Merge remote-tracking branch 'origin/5.11' into dev

Change-Id: I280d42b8926c0cada1f35d322b80aaf2b0ef0a73

7 files changed, 160 insertions, 84 deletions

diff --git a/src/3rdparty/masm/assembler/ARM64Assembler.h b/src/3rdparty/masm/assembler/ARM64Assembler.h
index 008f03bccf..1787e921e8 100644
--- a/src/3rdparty/masm/assembler/ARM64Assembler.h
+++ b/src/3rdparty/masm/assembler/ARM64Assembler.h
@@ -39,6 +39,10 @@
 #include <libkern/OSCacheControl.h>
 #endif
 
+#if OS(INTEGRITY)
+#include <INTEGRITY.h>
+#endif
+
 #define CHECK_DATASIZE_OF(datasize) ASSERT(datasize == 32 || datasize == 64)
 #define DATASIZE_OF(datasize) ((datasize == 64) ? Datasize_64 : Datasize_32)
 #define MEMOPSIZE_OF(datasize) ((datasize == 8 || datasize == 128) ? MemOpSize_8_or_128 : (datasize == 16) ? MemOpSize_16 : (datasize == 32) ? MemOpSize_32 : MemOpSize_64)
@@ -3039,6 +3043,8 @@ public:
         UNUSED_PARAM(code);
         UNUSED_PARAM(size);
 #endif
+#elif OS(INTEGRITY)
+        ManageCaches((Address)code, size, ACCESS_DST_COHERENT);
 #else
 #error "The cacheFlush support is missing on this platform."
 #endif
diff --git a/src/3rdparty/masm/assembler/AbstractMacroAssembler.h b/src/3rdparty/masm/assembler/AbstractMacroAssembler.h
index 6fac27fdf1..1076384900 100644
--- a/src/3rdparty/masm/assembler/AbstractMacroAssembler.h
+++ b/src/3rdparty/masm/assembler/AbstractMacroAssembler.h
@@ -327,7 +327,13 @@ public:
         template<class TemplateAssemblerType>
         friend class AbstractMacroAssembler;
         friend struct DFG::OSRExit;
+
+#if CPU(ARM_THUMB2) || CPU(ARM64) || defined(V4_BOOTSTRAP)
+        using Jump = typename AssemblerType::template Jump<Label>;
+        friend Jump;
+#else
         friend class Jump;
+#endif
         friend class JumpReplacementWatchpoint;
         friend class MacroAssemblerCodeRef;
         template <typename, template <typename> class> friend class LinkBufferBase;
diff --git a/src/3rdparty/masm/assembler/MacroAssemblerARM64.h b/src/3rdparty/masm/assembler/MacroAssemblerARM64.h
index 1f94eb9032..ba0d7e93f8 100644
--- a/src/3rdparty/masm/assembler/MacroAssemblerARM64.h
+++ b/src/3rdparty/masm/assembler/MacroAssemblerARM64.h
@@ -3101,40 +3101,22 @@ private:
     }
 
     template<int datasize>
-    ALWAYS_INLINE void loadUnsignedImmediate(RegisterID rt, RegisterID rn, unsigned pimm)
-    {
-        m_assembler.ldr<datasize>(rt, rn, pimm);
-    }
+    void loadUnsignedImmediate(RegisterID rt, RegisterID rn, unsigned pimm);
 
     template<int datasize>
-    ALWAYS_INLINE void loadUnscaledImmediate(RegisterID rt, RegisterID rn, int simm)
-    {
-        m_assembler.ldur<datasize>(rt, rn, simm);
-    }
+    void loadUnscaledImmediate(RegisterID rt, RegisterID rn, int simm);
 
     template<int datasize>
-    ALWAYS_INLINE void loadSignedAddressedByUnsignedImmediate(RegisterID rt, RegisterID rn, unsigned pimm)
-    {
-        loadUnsignedImmediate<datasize>(rt, rn, pimm);
-    }
+    void loadSignedAddressedByUnsignedImmediate(RegisterID rt, RegisterID rn, unsigned pimm);
 
     template<int datasize>
-    ALWAYS_INLINE void loadSignedAddressedByUnscaledImmediate(RegisterID rt, RegisterID rn, int simm)
-    {
-        loadUnscaledImmediate<datasize>(rt, rn, simm);
-    }
+    void loadSignedAddressedByUnscaledImmediate(RegisterID rt, RegisterID rn, int simm);
 
     template<int datasize>
-    ALWAYS_INLINE void storeUnsignedImmediate(RegisterID rt, RegisterID rn, unsigned pimm)
-    {
-        m_assembler.str<datasize>(rt, rn, pimm);
-    }
+    void storeUnsignedImmediate(RegisterID rt, RegisterID rn, unsigned pimm);
 
     template<int datasize>
-    ALWAYS_INLINE void storeUnscaledImmediate(RegisterID rt, RegisterID rn, int simm)
-    {
-        m_assembler.stur<datasize>(rt, rn, simm);
-    }
+    void storeUnscaledImmediate(RegisterID rt, RegisterID rn, int simm);
 
     void moveWithFixedWidth(TrustedImm32 imm, RegisterID dest)
     {
@@ -3299,74 +3281,19 @@ private:
     }
 
     template<int datasize>
-    ALWAYS_INLINE bool tryLoadWithOffset(RegisterID rt, RegisterID rn, int32_t offset)
-    {
-        if (ARM64Assembler::canEncodeSImmOffset(offset)) {
-            loadUnscaledImmediate<datasize>(rt, rn, offset);
-            return true;
-        }
-        if (ARM64Assembler::canEncodePImmOffset<datasize>(offset)) {
-            loadUnsignedImmediate<datasize>(rt, rn, static_cast<unsigned>(offset));
-            return true;
-        }
-        return false;
-    }
+    bool tryLoadWithOffset(RegisterID rt, RegisterID rn, int32_t offset);
 
     template<int datasize>
-    ALWAYS_INLINE bool tryLoadSignedWithOffset(RegisterID rt, RegisterID rn, int32_t offset)
-    {
-        if (ARM64Assembler::canEncodeSImmOffset(offset)) {
-            loadSignedAddressedByUnscaledImmediate<datasize>(rt, rn, offset);
-            return true;
-        }
-        if (ARM64Assembler::canEncodePImmOffset<datasize>(offset)) {
-            loadSignedAddressedByUnsignedImmediate<datasize>(rt, rn, static_cast<unsigned>(offset));
-            return true;
-        }
-        return false;
-    }
+    bool tryLoadSignedWithOffset(RegisterID rt, RegisterID rn, int32_t offset);
 
     template<int datasize>
-    ALWAYS_INLINE bool tryLoadWithOffset(FPRegisterID rt, RegisterID rn, int32_t offset)
-    {
-        if (ARM64Assembler::canEncodeSImmOffset(offset)) {
-            m_assembler.ldur<datasize>(rt, rn, offset);
-            return true;
-        }
-        if (ARM64Assembler::canEncodePImmOffset<datasize>(offset)) {
-            m_assembler.ldr<datasize>(rt, rn, static_cast<unsigned>(offset));
-            return true;
-        }
-        return false;
-    }
+    bool tryLoadWithOffset(FPRegisterID rt, RegisterID rn, int32_t offset);
 
     template<int datasize>
-    ALWAYS_INLINE bool tryStoreWithOffset(RegisterID rt, RegisterID rn, int32_t offset)
-    {
-        if (ARM64Assembler::canEncodeSImmOffset(offset)) {
-            storeUnscaledImmediate<datasize>(rt, rn, offset);
-            return true;
-        }
-        if (ARM64Assembler::canEncodePImmOffset<datasize>(offset)) {
-            storeUnsignedImmediate<datasize>(rt, rn, static_cast<unsigned>(offset));
-            return true;
-        }
-        return false;
-    }
+    bool tryStoreWithOffset(RegisterID rt, RegisterID rn, int32_t offset);
 
     template<int datasize>
-    ALWAYS_INLINE bool tryStoreWithOffset(FPRegisterID rt, RegisterID rn, int32_t offset)
-    {
-        if (ARM64Assembler::canEncodeSImmOffset(offset)) {
-            m_assembler.stur<datasize>(rt, rn, offset);
-            return true;
-        }
-        if (ARM64Assembler::canEncodePImmOffset<datasize>(offset)) {
-            m_assembler.str<datasize>(rt, rn, static_cast<unsigned>(offset));
-            return true;
-        }
-        return false;
-    }
+    bool tryStoreWithOffset(FPRegisterID rt, RegisterID rn, int32_t offset);
 
     Jump jumpAfterFloatingPointCompare(DoubleCondition cond)
     {
@@ -3413,6 +3340,43 @@ private:
     bool m_allowScratchRegister = true;
 };
 
+template<int datasize>
+ALWAYS_INLINE void MacroAssemblerARM64::loadUnsignedImmediate(RegisterID rt, RegisterID rn, unsigned pimm)
+{
+    m_assembler.ldr<datasize>(rt, rn, pimm);
+}
+
+template<int datasize>
+ALWAYS_INLINE void MacroAssemblerARM64::loadUnscaledImmediate(RegisterID rt, RegisterID rn, int simm)
+{
+    m_assembler.ldur<datasize>(rt, rn, simm);
+}
+
+template<int datasize>
+ALWAYS_INLINE void MacroAssemblerARM64::loadSignedAddressedByUnsignedImmediate(RegisterID rt, RegisterID rn, unsigned pimm)
+{
+    loadUnsignedImmediate<datasize>(rt, rn, pimm);
+}
+
+template<int datasize>
+ALWAYS_INLINE void MacroAssemblerARM64::loadSignedAddressedByUnscaledImmediate(RegisterID rt, RegisterID rn, int simm)
+{
+    loadUnscaledImmediate<datasize>(rt, rn, simm);
+}
+
+template<int datasize>
+ALWAYS_INLINE void MacroAssemblerARM64::storeUnsignedImmediate(RegisterID rt, RegisterID rn, unsigned pimm)
+{
+    m_assembler.str<datasize>(rt, rn, pimm);
+}
+
+template<int datasize>
+ALWAYS_INLINE void MacroAssemblerARM64::storeUnscaledImmediate(RegisterID rt, RegisterID rn, int simm)
+{
+    m_assembler.stur<datasize>(rt, rn, simm);
+}
+
+
 // Extend the {load,store}{Unsigned,Unscaled}Immediate templated general register methods to cover all load/store sizes
 template<>
 ALWAYS_INLINE void MacroAssemblerARM64::loadUnsignedImmediate<8>(RegisterID rt, RegisterID rn, unsigned pimm)
@@ -3486,6 +3450,77 @@ ALWAYS_INLINE void MacroAssemblerARM64::storeUnscaledImmediate<16>(RegisterID rt
     m_assembler.sturh(rt, rn, simm);
 }
 
+template<int datasize>
+ALWAYS_INLINE bool MacroAssemblerARM64::tryLoadSignedWithOffset(RegisterID rt, RegisterID rn, int32_t offset)
+{
+    if (ARM64Assembler::canEncodeSImmOffset(offset)) {
+        loadSignedAddressedByUnscaledImmediate<datasize>(rt, rn, offset);
+        return true;
+    }
+    if (ARM64Assembler::canEncodePImmOffset<datasize>(offset)) {
+        loadSignedAddressedByUnsignedImmediate<datasize>(rt, rn, static_cast<unsigned>(offset));
+        return true;
+    }
+    return false;
+}
+
+template<int datasize>
+ALWAYS_INLINE bool MacroAssemblerARM64::tryStoreWithOffset(RegisterID rt, RegisterID rn, int32_t offset)
+{
+    if (ARM64Assembler::canEncodeSImmOffset(offset)) {
+        storeUnscaledImmediate<datasize>(rt, rn, offset);
+        return true;
+    }
+    if (ARM64Assembler::canEncodePImmOffset<datasize>(offset)) {
+        storeUnsignedImmediate<datasize>(rt, rn, static_cast<unsigned>(offset));
+        return true;
+    }
+    return false;
+}
+
+template<int datasize>
+ALWAYS_INLINE bool MacroAssemblerARM64::tryStoreWithOffset(FPRegisterID rt, RegisterID rn, int32_t offset)
+{
+    if (ARM64Assembler::canEncodeSImmOffset(offset)) {
+        m_assembler.stur<datasize>(rt, rn, offset);
+        return true;
+    }
+    if (ARM64Assembler::canEncodePImmOffset<datasize>(offset)) {
+        m_assembler.str<datasize>(rt, rn, static_cast<unsigned>(offset));
+        return true;
+    }
+    return false;
+}
+
+
+template<int datasize>
+ALWAYS_INLINE bool MacroAssemblerARM64::tryLoadWithOffset(RegisterID rt, RegisterID rn, int32_t offset)
+{
+    if (ARM64Assembler::canEncodeSImmOffset(offset)) {
+        loadUnscaledImmediate<datasize>(rt, rn, offset);
+        return true;
+    }
+    if (ARM64Assembler::canEncodePImmOffset<datasize>(offset)) {
+        loadUnsignedImmediate<datasize>(rt, rn, static_cast<unsigned>(offset));
+        return true;
+    }
+    return false;
+}
+
+template<int datasize>
+ALWAYS_INLINE bool MacroAssemblerARM64::tryLoadWithOffset(FPRegisterID rt, RegisterID rn, int32_t offset)
+    {
+        if (ARM64Assembler::canEncodeSImmOffset(offset)) {
+            m_assembler.ldur<datasize>(rt, rn, offset);
+            return true;
+        }
+        if (ARM64Assembler::canEncodePImmOffset<datasize>(offset)) {
+            m_assembler.ldr<datasize>(rt, rn, static_cast<unsigned>(offset));
+            return true;
+        }
+        return false;
+    }
+
 } // namespace JSC
 
 #endif // ENABLE(ASSEMBLER)
diff --git a/src/3rdparty/masm/stubs/ExecutableAllocator.h b/src/3rdparty/masm/stubs/ExecutableAllocator.h
index 3b84b5c986..1ab28588fb 100644
--- a/src/3rdparty/masm/stubs/ExecutableAllocator.h
+++ b/src/3rdparty/masm/stubs/ExecutableAllocator.h
@@ -45,6 +45,10 @@
 
 #include <private/qv4executableallocator_p.h>
 
+#if OS(INTEGRITY)
+#include "OSAllocator.h"
+#endif
+
 #if OS(WINDOWS)
 #include <windows.h>
 #else
@@ -118,6 +122,8 @@ struct ExecutableAllocator {
             Q_UNREACHABLE();
         }
 #    endif
+#  elif OS(INTEGRITY)
+         OSAllocator::setMemoryAttributes(addr, /*writable*/ true, /*executable*/ false);
 #  else
         int mode = PROT_READ | PROT_WRITE;
         if (mprotect(addr, size, mode) != 0) {
@@ -152,6 +158,8 @@ struct ExecutableAllocator {
             Q_UNREACHABLE();
         }
 #    endif
+#  elif OS(INTEGRITY)
+        OSAllocator::setMemoryAttributes(addr, /*writable*/ false, /*executable*/ true);
 #  else
         int mode = PROT_READ | PROT_EXEC;
         if (mprotect(addr, size, mode) != 0) {
diff --git a/src/3rdparty/masm/wtf/OSAllocator.h b/src/3rdparty/masm/wtf/OSAllocator.h
index 933b3cda0a..366dd73993 100644
--- a/src/3rdparty/masm/wtf/OSAllocator.h
+++ b/src/3rdparty/masm/wtf/OSAllocator.h
@@ -73,6 +73,10 @@ public:
     static T* reallocateCommitted(T*, size_t oldSize, size_t newSize, Usage = UnknownUsage, bool writable = true, bool executable = false);
 
     static bool canAllocateExecutableMemory();
+
+#if defined(Q_OS_INTEGRITY)
+    static void setMemoryAttributes(void* addr, bool writable, bool executable);
+#endif
 };
 
 inline void* OSAllocator::reserveAndCommit(size_t reserveSize, size_t commitSize, Usage usage, bool writable, bool executable)
diff --git a/src/3rdparty/masm/wtf/OSAllocatorIntegrity.cpp b/src/3rdparty/masm/wtf/OSAllocatorIntegrity.cpp
index 451ca147d1..7addf9e5c2 100644
--- a/src/3rdparty/masm/wtf/OSAllocatorIntegrity.cpp
+++ b/src/3rdparty/masm/wtf/OSAllocatorIntegrity.cpp
@@ -123,6 +123,12 @@ Error setAttributes(MemoryRegion mr, bool writable, bool executable)
     return SetMemoryRegionAttributes(mr, attributes);
 }
 
+void OSAllocator::setMemoryAttributes(void* addr, bool writable, bool executable)
+{
+     const MRPair* pair = memoryRegionsContainer.getMRPair((Address)addr);
+     CheckSuccess(setAttributes(pair->vmr, writable, executable));
+}
+
 void* OSAllocator::reserveUncommitted(size_t bytes, Usage usage, bool writable, bool executable)
 {
     MemoryRegion VMR;
@@ -229,4 +235,10 @@ void OSAllocator::releaseDecommitted(void* address, size_t bytes)
         memoryRegionsContainer.deleteMRPair(pair);
     }
 }
+
+bool OSAllocator::canAllocateExecutableMemory()
+{
+    return true;
+}
+
 } // namespace WTF
diff --git a/src/3rdparty/masm/wtf/Platform.h b/src/3rdparty/masm/wtf/Platform.h
index 4f37245495..5905f42f45 100644
--- a/src/3rdparty/masm/wtf/Platform.h
+++ b/src/3rdparty/masm/wtf/Platform.h
@@ -171,6 +171,11 @@
 #define WTF_CPU_ARM64 1
 #endif
 
+/* CPU(ARM64) - INTEGRITY */
+#if (defined(__ARM64__))
+#define WTF_CPU_ARM64 1
+#endif
+
 /* CPU(ARM) - ARM, any version*/
 #define WTF_ARM_ARCH_AT_LEAST(N) (CPU(ARM) && WTF_ARM_ARCH_VERSION >= N)