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1// SPDX-License-Identifier: GPL-2.02#include <elfutils/libdwfl.h>3#include "perf_regs.h"4#include "../../../util/unwind-libdw.h"5#include "../../../util/perf_regs.h"6#include "../../../util/sample.h"7 8bool libdw__arch_set_initial_registers(Dwfl_Thread *thread, void *arg)9{10 struct unwind_info *ui = arg;11 struct regs_dump *user_regs = &ui->sample->user_regs;12 Dwarf_Word dwarf_regs[PERF_REG_ARM_MAX];13 14#define REG(r) ({ \15 Dwarf_Word val = 0; \16 perf_reg_value(&val, user_regs, PERF_REG_ARM_##r); \17 val; \18})19 20 dwarf_regs[0] = REG(R0);21 dwarf_regs[1] = REG(R1);22 dwarf_regs[2] = REG(R2);23 dwarf_regs[3] = REG(R3);24 dwarf_regs[4] = REG(R4);25 dwarf_regs[5] = REG(R5);26 dwarf_regs[6] = REG(R6);27 dwarf_regs[7] = REG(R7);28 dwarf_regs[8] = REG(R8);29 dwarf_regs[9] = REG(R9);30 dwarf_regs[10] = REG(R10);31 dwarf_regs[11] = REG(FP);32 dwarf_regs[12] = REG(IP);33 dwarf_regs[13] = REG(SP);34 dwarf_regs[14] = REG(LR);35 dwarf_regs[15] = REG(PC);36 37 return dwfl_thread_state_registers(thread, 0, PERF_REG_ARM_MAX,38 dwarf_regs);39}40