/* -*-comment-start: "//";comment-end:""-*- * GNU Mes --- Maxwell Equations of Software * Copyright © 2017,2018,2019 Jan (janneke) Nieuwenhuizen * * This file is part of GNU Mes. * * GNU Mes is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or (at * your option) any later version. * * GNU Mes 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with GNU Mes. If not, see . */ #include #include void longjmp (jmp_buf env, int val) { #if 0 //MES_CCAMD64 asm ("push___%rdi"); #endif val = val == 0 ? 1 : val; #if 0 //MES_CCAMD64 asm ("pop____%rdi"); asm ("mov____0x8(%rdi),%rbp !0x00"); // env->__bp asm ("mov____0x8(%rdi),%rbx !0x08"); // env->__pc asm ("mov____0x8(%rdi),%rsp !0x10"); // env->__sp asm ("jmp____*%rbx"); // jmp *PC #else asm ("mov____0x8(%rbp),%rbp !0x10"); // env* asm ("mov____0x8(%rbp),%rbx !0x08"); // env.__pc asm ("mov____0x8(%rbp),%rsp !0x10"); // env.__sp asm ("mov____0x8(%rbp),%rbp !0x00"); // env.__bp asm ("jmp____*%rbx"); #endif // not reached exit (42); } int setjmp (__jmp_buf * env) { #if 0 //MES_CCAMD64 asm ("mov____%rbp,%rax"); asm ("add____$i32,%rax %0x80"); asm ("mov____0x8(%rax),%rsi !0x00"); asm ("mov____%rsi,0x8(%rdi) !0x00"); asm ("mov____0x8(%rax),%rsi !0x08"); asm ("mov____%rsi,0x8(%rdi) !0x08"); asm ("mov____%rax,%rsi"); asm ("add____$i32,%rsi %0x10"); asm ("mov____%rsi,0x8(%rdi) !0x10"); #else long *p = (long *) &env; env[0].__bp = p[-2]; env[0].__pc = p[-1]; env[0].__sp = (long) &env; #endif return 0; }