RFR: 8343767: Enumerate StubGen blobs, stubs and entries and generate code from declarations [v13]

[Vladimir Ivanov]

On Wed, 15 Jan 2025 14:00:01 GMT, Andrew Dinn <adinn at openjdk.org> wrote:

>> Implementation of JDK-8343767
>
> Andrew Dinn has updated the pull request incrementally with one additional commit since the last revision:
> 
>   update copyrights

I see compiler/arguments/TestCodeEntryAlignment.java failures on x64.


#  Internal Error (.../src/hotspot/share/asm/codeBuffer.hpp:200), pid=1218011, tid=1218066
#  assert(allocates2(pc)) failed: not in CodeBuffer memory: 0x00007f52b412a000 <= 0x00007f52b413e141 <= 0x00007f52b413e140

Command Line: -XX:+UnlockExperimentalVMOptions -XX:CodeCacheSegmentSize=1024 -XX:CodeEntryAlignment=1024 compiler.arguments.TestCodeEntryAlignment run

Current thread (0x00007f52c422b220):  JavaThread "C2 CompilerThread0" daemon [_thread_in_vm, id=1218066, stack(0x00007f52a4f9b000,0x00007f52a509b000) (1024K)]

V  [libjvm.so+0x68c7b0]  Assembler::vmovdqu(Address, XMMRegister)+0x250  (codeBuffer.hpp:200)
V  [libjvm.so+0x1390ed3]  MacroAssembler::vmovdqu(Address, XMMRegister)+0x73  (macroAssembler_x86.cpp:2663)
V  [libjvm.so+0x176f4d5]  StubGenerator::generate_base64_encodeBlock()+0x955  (stubGenerator_x86_64.cpp:2081)
V  [libjvm.so+0x1777c7d]  StubGenerator::generate_compiler_stubs()+0x5cd  (stubGenerator_x86_64.cpp:4296)
V  [libjvm.so+0x17795e8]  StubGenerator_generate(CodeBuffer*, StubGenBlobId)+0xe8  (stubGenerator_x86_64.cpp:4421)
V  [libjvm.so+0x17d2ff8]  initialize_stubs(StubGenBlobId, int, int, char const*, char const*, char const*) [clone .constprop.0]+0xe8  (stubRoutines.cpp:233)
V  [libjvm.so+0x17d55fc]  compiler_stubs_init(bool)+0x9c  (stubRoutines.cpp:264)
...

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PR Comment: https://git.openjdk.org/jdk/pull/21957#issuecomment-2597018842