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77 lines
2.1 KiB
77 lines
2.1 KiB
// 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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