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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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11
hotspot/src/cpu/sparc/vm/sharedRuntime_sparc.cpp
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@ -3355,13 +3355,16 @@ static void make_new_frames(MacroAssembler* masm, bool deopt) {
Register O4array_size = O4;
Label loop;
// Before we make new frames, check to see if stack is available.
// Do this after the caller's return address is on top of stack
#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) {
// Get total frame size for interpreted frames
__ ld(O2UnrollBlock, Deoptimization::UnrollBlock::total_frame_sizes_offset_in_bytes(), O4);
__ bang_stack_size(O4, O3, G3_scratch);
}
#endif
__ ld(O2UnrollBlock, Deoptimization::UnrollBlock::number_of_frames_offset_in_bytes(), O4array_size);
__ ld_ptr(O2UnrollBlock, Deoptimization::UnrollBlock::frame_pcs_offset_in_bytes(), G3pcs);
@ -3409,9 +3412,11 @@ void SharedRuntime::generate_deopt_blob() {
ResourceMark rm;
// setup code generation tools
int pad = VerifyThread ? 512 : 0;// Extra slop space for more verify code
#ifdef ASSERT
if (UseStackBanging) {
pad += StackShadowPages*16 + 32;
}
#endif
#ifdef _LP64
CodeBuffer buffer("deopt_blob", 2100+pad, 512);
#else
@ -3632,9 +3637,11 @@ void SharedRuntime::generate_uncommon_trap_blob() {
ResourceMark rm;
// setup code generation tools
int pad = VerifyThread ? 512 : 0;
#ifdef ASSERT
if (UseStackBanging) {
pad += StackShadowPages*16 + 32;
}
#endif
#ifdef _LP64
CodeBuffer buffer("uncommon_trap_blob", 2700+pad, 512);
#else