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/* Common target dependent code for GDB on SPARC systems.
Copyright 2002 Free Software Foundation, Inc.
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. */
/*
* Some local macros that have multi-arch and non-multi-arch versions:
*/
#if (GDB_MULTI_ARCH > 0)
/* Does the target have Floating Point registers? */
#define SPARC_HAS_FPU (gdbarch_tdep (current_gdbarch)->has_fpu)
/* Number of bytes devoted to Floating Point registers: */
#define FP_REGISTER_BYTES (gdbarch_tdep (current_gdbarch)->fp_register_bytes)
/* Highest numbered Floating Point register. */
#define FP_MAX_REGNUM (gdbarch_tdep (current_gdbarch)->fp_max_regnum)
/* Size of a general (integer) register: */
#define SPARC_INTREG_SIZE (gdbarch_tdep (current_gdbarch)->intreg_size)
/* Offset within the call dummy stack of the saved registers. */
#define DUMMY_REG_SAVE_OFFSET (gdbarch_tdep (current_gdbarch)->reg_save_offset)
#else /* non-multi-arch */
/* Does the target have Floating Point registers? */
#if defined(TARGET_SPARCLET) || defined(TARGET_SPARCLITE)
#define SPARC_HAS_FPU 0
#else
#define SPARC_HAS_FPU 1
#endif
/* Number of bytes devoted to Floating Point registers: */
#if (GDB_TARGET_IS_SPARC64)
#define FP_REGISTER_BYTES (64 * 4)
#else
#if (SPARC_HAS_FPU)
#define FP_REGISTER_BYTES (32 * 4)
#else
#define FP_REGISTER_BYTES 0
#endif
#endif
/* Highest numbered Floating Point register. */
#if (GDB_TARGET_IS_SPARC64)
#define FP_MAX_REGNUM (FP0_REGNUM + 48)
#else
#define FP_MAX_REGNUM (FP0_REGNUM + 32)
#endif
/* Size of a general (integer) register: */
#define SPARC_INTREG_SIZE (REGISTER_RAW_SIZE (G0_REGNUM))
/* Offset within the call dummy stack of the saved registers. */
#if (GDB_TARGET_IS_SPARC64)
#define DUMMY_REG_SAVE_OFFSET (128 + 16)
#else
#define DUMMY_REG_SAVE_OFFSET 0x60
#endif
#endif /* GDB_MULTI_ARCH */
#ifndef CALL_DUMMY_CALL_OFFSET
#define CALL_DUMMY_CALL_OFFSET \
(gdbarch_tdep (current_gdbarch)->call_dummy_call_offset)
#endif /* CALL_DUMMY_CALL_OFFSET */
struct gdbarch_tdep
{
int os_ident;
int has_fpu;
int fp_register_bytes;
int y_regnum;
int fp_max_regnum;
int intreg_size;
int reg_save_offset;
int call_dummy_call_offset;
int print_insn_mach;
};
/* How a OS variant tells the SPARC generic code that it can handle an ABI
type. */
extern void sparc_gdbarch_register_os_abi (int os_ident,
void (*init_abi)(struct gdbarch_info,
struct gdbarch *));
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