1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * A function which calls out to another object. MODNAME selects which object 4 * this one is, so a test can make the caller a module and the callee's owner 5 * something else. 6 */ 7 8 #ifndef MODNAME 9 #define MODNAME "vmlinux" 10 #endif 11 12 /* klp diff takes the object's module name from .modinfo */ 13 static const char __modinfo[] 14 __attribute__((section(".modinfo"), used, aligned(1))) = "\0name=" MODNAME; 15 16 extern int other_mod_func(int x); 17 18 int target(int x) 19 { 20 #ifdef PATCHED 21 return other_mod_func(x) + 2; 22 #else 23 return other_mod_func(x) + 1; 24 #endif 25 } 26