1613dad49SYonghong Song // SPDX-License-Identifier: GPL-2.0 2613dad49SYonghong Song 3613dad49SYonghong Song #include <linux/bpf.h> 4613dad49SYonghong Song #include <bpf/bpf_helpers.h> 5613dad49SYonghong Song #include "bpf_misc.h" 6613dad49SYonghong Song 7*0209fd51SPu Lehui #if (defined(__TARGET_ARCH_arm64) || defined(__TARGET_ARCH_x86) || \ 8*0209fd51SPu Lehui (defined(__TARGET_ARCH_riscv) && __riscv_xlen == 64)) && __clang_major__ >= 18 9613dad49SYonghong Song 10613dad49SYonghong Song SEC("socket") 11613dad49SYonghong Song __description("gotol, small_imm") 12613dad49SYonghong Song __success __success_unpriv __retval(1) gotol_small_imm(void)13613dad49SYonghong Song__naked void gotol_small_imm(void) 14613dad49SYonghong Song { 15613dad49SYonghong Song asm volatile (" \ 16613dad49SYonghong Song call %[bpf_ktime_get_ns]; \ 17613dad49SYonghong Song if r0 == 0 goto l0_%=; \ 18613dad49SYonghong Song gotol l1_%=; \ 19613dad49SYonghong Song l2_%=: \ 20613dad49SYonghong Song gotol l3_%=; \ 21613dad49SYonghong Song l1_%=: \ 22613dad49SYonghong Song r0 = 1; \ 23613dad49SYonghong Song gotol l2_%=; \ 24613dad49SYonghong Song l0_%=: \ 25613dad49SYonghong Song r0 = 2; \ 26613dad49SYonghong Song l3_%=: \ 27613dad49SYonghong Song exit; \ 28613dad49SYonghong Song " : 29613dad49SYonghong Song : __imm(bpf_ktime_get_ns) 30613dad49SYonghong Song : __clobber_all); 31613dad49SYonghong Song } 32613dad49SYonghong Song 33613dad49SYonghong Song #else 34613dad49SYonghong Song 35613dad49SYonghong Song SEC("socket") 36613dad49SYonghong Song __description("cpuv4 is not supported by compiler or jit, use a dummy test") 37613dad49SYonghong Song __success dummy_test(void)38613dad49SYonghong Songint dummy_test(void) 39613dad49SYonghong Song { 40613dad49SYonghong Song return 0; 41613dad49SYonghong Song } 42613dad49SYonghong Song 43613dad49SYonghong Song #endif 44613dad49SYonghong Song 45613dad49SYonghong Song char _license[] SEC("license") = "GPL"; 46