dr1 65 tools/testing/selftests/x86/mov_ss_trap.c unsigned long dr0, dr1, dr7; dr1 68 tools/testing/selftests/x86/mov_ss_trap.c dr1 = (unsigned long)breakpoint_insn; dr1 83 tools/testing/selftests/x86/mov_ss_trap.c if (ptrace(PTRACE_POKEUSER, parent, (void *)offsetof(struct user, u_debugreg[1]), dr1) != 0) dr1 89 tools/testing/selftests/x86/mov_ss_trap.c printf("\tDR0 = %lx, DR1 = %lx, DR7 = %lx\n", dr0, dr1, dr7);