<div dir="ltr">Hi,<div><br></div><div>I've made a local patch to be able to cross-compile hsdis based on binutils at <a href="https://github.com/rivosinc/jdk/commit/4c88e66b654e4c29ede7c221d223298497fa06c2">https://github.com/rivosinc/jdk/commit/4c88e66b654e4c29ede7c221d223298497fa06c2</a></div><div><br></div><div>I'm blocked on getting access to my JBS again in order to submit it upstream. Feel free to use it in the meantime.</div><div><br></div><div>Thanks,</div><div>Ludovic</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, Oct 9, 2022 at 8:57 AM Zixian Cai <<a href="mailto:zixian.cai@anu.edu.au">zixian.cai@anu.edu.au</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div class="msg8196824922803190253">
<div lang="EN-AU" style="overflow-wrap: break-word;">
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<p class="MsoNormal">Hi all,<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">I made a mistake. I used the binutils version on the FSF wiki
<a href="https://directory.fsf.org/wiki/Binutils" target="_blank">https://directory.fsf.org/wiki/Binutils</a> , which is neither the latest nor what’s supported by hsdis. I built binutils-2.37 per hsdis/README.md, and everything works fine now.<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<div>
<p class="MsoNormal"><span lang="EN-US">Sincerely,<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">Zixian</span><u></u><u></u></p>
</div>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal" style="margin-bottom:12pt">On 9/10/2022, 17:39, "riscv-port-dev" <<a href="mailto:riscv-port-dev-retn@openjdk.org" target="_blank">riscv-port-dev-retn@openjdk.org</a>> wrote:<u></u><u></u></p>
<div>
<p class="MsoNormal">Hi all,<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">I’m just wondering how I can cross compile hsdis for RISC-V.<u></u><u></u></p>
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<p class="MsoNormal">I downloaded the source of binutils-2.36.1, and configured jdk.<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<div>
<p class="MsoNormal">bash configure --openjdk-target=riscv64-linux-gnu --with-sysroot=../sysroot-riscv64/ --with-boot-jdk=/usr/lib/jvm/temurin-19-jdk-amd64 --with-debug-level=slowdebug --with-jvm-variants=server --disable-warnings-as-errors --with-hsdis=binutils
--with-binutils-src=$PWD/../binutils-2.36.1<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">OpenJDK configure exited with error when configuring binutils, because binutils wants to be configured with --host when cross compiling.<u></u><u></u></p>
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<div>
<p class="MsoNormal">I workarounded the problem by configuring and building binutils manually, so OpenJDK configure will skip building binutils.<u></u><u></u></p>
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<p class="MsoNormal">The flags I used are from jdk/make/autoconf/lib-hsdis.m4<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">./configure --host=riscv64-linux-gnu --disable-nls CFLAGS=" -fPIC -O0"<u></u><u></u></p>
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<div>
<p class="MsoNormal">make -j<u></u><u></u></p>
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<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">I then run jdk configure again, and build jdk with hsdis.<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">make CONF=linux-riscv64-server-slowdebug install-hsdis<u></u><u></u></p>
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<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">The build succeeded. But when I try to run a program, JVM will crash with the following backtrace.<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">/mnt/jdk/build/linux-riscv64-server-slowdebug/jdk/bin/java -XX:+UnlockDiagnosticVMOptions -XX:+PrintAssembly -XX:+DebugNonSafepoints -XX:+PrintStubCode -Xint -version<u></u><u></u></p>
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<div>
<p class="MsoNormal"><u></u> <u></u></p>
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<div>
<p class="MsoNormal">- - - [BEGIN] - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -<u></u><u></u></p>
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<div>
<p class="MsoNormal">ICache::fake_stub_for_inlined_icache_flush [0x00007fff95000080, 0x00007fff95000084] (4 bytes)<u></u><u></u></p>
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<div>
<p class="MsoNormal">--------------------------------------------------------------------------------<u></u><u></u></p>
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<div>
<p class="MsoNormal">#<u></u><u></u></p>
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<div>
<p class="MsoNormal"># A fatal error has been detected by the Java Runtime Environment:<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">#<u></u><u></u></p>
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<div>
<p class="MsoNormal"># SIGSEGV (0xb) at pc=0x00007fff9d467e84, pid=14142, tid=14143<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">#<u></u><u></u></p>
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<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">The backtrace is as follows.<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">Current thread (0x00007fffa8028f30): JavaThread "Unknown thread" [_thread_in_vm, id=13140, stack(0x00007fffaee75000,0x00007fffaf075000)]<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">Stack: [0x00007fffaee75000,0x00007fffaf075000], sp=0x00007fffaf072560, free space=2037k<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">C [hsdis-riscv64.so+0xcbe84] riscv_get_disassembler+0x1c<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">C [hsdis-riscv64.so+0xc5bb6] disassembler+0x36<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">C [hsdis-riscv64.so+0x3b6ea] setup_app_data+0x110<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">C [hsdis-riscv64.so+0x3b0d0] decode+0x2c<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">C [hsdis-riscv64.so+0x3afea] decode_instructions_virtual+0xbc<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">V [libjvm.so+0x6f09c2] decode_env::decode_instructions(unsigned char*, unsigned char*, unsigned char*)+0x238<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">V [libjvm.so+0x6f14f2] Disassembler::decode(unsigned char*, unsigned char*, outputStream*, AsmRemarks const*, long)+0x10c<u></u><u></u></p>
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<div>
<p class="MsoNormal">V [libjvm.so+0xe9c846] StubCodeGenerator::stub_epilog(StubCodeDesc*)+0xea<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">V [libjvm.so+0xe9ca80] StubCodeMark::~StubCodeMark()+0x124<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">V [libjvm.so+0x8cf36e] ICacheStubGenerator::generate_icache_flush(int (**)(unsigned char*, int, int))+0x72<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">V [libjvm.so+0x8cef06] AbstractICache::initialize()+0x9a<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">V [libjvm.so+0x8cf146] icache_init()+0xc<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">V [libjvm.so+0x5b4e40] CodeCache::initialize()+0x1ba<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">V [libjvm.so+0x5b4e6c] codeCache_init()+0xc<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">V [libjvm.so+0x8e13dc] init_globals()+0x38<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">V [libjvm.so+0xf3d58e] Threads::create_vm(JavaVMInitArgs*, bool*)+0x348<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">V [libjvm.so+0x9f32da] JNI_CreateJavaVM_inner(JavaVM_**, void**, void*)+0xe0<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">V [libjvm.so+0x9f34d4] JNI_CreateJavaVM+0x2a<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">C [libjli.so+0x6a82] InitializeJVM+0x118 (java.c:1457)<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">C [libjli.so+0x3f00] JavaMain+0xa0 (java.c:413)<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">C [libjli.so+0xa050] ThreadJavaMain+0x24 (java_md.c:650)<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">C [libc.so.6+0x6a450]<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">C [libc.so.6+0xb7ef2]<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">siginfo: si_signo: 11 (SIGSEGV), si_code: 1 (SEGV_MAPERR), si_addr: 0x0000000000000350<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">FWIW, if I use the hsdis from <a href="https://builds.shipilev.net/hsdis/hsdis-riscv64.so" target="_blank">
https://builds.shipilev.net/hsdis/hsdis-riscv64.so</a> <<a href="https://aus01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fbuilds.shipilev.net%2Fhsdis%2Fhsdis-riscv64.so&data=05%7C01%7Czixian.cai%40anu.edu.au%7C33c79318a1244d1202f608daa9c0f2fc%7Ce37d725cab5c46249ae5f0533e486437%7C0%7C0%7C638008943428531908%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=%2FyJ9RFlwnkhXCWZdihUsHQtMdHlpMCqL8fo26Czakmc%3D&reserved=0%3e" target="_blank">https://aus01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fbuilds.shipilev.net%2Fhsdis%2Fhsdis-riscv64.so&data=05%7C01%7Czixian.cai%40anu.edu.au%7C33c79318a1244d1202f608daa9c0f2fc%7Ce37d725cab5c46249ae5f0533e486437%7C0%7C0%7C638008943428531908%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=%2FyJ9RFlwnkhXCWZdihUsHQtMdHlpMCqL8fo26Czakmc%3D&reserved=0></a>,
everything works fine.<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal">Sincerely,<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal">Zixian<u></u><u></u></p>
</div>
</div>
</div>
</div></blockquote></div>