1 /* Architecture-dependent code for the Fujitsu FR-V, for GDB, the GNU Debugger.
2 Copyright (C) 2004-2019 Free Software Foundation, Inc.
4 This file is part of GDB.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>. */
19 /* Enumerate the possible ABIs for FR-V. */
26 /* Register numbers. The order in which these appear define the
27 remote protocol, so take care in changing them. */
29 /* Register numbers 0 -- 63 are always reserved for general-purpose
30 registers. The chip at hand may have less. */
34 struct_return_regnum = 3,
37 /* Register numbers 64 -- 127 are always reserved for floating-point
38 registers. The chip at hand may have less. */
39 first_fpr_regnum = 64,
40 last_fpr_regnum = 127,
42 /* The PC register. */
45 /* Register numbers 129 on up are always reserved for special-purpose
47 first_spr_regnum = 129,
51 fdpic_loadmap_exec_regnum = 132,
52 fdpic_loadmap_interp_regnum = 133,
70 accg0123_regnum = 158,
71 accg4567_regnum = 159,
78 last_spr_regnum = 165,
80 /* The total number of registers we know exist. */
81 frv_num_regs = last_spr_regnum + 1,
83 /* Pseudo registers */
84 first_pseudo_regnum = frv_num_regs,
86 /* iacc0 - the 64-bit concatenation of iacc0h and iacc0l. */
87 iacc0_regnum = first_pseudo_regnum + 0,
88 accg0_regnum = first_pseudo_regnum + 1,
89 accg7_regnum = accg0_regnum + 7,
91 last_pseudo_regnum = accg7_regnum,
92 frv_num_pseudo_regs = last_pseudo_regnum - first_pseudo_regnum + 1,
95 /* Return the FR-V ABI associated with GDBARCH. */
96 enum frv_abi frv_abi (struct gdbarch *gdbarch);
98 /* Fetch the interpreter and executable loadmap addresses (for shared
99 library support) for the FDPIC ABI. Return 0 if successful, -1 if
100 not. (E.g, -1 will be returned if the ABI isn't the FDPIC ABI.) */
101 int frv_fdpic_loadmap_addresses (struct gdbarch *gdbarch,
102 CORE_ADDR *interp_addr, CORE_ADDR *exec_addr);
104 /* Given a function entry point, find and return the GOT address for the
105 containing load module. */
106 CORE_ADDR frv_fdpic_find_global_pointer (CORE_ADDR addr);
108 /* Given a function entry point, find and return the canonical descriptor
109 for that function, if one exists. If no canonical descriptor could
110 be found, return 0. */
111 CORE_ADDR frv_fdpic_find_canonical_descriptor (CORE_ADDR entry_point);
114 /* Given an objfile, return the address of its link map. This value is
115 needed for TLS support. */
116 CORE_ADDR frv_fetch_objfile_link_map (struct objfile *objfile);
118 struct target_so_ops;
119 extern struct target_so_ops frv_so_ops;