| /* Macro definitions for GDB on an S390. |
| Copyright 2001 Free Software Foundation, Inc. |
| Contributed by D.J. Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com) |
| for IBM Deutschland Entwicklung GmbH, IBM Corporation. |
| |
| This file is part of GDB. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA |
| 02111-1307, USA. */ |
| |
| #if !defined(TM_S390_H) |
| #define TM_S390_H 1 |
| |
| #define S390_NUM_GPRS (16) |
| #define S390_GPR_SIZE REGISTER_SIZE |
| #define S390_PSW_MASK_SIZE REGISTER_SIZE |
| #define S390_PSW_ADDR_SIZE REGISTER_SIZE |
| #define S390_NUM_FPRS (16) |
| #define S390_FPR_SIZE (8) |
| #define S390_FPC_SIZE (4) |
| #define S390_FPC_PAD_SIZE (4) /* gcc insists on aligning the fpregs */ |
| #define S390_NUM_CRS (16) |
| #define S390_CR_SIZE REGISTER_SIZE |
| #define S390_NUM_ACRS (16) |
| #define S390_ACR_SIZE (4) |
| |
| #define S390_NUM_REGS (2+S390_NUM_GPRS+S390_NUM_ACRS+S390_NUM_CRS+1+S390_NUM_FPRS) |
| #define S390_FIRST_ACR (2+S390_NUM_GPRS) |
| #define S390_LAST_ACR (S390_FIRST_ACR+S390_NUM_ACRS-1) |
| #define S390_FIRST_CR (S390_FIRST_ACR+S390_NUM_ACRS) |
| #define S390_LAST_CR (S390_FIRST_CR+S390_NUM_CRS-1) |
| |
| #define S390_PSWM_REGNUM 0 |
| #define S390_PC_REGNUM 1 |
| #define S390_GP0_REGNUM 2 /* GPR register 0 */ |
| #define S390_GP_LAST_REGNUM (S390_GP0_REGNUM+S390_NUM_GPRS-1) |
| /* Usually return address */ |
| #define S390_RETADDR_REGNUM (S390_GP0_REGNUM+14) |
| /* Contains address of top of stack */ |
| #define S390_SP_REGNUM (S390_GP0_REGNUM+15) |
| /* needed in findvar.c still */ |
| #define S390_FP_REGNUM S390_SP_REGNUM |
| #define S390_FRAME_REGNUM (S390_GP0_REGNUM+11) |
| #define S390_FPC_REGNUM (S390_GP0_REGNUM+S390_NUM_GPRS+S390_NUM_ACRS+S390_NUM_CRS) |
| /* FPR (Floating point) register 0 */ |
| #define S390_FP0_REGNUM (S390_FPC_REGNUM+1) |
| /* Last floating point register */ |
| #define S390_FPLAST_REGNUM (S390_FP0_REGNUM+S390_NUM_FPRS-1) |
| #define S390_LAST_REGNUM S390_FPLAST_REGNUM |
| |
| |
| #define S390_ACR0_OFFSET ((S390_PSW_MASK_SIZE+S390_PSW_ADDR_SIZE)+(S390_GPR_SIZE*S390_NUM_GPRS)) |
| #define S390_CR0_OFFSET (S390_ACR0_OFFSET+(S390_ACR_SIZE*S390_NUM_ACRS)) |
| #define S390_FPC_OFFSET (S390_CR0_OFFSET+(S390_CR_SIZE*S390_NUM_CRS)) |
| #define S390_FP0_OFFSET (S390_FPC_OFFSET+(S390_FPC_SIZE+S390_FPC_PAD_SIZE)) |
| #define S390_GPR6_STACK_OFFSET (GDB_TARGET_IS_ESAME ? 48:24) |
| |
| #define S390_REGISTER_BYTES ((4+4)+(4*S390_NUM_GPRS)+(4*S390_NUM_ACRS)+ \ |
| (4*S390_NUM_CRS)+(S390_FPC_SIZE+S390_FPC_PAD_SIZE)+(S390_FPR_SIZE*S390_NUM_FPRS)) |
| |
| #define S390X_REGISTER_BYTES ((8+8)+(8*S390_NUM_GPRS)+(4*S390_NUM_ACRS)+ \ |
| (8*S390_NUM_CRS)+(S390_FPC_SIZE+S390_FPC_PAD_SIZE)+(S390_FPR_SIZE*S390_NUM_FPRS)) |
| |
| #ifdef GDBSERVER |
| |
| int s390_register_byte (int reg_nr); |
| #define REGISTER_BYTE(reg_nr) s390_register_byte(reg_nr) |
| #define PC_REGNUM S390_PC_REGNUM |
| #define NUM_REGS S390_NUM_REGS |
| #define NUM_FREGS S390_NUM_FPRS |
| #define FP_REGNUM S390_FP_REGNUM |
| #define SP_REGNUM S390_SP_REGNUM |
| /* Obviously ptrace for user program tracing cannot be allowed |
| mess with control registers (except per registers for hardware watchpoints), |
| when we add kernel debugging we may need to alter these macros. */ |
| int s390_cannot_fetch_register (int regno); |
| #define CANNOT_FETCH_REGISTER(regno) s390_cannot_fetch_register(regno) |
| #define CANNOT_STORE_REGISTER(regno) s390_cannot_fetch_register(regno) |
| |
| #if CONFIG_ARCH_S390X |
| |
| int s390x_register_raw_size (int reg_nr); |
| #define REGISTER_RAW_SIZE(reg_nr) s390x_register_raw_size(reg_nr) |
| #define GDB_TARGET_IS_ESAME (1) |
| #define REGISTER_SIZE (8) |
| #define REGISTER_BYTES S390X_REGISTER_BYTES |
| |
| #else /* CONFIG_ARCH_S390X */ |
| |
| int s390_register_raw_size (int reg_nr); |
| #define REGISTER_RAW_SIZE(reg_nr) s390_register_raw_size(reg_nr) |
| #define GDB_TARGET_IS_ESAME (0) |
| #define REGISTER_SIZE (4) |
| #define REGISTER_BYTES S390_REGISTER_BYTES |
| |
| #endif /* CONFIG_ARCH_S390X */ |
| |
| #else /* GDBSERVER */ |
| |
| #define GDB_TARGET_IS_ESAME (TARGET_ARCHITECTURE->mach == bfd_mach_s390_64) |
| |
| #endif /* GDBSERVER */ |
| #endif /* ifndef TM_S390_H */ |