/* Architecture-dependent code for the Fujitsu FR-V, for GDB, the GNU Debugger. Copyright 2004 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. */ /* 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);