Mercurial > hg > truffle
changeset 6422:316b45fa86bc
Added usage to javadoc for BreakpointNode
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Thu, 20 Sep 2012 17:09:53 +0200 |
| parents | d855dd01629f |
| children | 13a08f5bb120 |
| files | graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/BreakpointNode.java |
| diffstat | 1 files changed, 11 insertions(+), 0 deletions(-) [+] |
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--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/BreakpointNode.java Wed Sep 19 12:12:00 2012 +0200 +++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/BreakpointNode.java Thu Sep 20 17:09:53 2012 +0200 @@ -32,6 +32,17 @@ * interest in the Java ABI specified parameter locations corresponding to the * kinds of the values. That is, the arguments are set up as if the breakpoint instruction * was a call to a compiled Java method. + * <p> + * A breakpoint is usually place by defining a node intrinsic method as follows: + * <pre> + * {@literal @}NodeIntrinsic(BreakpointNode.class) + * static void breakpoint(Object object, Word mark, Word value) { + * throw new GraalInternalError(""); + * } + * </pre> + * + * Note that the signature is arbitrary. It's sole purpose is to capture values you + * may want to inspect in the native debugger when the breakpoint is hit. */ public final class BreakpointNode extends FixedWithNextNode implements LIRLowerable {