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* gdb.texinfo (PowerPC Embedded): Mention support for the DVC register.

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Thiago Jung Bauermann 2010-08-18 17:58:48 +00:00
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gdb/doc/ChangeLog
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@ -1,3 +1,7 @@
2010-08-18 Thiago Jung Bauermann <bauerman@br.ibm.com>
* gdb.texinfo (PowerPC Embedded): Mention support for the DVC register.
2010-08-16 Tom Tromey <tromey@redhat.com>
* gdb.texinfo (Set Watchpoints): Document -location option.

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gdb/doc/gdb.texinfo
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@ -18472,6 +18472,19 @@ Set suspend trace mode.
@node PowerPC Embedded
@subsection PowerPC Embedded
@cindex DVC register
@value{GDBN} supports using the DVC (Data Value Compare) register to
implement in hardware simple hardware watchpoint conditions of the form:
@smallexample
(@value{GDBP}) watch @var{ADDRESS|VARIABLE} \
if @var{ADDRESS|VARIABLE} == @var{CONSTANT EXPRESSION}
@end smallexample
The DVC register will be automatically used whenever @value{GDBN} detects
such pattern in a condition expression. This feature is available in native
@value{GDBN} running on a Linux kernel version 2.6.34 or newer.
@value{GDBN} provides the following PowerPC-specific commands:
@table @code