114 lines
3.1 KiB
C++
114 lines
3.1 KiB
C++
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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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* Copyright 2016 Danny Robson <danny@nerdcruft.net>
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*/
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#include "./debug.hpp"
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#include "./except.hpp"
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#include <windows.h>
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///////////////////////////////////////////////////////////////////////////////
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void
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breakpoint (void)
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{
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DebugBreak ();
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}
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///////////////////////////////////////////////////////////////////////////////
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void
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await_debugger (void)
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{
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// HACK: This is terribly inefficient, but it's not a performance
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// priority for the time being.
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while (!IsDebuggerPresent ())
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Sleep (100);
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}
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//-----------------------------------------------------------------------------
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void
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prepare_debugger (void)
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{
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if (nullptr == LoadLibrary("exchndl.dll")) {
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LOG_WARNING("Emergency debugger not loaded: %s", util::win32_error ());
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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void
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enable_fpe (void)
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{
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LOG_WARN ("Non-Linux exception code is broken under current GCC.");
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// _clearfp();
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// unsigned int ignored;
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// _controlfp_s (&ignored, _MCW_EM, _MCW_EM);
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}
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//-----------------------------------------------------------------------------
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void
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disable_fpe (void)
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{
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LOG_WARN ("Non-Linux exception code is broken under current GCC.");
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// _clearfp();
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// unsigned int ignored;
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// _controlfp_s (&ignored, 0, _MCW_EM);
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}
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///////////////////////////////////////////////////////////////////////////////
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#include <io.h>
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#include <fcntl.h>
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void
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force_console (void)
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{
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if (!AttachConsole (ATTACH_PARENT_PROCESS))
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return;
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auto out_handle = GetStdHandle (STD_OUTPUT_HANDLE);
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auto err_handle = GetStdHandle (STD_ERROR_HANDLE);
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auto in_handle = GetStdHandle (STD_INPUT_HANDLE);
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auto out_fd = _open_osfhandle (reinterpret_cast<intptr_t> (out_handle), _O_TEXT);
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auto err_fd = _open_osfhandle (reinterpret_cast<intptr_t> (err_handle), _O_TEXT);
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auto in_fd = _open_osfhandle (reinterpret_cast<intptr_t> (in_handle), _O_TEXT);
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auto out_file = _fdopen (out_fd, "w");
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auto err_file = _fdopen (err_fd, "w");
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auto in_file = _fdopen (in_fd, "r");
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/// FILE objects are not reassignable, but Windows doesn't leave us much
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/// choice here.
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*stdout = *out_file;
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*stderr = *err_file;
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*stdin = *in_file;
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setvbuf (stdout, NULL, _IONBF, 0);
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setvbuf (stderr, NULL, _IONBF, 0);
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setvbuf (stdin, NULL, _IONBF, 0);
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ios::sync_with_stdio ();
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// Windows doesn't give an immediate newline when an application is run
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// from a console, so we provide one here for sanity.
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std::cout << "\n";
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std::cerr << "Console installed\n";
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}
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