// SPDX-License-Identifier: GPL-2.0 #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[PERF_REG_ARM_MAX]; #define REG(r) ({ \ Dwarf_Word val = 0; \ perf_reg_value(&val, user_regs, PERF_REG_ARM_##r); \ val; \ }) dwarf_regs[0] = REG(R0); dwarf_regs[1] = REG(R1); dwarf_regs[2] = REG(R2); dwarf_regs[3] = REG(R3); dwarf_regs[4] = REG(R4); dwarf_regs[5] = REG(R5); dwarf_regs[6] = REG(R6); dwarf_regs[7] = REG(R7); dwarf_regs[8] = REG(R8); dwarf_regs[9] = REG(R9); dwarf_regs[10] = REG(R10); dwarf_regs[11] = REG(FP); dwarf_regs[12] = REG(IP); dwarf_regs[13] = REG(SP); dwarf_regs[14] = REG(LR); dwarf_regs[15] = REG(PC); return dwfl_thread_state_registers(thread, 0, PERF_REG_ARM_MAX, dwarf_regs); }