1 /* Architecture-dependent code for the Fujitsu FR-V, for GDB, the GNU Debugger.
2 Copyright (C) 2004, 2007, 2008, 2009, 2010, 2011
3 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
20 /* Enumerate the possible ABIs for FR-V. */
27 /* Register numbers. The order in which these appear define the
28 remote protocol, so take care in changing them. */
30 /* Register numbers 0 -- 63 are always reserved for general-purpose
31 registers. The chip at hand may have less. */
35 struct_return_regnum = 3,
38 /* Register numbers 64 -- 127 are always reserved for floating-point
39 registers. The chip at hand may have less. */
40 first_fpr_regnum = 64,
41 last_fpr_regnum = 127,
43 /* The PC register. */
46 /* Register numbers 129 on up are always reserved for special-purpose
48 first_spr_regnum = 129,
52 fdpic_loadmap_exec_regnum = 132,
53 fdpic_loadmap_interp_regnum = 133,
71 accg0123_regnum = 158,
72 accg4567_regnum = 159,
79 last_spr_regnum = 165,
81 /* The total number of registers we know exist. */
82 frv_num_regs = last_spr_regnum + 1,
84 /* Pseudo registers */
85 first_pseudo_regnum = frv_num_regs,
87 /* iacc0 - the 64-bit concatenation of iacc0h and iacc0l. */
88 iacc0_regnum = first_pseudo_regnum + 0,
89 accg0_regnum = first_pseudo_regnum + 1,
90 accg7_regnum = accg0_regnum + 7,
92 last_pseudo_regnum = accg7_regnum,
93 frv_num_pseudo_regs = last_pseudo_regnum - first_pseudo_regnum + 1,
96 /* Return the FR-V ABI associated with GDBARCH. */
97 enum frv_abi frv_abi (struct gdbarch *gdbarch);
99 /* Fetch the interpreter and executable loadmap addresses (for shared
100 library support) for the FDPIC ABI. Return 0 if successful, -1 if
101 not. (E.g, -1 will be returned if the ABI isn't the FDPIC ABI.) */
102 int frv_fdpic_loadmap_addresses (struct gdbarch *gdbarch,
103 CORE_ADDR *interp_addr, CORE_ADDR *exec_addr);
105 /* Given a function entry point, find and return the GOT address for the
106 containing load module. */
107 CORE_ADDR frv_fdpic_find_global_pointer (CORE_ADDR addr);
109 /* Given a function entry point, find and return the canonical descriptor
110 for that function, if one exists. If no canonical descriptor could
111 be found, return 0. */
112 CORE_ADDR frv_fdpic_find_canonical_descriptor (CORE_ADDR entry_point);
115 /* Given an objfile, return the address of its link map. This value is
116 needed for TLS support. */
117 CORE_ADDR frv_fetch_objfile_link_map (struct objfile *objfile);
119 struct target_so_ops;
120 extern struct target_so_ops frv_so_ops;