[riscv64]Increase the number of args supported by the simulator to 20

Port 4de20cb1

Change-Id: I8801bbcf9647c1abcb9cc5fb41720009e002d153
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3257964
Commit-Queue: Yahan Lu <yahan@iscas.ac.cn>
Commit-Queue: ji qiu <qiuji@iscas.ac.cn>
Auto-Submit: Yahan Lu <yahan@iscas.ac.cn>
Reviewed-by: ji qiu <qiuji@iscas.ac.cn>
Cr-Commit-Position: refs/heads/main@{#77667}

src/execution/riscv64/simulator-riscv64.cc

@@ -2191,11 +2191,11 @@ void Simulator::Format(Instruction* instr, const char* format) {
 // calls return 64 bits of result. If they don't, the a1 result register
 // contains a bogus value, which is fine because it is caller-saved.
 
-using SimulatorRuntimeCall = ObjectPair (*)(int64_t arg0, int64_t arg1,
-                                            int64_t arg2, int64_t arg3,
-                                            int64_t arg4, int64_t arg5,
-                                            int64_t arg6, int64_t arg7,
-                                            int64_t arg8, int64_t arg9);
+using SimulatorRuntimeCall = ObjectPair (*)(
+    int64_t arg0, int64_t arg1, int64_t arg2, int64_t arg3, int64_t arg4,
+    int64_t arg5, int64_t arg6, int64_t arg7, int64_t arg8, int64_t arg9,
+    int64_t arg10, int64_t arg11, int64_t arg12, int64_t arg13, int64_t arg14,
+    int64_t arg15, int64_t arg16, int64_t arg17, int64_t arg18, int64_t arg19);
 
 // These prototypes handle the four types of FP calls.
 using SimulatorRuntimeCompareCall = int64_t (*)(double darg0, double darg1);
@@ -2226,17 +2226,27 @@ void Simulator::SoftwareInterrupt() {
 
     int64_t* stack_pointer = reinterpret_cast<int64_t*>(get_register(sp));
 
-    int64_t arg0 = get_register(a0);
-    int64_t arg1 = get_register(a1);
-    int64_t arg2 = get_register(a2);
-    int64_t arg3 = get_register(a3);
-    int64_t arg4 = get_register(a4);
-    int64_t arg5 = get_register(a5);
-    int64_t arg6 = get_register(a6);
-    int64_t arg7 = get_register(a7);
-    int64_t arg8 = stack_pointer[0];
-    int64_t arg9 = stack_pointer[1];
-    STATIC_ASSERT(kMaxCParameters == 10);
+    const int64_t arg0 = get_register(a0);
+    const int64_t arg1 = get_register(a1);
+    const int64_t arg2 = get_register(a2);
+    const int64_t arg3 = get_register(a3);
+    const int64_t arg4 = get_register(a4);
+    const int64_t arg5 = get_register(a5);
+    const int64_t arg6 = get_register(a6);
+    const int64_t arg7 = get_register(a7);
+    const int64_t arg8 = stack_pointer[0];
+    const int64_t arg9 = stack_pointer[1];
+    const int64_t arg10 = stack_pointer[2];
+    const int64_t arg11 = stack_pointer[3];
+    const int64_t arg12 = stack_pointer[4];
+    const int64_t arg13 = stack_pointer[5];
+    const int64_t arg14 = stack_pointer[6];
+    const int64_t arg15 = stack_pointer[7];
+    const int64_t arg16 = stack_pointer[8];
+    const int64_t arg17 = stack_pointer[9];
+    const int64_t arg18 = stack_pointer[10];
+    const int64_t arg19 = stack_pointer[11];
+    STATIC_ASSERT(kMaxCParameters == 20);
 
     bool fp_call =
         (redirection->type() == ExternalReference::BUILTIN_FP_FP_CALL) ||
@@ -2395,13 +2405,18 @@ void Simulator::SoftwareInterrupt() {
             "Call to host function %s at %p "
             "args %08" PRIx64 " , %08" PRIx64 " , %08" PRIx64 " , %08" PRIx64
             " , %08" PRIx64 " , %08" PRIx64 " , %08" PRIx64 " , %08" PRIx64
-            " , %08" PRIx64 " , %08" PRIx64 " \n",
+            " , %08" PRIx64 " , %08" PRIx64 " , %016" PRIx64
+            " , %016" PRIx64 " , %016" PRIx64 " , %016" PRIx64
+            " , %016" PRIx64 " , %016" PRIx64 " , %016" PRIx64
+            " , %016" PRIx64 " , %016" PRIx64 " , %016" PRIx64 " \n",
             ExternalReferenceTable::NameOfIsolateIndependentAddress(pc),
             reinterpret_cast<void*>(FUNCTION_ADDR(target)), arg0, arg1, arg2,
-            arg3, arg4, arg5, arg6, arg7, arg8, arg9);
+            arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12,
+            arg13, arg14, arg15, arg16, arg17, arg18, arg19);
       }
-      ObjectPair result =
-          target(arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9);
+      ObjectPair result = target(arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7,
+                              arg8, arg9, arg10, arg11, arg12, arg13, arg14,
+                              arg15, arg16, arg17, arg18, arg19);
       set_register(a0, (int64_t)(result.x));
       set_register(a1, (int64_t)(result.y));
     }