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| author | Thiago Jung Bauermann <bauerman@br.ibm.com> | 2010-08-18 18:03:51 +0000 |
|---|---|---|
| committer | Thiago Jung Bauermann <bauerman@br.ibm.com> | 2010-08-18 18:03:51 +0000 |
| commit | 461721bf365f8e80fca4036c829c641c3a054fcc (patch) | |
| tree | 95ea4747d7479bea4434cc712415558d1f675547 | |
| parent | 0435f77c72adbf1bdb95322e26520cd3a3cee4b1 (diff) | |
| download | gdb-461721bf365f8e80fca4036c829c641c3a054fcc.tar.gz | |
* gdb.texinfo (PowerPC Embedded): Mention support for the DVC register.
| -rw-r--r-- | gdb/doc/ChangeLog | 4 | ||||
| -rw-r--r-- | gdb/doc/gdb.texinfo | 13 |
2 files changed, 17 insertions, 0 deletions
diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog index 393b0368196..448c4359774 100644 --- a/gdb/doc/ChangeLog +++ b/gdb/doc/ChangeLog @@ -1,3 +1,7 @@ +2010-08-18 Thiago Jung Bauermann <bauerman@br.ibm.com> + + * gdb.texinfo (PowerPC Embedded): Mention support for the DVC register. + 2010-08-13 Doug Evans <dje@google.com> * gdb.texinfo (.debug_gdb_scripts section): Fix typo. diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo index f4bd2a69477..708a5d5bfa2 100644 --- a/gdb/doc/gdb.texinfo +++ b/gdb/doc/gdb.texinfo @@ -18421,6 +18421,19 @@ 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 |