[browser][coreCLR] enable bigint

src/coreclr/gc/unix/cgroup.cpp

@@ -68,7 +68,10 @@ class CGroup
     static void Initialize()
     {
         s_cgroup_version = FindCGroupVersion();
-        FindCGroupPath(s_cgroup_version == 1 ? &IsCGroup1MemorySubsystem : nullptr, &s_memory_cgroup_path, &s_memory_cgroup_hierarchy_mount);
+        if (s_cgroup_version != 0)
+        {
+            FindCGroupPath(s_cgroup_version == 1 ? &IsCGroup1MemorySubsystem : nullptr, &s_memory_cgroup_path, &s_memory_cgroup_hierarchy_mount);
+        }
     }
 
     static void Cleanup()
@@ -119,7 +122,7 @@ class CGroup
         // modes because both of those involve cgroup v1 controllers managing
         // resources.
 
-#if !HAVE_NON_LEGACY_STATFS
+#if !HAVE_NON_LEGACY_STATFS || TARGET_WASM
         return 0;
 #else
 

src/coreclr/gc/unix/gcenv.unix.cpp

@@ -108,6 +108,11 @@ typedef cpuset_t cpu_set_t;
 #define SYSCONF_GET_NUMPROCS _SC_NPROCESSORS_ONLN
 #endif
 
+#ifdef __EMSCRIPTEN__
+#include <emscripten/heap.h>
+#endif // __EMSCRIPTEN__
+
+
 // The cached total number of CPUs that can be used in the OS.
 static uint32_t g_totalCpuCount = 0;
 
@@ -814,7 +819,7 @@ static uint64_t GetMemorySizeMultiplier(char units)
     return 1;
 }
 
-#if !defined(__APPLE__) && !defined(__HAIKU__)
+#if !defined(__APPLE__) && !defined(__HAIKU__) && !defined(__EMSCRIPTEN__)
 // Try to read the MemAvailable entry from /proc/meminfo.
 // Return true if the /proc/meminfo existed, the entry was present and we were able to parse it.
 static bool ReadMemAvailable(uint64_t* memAvailable)
@@ -1082,6 +1087,8 @@ uint64_t GetAvailablePhysicalMemory()
     {
         available = info.free_memory;
     }
+#elif defined(__EMSCRIPTEN__)
+    available = emscripten_get_heap_max();
 #else // Linux
     static volatile bool tryReadMemInfo = true;
 

src/coreclr/hosts/corerun/CMakeLists.txt

@@ -58,6 +58,7 @@ else()
         if (CLR_CMAKE_TARGET_BROWSER)
             target_compile_options(corerun PRIVATE
                 -fwasm-exceptions
+                -mbulk-memory
                 -msimd128
                 )
             target_link_libraries(corerun PRIVATE
@@ -79,6 +80,7 @@ else()
                 -sMAXIMUM_MEMORY=2147483648
                 -sALLOW_MEMORY_GROWTH=1
                 -sSTACK_SIZE=5MB
+                -sWASM_BIGINT=1
                 -sEXPORTED_FUNCTIONS=_main,_GetDotNetRuntimeContractDescriptor
                 -sENVIRONMENT=node,shell,web
                 -Wl,-error-limit=0)

src/coreclr/interpreter/compiler.cpp

@@ -461,7 +461,10 @@ void InterpCompiler::LinkBBs(InterpBasicBlock *from, InterpBasicBlock *to)
         if (newCapacity > prevCapacity)
         {
             InterpBasicBlock **newa = (InterpBasicBlock**)AllocMemPool(newCapacity * sizeof(InterpBasicBlock*));
-            memcpy(newa, from->ppOutBBs, from->outCount * sizeof(InterpBasicBlock*));
+            if (prevCapacity != 0) 
+            {
+                memcpy(newa, from->ppOutBBs, from->outCount * sizeof(InterpBasicBlock*));
+            }
             from->ppOutBBs = newa;
         }
         from->ppOutBBs [from->outCount] = to;
@@ -483,7 +486,9 @@ void InterpCompiler::LinkBBs(InterpBasicBlock *from, InterpBasicBlock *to)
         int newCapacity = GetBBLinksCapacity(to->inCount + 1);
         if (newCapacity > prevCapacity) {
             InterpBasicBlock **newa = (InterpBasicBlock**)AllocMemPool(newCapacity * sizeof(InterpBasicBlock*));
-            memcpy(newa, to->ppInBBs, to->inCount * sizeof(InterpBasicBlock*));
+            if (prevCapacity != 0) {
+                memcpy(newa, to->ppInBBs, to->inCount * sizeof(InterpBasicBlock*));
+            }
             to->ppInBBs = newa;
         }
         to->ppInBBs [to->inCount] = from;
@@ -5300,7 +5305,10 @@ void InterpCompiler::GenerateCode(CORINFO_METHOD_INFO* methodInfo)
         // We need to realloc the IL code buffer to hold the extra opcodes
 
         uint8_t* newILCode = (uint8_t*)AllocMemPool(newILCodeSize);
-        memcpy(newILCode, m_pILCode, m_ILCodeSize);
+        if (m_ILCodeSize)
+        {
+            memcpy(newILCode, m_pILCode, m_ILCodeSize);
+        }
         memcpy(newILCode + m_synchronizedFinallyStartOffset, opCodesForSynchronizedMethodFinally, sizeof(opCodesForSynchronizedMethodFinally));
         memcpy(newILCode + m_synchronizedPostFinallyOffset, opCodesForSynchronizedMethodEpilog, sizeof(opCodesForSynchronizedMethodEpilog));
         m_pILCode = newILCode;
@@ -5512,7 +5520,10 @@ void InterpCompiler::GenerateCode(CORINFO_METHOD_INFO* methodInfo)
                 {
                     MergeStackTypeInfo(m_pStackBase, pNewBB->pStackState, pNewBB->stackHeight);
                     // This is relevant only for copying the vars associated with the values on the stack
-                    memcpy(m_pStackBase, pNewBB->pStackState, pNewBB->stackHeight * sizeof(StackInfo));
+                    if (pNewBB->stackHeight != 0)
+                    {
+                        memcpy(m_pStackBase, pNewBB->pStackState, pNewBB->stackHeight * sizeof(StackInfo));
+                    }
                     m_pStackPointer = m_pStackBase + pNewBB->stackHeight;
                 }
                 else
@@ -5527,7 +5538,10 @@ void InterpCompiler::GenerateCode(CORINFO_METHOD_INFO* methodInfo)
                 if (pNewBB->stackHeight >= 0)
                 {
                     // This is relevant only for copying the vars associated with the values on the stack
-                    memcpy (m_pStackBase, pNewBB->pStackState, pNewBB->stackHeight * sizeof(StackInfo));
+                    if (pNewBB->stackHeight != 0)
+                    {
+                        memcpy (m_pStackBase, pNewBB->pStackState, pNewBB->stackHeight * sizeof(StackInfo));
+                    }
                     m_pStackPointer = m_pStackBase + pNewBB->stackHeight;
                     pNewBB->emitState = BBStateEmitting;
                     emittedBBlocks = true;

src/coreclr/pal/CMakeLists.txt

@@ -11,6 +11,7 @@ if (NOT CLR_CMAKE_TARGET_BROWSER)
 else()
     add_compile_options(
         -fwasm-exceptions
+        -mbulk-memory
         -msimd128
         )
     add_link_options(

src/coreclr/pal/src/misc/cgroup.cpp

@@ -49,7 +49,10 @@ class CGroup
     static void Initialize()
     {
         s_cgroup_version = FindCGroupVersion();
-        FindCGroupPath(s_cgroup_version == 1 ? &IsCGroup1CpuSubsystem : nullptr, &s_cpu_cgroup_path);
+        if (s_cgroup_version != 0)
+        {
+            FindCGroupPath(s_cgroup_version == 1 ? &IsCGroup1CpuSubsystem : nullptr, &s_cpu_cgroup_path);
+        }
     }
 
     static void Cleanup()
@@ -84,7 +87,7 @@ class CGroup
         // modes because both of those involve cgroup v1 controllers managing
         // resources.
 
-#if !HAVE_NON_LEGACY_STATFS
+#if !HAVE_NON_LEGACY_STATFS || TARGET_WASM
         return 0;
 #else
         struct statfs stats;

src/coreclr/vm/methodtablebuilder.cpp

@@ -3678,7 +3678,10 @@ VOID    MethodTableBuilder::AllocateWorkingSlotTables()
 
     // Allocate a FieldDesc* for each field
     bmtMFDescs->ppFieldDescList = new (GetStackingAllocator()) FieldDesc*[bmtMetaData->cFields];
-    ZeroMemory(bmtMFDescs->ppFieldDescList, bmtMetaData->cFields * sizeof(FieldDesc *));
+    if (bmtMetaData->cFields != 0)
+    {
+        ZeroMemory(bmtMFDescs->ppFieldDescList, bmtMetaData->cFields * sizeof(FieldDesc *));
+    }
 
     // Create a temporary function table (we don't know how large the vtable will be until the very end,
     // since we don't yet know how many declared methods are overrides vs. newslots).

src/native/corehost/browserhost/CMakeLists.txt

@@ -26,6 +26,7 @@ set_target_properties(BrowserHost-Static PROPERTIES OUTPUT_NAME BrowserHost CLEA
 
 target_compile_options(BrowserHost-Static PRIVATE
         -fwasm-exceptions
+        -mbulk-memory
         -msimd128
     )
 target_link_libraries(BrowserHost-Static PRIVATE
@@ -87,6 +88,7 @@ set_target_properties(browserhost PROPERTIES
 
 target_compile_options(browserhost PRIVATE
         -fwasm-exceptions
+        -mbulk-memory
         -msimd128
     )
 
@@ -108,6 +110,7 @@ target_link_options(browserhost PRIVATE
     -sMAXIMUM_MEMORY=2147483648
     -sALLOW_MEMORY_GROWTH=1
     -sSTACK_SIZE=5MB
+    -sWASM_BIGINT=1
     -sMODULARIZE=1
     -sEXPORT_ES6=1
     -sEXIT_RUNTIME=0

src/tests/CMakeLists.txt

@@ -70,6 +70,7 @@ else()
 
     add_compile_options(
       -fwasm-exceptions 
+      -mbulk-memory
       -msimd128)
     add_link_options(
       -fwasm-exceptions