/src/elfutils/backends/m68k_initreg.c
Line | Count | Source |
1 | | /* Fetch live process registers from TID. |
2 | | This file is part of elfutils. |
3 | | |
4 | | This file is free software; you can redistribute it and/or modify |
5 | | it under the terms of either |
6 | | |
7 | | * the GNU Lesser General Public License as published by the Free |
8 | | Software Foundation; either version 3 of the License, or (at |
9 | | your option) any later version |
10 | | |
11 | | or |
12 | | |
13 | | * the GNU General Public License as published by the Free |
14 | | Software Foundation; either version 2 of the License, or (at |
15 | | your option) any later version |
16 | | |
17 | | or both in parallel, as here. |
18 | | |
19 | | elfutils is distributed in the hope that it will be useful, but |
20 | | WITHOUT ANY WARRANTY; without even the implied warranty of |
21 | | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
22 | | General Public License for more details. |
23 | | |
24 | | You should have received copies of the GNU General Public License and |
25 | | the GNU Lesser General Public License along with this program. If |
26 | | not, see <http://www.gnu.org/licenses/>. */ |
27 | | |
28 | | #ifdef HAVE_CONFIG_H |
29 | | # include <config.h> |
30 | | #endif |
31 | | |
32 | | #if defined __m68k__ && defined __linux__ |
33 | | # include <sys/types.h> |
34 | | # include <sys/user.h> |
35 | | # include <sys/ptrace.h> |
36 | | #endif |
37 | | |
38 | | #define BACKEND m68k_ |
39 | | #include "libebl_CPU.h" |
40 | | |
41 | | bool |
42 | | m68k_set_initial_registers_tid (pid_t tid __attribute__ ((unused)), |
43 | | ebl_tid_registers_t *setfunc __attribute__ ((unused)), |
44 | | void *arg __attribute__ ((unused))) |
45 | 0 | { |
46 | 0 | #if !defined __m68k__ || !defined __linux__ |
47 | 0 | return false; |
48 | | #else /* __m68k__ */ |
49 | | struct user_regs_struct user_regs; |
50 | | if (ptrace (PTRACE_GETREGS, tid, NULL, &user_regs) != 0) |
51 | | return false; |
52 | | |
53 | | Dwarf_Word dwarf_regs[16]; |
54 | | dwarf_regs[0] = user_regs.d0; |
55 | | dwarf_regs[1] = user_regs.d1; |
56 | | dwarf_regs[2] = user_regs.d2; |
57 | | dwarf_regs[3] = user_regs.d3; |
58 | | dwarf_regs[4] = user_regs.d4; |
59 | | dwarf_regs[5] = user_regs.d5; |
60 | | dwarf_regs[6] = user_regs.d6; |
61 | | dwarf_regs[7] = user_regs.d7; |
62 | | dwarf_regs[8] = user_regs.a0; |
63 | | dwarf_regs[9] = user_regs.a1; |
64 | | dwarf_regs[10] = user_regs.a2; |
65 | | dwarf_regs[11] = user_regs.a3; |
66 | | dwarf_regs[12] = user_regs.a4; |
67 | | dwarf_regs[13] = user_regs.a5; |
68 | | dwarf_regs[14] = user_regs.a6; |
69 | | dwarf_regs[15] = user_regs.usp; |
70 | | |
71 | | /* D0..D7, A0..A7. */ |
72 | | if (! setfunc (0, 16, dwarf_regs, arg)) |
73 | | return false; |
74 | | |
75 | | /* PC. */ |
76 | | dwarf_regs[0] = user_regs.pc; |
77 | | if (! setfunc (24, 1, dwarf_regs, arg)) |
78 | | return false; |
79 | | |
80 | | return true; |
81 | | #endif /* __m68k__ */ |
82 | 0 | } |