Merge PR #714 (v2016.03 release) onto master

Makefile

@@ -2,6 +2,7 @@ LUASRC = $(wildcard src/lua/*.lua)
 LUAOBJ = $(LUASRC:.lua=.o)
 CSRC   = $(wildcard src/c/*.c)
 COBJ   = $(CSRC:.c=.o)
+PREFIX = /usr/local
 
 LUAJIT_CFLAGS := -include $(CURDIR)/gcc-preinclude.h
 
@@ -22,7 +23,7 @@ all: $(LUAJIT) $(SYSCALL) $(PFLUA)
 	cd src && $(MAKE)
 
 install: all
-	install -D src/snabb ${PREFIX}/usr/local/bin/snabb
+	install -D src/snabb ${DESTDIR}${PREFIX}/bin/snabb
 
 clean:
 	(cd lib/luajit && $(MAKE) clean)

README.md

@@ -64,7 +64,7 @@ is the master line of development.
 
 [packetblaster](src/program/packetblaster/) generates load by
 replaying a [pcap format](http://en.wikipedia.org/wiki/Pcap) trace
-file onto any number of Intel 82599 10-Gigabit network
+file or synthesizing customizable packets onto any number of Intel 82599 10-Gigabit network
 interfaces. This is very efficient: only a small % of one core per CPU
 is required even for hundreds of Gbps of traffic. Because so little
 CPU resources are required you can run packetblaster on a small server
@@ -96,7 +96,7 @@ For example, to install on the local machine and use as a load generator:
 
 ```
 $ cp src/snabb /usr/local/bin/
-$ sudo snabb packetblaster capture.pcap 0000:01:00.0
+$ sudo snabb packetblaster replay capture.pcap 01:00.0
 ```
 
 ## How do I get involved?

lib/luajit/doc/changes.html

@@ -113,6 +113,7 @@ <h2 id="LuaJIT-2.1.0-beta1">LuaJIT 2.1.0-beta1 &mdash; 2015-08-25</h2>
 <li>x64: Add separate port of the interpreter to <tt>LJ_GC64</tt> mode.</li>
 <li>x86/x64: Drop internal x87 math functions. Use libm functions.</li>
 <li>x86: Remove x87 support from interpreter. SSE2 is mandatory now.</li>
+<li>x86/x64: Add support for AES-NI, AVX and AVX2 to DynASM.</li>
 <li>PPC/e500: Drop support for this architecture.</li>
 </ul></li>
 <li>FFI library:
@@ -123,6 +124,7 @@ <h2 id="LuaJIT-2.1.0-beta1">LuaJIT 2.1.0-beta1 &mdash; 2015-08-25</h2>
 <li>FFI: Compile lightuserdata to <tt>void *</tt> conversion.</li>
 <li>FFI: Compile <tt>ffi.gc(cdata, nil)</tt>, too.</li>
 <li>FFI: Add <tt>ffi.typeinfo()</tt>.</li>
+<li>FFI: Add <tt>ssize_t</tt> declaration.</li>
 </ul></li>
 </ul>
 </div>

lib/luajit/doc/ext_ffi_semantics.html

@@ -185,6 +185,8 @@ <h2 id="clang">C Language Support</h2>
 <tt>uint16_t</tt>, <tt>uint32_t</tt>, <tt>uint64_t</tt>,
 <tt>intptr_t</tt>, <tt>uintptr_t</tt>.</li>
 
+<li>From <tt>&lt;unistd.h&gt;</tt> (POSIX): <tt>ssize_t</tt>.</li>
+
 </ul>
 <p>
 You're encouraged to use these types in preference to

lib/luajit/doc/install.html

@@ -114,30 +114,30 @@ <h1>Installation</h1>
 </tr>
 <tr class="odd separate">
 <td class="compatcpu">x86 (32 bit)</td>
-<td class="compatos">GCC 4.x<br>GCC 3.4</td>
-<td class="compatos">GCC 4.x<br>GCC 3.4</td>
-<td class="compatos">GCC 4.x<br>GCC 3.4</td>
+<td class="compatos">GCC 4.2+</td>
+<td class="compatos">GCC 4.2+</td>
+<td class="compatos">XCode 5.0+<br>Clang</td>
 <td class="compatos">MSVC, MSVC/EE<br>WinSDK<br>MinGW, Cygwin</td>
 </tr>
 <tr class="even">
 <td class="compatcpu">x64 (64 bit)</td>
-<td class="compatos">GCC 4.x</td>
+<td class="compatos">GCC 4.2+</td>
 <td class="compatos">ORBIS (<a href="#ps4">PS4</a>)</td>
-<td class="compatos">GCC 4.x</td>
+<td class="compatos">XCode 5.0+<br>Clang</td>
 <td class="compatos">MSVC + SDK v7.0<br>WinSDK v7.0<br>Durango (<a href="#xboxone">Xbox One</a>)</td>
 </tr>
 <tr class="odd">
 <td class="compatcpu"><a href="#cross2">ARMv5+<br>ARM9E+</a></td>
 <td class="compatos">GCC 4.2+</td>
 <td class="compatos">GCC 4.2+<br>PSP2 (<a href="#psvita">PS VITA</a>)</td>
-<td class="compatos">GCC 4.2+</td>
+<td class="compatos">XCode 5.0+<br>Clang</td>
 <td class="compatos compatno">&nbsp;</td>
 </tr>
 <tr class="even">
 <td class="compatcpu"><a href="#cross2">ARM64</a></td>
 <td class="compatos">GCC 4.8+</td>
 <td class="compatos compatno">&nbsp;</td>
-<td class="compatos">Clang 3.5+</td>
+<td class="compatos">XCode 6.0+<br>Clang 3.5+</td>
 <td class="compatos compatno">&nbsp;</td>
 </tr>
 <tr class="odd">
@@ -442,8 +442,7 @@ <h2 id="cross">Cross-compiling LuaJIT</h2>
 make HOST_CC="gcc -m32" CROSS=$NDKP TARGET_FLAGS="$NDKF"
 </pre>
 <p>
-You can cross-compile for <b id="ios">iOS 3.0+</b> (iPhone/iPad) using the <a href="http://developer.apple.com/devcenter/ios/index.action"><span class="ext">&raquo;</span>&nbsp;iOS SDK</a>.
-The environment variables need to match the iOS SDK version:
+You can cross-compile for <b id="ios">iOS 3.0+</b> (iPhone/iPad) using the <a href="http://developer.apple.com/devcenter/ios/index.action"><span class="ext">&raquo;</span>&nbsp;iOS SDK</a>:
 </p>
 <p style="font-size: 8pt;">
 Note: <b>the JIT compiler is disabled for iOS</b>, because regular iOS Apps
@@ -453,13 +452,18 @@ <h2 id="cross">Cross-compiling LuaJIT</h2>
 Or use Android. :-p
 </p>
 <pre class="code">
-IXCODE=`xcode-select -print-path`
-ISDK=$IXCODE/Platforms/iPhoneOS.platform/Developer
-ISDKVER=iPhoneOS6.0.sdk
-ISDKP=$ISDK/usr/bin/
-ISDKF="-arch armv7 -isysroot $ISDK/SDKs/$ISDKVER"
-make HOST_CC="gcc -m32 -arch i386" CROSS=$ISDKP TARGET_FLAGS="$ISDKF" \
-     TARGET_SYS=iOS
+# iOS/ARM (32 bit)
+ISDKP=$(xcrun --sdk iphoneos --show-sdk-path)
+ICC=$(xcrun --sdk iphoneos --find clang)
+ISDKF="-arch armv7 -isysroot $ISDKP"
+make HOST_CC="clang -m32 -arch i386" CROSS="$(dirname $ICC)/" \
+     TARGET_FLAGS="$ISDKF" TARGET_SYS=iOS
+
+# iOS/ARM64
+ISDKP=$(xcrun --sdk iphoneos --show-sdk-path)
+ICC=$(xcrun --sdk iphoneos --find clang)
+ISDKF="-arch arm64 -isysroot $ISDKP"
+make CROSS="$(dirname $ICC)/" TARGET_FLAGS="$ISDKF" TARGET_SYS=iOS
 </pre>
 
 <h3 id="consoles">Cross-compiling for consoles</h3>

lib/luajit/dynasm/dasm_arm.lua

@@ -9,9 +9,9 @@
 local _info = {
   arch =	"arm",
   description =	"DynASM ARM module",
-  version =	"1.3.0",
-  vernum =	 10300,
-  release =	"2011-05-05",
+  version =	"1.4.0",
+  vernum =	 10400,
+  release =	"2015-10-18",
   author =	"Mike Pall",
   license =	"MIT",
 }

lib/luajit/dynasm/dasm_arm64.lua

@@ -9,9 +9,9 @@
 local _info = {
   arch =	"arm",
   description =	"DynASM ARM64 module",
-  version =	"1.3.0",
-  vernum =	 10300,
-  release =	"2014-12-03",
+  version =	"1.4.0",
+  vernum =	 10400,
+  release =	"2015-10-18",
   author =	"Mike Pall",
   license =	"MIT",
 }

lib/luajit/dynasm/dasm_mips.lua

@@ -9,9 +9,9 @@
 local _info = {
   arch =	"mips",
   description =	"DynASM MIPS module",
-  version =	"1.3.0",
-  vernum =	 10300,
-  release =	"2012-01-23",
+  version =	"1.4.0",
+  vernum =	 10400,
+  release =	"2015-10-18",
   author =	"Mike Pall",
   license =	"MIT",
 }

lib/luajit/dynasm/dasm_ppc.lua

@@ -11,9 +11,9 @@
 local _info = {
   arch =	"ppc",
   description =	"DynASM PPC module",
-  version =	"1.3.0",
-  vernum =	 10300,
-  release =	"2015-01-14",
+  version =	"1.4.0",
+  vernum =	 10400,
+  release =	"2015-10-18",
   author =	"Mike Pall",
   license =	"MIT",
 }

lib/luajit/dynasm/dasm_proto.h

@@ -10,8 +10,8 @@
 #include <stddef.h>
 #include <stdarg.h>
 
-#define DASM_IDENT	"DynASM 1.3.0"
-#define DASM_VERSION	10300	/* 1.3.0 */
+#define DASM_IDENT	"DynASM 1.4.0"
+#define DASM_VERSION	10400	/* 1.4.0 */
 
 #ifndef Dst_DECL
 #define Dst_DECL	dasm_State **Dst

lib/luajit/dynasm/dasm_x86.h

@@ -170,7 +170,7 @@ void dasm_put(Dst_DECL, int start, ...)
   dasm_State *D = Dst_REF;
   dasm_ActList p = D->actionlist + start;
   dasm_Section *sec = D->section;
-  int pos = sec->pos, ofs = sec->ofs, mrm = 4;
+  int pos = sec->pos, ofs = sec->ofs, mrm = -1;
   int *b;
 
   if (pos >= sec->epos) {
@@ -193,7 +193,7 @@ void dasm_put(Dst_DECL, int start, ...)
       b[pos++] = n;
       switch (action) {
       case DASM_DISP:
-	if (n == 0) { if ((mrm&7) == 4) mrm = p[-2]; if ((mrm&7) != 5) break; }
+	if (n == 0) { if (mrm < 0) mrm = p[-2]; if ((mrm&7) != 5) break; }
       case DASM_IMM_DB: if (((n+128)&-256) == 0) goto ob;
       case DASM_REL_A: /* Assumes ptrdiff_t is int. !x64 */
       case DASM_IMM_D: ofs += 4; break;
@@ -203,10 +203,17 @@ void dasm_put(Dst_DECL, int start, ...)
       case DASM_IMM_W: CK((n&-65536) == 0, RANGE_I); ofs += 2; break;
       case DASM_SPACE: p++; ofs += n; break;
       case DASM_SETLABEL: b[pos-2] = -0x40000000; break;  /* Neg. label ofs. */
-      case DASM_VREG: CK((n&-8) == 0 && (n != 4 || (*p&1) == 0), RANGE_VREG);
-	if (*p++ == 1 && *p == DASM_DISP) mrm = n; continue;
+      case DASM_VREG: CK((n&-16) == 0 && (n != 4 || (*p>>5) != 2), RANGE_VREG);
+	if (*p < 0x40 && p[1] == DASM_DISP) mrm = n;
+	if (*p < 0x20 && (n&7) == 4) ofs++;
+	switch ((*p++ >> 3) & 3) {
+	case 3: n |= b[pos-3];
+	case 2: n |= b[pos-2];
+	case 1: if (n <= 7) { b[pos-1] |= 0x10; ofs--; }
+	}
+	continue;
       }
-      mrm = 4;
+      mrm = -1;
     } else {
       int *pl, n;
       switch (action) {
@@ -391,7 +398,27 @@ int dasm_encode(Dst_DECL, void *buffer)
 	case DASM_IMM_D: wd: dasmd(n); break;
 	case DASM_IMM_WB: if (((n+128)&-256) == 0) goto db; else mark = NULL;
 	case DASM_IMM_W: dasmw(n); break;
-	case DASM_VREG: { int t = *p++; if (t >= 2) n<<=3; cp[-1] |= n; break; }
+	case DASM_VREG: {
+	  int t = *p++;
+	  unsigned char *ex = cp - (t&7);
+	  if ((n & 8) && t < 0xa0) {
+	    if (*ex & 0x80) ex[1] ^= 0x20 << (t>>6); else *ex ^= 1 << (t>>6);
+	    n &= 7;
+	  } else if (n & 0x10) {
+	    if (*ex & 0x80) {
+	      *ex = 0xc5; ex[1] = (ex[1] & 0x80) | ex[2]; ex += 2;
+	    }
+	    while (++ex < cp) ex[-1] = *ex;
+	    if (mark) mark--;
+	    cp--;
+	    n &= 7;
+	  }
+	  if (t >= 0xc0) n <<= 4;
+	  else if (t >= 0x40) n <<= 3;
+	  else if (n == 4 && t < 0x20) { cp[-1] ^= n; *cp++ = 0x20; }
+	  cp[-1] ^= n;
+	  break;
+	}
 	case DASM_REL_LG: p++; if (n >= 0) goto rel_pc;
 	  b++; n = (int)(ptrdiff_t)D->globals[-n];
 	case DASM_REL_A: rel_a: n -= (int)(ptrdiff_t)(cp+4); goto wd; /* !x64 */