From e103f0d4f930b59de0808cabae9d5d6337442357 Mon Sep 17 00:00:00 2001 From: eabdullin Date: Wed, 15 Nov 2023 21:06:14 +0000 Subject: [PATCH] import UBI java-21-openjdk-21.0.1.0.12-3.el8 --- SOURCES/java-21-openjdk-portable.specfile | 10 +- SOURCES/jdk8311630-s390_ffmapi.patch | 1906 +++++++++++++++++++++ SPECS/java-21-openjdk.spec | 14 +- 3 files changed, 1925 insertions(+), 5 deletions(-) create mode 100644 SOURCES/jdk8311630-s390_ffmapi.patch diff --git a/SOURCES/java-21-openjdk-portable.specfile b/SOURCES/java-21-openjdk-portable.specfile index 045e803..23a4d0d 100644 --- a/SOURCES/java-21-openjdk-portable.specfile +++ b/SOURCES/java-21-openjdk-portable.specfile @@ -379,7 +379,7 @@ %global top_level_dir_name %{vcstag} %global top_level_dir_name_backup %{top_level_dir_name}-backup %global buildver 12 -%global rpmrelease 1 +%global rpmrelease 2 #%%global tagsuffix %%{nil} # Priority must be 8 digits in total; up to openjdk 1.8, we were using 18..... so when we moved to 11, we had to add another digit %if %is_system_jdk @@ -662,7 +662,8 @@ Patch6: jdk8009550-rh910107-fail_to_load_pcsc_library.patch # ############################################# -# Currently empty +# JDK-8311630: [s390] Implementation of Foreign Function & Memory API (Preview) +Patch100: jdk8311630-s390_ffmapi.patch ############################################# # @@ -945,6 +946,8 @@ pushd %{top_level_dir_name} %patch1001 -p1 # Patches in need of upstreaming %patch6 -p1 +# Patches in next release +%patch100 -p1 popd # openjdk @@ -1688,6 +1691,9 @@ done %{_jvmdir}/%{miscportablearchive}.sha256sum %changelog +* Mon Nov 06 2023 Andrew Hughes - 1:21.0.1.0.12-2 +- Include JDK-8311630 patch to implement Foreign Function & Memory preview API on s390x + * Sun Oct 29 2023 Andrew Hughes - 1:21.0.1.0.12-1 - Update to jdk-21.0.1.0+12 (GA) - Update release notes to 21.0.1.0+12 diff --git a/SOURCES/jdk8311630-s390_ffmapi.patch b/SOURCES/jdk8311630-s390_ffmapi.patch new file mode 100644 index 0000000..cd3bc08 --- /dev/null +++ b/SOURCES/jdk8311630-s390_ffmapi.patch @@ -0,0 +1,1906 @@ +commit 27f635fabe7c2933674ad40443906fc35eecf785 +Author: Sidraya Jayagond +Date: Tue Sep 12 09:07:09 2023 +0000 + + 8311630: [s390] Implementation of Foreign Function & Memory API (Preview) + + Backport-of: ec1f7a8480db025a6f405817a106af8e92b69c44 + +diff --git a/src/hotspot/cpu/s390/downcallLinker_s390.cpp b/src/hotspot/cpu/s390/downcallLinker_s390.cpp +index baee7d7a043..f831da90755 100644 +--- a/src/hotspot/cpu/s390/downcallLinker_s390.cpp ++++ b/src/hotspot/cpu/s390/downcallLinker_s390.cpp +@@ -23,8 +23,76 @@ + */ + + #include "precompiled.hpp" ++#include "asm/macroAssembler.inline.hpp" ++#include "code/codeBlob.hpp" ++#include "code/codeCache.hpp" ++#include "code/vmreg.inline.hpp" ++#include "compiler/oopMap.hpp" ++#include "logging/logStream.hpp" ++#include "memory/resourceArea.hpp" + #include "prims/downcallLinker.hpp" +-#include "utilities/debug.hpp" ++#include "runtime/globals.hpp" ++#include "runtime/stubCodeGenerator.hpp" ++ ++#define __ _masm-> ++ ++class DowncallStubGenerator : public StubCodeGenerator { ++ BasicType* _signature; ++ int _num_args; ++ BasicType _ret_bt; ++ const ABIDescriptor& _abi; ++ ++ const GrowableArray& _input_registers; ++ const GrowableArray& _output_registers; ++ ++ bool _needs_return_buffer; ++ int _captured_state_mask; ++ bool _needs_transition; ++ ++ int _frame_complete; ++ int _frame_size_slots; ++ OopMapSet* _oop_maps; ++ public: ++ DowncallStubGenerator(CodeBuffer* buffer, ++ BasicType* signature, ++ int num_args, ++ BasicType ret_bt, ++ const ABIDescriptor& abi, ++ const GrowableArray& input_registers, ++ const GrowableArray& output_registers, ++ bool needs_return_buffer, ++ int captured_state_mask, ++ bool needs_transition) ++ :StubCodeGenerator(buffer, PrintMethodHandleStubs), ++ _signature(signature), ++ _num_args(num_args), ++ _ret_bt(ret_bt), ++ _abi(abi), ++ _input_registers(input_registers), ++ _output_registers(output_registers), ++ _needs_return_buffer(needs_return_buffer), ++ _captured_state_mask(captured_state_mask), ++ _needs_transition(needs_transition), ++ _frame_complete(0), ++ _frame_size_slots(0), ++ _oop_maps(nullptr) { ++ } ++ void generate(); ++ int frame_complete() const { ++ return _frame_complete; ++ } ++ ++ int framesize() const { ++ return (_frame_size_slots >> (LogBytesPerWord - LogBytesPerInt)); ++ } ++ ++ OopMapSet* oop_maps() const { ++ return _oop_maps; ++ } ++}; ++ ++static const int native_invoker_code_base_size = 512; ++static const int native_invoker_size_per_args = 8; + + RuntimeStub* DowncallLinker::make_downcall_stub(BasicType* signature, + int num_args, +@@ -35,6 +103,197 @@ RuntimeStub* DowncallLinker::make_downcall_stub(BasicType* signature, + bool needs_return_buffer, + int captured_state_mask, + bool needs_transition) { +- Unimplemented(); +- return nullptr; ++ ++ int code_size = native_invoker_code_base_size + (num_args * native_invoker_size_per_args); ++ int locs_size = 1; //must be non zero ++ CodeBuffer code("nep_invoker_blob", code_size, locs_size); ++ ++ DowncallStubGenerator g(&code, signature, num_args, ret_bt, abi, ++ input_registers, output_registers, ++ needs_return_buffer, captured_state_mask, ++ needs_transition); ++ g.generate(); ++ code.log_section_sizes("nep_invoker_blob"); ++ ++ RuntimeStub* stub = ++ RuntimeStub::new_runtime_stub("nep_invoker_blob", ++ &code, ++ g.frame_complete(), ++ g.framesize(), ++ g.oop_maps(), false); ++ ++#ifndef PRODUCT ++ LogTarget(Trace, foreign, downcall) lt; ++ if (lt.is_enabled()) { ++ ResourceMark rm; ++ LogStream ls(lt); ++ stub->print_on(&ls); ++ } ++#endif ++ ++ return stub; ++} ++ ++void DowncallStubGenerator::generate() { ++ Register call_target_address = Z_R1_scratch, ++ tmp = Z_R0_scratch; ++ ++ VMStorage shuffle_reg = _abi._scratch1; ++ ++ JavaCallingConvention in_conv; ++ NativeCallingConvention out_conv(_input_registers); ++ ArgumentShuffle arg_shuffle(_signature, _num_args, _signature, _num_args, &in_conv, &out_conv, shuffle_reg); ++ ++#ifndef PRODUCT ++ LogTarget(Trace, foreign, downcall) lt; ++ if (lt.is_enabled()) { ++ ResourceMark rm; ++ LogStream ls(lt); ++ arg_shuffle.print_on(&ls); ++ } ++#endif ++ ++ assert(_abi._shadow_space_bytes == frame::z_abi_160_size, "expected space according to ABI"); ++ int allocated_frame_size = _abi._shadow_space_bytes; ++ allocated_frame_size += arg_shuffle.out_arg_bytes(); ++ ++ assert(!_needs_return_buffer, "unexpected needs_return_buffer"); ++ RegSpiller out_reg_spiller(_output_registers); ++ int spill_offset = allocated_frame_size; ++ allocated_frame_size += BytesPerWord; ++ ++ StubLocations locs; ++ locs.set(StubLocations::TARGET_ADDRESS, _abi._scratch2); ++ ++ if (_captured_state_mask != 0) { ++ __ block_comment("{ _captured_state_mask is set"); ++ locs.set_frame_data(StubLocations::CAPTURED_STATE_BUFFER, allocated_frame_size); ++ allocated_frame_size += BytesPerWord; ++ __ block_comment("} _captured_state_mask is set"); ++ } ++ ++ allocated_frame_size = align_up(allocated_frame_size, StackAlignmentInBytes); ++ _frame_size_slots = allocated_frame_size >> LogBytesPerInt; ++ ++ _oop_maps = _needs_transition ? new OopMapSet() : nullptr; ++ address start = __ pc(); ++ ++ __ save_return_pc(); ++ __ push_frame(allocated_frame_size, Z_R11); // Create a new frame for the wrapper. ++ ++ _frame_complete = __ pc() - start; // frame build complete. ++ ++ if (_needs_transition) { ++ __ block_comment("{ thread java2native"); ++ __ get_PC(Z_R1_scratch); ++ address the_pc = __ pc(); ++ __ set_last_Java_frame(Z_SP, Z_R1_scratch); ++ ++ OopMap* map = new OopMap(_frame_size_slots, 0); ++ _oop_maps->add_gc_map(the_pc - start, map); ++ ++ // State transition ++ __ set_thread_state(_thread_in_native); ++ __ block_comment("} thread java2native"); ++ } ++ __ block_comment("{ argument shuffle"); ++ arg_shuffle.generate(_masm, shuffle_reg, frame::z_jit_out_preserve_size, _abi._shadow_space_bytes, locs); ++ __ block_comment("} argument shuffle"); ++ ++ __ call(as_Register(locs.get(StubLocations::TARGET_ADDRESS))); ++ ++ ////////////////////////////////////////////////////////////////////////////// ++ ++ if (_captured_state_mask != 0) { ++ __ block_comment("{ save thread local"); ++ ++ out_reg_spiller.generate_spill(_masm, spill_offset); ++ ++ __ load_const_optimized(call_target_address, CAST_FROM_FN_PTR(uint64_t, DowncallLinker::capture_state)); ++ __ z_lg(Z_ARG1, Address(Z_SP, locs.data_offset(StubLocations::CAPTURED_STATE_BUFFER))); ++ __ load_const_optimized(Z_ARG2, _captured_state_mask); ++ __ call(call_target_address); ++ ++ out_reg_spiller.generate_fill(_masm, spill_offset); ++ ++ __ block_comment("} save thread local"); ++ } ++ ++ ////////////////////////////////////////////////////////////////////////////// ++ ++ Label L_after_safepoint_poll; ++ Label L_safepoint_poll_slow_path; ++ Label L_reguard; ++ Label L_after_reguard; ++ ++ if (_needs_transition) { ++ __ block_comment("{ thread native2java"); ++ __ set_thread_state(_thread_in_native_trans); ++ ++ if (!UseSystemMemoryBarrier) { ++ __ z_fence(); // Order state change wrt. safepoint poll. ++ } ++ ++ __ safepoint_poll(L_safepoint_poll_slow_path, tmp); ++ ++ __ load_and_test_int(tmp, Address(Z_thread, JavaThread::suspend_flags_offset())); ++ __ z_brne(L_safepoint_poll_slow_path); ++ ++ __ bind(L_after_safepoint_poll); ++ ++ // change thread state ++ __ set_thread_state(_thread_in_Java); ++ ++ __ block_comment("reguard stack check"); ++ __ z_cli(Address(Z_thread, JavaThread::stack_guard_state_offset() + in_ByteSize(sizeof(StackOverflow::StackGuardState) - 1)), ++ StackOverflow::stack_guard_yellow_reserved_disabled); ++ __ z_bre(L_reguard); ++ __ bind(L_after_reguard); ++ ++ __ reset_last_Java_frame(); ++ __ block_comment("} thread native2java"); ++ } ++ ++ __ pop_frame(); ++ __ restore_return_pc(); // This is the way back to the caller. ++ __ z_br(Z_R14); ++ ++ ////////////////////////////////////////////////////////////////////////////// ++ ++ if (_needs_transition) { ++ __ block_comment("{ L_safepoint_poll_slow_path"); ++ __ bind(L_safepoint_poll_slow_path); ++ ++ // Need to save the native result registers around any runtime calls. ++ out_reg_spiller.generate_spill(_masm, spill_offset); ++ ++ __ load_const_optimized(call_target_address, CAST_FROM_FN_PTR(uint64_t, JavaThread::check_special_condition_for_native_trans)); ++ __ z_lgr(Z_ARG1, Z_thread); ++ __ call(call_target_address); ++ ++ out_reg_spiller.generate_fill(_masm, spill_offset); ++ ++ __ z_bru(L_after_safepoint_poll); ++ __ block_comment("} L_safepoint_poll_slow_path"); ++ ++ ////////////////////////////////////////////////////////////////////////////// ++ __ block_comment("{ L_reguard"); ++ __ bind(L_reguard); ++ ++ // Need to save the native result registers around any runtime calls. ++ out_reg_spiller.generate_spill(_masm, spill_offset); ++ ++ __ load_const_optimized(call_target_address, CAST_FROM_FN_PTR(uint64_t, SharedRuntime::reguard_yellow_pages)); ++ __ call(call_target_address); ++ ++ out_reg_spiller.generate_fill(_masm, spill_offset); ++ ++ __ z_bru(L_after_reguard); ++ ++ __ block_comment("} L_reguard"); ++ } ++ ++ ////////////////////////////////////////////////////////////////////////////// ++ ++ __ flush(); + } +diff --git a/src/hotspot/cpu/s390/foreignGlobals_s390.cpp b/src/hotspot/cpu/s390/foreignGlobals_s390.cpp +index d3a318536bd..9796ab4ffe4 100644 +--- a/src/hotspot/cpu/s390/foreignGlobals_s390.cpp ++++ b/src/hotspot/cpu/s390/foreignGlobals_s390.cpp +@@ -23,34 +23,209 @@ + */ + + #include "precompiled.hpp" +-#include "code/vmreg.hpp" ++#include "asm/macroAssembler.inline.hpp" ++#include "code/vmreg.inline.hpp" ++#include "runtime/jniHandles.hpp" ++#include "runtime/jniHandles.inline.hpp" ++#include "oops/typeArrayOop.inline.hpp" ++#include "oops/oopCast.inline.hpp" + #include "prims/foreignGlobals.hpp" +-#include "utilities/debug.hpp" ++#include "prims/foreignGlobals.inline.hpp" ++#include "prims/vmstorage.hpp" ++#include "utilities/formatBuffer.hpp" + +-class MacroAssembler; ++#define __ masm-> ++ ++bool ABIDescriptor::is_volatile_reg(Register reg) const { ++ return _integer_volatile_registers.contains(reg); ++} ++ ++bool ABIDescriptor::is_volatile_reg(FloatRegister reg) const { ++ return _float_argument_registers.contains(reg) ++ || _float_additional_volatile_registers.contains(reg); ++} + + bool ForeignGlobals::is_foreign_linker_supported() { +- return false; ++ return true; + } + + const ABIDescriptor ForeignGlobals::parse_abi_descriptor(jobject jabi) { +- Unimplemented(); +- return {}; ++ oop abi_oop = JNIHandles::resolve_non_null(jabi); ++ ABIDescriptor abi; ++ ++ objArrayOop inputStorage = jdk_internal_foreign_abi_ABIDescriptor::inputStorage(abi_oop); ++ parse_register_array(inputStorage, StorageType::INTEGER, abi._integer_argument_registers, as_Register); ++ parse_register_array(inputStorage, StorageType::FLOAT, abi._float_argument_registers, as_FloatRegister); ++ ++ objArrayOop outputStorage = jdk_internal_foreign_abi_ABIDescriptor::outputStorage(abi_oop); ++ parse_register_array(outputStorage, StorageType::INTEGER, abi._integer_return_registers, as_Register); ++ parse_register_array(outputStorage, StorageType::FLOAT, abi._float_return_registers, as_FloatRegister); ++ ++ objArrayOop volatileStorage = jdk_internal_foreign_abi_ABIDescriptor::volatileStorage(abi_oop); ++ parse_register_array(volatileStorage, StorageType::INTEGER, abi._integer_volatile_registers, as_Register); ++ parse_register_array(volatileStorage, StorageType::FLOAT, abi._float_additional_volatile_registers, as_FloatRegister); ++ ++ abi._stack_alignment_bytes = jdk_internal_foreign_abi_ABIDescriptor::stackAlignment(abi_oop); ++ abi._shadow_space_bytes = jdk_internal_foreign_abi_ABIDescriptor::shadowSpace(abi_oop); ++ ++ abi._scratch1 = parse_vmstorage(jdk_internal_foreign_abi_ABIDescriptor::scratch1(abi_oop)); ++ abi._scratch2 = parse_vmstorage(jdk_internal_foreign_abi_ABIDescriptor::scratch2(abi_oop)); ++ ++ return abi; + } + + int RegSpiller::pd_reg_size(VMStorage reg) { +- Unimplemented(); +- return -1; ++ if (reg.type() == StorageType::INTEGER || reg.type() == StorageType::FLOAT) { ++ return 8; ++ } ++ return 0; // stack and BAD + } + + void RegSpiller::pd_store_reg(MacroAssembler* masm, int offset, VMStorage reg) { +- Unimplemented(); ++ if (reg.type() == StorageType::INTEGER) { ++ __ reg2mem_opt(as_Register(reg), Address(Z_SP, offset), true); ++ } else if (reg.type() == StorageType::FLOAT) { ++ __ freg2mem_opt(as_FloatRegister(reg), Address(Z_SP, offset), true); ++ } else { ++ // stack and BAD ++ } + } + + void RegSpiller::pd_load_reg(MacroAssembler* masm, int offset, VMStorage reg) { +- Unimplemented(); ++ if (reg.type() == StorageType::INTEGER) { ++ __ mem2reg_opt(as_Register(reg), Address(Z_SP, offset), true); ++ } else if (reg.type() == StorageType::FLOAT) { ++ __ mem2freg_opt(as_FloatRegister(reg), Address(Z_SP, offset), true); ++ } else { ++ // stack and BAD ++ } ++} ++ ++static int reg2offset(VMStorage vms, int stk_bias) { ++ assert(!vms.is_reg(), "wrong usage"); ++ return vms.index_or_offset() + stk_bias; ++} ++ ++static void move_reg(MacroAssembler* masm, int out_stk_bias, ++ VMStorage from_reg, VMStorage to_reg) { ++ int out_bias = 0; ++ switch (to_reg.type()) { ++ case StorageType::INTEGER: ++ if (to_reg.segment_mask() == REG64_MASK && from_reg.segment_mask() == REG32_MASK ) { ++ // see CCallingConventionRequiresIntsAsLongs ++ __ z_lgfr(as_Register(to_reg), as_Register(from_reg)); ++ } else { ++ __ lgr_if_needed(as_Register(to_reg), as_Register(from_reg)); ++ } ++ break; ++ case StorageType::STACK: ++ out_bias = out_stk_bias; //fallthrough ++ case StorageType::FRAME_DATA: { ++ // Integer types always get a 64 bit slot in C. ++ if (from_reg.segment_mask() == REG32_MASK) { ++ // see CCallingConventionRequiresIntsAsLongs ++ __ z_lgfr(as_Register(from_reg), as_Register(from_reg)); ++ } ++ switch (to_reg.stack_size()) { ++ case 8: __ reg2mem_opt(as_Register(from_reg), Address(Z_SP, reg2offset(to_reg, out_bias)), true); break; ++ case 4: __ reg2mem_opt(as_Register(from_reg), Address(Z_SP, reg2offset(to_reg, out_bias)), false); break; ++ default: ShouldNotReachHere(); ++ } ++ } break; ++ default: ShouldNotReachHere(); ++ } ++} ++ ++static void move_float(MacroAssembler* masm, int out_stk_bias, ++ VMStorage from_reg, VMStorage to_reg) { ++ switch (to_reg.type()) { ++ case StorageType::FLOAT: ++ if (from_reg.segment_mask() == REG64_MASK) ++ __ move_freg_if_needed(as_FloatRegister(to_reg), T_DOUBLE, as_FloatRegister(from_reg), T_DOUBLE); ++ else ++ __ move_freg_if_needed(as_FloatRegister(to_reg), T_FLOAT, as_FloatRegister(from_reg), T_FLOAT); ++ break; ++ case StorageType::STACK: ++ if (from_reg.segment_mask() == REG64_MASK) { ++ assert(to_reg.stack_size() == 8, "size should match"); ++ __ freg2mem_opt(as_FloatRegister(from_reg), Address(Z_SP, reg2offset(to_reg, out_stk_bias)), true); ++ } else { ++ assert(to_reg.stack_size() == 4, "size should match"); ++ __ freg2mem_opt(as_FloatRegister(from_reg), Address(Z_SP, reg2offset(to_reg, out_stk_bias)), false); ++ } ++ break; ++ default: ShouldNotReachHere(); ++ } ++} ++ ++static void move_stack(MacroAssembler* masm, Register tmp_reg, int in_stk_bias, int out_stk_bias, ++ VMStorage from_reg, VMStorage to_reg) { ++ int out_bias = 0; ++ Address from_addr(Z_R11, reg2offset(from_reg, in_stk_bias)); ++ switch (to_reg.type()) { ++ case StorageType::INTEGER: ++ switch (from_reg.stack_size()) { ++ case 8: __ mem2reg_opt(as_Register(to_reg), from_addr, true);break; ++ case 4: __ mem2reg_opt(as_Register(to_reg), from_addr, false);break; ++ default: ShouldNotReachHere(); ++ } ++ break; ++ case StorageType::FLOAT: ++ switch (from_reg.stack_size()) { ++ case 8: __ mem2freg_opt(as_FloatRegister(to_reg), from_addr, true);break; ++ case 4: __ mem2freg_opt(as_FloatRegister(to_reg), from_addr, false);break; ++ default: ShouldNotReachHere(); ++ } ++ break; ++ case StorageType::STACK: ++ out_bias = out_stk_bias; // fallthrough ++ case StorageType::FRAME_DATA: { ++ switch (from_reg.stack_size()) { ++ case 8: __ mem2reg_opt(tmp_reg, from_addr, true); break; ++ case 4: if (to_reg.stack_size() == 8) { ++ __ mem2reg_signed_opt(tmp_reg, from_addr); ++ } else { ++ __ mem2reg_opt(tmp_reg, from_addr, false); ++ } ++ break; ++ default: ShouldNotReachHere(); ++ } ++ switch (to_reg.stack_size()) { ++ case 8: __ reg2mem_opt(tmp_reg, Address (Z_SP, reg2offset(to_reg, out_bias)), true); break; ++ case 4: __ reg2mem_opt(tmp_reg, Address (Z_SP, reg2offset(to_reg, out_bias)), false); break; ++ default: ShouldNotReachHere(); ++ } ++ } break; ++ default: ShouldNotReachHere(); ++ } + } + + void ArgumentShuffle::pd_generate(MacroAssembler* masm, VMStorage tmp, int in_stk_bias, int out_stk_bias, const StubLocations& locs) const { +- Unimplemented(); ++ Register tmp_reg = as_Register(tmp); ++ for (int i = 0; i < _moves.length(); i++) { ++ Move move = _moves.at(i); ++ VMStorage from_reg = move.from; ++ VMStorage to_reg = move.to; ++ ++ // replace any placeholders ++ if (from_reg.type() == StorageType::PLACEHOLDER) { ++ from_reg = locs.get(from_reg); ++ } ++ if (to_reg.type() == StorageType::PLACEHOLDER) { ++ to_reg = locs.get(to_reg); ++ } ++ ++ switch (from_reg.type()) { ++ case StorageType::INTEGER: ++ move_reg(masm, out_stk_bias, from_reg, to_reg); ++ break; ++ case StorageType::FLOAT: ++ move_float(masm, out_stk_bias, from_reg, to_reg); ++ break; ++ case StorageType::STACK: ++ move_stack(masm, tmp_reg, in_stk_bias, out_stk_bias, from_reg, to_reg); ++ break; ++ default: ShouldNotReachHere(); ++ } ++ } + } +diff --git a/src/hotspot/cpu/s390/foreignGlobals_s390.hpp b/src/hotspot/cpu/s390/foreignGlobals_s390.hpp +index 8b86a2b06a6..4ff3b3e40b4 100644 +--- a/src/hotspot/cpu/s390/foreignGlobals_s390.hpp ++++ b/src/hotspot/cpu/s390/foreignGlobals_s390.hpp +@@ -24,6 +24,23 @@ + #ifndef CPU_S390_VM_FOREIGN_GLOBALS_S390_HPP + #define CPU_S390_VM_FOREIGN_GLOBALS_S390_HPP + +-class ABIDescriptor {}; ++struct ABIDescriptor { ++ GrowableArray _integer_argument_registers; ++ GrowableArray _integer_return_registers; ++ GrowableArray _float_argument_registers; ++ GrowableArray _float_return_registers; ++ ++ GrowableArray _integer_volatile_registers; ++ GrowableArray _float_additional_volatile_registers; ++ ++ int32_t _stack_alignment_bytes; ++ int32_t _shadow_space_bytes; ++ ++ VMStorage _scratch1; ++ VMStorage _scratch2; ++ ++ bool is_volatile_reg(Register reg) const; ++ bool is_volatile_reg(FloatRegister reg) const; ++}; + + #endif // CPU_S390_VM_FOREIGN_GLOBALS_S390_HPP +diff --git a/src/hotspot/cpu/s390/frame_s390.cpp b/src/hotspot/cpu/s390/frame_s390.cpp +index 23547fa6617..ac24e43f00c 100644 +--- a/src/hotspot/cpu/s390/frame_s390.cpp ++++ b/src/hotspot/cpu/s390/frame_s390.cpp +@@ -218,13 +218,32 @@ frame frame::sender_for_entry_frame(RegisterMap *map) const { + } + + UpcallStub::FrameData* UpcallStub::frame_data_for_frame(const frame& frame) const { +- ShouldNotCallThis(); +- return nullptr; ++ assert(frame.is_upcall_stub_frame(), "wrong frame"); ++ // need unextended_sp here, since normal sp is wrong for interpreter callees ++ return reinterpret_cast( ++ reinterpret_cast
(frame.unextended_sp()) + in_bytes(_frame_data_offset)); + } + + bool frame::upcall_stub_frame_is_first() const { +- ShouldNotCallThis(); +- return false; ++ assert(is_upcall_stub_frame(), "must be optimized entry frame"); ++ UpcallStub* blob = _cb->as_upcall_stub(); ++ JavaFrameAnchor* jfa = blob->jfa_for_frame(*this); ++ return jfa->last_Java_sp() == nullptr; ++} ++ ++frame frame::sender_for_upcall_stub_frame(RegisterMap* map) const { ++ assert(map != nullptr, "map must be set"); ++ UpcallStub* blob = _cb->as_upcall_stub(); ++ // Java frame called from C; skip all C frames and return top C ++ // frame of that chunk as the sender ++ JavaFrameAnchor* jfa = blob->jfa_for_frame(*this); ++ assert(!upcall_stub_frame_is_first(), "must have a frame anchor to go back to"); ++ assert(jfa->last_Java_sp() > sp(), "must be above this frame on stack"); ++ map->clear(); ++ assert(map->include_argument_oops(), "should be set by clear"); ++ frame fr(jfa->last_Java_sp(), jfa->last_Java_pc()); ++ ++ return fr; + } + + frame frame::sender_for_interpreter_frame(RegisterMap *map) const { +diff --git a/src/hotspot/cpu/s390/frame_s390.inline.hpp b/src/hotspot/cpu/s390/frame_s390.inline.hpp +index dfa68940bac..c188618653d 100644 +--- a/src/hotspot/cpu/s390/frame_s390.inline.hpp ++++ b/src/hotspot/cpu/s390/frame_s390.inline.hpp +@@ -352,12 +352,10 @@ inline frame frame::sender(RegisterMap* map) const { + // update it accordingly. + map->set_include_argument_oops(false); + +- if (is_entry_frame()) { +- return sender_for_entry_frame(map); +- } +- if (is_interpreted_frame()) { +- return sender_for_interpreter_frame(map); +- } ++ if (is_entry_frame()) return sender_for_entry_frame(map); ++ if (is_upcall_stub_frame()) return sender_for_upcall_stub_frame(map); ++ if (is_interpreted_frame()) return sender_for_interpreter_frame(map); ++ + assert(_cb == CodeCache::find_blob(pc()),"Must be the same"); + if (_cb != nullptr) return sender_for_compiled_frame(map); + +diff --git a/src/hotspot/cpu/s390/globalDefinitions_s390.hpp b/src/hotspot/cpu/s390/globalDefinitions_s390.hpp +index 99906bb369e..2232215a587 100644 +--- a/src/hotspot/cpu/s390/globalDefinitions_s390.hpp ++++ b/src/hotspot/cpu/s390/globalDefinitions_s390.hpp +@@ -28,7 +28,7 @@ + + #define ShortenBranches true + +-const int StackAlignmentInBytes = 16; ++const int StackAlignmentInBytes = 8; + + #define SUPPORTS_NATIVE_CX8 + +diff --git a/src/hotspot/cpu/s390/methodHandles_s390.cpp b/src/hotspot/cpu/s390/methodHandles_s390.cpp +index 6392ba45a6c..ef8722f2499 100644 +--- a/src/hotspot/cpu/s390/methodHandles_s390.cpp ++++ b/src/hotspot/cpu/s390/methodHandles_s390.cpp +@@ -349,7 +349,16 @@ address MethodHandles::generate_method_handle_interpreter_entry(MacroAssembler* + + void MethodHandles::jump_to_native_invoker(MacroAssembler* _masm, Register nep_reg, Register temp_target) { + BLOCK_COMMENT("jump_to_native_invoker {"); +- __ should_not_reach_here(); ++ assert(nep_reg != noreg, "required register"); ++ ++ // Load the invoker, as NEP -> .invoker ++ __ verify_oop(nep_reg); ++ ++ __ z_lg(temp_target, Address(nep_reg, ++ NONZERO(jdk_internal_foreign_abi_NativeEntryPoint::downcall_stub_address_offset_in_bytes()))); ++ ++ __ z_br(temp_target); ++ + BLOCK_COMMENT("} jump_to_native_invoker"); + } + +diff --git a/src/hotspot/cpu/s390/upcallLinker_s390.cpp b/src/hotspot/cpu/s390/upcallLinker_s390.cpp +index 3e1fb04218b..b748ec547cc 100644 +--- a/src/hotspot/cpu/s390/upcallLinker_s390.cpp ++++ b/src/hotspot/cpu/s390/upcallLinker_s390.cpp +@@ -22,15 +22,287 @@ + */ + + #include "precompiled.hpp" ++#include "asm/macroAssembler.inline.hpp" ++#include "logging/logStream.hpp" ++#include "memory/resourceArea.hpp" + #include "prims/upcallLinker.hpp" +-#include "utilities/debug.hpp" ++#include "runtime/sharedRuntime.hpp" ++#include "runtime/signature.hpp" ++#include "runtime/stubRoutines.hpp" ++#include "utilities/formatBuffer.hpp" ++#include "utilities/globalDefinitions.hpp" + ++#define __ _masm-> ++ ++// for callee saved regs, according to the caller's ABI ++static int compute_reg_save_area_size(const ABIDescriptor& abi) { ++ int size = 0; ++ for (int i = 0; i < Register::number_of_registers; i++) { ++ Register reg = as_Register(i); ++ // Z_SP saved/restored by prologue/epilogue ++ if (reg == Z_SP) continue; ++ if (!abi.is_volatile_reg(reg)) { ++ size += 8; // bytes ++ } ++ } ++ ++ for (int i = 0; i < FloatRegister::number_of_registers; i++) { ++ FloatRegister reg = as_FloatRegister(i); ++ if (!abi.is_volatile_reg(reg)) { ++ size += 8; // bytes ++ } ++ } ++ ++ return size; ++} ++ ++static void preserve_callee_saved_registers(MacroAssembler* _masm, const ABIDescriptor& abi, int reg_save_area_offset) { ++ // 1. iterate all registers in the architecture ++ // - check if they are volatile or not for the given abi ++ // - if NOT, we need to save it here ++ ++ int offset = reg_save_area_offset; ++ ++ __ block_comment("{ preserve_callee_saved_regs "); ++ for (int i = 0; i < Register::number_of_registers; i++) { ++ Register reg = as_Register(i); ++ // Z_SP saved/restored by prologue/epilogue ++ if (reg == Z_SP) continue; ++ if (!abi.is_volatile_reg(reg)) { ++ __ z_stg(reg, Address(Z_SP, offset)); ++ offset += 8; ++ } ++ } ++ ++ for (int i = 0; i < FloatRegister::number_of_registers; i++) { ++ FloatRegister reg = as_FloatRegister(i); ++ if (!abi.is_volatile_reg(reg)) { ++ __ z_std(reg, Address(Z_SP, offset)); ++ offset += 8; ++ } ++ } ++ ++ __ block_comment("} preserve_callee_saved_regs "); ++} ++ ++static void restore_callee_saved_registers(MacroAssembler* _masm, const ABIDescriptor& abi, int reg_save_area_offset) { ++ // 1. iterate all registers in the architecture ++ // - check if they are volatile or not for the given abi ++ // - if NOT, we need to restore it here ++ ++ int offset = reg_save_area_offset; ++ ++ __ block_comment("{ restore_callee_saved_regs "); ++ for (int i = 0; i < Register::number_of_registers; i++) { ++ Register reg = as_Register(i); ++ // Z_SP saved/restored by prologue/epilogue ++ if (reg == Z_SP) continue; ++ if (!abi.is_volatile_reg(reg)) { ++ __ z_lg(reg, Address(Z_SP, offset)); ++ offset += 8; ++ } ++ } ++ ++ for (int i = 0; i < FloatRegister::number_of_registers; i++) { ++ FloatRegister reg = as_FloatRegister(i); ++ if (!abi.is_volatile_reg(reg)) { ++ __ z_ld(reg, Address(Z_SP, offset)); ++ offset += 8; ++ } ++ } ++ ++ __ block_comment("} restore_callee_saved_regs "); ++} ++ ++static const int upcall_stub_code_base_size = 1024; // depends on GC (resolve_jobject) ++static const int upcall_stub_size_per_arg = 16; // arg save & restore + move + address UpcallLinker::make_upcall_stub(jobject receiver, Method* entry, + BasicType* in_sig_bt, int total_in_args, + BasicType* out_sig_bt, int total_out_args, + BasicType ret_type, + jobject jabi, jobject jconv, + bool needs_return_buffer, int ret_buf_size) { +- ShouldNotCallThis(); +- return nullptr; ++ ResourceMark rm; ++ const ABIDescriptor abi = ForeignGlobals::parse_abi_descriptor(jabi); ++ const CallRegs call_regs = ForeignGlobals::parse_call_regs(jconv); ++ int code_size = upcall_stub_code_base_size + (total_in_args * upcall_stub_size_per_arg); ++ CodeBuffer buffer("upcall_stub", code_size, /* locs_size = */ 0); ++ ++ Register call_target_address = Z_R1_scratch; ++ ++ VMStorage shuffle_reg = abi._scratch1; ++ JavaCallingConvention out_conv; ++ NativeCallingConvention in_conv(call_regs._arg_regs); ++ ArgumentShuffle arg_shuffle(in_sig_bt, total_in_args, out_sig_bt, total_out_args, &in_conv, &out_conv, shuffle_reg); ++ ++ // The Java call uses the JIT ABI, but we also call C. ++ int out_arg_area = MAX2(frame::z_jit_out_preserve_size + arg_shuffle.out_arg_bytes(), (int)frame::z_abi_160_size); ++ ++#ifndef PRODUCT ++ LogTarget(Trace, foreign, upcall) lt; ++ if (lt.is_enabled()) { ++ ResourceMark rm; ++ LogStream ls(lt); ++ arg_shuffle.print_on(&ls); ++ } ++#endif ++ ++ ++ int reg_save_area_size = compute_reg_save_area_size(abi); ++ RegSpiller arg_spiller(call_regs._arg_regs); ++ RegSpiller result_spiller(call_regs._ret_regs); ++ ++ int res_save_area_offset = out_arg_area; ++ int arg_save_area_offset = res_save_area_offset + result_spiller.spill_size_bytes(); ++ int reg_save_area_offset = arg_save_area_offset + arg_spiller.spill_size_bytes(); ++ int frame_data_offset = reg_save_area_offset + reg_save_area_size; ++ int frame_bottom_offset = frame_data_offset + sizeof(UpcallStub::FrameData); ++ ++ int frame_size = align_up(frame_bottom_offset, StackAlignmentInBytes); ++ StubLocations locs; ++ ++ // The space we have allocated will look like: ++ // ++ // ++ // FP-> | | ++ // |---------------------| = frame_bottom_offset = frame_size ++ // | | ++ // | FrameData | ++ // |---------------------| = frame_data_offset ++ // | | ++ // | reg_save_area | ++ // |---------------------| = reg_save_are_offset ++ // | | ++ // | arg_save_area | ++ // |---------------------| = arg_save_are_offset ++ // | | ++ // | res_save_area | ++ // |---------------------| = res_save_are_offset ++ // | | ++ // SP-> | out_arg_area | needs to be at end for shadow space ++ // ++ // ++ ++ ////////////////////////////////////////////////////////////////////////////// ++ ++ MacroAssembler* _masm = new MacroAssembler(&buffer); ++ address start = __ pc(); ++ ++ __ save_return_pc(); ++ assert((abi._stack_alignment_bytes % StackAlignmentInBytes) == 0, "must be 8 byte aligned"); ++ // allocate frame (frame_size is also aligned, so stack is still aligned) ++ __ push_frame(frame_size); ++ ++ // we have to always spill args since we need to do a call to get the thread ++ // (and maybe attach it). ++ arg_spiller.generate_spill(_masm, arg_save_area_offset); ++ // Java methods won't preserve them, so save them here: ++ preserve_callee_saved_registers(_masm, abi, reg_save_area_offset); ++ ++ __ block_comment("{ on_entry"); ++ __ load_const_optimized(call_target_address, CAST_FROM_FN_PTR(uint64_t, UpcallLinker::on_entry)); ++ __ z_aghik(Z_ARG1, Z_SP, frame_data_offset); ++ __ call(call_target_address); ++ __ z_lgr(Z_thread, Z_RET); ++ __ block_comment("} on_entry"); ++ ++ arg_spiller.generate_fill(_masm, arg_save_area_offset); ++ __ block_comment("{ argument shuffle"); ++ arg_shuffle.generate(_masm, shuffle_reg, abi._shadow_space_bytes, frame::z_jit_out_preserve_size, locs); ++ __ block_comment("} argument shuffle"); ++ ++ __ block_comment("{ receiver "); ++ __ load_const_optimized(Z_ARG1, (intptr_t)receiver); ++ __ resolve_jobject(Z_ARG1, Z_tmp_1, Z_tmp_2); ++ __ block_comment("} receiver "); ++ ++ __ load_const_optimized(Z_method, (intptr_t)entry); ++ __ z_stg(Z_method, Address(Z_thread, in_bytes(JavaThread::callee_target_offset()))); ++ ++ __ z_lg(call_target_address, Address(Z_method, in_bytes(Method::from_compiled_offset()))); ++ __ call(call_target_address); ++ ++ // return value shuffle ++ assert(!needs_return_buffer, "unexpected needs_return_buffer"); ++ // CallArranger can pick a return type that goes in the same reg for both CCs. ++ if (call_regs._ret_regs.length() > 0) { // 0 or 1 ++ VMStorage ret_reg = call_regs._ret_regs.at(0); ++ // Check if the return reg is as expected. ++ switch (ret_type) { ++ case T_BOOLEAN: ++ case T_BYTE: ++ case T_SHORT: ++ case T_CHAR: ++ case T_INT: ++ __ z_lgfr(Z_RET, Z_RET); // Clear garbage in high half. ++ // fallthrough ++ case T_LONG: ++ assert(as_Register(ret_reg) == Z_RET, "unexpected result register"); ++ break; ++ case T_FLOAT: ++ case T_DOUBLE: ++ assert(as_FloatRegister(ret_reg) == Z_FRET, "unexpected result register"); ++ break; ++ default: ++ fatal("unexpected return type: %s", type2name(ret_type)); ++ } ++ } ++ ++ result_spiller.generate_spill(_masm, res_save_area_offset); ++ ++ __ block_comment("{ on_exit"); ++ __ load_const_optimized(call_target_address, CAST_FROM_FN_PTR(uint64_t, UpcallLinker::on_exit)); ++ __ z_aghik(Z_ARG1, Z_SP, frame_data_offset); ++ __ call(call_target_address); ++ __ block_comment("} on_exit"); ++ ++ restore_callee_saved_registers(_masm, abi, reg_save_area_offset); ++ ++ result_spiller.generate_fill(_masm, res_save_area_offset); ++ ++ __ pop_frame(); ++ __ restore_return_pc(); ++ __ z_br(Z_R14); ++ ++ ////////////////////////////////////////////////////////////////////////////// ++ ++ __ block_comment("{ exception handler"); ++ ++ intptr_t exception_handler_offset = __ pc() - start; ++ ++ // Native caller has no idea how to handle exceptions, ++ // so we just crash here. Up to callee to catch exceptions. ++ __ verify_oop(Z_ARG1); ++ __ load_const_optimized(call_target_address, CAST_FROM_FN_PTR(uint64_t, UpcallLinker::handle_uncaught_exception)); ++ __ call_c(call_target_address); ++ __ should_not_reach_here(); ++ ++ __ block_comment("} exception handler"); ++ ++ _masm->flush(); ++ ++#ifndef PRODUCT ++ stringStream ss; ++ ss.print("upcall_stub_%s", entry->signature()->as_C_string()); ++ const char* name = _masm->code_string(ss.as_string()); ++#else // PRODUCT ++ const char* name = "upcall_stub"; ++#endif // PRODUCT ++ ++ buffer.log_section_sizes(name); ++ UpcallStub* blob ++ = UpcallStub::create(name, ++ &buffer, ++ exception_handler_offset, ++ receiver, ++ in_ByteSize(frame_data_offset)); ++#ifndef PRODUCT ++ if (lt.is_enabled()) { ++ ResourceMark rm; ++ LogStream ls(lt); ++ blob->print_on(&ls); ++ } ++#endif ++ ++ return blob->code_begin(); + } +diff --git a/src/hotspot/cpu/s390/vmstorage_s390.hpp b/src/hotspot/cpu/s390/vmstorage_s390.hpp +index 192159adc4c..6a595670920 100644 +--- a/src/hotspot/cpu/s390/vmstorage_s390.hpp ++++ b/src/hotspot/cpu/s390/vmstorage_s390.hpp +@@ -29,24 +29,79 @@ + #include "asm/register.hpp" + + enum class StorageType : int8_t { +- STACK = 0, +- PLACEHOLDER = 1, +-// special locations used only by native code +- FRAME_DATA = PLACEHOLDER + 1, ++ INTEGER = 0, ++ FLOAT = 1, ++ STACK = 2, ++ PLACEHOLDER = 3, ++ // special locations used only by native code ++ FRAME_DATA = 4, + INVALID = -1 + }; + + // need to define this before constructing VMStorage (below) + constexpr inline bool VMStorage::is_reg(StorageType type) { +- return false; ++ return type == StorageType::INTEGER || type == StorageType::FLOAT; + } + constexpr inline StorageType VMStorage::stack_type() { return StorageType::STACK; } + constexpr inline StorageType VMStorage::placeholder_type() { return StorageType::PLACEHOLDER; } + constexpr inline StorageType VMStorage::frame_data_type() { return StorageType::FRAME_DATA; } + ++// Needs to be consistent with S390Architecture.java. ++constexpr uint16_t REG32_MASK = 0b0000000000000001; ++constexpr uint16_t REG64_MASK = 0b0000000000000011; ++ ++inline Register as_Register(VMStorage vms) { ++ assert(vms.type() == StorageType::INTEGER, "not the right type"); ++ return ::as_Register(vms.index()); ++} ++ ++inline FloatRegister as_FloatRegister(VMStorage vms) { ++ assert(vms.type() == StorageType::FLOAT, "not the right type"); ++ return ::as_FloatRegister(vms.index()); ++} ++ ++inline VMStorage as_VMStorage(Register reg, uint16_t segment_mask = REG64_MASK) { ++ return VMStorage::reg_storage(StorageType::INTEGER, segment_mask, reg->encoding()); ++} ++ ++inline VMStorage as_VMStorage(FloatRegister reg, uint16_t segment_mask = REG64_MASK) { ++ return VMStorage::reg_storage(StorageType::FLOAT, segment_mask, reg->encoding()); ++} ++ + inline VMStorage as_VMStorage(VMReg reg, BasicType bt) { ++ if (reg->is_Register()) { ++ uint16_t segment_mask = 0; ++ switch (bt) { ++ case T_BOOLEAN: ++ case T_CHAR : ++ case T_BYTE : ++ case T_SHORT : ++ case T_INT : segment_mask = REG32_MASK; break; ++ default : segment_mask = REG64_MASK; break; ++ } ++ return as_VMStorage(reg->as_Register(), segment_mask); ++ } else if (reg->is_FloatRegister()) { ++ // FP regs always use double format. However, we need the correct format for loads /stores. ++ return as_VMStorage(reg->as_FloatRegister(), (bt == T_FLOAT) ? REG32_MASK : REG64_MASK); ++ } else if (reg->is_stack()) { ++ uint16_t size = 0; ++ switch (bt) { ++ case T_BOOLEAN: ++ case T_CHAR : ++ case T_BYTE : ++ case T_SHORT : ++ case T_INT : ++ case T_FLOAT : size = 4; break; ++ default : size = 8; break; ++ } ++ return VMStorage(StorageType::STACK, size, ++ checked_cast(reg->reg2stack() * VMRegImpl::stack_slot_size)); ++ } else if (!reg->is_valid()) { ++ return VMStorage::invalid(); ++ } ++ + ShouldNotReachHere(); + return VMStorage::invalid(); + } + +-#endif // CPU_S390_VMSTORAGE_S390_INLINE_HPP +\ No newline at end of file ++#endif // CPU_S390_VMSTORAGE_S390_INLINE_HPP +diff --git a/src/java.base/share/classes/jdk/internal/foreign/CABI.java b/src/java.base/share/classes/jdk/internal/foreign/CABI.java +index eee4ae67457..d376a196333 100644 +--- a/src/java.base/share/classes/jdk/internal/foreign/CABI.java ++++ b/src/java.base/share/classes/jdk/internal/foreign/CABI.java +@@ -41,6 +41,7 @@ public enum CABI { + WIN_AARCH_64, + LINUX_PPC_64_LE, + LINUX_RISCV_64, ++ LINUX_S390, + FALLBACK, + UNSUPPORTED; + +@@ -81,7 +82,11 @@ public enum CABI { + if (OperatingSystem.isLinux()) { + return LINUX_RISCV_64; + } +- } ++ } else if (arch.equals("s390x")) { ++ if (OperatingSystem.isLinux()) { ++ return LINUX_S390; ++ } ++ } + } else if (FallbackLinker.isSupported()) { + return FALLBACK; // fallback linker + } +diff --git a/src/java.base/share/classes/jdk/internal/foreign/abi/AbstractLinker.java b/src/java.base/share/classes/jdk/internal/foreign/abi/AbstractLinker.java +index b5eb1029ff5..8a322cdcf7a 100644 +--- a/src/java.base/share/classes/jdk/internal/foreign/abi/AbstractLinker.java ++++ b/src/java.base/share/classes/jdk/internal/foreign/abi/AbstractLinker.java +@@ -32,6 +32,7 @@ import jdk.internal.foreign.abi.aarch64.windows.WindowsAArch64Linker; + import jdk.internal.foreign.abi.fallback.FallbackLinker; + import jdk.internal.foreign.abi.ppc64.linux.LinuxPPC64leLinker; + import jdk.internal.foreign.abi.riscv64.linux.LinuxRISCV64Linker; ++import jdk.internal.foreign.abi.s390.linux.LinuxS390Linker; + import jdk.internal.foreign.abi.x64.sysv.SysVx64Linker; + import jdk.internal.foreign.abi.x64.windows.Windowsx64Linker; + import jdk.internal.foreign.layout.AbstractLayout; +@@ -60,7 +61,8 @@ import java.util.Set; + public abstract sealed class AbstractLinker implements Linker permits LinuxAArch64Linker, MacOsAArch64Linker, + SysVx64Linker, WindowsAArch64Linker, + Windowsx64Linker, LinuxPPC64leLinker, +- LinuxRISCV64Linker, FallbackLinker { ++ LinuxRISCV64Linker, LinuxS390Linker, ++ FallbackLinker { + + public interface UpcallStubFactory { + MemorySegment makeStub(MethodHandle target, Arena arena); +diff --git a/src/java.base/share/classes/jdk/internal/foreign/abi/SharedUtils.java b/src/java.base/share/classes/jdk/internal/foreign/abi/SharedUtils.java +index 1e417245543..92d10a1dbdf 100644 +--- a/src/java.base/share/classes/jdk/internal/foreign/abi/SharedUtils.java ++++ b/src/java.base/share/classes/jdk/internal/foreign/abi/SharedUtils.java +@@ -35,6 +35,7 @@ import jdk.internal.foreign.abi.aarch64.windows.WindowsAArch64Linker; + import jdk.internal.foreign.abi.fallback.FallbackLinker; + import jdk.internal.foreign.abi.ppc64.linux.LinuxPPC64leLinker; + import jdk.internal.foreign.abi.riscv64.linux.LinuxRISCV64Linker; ++import jdk.internal.foreign.abi.s390.linux.LinuxS390Linker; + import jdk.internal.foreign.abi.x64.sysv.SysVx64Linker; + import jdk.internal.foreign.abi.x64.windows.Windowsx64Linker; + import jdk.internal.vm.annotation.ForceInline; +@@ -242,6 +243,7 @@ public final class SharedUtils { + case WIN_AARCH_64 -> WindowsAArch64Linker.getInstance(); + case LINUX_PPC_64_LE -> LinuxPPC64leLinker.getInstance(); + case LINUX_RISCV_64 -> LinuxRISCV64Linker.getInstance(); ++ case LINUX_S390 -> LinuxS390Linker.getInstance(); + case FALLBACK -> FallbackLinker.getInstance(); + case UNSUPPORTED -> throw new UnsupportedOperationException("Platform does not support native linker"); + }; +diff --git a/src/java.base/share/classes/jdk/internal/foreign/abi/s390/S390Architecture.java b/src/java.base/share/classes/jdk/internal/foreign/abi/s390/S390Architecture.java +new file mode 100644 +index 00000000000..bbafef2f3dc +--- /dev/null ++++ b/src/java.base/share/classes/jdk/internal/foreign/abi/s390/S390Architecture.java +@@ -0,0 +1,151 @@ ++/* ++ * Copyright (c) 2020, 2023, Oracle and/or its affiliates. All rights reserved. ++ * Copyright (c) 2023 IBM Corp. All rights reserved. ++ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. ++ * ++ * This code is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License version 2 only, as ++ * published by the Free Software Foundation. Oracle designates this ++ * particular file as subject to the "Classpath" exception as provided ++ * by Oracle in the LICENSE file that accompanied this code. ++ * ++ * This code is distributed in the hope that it will be useful, but WITHOUT ++ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ++ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ++ * version 2 for more details (a copy is included in the LICENSE file that ++ * accompanied this code). ++ * ++ * You should have received a copy of the GNU General Public License version ++ * 2 along with this work; if not, write to the Free Software Foundation, ++ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. ++ * ++ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA ++ * or visit www.oracle.com if you need additional information or have any ++ * questions. ++ */ ++package jdk.internal.foreign.abi.s390; ++ ++import jdk.internal.foreign.abi.ABIDescriptor; ++import jdk.internal.foreign.abi.Architecture; ++import jdk.internal.foreign.abi.StubLocations; ++import jdk.internal.foreign.abi.VMStorage; ++ ++public final class S390Architecture implements Architecture { ++ public static final Architecture INSTANCE = new S390Architecture(); ++ ++ // Needs to be consistent with vmstorage_s390.hpp. ++ public static final short REG32_MASK = 0b0000_0000_0000_0001; ++ public static final short REG64_MASK = 0b0000_0000_0000_0011; ++ ++ private static final int INTEGER_REG_SIZE = 8; ++ private static final int FLOAT_REG_SIZE = 8; ++ private static final int STACK_SLOT_SIZE = 8; ++ ++ // Suppresses default constructor, ensuring non-instantiability. ++ private S390Architecture() { ++ } ++ ++ @Override ++ public boolean isStackType(int cls) { ++ return cls == StorageType.STACK; ++ } ++ ++ @Override ++ public int typeSize(int cls) { ++ switch (cls) { ++ case StorageType.INTEGER: ++ return INTEGER_REG_SIZE; ++ case StorageType.FLOAT: ++ return FLOAT_REG_SIZE; ++ // STACK is deliberately omitted ++ } ++ ++ throw new IllegalArgumentException("Invalid Storage Class: " + cls); ++ } ++ ++ public interface StorageType { ++ byte INTEGER = 0; ++ byte FLOAT = 1; ++ byte STACK = 2; ++ byte PLACEHOLDER = 3; ++ } ++ ++ public static class Regs { // break circular dependency ++ public static final VMStorage r0 = integerRegister(0); ++ public static final VMStorage r1 = integerRegister(1); ++ public static final VMStorage r2 = integerRegister(2); ++ public static final VMStorage r3 = integerRegister(3); ++ public static final VMStorage r4 = integerRegister(4); ++ public static final VMStorage r5 = integerRegister(5); ++ public static final VMStorage r6 = integerRegister(6); ++ public static final VMStorage r7 = integerRegister(7); ++ public static final VMStorage r8 = integerRegister(8); ++ public static final VMStorage r9 = integerRegister(9); ++ public static final VMStorage r10 = integerRegister(10); ++ public static final VMStorage r11 = integerRegister(11); ++ public static final VMStorage r12 = integerRegister(12); ++ public static final VMStorage r13 = integerRegister(13); ++ public static final VMStorage r14 = integerRegister(14); ++ public static final VMStorage r15 = integerRegister(15); ++ ++ public static final VMStorage f0 = floatRegister(0); ++ public static final VMStorage f1 = floatRegister(1); ++ public static final VMStorage f2 = floatRegister(2); ++ public static final VMStorage f3 = floatRegister(3); ++ public static final VMStorage f4 = floatRegister(4); ++ public static final VMStorage f5 = floatRegister(5); ++ public static final VMStorage f6 = floatRegister(6); ++ public static final VMStorage f7 = floatRegister(7); ++ public static final VMStorage f8 = floatRegister(8); ++ public static final VMStorage f9 = floatRegister(9); ++ public static final VMStorage f10 = floatRegister(10); ++ public static final VMStorage f11 = floatRegister(11); ++ public static final VMStorage f12 = floatRegister(12); ++ public static final VMStorage f13 = floatRegister(13); ++ public static final VMStorage f14 = floatRegister(14); ++ public static final VMStorage f15 = floatRegister(15); ++ } ++ ++ private static VMStorage integerRegister(int index) { ++ return new VMStorage(StorageType.INTEGER, REG64_MASK, index, "r" + index); ++ } ++ ++ private static VMStorage floatRegister(int index) { ++ return new VMStorage(StorageType.FLOAT, REG64_MASK, index, "f" + index); ++ } ++ ++ public static VMStorage stackStorage(short size, int byteOffset) { ++ return new VMStorage(StorageType.STACK, size, byteOffset); ++ } ++ ++ public static ABIDescriptor abiFor(VMStorage[] inputIntRegs, ++ VMStorage[] inputFloatRegs, ++ VMStorage[] outputIntRegs, ++ VMStorage[] outputFloatRegs, ++ VMStorage[] volatileIntRegs, ++ VMStorage[] volatileFloatRegs, ++ int stackAlignment, ++ int shadowSpace, ++ VMStorage scratch1, VMStorage scratch2) { ++ return new ABIDescriptor( ++ INSTANCE, ++ new VMStorage[][] { ++ inputIntRegs, ++ inputFloatRegs, ++ }, ++ new VMStorage[][] { ++ outputIntRegs, ++ outputFloatRegs, ++ }, ++ new VMStorage[][] { ++ volatileIntRegs, ++ volatileFloatRegs, ++ }, ++ stackAlignment, ++ shadowSpace, ++ scratch1, scratch2, ++ StubLocations.TARGET_ADDRESS.storage(StorageType.PLACEHOLDER), ++ StubLocations.RETURN_BUFFER.storage(StorageType.PLACEHOLDER), ++ StubLocations.CAPTURED_STATE_BUFFER.storage(StorageType.PLACEHOLDER)); ++ } ++} +diff --git a/src/java.base/share/classes/jdk/internal/foreign/abi/s390/linux/LinuxS390CallArranger.java b/src/java.base/share/classes/jdk/internal/foreign/abi/s390/linux/LinuxS390CallArranger.java +new file mode 100644 +index 00000000000..84392e45089 +--- /dev/null ++++ b/src/java.base/share/classes/jdk/internal/foreign/abi/s390/linux/LinuxS390CallArranger.java +@@ -0,0 +1,311 @@ ++/* ++ * Copyright (c) 2022, 2023, Oracle and/or its affiliates. All rights reserved. ++ * Copyright (c) 2023 IBM Corp. All rights reserved. ++ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. ++ * ++ * This code is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License version 2 only, as ++ * published by the Free Software Foundation. Oracle designates this ++ * particular file as subject to the "Classpath" exception as provided ++ * by Oracle in the LICENSE file that accompanied this code. ++ * ++ * This code is distributed in the hope that it will be useful, but WITHOUT ++ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ++ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ++ * version 2 for more details (a copy is included in the LICENSE file that ++ * accompanied this code). ++ * ++ * You should have received a copy of the GNU General Public License version ++ * 2 along with this work; if not, write to the Free Software Foundation, ++ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. ++ * ++ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA ++ * or visit www.oracle.com if you need additional information or have any ++ * questions. ++ */ ++package jdk.internal.foreign.abi.s390.linux; ++ ++import java.lang.foreign.AddressLayout; ++import java.lang.foreign.FunctionDescriptor; ++import java.lang.foreign.GroupLayout; ++import java.lang.foreign.MemoryLayout; ++import java.lang.foreign.MemorySegment; ++import jdk.internal.foreign.abi.ABIDescriptor; ++import jdk.internal.foreign.abi.AbstractLinker.UpcallStubFactory; ++import jdk.internal.foreign.abi.Binding; ++import jdk.internal.foreign.abi.CallingSequence; ++import jdk.internal.foreign.abi.CallingSequenceBuilder; ++import jdk.internal.foreign.abi.DowncallLinker; ++import jdk.internal.foreign.abi.LinkerOptions; ++import jdk.internal.foreign.abi.UpcallLinker; ++import jdk.internal.foreign.abi.SharedUtils; ++import jdk.internal.foreign.abi.VMStorage; ++import jdk.internal.foreign.Utils; ++ ++import java.lang.foreign.ValueLayout; ++import java.lang.invoke.MethodHandle; ++import java.lang.invoke.MethodType; ++import java.util.List; ++import java.util.Map; ++import java.util.Optional; ++ ++import static jdk.internal.foreign.abi.s390.linux.TypeClass.*; ++import static jdk.internal.foreign.abi.s390.S390Architecture.*; ++import static jdk.internal.foreign.abi.s390.S390Architecture.Regs.*; ++ ++/** ++ * For the S390 C ABI specifically, this class uses CallingSequenceBuilder ++ * to translate a C FunctionDescriptor into a CallingSequence, which can then be turned into a MethodHandle. ++ * ++ * This includes taking care of synthetic arguments like pointers to return buffers for 'in-memory' returns. ++ */ ++public class LinuxS390CallArranger { ++ ++ private static final int STACK_SLOT_SIZE = 8; ++ public static final int MAX_REGISTER_ARGUMENTS = 5; ++ public static final int MAX_FLOAT_REGISTER_ARGUMENTS = 4; ++ ++ private static final ABIDescriptor CLinux = abiFor( ++ new VMStorage[] { r2, r3, r4, r5, r6, }, // GP input ++ new VMStorage[] { f0, f2, f4, f6 }, // FP input ++ new VMStorage[] { r2, }, // GP output ++ new VMStorage[] { f0, }, // FP output ++ new VMStorage[] { r0, r1, r2, r3, r4, r5, r14 }, // volatile GP ++ new VMStorage[] { f1, f3, f5, f7 }, // volatile FP (excluding argument registers) ++ 8, // Stack is always 8 byte aligned on S390 ++ 160, // ABI header ++ r0, r1 // scratch reg r0 & r1 ++ ); ++ ++ public record Bindings(CallingSequence callingSequence, boolean isInMemoryReturn) {} ++ ++ public static Bindings getBindings(MethodType mt, FunctionDescriptor cDesc, boolean forUpcall) { ++ return getBindings(mt, cDesc, forUpcall, LinkerOptions.empty()); ++ } ++ ++ public static Bindings getBindings(MethodType mt, FunctionDescriptor cDesc, boolean forUpcall, LinkerOptions options) { ++ CallingSequenceBuilder csb = new CallingSequenceBuilder(CLinux, forUpcall, options); ++ ++ BindingCalculator argCalc = forUpcall ? new BoxBindingCalculator(true) : new UnboxBindingCalculator(true); ++ BindingCalculator retCalc = forUpcall ? new UnboxBindingCalculator(false) : new BoxBindingCalculator(false); ++ ++ boolean returnInMemory = isInMemoryReturn(cDesc.returnLayout()); ++ if (returnInMemory) { ++ Class carrier = MemorySegment.class; ++ MemoryLayout layout =SharedUtils.C_POINTER; ++ csb.addArgumentBindings(carrier, layout, argCalc.getBindings(carrier, layout)); ++ } else if (cDesc.returnLayout().isPresent()) { ++ Class carrier = mt.returnType(); ++ MemoryLayout layout = cDesc.returnLayout().get(); ++ csb.setReturnBindings(carrier, layout, retCalc.getBindings(carrier, layout)); ++ } ++ ++ for (int i = 0; i < mt.parameterCount(); i++) { ++ Class carrier = mt.parameterType(i); ++ MemoryLayout layout = cDesc.argumentLayouts().get(i); ++ csb.addArgumentBindings(carrier, layout, argCalc.getBindings(carrier, layout)); ++ } ++ ++ return new Bindings(csb.build(), returnInMemory); ++ } ++ ++ public static MethodHandle arrangeDowncall(MethodType mt, FunctionDescriptor cDesc, LinkerOptions options) { ++ Bindings bindings = getBindings(mt, cDesc, false, options); ++ ++ MethodHandle handle = new DowncallLinker(CLinux, bindings.callingSequence).getBoundMethodHandle(); ++ ++ if (bindings.isInMemoryReturn) { ++ handle = SharedUtils.adaptDowncallForIMR(handle, cDesc, bindings.callingSequence); ++ } ++ ++ return handle; ++ } ++ ++ public static UpcallStubFactory arrangeUpcall(MethodType mt, FunctionDescriptor cDesc, LinkerOptions options) { ++ Bindings bindings = getBindings(mt, cDesc, true, options); ++ ++ final boolean dropReturn = true; /* drop return, since we don't have bindings for it */ ++ return SharedUtils.arrangeUpcallHelper(mt, bindings.isInMemoryReturn, dropReturn, CLinux, ++ bindings.callingSequence); ++ } ++ ++ private static boolean isInMemoryReturn(Optional returnLayout) { ++ return returnLayout ++ .filter(layout -> layout instanceof GroupLayout) ++ .isPresent(); ++ } ++ ++ static class StorageCalculator { ++ private final boolean forArguments; ++ ++ private final int[] nRegs = new int[] { 0, 0 }; ++ private long stackOffset = 0; ++ ++ public StorageCalculator(boolean forArguments) { ++ this.forArguments = forArguments; ++ } ++ ++ VMStorage stackAlloc(long size, long alignment) { ++ long alignedStackOffset = Utils.alignUp(stackOffset, alignment); ++ ++ short encodedSize = (short) size; ++ assert (encodedSize & 0xFFFF) == size; ++ ++ VMStorage storage = stackStorage(encodedSize, (int) alignedStackOffset); ++ stackOffset = alignedStackOffset + size; ++ return storage; ++ } ++ ++ VMStorage regAlloc(int type) { ++ int gpRegCnt = (type == StorageType.INTEGER) ? 1 : 0; ++ int fpRegCnt = (type == StorageType.FLOAT) ? 1 : 0; ++ ++ // Use stack if not enough registers available. ++ if ((type == StorageType.FLOAT && (nRegs[StorageType.FLOAT] + fpRegCnt) > MAX_FLOAT_REGISTER_ARGUMENTS) ++ || (type == StorageType.INTEGER && (nRegs[StorageType.INTEGER] + gpRegCnt) > MAX_REGISTER_ARGUMENTS)) return null; ++ ++ VMStorage[] source = (forArguments ? CLinux.inputStorage : CLinux.outputStorage)[type]; ++ VMStorage result = source[nRegs[type]]; ++ ++ nRegs[StorageType.INTEGER] += gpRegCnt; ++ nRegs[StorageType.FLOAT] += fpRegCnt; ++ return result; ++ ++ } ++ VMStorage getStorage(int type, boolean is32Bit) { ++ VMStorage reg = regAlloc(type); ++ if (reg != null) { ++ if (is32Bit) { ++ reg = new VMStorage(reg.type(), REG32_MASK, reg.indexOrOffset()); ++ } ++ return reg; ++ } ++ VMStorage stack; ++ if (is32Bit) { ++ stackAlloc(4, STACK_SLOT_SIZE); // Skip first half of stack slot. ++ stack = stackAlloc(4, 4); ++ } else ++ stack = stackAlloc(8, STACK_SLOT_SIZE); ++ ++ return stack; ++ } ++ } ++ ++ abstract static class BindingCalculator { ++ protected final StorageCalculator storageCalculator; ++ ++ protected BindingCalculator(boolean forArguments) { ++ this.storageCalculator = new LinuxS390CallArranger.StorageCalculator(forArguments); ++ } ++ ++ abstract List getBindings(Class carrier, MemoryLayout layout); ++ } ++ ++ // Compute recipe for transferring arguments / return values to C from Java. ++ static class UnboxBindingCalculator extends BindingCalculator { ++ UnboxBindingCalculator(boolean forArguments) { ++ super(forArguments); ++ } ++ ++ @Override ++ List getBindings(Class carrier, MemoryLayout layout) { ++ TypeClass argumentClass = TypeClass.classifyLayout(layout); ++ Binding.Builder bindings = Binding.builder(); ++ switch (argumentClass) { ++ case STRUCT_REGISTER -> { ++ assert carrier == MemorySegment.class; ++ VMStorage storage = storageCalculator.getStorage(StorageType.INTEGER, false); ++ Class type = SharedUtils.primitiveCarrierForSize(layout.byteSize(), false); ++ bindings.bufferLoad(0, type) ++ .vmStore(storage, type); ++ } ++ case STRUCT_SFA -> { ++ assert carrier == MemorySegment.class; ++ VMStorage storage = storageCalculator.getStorage(StorageType.FLOAT, layout.byteSize() == 4); ++ Class type = SharedUtils.primitiveCarrierForSize(layout.byteSize(), true); ++ bindings.bufferLoad(0, type) ++ .vmStore(storage, type); ++ } ++ case STRUCT_REFERENCE -> { ++ assert carrier == MemorySegment.class; ++ bindings.copy(layout) ++ .unboxAddress(); ++ VMStorage storage = storageCalculator.getStorage(StorageType.INTEGER, false); ++ bindings.vmStore(storage, long.class); ++ } ++ case POINTER -> { ++ VMStorage storage = storageCalculator.getStorage(StorageType.INTEGER, false); ++ bindings.unboxAddress() ++ .vmStore(storage, long.class); ++ } ++ case INTEGER -> { ++ // ABI requires all int types to get extended to 64 bit. ++ VMStorage storage = storageCalculator.getStorage(StorageType.INTEGER, false); ++ bindings.vmStore(storage, carrier); ++ } ++ case FLOAT -> { ++ VMStorage storage = storageCalculator.getStorage(StorageType.FLOAT, carrier == float.class); ++ bindings.vmStore(storage, carrier); ++ } ++ default -> throw new UnsupportedOperationException("Unhandled class " + argumentClass); ++ } ++ return bindings.build(); ++ } ++ } ++ ++ // Compute recipe for transferring arguments / return values from C to Java. ++ static class BoxBindingCalculator extends BindingCalculator { ++ BoxBindingCalculator(boolean forArguments) { ++ super(forArguments); ++ } ++ ++ @Override ++ List getBindings(Class carrier, MemoryLayout layout) { ++ TypeClass argumentClass = TypeClass.classifyLayout(layout); ++ Binding.Builder bindings = Binding.builder(); ++ switch (argumentClass) { ++ case STRUCT_REGISTER -> { ++ assert carrier == MemorySegment.class; ++ bindings.allocate(layout) ++ .dup(); ++ VMStorage storage = storageCalculator.getStorage(StorageType.INTEGER, false); ++ Class type = SharedUtils.primitiveCarrierForSize(layout.byteSize(), false); ++ bindings.vmLoad(storage, type) ++ .bufferStore(0, type); ++ } ++ case STRUCT_SFA -> { ++ assert carrier == MemorySegment.class; ++ bindings.allocate(layout) ++ .dup(); ++ VMStorage storage = storageCalculator.getStorage(StorageType.FLOAT, layout.byteSize() == 4); ++ Class type = SharedUtils.primitiveCarrierForSize(layout.byteSize(), true); ++ bindings.vmLoad(storage, type) ++ .bufferStore(0, type); ++ } ++ case STRUCT_REFERENCE -> { ++ assert carrier == MemorySegment.class; ++ VMStorage storage = storageCalculator.getStorage(StorageType.INTEGER, false); ++ bindings.vmLoad(storage, long.class) ++ .boxAddress(layout); ++ } ++ case POINTER -> { ++ AddressLayout addressLayout = (AddressLayout) layout; ++ VMStorage storage = storageCalculator.getStorage(StorageType.INTEGER, false); ++ bindings.vmLoad(storage, long.class) ++ .boxAddressRaw(Utils.pointeeByteSize(addressLayout), Utils.pointeeByteAlign(addressLayout)); ++ } ++ case INTEGER -> { ++ // We could use carrier != long.class for BoxBindingCalculator, but C always uses 64 bit slots. ++ VMStorage storage = storageCalculator.getStorage(StorageType.INTEGER, false); ++ bindings.vmLoad(storage, carrier); ++ } ++ case FLOAT -> { ++ VMStorage storage = storageCalculator.getStorage(StorageType.FLOAT, carrier == float.class); ++ bindings.vmLoad(storage, carrier); ++ } ++ default -> throw new UnsupportedOperationException("Unhandled class " + argumentClass); ++ } ++ return bindings.build(); ++ } ++ } ++} +diff --git a/src/java.base/share/classes/jdk/internal/foreign/abi/s390/linux/LinuxS390Linker.java b/src/java.base/share/classes/jdk/internal/foreign/abi/s390/linux/LinuxS390Linker.java +new file mode 100644 +index 00000000000..ac004b9e1e0 +--- /dev/null ++++ b/src/java.base/share/classes/jdk/internal/foreign/abi/s390/linux/LinuxS390Linker.java +@@ -0,0 +1,64 @@ ++/* ++ * Copyright (c) 2022, 2023, Oracle and/or its affiliates. All rights reserved. ++ * Copyright (c) 2023 IBM Corp. All rights reserved. ++ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. ++ * ++ * This code is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License version 2 only, as ++ * published by the Free Software Foundation. Oracle designates this ++ * particular file as subject to the "Classpath" exception as provided ++ * by Oracle in the LICENSE file that accompanied this code. ++ * ++ * This code is distributed in the hope that it will be useful, but WITHOUT ++ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ++ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ++ * version 2 for more details (a copy is included in the LICENSE file that ++ * accompanied this code). ++ * ++ * You should have received a copy of the GNU General Public License version ++ * 2 along with this work; if not, write to the Free Software Foundation, ++ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. ++ * ++ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA ++ * or visit www.oracle.com if you need additional information or have any ++ * questions. ++ */ ++package jdk.internal.foreign.abi.s390.linux; ++ ++import jdk.internal.foreign.abi.AbstractLinker; ++import jdk.internal.foreign.abi.LinkerOptions; ++ ++import java.lang.foreign.FunctionDescriptor; ++import java.lang.invoke.MethodHandle; ++import java.lang.invoke.MethodType; ++import java.nio.ByteOrder; ++ ++public final class LinuxS390Linker extends AbstractLinker { ++ ++ public static LinuxS390Linker getInstance() { ++ final class Holder { ++ private static final LinuxS390Linker INSTANCE = new LinuxS390Linker(); ++ } ++ ++ return Holder.INSTANCE; ++ } ++ ++ private LinuxS390Linker() { ++ // Ensure there is only one instance ++ } ++ ++ @Override ++ protected MethodHandle arrangeDowncall(MethodType inferredMethodType, FunctionDescriptor function, LinkerOptions options) { ++ return LinuxS390CallArranger.arrangeDowncall(inferredMethodType, function, options); ++ } ++ ++ @Override ++ protected UpcallStubFactory arrangeUpcall(MethodType targetType, FunctionDescriptor function, LinkerOptions options) { ++ return LinuxS390CallArranger.arrangeUpcall(targetType, function, options); ++ } ++ ++ @Override ++ protected ByteOrder linkerByteOrder() { ++ return ByteOrder.BIG_ENDIAN; ++ } ++} +diff --git a/src/java.base/share/classes/jdk/internal/foreign/abi/s390/linux/TypeClass.java b/src/java.base/share/classes/jdk/internal/foreign/abi/s390/linux/TypeClass.java +new file mode 100644 +index 00000000000..095cb2c08a8 +--- /dev/null ++++ b/src/java.base/share/classes/jdk/internal/foreign/abi/s390/linux/TypeClass.java +@@ -0,0 +1,126 @@ ++/* ++ * Copyright (c) 2022, 2023, Oracle and/or its affiliates. All rights reserved. ++ * Copyright (c) 2023 IBM Corp. All rights reserved. ++ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. ++ * ++ * This code is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License version 2 only, as ++ * published by the Free Software Foundation. Oracle designates this ++ * particular file as subject to the "Classpath" exception as provided ++ * by Oracle in the LICENSE file that accompanied this code. ++ * ++ * This code is distributed in the hope that it will be useful, but WITHOUT ++ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ++ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ++ * version 2 for more details (a copy is included in the LICENSE file that ++ * accompanied this code). ++ * ++ * You should have received a copy of the GNU General Public License version ++ * 2 along with this work; if not, write to the Free Software Foundation, ++ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. ++ * ++ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA ++ * or visit www.oracle.com if you need additional information or have any ++ * questions. ++ */ ++package jdk.internal.foreign.abi.s390.linux; ++ ++import java.lang.foreign.GroupLayout; ++import java.lang.foreign.MemoryLayout; ++import java.lang.foreign.MemorySegment; ++import java.lang.foreign.SequenceLayout; ++import java.lang.foreign.ValueLayout; ++import java.util.List; ++import java.util.ArrayList; ++ ++public enum TypeClass { ++ STRUCT_REGISTER, ++ STRUCT_SFA, // Single Float Aggregate ++ STRUCT_REFERENCE, ++ POINTER, ++ INTEGER, ++ FLOAT; ++ ++ private static TypeClass classifyValueType(ValueLayout type) { ++ Class carrier = type.carrier(); ++ if (carrier == boolean.class || carrier == byte.class || carrier == char.class || ++ carrier == short.class || carrier == int.class || carrier == long.class) { ++ return INTEGER; ++ } else if (carrier == float.class || carrier == double.class) { ++ return FLOAT; ++ } else if (carrier == MemorySegment.class) { ++ return POINTER; ++ } else { ++ throw new IllegalStateException("Cannot get here: " + carrier.getName()); ++ } ++ } ++ ++ private static boolean isRegisterAggregate(MemoryLayout type) { ++ long byteSize = type.byteSize(); ++ if (byteSize > 8 || byteSize == 3 || byteSize == 5 || byteSize == 6 || byteSize == 7) ++ return false; ++ return true; ++ } ++ ++ static List scalarLayouts(GroupLayout gl) { ++ List out = new ArrayList<>(); ++ scalarLayoutsInternal(out, gl); ++ return out; ++ } ++ ++ private static void scalarLayoutsInternal(List out, GroupLayout gl) { ++ for (MemoryLayout member : gl.memberLayouts()) { ++ if (member instanceof GroupLayout memberGl) { ++ scalarLayoutsInternal(out, memberGl); ++ } else if (member instanceof SequenceLayout memberSl) { ++ for (long i = 0; i < memberSl.elementCount(); i++) { ++ out.add(memberSl.elementLayout()); ++ } ++ } else { ++ // padding or value layouts ++ out.add(member); ++ } ++ } ++ } ++ ++ static boolean isSingleFloatAggregate(MemoryLayout type) { ++ List scalarLayouts = scalarLayouts((GroupLayout) type); ++ ++ final int numElements = scalarLayouts.size(); ++ if (numElements > 1 || numElements == 0) ++ return false; ++ ++ MemoryLayout baseType = scalarLayouts.get(0); ++ ++ if (!(baseType instanceof ValueLayout)) ++ return false; ++ ++ TypeClass baseArgClass = classifyValueType((ValueLayout) baseType); ++ if (baseArgClass != FLOAT) ++ return false; ++ ++ return true; ++ } ++ ++ private static TypeClass classifyStructType(MemoryLayout layout) { ++ ++ if (!isRegisterAggregate(layout)) { ++ return TypeClass.STRUCT_REFERENCE; ++ } ++ ++ if (isSingleFloatAggregate(layout)) { ++ return TypeClass.STRUCT_SFA; ++ } ++ return TypeClass.STRUCT_REGISTER; ++ } ++ ++ public static TypeClass classifyLayout(MemoryLayout type) { ++ if (type instanceof ValueLayout) { ++ return classifyValueType((ValueLayout) type); ++ } else if (type instanceof GroupLayout) { ++ return classifyStructType(type); ++ } else { ++ throw new IllegalArgumentException("Unsupported layout: " + type); ++ } ++ } ++} +diff --git a/test/jdk/java/foreign/TestClassLoaderFindNative.java b/test/jdk/java/foreign/TestClassLoaderFindNative.java +index 3f5fec0c195..44ec8732ed4 100644 +--- a/test/jdk/java/foreign/TestClassLoaderFindNative.java ++++ b/test/jdk/java/foreign/TestClassLoaderFindNative.java +@@ -31,9 +31,10 @@ + import java.lang.foreign.Arena; + import java.lang.foreign.MemorySegment; + import java.lang.foreign.SymbolLookup; ++import java.nio.ByteOrder; + import org.testng.annotations.Test; + +-import static java.lang.foreign.ValueLayout.JAVA_BYTE; ++import static java.lang.foreign.ValueLayout.JAVA_INT; + import static org.testng.Assert.*; + + // FYI this test is run on 64-bit platforms only for now, +@@ -58,8 +59,8 @@ public class TestClassLoaderFindNative { + + @Test + public void testVariableSymbolLookup() { +- MemorySegment segment = SymbolLookup.loaderLookup().find("c").get().reinterpret(1); +- assertEquals(segment.get(JAVA_BYTE, 0), 42); ++ MemorySegment segment = SymbolLookup.loaderLookup().find("c").get().reinterpret(4); ++ assertEquals(segment.get(JAVA_INT, 0), 42); + } + + @Test +diff --git a/test/jdk/java/foreign/TestIllegalLink.java b/test/jdk/java/foreign/TestIllegalLink.java +index 677f0bce62f..5d8277a5d4c 100644 +--- a/test/jdk/java/foreign/TestIllegalLink.java ++++ b/test/jdk/java/foreign/TestIllegalLink.java +@@ -54,6 +54,7 @@ import static org.testng.Assert.fail; + public class TestIllegalLink extends NativeTestHelper { + + private static final boolean IS_SYSV = CABI.current() == CABI.SYS_V; ++ private static final boolean IS_LE = ByteOrder.nativeOrder() == ByteOrder.LITTLE_ENDIAN; + + private static final MemorySegment DUMMY_TARGET = MemorySegment.ofAddress(1); + private static final MethodHandle DUMMY_TARGET_MH = MethodHandles.empty(MethodType.methodType(void.class)); +@@ -113,27 +114,27 @@ public class TestIllegalLink extends NativeTestHelper { + { + FunctionDescriptor.of(MemoryLayout.sequenceLayout(2, C_INT)), + NO_OPTIONS, +- "Unsupported layout: [2:i4]" ++ IS_LE ? "Unsupported layout: [2:i4]" : "Unsupported layout: [2:I4]" + }, + { + FunctionDescriptor.ofVoid(MemoryLayout.sequenceLayout(2, C_INT)), + NO_OPTIONS, +- "Unsupported layout: [2:i4]" ++ IS_LE ? "Unsupported layout: [2:i4]" : "Unsupported layout: [2:I4]" + }, + { + FunctionDescriptor.ofVoid(C_INT.withByteAlignment(2)), + NO_OPTIONS, +- "Unsupported layout: 2%i4" ++ IS_LE ? "Unsupported layout: 2%i4" : "Unsupported layout: 2%I4" + }, + { + FunctionDescriptor.ofVoid(C_POINTER.withByteAlignment(2)), + NO_OPTIONS, +- "Unsupported layout: 2%a8" ++ IS_LE ? "Unsupported layout: 2%a8" : "Unsupported layout: 2%A8" + }, + { + FunctionDescriptor.ofVoid(ValueLayout.JAVA_CHAR.withByteAlignment(4)), + NO_OPTIONS, +- "Unsupported layout: 4%c2" ++ IS_LE ? "Unsupported layout: 4%c2" : "Unsupported layout: 4%C2" + }, + { + FunctionDescriptor.ofVoid(MemoryLayout.structLayout( +@@ -142,7 +143,7 @@ public class TestIllegalLink extends NativeTestHelper { + C_INT.withName("z").withByteAlignment(1) + ).withByteAlignment(1)), + NO_OPTIONS, +- "Unsupported layout: 1%s2" ++ IS_LE ? "Unsupported layout: 1%s2" : "Unsupported layout: 1%S2" + }, + { + FunctionDescriptor.ofVoid(MemoryLayout.structLayout( +@@ -152,7 +153,7 @@ public class TestIllegalLink extends NativeTestHelper { + C_INT.withName("z").withByteAlignment(1) + ))), + NO_OPTIONS, +- "Unsupported layout: 1%s2" ++ IS_LE ? "Unsupported layout: 1%s2" : "Unsupported layout: 1%S2" + }, + { + FunctionDescriptor.ofVoid(MemoryLayout.structLayout( +@@ -160,7 +161,7 @@ public class TestIllegalLink extends NativeTestHelper { + C_INT.withByteAlignment(1) + ))), + NO_OPTIONS, +- "Unsupported layout: 1%i4" ++ IS_LE ? "Unsupported layout: 1%i4" : "Unsupported layout: 1%I4" + }, + { + FunctionDescriptor.ofVoid(MemoryLayout.structLayout( +@@ -173,17 +174,17 @@ public class TestIllegalLink extends NativeTestHelper { + { + FunctionDescriptor.of(C_INT.withOrder(nonNativeOrder())), + NO_OPTIONS, +- "Unsupported layout: I4" ++ IS_LE ? "Unsupported layout: I4" : "Unsupported layout: i4" + }, + { + FunctionDescriptor.of(MemoryLayout.structLayout(C_INT.withOrder(nonNativeOrder()))), + NO_OPTIONS, +- "Unsupported layout: I4" ++ IS_LE ? "Unsupported layout: I4" : "Unsupported layout: i4" + }, + { + FunctionDescriptor.of(MemoryLayout.structLayout(MemoryLayout.sequenceLayout(C_INT.withOrder(nonNativeOrder())))), + NO_OPTIONS, +- "Unsupported layout: I4" ++ IS_LE ? "Unsupported layout: I4" : "Unsupported layout: i4" + }, + { + FunctionDescriptor.ofVoid(MemoryLayout.structLayout( +@@ -227,5 +228,4 @@ public class TestIllegalLink extends NativeTestHelper { + ? ByteOrder.BIG_ENDIAN + : ByteOrder.LITTLE_ENDIAN; + } +- + } +diff --git a/test/jdk/java/foreign/callarranger/platform/PlatformLayouts.java b/test/jdk/java/foreign/callarranger/platform/PlatformLayouts.java +index 1646063fb08..97856075bef 100644 +--- a/test/jdk/java/foreign/callarranger/platform/PlatformLayouts.java ++++ b/test/jdk/java/foreign/callarranger/platform/PlatformLayouts.java +@@ -305,5 +305,4 @@ public final class PlatformLayouts { + public static final AddressLayout C_POINTER = SharedUtils.C_POINTER; + + } +- + } diff --git a/SPECS/java-21-openjdk.spec b/SPECS/java-21-openjdk.spec index 2906f9d..51283dd 100644 --- a/SPECS/java-21-openjdk.spec +++ b/SPECS/java-21-openjdk.spec @@ -351,9 +351,9 @@ %global top_level_dir_name %{vcstag} %global top_level_dir_name_backup %{top_level_dir_name}-backup %global buildver 12 -%global rpmrelease 2 +%global rpmrelease 3 # Settings used by the portable build -%global portablerelease 1 +%global portablerelease 2 %global portablesuffix el7_9 %global portablebuilddir /builddir/build/BUILD @@ -1414,7 +1414,8 @@ Patch6: jdk8009550-rh910107-fail_to_load_pcsc_library.patch # ############################################# -# Currently empty +# JDK-8311630: [s390] Implementation of Foreign Function & Memory API (Preview) +Patch100: jdk8311630-s390_ffmapi.patch ############################################# # @@ -1863,6 +1864,8 @@ pushd %{top_level_dir_name} %patch1001 -p1 # Patches in need of upstreaming %patch6 -p1 +# Patches in next release +%patch100 -p1 popd # openjdk @@ -2481,6 +2484,11 @@ require "copy_jdk_configs.lua" %endif %changelog +* Mon Nov 06 2023 Andrew Hughes - 1:21.0.1.0.12-3 +- Include JDK-8311630 patch to implement Foreign Function & Memory preview API on s390x +- Sync the copy of the portable specfile with the latest update +- Resolves: RHEL-16378 + * Mon Oct 30 2023 Andrew Hughes - 1:21.0.1.0.12-2 - Switch to using portable binaries built on RHEL 7 - Sync the copy of the portable specfile with the RHEL 7 version