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aa648bd690
Define CATCH_PLATFORM_MAC using #if defined(__MAC_OS_X_VERSION_MIN_REQUIRED) instead of #if defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__). Add new CATCH_PLATFORM_IPHONE defined using #elif defined(__IPHONE_OS_VERSION_MIN_REQUIRED) for future use. The BreakIntoDebugger and isDebuggerActive functions remain without implementations for iOS.
118 lines
3.7 KiB
C++
118 lines
3.7 KiB
C++
/*
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* catch_debugger.hpp
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* Catch
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*
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* Created by Phil on 27/12/2010.
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* Copyright 2010 Two Blue Cubes Ltd. All rights reserved.
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*
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* Distributed under the Boost Software License, Version 1.0. (See accompanying
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* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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*
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* Provides a BreakIntoDebugger() macro for Windows and Mac (so far)
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*/
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#ifndef TWOBLUECUBES_CATCH_DEBUGGER_HPP_INCLUDED
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#define TWOBLUECUBES_CATCH_DEBUGGER_HPP_INCLUDED
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#include <iostream>
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#if defined(__MAC_OS_X_VERSION_MIN_REQUIRED)
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#define CATCH_PLATFORM_MAC
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#elif defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
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#define CATCH_PLATFORM_IPHONE
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#elif defined(__WIN32__) || defined(_WIN32) || defined(_MSC_VER)
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#define CATCH_PLATFORM_WINDOWS
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#endif
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#ifdef CATCH_PLATFORM_MAC
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#include <assert.h>
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#include <stdbool.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <sys/sysctl.h>
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namespace Catch
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{
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// The following function is taken directly from the following technical note:
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// http://developer.apple.com/library/mac/#qa/qa2004/qa1361.html
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inline bool isDebuggerActive()
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// Returns true if the current process is being debugged (either
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// running under the debugger or has a debugger attached post facto).
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{
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int junk;
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int mib[4];
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struct kinfo_proc info;
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size_t size;
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// Initialize the flags so that, if sysctl fails for some bizarre
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// reason, we get a predictable result.
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info.kp_proc.p_flag = 0;
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// Initialize mib, which tells sysctl the info we want, in this case
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// we're looking for information about a specific process ID.
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mib[0] = CTL_KERN;
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mib[1] = KERN_PROC;
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mib[2] = KERN_PROC_PID;
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mib[3] = getpid();
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// Call sysctl.
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size = sizeof(info);
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junk = sysctl(mib, sizeof(mib) / sizeof(*mib), &info, &size, NULL, 0);
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assert(junk == 0);
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// We're being debugged if the P_TRACED flag is set.
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return ( (info.kp_proc.p_flag & P_TRACED) != 0 );
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}
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}
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// The following code snippet taken from:
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// http://cocoawithlove.com/2008/03/break-into-debugger.html
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#ifdef DEBUG
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#if defined(__ppc64__) || defined(__ppc__)
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#define BreakIntoDebugger() \
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if( Catch::isDebuggerActive() ) \
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{ \
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__asm__("li r0, 20\nsc\nnop\nli r0, 37\nli r4, 2\nsc\nnop\n" \
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: : : "memory","r0","r3","r4" ); \
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}
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#else
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#define BreakIntoDebugger() if( Catch::isDebuggerActive() ) {__asm__("int $3\n" : : );}
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#endif
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#else
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inline void BreakIntoDebugger(){}
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#endif
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#elif defined(_MSC_VER)
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extern "C" __declspec(dllimport) int __stdcall IsDebuggerPresent();
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#define BreakIntoDebugger() if (IsDebuggerPresent() ) { __debugbreak(); }
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inline bool isDebuggerActive()
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{
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return IsDebuggerPresent() != 0;
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}
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#else
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inline void BreakIntoDebugger(){}
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inline bool isDebuggerActive() { return false; }
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#endif
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#ifdef CATCH_PLATFORM_WINDOWS
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extern "C" __declspec(dllimport) void __stdcall OutputDebugStringA( const char* );
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inline void writeToDebugConsole( const std::string& text )
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{
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::OutputDebugStringA( text.c_str() );
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}
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#else
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inline void writeToDebugConsole( const std::string& text )
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{
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// !TBD: Need a version for Mac/ XCode and other IDEs
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std::cout << text;
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}
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#endif // CATCH_PLATFORM_WINDOWS
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#endif // TWOBLUECUBES_CATCH_DEBUGGER_HPP_INCLUDED
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