64 /* select.h:49:18 */
  1317  
  1318  // Some versions of <linux/posix_types.h> define this macros.
  1319  // It's easier to assume 8-bit bytes than to get CHAR_BIT.
  1320  
  1321  // fd_set for select and pselect.
  1322  type Fd_set = struct{ F__fds_bits [16]X__fd_mask } /* select.h:70:5 */
  1323  
  1324  // Maximum number of file descriptors in `fd_set'.
  1325  
  1326  // Sometimes the fd_set member is assumed to have this type.
  1327  type Fd_mask = X__fd_mask /* select.h:77:19 */
  1328  
  1329  // Define some inlines helping to catch common problems.
  1330  
  1331  type Blksize_t = X__blksize_t /* types.h:185:21 */
  1332  
  1333  // Types from the Large File Support interface.
  1334  type Blkcnt_t = X__blkcnt64_t     /* types.h:205:22 */ // Type to count number of disk blocks.
  1335  type Fsblkcnt_t = X__fsblkcnt64_t /* types.h:209:24 */ // Type to count file system blocks.
  1336  type Fsfilcnt_t = X__fsfilcnt64_t /* types.h:213:24 */ // Type to count file system inodes.
  1337  
  1338  // Now add the thread types.
  1339  // Declaration of common pthread types for all architectures.
  1340  //    Copyright (C) 2017-2021 Free Software Foundation, Inc.
  1341  //    This file is part of the GNU C Library.
  1342  //
  1343  //    The GNU C Library is free software; you can redistribute it and/or
  1344  //    modify it under the terms of the GNU Lesser General Public
  1345  //    License as published by the Free Software Foundation; either
  1346  //    version 2.1 of the License, or (at your option) any later version.
  1347  //
  1348  //    The GNU C Library is distributed in the hope that it will be useful,
  1349  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1350  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1351  //    Lesser General Public License for more details.
  1352  //
  1353  //    You should have received a copy of the GNU Lesser General Public
  1354  //    License along with the GNU C Library; if not, see
  1355  //    <https://www.gnu.org/licenses/>.
  1356  
  1357  // For internal mutex and condition variable definitions.
  1358  // Common threading primitives definitions for both POSIX and C11.
  1359  //    Copyright (C) 2017-2021 Free Software Foundation, Inc.
  1360  //    This file is part of the GNU C Library.
  1361  //
  1362  //    The GNU C Library is free software; you can redistribute it and/or
  1363  //    modify it under the terms of the GNU Lesser General Public
  1364  //    License as published by the Free Software Foundation; either
  1365  //    version 2.1 of the License, or (at your option) any later version.
  1366  //
  1367  //    The GNU C Library is distributed in the hope that it will be useful,
  1368  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1369  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1370  //    Lesser General Public License for more details.
  1371  //
  1372  //    You should have received a copy of the GNU Lesser General Public
  1373  //    License along with the GNU C Library; if not, see
  1374  //    <https://www.gnu.org/licenses/>.
  1375  
  1376  // Arch-specific definitions.  Each architecture must define the following
  1377  //    macros to define the expected sizes of pthread data types:
  1378  //
  1379  //    __SIZEOF_PTHREAD_ATTR_T        - size of pthread_attr_t.
  1380  //    __SIZEOF_PTHREAD_MUTEX_T       - size of pthread_mutex_t.
  1381  //    __SIZEOF_PTHREAD_MUTEXATTR_T   - size of pthread_mutexattr_t.
  1382  //    __SIZEOF_PTHREAD_COND_T        - size of pthread_cond_t.
  1383  //    __SIZEOF_PTHREAD_CONDATTR_T    - size of pthread_condattr_t.
  1384  //    __SIZEOF_PTHREAD_RWLOCK_T      - size of pthread_rwlock_t.
  1385  //    __SIZEOF_PTHREAD_RWLOCKATTR_T  - size of pthread_rwlockattr_t.
  1386  //    __SIZEOF_PTHREAD_BARRIER_T     - size of pthread_barrier_t.
  1387  //    __SIZEOF_PTHREAD_BARRIERATTR_T - size of pthread_barrierattr_t.
  1388  //
  1389  //    The additional macro defines any constraint for the lock alignment
  1390  //    inside the thread structures:
  1391  //
  1392  //    __LOCK_ALIGNMENT - for internal lock/futex usage.
  1393  //
  1394  //    Same idea but for the once locking primitive:
  1395  //
  1396  //    __ONCE_ALIGNMENT - for pthread_once_t/once_flag definition.
  1397  
  1398  // Machine-specific pthread type layouts.  RISC-V version.
  1399  //    Copyright (C) 2011-2021 Free Software Foundation, Inc.
  1400  //    This file is part of the GNU C Library.
  1401  //
  1402  //    The GNU C Library is free software; you can redistribute it and/or
  1403  //    modify it under the terms of the GNU Lesser General Public
  1404  //    License as published by the Free Software Foundation; either
  1405  //    version 2.1 of the License, or (at your option) any later version.
  1406  //
  1407  //    The GNU C Library is distributed in the hope that it will be useful,
  1408  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1409  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1410  //    Lesser General Public License for more details.
  1411  //
  1412  //    You should have received a copy of the GNU Lesser General Public
  1413  //    License along with the GNU C Library.  If not, see
  1414  //    <https://www.gnu.org/licenses/>.
  1415  
  1416  // Endian macros for string.h functions
  1417  //    Copyright (C) 1992-2021 Free Software Foundation, Inc.
  1418  //    This file is part of the GNU C Library.
  1419  //
  1420  //    The GNU C Library is free software; you can redistribute it and/or
  1421  //    modify it under the terms of the GNU Lesser General Public
  1422  //    License as published by the Free Software Foundation; either
  1423  //    version 2.1 of the License, or (at your option) any later version.
  1424  //
  1425  //    The GNU C Library is distributed in the hope that it will be useful,
  1426  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1427  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1428  //    Lesser General Public License for more details.
  1429  //
  1430  //    You should have received a copy of the GNU Lesser General Public
  1431  //    License along with the GNU C Library; if not, see
  1432  //    <http://www.gnu.org/licenses/>.
  1433  
  1434  // Common definition of pthread_mutex_t.
  1435  
  1436  type X__pthread_internal_list = struct {
  1437  	F__prev uintptr
  1438  	F__next uintptr
  1439  } /* thread-shared-types.h:49:9 */
  1440  
  1441  // Type to count file system inodes.
  1442  
  1443  // Now add the thread types.
  1444  // Declaration of common pthread types for all architectures.
  1445  //    Copyright (C) 2017-2021 Free Software Foundation, Inc.
  1446  //    This file is part of the GNU C Library.
  1447  //
  1448  //    The GNU C Library is free software; you can redistribute it and/or
  1449  //    modify it under the terms of the GNU Lesser General Public
  1450  //    License as published by the Free Software Foundation; either
  1451  //    version 2.1 of the License, or (at your option) any later version.
  1452  //
  1453  //    The GNU C Library is distributed in the hope that it will be useful,
  1454  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1455  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1456  //    Lesser General Public License for more details.
  1457  //
  1458  //    You should have received a copy of the GNU Lesser General Public
  1459  //    License along with the GNU C Library; if not, see
  1460  //    <https://www.gnu.org/licenses/>.
  1461  
  1462  // For internal mutex and condition variable definitions.
  1463  // Common threading primitives definitions for both POSIX and C11.
  1464  //    Copyright (C) 2017-2021 Free Software Foundation, Inc.
  1465  //    This file is part of the GNU C Library.
  1466  //
  1467  //    The GNU C Library is free software; you can redistribute it and/or
  1468  //    modify it under the terms of the GNU Lesser General Public
  1469  //    License as published by the Free Software Foundation; either
  1470  //    version 2.1 of the License, or (at your option) any later version.
  1471  //
  1472  //    The GNU C Library is distributed in the hope that it will be useful,
  1473  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1474  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1475  //    Lesser General Public License for more details.
  1476  //
  1477  //    You should have received a copy of the GNU Lesser General Public
  1478  //    License along with the GNU C Library; if not, see
  1479  //    <https://www.gnu.org/licenses/>.
  1480  
  1481  // Arch-specific definitions.  Each architecture must define the following
  1482  //    macros to define the expected sizes of pthread data types:
  1483  //
  1484  //    __SIZEOF_PTHREAD_ATTR_T        - size of pthread_attr_t.
  1485  //    __SIZEOF_PTHREAD_MUTEX_T       - size of pthread_mutex_t.
  1486  //    __SIZEOF_PTHREAD_MUTEXATTR_T   - size of pthread_mutexattr_t.
  1487  //    __SIZEOF_PTHREAD_COND_T        - size of pthread_cond_t.
  1488  //    __SIZEOF_PTHREAD_CONDATTR_T    - size of pthread_condattr_t.
  1489  //    __SIZEOF_PTHREAD_RWLOCK_T      - size of pthread_rwlock_t.
  1490  //    __SIZEOF_PTHREAD_RWLOCKATTR_T  - size of pthread_rwlockattr_t.
  1491  //    __SIZEOF_PTHREAD_BARRIER_T     - size of pthread_barrier_t.
  1492  //    __SIZEOF_PTHREAD_BARRIERATTR_T - size of pthread_barrierattr_t.
  1493  //
  1494  //    The additional macro defines any constraint for the lock alignment
  1495  //    inside the thread structures:
  1496  //
  1497  //    __LOCK_ALIGNMENT - for internal lock/futex usage.
  1498  //
  1499  //    Same idea but for the once locking primitive:
  1500  //
  1501  //    __ONCE_ALIGNMENT - for pthread_once_t/once_flag definition.
  1502  
  1503  // Machine-specific pthread type layouts.  RISC-V version.
  1504  //    Copyright (C) 2011-2021 Free Software Foundation, Inc.
  1505  //    This file is part of the GNU C Library.
  1506  //
  1507  //    The GNU C Library is free software; you can redistribute it and/or
  1508  //    modify it under the terms of the GNU Lesser General Public
  1509  //    License as published by the Free Software Foundation; either
  1510  //    version 2.1 of the License, or (at your option) any later version.
  1511  //
  1512  //    The GNU C Library is distributed in the hope that it will be useful,
  1513  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1514  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1515  //    Lesser General Public License for more details.
  1516  //
  1517  //    You should have received a copy of the GNU Lesser General Public
  1518  //    License along with the GNU C Library.  If not, see
  1519  //    <https://www.gnu.org/licenses/>.
  1520  
  1521  // Endian macros for string.h functions
  1522  //    Copyright (C) 1992-2021 Free Software Foundation, Inc.
  1523  //    This file is part of the GNU C Library.
  1524  //
  1525  //    The GNU C Library is free software; you can redistribute it and/or
  1526  //    modify it under the terms of the GNU Lesser General Public
  1527  //    License as published by the Free Software Foundation; either
  1528  //    version 2.1 of the License, or (at your option) any later version.
  1529  //
  1530  //    The GNU C Library is distributed in the hope that it will be useful,
  1531  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1532  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1533  //    Lesser General Public License for more details.
  1534  //
  1535  //    You should have received a copy of the GNU Lesser General Public
  1536  //    License along with the GNU C Library; if not, see
  1537  //    <http://www.gnu.org/licenses/>.
  1538  
  1539  // Common definition of pthread_mutex_t.
  1540  
  1541  type X__pthread_list_t = X__pthread_internal_list /* thread-shared-types.h:53:3 */
  1542  
  1543  type X__pthread_internal_slist = struct{ F__next uintptr } /* thread-shared-types.h:55:9 */
  1544  
  1545  type X__pthread_slist_t = X__pthread_internal_slist /* thread-shared-types.h:58:3 */
  1546  
  1547  // Arch-specific mutex definitions.  A generic implementation is provided
  1548  //    by sysdeps/nptl/bits/struct_mutex.h.  If required, an architecture
  1549  //    can override it by defining:
  1550  //
  1551  //    1. struct __pthread_mutex_s (used on both pthread_mutex_t and mtx_t
  1552  //       definition).  It should contains at least the internal members
  1553  //       defined in the generic version.
  1554  //
  1555  //    2. __LOCK_ALIGNMENT for any extra attribute for internal lock used with
  1556  //       atomic operations.
  1557  //
  1558  //    3. The macro __PTHREAD_MUTEX_INITIALIZER used for static initialization.
  1559  //       It should initialize the mutex internal flag.
  1560  
  1561  // Default mutex implementation struct definitions.
  1562  //    Copyright (C) 2019-2021 Free Software Foundation, Inc.
  1563  //    This file is part of the GNU C Library.
  1564  //
  1565  //    The GNU C Library is free software; you can redistribute it and/or
  1566  //    modify it under the terms of the GNU Lesser General Public
  1567  //    License as published by the Free Software Foundation; either
  1568  //    version 2.1 of the License, or (at your option) any later version.
  1569  //
  1570  //    The GNU C Library is distributed in the hope that it will be useful,
  1571  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1572  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1573  //    Lesser General Public License for more details.
  1574  //
  1575  //    You should have received a copy of the GNU Lesser General Public
  1576  //    License along with the GNU C Library; if not, see
  1577  //    <http://www.gnu.org/licenses/>.
  1578  
  1579  // Generic struct for both POSIX and C11 mutexes.  New ports are expected
  1580  //    to use the default layout, however architecture can redefine it to
  1581  //    add arch-specific extension (such as lock-elision).  The struct have
  1582  //    a size of 32 bytes on LP32 and 40 bytes on LP64 architectures.
  1583  
  1584  type X__pthread_mutex_s = struct {
  1585  	F__lock   int32
  1586  	F__count  uint32
  1587  	F__owner  int32
  1588  	F__nusers uint32
  1589  	F__kind   int32
  1590  	F__spins  int32
  1591  	F__list   X__pthread_list_t
  1592  } /* struct_mutex.h:27:1 */
  1593  
  1594  // Arch-sepecific read-write lock definitions.  A generic implementation is
  1595  //    provided by struct_rwlock.h.  If required, an architecture can override it
  1596  //    by defining:
  1597  //
  1598  //    1. struct __pthread_rwlock_arch_t (used on pthread_rwlock_t definition).
  1599  //       It should contain at least the internal members defined in the
  1600  //       generic version.
  1601  //
  1602  //    2. The macro __PTHREAD_RWLOCK_INITIALIZER used for static initialization.
  1603  //       It should initialize the rwlock internal type.
  1604  
  1605  // RISC-V internal rwlock struct definitions.
  1606  //    Copyright (C) 2019-2021 Free Software Foundation, Inc.
  1607  //
  1608  //    This file is part of the GNU C Library.
  1609  //
  1610  //    The GNU C Library is free software; you can redistribute it and/or
  1611  //    modify it under the terms of the GNU Lesser General Public
  1612  //    License as published by the Free Software Foundation; either
  1613  //    version 2.1 of the License, or (at your option) any later version.
  1614  //
  1615  //    The GNU C Library is distributed in the hope that it will be useful,
  1616  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1617  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1618  //    Lesser General Public License for more details.
  1619  //
  1620  //    You should have received a copy of the GNU Lesser General Public
  1621  //    License along with the GNU C Library; if not, see
  1622  //    <https://www.gnu.org/licenses/>.
  1623  
  1624  // There is a lot of padding in this structure.  While it's not strictly
  1625  //
  1626  //	necessary on RISC-V, we're going to leave it in to be on the safe side in
  1627  //	case it's needed in the future.  Most other architectures have the padding,
  1628  //	so this gives us the same extensibility as everyone else has.
  1629  type X__pthread_rwlock_arch_t = struct {
  1630  	F__readers       uint32
  1631  	F__writers       uint32
  1632  	F__wrphase_futex uint32
  1633  	F__writers_futex uint32
  1634  	F__pad3          uint32
  1635  	F__pad4          uint32
  1636  	F__cur_writer    int32
  1637  	F__shared        int32
  1638  	F__pad1          uint64
  1639  	F__pad2          uint64
  1640  	F__flags         uint32
  1641  	F__ccgo_pad1     [4]byte
  1642  } /* struct_rwlock.h:27:1 */
  1643  
  1644  // Common definition of pthread_cond_t.
  1645  
  1646  type X__pthread_cond_s = struct {
  1647  	F__0            struct{ F__wseq uint64 }
  1648  	F__8            struct{ F__g1_start uint64 }
  1649  	F__g_refs       [2]uint32
  1650  	F__g_size       [2]uint32
  1651  	F__g1_orig_size uint32
  1652  	F__wrefs        uint32
  1653  	F__g_signals    [2]uint32
  1654  } /* thread-shared-types.h:92:1 */
  1655  
  1656  type X__tss_t = uint32  /* thread-shared-types.h:119:22 */
  1657  type X__thrd_t = uint64 /* thread-shared-types.h:120:27 */
  1658  
  1659  type X__once_flag = struct{ F__data int32 } /* thread-shared-types.h:125:3 */
  1660  
  1661  // Thread identifiers.  The structure of the attribute type is not
  1662  //
  1663  //	exposed on purpose.
  1664  type Pthread_t = uint64 /* pthreadtypes.h:27:27 */
  1665  
  1666  // Data structures for mutex handling.  The structure of the attribute
  1667  //
  1668  //	type is not exposed on purpose.
  1669  type Pthread_mutexattr_t = struct {
  1670  	F__ccgo_pad1 [0]uint32
  1671  	F__size      [4]uint8
  1672  } /* pthreadtypes.h:36:3 */
  1673  
  1674  // Data structure for condition variable handling.  The structure of
  1675  //
  1676  //	the attribute type is not exposed on purpose.
  1677  type Pthread_condattr_t = struct {
  1678  	F__ccgo_pad1 [0]uint32
  1679  	F__size      [4]uint8
  1680  } /* pthreadtypes.h:45:3 */
  1681  
  1682  // Keys for thread-specific data
  1683  type Pthread_key_t = uint32 /* pthreadtypes.h:49:22 */
  1684  
  1685  // Once-only execution
  1686  type Pthread_once_t = int32 /* pthreadtypes.h:53:30 */
  1687  
  1688  type Pthread_attr_t1 = struct {
  1689  	F__ccgo_pad1 [0]uint64
  1690  	F__size      [56]uint8
  1691  } /* pthreadtypes.h:56:1 */
  1692  
  1693  type Pthread_attr_t = Pthread_attr_t1 /* pthreadtypes.h:62:30 */
  1694  
  1695  type Pthread_mutex_t = struct{ F__data X__pthread_mutex_s } /* pthreadtypes.h:72:3 */
  1696  
  1697  type Pthread_cond_t = struct{ F__data X__pthread_cond_s } /* pthreadtypes.h:80:3 */
  1698  
  1699  // Data structure for reader-writer lock variable handling.  The
  1700  //
  1701  //	structure of the attribute type is deliberately not exposed.
  1702  type Pthread_rwlock_t = struct{ F__data X__pthread_rwlock_arch_t } /* pthreadtypes.h:91:3 */
  1703  
  1704  type Pthread_rwlockattr_t = struct {
  1705  	F__ccgo_pad1 [0]uint64
  1706  	F__size      [8]uint8
  1707  } /* pthreadtypes.h:97:3 */
  1708  
  1709  // POSIX spinlock data type.
  1710  type Pthread_spinlock_t = int32 /* pthreadtypes.h:103:22 */
  1711  
  1712  // POSIX barriers data type.  The structure of the type is
  1713  //
  1714  //	deliberately not exposed.
  1715  type Pthread_barrier_t = struct {
  1716  	F__ccgo_pad1 [0]uint64
  1717  	F__size      [32]uint8
  1718  } /* pthreadtypes.h:112:3 */
  1719  
  1720  type Pthread_barrierattr_t = struct {
  1721  	F__ccgo_pad1 [0]uint32
  1722  	F__size      [4]uint8
  1723  } /* pthreadtypes.h:118:3 */
  1724  
  1725  var _ uint8 /* gen.c:2:13: */