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38 lines
1016 B
38 lines
1016 B
// SPDX-License-Identifier: GPL-2.0 |
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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_ARM_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_ARM_##r); \ |
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val; \ |
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}) |
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dwarf_regs[0] = REG(R0); |
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dwarf_regs[1] = REG(R1); |
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dwarf_regs[2] = REG(R2); |
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dwarf_regs[3] = REG(R3); |
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dwarf_regs[4] = REG(R4); |
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dwarf_regs[5] = REG(R5); |
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dwarf_regs[6] = REG(R6); |
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dwarf_regs[7] = REG(R7); |
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dwarf_regs[8] = REG(R8); |
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dwarf_regs[9] = REG(R9); |
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dwarf_regs[10] = REG(R10); |
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dwarf_regs[11] = REG(FP); |
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dwarf_regs[12] = REG(IP); |
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dwarf_regs[13] = REG(SP); |
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dwarf_regs[14] = REG(LR); |
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dwarf_regs[15] = REG(PC); |
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return dwfl_thread_state_registers(thread, 0, PERF_REG_ARM_MAX, |
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dwarf_regs); |
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}
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