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// 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[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);
}
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