1 // Copyright 2017 syzkaller project authors. All rights reserved. 2 // Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file. 3 4 #include <stdio.h> 5 #include <stdlib.h> 6 #include <string.h> 7 #include <sys/mman.h> 8 #include <unistd.h> 9 10 #include "nocover.h" 11 12 static void os_init(int argc, char** argv, void* data, size_t data_size) 13 { 14 program_name = argv[0]; 15 if (argc == 2 && strcmp(argv[1], "child") == 0) { 16 if (mmap(data, data_size, PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE | MAP_FIXED, -1, 0) != data) 17 fail("mmap of data segment failed"); 18 child(); 19 } 20 } 21 22 static long execute_syscall(const call_t* c, long a[kMaxArgs]) 23 { 24 return syscall(c->sys_nr, a[0], a[1], a[2], a[3], a[4], a[5], a[6], a[7], a[8]); 25 } 26
