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| 1 | //===-- include/flang/Runtime/extensions.h ----------------------*- C++ -*-===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | // These C-coded entry points with Fortran-mangled names implement legacy |
| 10 | // extensions that will eventually be implemented in Fortran. |
| 11 | |
| 12 | #ifndef FORTRAN_RUNTIME_EXTENSIONS_H_ |
| 13 | #define FORTRAN_RUNTIME_EXTENSIONS_H_ |
| 14 | |
| 15 | #include "flang/Runtime/entry-names.h" |
| 16 | |
| 17 | #define FORTRAN_PROCEDURE_NAME(name) name##_ |
| 18 | |
| 19 | #include "flang/Runtime/entry-names.h" |
| 20 | #include <cstddef> |
| 21 | #include <cstdint> |
| 22 | |
| 23 | extern "C" { |
| 24 | |
| 25 | // CALL FLUSH(n) antedates the Fortran 2003 FLUSH statement. |
| 26 | void FORTRAN_PROCEDURE_NAME(flush)(const int &unit); |
| 27 | |
| 28 | // GNU extension subroutine FDATE |
| 29 | void FORTRAN_PROCEDURE_NAME(fdate)(char *string, std::int64_t length); |
| 30 | |
| 31 | // GNU Fortran 77 compatibility function IARGC. |
| 32 | std::int32_t FORTRAN_PROCEDURE_NAME(iargc)(); |
| 33 | |
| 34 | // GNU Fortran 77 compatibility subroutine GETARG(N, ARG). |
| 35 | void FORTRAN_PROCEDURE_NAME(getarg)( |
| 36 | std::int32_t &n, char *arg, std::int64_t length); |
| 37 | |
| 38 | // GNU extension subroutine GETLOG(C). |
| 39 | void FORTRAN_PROCEDURE_NAME(getlog)(char *name, std::int64_t length); |
| 40 | |
| 41 | // GNU extension function STATUS = SIGNAL(number, handler) |
| 42 | std::int64_t RTNAME(Signal)(std::int64_t number, void (*handler)(int)); |
| 43 | |
| 44 | // GNU extension subroutine SLEEP(SECONDS) |
| 45 | void RTNAME(Sleep)(std::int64_t seconds); |
| 46 | |
| 47 | // GNU extension function ACCESS(NAME, MODE) |
| 48 | // TODO: not supported on Windows |
| 49 | #ifndef _WIN32 |
| 50 | std::int64_t FORTRAN_PROCEDURE_NAME(access)(const char *name, |
| 51 | std::int64_t nameLength, const char *mode, std::int64_t modeLength); |
| 52 | #endif |
| 53 | |
| 54 | } // extern "C" |
| 55 | #endif // FORTRAN_RUNTIME_EXTENSIONS_H_ |
| 56 |
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