mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-12-23 12:51:13 +00:00
69 lines
2.8 KiB
C++
69 lines
2.8 KiB
C++
/*
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* Copyright (c) Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <mesosphere/kern_common.hpp>
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#include <mesosphere/kern_select_cpu.hpp>
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#include <mesosphere/kern_k_debug_base.hpp>
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namespace ams::kern {
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class KThread;
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class KProcess;
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}
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namespace ams::kern::arch::arm64 {
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class KDebug final : public KAutoObjectWithSlabHeapAndContainer<KDebug, KDebugBase> {
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MESOSPHERE_AUTOOBJECT_TRAITS(KDebug, KSynchronizationObject);
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public:
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explicit KDebug() { /* ... */ }
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static void PostDestroy(uintptr_t arg) { MESOSPHERE_UNUSED(arg); /* ... */ }
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public:
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/* NOTE: These are virtual in Nintendo's kernel. */
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Result GetThreadContextImpl(ams::svc::ThreadContext *out, KThread *thread, u32 context_flags);
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Result SetThreadContextImpl(const ams::svc::ThreadContext &ctx, KThread *thread, u32 context_flags);
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private:
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Result GetFpuContext(ams::svc::ThreadContext *out, KThread *thread, u32 context_flags);
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Result SetFpuContext(const ams::svc::ThreadContext &ctx, KThread *thread, u32 context_flags);
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public:
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static uintptr_t GetProgramCounter(const KThread &thread);
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static void SetPreviousProgramCounter();
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static void PrintRegister(KThread *thread = nullptr);
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static void PrintBacktrace(KThread *thread = nullptr);
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static Result BreakIfAttached(ams::svc::BreakReason break_reason, uintptr_t address, size_t size);
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static Result SetHardwareBreakPoint(ams::svc::HardwareBreakPointRegisterName name, u64 flags, u64 value);
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static constexpr bool IsBreakInstruction(u32 insn, u32 psr) {
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constexpr u32 BreakInstructionAarch64 = 0xE7FFFFFF;
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constexpr u32 BreakInstructionAarch32 = 0xE7FFDEFE;
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constexpr u32 BreakInstructionThumb32 = 0xB68E;
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if ((psr & 0x10) == 0) {
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return insn == BreakInstructionAarch64;
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} else {
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if ((psr & 0x20) == 0) {
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return insn == BreakInstructionAarch32;
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} else {
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return insn == BreakInstructionThumb32;
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}
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}
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}
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};
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}
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