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author | Waldemar Brodkorb <wbrodkorb@conet.de> | 2018-05-31 01:04:17 +0200 |
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committer | Waldemar Brodkorb <wbrodkorb@conet.de> | 2018-06-10 06:35:18 +0200 |
commit | 9595fb8cd595028bece5174e7eddf660ae3dcc10 (patch) | |
tree | 56ffac7a96d15a2a9c825a4f96c3f1bcea7c4fa0 /libc/sysdeps/linux/riscv64/bits/wordsize.h | |
parent | df8caec1978cb5fe7d9a7e7ea9dd773605e89032 (diff) |
risc-v: initial 64 bit port, static only (no TLS/NPTL)
Only a simple hello world is tested in qemu system emulation.
Diffstat (limited to 'libc/sysdeps/linux/riscv64/bits/wordsize.h')
-rw-r--r-- | libc/sysdeps/linux/riscv64/bits/wordsize.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/riscv64/bits/wordsize.h b/libc/sysdeps/linux/riscv64/bits/wordsize.h new file mode 100644 index 000000000..67a16ba62 --- /dev/null +++ b/libc/sysdeps/linux/riscv64/bits/wordsize.h @@ -0,0 +1,29 @@ +/* Determine the wordsize from the preprocessor defines. RISC-V version. + Copyright (C) 2002-2018 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + +#if __riscv_xlen == (__SIZEOF_POINTER__ * 8) +# define __WORDSIZE __riscv_xlen +#else +# error unsupported ABI +#endif + +#if __riscv_xlen == 64 +# define __WORDSIZE_TIME64_COMPAT32 1 +#else +# error "rv32i-based targets are not supported" +#endif |