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Code Issues Releases Wiki Activity

GP-1737: Fill read gaps in KNOWN with 0s

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This commit is contained in:
Dan 2022-02-09 13:15:30 -05:00
parent 7e02aa3faa
commit 14e50e6c4b
1 changed files with 6 additions and 2 deletions
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8
Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/trace/database/memory/DBTraceMemorySpace.java
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@ -777,7 +777,9 @@ public class DBTraceMemorySpace implements Unfinished, TraceMemorySpace, DBTrace
int offset = (int) rng.getMinAddress().subtract(toRead.getMinAddress());
int length = (int) rng.getLength();
buf.limit(pos + offset + length);
buf.position(pos + offset);
while (buf.position() < pos + offset) {
buf.put((byte) 0); // fill gaps with 0
}
int read = getBytes(ent.getValue(), rng.getMinAddress(), buf);
if (read < length) {
break;
@ -785,7 +787,9 @@ public class DBTraceMemorySpace implements Unfinished, TraceMemorySpace, DBTrace
}
// We "got it all", even if there were gaps in "KNOWN"
buf.limit(lim);
buf.position(pos + len);
while (buf.position() < pos + len) {
buf.put((byte) 0); // fill final gap with 0
}
return len;
}