community/dotnet8-stage0: enable riscv64 cross build

community/dotnet8-stage0/APKBUILD

@@ -2,7 +2,7 @@
 # Maintainer: Antoine Martin (ayakael) <dev@ayakael.net>
 pkgname=dotnet8-stage0
 pkgver=8.0.103
-pkgrel=0
+pkgrel=1
 
 [ "$CBUILD" != "$CHOST" ] && _cross="-$CARCH" || _cross=""
 
@@ -28,6 +28,7 @@ _patches="
 	runtime_more-clang-16-suppression.patch
 	runtime_remove-usage-of-off64-t.patch
 	runtime_fix-build-clang18.1.patch
+	runtime_disable_local_exec_tls_riscv64.patch
 	"
 
 _pkgver_macro=${pkgver%.*}
@@ -39,7 +40,7 @@ pkgdesc="The .NET Core stage0 bits for dotnet build"
 # riscv64: port WIP https://github.com/dotnet/runtime/issues/84834
 # s390x | ppc64le: mono-based builds are not yet stable on musl
 # loongarch64: upstream code supported, blocked by binary tarball
-arch="all !x86 !armhf !riscv64 !s390x !ppc64le !loongarch64"
+arch="all !x86 !armhf !s390x !ppc64le !loongarch64"
 _giturl=https://github.com/dotnet/dotnet
 url=https://dotnet.microsoft.com
 license="MIT"
@@ -457,4 +458,5 @@ c983a1ab7f06ac86691e0fa7a61fcad69a074d984ef4a4116bee43f20be918215963c7ec8ddd7edd
 ac86fbed72754ead0b28ed51d18e98f91d8809a1535c09f910465581976bf607bd6159f5aa96c73d7407a4e7b918e80b90d8d30e17757fdfa91a36a2e8557c3e  runtime_more-clang-16-suppression.patch
 0c25319125ef5b0ad490b37a643c0c5257c796d5ed24f9ac404f698710b07de790bcbb0b6336d4a50025b94c3bff99b214951bd8f0a79a8d6f543ebaa300740f  runtime_remove-usage-of-off64-t.patch
 68d5df73645484de4e4fd1675793b817cac4808899b5b27b6a39f8043319f02bdf8109b3a3b0ce90aa37ef73347c4b3c57c90f62dff354e7ac184856d755a2da  runtime_fix-build-clang18.1.patch
+93454767eaa812ac39b38b04764bd41480fea9b5a78f32d2ea1baa072a20eb31d302c475e8737b0fb2a3b8a6f47567795ddd0a7603369e90e7c5944b11357b00  runtime_disable_local_exec_tls_riscv64.patch
 "

community/dotnet8-stage0/runtime_disable_local_exec_tls_riscv64.patch

+diff --git a/src/runtime/src/coreclr/vm/riscv64/asmhelpers.S b/src/runtime/src/coreclr/vm/riscv64/asmhelpers.S
+index 85ee7c3..3390603 100644
+--- a/src/runtime/src/coreclr/vm/riscv64/asmhelpers.S
++++ b/src/runtime/src/coreclr/vm/riscv64/asmhelpers.S
+@@ -965,6 +965,6 @@ NESTED_END OnCallCountThresholdReachedStub, _TEXT
+ 
+ // Load offset of native thread local variable `t_ThreadStatics` in TCB and return it in `a0` register.
+ LEAF_ENTRY GetThreadStaticsVariableOffset, _TEXT
+-    la.tls.ie   a0, t_ThreadStatics
++    la.tls.gd   a0, t_ThreadStatics
+     EPILOG_RETURN
+ LEAF_END GetThreadStaticsVariableOffset, _TEXT
+diff --git a/src/runtime/src/coreclr/jit/helperexpansion.cpp b/src/runtime/src/coreclr/jit/helperexpansion.cpp
+index 529bbfd..f3acffd 100644
+--- a/src/runtime/src/coreclr/jit/helperexpansion.cpp
++++ b/src/runtime/src/coreclr/jit/helperexpansion.cpp
+@@ -491,7 +491,7 @@ bool Compiler::fgExpandThreadLocalAccessForCall(BasicBlock** pBlock, Statement*
+     }
+     else
+     {
+-#ifdef TARGET_ARM
++#if defined(TARGET_ARM) || defined(TARGET_RISCV64)
+         // On Arm, Thread execution blocks are accessed using co-processor registers and instructions such
+         // as MRC and MCR are used to access them. We do not support them and so should never optimize the
+         // field access using TLS.
+diff --git a/src/runtime/src/coreclr/vm/jitinterface.cpp b/src/runtime/src/coreclr/vm/jitinterface.cpp
+index 1cc6c37..cbb7a73 100644
+--- a/src/runtime/src/coreclr/vm/jitinterface.cpp
++++ b/src/runtime/src/coreclr/vm/jitinterface.cpp
+@@ -1437,7 +1437,7 @@ void CEEInfo::getThreadLocalStaticBlocksInfo (CORINFO_THREAD_STATIC_BLOCKS_INFO*
+     pInfo->tlsGetAddrFtnPtr = reinterpret_cast<void*>(&__tls_get_addr);
+     pInfo->tlsIndexObject = GetTlsIndexObjectAddress();
+ 
+-#elif defined(TARGET_ARM64) || defined(TARGET_LOONGARCH64) || defined(TARGET_RISCV64)
++#elif defined(TARGET_ARM64) || defined(TARGET_LOONGARCH64)
+ 
+     // For Linux arm64/loongarch64/riscv64, just get the offset of thread static variable, and during execution,
+     // this offset, arm64 taken from trpid_elp0 system register gives back the thread variable address.