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ayaports/community/dotnet6-build/runtime_76500-mono-musl-support.patch

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From f54977e2fc84527fe58024ed5537cb63244168e2 Mon Sep 17 00:00:00 2001
Patch-Source: https://github.com/dotnet/runtime/pull/76500
From: Antoine Martin <dev@ayakael.net>
Date: Tue, 13 Sep 2022 14:17:35 +0200
Subject: [PATCH 1/1] Mono musl support
---
src/coreclr/pal/src/misc/perfjitdump.cpp | 2 +-
src/mono/CMakeLists.txt | 29 ++++++++++++++++++++++++
src/mono/mono.proj | 18 +++++++++------
src/mono/mono/metadata/domain.c | 10 ++++++++
src/mono/mono/mini/CMakeLists.txt | 10 ++++++++
src/mono/mono/utils/mono-context.h | 8 +++++++
6 files changed, 69 insertions(+), 8 deletions(-)
diff --git a/src/runtime/src/coreclr/pal/src/misc/perfjitdump.cpp b/src/runtime/src/coreclr/pal/src/misc/perfjitdump.cpp
index d80bd58038c..3488397b0da 100644
--- a/src/runtime/src/coreclr/pal/src/misc/perfjitdump.cpp
+++ b/src/runtime/src/coreclr/pal/src/misc/perfjitdump.cpp
@@ -25,7 +25,7 @@
#include <sys/uio.h>
#include <time.h>
#include <unistd.h>
-#include <linux/limits.h>
+#include <limits.h>
#include "../inc/llvm/ELF.h"
diff --git a/src/runtime/src/mono/CMakeLists.txt b/src/runtime/src/mono/CMakeLists.txt
index 49a73b1b709..7e596d69d35 100644
--- a/src/runtime/src/mono/CMakeLists.txt
+++ b/src/runtime/src/mono/CMakeLists.txt
@@ -208,6 +208,35 @@ elseif(CMAKE_SYSTEM_NAME STREQUAL "Linux")
# Enable the "full RELRO" options (RELRO & BIND_NOW) at link time
add_link_options(-Wl,-z,relro)
add_link_options(-Wl,-z,now)
+ # Detect Linux ID
+ # TODO: Eventually merge with eng/native/configureplatform.cmake
+ set(LINUX_ID_FILE "/etc/os-release")
+ if(CMAKE_CROSSCOMPILING)
+ set(LINUX_ID_FILE "${CMAKE_SYSROOT}${LINUX_ID_FILE}")
+ endif()
+
+ if(EXISTS ${LINUX_ID_FILE})
+ execute_process(
+ COMMAND bash -c "source ${LINUX_ID_FILE} && echo \$ID"
+ OUTPUT_VARIABLE CLR_CMAKE_LINUX_ID
+ OUTPUT_STRIP_TRAILING_WHITESPACE)
+
+ execute_process(
+ COMMAND bash -c "if strings \"${CMAKE_SYSROOT}/usr/bin/ldd\" 2>&1 | grep -q musl; then echo musl; fi"
+ OUTPUT_VARIABLE CLR_CMAKE_LINUX_MUSL
+ OUTPUT_STRIP_TRAILING_WHITESPACE)
+ endif()
+
+ if(DEFINED CLR_CMAKE_LINUX_ID)
+ if(CLR_CMAKE_LINUX_ID STREQUAL alpine)
+ set(CLR_CMAKE_HOST_ALPINE_LINUX 1)
+ set(CLR_CMAKE_HOST_OS ${CLR_CMAKE_LINUX_ID})
+ endif()
+
+ if(CLR_CMAKE_LINUX_MUSL STREQUAL musl)
+ set(CLR_CMAKE_HOST_LINUX_MUSL 1)
+ endif()
+ endif(DEFINED CLR_CMAKE_LINUX_ID)
elseif(CMAKE_SYSTEM_NAME STREQUAL "Android")
set(HOST_LINUX 1)
add_definitions(-D_GNU_SOURCE -D_REENTRANT)
diff --git a/src/runtime/src/mono/mono.proj b/src/runtime/src/mono/mono.proj
index d6a0c9a8ec2..933ed60cea7 100644
--- a/src/runtime/src/mono/mono.proj
+++ b/src/runtime/src/mono/mono.proj
@@ -417,11 +417,15 @@
<!-- Linux options -->
<ItemGroup Condition="'$(TargetsLinux)' == true">
<_MonoCFLAGS Include="-Wl,--build-id=sha1" />
+ <_MonoCFLAGS Include="-Wno-strict-prototypes" />
<_MonoCXXFLAGS Include="-Wl,--build-id=sha1" />
+ <_MonoCXXFLAGS Include="-Wno-strict-prototypes" />
</ItemGroup>
<ItemGroup Condition="'$(RealTargetOS)' == 'Linux'">
<_MonoAOTCFLAGS Include="-Wl,--build-id=sha1" />
+ <_MonoAOTCFLAGS Include="-Wno-strict-prototypes" />
<_MonoAOTCXXFLAGS Include="-Wl,--build-id=sha1" />
+ <_MonoAOTCXXFLAGS Include="-Wno-strict-prototypes" />
</ItemGroup>
<!-- Devloop features -->
@@ -500,15 +504,15 @@
<MonoToolchainPrebuiltOS Condition="$([MSBuild]::IsOSPlatform('OSX'))">darwin-x86_64</MonoToolchainPrebuiltOS>
<MonoToolchainPrebuiltOS Condition="'$(OS)' == 'Windows_NT'">windows-x86_64</MonoToolchainPrebuiltOS>
<_MonoRuntimeFilePath>$(MonoObjDir)out\lib\$(MonoFileName)</_MonoRuntimeFilePath>
- <_LinuxAbi Condition="'$(TargetsAndroid)' != 'true'">gnu</_LinuxAbi>
- <_LinuxAbi Condition="'$(TargetsAndroid)' == 'true'">android</_LinuxAbi>
+ <_LinuxAbi Condition="'$(TargetsAndroid)' != 'true'">alpine-linux-musl</_LinuxAbi>
+ <_LinuxAbi Condition="'$(TargetsAndroid)' == 'true'">linux-android</_LinuxAbi>
<_LinuxFloatAbi Condition="'$(TargetsAndroid)' != 'true'">hf</_LinuxFloatAbi>
<_Objcopy>objcopy</_Objcopy>
- <_Objcopy Condition="'$(Platform)' == 'arm'">arm-linux-$(_LinuxAbi)eabi$(_LinuxFloatAbi)-$(_Objcopy)</_Objcopy>
- <_Objcopy Condition="'$(Platform)' == 'arm64'">aarch64-linux-$(_LinuxAbi)-$(_Objcopy)</_Objcopy>
- <_Objcopy Condition="'$(Platform)' == 's390x'">s390x-linux-$(_LinuxAbi)-$(_Objcopy)</_Objcopy>
- <_Objcopy Condition="'$(Platform)' == 'x64'">x86_64-linux-$(_LinuxAbi)-$(_Objcopy)</_Objcopy>
- <_Objcopy Condition="'$(Platform)' == 'x86'">i686-linux-$(_LinuxAbi)-$(_Objcopy)</_Objcopy>
+ <_Objcopy Condition="'$(Platform)' == 'arm' and '$(CrossBuild)' == 'true'">arm-$(_LinuxAbi)eabi$(_LinuxFloatAbi)-$(_Objcopy)</_Objcopy>
+ <_Objcopy Condition="'$(Platform)' == 'arm64' and '$(CrossBuild)' == 'true'">aarch64-$(_LinuxAbi)-$(_Objcopy)</_Objcopy>
+ <_Objcopy Condition="'$(Platform)' == 's390x' and '$(CrossBuild)' == 'true'">s390x-$(_LinuxAbi)-$(_Objcopy)</_Objcopy>
+ <_Objcopy Condition="'$(Platform)' == 'x64' and '$(CrossBuild)' == 'true'">x86_64-$(_LinuxAbi)-$(_Objcopy)</_Objcopy>
+ <_Objcopy Condition="'$(Platform)' == 'x86' and '$(CrossBuild)' == 'true'">i686-$(_LinuxAbi)-$(_Objcopy)</_Objcopy>
<_Objcopy Condition="'$(TargetsAndroid)' == 'true'">$(ANDROID_NDK_ROOT)/toolchains/llvm/prebuilt/$(MonoToolchainPrebuiltOS)/bin/$(_Objcopy)</_Objcopy>
</PropertyGroup>
<!-- test viability of objcopy command -->
diff --git a/src/runtime/src/mono/mono/metadata/domain.c b/src/runtime/src/mono/mono/metadata/domain.c
index 4a8e06d28ae..e9868bd1b2c 100644
--- a/src/runtime/src/mono/mono/metadata/domain.c
+++ b/src/runtime/src/mono/mono/metadata/domain.c
@@ -138,6 +138,14 @@ create_root_domain (void)
return domain;
}
+static MONO_NO_OPTIMIZATION MONO_NEVER_INLINE void
+ensure_stack_size (void)
+{
+ const int default_size = 5 * 1024 * 1024;
+ volatile uint8_t *s = (uint8_t *)g_alloca(default_size);
+ *s = 0;
+}
+
/**
* mono_init_internal:
*
@@ -181,6 +189,8 @@ mono_init_internal (const char *filename, const char *exe_filename, const char *
mono_counters_register ("Max HashTable Chain Length", MONO_COUNTER_INT|MONO_COUNTER_METADATA, &mono_g_hash_table_max_chain_length);
+ ensure_stack_size ();
+
mono_gc_base_init ();
mono_thread_info_attach ();
diff --git a/src/runtime/src/mono/mono/mini/CMakeLists.txt b/src/runtime/src/mono/mono/mini/CMakeLists.txt
index 128ed08f45b..17cbe696c4b 100644
--- a/src/runtime/src/mono/mono/mini/CMakeLists.txt
+++ b/src/runtime/src/mono/mono/mini/CMakeLists.txt
@@ -364,6 +364,11 @@ if(NOT DISABLE_SHARED_LIBS)
set_target_properties(monosgen-shared PROPERTIES IMPORT_SUFFIX ".import.lib")
endif()
target_link_libraries(monosgen-shared PRIVATE ${OS_LIBS} ${ICONV_LIB} ${LLVM_LIBS} ${ICU_LIBS} ${Z_LIBS})
+ # Alpine Linux implements ucontext in a different library
+ if(CLR_CMAKE_HOST_ALPINE_LINUX AND TARGET_S390X)
+ target_link_libraries(monosgen-shared PRIVATE ucontext)
+ endif(CLR_CMAKE_HOST_ALPINE_LINUX AND TARGET_S390X)
+
if(ICU_LDFLAGS)
set_property(TARGET monosgen-shared APPEND_STRING PROPERTY LINK_FLAGS " ${ICU_LDFLAGS}")
endif()
@@ -488,6 +493,11 @@ if(NOT DISABLE_EXECUTABLES)
set_target_properties(mono-sgen PROPERTIES OUTPUT_NAME mono-aot-cross)
endif()
target_link_libraries(mono-sgen PRIVATE monosgen-static ${OS_LIBS} ${ICONV_LIB} ${LLVM_LIBS} ${ICU_LIBS} ${Z_LIBS})
+ # Alpine Linux implements ucontext in a different library
+ if(CLR_CMAKE_HOST_ALPINE_LINUX AND TARGET_S390X)
+ target_link_libraries(mono-sgen PRIVATE ucontext)
+ endif(CLR_CMAKE_HOST_ALPINE_LINUX AND TARGET_S390X)
+
if(NOT DISABLE_COMPONENTS AND STATIC_COMPONENTS AND NOT DISABLE_LINK_STATIC_COMPONENTS)
# if components are built statically, link them into runtime.
target_sources(mono-sgen PRIVATE "${mono-components-objects}")
diff --git a/src/runtime/src/mono/mono/utils/mono-context.h b/src/runtime/src/mono/mono/utils/mono-context.h
index bd1a3cd0104..db4ba452bcb 100644
--- a/src/runtime/src/mono/mono/utils/mono-context.h
+++ b/src/runtime/src/mono/mono/utils/mono-context.h
@@ -11,6 +11,14 @@
#ifndef __MONO_MONO_CONTEXT_H__
#define __MONO_MONO_CONTEXT_H__
+/*
+ * Handle non-gnu libc versions with nothing in features.h
+ * We have no idea what they're compatible with, so always fail.
+ */
+#ifndef __GLIBC_PREREQ
+# define __GLIBC_PREREQ(x,y) 0
+#endif
+
#include "mono-compiler.h"
#include "mono-sigcontext.h"
#include "mono-machine.h"
--
2.36.3
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