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7e295833 | 1 | /* Architecture-dependent code for the Fujitsu FR-V, for GDB, the GNU Debugger. |
7b6bb8da JB |
2 | Copyright (C) 2004, 2007, 2008, 2009, 2010, 2011 |
3 | Free Software Foundation, Inc. | |
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4 | |
5 | This file is part of GDB. | |
6 | ||
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 | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
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10 | (at your option) any later version. |
11 | ||
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. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
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19 | |
20 | /* Enumerate the possible ABIs for FR-V. */ | |
21 | enum frv_abi | |
22 | { | |
23 | FRV_ABI_EABI, | |
24 | FRV_ABI_FDPIC | |
25 | }; | |
26 | ||
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27 | /* Register numbers. The order in which these appear define the |
28 | remote protocol, so take care in changing them. */ | |
29 | enum { | |
30 | /* Register numbers 0 -- 63 are always reserved for general-purpose | |
31 | registers. The chip at hand may have less. */ | |
32 | first_gpr_regnum = 0, | |
33 | sp_regnum = 1, | |
34 | fp_regnum = 2, | |
35 | struct_return_regnum = 3, | |
36 | last_gpr_regnum = 63, | |
37 | ||
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, | |
42 | ||
43 | /* The PC register. */ | |
44 | pc_regnum = 128, | |
45 | ||
46 | /* Register numbers 129 on up are always reserved for special-purpose | |
47 | registers. */ | |
48 | first_spr_regnum = 129, | |
49 | psr_regnum = 129, | |
50 | ccr_regnum = 130, | |
51 | cccr_regnum = 131, | |
52 | fdpic_loadmap_exec_regnum = 132, | |
53 | fdpic_loadmap_interp_regnum = 133, | |
54 | tbr_regnum = 135, | |
55 | brr_regnum = 136, | |
56 | dbar0_regnum = 137, | |
57 | dbar1_regnum = 138, | |
58 | dbar2_regnum = 139, | |
59 | dbar3_regnum = 140, | |
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60 | scr0_regnum = 141, |
61 | scr1_regnum = 142, | |
62 | scr2_regnum = 143, | |
63 | scr3_regnum = 144, | |
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64 | lr_regnum = 145, |
65 | lcr_regnum = 146, | |
66 | iacc0h_regnum = 147, | |
67 | iacc0l_regnum = 148, | |
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68 | fsr0_regnum = 149, |
69 | acc0_regnum = 150, | |
70 | acc7_regnum = 157, | |
71 | accg0123_regnum = 158, | |
72 | accg4567_regnum = 159, | |
73 | msr0_regnum = 160, | |
74 | msr1_regnum = 161, | |
75 | gner0_regnum = 162, | |
76 | gner1_regnum = 163, | |
77 | fner0_regnum = 164, | |
78 | fner1_regnum = 165, | |
79 | last_spr_regnum = 165, | |
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80 | |
81 | /* The total number of registers we know exist. */ | |
82 | frv_num_regs = last_spr_regnum + 1, | |
83 | ||
84 | /* Pseudo registers */ | |
85 | first_pseudo_regnum = frv_num_regs, | |
86 | ||
87 | /* iacc0 - the 64-bit concatenation of iacc0h and iacc0l. */ | |
88 | iacc0_regnum = first_pseudo_regnum + 0, | |
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89 | accg0_regnum = first_pseudo_regnum + 1, |
90 | accg7_regnum = accg0_regnum + 7, | |
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8b67aa36 | 92 | last_pseudo_regnum = accg7_regnum, |
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93 | frv_num_pseudo_regs = last_pseudo_regnum - first_pseudo_regnum + 1, |
94 | }; | |
95 | ||
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96 | /* Return the FR-V ABI associated with GDBARCH. */ |
97 | enum frv_abi frv_abi (struct gdbarch *gdbarch); | |
98 | ||
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); | |
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104 | |
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); | |
108 | ||
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); | |
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113 | |
114 | ||
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); | |
917630e4 UW |
118 | |
119 | struct target_so_ops; | |
120 | extern struct target_so_ops frv_so_ops; | |
121 |