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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
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widget/cocoa/nsCocoaDebugUtils.h Normal file
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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsCocoaDebugUtils_h_
#define nsCocoaDebugUtils_h_
#include <CoreServices/CoreServices.h>
// Definitions and declarations of stuff used by us from the CoreSymbolication
// framework. This is an undocumented, private framework available on OS X
// 10.6 and up. It's used by Apple utilities like dtrace, atos, ReportCrash
// and crashreporterd.
typedef struct _CSTypeRef {
unsigned long type;
void* contents;
} CSTypeRef;
typedef CSTypeRef CSSymbolicatorRef;
typedef CSTypeRef CSSymbolOwnerRef;
typedef CSTypeRef CSSymbolRef;
typedef CSTypeRef CSSourceInfoRef;
typedef struct _CSRange {
unsigned long long location;
unsigned long long length;
} CSRange;
typedef unsigned long long CSArchitecture;
#define kCSNow LONG_MAX
extern "C" {
CSSymbolicatorRef
CSSymbolicatorCreateWithPid(pid_t pid);
CSSymbolicatorRef
CSSymbolicatorCreateWithPidFlagsAndNotification(pid_t pid,
uint32_t flags,
uint32_t notification);
CSArchitecture
CSSymbolicatorGetArchitecture(CSSymbolicatorRef symbolicator);
CSSymbolOwnerRef
CSSymbolicatorGetSymbolOwnerWithAddressAtTime(CSSymbolicatorRef symbolicator,
unsigned long long address,
long time);
const char*
CSSymbolOwnerGetName(CSSymbolOwnerRef owner);
unsigned long long
CSSymbolOwnerGetBaseAddress(CSSymbolOwnerRef owner);
CSSymbolRef
CSSymbolOwnerGetSymbolWithAddress(CSSymbolOwnerRef owner,
unsigned long long address);
CSSourceInfoRef
CSSymbolOwnerGetSourceInfoWithAddress(CSSymbolOwnerRef owner,
unsigned long long address);
const char*
CSSymbolGetName(CSSymbolRef symbol);
CSRange
CSSymbolGetRange(CSSymbolRef symbol);
const char*
CSSourceInfoGetFilename(CSSourceInfoRef info);
uint32_t
CSSourceInfoGetLineNumber(CSSourceInfoRef info);
CSTypeRef
CSRetain(CSTypeRef);
void
CSRelease(CSTypeRef);
bool
CSIsNull(CSTypeRef);
void
CSShow(CSTypeRef);
const char*
CSArchitectureGetFamilyName(CSArchitecture);
} // extern "C"
class nsCocoaDebugUtils
{
public:
// Like NSLog() but records more information (for example the full path to
// the executable and the "thread name"). Like NSLog(), writes to both
// stdout and the system log.
static void DebugLog(const char* aFormat, ...);
// Logs a stack trace of the current point of execution, to both stdout and
// the system log.
static void PrintStackTrace();
// Returns the name of the module that "owns" aAddress. This must be
// free()ed by the caller.
static char* GetOwnerName(void* aAddress);
// Returns a symbolicated representation of aAddress. This must be
// free()ed by the caller.
static char* GetAddressString(void* aAddress);
private:
static void DebugLogInt(bool aDecorate, const char* aFormat, ...);
static void DebugLogV(bool aDecorate, CFStringRef aFormat, va_list aArgs);
static void PrintAddress(void* aAddress);
// The values returned by GetOwnerNameInt() and GetAddressStringInt() must
// be free()ed by the caller.
static char* GetOwnerNameInt(void* aAddress,
CSTypeRef aOwner = sInitializer);
static char* GetAddressStringInt(void* aAddress,
CSTypeRef aOwner = sInitializer);
static CSSymbolicatorRef GetSymbolicatorRef();
static void ReleaseSymbolicator();
static CSTypeRef sInitializer;
static CSSymbolicatorRef sSymbolicator;
};
#endif // nsCocoaDebugUtils_h_