freebsd-skq/contrib/bearssl/T0/OpcodeJumpIfNot.cs
Simon J. Gerraty 0957b409a9 Add libbearssl
Disabled by default, used by loader and sbin/veriexec

Reviewed by:	emaste
Sponsored by:	Juniper Networks
Differential Revision: D16334
2019-02-26 05:59:22 +00:00

66 lines
1.7 KiB
C#

/*
* Copyright (c) 2016 Thomas Pornin <pornin@bolet.org>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
using System;
using System.Collections.Generic;
class OpcodeJumpIfNot : OpcodeJump {
internal OpcodeJumpIfNot() : base()
{
}
internal OpcodeJumpIfNot(int disp) : base(disp)
{
}
internal override void Run(CPU cpu)
{
TValue v = cpu.Pop();
if (!v.Bool) {
base.Run(cpu);
}
}
internal override int StackAction {
get {
return -1;
}
}
internal override CodeElement ToCodeElement()
{
return new CodeElementJump(6);
}
public override string ToString()
{
if (JumpDisp == Int32.MinValue) {
return "jumpifnot UNRESOLVED";
} else {
return "jumpifnot disp=" + JumpDisp;
}
}
}