Mercurial > pub > dyncall > dyncall
view dyncallback/dyncall_thunk_riscv64.c @ 653:0c8838766866
- riscv64 support for calls and callbacks (but lacking aggr and syscall support) - thanks Jun Jeon! :)
- mark riscv64 as implemented in manual overview
author | Tassilo Philipp |
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date | Thu, 07 Mar 2024 17:42:13 +0100 |
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/* Package: dyncall Library: dyncallback File: dyncallback/dyncall_thunk_riscv64.c Description: Thunk - Implementation for RISCV64 License: Copyright (c) 2023 Jun Jeon <yjeon@netflix.com> Permission to use, copy, modify, and distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies. THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "dyncall_thunk.h" void dcbInitThunk(DCThunk* p, void (*entry)()) { /* t5 - thunk register */ p->code[0] = 0x00000f17; /* auipc t5, 0 */ p->code[1] = 0x010f3f83; /* ld t6, 16(t5) */ p->code[2] = 0x000f8067; /* jr t6 (= jalr x0, 0(t6)) */ p->code[3] = 0x00000013; /* nop (= addi x0, x0, 0) */ p->entry = entry; }