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1d08075c43
- Use std instead of custom Beast classes - Remove Beast heap block allocator - Remove function call timer
122 lines
4.1 KiB
C++
122 lines
4.1 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of Beast: https://github.com/vinniefalco/Beast
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Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
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Portions of this file are from JUCE.
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Copyright (c) 2013 - Raw Material Software Ltd.
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Please visit http://www.juce.com
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#include <cstdlib>
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#include <iterator>
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#include <memory>
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// Some basic tests, to keep an eye on things and make sure these types work ok
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// on all platforms.
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static_assert (sizeof (std::intptr_t) == sizeof (void*), "std::intptr_t must be the same size as void*");
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static_assert (sizeof (std::int8_t) == 1, "std::int8_t must be exactly 1 byte!");
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static_assert (sizeof (std::int16_t) == 2, "std::int16_t must be exactly 2 bytes!");
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static_assert (sizeof (std::int32_t) == 4, "std::int32_t must be exactly 4 bytes!");
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static_assert (sizeof (std::int64_t) == 8, "std::int64_t must be exactly 8 bytes!");
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static_assert (sizeof (std::uint8_t) == 1, "std::uint8_t must be exactly 1 byte!");
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static_assert (sizeof (std::uint16_t) == 2, "std::uint16_t must be exactly 2 bytes!");
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static_assert (sizeof (std::uint32_t) == 4, "std::uint32_t must be exactly 4 bytes!");
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static_assert (sizeof (std::uint64_t) == 8, "std::uint64_t must be exactly 8 bytes!");
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namespace beast
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{
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//==============================================================================
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std::vector <std::string>
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getStackBacktrace()
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{
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std::vector <std::string> result;
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#if BEAST_ANDROID || BEAST_MINGW || BEAST_BSD
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assert(false); // sorry, not implemented yet!
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#elif BEAST_WINDOWS
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HANDLE process = GetCurrentProcess();
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SymInitialize (process, nullptr, TRUE);
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void* stack[128];
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int frames = (int) CaptureStackBackTrace (0,
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std::distance(std::begin(stack), std::end(stack)),
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stack, nullptr);
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// Allow symbols that are up to 1024 characters long.
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std::size_t constexpr nameLength = 1024;
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alignas(SYMBOL_INFO) unsigned char symbuf[
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sizeof(SYMBOL_INFO) + nameLength * sizeof(SYMBOL_INFO::Name)];
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auto symbol = reinterpret_cast<SYMBOL_INFO*>(symbuf);
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for (int i = 0; i < frames; ++i)
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{
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DWORD64 displacement = 0;
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std::memset (symbol, 0, sizeof(symbuf));
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symbol->SizeOfStruct = sizeof(SYMBOL_INFO);
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symbol->MaxNameLen = nameLength;
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if (SymFromAddr (process, (DWORD64)stack[i], &displacement, symbol))
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{
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std::string frame;
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frame.append (std::to_string (i) + ": ");
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IMAGEHLP_MODULE64 moduleInfo { sizeof(moduleInfo) };
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if (::SymGetModuleInfo64 (process, symbol->ModBase, &moduleInfo))
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{
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frame.append (moduleInfo.ModuleName);
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frame.append (": ");
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}
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frame.append (symbol->Name);
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if (displacement)
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{
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frame.append ("+");
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frame.append (std::to_string (displacement));
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}
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result.push_back (frame);
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}
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}
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#else
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void* stack[128];
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int frames = backtrace (stack,
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std::distance(std::begin(stack), std::end(stack)));
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std::unique_ptr<char*[], decltype(std::free)*> frame {
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backtrace_symbols (stack, frames), std::free };
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for (int i = 0; i < frames; ++i)
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result.push_back (frame[i]);
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#endif
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return result;
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}
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} // beast
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