Mercurial > hg > graal-compiler
diff src/share/vm/oops/methodData.cpp @ 8712:3efdfd6ddbf2
8003553: NPG: metaspace objects should be zeroed in constructors
Summary: Zero metadata in constructors, not in allocation (and some in constructors)
Reviewed-by: jmasa, sspitsyn
| author | coleenp |
|---|---|
| date | Fri, 08 Mar 2013 11:47:57 -0500 |
| parents | 16fb9f942703 |
| children | 46f6f063b272 |
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--- a/src/share/vm/oops/methodData.cpp Thu Mar 07 14:06:44 2013 -0500 +++ b/src/share/vm/oops/methodData.cpp Fri Mar 08 11:47:57 2013 -0500 @@ -652,23 +652,25 @@ // Set the method back-pointer. _method = method(); - if (TieredCompilation) { - _invocation_counter.init(); - _backedge_counter.init(); - _invocation_counter_start = 0; - _backedge_counter_start = 0; - _num_loops = 0; - _num_blocks = 0; - _highest_comp_level = 0; - _highest_osr_comp_level = 0; - _would_profile = true; - } + _invocation_counter.init(); + _backedge_counter.init(); + _invocation_counter_start = 0; + _backedge_counter_start = 0; + _num_loops = 0; + _num_blocks = 0; + _highest_comp_level = 0; + _highest_osr_comp_level = 0; + _would_profile = true; set_creation_mileage(mileage_of(method())); // Initialize flags and trap history. _nof_decompiles = 0; _nof_overflow_recompiles = 0; _nof_overflow_traps = 0; + _eflags = 0; + _arg_local = 0; + _arg_stack = 0; + _arg_returned = 0; assert(sizeof(_trap_hist) % sizeof(HeapWord) == 0, "align"); Copy::zero_to_words((HeapWord*) &_trap_hist, sizeof(_trap_hist) / sizeof(HeapWord)); @@ -677,6 +679,7 @@ // corresponding data cells. int data_size = 0; int empty_bc_count = 0; // number of bytecodes lacking data + _data[0] = 0; // apparently not set below. BytecodeStream stream(method); Bytecodes::Code c; while ((c = stream.next()) >= 0) { @@ -710,6 +713,7 @@ post_initialize(&stream); set_size(object_size); + } // Get a measure of how much mileage the method has on it.