Add a syscall.name expression function

src/dbg/expressionfunctions.cpp

@@ -169,6 +169,8 @@ void ExpressionFunctions::Init()
     ExpressionFunctions::Register("streq", ValueTypeNumber, { ValueTypeString, ValueTypeString }, Exprfunc::streq);
     ExpressionFunctions::Register("strieq", ValueTypeNumber, { ValueTypeString, ValueTypeString }, Exprfunc::strieq);
     ExpressionFunctions::Register("strlen", ValueTypeNumber, { ValueTypeString }, Exprfunc::strlen);
+
+    ExpressionFunctions::Register("syscall.name", ValueTypeString, { ValueTypeNumber }, Exprfunc::syscall_name);
 }
 
 bool ExpressionFunctions::Register(const String & name, const ValueType & returnType, const std::vector<ValueType> & argTypes, const CBEXPRESSIONFUNCTION & cbFunction, void* userdata)

src/dbg/exprfunc.cpp

@@ -11,6 +11,7 @@
 #include "value.h"
 #include "TraceRecord.h"
 #include "exhandlerinfo.h"
+#include "exception.h"
 #include <vector>
 #include <regex>
 #include <string>
@@ -812,4 +813,10 @@ namespace Exprfunc
     {
         return utf16<true>(result, argc, argv, userdata);
     }
+
+    bool syscall_name(ExpressionValue* result, int argc, const ExpressionValue* argv, void* userdata)
+    {
+        *result = ValueString(SyscallToName(argv[0].number));
+        return true;
+    }
 }

src/dbg/exprfunc.h

@@ -101,4 +101,6 @@ namespace Exprfunc
     bool utf8_strict(ExpressionValue* result, int argc, const ExpressionValue* argv, void* userdata);
     bool utf16(ExpressionValue* result, int argc, const ExpressionValue* argv, void* userdata);
     bool utf16_strict(ExpressionValue* result, int argc, const ExpressionValue* argv, void* userdata);
+
+    bool syscall_name(ExpressionValue* result, int argc, const ExpressionValue* argv, void* userdata);
 }