__aarch32_sigret_code_end 268 arch/arm64/kernel/vdso.c extern char __aarch32_sigret_code_start[], __aarch32_sigret_code_end[]; __aarch32_sigret_code_end 269 arch/arm64/kernel/vdso.c int sigret_sz = __aarch32_sigret_code_end - __aarch32_sigret_code_start;