Merge branch 'master' into DRTVWR-568

7 files changed, 291 insertions, 16 deletions

diff --git a/indra/llcommon/llalignedarray.h b/indra/llcommon/llalignedarray.h
index b68e9e0f82..da9d98c16c 100644
--- a/indra/llcommon/llalignedarray.h
+++ b/indra/llcommon/llalignedarray.h
@@ -116,14 +116,20 @@ void LLAlignedArray<T, alignment>::resize(U32 size)
 template <class T, U32 alignment>
 T& LLAlignedArray<T, alignment>::operator[](int idx)
 {
-	llassert(idx < mElementCount);
+	if(idx >= mElementCount || idx < 0)
+    {
+        LL_ERRS() << "Out of bounds LLAlignedArray, requested: " << (S32)idx << " size: " << mElementCount << LL_ENDL;
+    }
 	return mArray[idx];
 }
 
 template <class T, U32 alignment>
 const T& LLAlignedArray<T, alignment>::operator[](int idx) const
 {
-	llassert(idx < mElementCount);
+    if (idx >= mElementCount || idx < 0)
+    {
+        LL_ERRS() << "Out of bounds LLAlignedArray, requested: " << (S32)idx << " size: " << mElementCount << LL_ENDL;
+    }
 	return mArray[idx];
 }
 
diff --git a/indra/llcommon/llcoros.cpp b/indra/llcommon/llcoros.cpp
index c2d353b0fc..14bfb98629 100644
--- a/indra/llcommon/llcoros.cpp
+++ b/indra/llcommon/llcoros.cpp
@@ -35,6 +35,7 @@
 // STL headers
 // std headers
 #include <atomic>
+#include <stdexcept>
 // external library headers
 #include <boost/bind.hpp>
 #include <boost/fiber/fiber.hpp>
@@ -214,6 +215,22 @@ std::string LLCoros::logname()
     return data.mName.empty()? data.getKey() : data.mName;
 }
 
+void LLCoros::saveException(const std::string& name, std::exception_ptr exc)
+{
+    mExceptionQueue.emplace(name, exc);
+}
+
+void LLCoros::rethrow()
+{
+    if (! mExceptionQueue.empty())
+    {
+        ExceptionData front = mExceptionQueue.front();
+        mExceptionQueue.pop();
+        LL_WARNS("LLCoros") << "Rethrowing exception from coroutine " << front.name << LL_ENDL;
+        std::rethrow_exception(front.exception);
+    }
+}
+
 void LLCoros::setStackSize(S32 stacksize)
 {
     LL_DEBUGS("LLCoros") << "Setting coroutine stack size to " << stacksize << LL_ENDL;
@@ -302,11 +319,11 @@ U32 cpp_exception_filter(U32 code, struct _EXCEPTION_POINTERS *exception_infop,
     }
 }
 
-void LLCoros::winlevel(const std::string& name, const callable_t& callable)
+void LLCoros::sehHandle(const std::string& name, const LLCoros::callable_t& callable)
 {
     __try
     {
-        toplevelTryWrapper(name, callable);
+        LLCoros::toplevelTryWrapper(name, callable);
     }
     __except (cpp_exception_filter(GetExceptionCode(), GetExceptionInformation(), name))
     {
@@ -321,7 +338,6 @@ void LLCoros::winlevel(const std::string& name, const callable_t& callable)
         throw std::exception(integer_string);
     }
 }
-
 #endif
 
 void LLCoros::toplevelTryWrapper(const std::string& name, const callable_t& callable)
@@ -350,11 +366,19 @@ void LLCoros::toplevelTryWrapper(const std::string& name, const callable_t& call
     }
     catch (...)
     {
+#if LL_WINDOWS
         // Any OTHER kind of uncaught exception will cause the viewer to
-        // crash, hopefully informatively.
+        // crash, SEH handling should catch it and report to bugsplat.
         LOG_UNHANDLED_EXCEPTION(STRINGIZE("coroutine " << name));
         // to not modify callstack
         throw;
+#else
+        // Stash any OTHER kind of uncaught exception in the rethrow() queue
+        // to be rethrown by the main fiber.
+        LL_WARNS("LLCoros") << "Capturing uncaught exception in coroutine "
+                            << name << LL_ENDL;
+        LLCoros::instance().saveException(name, std::current_exception());
+#endif
     }
 }
 
@@ -364,8 +388,9 @@ void LLCoros::toplevelTryWrapper(const std::string& name, const callable_t& call
 void LLCoros::toplevel(std::string name, callable_t callable)
 {
 #if LL_WINDOWS
-    // Can not use __try in functions that require unwinding, so use one more wrapper
-    winlevel(name, callable);
+    // Because SEH can's have unwinding, need to call a wrapper
+    // 'try' is inside SEH handling to not catch LLContinue
+    sehHandle(name, callable);
 #else
     toplevelTryWrapper(name, callable);
 #endif
diff --git a/indra/llcommon/llcoros.h b/indra/llcommon/llcoros.h
index a94cfca19f..dbff921f16 100644
--- a/indra/llcommon/llcoros.h
+++ b/indra/llcommon/llcoros.h
@@ -38,6 +38,8 @@
 #include "llinstancetracker.h"
 #include <boost/function.hpp>
 #include <string>
+#include <exception>
+#include <queue>
 
 // e.g. #include LLCOROS_MUTEX_HEADER
 #define LLCOROS_MUTEX_HEADER   <boost/fiber/mutex.hpp>
@@ -156,6 +158,19 @@ public:
      * LLCoros::launch()).
      */
     static std::string getName();
+    
+    /**
+     * rethrow() is called by the thread's main fiber to propagate an
+     * exception from any coroutine into the main fiber, where it can engage
+     * the normal unhandled-exception machinery, up to and including crash
+     * reporting.
+     *
+     * LLCoros maintains a queue of otherwise-uncaught exceptions from
+     * terminated coroutines. Each call to rethrow() pops the first of those
+     * and rethrows it. When the queue is empty (normal case), rethrow() is a
+     * no-op.
+     */
+    void rethrow();
 
     /**
      * This variation returns a name suitable for log messages: the explicit
@@ -292,13 +307,27 @@ public:
 
 private:
     std::string generateDistinctName(const std::string& prefix) const;
+    void toplevelTryWrapper(const std::string& name, const callable_t& callable);
 #if LL_WINDOWS
-    void winlevel(const std::string& name, const callable_t& callable);
+    void sehHandle(const std::string& name, const callable_t& callable); // calls toplevelTryWrapper
 #endif
-    void toplevelTryWrapper(const std::string& name, const callable_t& callable);
-    void toplevel(std::string name, callable_t callable);
+    void toplevel(std::string name, callable_t callable); // calls sehHandle or toplevelTryWrapper
     struct CoroData;
     static CoroData& get_CoroData(const std::string& caller);
+    void saveException(const std::string& name, std::exception_ptr exc);
+
+    struct ExceptionData
+    {
+        ExceptionData(const std::string& nm, std::exception_ptr exc):
+            name(nm),
+            exception(exc)
+        {}
+        // name of coroutine that originally threw this exception
+        std::string name;
+        // the thrown exception
+        std::exception_ptr exception;
+    };
+    std::queue<ExceptionData> mExceptionQueue;
 
     S32 mStackSize;
 
diff --git a/indra/llcommon/llprocessor.cpp b/indra/llcommon/llprocessor.cpp
index 818df07bb2..4a1a81f083 100644
--- a/indra/llcommon/llprocessor.cpp
+++ b/indra/llcommon/llprocessor.cpp
@@ -118,7 +118,11 @@ namespace
 		eMONTIOR_MWAIT=33,
 		eCPLDebugStore=34,
 		eThermalMonitor2=35,
-		eAltivec=36
+		eAltivec=36,
+        eSSE3S_Features = 37,
+        eSSE4_1_Features = 38,
+        eSSE4_2_Features = 39,
+        eSSE4a_Features = 40,
 	};
 
 	const char* cpu_feature_names[] =
@@ -161,7 +165,11 @@ namespace
 		"CPL Qualified Debug Store",
 		"Thermal Monitor 2",
 
-		"Altivec"
+		"Altivec",
+        "SSE3S Instructions",
+        "SSE4.1 Instructions",
+        "SSE4.2 Instructions",
+        "SSE4a Instructions",
 	};
 
 	std::string intel_CPUFamilyName(int composed_family) 
@@ -250,6 +258,31 @@ public:
 		return hasExtension(cpu_feature_names[eSSE2_Ext]);
 	}
 
+    bool hasSSE3() const
+    {
+        return hasExtension(cpu_feature_names[eSSE3_Features]);
+    }
+
+    bool hasSSE3S() const
+    {
+        return hasExtension(cpu_feature_names[eSSE3S_Features]);
+    }
+
+    bool hasSSE41() const
+    {
+        return hasExtension(cpu_feature_names[eSSE4_1_Features]);
+    }
+
+    bool hasSSE42() const
+    {
+        return hasExtension(cpu_feature_names[eSSE4_2_Features]);
+    }
+
+    bool hasSSE4a() const
+    {
+        return hasExtension(cpu_feature_names[eSSE4a_Features]);
+    }
+
 	bool hasAltivec() const 
 	{
 		return hasExtension("Altivec"); 
@@ -473,6 +506,12 @@ private:
 		*((int*)(cpu_vendor+4)) = cpu_info[3];
 		*((int*)(cpu_vendor+8)) = cpu_info[2];
 		setInfo(eVendor, cpu_vendor);
+        std::string cmp_vendor(cpu_vendor);
+        bool is_amd = false;
+        if (cmp_vendor == "AuthenticAMD")
+        {
+            is_amd = true;
+        }
 
 		// Get the information associated with each valid Id
 		for(unsigned int i=0; i<=ids; ++i)
@@ -504,6 +543,7 @@ private:
 
 				if(cpu_info[2] & 0x8)
 				{
+                    // intel specific SSE3 suplements
 					setExtension(cpu_feature_names[eMONTIOR_MWAIT]);
 				}
 				
@@ -516,7 +556,22 @@ private:
 				{
 					setExtension(cpu_feature_names[eThermalMonitor2]);
 				}
-						
+
+                if (cpu_info[2] & 0x200)
+                {
+                    setExtension(cpu_feature_names[eSSE3S_Features]);
+                }
+
+                if (cpu_info[2] & 0x80000)
+                {
+                    setExtension(cpu_feature_names[eSSE4_1_Features]);
+                }
+
+                if (cpu_info[2] & 0x100000)
+                {
+                    setExtension(cpu_feature_names[eSSE4_2_Features]);
+                }
+
 				unsigned int feature_info = (unsigned int) cpu_info[3];
 				for(unsigned int index = 0, bit = 1; index < eSSE3_Features; ++index, bit <<= 1)
 				{
@@ -543,8 +598,17 @@ private:
 			__cpuid(cpu_info, i);
 
 			// Interpret CPU brand string and cache information.
-			if  (i == 0x80000002)
-				memcpy(cpu_brand_string, cpu_info, sizeof(cpu_info));
+            if (i == 0x80000001)
+            {
+                if (is_amd)
+                {
+                    setExtension(cpu_feature_names[eSSE4a_Features]);
+                }
+            }
+            else if (i == 0x80000002)
+            {
+                memcpy(cpu_brand_string, cpu_info, sizeof(cpu_info));
+            }
 			else if  (i == 0x80000003)
 				memcpy(cpu_brand_string + 16, cpu_info, sizeof(cpu_info));
 			else if  (i == 0x80000004)
@@ -690,6 +754,41 @@ private:
 		uint64_t ext_feature_info = getSysctlInt64("machdep.cpu.extfeature_bits");
 		S32 *ext_feature_infos = (S32*)(&ext_feature_info);
 		setConfig(eExtFeatureBits, ext_feature_infos[0]);
+
+
+        char cpu_features[1024];
+        len = sizeof(cpu_features);
+        memset(cpu_features, 0, len);
+        sysctlbyname("machdep.cpu.features", (void*)cpu_features, &len, NULL, 0);
+
+        std::string cpu_features_str(cpu_features);
+        cpu_features_str = " " + cpu_features_str + " ";
+
+        if (cpu_features_str.find(" SSE3 ") != std::string::npos)
+        {
+            setExtension(cpu_feature_names[eSSE3_Features]);
+        }
+
+        if (cpu_features_str.find(" SSSE3 ") != std::string::npos)
+        {
+            setExtension(cpu_feature_names[eSSE3S_Features]);
+        }
+
+        if (cpu_features_str.find(" SSE4.1 ") != std::string::npos)
+        {
+            setExtension(cpu_feature_names[eSSE4_1_Features]);
+        }
+
+        if (cpu_features_str.find(" SSE4.2 ") != std::string::npos)
+        {
+            setExtension(cpu_feature_names[eSSE4_2_Features]);
+        }
+
+        if (cpu_features_str.find(" SSE4A ") != std::string::npos)
+        {
+            // Not supposed to happen?
+            setExtension(cpu_feature_names[eSSE4a_Features]);
+        }
 	}
 };
 
@@ -800,6 +899,31 @@ private:
 		{
 			setExtension(cpu_feature_names[eSSE2_Ext]);
 		}
+
+        if (flags.find(" pni ") != std::string::npos)
+        {
+            setExtension(cpu_feature_names[eSSE3_Features]);
+        }
+
+        if (flags.find(" ssse3 ") != std::string::npos)
+        {
+            setExtension(cpu_feature_names[eSSE3S_Features]);
+        }
+
+        if (flags.find(" sse4_1 ") != std::string::npos)
+        {
+            setExtension(cpu_feature_names[eSSE4_1_Features]);
+        }
+
+        if (flags.find(" sse4_2 ") != std::string::npos)
+        {
+            setExtension(cpu_feature_names[eSSE4_2_Features]);
+        }
+
+        if (flags.find(" sse4a ") != std::string::npos)
+        {
+            setExtension(cpu_feature_names[eSSE4a_Features]);
+        }
 	
 # endif // LL_X86
 	}
@@ -860,6 +984,11 @@ LLProcessorInfo::~LLProcessorInfo() {}
 F64MegahertzImplicit LLProcessorInfo::getCPUFrequency() const { return mImpl->getCPUFrequency(); }
 bool LLProcessorInfo::hasSSE() const { return mImpl->hasSSE(); }
 bool LLProcessorInfo::hasSSE2() const { return mImpl->hasSSE2(); }
+bool LLProcessorInfo::hasSSE3() const { return mImpl->hasSSE3(); }
+bool LLProcessorInfo::hasSSE3S() const { return mImpl->hasSSE3S(); }
+bool LLProcessorInfo::hasSSE41() const { return mImpl->hasSSE41(); }
+bool LLProcessorInfo::hasSSE42() const { return mImpl->hasSSE42(); }
+bool LLProcessorInfo::hasSSE4a() const { return mImpl->hasSSE4a(); }
 bool LLProcessorInfo::hasAltivec() const { return mImpl->hasAltivec(); }
 std::string LLProcessorInfo::getCPUFamilyName() const { return mImpl->getCPUFamilyName(); }
 std::string LLProcessorInfo::getCPUBrandName() const { return mImpl->getCPUBrandName(); }
diff --git a/indra/llcommon/llprocessor.h b/indra/llcommon/llprocessor.h
index b77eb22c3a..1a473ddc97 100644
--- a/indra/llcommon/llprocessor.h
+++ b/indra/llcommon/llprocessor.h
@@ -54,6 +54,11 @@ public:
 	F64MegahertzImplicit getCPUFrequency() const;
 	bool hasSSE() const;
 	bool hasSSE2() const;
+    bool hasSSE3() const;
+    bool hasSSE3S() const;
+    bool hasSSE41() const;
+    bool hasSSE42() const;
+    bool hasSSE4a() const;
 	bool hasAltivec() const;
 	std::string getCPUFamilyName() const;
 	std::string getCPUBrandName() const;
diff --git a/indra/llcommon/llsys.cpp b/indra/llcommon/llsys.cpp
index 9b6bb3826c..26a0fa1b1c 100644
--- a/indra/llcommon/llsys.cpp
+++ b/indra/llcommon/llsys.cpp
@@ -597,6 +597,11 @@ LLCPUInfo::LLCPUInfo()
 	// proc.WriteInfoTextFile("procInfo.txt");
 	mHasSSE = proc.hasSSE();
 	mHasSSE2 = proc.hasSSE2();
+    mHasSSE3 = proc.hasSSE3();
+    mHasSSE3S = proc.hasSSE3S();
+    mHasSSE41 = proc.hasSSE41();
+    mHasSSE42 = proc.hasSSE42();
+    mHasSSE4a = proc.hasSSE4a();
 	mHasAltivec = proc.hasAltivec();
 	mCPUMHz = (F64)proc.getCPUFrequency();
 	mFamily = proc.getCPUFamilyName();
@@ -609,6 +614,35 @@ LLCPUInfo::LLCPUInfo()
 	}
 	mCPUString = out.str();
 	LLStringUtil::trim(mCPUString);
+
+    if (mHasSSE)
+    {
+        mSSEVersions.append("1");
+    }
+    if (mHasSSE2)
+    {
+        mSSEVersions.append("2");
+    }
+    if (mHasSSE3)
+    {
+        mSSEVersions.append("3");
+    }
+    if (mHasSSE3S)
+    {
+        mSSEVersions.append("3S");
+    }
+    if (mHasSSE41)
+    {
+        mSSEVersions.append("4.1");
+    }
+    if (mHasSSE42)
+    {
+        mSSEVersions.append("4.2");
+    }
+    if (mHasSSE4a)
+    {
+        mSSEVersions.append("4a");
+    }
 }
 
 bool LLCPUInfo::hasAltivec() const
@@ -626,6 +660,31 @@ bool LLCPUInfo::hasSSE2() const
 	return mHasSSE2;
 }
 
+bool LLCPUInfo::hasSSE3() const
+{
+    return mHasSSE3;
+}
+
+bool LLCPUInfo::hasSSE3S() const
+{
+    return mHasSSE3S;
+}
+
+bool LLCPUInfo::hasSSE41() const
+{
+    return mHasSSE41;
+}
+
+bool LLCPUInfo::hasSSE42() const
+{
+    return mHasSSE42;
+}
+
+bool LLCPUInfo::hasSSE4a() const
+{
+    return mHasSSE4a;
+}
+
 F64 LLCPUInfo::getMHz() const
 {
 	return mCPUMHz;
@@ -636,6 +695,11 @@ std::string LLCPUInfo::getCPUString() const
 	return mCPUString;
 }
 
+const LLSD& LLCPUInfo::getSSEVersions() const
+{
+    return mSSEVersions;
+}
+
 void LLCPUInfo::stream(std::ostream& s) const
 {
 	// gather machine information.
@@ -645,6 +709,11 @@ void LLCPUInfo::stream(std::ostream& s) const
 	// CPU's attributes regardless of platform
 	s << "->mHasSSE:     " << (U32)mHasSSE << std::endl;
 	s << "->mHasSSE2:    " << (U32)mHasSSE2 << std::endl;
+    s << "->mHasSSE3:    " << (U32)mHasSSE3 << std::endl;
+    s << "->mHasSSE3S:    " << (U32)mHasSSE3S << std::endl;
+    s << "->mHasSSE41:    " << (U32)mHasSSE41 << std::endl;
+    s << "->mHasSSE42:    " << (U32)mHasSSE42 << std::endl;
+    s << "->mHasSSE4a:    " << (U32)mHasSSE4a << std::endl;
 	s << "->mHasAltivec: " << (U32)mHasAltivec << std::endl;
 	s << "->mCPUMHz:     " << mCPUMHz << std::endl;
 	s << "->mCPUString:  " << mCPUString << std::endl;
diff --git a/indra/llcommon/llsys.h b/indra/llcommon/llsys.h
index cb92cb0ac6..5ffbf5a732 100644
--- a/indra/llcommon/llsys.h
+++ b/indra/llcommon/llsys.h
@@ -80,10 +80,16 @@ public:
 	void stream(std::ostream& s) const;
 
 	std::string getCPUString() const;
+	const LLSD& getSSEVersions() const;
 
 	bool hasAltivec() const;
 	bool hasSSE() const;
 	bool hasSSE2() const;
+    bool hasSSE3() const;
+    bool hasSSE3S() const;
+    bool hasSSE41() const;
+    bool hasSSE42() const;
+    bool hasSSE4a() const;
 	F64 getMHz() const;
 
 	// Family is "AMD Duron" or "Intel Pentium Pro"
@@ -92,10 +98,16 @@ public:
 private:
 	bool mHasSSE;
 	bool mHasSSE2;
+    bool mHasSSE3;
+    bool mHasSSE3S;
+    bool mHasSSE41;
+    bool mHasSSE42;
+    bool mHasSSE4a;
 	bool mHasAltivec;
 	F64 mCPUMHz;
 	std::string mFamily;
 	std::string mCPUString;
+    LLSD mSSEVersions;
 };
 
 //=============================================================================