Document new {set,show} dump-excluded-mappings commands.
gdb/ChangeLog: 2017-11-29 Sergio Lopez <slp@redhat.com> * NEWS (Changes since GDB 8.0): Announce {set,show} dump_excluded_mappings commands. gdb/doc/ChangeLog: 2017-11-29 Sergio Lopez <slp@redhat.com> * gdb.texinfo (gcore): Mention new {set,show} dump-excluded-mappings commands. (set dump-excluded-mappings): Document new command.
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@ -185,6 +185,11 @@ set debug separate-debug-file
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show debug separate-debug-file
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Control the display of debug output about separate debug file search.
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set dump-excluded-mappings
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show dump-excluded-mappings
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Control whether mappings marked with the VM_DONTDUMP flag should be
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dumped when generating a core file.
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maint info selftests
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List the registered selftests.
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@ -11594,7 +11594,9 @@ this writing, @sc{gnu}/Linux, FreeBSD, Solaris, and S390).
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On @sc{gnu}/Linux, this command can take into account the value of the
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file @file{/proc/@var{pid}/coredump_filter} when generating the core
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dump (@pxref{set use-coredump-filter}).
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dump (@pxref{set use-coredump-filter}), and by default honors the
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@code{VM_DONTDUMP} flag for mappings where it is present in the file
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@file{/proc/@var{pid}/smaps} (@pxref{set dump-excluded-mappings}).
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@kindex set use-coredump-filter
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@anchor{set use-coredump-filter}
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@ -11624,6 +11626,16 @@ value is currently @code{0x33}, which means that bits @code{0}
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(anonymous private mappings), @code{1} (anonymous shared mappings),
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@code{4} (ELF headers) and @code{5} (private huge pages) are active.
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This will cause these memory mappings to be dumped automatically.
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@kindex set dump-excluded-mappings
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@anchor{set dump-excluded-mappings}
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@item set dump-excluded-mappings on
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@itemx set dump-excluded-mappings off
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If @code{on} is specified, @value{GDBN} will dump memory mappings
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marked with the @code{VM_DONTDUMP} flag. This flag is represented in
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the file @file{/proc/@var{pid}/smaps} with the acronym @code{dd}.
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The default value is @code{off}.
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@end table
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@node Character Sets
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