diff options
| -rw-r--r-- | gdb/NEWS | 5 | ||||
| -rw-r--r-- | gdb/doc/gdb.texinfo | 14 |
2 files changed, 18 insertions, 1 deletions
@@ -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. diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo index 689025f..1039f4c 100644 --- a/gdb/doc/gdb.texinfo +++ b/gdb/doc/gdb.texinfo @@ -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 |