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7119286: JSR292: SIGSEGV in JNIHandleBlock::release_block(JNIHandleBlock*, Thread*)+0x3c

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Unaligned stack in throw_NullPointerException_at_call_entry().

Reviewed-by: twisti, never, kvn
This commit is contained in:
Roland Westrelin 2012-02-08 09:52:24 +01:00
parent e6015c7c26
commit 0f2f8f179e
1 changed files with 4 additions and 2 deletions
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6
hotspot/src/cpu/x86/vm/stubGenerator_x86_64.cpp
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@ -2978,7 +2978,9 @@ class StubGenerator: public StubCodeGenerator {
int frame_complete = __ pc() - start;
// Set up last_Java_sp and last_Java_fp
__ set_last_Java_frame(rsp, rbp, NULL);
address the_pc = __ pc();
__ set_last_Java_frame(rsp, rbp, the_pc);
__ andptr(rsp, -(StackAlignmentInBytes)); // Align stack
// Call runtime
if (arg1 != noreg) {
@ -2997,7 +2999,7 @@ class StubGenerator: public StubCodeGenerator {
oop_maps->add_gc_map(__ pc() - start, map);
__ reset_last_Java_frame(true, false);
__ reset_last_Java_frame(true, true);
__ leave(); // required for proper stackwalking of RuntimeStub frame