/src/elfutils/backends/sparc_regs.c
Line | Count | Source (jump to first uncovered line) |
1 | | /* Register names and numbers for SPARC DWARF. |
2 | | Copyright (C) 2005, 2006, 2015 Red Hat, Inc. |
3 | | This file is part of elfutils. |
4 | | |
5 | | This file is free software; you can redistribute it and/or modify |
6 | | it under the terms of either |
7 | | |
8 | | * the GNU Lesser General Public License as published by the Free |
9 | | Software Foundation; either version 3 of the License, or (at |
10 | | your option) any later version |
11 | | |
12 | | or |
13 | | |
14 | | * the GNU General Public License as published by the Free |
15 | | Software Foundation; either version 2 of the License, or (at |
16 | | your option) any later version |
17 | | |
18 | | or both in parallel, as here. |
19 | | |
20 | | elfutils is distributed in the hope that it will be useful, but |
21 | | WITHOUT ANY WARRANTY; without even the implied warranty of |
22 | | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
23 | | General Public License for more details. |
24 | | |
25 | | You should have received copies of the GNU General Public License and |
26 | | the GNU Lesser General Public License along with this program. If |
27 | | not, see <http://www.gnu.org/licenses/>. */ |
28 | | |
29 | | #ifdef HAVE_CONFIG_H |
30 | | # include <config.h> |
31 | | #endif |
32 | | |
33 | | #include <string.h> |
34 | | #include <dwarf.h> |
35 | | |
36 | | #define BACKEND sparc_ |
37 | | #include "libebl_CPU.h" |
38 | | |
39 | | ssize_t |
40 | | sparc_register_info (Ebl *ebl, |
41 | | int regno, char *name, size_t namelen, |
42 | | const char **prefix, const char **setname, |
43 | | int *bits, int *type) |
44 | 0 | { |
45 | 0 | const int nfp = 32 + (ebl->class == ELFCLASS32 ? 0 : 16); |
46 | 0 | const int nspec = ebl->class == ELFCLASS32 ? 8 : 6; |
47 | |
|
48 | 0 | if (name == NULL) |
49 | 0 | return 32 + nfp + nspec; |
50 | | |
51 | 0 | if (regno < 0 || regno >= 32 + nfp + nspec || namelen < 6) |
52 | 0 | return -1; |
53 | | |
54 | 0 | *bits = ebl->class == ELFCLASS32 ? 32 : 64; |
55 | 0 | *type = DW_ATE_signed; |
56 | |
|
57 | 0 | *prefix = "%"; |
58 | |
|
59 | 0 | if (regno >= 32 + nfp) |
60 | 0 | { |
61 | 0 | regno -= 32 + nfp; |
62 | 0 | static const char names[2][8][6] = |
63 | 0 | { |
64 | 0 | { "y", "psr", "wim", "tbr", "pc", "npc", "fsr", "csr" }, /* v8 */ |
65 | 0 | { "pc", "npc", "state", "fsr", "fprs", "y" } /* v9 */ |
66 | 0 | }; |
67 | 0 | *setname = "control"; |
68 | 0 | *type = DW_ATE_unsigned; |
69 | 0 | if ((ebl->class == ELFCLASS64 ? 0 : 4) + 1 - (unsigned int) regno <= 1) |
70 | 0 | *type = DW_ATE_address; |
71 | 0 | return stpncpy (name, names[ebl->class == ELFCLASS64][regno], |
72 | 0 | namelen) + 1 - name; |
73 | 0 | } |
74 | | |
75 | 0 | if (regno < 32) |
76 | 0 | { |
77 | 0 | *setname = "integer"; |
78 | 0 | name[0] = "goli"[regno >> 3]; |
79 | 0 | name[1] = (regno & 7) + '0'; |
80 | 0 | namelen = 2; |
81 | 0 | if ((regno & 8) && (regno & 7) == 6) |
82 | 0 | *type = DW_ATE_address; |
83 | 0 | } |
84 | 0 | else |
85 | 0 | { |
86 | 0 | *setname = "FPU"; |
87 | 0 | *type = DW_ATE_float; |
88 | |
|
89 | 0 | regno -= 32; |
90 | 0 | if (regno >= 32) |
91 | 0 | regno = 32 + 2 * (regno - 32); |
92 | 0 | else |
93 | 0 | *bits = 32; |
94 | |
|
95 | 0 | name[0] = 'f'; |
96 | 0 | if (regno < 10) |
97 | 0 | { |
98 | 0 | name[1] = regno + '0'; |
99 | 0 | namelen = 2; |
100 | 0 | } |
101 | 0 | else |
102 | 0 | { |
103 | 0 | name[1] = regno / 10 + '0'; |
104 | 0 | name[2] = regno % 10 + '0'; |
105 | 0 | namelen = 3; |
106 | 0 | } |
107 | 0 | } |
108 | |
|
109 | 0 | name[namelen++] = '\0'; |
110 | 0 | return namelen; |
111 | 0 | } |