45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
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/* Copyright 2014 MultiMC Contributors
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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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#pragma once
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#include <windows.h>
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#ifndef SF_STR_LEN
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// The max length of all strings in the StackFrame struct.
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// Because it must be stack allocated, this must be known at compile time.
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// Stuff longer than this will be truncated.
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// Defaults to 4096 (4kB)
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#define SF_STR_LEN 4096
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#endif
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// Data structure for holding information about a stack frame.
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// There's some more hackery in here so it can be allocated on the stack.
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struct StackFrame
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{
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// The address of this stack frame.
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void* address;
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// The name of the function at this address.
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char funcName[SF_STR_LEN];
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};
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// This function walks through the given CONTEXT structure, extracting a
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// backtrace from it.
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// The backtrace will be put into the array given by the `stack` argument
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// with a maximum length of `size`.
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// This function returns the size of the backtrace retrieved.
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size_t getBacktrace(StackFrame* stack, size_t size, CONTEXT ctx);
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