| /* |
| * Created by Phil on 27/12/2010. |
| * Copyright 2010 Two Blue Cubes Ltd. All rights reserved. |
| * |
| * Distributed under the Boost Software License, Version 1.0. (See accompanying |
| * file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| * |
| * Provides a BreakIntoDebugger() macro for Windows and Mac (so far) |
| */ |
| #ifndef TWOBLUECUBES_CATCH_DEBUGGER_HPP_INCLUDED |
| #define TWOBLUECUBES_CATCH_DEBUGGER_HPP_INCLUDED |
| |
| #include <iostream> |
| |
| #if defined(__MAC_OS_X_VERSION_MIN_REQUIRED) |
| #define CATCH_PLATFORM_MAC |
| #elif defined(__IPHONE_OS_VERSION_MIN_REQUIRED) |
| #define CATCH_PLATFORM_IPHONE |
| #elif defined(__WIN32__) || defined(_WIN32) || defined(_MSC_VER) |
| #define CATCH_PLATFORM_WINDOWS |
| #endif |
| |
| #ifdef CATCH_PLATFORM_MAC |
| |
| #include <assert.h> |
| #include <stdbool.h> |
| #include <sys/types.h> |
| #include <unistd.h> |
| #include <sys/sysctl.h> |
| |
| namespace Catch{ |
| |
| // The following function is taken directly from the following technical note: |
| // http://developer.apple.com/library/mac/#qa/qa2004/qa1361.html |
| |
| // Returns true if the current process is being debugged (either |
| // running under the debugger or has a debugger attached post facto). |
| inline bool isDebuggerActive(){ |
| |
| int junk; |
| int mib[4]; |
| struct kinfo_proc info; |
| size_t size; |
| |
| // Initialize the flags so that, if sysctl fails for some bizarre |
| // reason, we get a predictable result. |
| |
| info.kp_proc.p_flag = 0; |
| |
| // Initialize mib, which tells sysctl the info we want, in this case |
| // we're looking for information about a specific process ID. |
| |
| mib[0] = CTL_KERN; |
| mib[1] = KERN_PROC; |
| mib[2] = KERN_PROC_PID; |
| mib[3] = getpid(); |
| |
| // Call sysctl. |
| |
| size = sizeof(info); |
| junk = sysctl(mib, sizeof(mib) / sizeof(*mib), &info, &size, NULL, 0); |
| assert(junk == 0); |
| |
| // We're being debugged if the P_TRACED flag is set. |
| |
| return ( (info.kp_proc.p_flag & P_TRACED) != 0 ); |
| } |
| } |
| |
| // The following code snippet taken from: |
| // http://cocoawithlove.com/2008/03/break-into-debugger.html |
| #ifdef DEBUG |
| #if defined(__ppc64__) || defined(__ppc__) |
| #define BreakIntoDebugger() \ |
| if( Catch::isDebuggerActive() ) { \ |
| __asm__("li r0, 20\nsc\nnop\nli r0, 37\nli r4, 2\nsc\nnop\n" \ |
| : : : "memory","r0","r3","r4" ); \ |
| } |
| #else |
| #define BreakIntoDebugger() if( Catch::isDebuggerActive() ) {__asm__("int $3\n" : : );} |
| #endif |
| #else |
| inline void BreakIntoDebugger(){} |
| #endif |
| |
| #elif defined(_MSC_VER) |
| extern "C" __declspec(dllimport) int __stdcall IsDebuggerPresent(); |
| #define BreakIntoDebugger() if (IsDebuggerPresent() ) { __debugbreak(); } |
| inline bool isDebuggerActive() { |
| return IsDebuggerPresent() != 0; |
| } |
| #elif defined(__MINGW32__) |
| extern "C" __declspec(dllimport) int __stdcall IsDebuggerPresent(); |
| extern "C" __declspec(dllimport) void __stdcall DebugBreak(); |
| #define BreakIntoDebugger() if (IsDebuggerPresent() ) { DebugBreak(); } |
| inline bool isDebuggerActive() { |
| return IsDebuggerPresent() != 0; |
| } |
| #else |
| inline void BreakIntoDebugger(){} |
| inline bool isDebuggerActive() { return false; } |
| #endif |
| |
| #ifdef CATCH_PLATFORM_WINDOWS |
| extern "C" __declspec(dllimport) void __stdcall OutputDebugStringA( const char* ); |
| inline void writeToDebugConsole( std::string const& text ) { |
| ::OutputDebugStringA( text.c_str() ); |
| } |
| #else |
| inline void writeToDebugConsole( std::string const& text ) { |
| // !TBD: Need a version for Mac/ XCode and other IDEs |
| std::cout << text; |
| } |
| #endif // CATCH_PLATFORM_WINDOWS |
| |
| #endif // TWOBLUECUBES_CATCH_DEBUGGER_HPP_INCLUDED |