diff options
Diffstat (limited to 'gdb/doc')
| -rw-r--r-- | gdb/doc/ChangeLog | 4 | ||||
| -rw-r--r-- | gdb/doc/gdb.texinfo | 41 |
2 files changed, 45 insertions, 0 deletions
diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog index 078fdb9..ab94379 100644 --- a/gdb/doc/ChangeLog +++ b/gdb/doc/ChangeLog @@ -1,3 +1,7 @@ +2010-03-01 Daniel Jacobowitz <dan@codesourcery.com> + + * gdb.texinfo (Types): Describe <struct> and <flags>. + 2010-02-28 Phil Muldoon <pmuldoon@redhat.com> * gdb.texinfo (Frames In Python): Add block parameter and diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo index 460d0d5..6bb7d52 100644 --- a/gdb/doc/gdb.texinfo +++ b/gdb/doc/gdb.texinfo @@ -33073,6 +33073,47 @@ each of which has a @var{name} and a @var{type}: </union> @end smallexample +@cindex <struct> +If a register's value is composed from several separate values, define +it with a structure type. There are two forms of the @samp{<struct>} +element; a @samp{<struct>} element must either contain only bitfields +or contain no bitfields. If the structure contains only bitfields, +its total size in bytes must be specified, each bitfield must have an +explicit start and end, and bitfields are automatically assigned an +integer type. The field's @var{start} should be less than or +equal to its @var{end}, and zero represents the least significant bit. + +@smallexample +<struct id="@var{id}" size="@var{size}"> + <field name="@var{name}" start="@var{start}" end="@var{end}"/> + @dots{} +</struct> +@end smallexample + +If the structure contains no bitfields, then each field has an +explicit type, and no implicit padding is added. + +@smallexample +<struct id="@var{id}"> + <field name="@var{name}" type="@var{type}"/> + @dots{} +</struct> +@end smallexample + +@cindex <flags> +If a register's value is a series of single-bit flags, define it with +a flags type. The @samp{<flags>} element has an explicit @var{size} +and contains one or more @samp{<field>} elements. Each field has a +@var{name}, a @var{start}, and an @var{end}. Only single-bit flags +are supported. + +@smallexample +<flags id="@var{id}" size="@var{size}"> + <field name="@var{name}" start="@var{start}" end="@var{end}"/> + @dots{} +</flags> +@end smallexample + @subsection Registers @cindex <reg> |