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
lldb_assert(bool expression,const char * expr_text,const char * func,const char * file,unsigned int line)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