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6294277: java -Xdebug crashes on SourceDebugExtension attribute larger than 64K

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Reviewed-by: sspitsyn, dholmes, coleenp, kamg
This commit is contained in:
Frederic Parain 2012-07-09 01:28:37 -07:00
parent 39dfe6d047
commit 13c689d9c3
12 changed files with 273 additions and 35 deletions
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10
hotspot/src/share/vm/prims/jvmtiClassFileReconstituter.cpp
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@ -268,14 +268,18 @@ void JvmtiClassFileReconstituter::write_source_file_attribute() {
// JSR45| SourceDebugExtension_attribute {
// JSR45| u2 attribute_name_index;
// JSR45| u4 attribute_length;
// JSR45| u2 sourcefile_index;
// JSR45| u1 debug_extension[attribute_length];
// JSR45| }
void JvmtiClassFileReconstituter::write_source_debug_extension_attribute() {
assert(ikh()->source_debug_extension() != NULL, "caller must check");
write_attribute_name_index("SourceDebugExtension");
write_u4(2); // always length 2
write_u2(symbol_to_cpool_index(ikh()->source_debug_extension()));
int len = (int)strlen(ikh()->source_debug_extension());
write_u4(len);
u1* ext = (u1*)ikh()->source_debug_extension();
for (int i=0; i<len; i++) {
write_u1(ext[i]);
}
}
// Write (generic) Signature attribute