LLDB  mainline
LLDBAssert.cpp
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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 
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 }
llvm
Definition: Debugger.h:49
lldb_private::lldb_assert
void lldb_assert(bool expression, const char *expr_text, const char *func, const char *file, unsigned int line)
Definition: LLDBAssert.cpp:22
LLDBAssert.h
lldb_private
A class that represents a running process on the host machine.
Definition: SBCommandInterpreterRunOptions.h:16