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63 lines
1.7 KiB
63 lines
1.7 KiB
#include <linux/kernel.h> |
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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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#include "dwarf-regs-table.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[ARRAY_SIZE(s390_dwarf_regs)]; |
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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_S390_##r); \ |
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val; \ |
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}) |
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/* |
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* For DWARF register mapping details, |
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* see also perf/arch/s390/include/dwarf-regs-table.h |
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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(R11); |
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dwarf_regs[12] = REG(R12); |
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dwarf_regs[13] = REG(R13); |
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dwarf_regs[14] = REG(R14); |
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dwarf_regs[15] = REG(R15); |
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dwarf_regs[16] = REG(FP0); |
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dwarf_regs[17] = REG(FP2); |
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dwarf_regs[18] = REG(FP4); |
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dwarf_regs[19] = REG(FP6); |
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dwarf_regs[20] = REG(FP1); |
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dwarf_regs[21] = REG(FP3); |
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dwarf_regs[22] = REG(FP5); |
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dwarf_regs[23] = REG(FP7); |
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dwarf_regs[24] = REG(FP8); |
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dwarf_regs[25] = REG(FP10); |
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dwarf_regs[26] = REG(FP12); |
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dwarf_regs[27] = REG(FP14); |
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dwarf_regs[28] = REG(FP9); |
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dwarf_regs[29] = REG(FP11); |
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dwarf_regs[30] = REG(FP13); |
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dwarf_regs[31] = REG(FP15); |
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dwarf_regs[64] = REG(MASK); |
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dwarf_regs[65] = REG(PC); |
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dwfl_thread_state_register_pc(thread, dwarf_regs[65]); |
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return dwfl_thread_state_registers(thread, 0, 32, dwarf_regs); |
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}
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