1 //===-- LLDBAssert.cpp ----------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "lldb/Utility/LLDBAssert.h" 10 #include "llvm/Config/llvm-config.h" 11 #include "llvm/Support/Format.h" 12 #include "llvm/Support/Signals.h" 13 #include "llvm/Support/raw_ostream.h" 14 15 #if LLVM_SUPPORT_XCODE_SIGNPOSTS 16 #include <os/log.h> 17 #endif 18 19 using namespace llvm; 20 using namespace lldb_private; 21 22 void lldb_private::lldb_assert(bool expression, const char *expr_text, 23 const char *func, const char *file, 24 unsigned int line) { 25 if (LLVM_LIKELY(expression)) 26 return; 27 28 // If asserts are enabled abort here. 29 assert(false && "lldb_assert failed"); 30 31 #if LLVM_SUPPORT_XCODE_SIGNPOSTS 32 if (__builtin_available(macos 10.12, iOS 10, tvOS 10, watchOS 3, *)) { 33 os_log_fault(OS_LOG_DEFAULT, 34 "Assertion failed: (%s), function %s, file %s, line %u\n", 35 expr_text, func, file, line); 36 } 37 #endif 38 39 // In a release configuration it will print a warning and encourage the user 40 // to file a bug report, similar to LLVM’s crash handler, and then return 41 // execution. 42 errs() << format("Assertion failed: (%s), function %s, file %s, line %u\n", 43 expr_text, func, file, line); 44 errs() << "backtrace leading to the failure:\n"; 45 llvm::sys::PrintStackTrace(errs()); 46 errs() << "please file a bug report against lldb reporting this failure " 47 "log, and as many details as possible\n"; 48 } 49