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8033566: [parfait] warning from b128 for hotspot/src/share/vm/runtime/frame.cpp: JNI primitive type mismatch

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Added an assert for checking the return value is <= max_jint

Reviewed-by: coleenp, minqi
This commit is contained in:
Calvin Cheung 2014-03-24 10:48:44 -07:00
parent ba76cc617e
commit 1c9ebd2beb
1 changed files with 7 additions and 4 deletions
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7
hotspot/src/share/vm/runtime/frame.cpp
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@ -531,13 +531,16 @@ jint frame::interpreter_frame_expression_stack_size() const {
// Number of elements on the interpreter expression stack
// Callers should span by stackElementWords
int element_size = Interpreter::stackElementWords;
size_t stack_size = 0;
if (frame::interpreter_frame_expression_stack_direction() < 0) {
return (interpreter_frame_expression_stack() -
stack_size = (interpreter_frame_expression_stack() -
interpreter_frame_tos_address() + 1)/element_size;
} else {
return (interpreter_frame_tos_address() -
stack_size = (interpreter_frame_tos_address() -
interpreter_frame_expression_stack() + 1)/element_size;
}
assert( stack_size <= (size_t)max_jint, "stack size too big");
return ((jint)stack_size);
}