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