| // 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 |
