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authorLexi Winter <lexi@le-fay.org>2025-06-29 19:25:29 +0100
committerLexi Winter <lexi@le-fay.org>2025-06-29 19:25:29 +0100
commitbc524d70253a4ab2fe40c3ca3e5666e267c0a4d1 (patch)
tree1e629e7b46b1d9972a973bc93fd100bcebd395be /src/catch2/internal/catch_debugger.hpp
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Diffstat (limited to 'src/catch2/internal/catch_debugger.hpp')
-rw-r--r--src/catch2/internal/catch_debugger.hpp67
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diff --git a/src/catch2/internal/catch_debugger.hpp b/src/catch2/internal/catch_debugger.hpp
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+
+// Copyright Catch2 Authors
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE.txt or copy at
+// https://www.boost.org/LICENSE_1_0.txt)
+
+// SPDX-License-Identifier: BSL-1.0
+#ifndef CATCH_DEBUGGER_HPP_INCLUDED
+#define CATCH_DEBUGGER_HPP_INCLUDED
+
+#include <catch2/internal/catch_platform.hpp>
+
+namespace Catch {
+ bool isDebuggerActive();
+}
+
+#ifdef CATCH_PLATFORM_MAC
+
+ #if defined(__i386__) || defined(__x86_64__)
+ #define CATCH_TRAP() __asm__("int $3\n" : : ) /* NOLINT */
+ #elif defined(__aarch64__)
+ #define CATCH_TRAP() __asm__(".inst 0xd43e0000")
+ #elif defined(__POWERPC__)
+ #define CATCH_TRAP() __asm__("li r0, 20\nsc\nnop\nli r0, 37\nli r4, 2\nsc\nnop\n" \
+ : : : "memory","r0","r3","r4" ) /* NOLINT */
+ #endif
+
+#elif defined(CATCH_PLATFORM_IPHONE)
+
+ // use inline assembler
+ #if defined(__i386__) || defined(__x86_64__)
+ #define CATCH_TRAP() __asm__("int $3")
+ #elif defined(__aarch64__)
+ #define CATCH_TRAP() __asm__(".inst 0xd4200000")
+ #elif defined(__arm__) && !defined(__thumb__)
+ #define CATCH_TRAP() __asm__(".inst 0xe7f001f0")
+ #elif defined(__arm__) && defined(__thumb__)
+ #define CATCH_TRAP() __asm__(".inst 0xde01")
+ #endif
+
+#elif defined(CATCH_PLATFORM_LINUX)
+ // If we can use inline assembler, do it because this allows us to break
+ // directly at the location of the failing check instead of breaking inside
+ // raise() called from it, i.e. one stack frame below.
+ #if defined(__GNUC__) && (defined(__i386) || defined(__x86_64))
+ #define CATCH_TRAP() asm volatile ("int $3") /* NOLINT */
+ #else // Fall back to the generic way.
+ #include <signal.h>
+
+ #define CATCH_TRAP() raise(SIGTRAP)
+ #endif
+#elif defined(_MSC_VER)
+ #define CATCH_TRAP() __debugbreak()
+#elif defined(__MINGW32__)
+ extern "C" __declspec(dllimport) void __stdcall DebugBreak();
+ #define CATCH_TRAP() DebugBreak()
+#endif
+
+#ifndef CATCH_BREAK_INTO_DEBUGGER
+ #ifdef CATCH_TRAP
+ #define CATCH_BREAK_INTO_DEBUGGER() []{ if( Catch::isDebuggerActive() ) { CATCH_TRAP(); } }()
+ #else
+ #define CATCH_BREAK_INTO_DEBUGGER() []{}()
+ #endif
+#endif
+
+#endif // CATCH_DEBUGGER_HPP_INCLUDED