[cfe-commits] [libcxxabi] r148752 - /libcxxabi/trunk/src/abort_message.cpp

[Douglas Gregor]

Sent from my iPhone

On Jan 23, 2012, at 4:18 PM, Howard Hinnant <hhinnant at apple.com> wrote:

> Right, its inclusion is guarded:
> 
>> +#if __APPLE__ 
>> +    #include <Availability.h>
>> +    #if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
>> +        #include <CrashReporterClient.h>

You could use __has_include to check directly for the existence of the header. 

> Howard
> 
> On Jan 23, 2012, at 7:15 PM, Jean-Daniel Dupas wrote:
> 
>> I know this part is not done yet, but I want just to be sure that you know CrashReporterClient.h is a private header and is not available outside of Apple (unless it is part of the latest Xcode beta that I don't have).
>> 
>> Le 24 janv. 2012 à 00:58, Howard Hinnant a écrit :
>> 
>>> Author: hhinnant
>>> Date: Mon Jan 23 17:58:26 2012
>>> New Revision: 148752
>>> 
>>> URL: http://llvm.org/viewvc/llvm-project?rev=148752&view=rev
>>> Log:
>>> I renamed abort_message to be a C++ file to simplify my simplistic build script which I'm still working on.  I also added a struct for the crash reporter on __APPLE__.
>>> 
>>> Added:
>>>  libcxxabi/trunk/src/abort_message.cpp
>>> 
>>> Added: libcxxabi/trunk/src/abort_message.cpp
>>> URL: http://llvm.org/viewvc/llvm-project/libcxxabi/trunk/src/abort_message.cpp?rev=148752&view=auto
>>> ==============================================================================
>>> --- libcxxabi/trunk/src/abort_message.cpp (added)
>>> +++ libcxxabi/trunk/src/abort_message.cpp Mon Jan 23 17:58:26 2012
>>> @@ -0,0 +1,58 @@
>>> +//===-------------------------- abort_message.c ---------------------------===//
>>> +//
>>> +//                     The LLVM Compiler Infrastructure
>>> +//
>>> +// This file is dual licensed under the MIT and the University of Illinois Open
>>> +// Source Licenses. See LICENSE.TXT for details.
>>> +//
>>> +//===----------------------------------------------------------------------===//
>>> +
>>> +#include <stdlib.h>
>>> +#include <stdio.h>
>>> +#include <stdarg.h>
>>> +
>>> +#if __APPLE__ 
>>> +    #include <Availability.h>
>>> +    #if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
>>> +        #include <CrashReporterClient.h>
>>> +
>>> +        //  If any clients of llvm try to link to libCrashReporterClient.a themselves,
>>> +        //  only one crash info struct will be used.
>>> +        extern "C" {
>>> +        CRASH_REPORTER_CLIENT_HIDDEN 
>>> +        struct crashreporter_annotations_t gCRAnnotations 
>>> +                __attribute__((section("__DATA," CRASHREPORTER_ANNOTATIONS_SECTION))) 
>>> +                = { CRASHREPORTER_ANNOTATIONS_VERSION, 0, 0, 0, 0, 0, 0 };
>>> +        }
>>> +
>>> +    #endif
>>> +#endif
>>> +
>>> +#include "abort_message.h"
>>> +
>>> +__attribute__((visibility("hidden")))
>>> +void abort_message(const char* format, ...)
>>> +{
>>> +    // write message to stderr
>>> +#if __APPLE__
>>> +    fprintf(stderr, "libc++abi.dylib: ");
>>> +#endif
>>> +    va_list    list;
>>> +    va_start(list, format);
>>> +    vfprintf(stderr, format, list);
>>> +    va_end(list);
>>> +    fprintf(stderr, "\n");
>>> +    
>>> +#if __APPLE__ && (__MAC_OS_X_VERSION_MIN_REQUIRED >= 1070)
>>> +    // record message in crash report
>>> +    char* buffer;
>>> +    va_list    list2;
>>> +    va_start(list2, format);
>>> +    vasprintf(&buffer, format, list2);
>>> +    va_end(list2);
>>> +    CRSetCrashLogMessage(buffer);
>>> +#endif
>>> +
>>> +    abort();
>>> +}
>> 
>> 
>> -- Jean-Daniel
>> 
>> 
>> 
>> 
> 
> 
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