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Code Issues Releases Wiki Activity

Inform decompiler when opaque data-types are variable length

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This commit is contained in:
caheckman 2021-03-30 11:57:07 -04:00
parent df676270e4
commit 71ca7532e7
1 changed files with 5 additions and 0 deletions
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5
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/pcode/PcodeDataTypeManager.java
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@ -588,8 +588,10 @@ public class PcodeDataTypeManager {
} }
else { else {
int sz = type.getLength(); int sz = type.getLength();
boolean isVarLength = false;
if (sz <= 0) { if (sz <= 0) {
sz = size; sz = size;
isVarLength = true;
} }
appendNameIdAttributes(resBuf, origType); appendNameIdAttributes(resBuf, origType);
if (sz < 16) { if (sz < 16) {
@ -601,6 +603,9 @@ public class PcodeDataTypeManager {
// Build an "opaque" structure with no fields // Build an "opaque" structure with no fields
SpecXmlUtils.encodeStringAttribute(resBuf, "metatype", "struct"); SpecXmlUtils.encodeStringAttribute(resBuf, "metatype", "struct");
SpecXmlUtils.encodeSignedIntegerAttribute(resBuf, "size", sz); SpecXmlUtils.encodeSignedIntegerAttribute(resBuf, "size", sz);
if (isVarLength) {
SpecXmlUtils.encodeBooleanAttribute(resBuf, "varlength", isVarLength);
}
resBuf.append('>'); resBuf.append('>');
} }
} }