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/* 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,
last_spr_regnum = 148,
/* 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,
last_pseudo_regnum = iacc0_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);
/* Associate a sigcontext address fetcher with GDBARCH. */
void frv_set_sigcontext_reg_addr (struct gdbarch *gdbarch,
CORE_ADDR (*sigcontext_reg_addr)
(struct frame_info *, int, CORE_ADDR *));
/* 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);
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