// SPDX-License-Identifier: GPL-2.0 // Copyright (C) 2019 Hangzhou C-SKY Microsystems co.,ltd. #include <elfutils/libdwfl.h> #include "perf_regs.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 = perf_sample__user_regs(ui->sample); Dwarf_Word dwarf_regs[PERF_REG_CSKY_MAX]; #define REG(r) ({ \ Dwarf_Word val = 0; \ perf_reg_value(&val, user_regs, PERF_REG_CSKY_##r); \ val; \ }) #if defined(__CSKYABIV2__) dwarf_regs[0] = REG(A0); dwarf_regs[1] = REG(A1); dwarf_regs[2] = REG(A2); dwarf_regs[3] = REG(A3); dwarf_regs[4] = REG(REGS0); dwarf_regs[5] = REG(REGS1); dwarf_regs[6] = REG(REGS2); dwarf_regs[7] = REG(REGS3); dwarf_regs[8] = REG(REGS4); dwarf_regs[9] = REG(REGS5); dwarf_regs[10] = REG(REGS6); dwarf_regs[11] = REG(REGS7); dwarf_regs[12] = REG(REGS8); dwarf_regs[13] = REG(REGS9); dwarf_regs[14] = REG(SP); dwarf_regs[15] = REG(LR); dwarf_regs[16] = REG(EXREGS0); dwarf_regs[17] = REG(EXREGS1); dwarf_regs[18] = REG(EXREGS2); dwarf_regs[19] = REG(EXREGS3); dwarf_regs[20] = REG(EXREGS4); dwarf_regs[21] = REG(EXREGS5); dwarf_regs[22] = REG(EXREGS6); dwarf_regs[23] = REG(EXREGS7); dwarf_regs[24] = REG(EXREGS8); dwarf_regs[25] = REG(EXREGS9); dwarf_regs[26] = REG(EXREGS10); dwarf_regs[27] = REG(EXREGS11); dwarf_regs[28] = REG(EXREGS12); dwarf_regs[29] = REG(EXREGS13); dwarf_regs[30] = REG(EXREGS14); dwarf_regs[31] = REG(TLS); dwarf_regs[32] = REG(PC); #else dwarf_regs[0] = REG(SP); dwarf_regs[1] = REG(REGS9); dwarf_regs[2] = REG(A0); dwarf_regs[3] = REG(A1); dwarf_regs[4] = REG(A2); dwarf_regs[5] = REG(A3); dwarf_regs[6] = REG(REGS0); dwarf_regs[7] = REG(REGS1); dwarf_regs[8] = REG(REGS2); dwarf_regs[9] = REG(REGS3); dwarf_regs[10] = REG(REGS4); dwarf_regs[11] = REG(REGS5); dwarf_regs[12] = REG(REGS6); dwarf_regs[13] = REG(REGS7); dwarf_regs[14] = REG(REGS8); dwarf_regs[15] = REG(LR); #endif dwfl_thread_state_register_pc(thread, REG(PC)); return dwfl_thread_state_registers(thread, 0, PERF_REG_CSKY_MAX, dwarf_regs); }