Lines Matching full:shadow
710 xreflabel="Examining and modifying Valgrind shadow registers">
711 <title>Examining and modifying Valgrind shadow registers</title>
713 <para> When the option <option>--vgdb-shadow-registers=yes</option> is
715 Valgrind's shadow registers. GDB version 7.1 or later is needed for this
719 shadow register sets. These shadow registers can be accessed from
722 and second shadow register. For example, the x86 register
736 <para>Float shadow registers are shown by GDB as unsigned integer
738 shadow values are mostly used for memcheck validity bits. </para>
741 to <computeroutput>ymm15</computeroutput> have also their shadow
742 registers. However, GDB presents the shadow values using two
743 "half" registers. For example, the half shadow registers for
752 and has an <computeroutput>h</computeroutput> before the shadow postfix.
754 <para>The special presentation of the AVX shadow registers is due to
757 however know that the shadow half registers have to be shown combined.
1869 poorly designed) ppc64-linux ABI. This mandates the use of a shadow
1872 wrappers will rapidly lead to disaster, since the shadow stack will
1873 not get correctly cleared. Secondly, since the shadow stack has
