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111 lines
3.2 KiB
C
111 lines
3.2 KiB
C
/* Target dependent code for ARC arhitecture, for GDB.
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Copyright 2005-2017 Free Software Foundation, Inc.
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Contributed by Synopsys Inc.
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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 3 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, see <http://www.gnu.org/licenses/>. */
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#ifndef ARC_TDEP_H
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#define ARC_TDEP_H
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/* Need disassemble_info. */
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#include "dis-asm.h"
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enum arc_regnum
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{
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/* Core registers. */
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ARC_R0_REGNUM = 0,
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ARC_FIRST_CORE_REGNUM = ARC_R0_REGNUM,
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ARC_R1_REGNUM = 1,
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ARC_R4_REGNUM = 4,
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ARC_R7_REGNUM = 7,
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ARC_R9_REGNUM = 9,
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ARC_R13_REGNUM = 13,
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ARC_R16_REGNUM = 16,
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ARC_R25_REGNUM = 25,
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/* Global data pointer. */
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ARC_GP_REGNUM,
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/* Frame pointer. */
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ARC_FP_REGNUM,
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/* Stack pointer. */
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ARC_SP_REGNUM,
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/* Return address from interrupt. */
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ARC_ILINK_REGNUM,
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ARC_R30_REGNUM,
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/* Return address from function. */
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ARC_BLINK_REGNUM,
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/* Zero-delay loop counter. */
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ARC_LP_COUNT_REGNUM = 60,
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/* Program counter, aligned to 4-bytes, read-only. */
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ARC_PCL_REGNUM,
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ARC_LAST_CORE_REGNUM = ARC_PCL_REGNUM,
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/* AUX registers. */
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/* Actual program counter. */
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ARC_PC_REGNUM,
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ARC_FIRST_AUX_REGNUM = ARC_PC_REGNUM,
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/* Status register. */
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ARC_STATUS32_REGNUM,
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ARC_LAST_REGNUM = ARC_STATUS32_REGNUM,
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ARC_LAST_AUX_REGNUM = ARC_STATUS32_REGNUM,
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/* Additional ABI constants. */
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ARC_FIRST_ARG_REGNUM = ARC_R0_REGNUM,
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ARC_LAST_ARG_REGNUM = ARC_R7_REGNUM,
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ARC_FIRST_CALLEE_SAVED_REGNUM = ARC_R13_REGNUM,
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ARC_LAST_CALLEE_SAVED_REGNUM = ARC_R25_REGNUM,
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};
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/* Number of bytes in ARC register. All ARC registers are considered 32-bit.
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Those registers, which are actually shorter has zero-on-read for extra bits.
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Longer registers are represented as pairs of 32-bit registers. */
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#define ARC_REGISTER_SIZE 4
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#define arc_print(fmt, args...) fprintf_unfiltered (gdb_stdlog, fmt, ##args)
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extern int arc_debug;
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/* Target-dependent information. */
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struct gdbarch_tdep
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{
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/* Offset to PC value in jump buffer. If this is negative, longjmp
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support will be disabled. */
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int jb_pc;
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};
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/* Utility functions used by other ARC-specific modules. */
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static inline int
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arc_mach_is_arc600 (struct gdbarch *gdbarch)
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{
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return (gdbarch_bfd_arch_info (gdbarch)->mach == bfd_mach_arc_arc600
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|| gdbarch_bfd_arch_info (gdbarch)->mach == bfd_mach_arc_arc601);
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}
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static inline int
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arc_mach_is_arc700 (struct gdbarch *gdbarch)
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{
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return gdbarch_bfd_arch_info (gdbarch)->mach == bfd_mach_arc_arc700;
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}
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static inline int
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arc_mach_is_arcv2 (struct gdbarch *gdbarch)
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{
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return gdbarch_bfd_arch_info (gdbarch)->mach == bfd_mach_arc_arcv2;
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}
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#endif /* ARC_TDEP_H */
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