/src/elfutils/backends/arm_initreg_sample.c
Line | Count | Source |
1 | | /* Populate process registers from a register sample. |
2 | | Copyright (C) 2026 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 | | #define BACKEND arm_ |
34 | | #include "libebl_CPU.h" |
35 | | #include "libebl_PERF_FLAGS.h" |
36 | | |
37 | | bool |
38 | | arm_sample_sp_pc (const Dwarf_Word *regs, uint32_t n_regs, |
39 | | const int *regs_mapping, size_t n_regs_mapping, |
40 | | Dwarf_Word *sp, Dwarf_Word *pc) |
41 | 0 | { |
42 | 0 | return generic_sample_sp_pc (regs, n_regs, regs_mapping, n_regs_mapping, |
43 | 0 | sp, 13 /* index of sp in dwarf_regs */, |
44 | 0 | pc, 15 /* index of pc in dwarf_regs */); |
45 | 0 | } |
46 | | |
47 | | /* XXX The default ebl_set_initial_registers_sample implementation can |
48 | | be used -- whereas the ptrace code in arm_initreg.c has to unpack a |
49 | | register file of 32-bit words into a Dwarf_Word array, here we |
50 | | should already be provided an appropriately-packed array |
51 | | originating from perf_events. */ |