archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-08-28 15:24:43 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8046936: JEP 270: Reserved Stack Areas for Critical Sections

Browse source 
Reviewed-by: acorn, dcubed
This commit is contained in:
Frederic Parain 2015-12-11 09:07:07 -08:00
parent f6440f7fb1
commit ef800bd53f
69 changed files with 987 additions and 64 deletions
Download patch file Download diff file Expand all files Collapse all files

18
hotspot/src/cpu/sparc/vm/macroAssembler_sparc.cpp
View file

@ -3601,6 +3601,24 @@ void MacroAssembler::bang_stack_size(Register Rsize, Register Rtsp,
}
}
void MacroAssembler::reserved_stack_check() {
// testing if reserved zone needs to be enabled
Label no_reserved_zone_enabling;
ld_ptr(G2_thread, JavaThread::reserved_stack_activation_offset(), G4_scratch);
cmp_and_brx_short(SP, G4_scratch, Assembler::lessUnsigned, Assembler::pt, no_reserved_zone_enabling);
call_VM_leaf(L0, CAST_FROM_FN_PTR(address, SharedRuntime::enable_stack_reserved_zone), G2_thread);
AddressLiteral stub(StubRoutines::throw_delayed_StackOverflowError_entry());
jump_to(stub, G4_scratch);
delayed()->restore();
should_not_reach_here();
bind(no_reserved_zone_enabling);
}
///////////////////////////////////////////////////////////////////////////////////
#if INCLUDE_ALL_GCS