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Code Issues Releases Wiki Activity

allow segmentop tag in cspec, update segmentop XML

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This commit is contained in:
caheckman 2019-08-29 16:28:03 -04:00
parent 4c3289f09f
commit 11d7420af5
8 changed files with 34 additions and 149 deletions
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29
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/app/plugin/processors/sleigh/SleighLanguage.java
View file

@ -101,6 +101,13 @@ public class SleighLanguage implements Language {
initialize(description);
}
private void addAdditionInject(InjectPayloadSleigh payload) {
if (additionalInject == null) {
additionalInject = new ArrayList<>();
}
additionalInject.add(payload);
}
private void initialize(SleighLanguageDescription langDescription)
throws SAXException, IOException, UnknownInstructionException {
this.defaultSymbols = new ArrayList<>();
@ -591,35 +598,32 @@ public class SleighLanguage implements Language {
}
InjectPayloadSleigh payload =
new InjectPayloadSleigh(subName, InjectPayload.EXECUTABLEPCODE_TYPE, source);
if (additionalInject == null) {
additionalInject = new ArrayList<>();
}
payload.restoreXml(parser);
additionalInject.add(payload);
addAdditionInject(payload);
}
}
private void parseSegmentOp(XmlElement el, XmlPullParser parser) {
public InjectPayloadSleigh parseSegmentOp(XmlElement el, XmlPullParser parser) {
String name = el.getAttribute("userop");
if (name == null) {
name = "segment";
}
name = name + "_pcode";
String source = "pspec: " + getLanguageID().getIdAsString();
InjectPayloadSleigh payload = null;
if (parser.peek().isStart()) {
if (parser.peek().getName().equals("pcode")) {
InjectPayloadSleigh payload =
new InjectPayloadSleigh(name, InjectPayload.EXECUTABLEPCODE_TYPE, source);
if (additionalInject == null) {
additionalInject = new ArrayList<>();
}
payload = new InjectPayloadSleigh(name, InjectPayload.EXECUTABLEPCODE_TYPE, source);
payload.restoreXml(parser);
additionalInject.add(payload);
}
}
while (parser.peek().isStart()) {
parser.discardSubTree();
}
if (payload == null) {
throw new SleighException("Missing <pcode> child for <segmentop> tag");
}
return payload;
}
private void read(XmlPullParser parser) {
@ -798,7 +802,8 @@ public class SleighLanguage implements Language {
}
}
else if (element.getName().equals("segmentop")) {
parseSegmentOp(element, parser);
InjectPayloadSleigh payload = parseSegmentOp(element, parser);
addAdditionInject(payload);
}
// get rid of the end tag of whatever we started with at the top of the while
parser.end(element);

6
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/lang/BasicCompilerSpec.java
View file

@ -482,6 +482,12 @@ public class BasicCompilerSpec implements CompilerSpec {
evalCurrentPrototype = parser.start().getAttribute("name");
parser.end();
}
else if (name.equals("segmentop")) {
XmlElement el = parser.start();
InjectPayloadSleigh payload = language.parseSegmentOp(el, parser);
parser.end();
pcodeInject.registerInject(payload);
}
else {
XmlElement el = parser.start();
parser.discardSubTree(el);