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