// SPDX-License-Identifier: GPL-2.0 /* * Generate definitions needed by assembly language modules. * This code generates raw asm output which is post-processed to extract * and format the required data. */ #define ASM_OFFSETS_C #include #include #include #include #include #include #include int main(void) { /* task struct offsets */ OFFSET(__TASK_stack, task_struct, stack); OFFSET(__TASK_thread, task_struct, thread); OFFSET(__TASK_pid, task_struct, pid); BLANK(); /* thread struct offsets */ OFFSET(__THREAD_ksp, thread_struct, ksp); BLANK(); /* thread info offsets */ OFFSET(__TI_flags, task_struct, thread_info.flags); OFFSET(__TI_sie, task_struct, thread_info.sie); BLANK(); /* pt_regs offsets */ OFFSET(__PT_PSW, pt_regs, psw); OFFSET(__PT_GPRS, pt_regs, gprs); OFFSET(__PT_R0, pt_regs, gprs[0]); OFFSET(__PT_R1, pt_regs, gprs[1]); OFFSET(__PT_R2, pt_regs, gprs[2]); OFFSET(__PT_R3, pt_regs, gprs[3]); OFFSET(__PT_R4, pt_regs, gprs[4]); OFFSET(__PT_R5, pt_regs, gprs[5]); OFFSET(__PT_R6, pt_regs, gprs[6]); OFFSET(__PT_R7, pt_regs, gprs[7]); OFFSET(__PT_R8, pt_regs, gprs[8]); OFFSET(__PT_R9, pt_regs, gprs[9]); OFFSET(__PT_R10, pt_regs, gprs[10]); OFFSET(__PT_R11, pt_regs, gprs[11]); OFFSET(__PT_R12, pt_regs, gprs[12]); OFFSET(__PT_R13, pt_regs, gprs[13]); OFFSET(__PT_R14, pt_regs, gprs[14]); OFFSET(__PT_R15, pt_regs, gprs[15]); OFFSET(__PT_ORIG_GPR2, pt_regs, orig_gpr2); OFFSET(__PT_FLAGS, pt_regs, flags); OFFSET(__PT_CR1, pt_regs, cr1); OFFSET(__PT_LAST_BREAK, pt_regs, last_break); DEFINE(__PT_SIZE, sizeof(struct pt_regs)); BLANK(); /* stack_frame offsets */ OFFSET(__SF_BACKCHAIN, stack_frame, back_chain); OFFSET(__SF_GPRS, stack_frame, gprs); OFFSET(__SF_EMPTY, stack_frame, empty[0]); OFFSET(__SF_SIE_CONTROL, stack_frame, sie_control_block); OFFSET(__SF_SIE_SAVEAREA, stack_frame, sie_savearea); OFFSET(__SF_SIE_REASON, stack_frame, sie_reason); OFFSET(__SF_SIE_FLAGS, stack_frame, sie_flags); OFFSET(__SF_SIE_CONTROL_PHYS, stack_frame, sie_control_block_phys); OFFSET(__SF_SIE_GUEST_ASCE, stack_frame, sie_guest_asce); DEFINE(STACK_FRAME_OVERHEAD, sizeof(struct stack_frame)); BLANK(); OFFSET(__SFUSER_BACKCHAIN, stack_frame_user, back_chain); DEFINE(STACK_FRAME_USER_OVERHEAD, sizeof(struct stack_frame_user)); OFFSET(__SFVDSO_RETURN_ADDRESS, stack_frame_vdso_wrapper, return_address); DEFINE(STACK_FRAME_VDSO_OVERHEAD, sizeof(struct stack_frame_vdso_wrapper)); BLANK(); /* hardware defined lowcore locations 0x000 - 0x1ff */ OFFSET(__LC_EXT_PARAMS, lowcore, ext_params); OFFSET(__LC_EXT_CPU_ADDR, lowcore, ext_cpu_addr); OFFSET(__LC_EXT_INT_CODE, lowcore, ext_int_code); OFFSET(__LC_PGM_ILC, lowcore, pgm_ilc); OFFSET(__LC_PGM_INT_CODE, lowcore, pgm_code); OFFSET(__LC_DATA_EXC_CODE, lowcore, data_exc_code); OFFSET(__LC_MON_CLASS_NR, lowcore, mon_class_num); OFFSET(__LC_PER_CODE, lowcore, per_code); OFFSET(__LC_PER_ATMID, lowcore, per_atmid); OFFSET(__LC_PER_ADDRESS, lowcore, per_address); OFFSET(__LC_EXC_ACCESS_ID, lowcore, exc_access_id); OFFSET(__LC_PER_ACCESS_ID, lowcore, per_access_id); OFFSET(__LC_OP_ACCESS_ID, lowcore, op_access_id); OFFSET(__LC_AR_MODE_ID, lowcore, ar_mode_id); OFFSET(__LC_TRANS_EXC_CODE, lowcore, trans_exc_code); OFFSET(__LC_MON_CODE, lowcore, monitor_code); OFFSET(__LC_SUBCHANNEL_ID, lowcore, subchannel_id); OFFSET(__LC_SUBCHANNEL_NR, lowcore, subchannel_nr); OFFSET(__LC_IO_INT_PARM, lowcore, io_int_parm); OFFSET(__LC_IO_INT_WORD, lowcore, io_int_word); OFFSET(__LC_MCCK_CODE, lowcore, mcck_interruption_code); OFFSET(__LC_EXT_DAMAGE_CODE, lowcore, external_damage_code); OFFSET(__LC_MCCK_FAIL_STOR_ADDR, lowcore, failing_storage_address); OFFSET(__LC_PGM_LAST_BREAK, lowcore, pgm_last_break); OFFSET(__LC_RETURN_LPSWE, lowcore, return_lpswe); OFFSET(__LC_RETURN_MCCK_LPSWE, lowcore, return_mcck_lpswe); OFFSET(__LC_RST_OLD_PSW, lowcore, restart_old_psw); OFFSET(__LC_EXT_OLD_PSW, lowcore, external_old_psw); OFFSET(__LC_SVC_OLD_PSW, lowcore, svc_old_psw); OFFSET(__LC_PGM_OLD_PSW, lowcore, program_old_psw); OFFSET(__LC_MCK_OLD_PSW, lowcore, mcck_old_psw); OFFSET(__LC_IO_OLD_PSW, lowcore, io_old_psw); OFFSET(__LC_RST_NEW_PSW, lowcore, restart_psw); OFFSET(__LC_EXT_NEW_PSW, lowcore, external_new_psw); OFFSET(__LC_SVC_NEW_PSW, lowcore, svc_new_psw); OFFSET(__LC_PGM_NEW_PSW, lowcore, program_new_psw); OFFSET(__LC_MCK_NEW_PSW, lowcore, mcck_new_psw); OFFSET(__LC_IO_NEW_PSW, lowcore, io_new_psw); /* software defined lowcore locations 0x200 - 0xdff*/ OFFSET(__LC_SAVE_AREA, lowcore, save_area); OFFSET(__LC_SAVE_AREA_RESTART, lowcore, save_area_restart); OFFSET(__LC_PCPU, lowcore, pcpu); OFFSET(__LC_RETURN_PSW, lowcore, return_psw); OFFSET(__LC_RETURN_MCCK_PSW, lowcore, return_mcck_psw); OFFSET(__LC_SYS_ENTER_TIMER, lowcore, sys_enter_timer); OFFSET(__LC_MCCK_ENTER_TIMER, lowcore, mcck_enter_timer); OFFSET(__LC_EXIT_TIMER, lowcore, exit_timer); OFFSET(__LC_LAST_UPDATE_TIMER, lowcore, last_update_timer); OFFSET(__LC_LAST_UPDATE_CLOCK, lowcore, last_update_clock); OFFSET(__LC_INT_CLOCK, lowcore, int_clock); OFFSET(__LC_BOOT_CLOCK, lowcore, boot_clock); OFFSET(__LC_CURRENT, lowcore, current_task); OFFSET(__LC_KERNEL_STACK, lowcore, kernel_stack); OFFSET(__LC_ASYNC_STACK, lowcore, async_stack); OFFSET(__LC_NODAT_STACK, lowcore, nodat_stack); OFFSET(__LC_RESTART_STACK, lowcore, restart_stack); OFFSET(__LC_MCCK_STACK, lowcore, mcck_stack); OFFSET(__LC_RESTART_FN, lowcore, restart_fn); OFFSET(__LC_RESTART_DATA, lowcore, restart_data); OFFSET(__LC_RESTART_SOURCE, lowcore, restart_source); OFFSET(__LC_RESTART_FLAGS, lowcore, restart_flags); OFFSET(__LC_KERNEL_ASCE, lowcore, kernel_asce); OFFSET(__LC_USER_ASCE, lowcore, user_asce); OFFSET(__LC_LPP, lowcore, lpp); OFFSET(__LC_CURRENT_PID, lowcore, current_pid); OFFSET(__LC_LAST_BREAK, lowcore, last_break); /* software defined ABI-relevant lowcore locations 0xe00 - 0xe20 */ OFFSET(__LC_DUMP_REIPL, lowcore, ipib); OFFSET(__LC_VMCORE_INFO, lowcore, vmcore_info); OFFSET(__LC_OS_INFO, lowcore, os_info); /* hardware defined lowcore locations 0x1000 - 0x18ff */ OFFSET(__LC_MCESAD, lowcore, mcesad); OFFSET(__LC_EXT_PARAMS2, lowcore, ext_params2); OFFSET(__LC_FPREGS_SAVE_AREA, lowcore, floating_pt_save_area); OFFSET(__LC_GPREGS_SAVE_AREA, lowcore, gpregs_save_area); OFFSET(__LC_PSW_SAVE_AREA, lowcore, psw_save_area); OFFSET(__LC_PREFIX_SAVE_AREA, lowcore, prefixreg_save_area); OFFSET(__LC_FP_CREG_SAVE_AREA, lowcore, fpt_creg_save_area); OFFSET(__LC_TOD_PROGREG_SAVE_AREA, lowcore, tod_progreg_save_area); OFFSET(__LC_CPU_TIMER_SAVE_AREA, lowcore, cpu_timer_save_area); OFFSET(__LC_CLOCK_COMP_SAVE_AREA, lowcore, clock_comp_save_area); OFFSET(__LC_LAST_BREAK_SAVE_AREA, lowcore, last_break_save_area); OFFSET(__LC_AREGS_SAVE_AREA, lowcore, access_regs_save_area); OFFSET(__LC_CREGS_SAVE_AREA, lowcore, cregs_save_area); OFFSET(__LC_PGM_TDB, lowcore, pgm_tdb); BLANK(); /* gmap/sie offsets */ OFFSET(__SIE_PROG0C, kvm_s390_sie_block, prog0c); OFFSET(__SIE_PROG20, kvm_s390_sie_block, prog20); /* kexec_sha_region */ OFFSET(__KEXEC_SHA_REGION_START, kexec_sha_region, start); OFFSET(__KEXEC_SHA_REGION_LEN, kexec_sha_region, len); DEFINE(__KEXEC_SHA_REGION_SIZE, sizeof(struct kexec_sha_region)); /* sizeof kernel parameter area */ DEFINE(__PARMAREA_SIZE, sizeof(struct parmarea)); /* kernel parameter area offsets */ DEFINE(IPL_DEVICE, PARMAREA + offsetof(struct parmarea, ipl_device)); DEFINE(INITRD_START, PARMAREA + offsetof(struct parmarea, initrd_start)); DEFINE(INITRD_SIZE, PARMAREA + offsetof(struct parmarea, initrd_size)); DEFINE(OLDMEM_BASE, PARMAREA + offsetof(struct parmarea, oldmem_base)); DEFINE(OLDMEM_SIZE, PARMAREA + offsetof(struct parmarea, oldmem_size)); DEFINE(COMMAND_LINE, PARMAREA + offsetof(struct parmarea, command_line)); DEFINE(MAX_COMMAND_LINE_SIZE, PARMAREA + offsetof(struct parmarea, max_command_line_size)); #ifdef CONFIG_FUNCTION_GRAPH_TRACER /* function graph return value tracing */ OFFSET(__FGRAPH_RET_GPR2, fgraph_ret_regs, gpr2); OFFSET(__FGRAPH_RET_FP, fgraph_ret_regs, fp); DEFINE(__FGRAPH_RET_SIZE, sizeof(struct fgraph_ret_regs)); #endif OFFSET(__FTRACE_REGS_PT_REGS, __arch_ftrace_regs, regs); DEFINE(__FTRACE_REGS_SIZE, sizeof(struct __arch_ftrace_regs)); OFFSET(__PCPU_FLAGS, pcpu, flags); return 0; }