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8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9

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Make compiled code bang the stack by the worst case size of the interpreter frame at deoptimization points.

Reviewed-by: twisti, kvn
This commit is contained in:
Roland Westrelin 2014-04-01 09:36:49 +02:00
parent bce45e9222
commit f5adc57f94
44 changed files with 1209 additions and 760 deletions
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13
hotspot/src/cpu/x86/vm/sharedRuntime_x86_32.cpp
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@ -3014,11 +3014,15 @@ void SharedRuntime::generate_deopt_blob() {
// restore rbp before stack bang because if stack overflow is thrown it needs to be pushed (and preserved)
__ movptr(rbp, Address(rdi, Deoptimization::UnrollBlock::initial_info_offset_in_bytes()));
// Stack bang to make sure there's enough room for these interpreter frames.
#ifdef ASSERT
// Compilers generate code that bang the stack by as much as the
// interpreter would need. So this stack banging should never
// trigger a fault. Verify that it does not on non product builds.
if (UseStackBanging) {
__ movl(rbx, Address(rdi ,Deoptimization::UnrollBlock::total_frame_sizes_offset_in_bytes()));
__ bang_stack_size(rbx, rcx);
}
#endif
// Load array of frame pcs into ECX
__ movptr(rcx,Address(rdi,Deoptimization::UnrollBlock::frame_pcs_offset_in_bytes()));
@ -3240,12 +3244,15 @@ void SharedRuntime::generate_uncommon_trap_blob() {
// restore rbp before stack bang because if stack overflow is thrown it needs to be pushed (and preserved)
__ movptr(rbp, Address(rdi, Deoptimization::UnrollBlock::initial_info_offset_in_bytes()));
// Stack bang to make sure there's enough room for these interpreter frames.
#ifdef ASSERT
// Compilers generate code that bang the stack by as much as the
// interpreter would need. So this stack banging should never
// trigger a fault. Verify that it does not on non product builds.
if (UseStackBanging) {
__ movl(rbx, Address(rdi ,Deoptimization::UnrollBlock::total_frame_sizes_offset_in_bytes()));
__ bang_stack_size(rbx, rcx);
}
#endif
// Load array of frame pcs into ECX
__ movl(rcx,Address(rdi,Deoptimization::UnrollBlock::frame_pcs_offset_in_bytes()));