Skip to content

8320139: [JVMCI] VmObjectAlloc is not generated by intrinsics methods which allocate objects #16980

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
wants to merge 2 commits into from
+13 −0
Closed

8320139: [JVMCI] VmObjectAlloc is not generated by intrinsics methods which allocate objects #16980

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
0b430d8
[JVMCI] Export pointer to JvmtiExport::_should_notify_object_alloc vi…
rmosaner Dec 5, 2023
35b2fd9
[JVMCI] Documentation for _should_notify_object_alloc export.
rmosaner Dec 19, 2023
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
7 changes: 7 additions & 0 deletions src/hotspot/share/jvmci/jvmciCompilerToVM.hpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -115,6 +115,13 @@ class CompilerToVM {
// Minimum alignment of an offset into CodeBuffer::SECT_CONSTS
static int data_section_item_alignment;

/*
* Pointer to JvmtiExport::_should_notify_object_alloc.
* Exposed as an int* instead of an address so the
* underlying type is part of the JVMCIVMStructs definition.
*/
static int* _should_notify_object_alloc;

public:
static void initialize(JVMCI_TRAPS);

Expand Down
4 changes: 4 additions & 0 deletions src/hotspot/share/jvmci/jvmciCompilerToVMInit.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -130,6 +130,8 @@ address CompilerToVM::Data::symbol_clinit;

int CompilerToVM::Data::data_section_item_alignment;

int* CompilerToVM::Data::_should_notify_object_alloc;

void CompilerToVM::Data::initialize(JVMCI_TRAPS) {
Klass_vtable_start_offset = in_bytes(Klass::vtable_start_offset());
Klass_vtable_length_offset = in_bytes(Klass::vtable_length_offset());
Expand Down Expand Up @@ -196,6 +198,8 @@ void CompilerToVM::Data::initialize(JVMCI_TRAPS) {

data_section_item_alignment = relocInfo::addr_unit();

_should_notify_object_alloc = &JvmtiExport::_should_notify_object_alloc;

BarrierSet* bs = BarrierSet::barrier_set();
if (bs->is_a(BarrierSet::CardTableBarrierSet)) {
CardTable::CardValue* base = ci_card_table_address();
Expand Down
2 changes: 2 additions & 0 deletions src/hotspot/share/jvmci/vmStructs_jvmci.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -122,6 +122,8 @@
\
static_field(CompilerToVM::Data, data_section_item_alignment, int) \
\
static_field(CompilerToVM::Data, _should_notify_object_alloc, int*) \
\
static_field(Abstract_VM_Version, _features, uint64_t) \
\
nonstatic_field(Annotations, _class_annotations, AnnotationArray*) \
Expand Down