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63 lines
2.5 KiB
Objective-C
63 lines
2.5 KiB
Objective-C
//
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// ASLog.h
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// Texture
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//
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// Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the /ASDK-Licenses directory of this source tree. An additional
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// grant of patent rights can be found in the PATENTS file in the same directory.
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//
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// Modifications to this file made after 4/13/2017 are: Copyright (c) 2017-present,
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// Pinterest, Inc. Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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#pragma once
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#define ASMultiplexImageNodeLogDebug(...)
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#define ASMultiplexImageNodeCLogDebug(...)
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#define ASMultiplexImageNodeLogError(...)
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#define ASMultiplexImageNodeCLogError(...)
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// Note: `<sys/kdebug_signpost.h>` only exists in Xcode 8 and later.
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#if defined(PROFILE) && __has_include(<sys/kdebug_signpost.h>)
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#import <sys/kdebug_signpost.h>
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// These definitions are required to build the backward-compatible kdebug trace
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// on the iOS 10 SDK. The kdebug_trace function crashes if run on iOS 9 and earlier.
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// It's valuable to support trace signposts on iOS 9, because A5 devices don't support iOS 10.
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#ifndef DBG_MACH_CHUD
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#define DBG_MACH_CHUD 0x0A
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#define DBG_FUNC_START 1
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#define DBG_FUNC_END 2
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#define DBG_APPS 33
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#define SYS_kdebug_trace 180
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#define KDBG_CODE(Class, SubClass, code) (((Class & 0xff) << 24) | ((SubClass & 0xff) << 16) | ((code & 0x3fff) << 2))
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#define APPSDBG_CODE(SubClass,code) KDBG_CODE(DBG_APPS, SubClass, code)
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#endif
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#define ASProfilingSignpost(x) \
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AS_AT_LEAST_IOS10 ? kdebug_signpost(x, 0, 0, 0, (uint32_t)(x % 4)) \
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: syscall(SYS_kdebug_trace, APPSDBG_CODE(DBG_MACH_CHUD, x) | DBG_FUNC_NONE, 0, 0, 0, (uint32_t)(x % 4));
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#define ASProfilingSignpostStart(x, y) \
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AS_AT_LEAST_IOS10 ? kdebug_signpost_start((uint32_t)x, (uintptr_t)y, 0, 0, (uint32_t)(x % 4)) \
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: syscall(SYS_kdebug_trace, APPSDBG_CODE(DBG_MACH_CHUD, x) | DBG_FUNC_START, (uintptr_t)y, 0, 0, (uint32_t)(x % 4));
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#define ASProfilingSignpostEnd(x, y) \
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AS_AT_LEAST_IOS10 ? kdebug_signpost_end((uint32_t)x, (uintptr_t)y, 0, 0, (uint32_t)(x % 4)) \
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: syscall(SYS_kdebug_trace, APPSDBG_CODE(DBG_MACH_CHUD, x) | DBG_FUNC_END, (uintptr_t)y, 0, 0, (uint32_t)(x % 4));
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#else
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#define ASProfilingSignpost(x)
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#define ASProfilingSignpostStart(x, y)
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#define ASProfilingSignpostEnd(x, y)
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#endif
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