1/* Architecture-dependent code for the Fujitsu FR-V, for GDB, the GNU Debugger. 2 Copyright (C) 2004-2020 Free Software Foundation, Inc. 3 4 This file is part of GDB. 5 6 This program is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 3 of the License, or 9 (at your option) any later version. 10 11 This program is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 18 19#ifndef FRV_TDEP_H 20#define FRV_TDEP_H 21 22/* Enumerate the possible ABIs for FR-V. */ 23enum frv_abi 24 { 25 FRV_ABI_EABI, 26 FRV_ABI_FDPIC 27 }; 28 29/* Register numbers. The order in which these appear define the 30 remote protocol, so take care in changing them. */ 31enum { 32 /* Register numbers 0 -- 63 are always reserved for general-purpose 33 registers. The chip at hand may have less. */ 34 first_gpr_regnum = 0, 35 sp_regnum = 1, 36 fp_regnum = 2, 37 struct_return_regnum = 3, 38 last_gpr_regnum = 63, 39 40 /* Register numbers 64 -- 127 are always reserved for floating-point 41 registers. The chip at hand may have less. */ 42 first_fpr_regnum = 64, 43 last_fpr_regnum = 127, 44 45 /* The PC register. */ 46 pc_regnum = 128, 47 48 /* Register numbers 129 on up are always reserved for special-purpose 49 registers. */ 50 first_spr_regnum = 129, 51 psr_regnum = 129, 52 ccr_regnum = 130, 53 cccr_regnum = 131, 54 fdpic_loadmap_exec_regnum = 132, 55 fdpic_loadmap_interp_regnum = 133, 56 tbr_regnum = 135, 57 brr_regnum = 136, 58 dbar0_regnum = 137, 59 dbar1_regnum = 138, 60 dbar2_regnum = 139, 61 dbar3_regnum = 140, 62 scr0_regnum = 141, 63 scr1_regnum = 142, 64 scr2_regnum = 143, 65 scr3_regnum = 144, 66 lr_regnum = 145, 67 lcr_regnum = 146, 68 iacc0h_regnum = 147, 69 iacc0l_regnum = 148, 70 fsr0_regnum = 149, 71 acc0_regnum = 150, 72 acc7_regnum = 157, 73 accg0123_regnum = 158, 74 accg4567_regnum = 159, 75 msr0_regnum = 160, 76 msr1_regnum = 161, 77 gner0_regnum = 162, 78 gner1_regnum = 163, 79 fner0_regnum = 164, 80 fner1_regnum = 165, 81 last_spr_regnum = 165, 82 83 /* The total number of registers we know exist. */ 84 frv_num_regs = last_spr_regnum + 1, 85 86 /* Pseudo registers */ 87 first_pseudo_regnum = frv_num_regs, 88 89 /* iacc0 - the 64-bit concatenation of iacc0h and iacc0l. */ 90 iacc0_regnum = first_pseudo_regnum + 0, 91 accg0_regnum = first_pseudo_regnum + 1, 92 accg7_regnum = accg0_regnum + 7, 93 94 last_pseudo_regnum = accg7_regnum, 95 frv_num_pseudo_regs = last_pseudo_regnum - first_pseudo_regnum + 1, 96}; 97 98/* Return the FR-V ABI associated with GDBARCH. */ 99enum frv_abi frv_abi (struct gdbarch *gdbarch); 100 101/* Fetch the interpreter and executable loadmap addresses (for shared 102 library support) for the FDPIC ABI. Return 0 if successful, -1 if 103 not. (E.g, -1 will be returned if the ABI isn't the FDPIC ABI.) */ 104int frv_fdpic_loadmap_addresses (struct gdbarch *gdbarch, 105 CORE_ADDR *interp_addr, CORE_ADDR *exec_addr); 106 107/* Given a function entry point, find and return the GOT address for the 108 containing load module. */ 109CORE_ADDR frv_fdpic_find_global_pointer (CORE_ADDR addr); 110 111/* Given a function entry point, find and return the canonical descriptor 112 for that function, if one exists. If no canonical descriptor could 113 be found, return 0. */ 114CORE_ADDR frv_fdpic_find_canonical_descriptor (CORE_ADDR entry_point); 115 116 117/* Given an objfile, return the address of its link map. This value is 118 needed for TLS support. */ 119CORE_ADDR frv_fetch_objfile_link_map (struct objfile *objfile); 120 121struct target_so_ops; 122extern struct target_so_ops frv_so_ops; 123 124#endif /* FRV_TDEP_H */ 125