77 lines
2.0 KiB
C
77 lines
2.0 KiB
C
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/*
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* Copyright (C) 2007 The Android Open Source Project
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*
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* 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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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_CALLSTACK_H
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#define ANDROID_CALLSTACK_H
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#include <stdint.h>
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#include <sys/types.h>
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#include <utils/String8.h>
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// ---------------------------------------------------------------------------
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namespace android {
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class CallStack
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{
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public:
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enum {
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MAX_DEPTH = 31
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};
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CallStack();
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CallStack(const CallStack& rhs);
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~CallStack();
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CallStack& operator = (const CallStack& rhs);
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bool operator == (const CallStack& rhs) const;
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bool operator != (const CallStack& rhs) const;
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bool operator < (const CallStack& rhs) const;
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bool operator >= (const CallStack& rhs) const;
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bool operator > (const CallStack& rhs) const;
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bool operator <= (const CallStack& rhs) const;
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const void* operator [] (int index) const;
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void clear();
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void update(int32_t ignoreDepth=0, int32_t maxDepth=MAX_DEPTH);
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// Dump a stack trace to the log
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void dump(const char* prefix = 0) const;
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// Return a string (possibly very long) containing the complete stack trace
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String8 toString(const char* prefix = 0) const;
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size_t size() const { return mCount; }
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private:
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// Internal helper function
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String8 toStringSingleLevel(const char* prefix, int32_t level) const;
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size_t mCount;
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const void* mStack[MAX_DEPTH];
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};
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}; // namespace android
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// ---------------------------------------------------------------------------
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#endif // ANDROID_CALLSTACK_H
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