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