From 9595fb8cd595028bece5174e7eddf660ae3dcc10 Mon Sep 17 00:00:00 2001 From: Waldemar Brodkorb Date: Thu, 31 May 2018 01:04:17 +0200 Subject: risc-v: initial 64 bit port, static only (no TLS/NPTL) Only a simple hello world is tested in qemu system emulation. --- libc/sysdeps/linux/riscv64/bits/setjmp.h | 38 ++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 libc/sysdeps/linux/riscv64/bits/setjmp.h (limited to 'libc/sysdeps/linux/riscv64/bits/setjmp.h') diff --git a/libc/sysdeps/linux/riscv64/bits/setjmp.h b/libc/sysdeps/linux/riscv64/bits/setjmp.h new file mode 100644 index 000000000..c45f93957 --- /dev/null +++ b/libc/sysdeps/linux/riscv64/bits/setjmp.h @@ -0,0 +1,38 @@ +/* Define the machine-dependent type `jmp_buf'. RISC-V version. + Copyright (C) 2011-2018 Free Software Foundation, Inc. + + 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 + . */ + +#ifndef _RISCV_BITS_SETJMP_H +#define _RISCV_BITS_SETJMP_H + +typedef struct __jmp_buf_internal_tag + { + /* Program counter. */ + long int __pc; + /* Callee-saved registers. */ + long int __regs[12]; + /* Stack pointer. */ + long int __sp; + + /* Callee-saved floating point registers. */ +#if defined __riscv_float_abi_double + double __fpregs[12]; +#elif !defined __riscv_float_abi_soft +# error unsupported FLEN +#endif + } __jmp_buf[1]; + +#endif /* _RISCV_BITS_SETJMP_H */ -- cgit v1.2.3