mirror of
https://github.com/apple/swift.git
synced 2025-12-14 20:36:38 +01:00
75 lines
2.2 KiB
C++
75 lines
2.2 KiB
C++
//===--- Debug.h - Swift Runtime debug helpers ----------------------------===//
|
|
//
|
|
// This source file is part of the Swift.org open source project
|
|
//
|
|
// Copyright (c) 2014 - 2015 Apple Inc. and the Swift project authors
|
|
// Licensed under Apache License v2.0 with Runtime Library Exception
|
|
//
|
|
// See http://swift.org/LICENSE.txt for license information
|
|
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// Random debug support
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef _SWIFT_RUNTIME_DEBUG_HELPERS_
|
|
#define _SWIFT_RUNTIME_DEBUG_HELPERS_
|
|
|
|
#include <llvm/Support/Compiler.h>
|
|
#include <stdio.h>
|
|
|
|
#if SWIFT_HAVE_CRASHREPORTERCLIENT
|
|
#include <CrashReporterClient.h>
|
|
#else
|
|
#define CRSetCrashLogMessage(_m_) fprintf(stderr, "%s\n", (_m_))
|
|
#endif
|
|
|
|
namespace swift {
|
|
|
|
// swift::crash() halts with a crash log message,
|
|
// but otherwise tries not to disturb register state.
|
|
|
|
LLVM_ATTRIBUTE_NORETURN
|
|
LLVM_ATTRIBUTE_ALWAYS_INLINE // Minimize trashed registers
|
|
static void crash(const char *message) {
|
|
CRSetCrashLogMessage(message);
|
|
// __builtin_trap() doesn't always do the right thing due to GCC compatibility
|
|
#if defined(__i386__) || defined(__x86_64__)
|
|
asm("int3");
|
|
#else
|
|
__builtin_trap();
|
|
#endif
|
|
__builtin_unreachable();
|
|
}
|
|
|
|
// swift::fatalError() halts with a crash log message,
|
|
// but makes no attempt to preserve register state.
|
|
LLVM_ATTRIBUTE_NORETURN
|
|
extern void
|
|
fatalError(const char *format, ...);
|
|
|
|
struct Metadata;
|
|
|
|
// swift_dynamicCastFailure halts using fatalError()
|
|
// with a description of a failed cast's types.
|
|
LLVM_ATTRIBUTE_NORETURN
|
|
void
|
|
swift_dynamicCastFailure(const swift::Metadata *sourceType,
|
|
const swift::Metadata *targetType,
|
|
const char *message = nullptr);
|
|
|
|
// swift_dynamicCastFailure halts using fatalError()
|
|
// with a description of a failed cast's types.
|
|
LLVM_ATTRIBUTE_NORETURN
|
|
void
|
|
swift_dynamicCastFailure(const void *sourceType, const char *sourceName,
|
|
const void *targetType, const char *targetName,
|
|
const char *message = nullptr);
|
|
|
|
// namespace swift
|
|
};
|
|
|
|
#endif // _SWIFT_RUNTIME_DEBUG_HELPERS_
|