Commit | Line | Data |
---|---|---|
51bc620b MH |
1 | // SPDX-License-Identifier: GPL-2.0 |
2 | /* Copyright (C) 2019 Hangzhou C-SKY Microsystems co.,ltd. */ | |
3 | ||
4 | #include <elfutils/libdwfl.h> | |
5 | #include "../../util/unwind-libdw.h" | |
6 | #include "../../util/perf_regs.h" | |
a8f54d94 | 7 | #include "../../util/sample.h" |
51bc620b MH |
8 | |
9 | bool libdw__arch_set_initial_registers(Dwfl_Thread *thread, void *arg) | |
10 | { | |
11 | struct unwind_info *ui = arg; | |
12 | struct regs_dump *user_regs = &ui->sample->user_regs; | |
13 | Dwarf_Word dwarf_regs[32]; | |
14 | ||
15 | #define REG(r) ({ \ | |
16 | Dwarf_Word val = 0; \ | |
17 | perf_reg_value(&val, user_regs, PERF_REG_RISCV_##r); \ | |
18 | val; \ | |
19 | }) | |
20 | ||
21 | dwarf_regs[0] = 0; | |
22 | dwarf_regs[1] = REG(RA); | |
23 | dwarf_regs[2] = REG(SP); | |
24 | dwarf_regs[3] = REG(GP); | |
25 | dwarf_regs[4] = REG(TP); | |
26 | dwarf_regs[5] = REG(T0); | |
27 | dwarf_regs[6] = REG(T1); | |
28 | dwarf_regs[7] = REG(T2); | |
29 | dwarf_regs[8] = REG(S0); | |
30 | dwarf_regs[9] = REG(S1); | |
31 | dwarf_regs[10] = REG(A0); | |
32 | dwarf_regs[11] = REG(A1); | |
33 | dwarf_regs[12] = REG(A2); | |
34 | dwarf_regs[13] = REG(A3); | |
35 | dwarf_regs[14] = REG(A4); | |
36 | dwarf_regs[15] = REG(A5); | |
37 | dwarf_regs[16] = REG(A6); | |
38 | dwarf_regs[17] = REG(A7); | |
39 | dwarf_regs[18] = REG(S2); | |
40 | dwarf_regs[19] = REG(S3); | |
41 | dwarf_regs[20] = REG(S4); | |
42 | dwarf_regs[21] = REG(S5); | |
43 | dwarf_regs[22] = REG(S6); | |
44 | dwarf_regs[23] = REG(S7); | |
45 | dwarf_regs[24] = REG(S8); | |
46 | dwarf_regs[25] = REG(S9); | |
47 | dwarf_regs[26] = REG(S10); | |
48 | dwarf_regs[27] = REG(S11); | |
49 | dwarf_regs[28] = REG(T3); | |
50 | dwarf_regs[29] = REG(T4); | |
51 | dwarf_regs[30] = REG(T5); | |
52 | dwarf_regs[31] = REG(T6); | |
53 | dwfl_thread_state_register_pc(thread, REG(PC)); | |
54 | ||
55 | return dwfl_thread_state_registers(thread, 0, PERF_REG_RISCV_MAX, | |
56 | dwarf_regs); | |
57 | } |