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Save stubgen stubs #28433

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c294550
complete stub save and restore for aarch64
adinn Nov 10, 2025
53cf355
count and log stubgen blobs
adinn Nov 11, 2025
1397164
remove redundant publication of external addresses
adinn Nov 13, 2025
3f052ce
fix missing external address
adinn Nov 17, 2025
32f1320
fix external address problem
adinn Nov 17, 2025
b9adda3
fix stub publish/save checks
adinn Nov 17, 2025
16f4d1f
move handler management routines to shared code
adinn Nov 17, 2025
9f27b2b
first complete version of x86 stub save and restore
adinn Nov 18, 2025
24a7c88
fix x86 avx2 stub generation
adinn Nov 19, 2025
1da6590
fix zero/minimal build issues
adinn Nov 19, 2025
3774e5f
fix more zero issues
adinn Nov 19, 2025
2043042
correct var init on x86
adinn Nov 19, 2025
351712a
update zero port with required changes
adinn Nov 19, 2025
63d4d1c
update arm/ppc/riscv/s390/ ports with required changes
adinn Nov 19, 2025
7cf62b2
fix typo
adinn Nov 19, 2025
042be3f
fix format issue
adinn Nov 20, 2025
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2 changes: 1 addition & 1 deletion src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -3306,7 +3306,7 @@ void MacroAssembler::subw(Register Rd, Register Rn, RegisterOrConstant decrement
void MacroAssembler::reinit_heapbase()
{
if (UseCompressedOops) {
if (Universe::is_fully_initialized()) {
if (Universe::is_fully_initialized() && !AOTCodeCache::is_on_for_dump()) {
mov(rheapbase, CompressedOops::base());
} else {
lea(rheapbase, ExternalAddress(CompressedOops::base_addr()));
Expand Down
2 changes: 1 addition & 1 deletion src/hotspot/cpu/aarch64/runtime_aarch64.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -292,7 +292,7 @@ ExceptionBlob* OptoRuntime::generate_exception_blob() {
assert(SimpleRuntimeFrame::framesize % 4 == 0, "sp not 16-byte aligned");

const char* name = OptoRuntime::stub_name(StubId::c2_exception_id);
CodeBlob* blob = AOTCodeCache::load_code_blob(AOTCodeEntry::C2Blob, (uint)BlobId::c2_exception_id, name);
CodeBlob* blob = AOTCodeCache::load_code_blob(AOTCodeEntry::C2Blob, BlobId::c2_exception_id);
if (blob != nullptr) {
return blob->as_exception_blob();
}
Expand Down
49 changes: 45 additions & 4 deletions src/hotspot/cpu/aarch64/stubDeclarations_aarch64.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -84,8 +84,7 @@
do_stub(compiler, count_positives) \
do_arch_entry(aarch64, compiler, count_positives, count_positives, \
count_positives) \
do_stub(compiler, count_positives_long) \
do_arch_entry(aarch64, compiler, count_positives_long, \
do_arch_entry(aarch64, compiler, count_positives, \
count_positives_long, count_positives_long) \
do_stub(compiler, compare_long_string_LL) \
do_arch_entry(aarch64, compiler, compare_long_string_LL, \
Expand All @@ -108,8 +107,9 @@
do_stub(compiler, string_indexof_linear_ul) \
do_arch_entry(aarch64, compiler, string_indexof_linear_ul, \
string_indexof_linear_ul, string_indexof_linear_ul) \
/* this uses the entry for ghash_processBlocks */ \
do_stub(compiler, ghash_processBlocks_wide) \
do_stub(compiler, ghash_processBlocks_small) \
do_arch_entry(aarch64, compiler, ghash_processBlocks_small, \
ghash_processBlocks_small, ghash_processBlocks_small) \


#define STUBGEN_FINAL_BLOBS_ARCH_DO(do_stub, \
Expand Down Expand Up @@ -142,6 +142,47 @@
/* stub only -- entries are not stored in StubRoutines::aarch64 */ \
/* n.b. these are not the same as the generic atomic stubs */ \
do_stub(final, atomic_entry_points) \
do_arch_entry(aarch64, final, atomic_entry_points, \
atomic_fetch_add_4_impl, atomic_fetch_add_4_impl) \
do_arch_entry(aarch64, final, atomic_entry_points, \
atomic_fetch_add_8_impl, atomic_fetch_add_8_impl) \
do_arch_entry(aarch64, final, atomic_entry_points, \
atomic_fetch_add_4_relaxed_impl, \
atomic_fetch_add_4_relaxed_impl) \
do_arch_entry(aarch64, final, atomic_entry_points, \
atomic_fetch_add_8_relaxed_impl, \
atomic_fetch_add_8_relaxed_impl) \
do_arch_entry(aarch64, final, atomic_entry_points, \
atomic_xchg_4_impl, atomic_xchg_4_impl) \
do_arch_entry(aarch64, final, atomic_entry_points, \
atomic_xchg_8_impl, atomic_xchg_8_impl) \
do_arch_entry(aarch64, final, atomic_entry_points, \
atomic_cmpxchg_1_impl, atomic_cmpxchg_1_impl) \
do_arch_entry(aarch64, final, atomic_entry_points, \
atomic_cmpxchg_4_impl, atomic_cmpxchg_4_impl) \
do_arch_entry(aarch64, final, atomic_entry_points, \
atomic_cmpxchg_8_impl, atomic_cmpxchg_8_impl) \
do_arch_entry(aarch64, final, atomic_entry_points, \
atomic_cmpxchg_1_relaxed_impl, \
atomic_cmpxchg_1_relaxed_impl) \
do_arch_entry(aarch64, final, atomic_entry_points, \
atomic_cmpxchg_4_relaxed_impl, \
atomic_cmpxchg_4_relaxed_impl) \
do_arch_entry(aarch64, final, atomic_entry_points, \
atomic_cmpxchg_8_relaxed_impl, \
atomic_cmpxchg_8_relaxed_impl) \
do_arch_entry(aarch64, final, atomic_entry_points, \
atomic_cmpxchg_4_release_impl, \
atomic_cmpxchg_4_release_impl) \
do_arch_entry(aarch64, final, atomic_entry_points, \
atomic_cmpxchg_8_release_impl, \
atomic_cmpxchg_8_release_impl) \
do_arch_entry(aarch64, final, atomic_entry_points, \
atomic_cmpxchg_4_seq_cst_impl, \
atomic_cmpxchg_4_seq_cst_impl) \
do_arch_entry(aarch64, final, atomic_entry_points, \
atomic_cmpxchg_8_seq_cst_impl, \
atomic_cmpxchg_8_seq_cst_impl) \


#endif // CPU_AARCH64_STUBDECLARATIONS_HPP
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