M2-Planet/test/common_amd64/functions/execve.c

51 lines
1.4 KiB
C

/* Copyright (C) 2016 Jeremiah Orians
* This file is part of M2-Planet.
*
* M2-Planet 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.
*
* M2-Planet 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 M2-Planet. If not, see <http://www.gnu.org/licenses/>.
*/
void exit(int value);
void _exit(int value)
{
exit(value);
}
int waitpid (int pid, int* status_ptr, int options)
{
/* Uses wait4 with struct rusage *ru set to NULL */
asm("LOAD_EFFECTIVE_ADDRESS_rdi %24"
"LOAD_INTEGER_rdi"
"LOAD_EFFECTIVE_ADDRESS_rsi %16"
"LOAD_INTEGER_rsi"
"LOAD_EFFECTIVE_ADDRESS_rdx %8"
"LOAD_INTEGER_rdx"
"LOAD_IMMEDIATE_r10 %0"
"LOAD_IMMEDIATE_rax %61"
"SYSCALL");
}
int execve(char* file_name, char** argv, char** envp)
{
asm("LOAD_EFFECTIVE_ADDRESS_rdi %24"
"LOAD_INTEGER_rdi"
"LOAD_EFFECTIVE_ADDRESS_rsi %16"
"LOAD_INTEGER_rsi"
"LOAD_EFFECTIVE_ADDRESS_rdx %8"
"LOAD_INTEGER_rdx"
"LOAD_IMMEDIATE_rax %59"
"SYSCALL");
}