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* Improve documentation of --vgdb=full

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* make a reference to --vex-iropt-precise-memory-exns=yes 
  to obtain up to date registers values.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@12416
This commit is contained in:
Philippe Waroquiers 2012-03-05 22:09:20 +00:00
parent d58aa28f82
commit c0883bddd7
2 changed files with 18 additions and 9 deletions
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10
docs/xml/manual-core-adv.xml
View File

@ -746,6 +746,16 @@ are however some limitations and peculiarities:</para>
</para>
</listitem>
<listitem>
<para>Registers values.</para>
<para>When Valgrind gdbserver stops on an error, registers values
might not be always up to date due to the optimisations done by
the Valgrind core. The
option <option>--vex-iropt-precise-memory-exns=yes</option>
ensures precise registers values by disabling some optimisations.
</para>
</listitem>
<listitem>
<para>Hardware watchpoint support by the Valgrind
gdbserver.</para>

17
docs/xml/manual-core.xml
View File

@ -725,13 +725,15 @@ in most cases. We group the available options by rough categories.</para>
<option><![CDATA[--vgdb=<no|yes|full> [default: yes] ]]></option>
</term>
<listitem>
<para>Valgrind will provide "gdbserver" functionality when
<option>--vgdb=yes</option>
or <option>--vgdb=full</option> is specified. This
allows an external GNU GDB debugger
to control and debug your program when it runs on Valgrind. See
<xref linkend="manual-core-adv.gdbserver"/> for a detailed
description.
<option>--vgdb=yes</option> or <option>--vgdb=full</option> is
specified. This allows an external GNU GDB debugger to control
and debug your program when it runs on Valgrind.
<option>--vgdb=full</option> incurs significant performance
overheads, but provides more precise breakpoints and
watchpoints. See <xref linkend="manual-core-adv.gdbserver"/> for
a detailed description.
</para>
<para> If the embedded gdbserver is enabled but no gdb is
@ -743,9 +745,6 @@ in most cases. We group the available options by rough categories.</para>
documented in the tool specific chapter.
</para>
<para><option>--vgdb=full</option> incurs
significant performance overheads.
</para>
</listitem>
</varlistentry>