| /* Architecture-dependent code for the Fujitsu FR-V, for GDB, the GNU Debugger. |
| Copyright (C) 2004-2021 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 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 FRV_TDEP_H |
| #define FRV_TDEP_H |
| |
| /* Enumerate the possible ABIs for FR-V. */ |
| enum frv_abi |
| { |
| FRV_ABI_EABI, |
| FRV_ABI_FDPIC |
| }; |
| |
| /* Register numbers. The order in which these appear define the |
| remote protocol, so take care in changing them. */ |
| enum { |
| /* Register numbers 0 -- 63 are always reserved for general-purpose |
| registers. The chip at hand may have less. */ |
| first_gpr_regnum = 0, |
| sp_regnum = 1, |
| fp_regnum = 2, |
| struct_return_regnum = 3, |
| last_gpr_regnum = 63, |
| |
| /* Register numbers 64 -- 127 are always reserved for floating-point |
| registers. The chip at hand may have less. */ |
| first_fpr_regnum = 64, |
| last_fpr_regnum = 127, |
| |
| /* The PC register. */ |
| pc_regnum = 128, |
| |
| /* Register numbers 129 on up are always reserved for special-purpose |
| registers. */ |
| first_spr_regnum = 129, |
| psr_regnum = 129, |
| ccr_regnum = 130, |
| cccr_regnum = 131, |
| fdpic_loadmap_exec_regnum = 132, |
| fdpic_loadmap_interp_regnum = 133, |
| tbr_regnum = 135, |
| brr_regnum = 136, |
| dbar0_regnum = 137, |
| dbar1_regnum = 138, |
| dbar2_regnum = 139, |
| dbar3_regnum = 140, |
| scr0_regnum = 141, |
| scr1_regnum = 142, |
| scr2_regnum = 143, |
| scr3_regnum = 144, |
| lr_regnum = 145, |
| lcr_regnum = 146, |
| iacc0h_regnum = 147, |
| iacc0l_regnum = 148, |
| fsr0_regnum = 149, |
| acc0_regnum = 150, |
| acc7_regnum = 157, |
| accg0123_regnum = 158, |
| accg4567_regnum = 159, |
| msr0_regnum = 160, |
| msr1_regnum = 161, |
| gner0_regnum = 162, |
| gner1_regnum = 163, |
| fner0_regnum = 164, |
| fner1_regnum = 165, |
| last_spr_regnum = 165, |
| |
| /* The total number of registers we know exist. */ |
| frv_num_regs = last_spr_regnum + 1, |
| |
| /* Pseudo registers */ |
| first_pseudo_regnum = frv_num_regs, |
| |
| /* iacc0 - the 64-bit concatenation of iacc0h and iacc0l. */ |
| iacc0_regnum = first_pseudo_regnum + 0, |
| accg0_regnum = first_pseudo_regnum + 1, |
| accg7_regnum = accg0_regnum + 7, |
| |
| last_pseudo_regnum = accg7_regnum, |
| frv_num_pseudo_regs = last_pseudo_regnum - first_pseudo_regnum + 1, |
| }; |
| |
| /* Return the FR-V ABI associated with GDBARCH. */ |
| enum frv_abi frv_abi (struct gdbarch *gdbarch); |
| |
| /* Fetch the interpreter and executable loadmap addresses (for shared |
| library support) for the FDPIC ABI. Return 0 if successful, -1 if |
| not. (E.g, -1 will be returned if the ABI isn't the FDPIC ABI.) */ |
| int frv_fdpic_loadmap_addresses (struct gdbarch *gdbarch, |
| CORE_ADDR *interp_addr, CORE_ADDR *exec_addr); |
| |
| /* Given a function entry point, find and return the GOT address for the |
| containing load module. */ |
| CORE_ADDR frv_fdpic_find_global_pointer (CORE_ADDR addr); |
| |
| /* Given a function entry point, find and return the canonical descriptor |
| for that function, if one exists. If no canonical descriptor could |
| be found, return 0. */ |
| CORE_ADDR frv_fdpic_find_canonical_descriptor (CORE_ADDR entry_point); |
| |
| |
| /* Given an objfile, return the address of its link map. This value is |
| needed for TLS support. */ |
| CORE_ADDR frv_fetch_objfile_link_map (struct objfile *objfile); |
| |
| struct target_so_ops; |
| extern struct target_so_ops frv_so_ops; |
| |
| #endif /* FRV_TDEP_H */ |