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* Fixed kernel tracing for gcc 4. The ABI changed in a way that isn't

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compatible with what our code assumed (pointers to objects of
  TraceEntry and its POD base class trace_entry aren't identical
  anymore).
* Added optional stack traces for ktrace_printf() output in the kernel.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@25531 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold
2008-05-17 18:59:19 +00:00
parent ec1f43f304
commit b3d6c12dbf
3 changed files with 38 additions and 12 deletions
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headers/private/kernel/tracing.h
+13 -3
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@@ -62,7 +62,7 @@ class TraceOutput {
bigtime_t fLastEntryTime;
};
class TraceEntry : public trace_entry {
class TraceEntry {
public:
TraceEntry();
virtual ~TraceEntry();
@@ -70,12 +70,22 @@ class TraceEntry : public trace_entry {
virtual void Dump(TraceOutput& out);
virtual void DumpStackTrace(TraceOutput& out);
size_t Size() const { return size; }
uint16 Flags() const { return flags; }
size_t Size() const { return ToTraceEntry()->size; }
uint16 Flags() const { return ToTraceEntry()->flags; }
void Initialized();
void* operator new(size_t size, const std::nothrow_t&) throw();
trace_entry* ToTraceEntry() const
{
return (trace_entry*)this - 1;
}
static TraceEntry* FromTraceEntry(trace_entry* entry)
{
return (TraceEntry*)(entry + 1);
}
};
class AbstractTraceEntry : public TraceEntry {