freebsd-dev/contrib/bearssl/T0/CodeElementUIntExpr.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

67 lines
1.9 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;
class CodeElementUIntExpr : CodeElement {
uint val;
TPointerExpr cx;
int off;
internal CodeElementUIntExpr(uint val,
TPointerExpr cx, int off) : base()
{
this.val = val;
this.cx = cx;
this.off = off;
}
/* obsolete
internal override int Length {
get {
return Encode7EUnsigned(val, null)
+ (cx.GetMaxBitLength(off) + 6) / 7;
}
}
*/
internal override int GetLength(bool oneByteCode)
{
int len = oneByteCode ? 1 : Encode7EUnsigned(val, null);
return len + (cx.GetMaxBitLength(off) + 6) / 7;
}
internal override int Encode(BlobWriter bw, bool oneByteCode)
{
int len1 = oneByteCode
? EncodeOneByte(val, bw)
: Encode7EUnsigned(val, bw);
int len2 = (cx.GetMaxBitLength(off) + 6) / 7;
bw.Append(String.Format("T0_INT{0}({1})",
len2, cx.ToCExpr(off)));
return len1 + len2;
}
}