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8356075: Support Shenandoah GC in JVMCI #25001

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8356075: Support Shenandoah GC in JVMCI #25001

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344955a
Graal Shenandoah support
rkennke Apr 2, 2025
956bbec
Revert "8321373: Build should use LC_ALL=C.UTF-8"
rkennke Apr 9, 2025
0bcdb7d
Support for Shenandoah card-table barriers in JVMCI
rkennke Apr 17, 2025
2f54728
Merge branch 'master' into graal-shenandoah-support
rkennke Apr 30, 2025
f54cb48
Revert unrelated changes
rkennke May 2, 2025
1543e8f
Revert unrelated changes
rkennke May 2, 2025
25a8a6f
Remove unnecessary stuff
rkennke May 2, 2025
6487a9f
Fix ordering of includes
rkennke May 2, 2025
c95313a
Initialize cardtable_start_address to nullptr
rkennke May 5, 2025
4434458
Align backslashes
rkennke May 5, 2025
41084f3
Simplify pre-barrier runtime entry
rkennke May 5, 2025
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4 changes: 4 additions & 0 deletions src/hotspot/share/gc/shenandoah/shenandoahRuntime.cpp
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Expand Up @@ -48,6 +48,10 @@ JRT_LEAF(void, ShenandoahRuntime::write_ref_field_pre(oopDesc * orig, JavaThread
ShenandoahBarrierSet::satb_mark_queue_set().enqueue_known_active(queue, orig);
JRT_END

void ShenandoahRuntime::write_barrier_pre(oopDesc* orig) {
write_ref_field_pre(orig, JavaThread::current());
}

JRT_LEAF(oopDesc*, ShenandoahRuntime::load_reference_barrier_strong(oopDesc* src, oop* load_addr))
return ShenandoahBarrierSet::barrier_set()->load_reference_barrier_mutator(src, load_addr);
JRT_END
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4 changes: 1 addition & 3 deletions src/hotspot/share/gc/shenandoah/shenandoahRuntime.hpp
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Expand Up @@ -37,9 +37,7 @@ class ShenandoahRuntime : public AllStatic {
static void arraycopy_barrier_narrow_oop(narrowOop* src, narrowOop* dst, size_t length);

static void write_ref_field_pre(oopDesc* orig, JavaThread* thread);
static void pre_barrier(JavaThread* thread, oopDesc* orig) {
write_ref_field_pre(orig, thread);
}
static void write_barrier_pre(oopDesc* orig);

static oopDesc* load_reference_barrier_strong(oopDesc* src, oop* load_addr);
static oopDesc* load_reference_barrier_strong_narrow(oopDesc* src, narrowOop* load_addr);
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2 changes: 1 addition & 1 deletion src/hotspot/share/jvmci/vmStructs_jvmci.cpp
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Expand Up @@ -907,7 +907,7 @@
SHENANDOAHGC_ONLY(declare_function(ShenandoahRuntime::load_reference_barrier_weak_narrow)) \
SHENANDOAHGC_ONLY(declare_function(ShenandoahRuntime::load_reference_barrier_phantom)) \
SHENANDOAHGC_ONLY(declare_function(ShenandoahRuntime::load_reference_barrier_phantom_narrow)) \
SHENANDOAHGC_ONLY(declare_function(ShenandoahRuntime::pre_barrier)) \
SHENANDOAHGC_ONLY(declare_function(ShenandoahRuntime::write_barrier_pre)) \
declare_function(JVMCIRuntime::validate_object) \
\
declare_function(JVMCIRuntime::test_deoptimize_call_int)
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