Examples with J9DDRImageSection com.ibm.j9ddr.view.dtfj.image.J9DDRImageSection used on opensource projects

Example 6 with J9DDRImageSection

use of com.ibm.j9ddr.view.dtfj.image.J9DDRImageSection in project openj9 by eclipse.

the class DTFJJavaThread method walkSections.

private void walkSections() {
    sections = new ArrayList<Object>();
    J9JavaStackIterator stacks;
    try {
        stacks = J9JavaStackIterator.fromJ9JavaStack(thread.stackObject());
    } catch (Throwable t) {
        CorruptData cd = J9DDRDTFJUtils.handleAsCorruptData(DTFJContext.getProcess(), t);
        sections.add(cd);
        return;
    }
    // JEXTRACT seems to be hard coded to only return 1 stack section ... walking the stack finds more than one.
    int count = 0;
    while (stacks.hasNext() && count < 1) {
        J9JavaStackPointer stack = stacks.next();
        try {
            long size = stack.size().longValue();
            long baseAddress = stack.end().longValue() - size;
            J9DDRImageSection newSection = DTFJContext.getImageSection(baseAddress, getSectionName());
            newSection.setSize(size);
            sections.add(newSection);
            count++;
        } catch (Throwable t) {
            CorruptData cd = J9DDRDTFJUtils.handleAsCorruptData(DTFJContext.getProcess(), t);
            sections.add(cd);
        }
    }
}