51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
/* Copyright (C) 2016 Jeremiah Orians
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* This file is part of M2-Planet.
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*
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* M2-Planet is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* M2-Planet is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with M2-Planet. If not, see <http://www.gnu.org/licenses/>.
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*/
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void exit(int value);
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void _exit(int value)
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{
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exit(value);
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}
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int waitpid (int pid, int* status_ptr, int options)
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{
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/* Uses wait4 with struct rusage *ru set to NULL */
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asm("LOAD_EFFECTIVE_ADDRESS_rdi %24"
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"LOAD_INTEGER_rdi"
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"LOAD_EFFECTIVE_ADDRESS_rsi %16"
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"LOAD_INTEGER_rsi"
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"LOAD_EFFECTIVE_ADDRESS_rdx %8"
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"LOAD_INTEGER_rdx"
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"LOAD_IMMEDIATE_r10 %0"
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"LOAD_IMMEDIATE_rax %61"
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"SYSCALL");
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}
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int execve(char* file_name, char** argv, char** envp)
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{
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asm("LOAD_EFFECTIVE_ADDRESS_rdi %24"
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"LOAD_INTEGER_rdi"
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"LOAD_EFFECTIVE_ADDRESS_rsi %16"
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"LOAD_INTEGER_rsi"
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"LOAD_EFFECTIVE_ADDRESS_rdx %8"
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"LOAD_INTEGER_rdx"
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"LOAD_IMMEDIATE_rax %59"
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"SYSCALL");
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}
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