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[binutils-gdb.git] / gdb / frv-tdep.h
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1 /* Architecture-dependent code for the Fujitsu FR-V, for GDB, the GNU Debugger.
2 Copyright (C) 2004-2023 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 #ifndef FRV_TDEP_H
20 #define FRV_TDEP_H
22 /* Enumerate the possible ABIs for FR-V. */
23 enum frv_abi
25 FRV_ABI_EABI,
26 FRV_ABI_FDPIC
29 /* Register numbers. The order in which these appear define the
30 remote protocol, so take care in changing them. */
31 enum {
32 /* Register numbers 0 -- 63 are always reserved for general-purpose
33 registers. The chip at hand may have less. */
34 first_gpr_regnum = 0,
35 sp_regnum = 1,
36 fp_regnum = 2,
37 struct_return_regnum = 3,
38 last_gpr_regnum = 63,
40 /* Register numbers 64 -- 127 are always reserved for floating-point
41 registers. The chip at hand may have less. */
42 first_fpr_regnum = 64,
43 last_fpr_regnum = 127,
45 /* The PC register. */
46 pc_regnum = 128,
48 /* Register numbers 129 on up are always reserved for special-purpose
49 registers. */
50 first_spr_regnum = 129,
51 psr_regnum = 129,
52 ccr_regnum = 130,
53 cccr_regnum = 131,
54 fdpic_loadmap_exec_regnum = 132,
55 fdpic_loadmap_interp_regnum = 133,
56 tbr_regnum = 135,
57 brr_regnum = 136,
58 dbar0_regnum = 137,
59 dbar1_regnum = 138,
60 dbar2_regnum = 139,
61 dbar3_regnum = 140,
62 scr0_regnum = 141,
63 scr1_regnum = 142,
64 scr2_regnum = 143,
65 scr3_regnum = 144,
66 lr_regnum = 145,
67 lcr_regnum = 146,
68 iacc0h_regnum = 147,
69 iacc0l_regnum = 148,
70 fsr0_regnum = 149,
71 acc0_regnum = 150,
72 acc7_regnum = 157,
73 accg0123_regnum = 158,
74 accg4567_regnum = 159,
75 msr0_regnum = 160,
76 msr1_regnum = 161,
77 gner0_regnum = 162,
78 gner1_regnum = 163,
79 fner0_regnum = 164,
80 fner1_regnum = 165,
81 last_spr_regnum = 165,
83 /* The total number of registers we know exist. */
84 frv_num_regs = last_spr_regnum + 1,
86 /* Pseudo registers */
87 first_pseudo_regnum = frv_num_regs,
89 /* iacc0 - the 64-bit concatenation of iacc0h and iacc0l. */
90 iacc0_regnum = first_pseudo_regnum + 0,
91 accg0_regnum = first_pseudo_regnum + 1,
92 accg7_regnum = accg0_regnum + 7,
94 last_pseudo_regnum = accg7_regnum,
95 frv_num_pseudo_regs = last_pseudo_regnum - first_pseudo_regnum + 1,
98 /* Return the FR-V ABI associated with GDBARCH. */
99 enum frv_abi frv_abi (struct gdbarch *gdbarch);
101 /* Fetch the interpreter and executable loadmap addresses (for shared
102 library support) for the FDPIC ABI. Return 0 if successful, -1 if
103 not. (E.g, -1 will be returned if the ABI isn't the FDPIC ABI.) */
104 int frv_fdpic_loadmap_addresses (struct gdbarch *gdbarch,
105 CORE_ADDR *interp_addr, CORE_ADDR *exec_addr);
107 /* Given a function entry point, find and return the GOT address for the
108 containing load module. */
109 CORE_ADDR frv_fdpic_find_global_pointer (CORE_ADDR addr);
111 /* Given a function entry point, find and return the canonical descriptor
112 for that function, if one exists. If no canonical descriptor could
113 be found, return 0. */
114 CORE_ADDR frv_fdpic_find_canonical_descriptor (CORE_ADDR entry_point);
117 /* Given an objfile, return the address of its link map. This value is
118 needed for TLS support. */
119 CORE_ADDR frv_fetch_objfile_link_map (struct objfile *objfile);
121 struct target_so_ops;
122 extern const struct target_so_ops frv_so_ops;
124 #endif /* FRV_TDEP_H */