// Token: 0x06000028 RID: 40 RVA: 0x00003028 File Offset: 0x00003028
private unsafe void hookEHInfo(IntPtr self, IntPtr ftn, uint EHnumber, A.CORINFO_EH_CLAUSE *clause)
{
bool flag = ftn == this.ftn;
if (flag)
{
*clause = this.clauses[(ulong)EHnumber * (ulong)((long)sizeof(A.CORINFO_EH_CLAUSE)) / (ulong)sizeof(A.CORINFO_EH_CLAUSE)];
}
else
{
this.o_getEHinfo(self, ftn, EHnumber, clause);
}
}
// Token: 0x0600002A RID: 42 RVA: 0x000030A0 File Offset: 0x000030A0
public unsafe static A.CorJitInfoHook Hook(A.ICorJitInfo *comp, IntPtr ftn, A.CORINFO_EH_CLAUSE *clauses)
{
IntPtr *vfptr = comp->vfptr;
IntPtr *ptr = (IntPtr *)((void *)Marshal.AllocHGlobal(158 * IntPtr.Size));
for (int i = 0; i < 158; i++)
{
ptr[i] = vfptr[i];
}
A.CorJitInfoHook corJitInfoHook = new A.CorJitInfoHook
{
ftn = ftn,
info = comp,
clauses = clauses,
newVfTbl = ptr,
oldVfTbl = vfptr
};
corJitInfoHook.n_getEHinfo = new A.getEHinfo(corJitInfoHook.hookEHInfo);
corJitInfoHook.o_getEHinfo = (A.getEHinfo)Marshal.GetDelegateForFunctionPointer(vfptr[8], typeof(A.getEHinfo));
ptr[8] = Marshal.GetFunctionPointerForDelegate <A.getEHinfo>(corJitInfoHook.n_getEHinfo);
comp->vfptr = ptr;
return(corJitInfoHook);
}
// Token: 0x06000025 RID: 37 RVA: 0x00002E60 File Offset: 0x00002E60
public unsafe static A.CorMethodInfoHook Hook(A.ICorJitInfo *comp, IntPtr ftn, A.CORINFO_EH_CLAUSE *clauses)
{
A.ICorMethodInfo *ptr = A.ICorStaticInfo.ICorMethodInfo(A.ICorDynamicInfo.ICorStaticInfo(A.ICorJitInfo.ICorDynamicInfo(comp)));
IntPtr * vfptr = ptr->vfptr;
IntPtr * ptr2 = (IntPtr *)((void *)Marshal.AllocHGlobal(27 * IntPtr.Size));
for (int i = 0; i < 27; i++)
{
ptr2[i * sizeof(IntPtr) / sizeof(IntPtr)] = vfptr[i * sizeof(IntPtr) / sizeof(IntPtr)];
}
bool flag = A.CorMethodInfoHook.ehNum == -1;
if (flag)
{
for (int j = 0; j < 27; j++)
{
bool flag2 = true;
byte *ptr3 = (byte *)((void *)vfptr[j * sizeof(IntPtr) / sizeof(IntPtr)]);
while (*ptr3 != 233)
{
bool flag3 = (IntPtr.Size == 8) ? (*ptr3 == 72 && ptr3[1] == 129 && ptr3[2] == 233) : (*ptr3 == 131 && ptr3[1] == 233);
if (flag3)
{
flag2 = false;
break;
}
ptr3++;
}
bool flag4 = flag2;
if (flag4)
{
A.CorMethodInfoHook.ehNum = j;
break;
}
}
}
A.CorMethodInfoHook corMethodInfoHook = new A.CorMethodInfoHook
{
ftn = ftn,
info = ptr,
clauses = clauses,
newVfTbl = ptr2,
oldVfTbl = vfptr
};
corMethodInfoHook.n_getEHinfo = new A.getEHinfo(corMethodInfoHook.hookEHInfo);
corMethodInfoHook.o_getEHinfo = (A.getEHinfo)Marshal.GetDelegateForFunctionPointer(vfptr[A.CorMethodInfoHook.ehNum * sizeof(IntPtr) / sizeof(IntPtr)], typeof(A.getEHinfo));
ptr2[A.CorMethodInfoHook.ehNum * sizeof(IntPtr) / sizeof(IntPtr)] = Marshal.GetFunctionPointerForDelegate <A.getEHinfo>(corMethodInfoHook.n_getEHinfo);
ptr->vfptr = ptr2;
return(corMethodInfoHook);
}
