Well, it actually failed on everything I tried. Here is exactly what I did:
I was using the following compiler:
C:\yuan\proj\rotor>cl
Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 13.10.3077 for 80x86
Copyright (C) Microsoft Corporation 1984-2002. All rights reserved.
In inc\corinfo.h, I added CORINFO_HELP_MY_TEST right afer
CORINFO_HELP_MEMCPY in CorInfoHelpFunc.
In vm\jitinterface.cpp,
- after the following line:
FCDECL2(double, JIT_DoubleDiv, double a, double b);
I added:
FCDECL1(void, JIT_MyTest, void* arg);
- after the following line:
JITHELPER(CORINFO_HELP_MEMCPY, NULL )
I added:
JITHELPER(CORINFO_HELP_MY_TEST, JIT_MyTest )
- after the definition of JIT_NewArr1, I added:
HCIMPL1(void, JIT_MyTest, void* arg)
{
HELPER_METHOD_FRAME_BEGIN_0();
printf("My test to print stack trace.\n");
void PrintStackTraceToStdout();
PrintStackTraceToStdout();
HELPER_METHOD_FRAME_END();
}
HCIMPLEND
In fjit\fjitcompiler.cpp,
- after the following line:
void (jit_call *FJit_pHlpVerification) (int offset);
I added:
void (jit_call *FJit_pHlpMyTest) (void* arg);
- after the folling line:
if (!FJit_pHlpAssign_Ref) return false;
I added:
FJit_pHlpMyTest = (void (jit_call *)(void *arg))
(jitInfo->getHelperFtn(CORINFO_HELP_MY_TEST));
if (!FJit_pHlpMyTest) return false;
In fjit\fjit.h, after the following line:
extern void (jit_call *FJit_pHlpVerification) (int offset);
I added:
extern void (jit_call *FJit_pHlpMyTest) (void *arg);
In fjit\fjitdef.h, I added a call to FJit_pHlpMyTest in
HELPER_CALL STFLD_I4_helper:
void HELPER_CALL STFLD_I4_helper(unsigned int offset, int val,
CORINFO_Object* or_obj) {
if (or_obj == NULL) {
THROW_FROM_HELPER(CORINFO_NullReferenceException);
}
// added to print stack trace:
FJit_pHlpMyTest(NULL);
*((int*) ((char*)(or_obj)+offset)) = val;
}
With these changes, it recompiled successfully. I then tried it on the
following example:
using System;
class Test
{
public static void Main()
{
int x = 7;
x = 17;
Console.WriteLine(x);
}
}
It failed with the following error message:
C:\yuan\proj\rotor\csharp>csc /debug Test.cs
Microsoft (R) Visual C# Shared Source CLI Compiler version 1.0.0003
for Microsoft (R) Shared Source CLI version 1.0.0
Copyright (C) Microsoft Corporation 2002. All rights reserved.
C:\yuan\proj\rotor\csharp>clix Test
My test to print stack trace.
Assert failure(PID 5300 [0x000014b4], Thread: 2760 [0xac8]): !"Bad opcode"
File: c:\yuan\proj\rotor\sscli-0\clr\src\vm\rotor_x86
\../i386/gmsx86.cpp, Li
ne: 533 Image:
C:\yuan\proj\rotor\sscli-0\build\v1.x86chk.rotor\clix.exe
Any help would be greatly appreciated.
Thanks,
-Yuan
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