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8057845: ClassVerifier::verify_exception_handler_targets reconstructs the ExceptionTable in a loop

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Construct the ExceptionTable only once, before the loop

Reviewed-by: acorn, jiangli, coleenp, lfoltan
This commit is contained in:
Harold Seigel 2014-09-19 08:19:04 -04:00
parent 4d8eb788f4
commit 1bae14de54
1 changed files with 0 additions and 4 deletions
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4
hotspot/src/share/vm/classfile/verifier.cpp
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@ -1694,8 +1694,6 @@ void ClassVerifier::verify_exception_handler_table(u4 code_length, char* code_da
constantPoolHandle cp (THREAD, _method->constants()); constantPoolHandle cp (THREAD, _method->constants());
for(int i = 0; i < exlength; i++) { for(int i = 0; i < exlength; i++) {
//reacquire the table in case a GC happened
ExceptionTable exhandlers(_method());
u2 start_pc = exhandlers.start_pc(i); u2 start_pc = exhandlers.start_pc(i);
u2 end_pc = exhandlers.end_pc(i); u2 end_pc = exhandlers.end_pc(i);
u2 handler_pc = exhandlers.handler_pc(i); u2 handler_pc = exhandlers.handler_pc(i);
@ -1803,8 +1801,6 @@ void ClassVerifier::verify_exception_handler_targets(u2 bci, bool this_uninit, S
ExceptionTable exhandlers(_method()); ExceptionTable exhandlers(_method());
int exlength = exhandlers.length(); int exlength = exhandlers.length();
for(int i = 0; i < exlength; i++) { for(int i = 0; i < exlength; i++) {
//reacquire the table in case a GC happened
ExceptionTable exhandlers(_method());
u2 start_pc = exhandlers.start_pc(i); u2 start_pc = exhandlers.start_pc(i);
u2 end_pc = exhandlers.end_pc(i); u2 end_pc = exhandlers.end_pc(i);
u2 handler_pc = exhandlers.handler_pc(i); u2 handler_pc = exhandlers.handler_pc(i);