mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-27 04:52:05 +08:00
121 lines
3.8 KiB
C
121 lines
3.8 KiB
C
/* Architecture-dependent code for the Fujitsu FR-V, for GDB, the GNU Debugger.
|
|
Copyright (C) 2004-2016 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/>. */
|
|
|
|
/* 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;
|
|
|