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MSIL 指令列表

This is a list of the instructions in the instruction set of the Common Intermediate Language bytecode.

Opcode

Instruction

Description

0x58

add

Add two values, returning a new value.

0xD6

add.ovf

Add signed integer values with overflow check.

0xD7

add.ovf.un

Add unsigned integer values with overflow check.

0x5F
and

Bitwise AND of two integral values, returns an integral value.

0xFE 0x00
arglist

Return argument list handle for the current method.

0x3B
beq <int32 (target)>

Branch to target if equal.

0x2E
beq.s <int8 (target)>

Branch to target if equal, short form.

0x3C
bge <int32 (target)>

Branch to target if greater than or equal to.

0x2F
bge.s <int8 (target)>

Branch to target if greater than or equal to, short form.

0x41
bge.un <int32 (target)>

Branch to target if greater than or equal to (unsigned or unordered).

0x34
bge.un.s <int8 (target)>

Branch to target if greater than or equal to (unsigned or unordered), short form

0x3D
bgt <int32 (target)>

Branch to target if greater than.

0x30
bgt.s <int8 (target)>

Branch to target if greater than, short form.

0x42
bgt.un <int32 (target)>

Branch to target if greater than (unsigned or unordered).

0x35
bgt.un.s <int8 (target)>

Branch to target if greater than (unsigned or unordered), short form.

0x3E
ble <int32 (target)>

Branch to target if less than or equal to.

0x31
ble.s <int8 (target)>

Branch to target if less than or equal to, short form.

0x43
ble.un <int32 (target)>

Branch to target if less than or equal to (unsigned or unordered).

0x36
ble.un.s <int8 (target)>

Branch to target if less than or equal to (unsigned or unordered), short form

0x3F
blt <int32 (target)>

Branch to target if less than.

0x32
blt.s <int8 (target)>

Branch to target if less than, short form.

0x44
blt.un <int32 (target)>

Branch to target if less than (unsigned or unordered).

0x37
blt.un.s <int8 (target)>

Branch to target if less than (unsigned or unordered), short form.

0x40
bne.un <int32 (target)>

Branch to target if unequal or unordered.

0x33
bne.un.s <int8 (target)>

Branch to target if unequal or unordered, short form.

0x8C
box <typeTok>

Convert a boxable value to its boxed form

0x38
br <int32 (target)>

Branch to target.

0x2B
br.s <int8 (target)>

Branch to target, short form.

0x01
break

Inform a debugger that a breakpoint has been reached.

0x39
brfalse <int32 (target)>

Branch to target if value is zero (false).

0x2C
brfalse.s <int8 (target)>

Branch to target if value is zero (false), short form.

0x3A
brinst <int32 (target)>

Branch to target if value is a non-null object reference (alias for brtrue).

0x2D
brinst.s <int8 (target)>

Branch to target if value is a non-null object reference, short form (alias for brtrue.s).

0x39
brnull <int32 (target)>

Branch to target if value is null (alias for brfalse).

0x2C
brnull.s <int8 (target)>

Branch to target if value is null (alias for brfalse.s), short form.

0x3A
brtrue <int32 (target)>

Branch to target if value is non-zero (true).

0x2D
brtrue.s <int8 (target)>

Branch to target if value is non-zero (true), short form.

0x39
brzero <int32 (target)>

Branch to target if value is zero (alias for brfalse).

0x2C
brzero.s <int8 (target)>

Branch to target if value is zero (alias for brfalse.s), short form.

0x28
call <method>

Call method described by method.

0x29
calli <callsitedescr>

Call method indicated on the stack with arguments described by callsitedescr.

0x6F
callvirt <method>

Call a method associated with an object.

0x74
castclass <class>

Cast obj to class.

0xFE 0x01
ceq

Push 1 (of type int32) if value1 equals value2, else push 0.

0xFE 0x02
cgt

Push 1 (of type int32) if value1 > value2, else push 0.

0xFE 0x03
cgt.un

Push 1 (of type int32) if value1 > value2, unsigned or unordered, else push 0.

0xC3
ckfinite

Throw ArithmeticException if value is not a finite number.

0xFE 0x04
clt

Push 1 (of type int32) if value1 < value2, else push 0.

0xFE 0x05
clt.un

Push 1 (of type int32) if value1 < value2, unsigned or unordered, else push 0.

0xFE 0x16
constrained. <thisType>

Call a virtual method on a type constrained to be type T

0xD3
conv.i

Convert to native int, pushing native int on stack.

0x67
conv.i1

Convert to int8, pushing int32 on stack.

0x68
conv.i2

Convert to int16, pushing int32 on stack.

0x69
conv.i4

Convert to int32, pushing int32 on stack.

0x6A
conv.i8

Convert to int64, pushing int64 on stack.

0xD4
conv.ovf.i

Convert to a native int (on the stack as native int) and throw an exception on overflow.

0x8A
conv.ovf.i.un

Convert unsigned to a native int (on the stack as native int) and throw an exception on overflow.

0xB3
conv.ovf.i1

Convert to an int8 (on the stack as int32) and throw an exception on overflow.

0x82
conv.ovf.i1.un

Convert unsigned to an int8 (on the stack as int32) and throw an exception on overflow.

0xB5
conv.ovf.i2

Convert to an int16 (on the stack as int32) and throw an exception on overflow.

0x83
conv.ovf.i2.un

Convert unsigned to an int16 (on the stack as int32) and throw an exception on overflow.

0xB7
conv.ovf.i4

Convert to an int32 (on the stack as int32) and throw an exception on overflow.

0x84
conv.ovf.i4.un

Convert unsigned to an int32 (on the stack as int32) and throw an exception on overflow.

0xB9
conv.ovf.i8

Convert to an int64 (on the stack as int64) and throw an exception on overflow.

0x85
conv.ovf.i8.un

Convert unsigned to an int64 (on the stack as int64) and throw an exception on overflow.

0xD5
conv.ovf.u

Convert to a native unsigned int (on the stack as native int) and throw an exception on overflow.

0x8B
conv.ovf.u.un

Convert unsigned to a native unsigned int (on the stack as native int) and throw an exception on overflow.

0xB4
conv.ovf.u1

Convert to an unsigned int8 (on the stack as int32) and throw an exception on overflow.

0x86
conv.ovf.u1.un

Convert unsigned to an unsigned int8 (on the stack as int32) and throw an exception on overflow.

0xB6
conv.ovf.u2

Convert to an unsigned int16 (on the stack as int32) and throw an exception on overflow.

0x87
conv.ovf.u2.un

Convert unsigned to an unsigned int16 (on the stack as int32) and throw an exception on overflow.

0xB8
conv.ovf.u4

Convert to an unsigned int32 (on the stack as int32) and throw an exception on overflow.

0x88
conv.ovf.u4.un

Convert unsigned to an unsigned int32 (on the stack as int32) and throw an exception on overflow.

0xBA
conv.ovf.u8

Convert to an unsigned int64 (on the stack as int64) and throw an exception on overflow.

0x89
conv.ovf.u8.un

Convert unsigned to an unsigned int64 (on the stack as int64) and throw an exception on overflow.

0x76
conv.r.un

Convert unsigned integer to floating-point, pushing F on stack.

0x6B
conv.r4

Convert to float32, pushing F on stack.

0x6C
conv.r8

Convert to float64, pushing F on stack.

0xE0
conv.u

Convert to native unsigned int, pushing native int on stack.

0xD2
conv.u1

Convert to unsigned int8, pushing int32 on stack.

0xD1
conv.u2

Convert to unsigned int16, pushing int32 on stack.

0x6D
conv.u4

Convert to unsigned int32, pushing int32 on stack.

0x6E
conv.u8

Convert to unsigned int64, pushing int64 on stack.

0xFE 0x17
cpblk

Copy data from memory to memory.

0x70
cpobj <typeTok>

Copy a value type from src to dest.

0x5B
div

Divide two values to return a quotient or floating-point result.

0x5C
div.un

Divide two values, unsigned, returning a quotient.

0x25
dup

Duplicate the value on the top of the stack.

0xDC
endfault

End fault clause of an exception block.

0xFE 0x11
endfilter

End an exception handling filter clause.

0xDC
endfinally

End finally clause of an exception block.

0x4C
idind.u8

Indirect load value of type unsigned int64 as int64 on the stack (alias for ldind.i8).

0xFE 0x18
initblk

Set all bytes in a block of memory to a given byte value.

0xFE 0x15
initobj <typeTok>

Initialize the value at address dest.

0x75
isinst <class>

Test if obj is an instance of class, returning null or an instance of that class or interface.

0x27
jmp <method>

Exit current method and jump to the specified method.

0xFE 0x09
ldarg <uint16 (num)>

Load argument numbered num onto the stack.

0x02
ldarg.0

Load argument 0 onto the stack.

0x03
ldarg.1

Load argument 1 onto the stack.

0x04
ldarg.2

Load argument 2 onto the stack.

0x05
ldarg.3

Load argument 3 onto the stack.

0x0E
ldarg.s <uint8 (num)>

Load argument numbered num onto the stack, short form.

0xFE 0x0A
ldarga <uint16 (argNum)>

Fetch the address of argument argNum.

0x0F
ldarga.s <uint8 (argNum)>

Fetch the address of argument argNum, short form.

0x20
ldc.i4 <int32 (num)>

Push num of type int32 onto the stack as int32.

0x16
ldc.i4.0

Push 0 onto the stack as int32.

0x17
ldc.i4.1

Push 1 onto the stack as int32.

0x18
ldc.i4.2

Push 2 onto the stack as int32.

0x19
ldc.i4.3

Push 3 onto the stack as int32.

0x1A
ldc.i4.4

Push 4 onto the stack as int32.

0x1B
ldc.i4.5

Push 5 onto the stack as int32.

0x1C
ldc.i4.6

Push 6 onto the stack as int32.

0x1D
ldc.i4.7

Push 7 onto the stack as int32.

0x1E
ldc.i4.8

Push 8 onto the stack as int32.

0x15
ldc.i4.m1

Push -1 onto the stack as int32.

0x15
ldc.i4.M1

Push -1 of type int32 onto the stack as int32 (alias for ldc.i4.m1).

0x1F
ldc.i4.s <int8 (num)>

Push num onto the stack as int32, short form.

0x21
ldc.i8 <int64 (num)>

Push num of type int64 onto the stack as int64.

0x22
ldc.r4 <float32 (num)>

Push num of type float32 onto the stack as F.

0x23
ldc.r8 <float64 (num)>

Push num of type float64 onto the stack as F.

0xA3
ldelem <typeTok>

Load the element at index onto the top of the stack.

0x97
ldelem.i

Load the element with type native int at index onto the top of the stack as a native int.

0x90
ldelem.i1

Load the element with type int8 at index onto the top of the stack as an int32.

0x92
ldelem.i2

Load the element with type int16 at index onto the top of the stack as an int32.

0x94
ldelem.i4

Load the element with type int32 at index onto the top of the stack as an int32.

0x96
ldelem.i8

Load the element with type int64 at index onto the top of the stack as an int64.

0x98
ldelem.r4

Load the element with type float32 at index onto the top of the stack as an F

0x99
ldelem.r8

Load the element with type float64 at index onto the top of the stack as an F.

0x9A
ldelem.ref

Load the element at index onto the top of the stack as an O. The type of the O is the same as the element type of the array pushed on the CIL stack.

0x91
ldelem.u1

Load the element with type unsigned int8 at index onto the top of the stack as an int32.

0x93
ldelem.u2

Load the element with type unsigned int16 at index onto the top of the stack as an int32.

0x95
ldelem.u4

Load the element with type unsigned int32 at index onto the top of the stack as an int32.

0x96
ldelem.u8

Load the element with type unsigned int64 at index onto the top of the stack as an int64 (alias for ldelem.i8).

0x8F
ldelema <class>

Load the address of element at index onto the top of the stack.

0x7B
ldfld <field>

Push the value of field of object (or value type) obj, onto the stack.

0x7C
ldflda <field>

Push the address of field of object obj on the stack.

0xFE 0x06
ldftn <method>

Push a pointer to a method referenced by method, on the stack.

0x4D
ldind.i

Indirect load value of type native int as native int on the stack

0x46
ldind.i1

Indirect load value of type int8 as int32 on the stack.

0x48
ldind.i2

Indirect load value of type int16 as int32 on the stack.

0x4A
ldind.i4

Indirect load value of type int32 as int32 on the stack.

0x4C
ldind.i8

Indirect load value of type int64 as int64 on the stack.

0x4E
ldind.r4

Indirect load value of type float32 as F on the stack.

0x4F
ldind.r8

Indirect load value of type float64 as F on the stack.

0x50
ldind.ref

Indirect load value of type object ref as O on the stack.

0x47
ldind.u1

Indirect load value of type unsigned int8 as int32 on the stack

0x49
ldind.u2

Indirect load value of type unsigned int16 as int32 on the stack

0x4B
ldind.u4

Indirect load value of type unsigned int32 as int32 on the stack

0x8E
ldlen

Push the length (of type native unsigned int) of array on the stack.

0xFE 0x0C
ldloc <uint16 (indx)>

Load local variable of index indx onto stack.

0x06
ldloc.0

Load local variable 0 onto stack.

0x07
ldloc.1

Load local variable 1 onto stack.

0x08
ldloc.2

Load local variable 2 onto stack.

0x09
ldloc.3

Load local variable 3 onto stack.

0x11
ldloc.s <uint8 (indx)>

Load local variable of index indx onto stack, short form.

0xFE 0x0D
ldloca <uint16 (indx)>

Load address of local variable with index indx.

0x12
ldloca.s <uint8 (indx)>

Load address of local variable with index indx, short form.

0x14
ldnull

Push a null reference on the stack.

0x71
ldobj <typeTok>

Copy the value stored at address src to the stack.

0x7E
ldsfld <field>

Push the value of field on the stack.

0x7F
ldsflda <field>

Push the address of the static field, field, on the stack.

0x72
ldstr <string>

Push a string object for the literal string.

0xD0
ldtoken <token>

Convert metadata token to its runtime representation.

0xFE 0x07
ldvirtftn <method>

Push address of virtual method on the stack.

0xDD
leave <int32 (target)>

Exit a protected region of code.

0xDE
leave.s <int8 (target)>

Exit a protected region of code, short form.

0xFE 0x0F
localloc

Allocate space from the local memory pool.

0xC6
mkrefany <class>

Push a typed reference to ptr of type class onto the stack.

0x5A
mul

Multiply values.

0xD8
mul.ovf

Multiply signed integer values. Signed result shall fit in same size

0xD9
mul.ovf.un

Multiply unsigned integer values. Unsigned result shall fit in same size

0x65
neg

Negate value.

0x8D
newarr <etype>

Create a new array with elements of type etype.

0x73
newobj <ctor>

Allocate an uninitialized object or value type and call ctor.

0xFE 0x19
no. { typecheck, rangecheck, nullcheck }

The specified fault check(s) normally performed as part of the execution of the subsequent instruction can/shall be skipped.

0x00
nop

Do nothing (No operation).

0x66
not

Bitwise complement (logical not).

0x60
or

Bitwise OR of two integer values, returns an integer.

0x26
pop

Pop value from the stack.

0xFE 0x1E
readonly.

Specify that the subsequent array address operation performs no type check at runtime, and that it returns a controlled-mutability managed pointer

0xFE 0x1D
refanytype

Push the type token stored in a typed reference.

0xC2
refanyval <type>

Push the address stored in a typed reference.

0x5D
rem

Remainder when dividing one value by another.

0x5E
rem.un

Remainder when dividing one unsigned value by another.

0x2A
ret

Return from method, possibly with a value.

0xFE 0x1A
rethrow

Rethrow the current exception.

0x62
shl

Shift an integer left (shifting in zeros), return an integer.

0x63
shr

Shift an integer right (shift in sign), return an integer.

0x64
shr.un

Shift an integer right (shift in zero), return an integer.

0xFE 0x1C
sizeof <typeTok>

Push the size, in bytes, of a type as an unsigned int32.

0xFE 0x0B
starg <uint16 (num)>

Store value to the argument numbered num.

0x10
starg.s <uint8 (num)>

Store value to the argument numbered num, short form.

0xA4
stelem <typeTok>

Replace array element at index with the value on the stack

0x9B
stelem.i

Replace array element at index with the i value on the stack.

0x9C
stelem.i1

Replace array element at index with the int8 value on the stack.

0x9D
stelem.i2

Replace array element at index with the int16 value on the stack.

0x9E
stelem.i4

Replace array element at index with the int32 value on the stack.

0x9F
stelem.i8

Replace array element at index with the int64 value on the stack.

0xA0
stelem.r4

Replace array element at index with the float32 value on the stack.

0xA1
stelem.r8

Replace array element at index with the float64 value on the stack.

0xA2
stelem.ref

Replace array element at index with the ref value on the stack.

0x7D
stfld <field>

Replace the value of field of the object obj with value.

0xDF
stind.i

Store value of type native int into memory at address

0x52
stind.i1

Store value of type int8 into memory at address

0x53
stind.i2

Store value of type int16 into memory at address

0x54
stind.i4

Store value of type int32 into memory at address

0x55
stind.i8

Store value of type int64 into memory at address

0x56
stind.r4

Store value of type float32 into memory at address

0x57
stind.r8

Store value of type float64 into memory at address

0x51
stind.ref

Store value of type object ref (type O) into memory at address

0xFE 0x0E
stloc <uint16 (indx)>

Pop a value from stack into local variable indx.

0x0A
stloc.0

Pop a value from stack into local variable 0.

0x0B
stloc.1

Pop a value from stack into local variable 1.

0x0C
stloc.2

Pop a value from stack into local variable 2.

0x0D
stloc.3

Pop a value from stack into local variable 3.

0x13
stloc.s <uint8 (indx)>

Pop a value from stack into local variable indx, short form.

0x81
stobj <typeTok>

Store a value of type typeTok at an address.

0x80
stsfld <field>

Replace the value of field with val.

0x59
sub

Subtract value2 from value1, returning a new value.

0xDA
sub.ovf

Subtract native int from a native int. Signed result shall fit in same size

0xDB
sub.ovf.un

Subtract native unsigned int from a native unsigned int. Unsigned result shall fit in same size.

0x45
switch <uint32, int32,int32 (t1..tN)>

Jump to one of n values.

0xFE 0x14
tail.

Subsequent call terminates current method

0x7A
throw

Throw an exception.

0xFE 0x12
unaligned. (alignment)

Subsequent pointer instruction might be unaligned.

0x79
unbox <valuetype>

Extract a value-type from obj, its boxed representation.

0xA5
unbox.any <typeTok>

Extract a value-type from obj, its boxed representation

0xFE 0x13
volatile.

Subsequent pointer reference is volatile.

0x61
xor

Bitwise XOR of integer values, returns an integer.

Reference : List of CIL instructions