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95 lines
1.5 KiB
95 lines
1.5 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#include <linux/linkage.h> |
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/* Offset is based on macros from arch/powerpc/include/uapi/asm/ptrace.h. */ |
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#define R0 0 |
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#define R1 1 * 8 |
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#define R2 2 * 8 |
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#define R3 3 * 8 |
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#define R4 4 * 8 |
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#define R5 5 * 8 |
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#define R6 6 * 8 |
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#define R7 7 * 8 |
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#define R8 8 * 8 |
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#define R9 9 * 8 |
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#define R10 10 * 8 |
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#define R11 11 * 8 |
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#define R12 12 * 8 |
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#define R13 13 * 8 |
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#define R14 14 * 8 |
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#define R15 15 * 8 |
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#define R16 16 * 8 |
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#define R17 17 * 8 |
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#define R18 18 * 8 |
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#define R19 19 * 8 |
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#define R20 20 * 8 |
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#define R21 21 * 8 |
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#define R22 22 * 8 |
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#define R23 23 * 8 |
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#define R24 24 * 8 |
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#define R25 25 * 8 |
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#define R26 26 * 8 |
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#define R27 27 * 8 |
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#define R28 28 * 8 |
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#define R29 29 * 8 |
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#define R30 30 * 8 |
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#define R31 31 * 8 |
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#define NIP 32 * 8 |
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#define CTR 35 * 8 |
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#define LINK 36 * 8 |
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#define XER 37 * 8 |
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.globl perf_regs_load |
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perf_regs_load: |
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std 0, R0(3) |
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std 1, R1(3) |
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std 2, R2(3) |
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std 3, R3(3) |
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std 4, R4(3) |
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std 5, R5(3) |
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std 6, R6(3) |
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std 7, R7(3) |
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std 8, R8(3) |
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std 9, R9(3) |
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std 10, R10(3) |
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std 11, R11(3) |
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std 12, R12(3) |
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std 13, R13(3) |
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std 14, R14(3) |
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std 15, R15(3) |
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std 16, R16(3) |
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std 17, R17(3) |
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std 18, R18(3) |
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std 19, R19(3) |
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std 20, R20(3) |
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std 21, R21(3) |
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std 22, R22(3) |
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std 23, R23(3) |
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std 24, R24(3) |
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std 25, R25(3) |
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std 26, R26(3) |
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std 27, R27(3) |
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std 28, R28(3) |
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std 29, R29(3) |
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std 30, R30(3) |
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std 31, R31(3) |
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/* store NIP */ |
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mflr 4 |
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std 4, NIP(3) |
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/* Store LR */ |
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std 4, LINK(3) |
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/* Store XER */ |
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mfxer 4 |
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std 4, XER(3) |
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/* Store CTR */ |
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mfctr 4 |
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std 4, CTR(3) |
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/* Restore original value of r4 */ |
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ld 4, R4(3) |
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blr
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