callback.il

< Microsoft .NET IL汇编语言程序设计>>书上的源程序

// Necessary preliminaries
.assembly extern mscorlib {}
.assembly callback { }
.module callback.exe

// Here is the unsorted data we want to sort. With minor improvements,
// I could make the data to be received from a file or the console,
// but it would not serve any illustrative purpose.
// Feel free to try modifying the code in this aspect.

.class private value explicit sealed SixtyBytes { .pack 1 .size 60 }
.field public static valuetype SixtyBytes DataToSort at D_0001
.data D_0001 = {int32(10), int32(32), int32(-1), int32(567),
  int32(3), int32(18), int32(1), int32(-51), int32(789), int32(2345),
  int32(-43), int32(788), int32(-345), int32(345), int32(0)}

// To show that the sorting really happens, I am going to print
// out data before and after the sorting. Rather than using the
// [mscorlib]System.Console::WriteLine, I will P/Invoke the C 
// function int printf(char* Format,...)

.method public hidebysig static pinvokeimpl("msvcrt.dll" ansi cdecl) 
	vararg int32 printf(string) cil managed preservesig {}

// And this is a managed printing method, invoking the printf.

.method public static void printInt32(void* pBuff, int32 N)
{
  .locals init(int32 i, void* pb)
  // i = 1;
  ldc.i4.1
  stloc.0
  // pb = pBuff;
  ldarg.0
  stloc.1

  Next:    // if(i > N) goto Return;
  ldloc.0
  ldarg.1
  bgt Return

  // printf(