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Clean tukaani.xz

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huangyuhui
2016-01-26 20:54:52 +08:00
parent fee3e5251d
commit d2162f31e4
31 changed files with 1 additions and 4616 deletions
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49
HMCLAPI/src/main/java/org/tukaani/xz/simple/ARM.java
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@@ -1,49 +0,0 @@
/*
* BCJ filter for little endian ARM instructions
*
* Authors: Lasse Collin <lasse.collin@tukaani.org>
* Igor Pavlov <http://7-zip.org/>
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*/
package org.tukaani.xz.simple;
public final class ARM implements SimpleFilter {
private final boolean isEncoder;
private int pos;
public ARM(boolean isEncoder, int startPos) {
this.isEncoder = isEncoder;
pos = startPos + 8;
}
public int code(byte[] buf, int off, int len) {
int end = off + len - 4;
int i;
for (i = off; i <= end; i += 4)
if ((buf[i + 3] & 0xFF) == 0xEB) {
int src = ((buf[i + 2] & 0xFF) << 16)
| ((buf[i + 1] & 0xFF) << 8)
| (buf[i] & 0xFF);
src <<= 2;
int dest;
if (isEncoder)
dest = src + (pos + i - off);
else
dest = src - (pos + i - off);
dest >>>= 2;
buf[i + 2] = (byte) (dest >>> 16);
buf[i + 1] = (byte) (dest >>> 8);
buf[i] = (byte) dest;
}
i -= off;
pos += i;
return i;
}
}

52
HMCLAPI/src/main/java/org/tukaani/xz/simple/ARMThumb.java
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@@ -1,52 +0,0 @@
/*
* BCJ filter for little endian ARM-Thumb instructions
*
* Authors: Lasse Collin <lasse.collin@tukaani.org>
* Igor Pavlov <http://7-zip.org/>
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*/
package org.tukaani.xz.simple;
public final class ARMThumb implements SimpleFilter {
private final boolean isEncoder;
private int pos;
public ARMThumb(boolean isEncoder, int startPos) {
this.isEncoder = isEncoder;
pos = startPos + 4;
}
public int code(byte[] buf, int off, int len) {
int end = off + len - 4;
int i;
for (i = off; i <= end; i += 2)
if ((buf[i + 1] & 0xF8) == 0xF0 && (buf[i + 3] & 0xF8) == 0xF8) {
int src = ((buf[i + 1] & 0x07) << 19)
| ((buf[i] & 0xFF) << 11)
| ((buf[i + 3] & 0x07) << 8)
| (buf[i + 2] & 0xFF);
src <<= 1;
int dest;
if (isEncoder)
dest = src + (pos + i - off);
else
dest = src - (pos + i - off);
dest >>>= 1;
buf[i + 1] = (byte) (0xF0 | ((dest >>> 19) & 0x07));
buf[i] = (byte) (dest >>> 11);
buf[i + 3] = (byte) (0xF8 | ((dest >>> 8) & 0x07));
buf[i + 2] = (byte) dest;
i += 2;
}
i -= off;
pos += i;
return i;
}
}