[Lldb-commits] [PATCH] D39681: Implement core dump debugging for PPC64le

Kamil Rytarowski via Phabricator via lldb-commits lldb-commits at lists.llvm.org
Tue Nov 14 12:31:26 PST 2017


krytarowski added inline comments.


================
Comment at: source/Plugins/Process/elf-core/elf-core-enums.h:14
+/// Core files PT_NOTE segment descriptor types
+enum {
+  NT_PRSTATUS = 1,
----------------
alexandreyy wrote:
> krytarowski wrote:
> > alexandreyy wrote:
> > > krytarowski wrote:
> > > > No namespace here?
> > > I think these constants are used for multiple OSs.
> > > Am I correct?
> > > Do you have a suggestion for a namespace?
> > There is rumor that they came from SVR4.. but I don't have the specs to make sure.
> > 
> > Multiple in this case does not mean "all". This is not true for at least NetBSD.
> I can remove these constants and modify the first "if" in ParseThreadContextsFromNoteSegment to:
> 
>   if (((note.n_type == LINUX::NT_PRSTATUS ||
>           note.n_type == FREEBSD::NT_PRSTATUS) && have_prstatus) ||
>         ((note.n_type == LINUX::NT_PRPSINFO ||
>           note.n_type == FREEBSD::NT_PRPSINFO) && have_prpsinfo)) {
>       assert(thread_data->gpregset.GetByteSize() > 0);
> 
> What do you think?
> But NT_PRSTATUS and NT_PRPSINFO have the same value for Linux and FreeBSD .
I propose to put NT_PRSTATUS, NT_PRFPREG, NT_PRPSINFO into this namespace and call it SVR4.

SmartOS uses the same values.


https://reviews.llvm.org/D39681





More information about the lldb-commits mailing list