forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
57 lines
1.5 KiB
57 lines
1.5 KiB
// SPDX-License-Identifier: GPL-2.0 |
|
/* Copyright (C) 2019 Hangzhou C-SKY Microsystems co.,ltd. */ |
|
|
|
#include <elfutils/libdwfl.h> |
|
#include "../../util/unwind-libdw.h" |
|
#include "../../util/perf_regs.h" |
|
#include "../../util/event.h" |
|
|
|
bool libdw__arch_set_initial_registers(Dwfl_Thread *thread, void *arg) |
|
{ |
|
struct unwind_info *ui = arg; |
|
struct regs_dump *user_regs = &ui->sample->user_regs; |
|
Dwarf_Word dwarf_regs[32]; |
|
|
|
#define REG(r) ({ \ |
|
Dwarf_Word val = 0; \ |
|
perf_reg_value(&val, user_regs, PERF_REG_RISCV_##r); \ |
|
val; \ |
|
}) |
|
|
|
dwarf_regs[0] = 0; |
|
dwarf_regs[1] = REG(RA); |
|
dwarf_regs[2] = REG(SP); |
|
dwarf_regs[3] = REG(GP); |
|
dwarf_regs[4] = REG(TP); |
|
dwarf_regs[5] = REG(T0); |
|
dwarf_regs[6] = REG(T1); |
|
dwarf_regs[7] = REG(T2); |
|
dwarf_regs[8] = REG(S0); |
|
dwarf_regs[9] = REG(S1); |
|
dwarf_regs[10] = REG(A0); |
|
dwarf_regs[11] = REG(A1); |
|
dwarf_regs[12] = REG(A2); |
|
dwarf_regs[13] = REG(A3); |
|
dwarf_regs[14] = REG(A4); |
|
dwarf_regs[15] = REG(A5); |
|
dwarf_regs[16] = REG(A6); |
|
dwarf_regs[17] = REG(A7); |
|
dwarf_regs[18] = REG(S2); |
|
dwarf_regs[19] = REG(S3); |
|
dwarf_regs[20] = REG(S4); |
|
dwarf_regs[21] = REG(S5); |
|
dwarf_regs[22] = REG(S6); |
|
dwarf_regs[23] = REG(S7); |
|
dwarf_regs[24] = REG(S8); |
|
dwarf_regs[25] = REG(S9); |
|
dwarf_regs[26] = REG(S10); |
|
dwarf_regs[27] = REG(S11); |
|
dwarf_regs[28] = REG(T3); |
|
dwarf_regs[29] = REG(T4); |
|
dwarf_regs[30] = REG(T5); |
|
dwarf_regs[31] = REG(T6); |
|
dwfl_thread_state_register_pc(thread, REG(PC)); |
|
|
|
return dwfl_thread_state_registers(thread, 0, PERF_REG_RISCV_MAX, |
|
dwarf_regs); |
|
}
|
|
|