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.
This commit is contained in:
Sergio Lopez 2017-12-04 09:17:13 +01:00 committed by Sergio Durigan Junior
parent afa840dcc0
commit 1e52e8495a
2 changed files with 18 additions and 1 deletions

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@ -185,6 +185,11 @@ set debug separate-debug-file
show debug separate-debug-file
Control the display of debug output about separate debug file search.
set dump-excluded-mappings
show dump-excluded-mappings
Control whether mappings marked with the VM_DONTDUMP flag should be
dumped when generating a core file.
maint info selftests
List the registered selftests.

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@ -11594,7 +11594,9 @@ this writing, @sc{gnu}/Linux, FreeBSD, Solaris, and S390).
On @sc{gnu}/Linux, this command can take into account the value of the
file @file{/proc/@var{pid}/coredump_filter} when generating the core
dump (@pxref{set use-coredump-filter}).
dump (@pxref{set use-coredump-filter}), and by default honors the
@code{VM_DONTDUMP} flag for mappings where it is present in the file
@file{/proc/@var{pid}/smaps} (@pxref{set dump-excluded-mappings}).
@kindex set use-coredump-filter
@anchor{set use-coredump-filter}
@ -11624,6 +11626,16 @@ value is currently @code{0x33}, which means that bits @code{0}
(anonymous private mappings), @code{1} (anonymous shared mappings),
@code{4} (ELF headers) and @code{5} (private huge pages) are active.
This will cause these memory mappings to be dumped automatically.
@kindex set dump-excluded-mappings
@anchor{set dump-excluded-mappings}
@item set dump-excluded-mappings on
@itemx set dump-excluded-mappings off
If @code{on} is specified, @value{GDBN} will dump memory mappings
marked with the @code{VM_DONTDUMP} flag. This flag is represented in
the file @file{/proc/@var{pid}/smaps} with the acronym @code{dd}.
The default value is @code{off}.
@end table
@node Character Sets