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Diffstat (limited to 'gdb/doc/gdb.texinfo')
| -rw-r--r-- | gdb/doc/gdb.texinfo | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo index f0b5f87e106..f89cc097816 100644 --- a/gdb/doc/gdb.texinfo +++ b/gdb/doc/gdb.texinfo @@ -6894,6 +6894,27 @@ Enable @value{GDBN} to cache target memory. Disable @value{GDBN} from caching target memory. This is the default. @end table +@subsection Memory Access Checking +@value{GDBN} can be instructed to refuse accesses to memory that is +not explicitly described. This can be useful if accessing such +regions has undesired effects for a specific target, or to provide +better error checking. The following commands control this behaviour. + +@table @code +@kindex set mem inaccessible-by-default +@item set mem inaccessible-by-default [on|off] +If @code{on} is specified, make @value{GDBN} treat memory not +explicitly described by the memory ranges as non-existent and refuse accesses +to such memory. The checks are only performed if there's at least one +memory range defined. If @code{off} is specified, make @value{GDBN} +treat the memory not explicitly described by the memory ranges as RAM. +The default value is @code{off}. +@kindex show mem inaccessible-by-default +@item show mem inaccessible-by-default +Show the current handling of accesses to unknown memory. +@end table + + @c @subsubsection Memory Write Verification @c The memory write verification attributes set whether @value{GDBN} @c will re-reads data after each write to verify the write was successful. |