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kern: implement svc trace

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Michael Scire 2020-07-31 19:48:22 -07:00 • committed by SciresM
parent f9d68db3f6
commit 920b017677
8 changed files with 203 additions and 19 deletions
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31
libraries/libmesosphere/include/mesosphere/kern_build_config.hpp Normal file
View file

@ -0,0 +1,31 @@
/*
* Copyright (c) 2018-2020 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#if 1 || defined(AMS_BUILD_FOR_AUDITING)
#define MESOSPHERE_BUILD_FOR_AUDITING
#endif
#if defined(MESOSPHERE_BUILD_FOR_AUDITING) || defined(AMS_BUILD_FOR_DEBUGGING)
#define MESOSPHERE_BUILD_FOR_DEBUGGING
#endif
#ifdef MESOSPHERE_BUILD_FOR_DEBUGGING
#define MESOSPHERE_ENABLE_ASSERTIONS
#define MESOSPHERE_ENABLE_DEBUG_PRINT
#endif
#define MESOSPHERE_BUILD_FOR_TRACING

19
libraries/libmesosphere/include/mesosphere/kern_common.hpp
View file

@ -15,6 +15,8 @@
*/
#pragma once
#include <vapours.hpp>
#include <mesosphere/kern_build_config.hpp>
#include <mesosphere/svc/kern_svc_results.hpp>
namespace ams::kern {
@ -23,20 +25,3 @@ namespace ams::kern {
ams::TargetFirmware GetTargetFirmware();
}
#if 1 || defined(AMS_BUILD_FOR_AUDITING)
#define MESOSPHERE_BUILD_FOR_AUDITING
#endif
#if defined(MESOSPHERE_BUILD_FOR_AUDITING) || defined(AMS_BUILD_FOR_DEBUGGING)
#define MESOSPHERE_BUILD_FOR_DEBUGGING
#endif
#ifdef MESOSPHERE_BUILD_FOR_DEBUGGING
#define MESOSPHERE_ENABLE_ASSERTIONS
#define MESOSPHERE_ENABLE_DEBUG_PRINT
#endif
#define MESOSPHERE_BUILD_FOR_TRACING
#include <mesosphere/svc/kern_svc_results.hpp>

29
libraries/libmesosphere/include/mesosphere/kern_k_trace.hpp
View file

@ -30,6 +30,13 @@ namespace ams::kern {
static_assert(IsKTraceEnabled || !IsKTraceEnabled);
class KTrace {
public:
enum Type {
Type_SvcEntry0 = 3,
Type_SvcEntry1 = 4,
Type_SvcExit0 = 5,
Type_SvcExit1 = 6,
};
private:
static bool s_is_active;
public:
@ -37,6 +44,8 @@ namespace ams::kern {
static void Start();
static void Stop();
static void PushRecord(u8 type, u64 param0 = 0, u64 param1 = 0, u64 param2 = 0, u64 param3 = 0, u64 param4 = 0, u64 param5 = 0);
static ALWAYS_INLINE bool IsActive() { return s_is_active; }
};
@ -55,3 +64,23 @@ namespace ams::kern {
::ams::kern::KTrace::Stop(); \
} \
})
#define MESOSPHERE_KTRACE_SVC_ENTRY(SVC_ID, PARAM0, PARAM1, PARAM2, PARAM3, PARAM4, PARAM5, PARAM6, PARAM7) \
({ \
if constexpr (::ams::kern::IsKTraceEnabled) { \
if (::ams::kern::KTrace::IsActive()) { \
::ams::kern::KTrace::PushRecord(::ams::kern::KTrace::Type_SvcEntry0, SVC_ID, PARAM0, PARAM1, PARAM2, PARAM3, PARAM4); \
::ams::kern::KTrace::PushRecord(::ams::kern::KTrace::Type_SvcEntry1, PARAM5, PARAM6, PARAM7); \
} \
} \
})
#define MESOSPHERE_KTRACE_SVC_EXIT(SVC_ID, PARAM0, PARAM1, PARAM2, PARAM3, PARAM4, PARAM5, PARAM6, PARAM7) \
({ \
if constexpr (::ams::kern::IsKTraceEnabled) { \
if (::ams::kern::KTrace::IsActive()) { \
::ams::kern::KTrace::PushRecord(::ams::kern::KTrace::Type_SvcExit0, SVC_ID, PARAM0, PARAM1, PARAM2, PARAM3, PARAM4); \
::ams::kern::KTrace::PushRecord(::ams::kern::KTrace::Type_SvcExit1, PARAM5, PARAM6, PARAM7); \
} \
} \
})