// SPDX-License-Identifier: GPL-2.0 #if defined(__x86_64__) /* * Include usdt.h with default nop,nop10 instructions combo. */ #include "usdt.h" __attribute__((aligned(16))) void usdt_2(void) { USDT(optimized_attach, usdt_2); } static volatile unsigned long usdt_red_zone_arg1 = 0xDEADBEEF; static volatile unsigned long usdt_red_zone_arg2 = 0xCAFEBABE; static volatile unsigned long usdt_red_zone_arg3 = 0xFEEDFACE; void __attribute__((noinline)) usdt_red_zone_trigger(void) { unsigned long a1 = usdt_red_zone_arg1; unsigned long a2 = usdt_red_zone_arg2; unsigned long a3 = usdt_red_zone_arg3; USDT(optimized_attach, usdt_red_zone, a1, a2, a3); } #endif