Brugarolas · Brugarolas · Apr 18, 2024 · Apr 18, 2024 · Apr 18, 2024 · Apr 18, 2024
diff --git a/.gitignore b/.gitignore
@@ -3,6 +3,7 @@
 *.obj
 *.lib
 *.exp
+*.pdb
 *.dll
 *.exe
 *.manifest

diff --git a/COPYRIGHT b/COPYRIGHT
@@ -1,7 +1,7 @@
 ===============================================================================
 LuaJIT -- a Just-In-Time Compiler for Lua. https://luajit.org/
 
-Copyright (C) 2005-2023 Mike Pall. All rights reserved.
+Copyright (C) 2005-2026 Mike Pall. All rights reserved.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

diff --git a/Makefile b/Makefile
@@ -10,7 +10,7 @@
 # For MSVC, please follow the instructions given in src/msvcbuild.bat.
 # For MinGW and Cygwin, cd to src and run make with the Makefile there.
 #
-# Copyright (C) 2005-2023 Mike Pall. See Copyright Notice in luajit.h
+# Copyright (C) 2005-2026 Mike Pall. See Copyright Notice in luajit.h
 ##############################################################################
 
 MAJVER=  2
@@ -37,12 +37,13 @@ export MULTILIB= lib
 DPREFIX= $(DESTDIR)$(PREFIX)
 INSTALL_BIN=   $(DPREFIX)/bin
 INSTALL_LIB=   $(DPREFIX)/$(MULTILIB)
-INSTALL_SHARE= $(DPREFIX)/share
+INSTALL_SHARE_= $(PREFIX)/share
+INSTALL_SHARE= $(DESTDIR)$(INSTALL_SHARE_)
 INSTALL_DEFINC= $(DPREFIX)/include/luajit-$(MMVERSION)
 INSTALL_INC=   $(INSTALL_DEFINC)
 
-INSTALL_LJLIBD= $(INSTALL_SHARE)/luajit-$(MMVERSION)
-INSTALL_JITLIB= $(INSTALL_LJLIBD)/jit
+export INSTALL_LJLIBD= $(INSTALL_SHARE_)/luajit-$(MMVERSION)
+INSTALL_JITLIB= $(DESTDIR)$(INSTALL_LJLIBD)/jit
 INSTALL_LMODD= $(INSTALL_SHARE)/lua
 INSTALL_LMOD= $(INSTALL_LMODD)/$(ABIVER)
 INSTALL_CMODD= $(INSTALL_LIB)/lua
@@ -71,7 +72,7 @@ INSTALL_PC= $(INSTALL_PKGCONFIG)/$(INSTALL_PCNAME)
 
 INSTALL_DIRS= $(INSTALL_BIN) $(INSTALL_LIB) $(INSTALL_INC) $(INSTALL_MAN) \
   $(INSTALL_PKGCONFIG) $(INSTALL_JITLIB) $(INSTALL_LMOD) $(INSTALL_CMOD)
-UNINSTALL_DIRS= $(INSTALL_JITLIB) $(INSTALL_LJLIBD) $(INSTALL_INC) \
+UNINSTALL_DIRS= $(INSTALL_JITLIB) $(DESTDIR)$(INSTALL_LJLIBD) $(INSTALL_INC) \
   $(INSTALL_LMOD) $(INSTALL_LMODD) $(INSTALL_CMOD) $(INSTALL_CMODD)
 
 RM= rm -f
@@ -109,11 +110,12 @@ else
 endif
 TARGET_SYS?= $(HOST_SYS)
 
-ifeq (Darwin,$(TARGET_SYS))
+ifneq (,$(filter $(TARGET_SYS),Darwin iOS))
   INSTALL_SONAME= $(INSTALL_DYLIBNAME)
   INSTALL_SOSHORT1= $(INSTALL_DYLIBSHORT1)
   INSTALL_SOSHORT2= $(INSTALL_DYLIBSHORT2)
   LDCONFIG= :
+  SED_PC+= -e "s| -Wl,-E||"
 endif
 
 ##############################################################################

diff --git a/README b/README
@@ -5,7 +5,7 @@ LuaJIT is a Just-In-Time (JIT) compiler for the Lua programming language.
 
 Project Homepage: https://luajit.org/
 
-LuaJIT is Copyright (C) 2005-2023 Mike Pall.
+LuaJIT is Copyright (C) 2005-2026 Mike Pall.
 LuaJIT is free software, released under the MIT license.
 See full Copyright Notice in the COPYRIGHT file or in luajit.h.
 

diff --git a/doc/bluequad-print.css b/doc/bluequad-print.css
@@ -1,4 +1,4 @@
-/* Copyright (C) 2004-2023 Mike Pall.
+/* Copyright (C) 2004-2026 Mike Pall.
  *
  * You are welcome to use the general ideas of this design for your own sites.
  * But please do not steal the stylesheet, the layout or the color scheme.

diff --git a/doc/bluequad.css b/doc/bluequad.css
@@ -1,4 +1,4 @@
-/* Copyright (C) 2004-2023 Mike Pall.
+/* Copyright (C) 2004-2026 Mike Pall.
  *
  * You are welcome to use the general ideas of this design for your own sites.
  * But please do not steal the stylesheet, the layout or the color scheme.

diff --git a/doc/contact.html b/doc/contact.html
@@ -3,7 +3,7 @@
 <head>
 <title>Contact</title>
 <meta charset="utf-8">
-<meta name="Copyright" content="Copyright (C) 2005-2023">
+<meta name="Copyright" content="Copyright (C) 2005-2026">
 <meta name="Language" content="en">
 <link rel="stylesheet" type="text/css" href="bluequad.css" media="screen">
 <link rel="stylesheet" type="text/css" href="bluequad-print.css" media="print">
@@ -94,15 +94,15 @@ <h1>Contact</h1>
 <h2>Copyright</h2>
 <p>
 All documentation is
-Copyright &copy; 2005-2023 Mike Pall.
+Copyright &copy; 2005-2026 Mike Pall.
 </p>
 
 
 <br class="flush">
 </div>
 <div id="foot">
 <hr class="hide">
-Copyright &copy; 2005-2023
+Copyright &copy; 2005-2026
 <span class="noprint">
 &middot;
 <a href="contact.html">Contact</a>

diff --git a/doc/ext_buffer.html b/doc/ext_buffer.html
@@ -3,7 +3,7 @@
 <head>
 <title>String Buffer Library</title>
 <meta charset="utf-8">
-<meta name="Copyright" content="Copyright (C) 2005-2023">
+<meta name="Copyright" content="Copyright (C) 2005-2026">
 <meta name="Language" content="en">
 <link rel="stylesheet" type="text/css" href="bluequad.css" media="screen">
 <link rel="stylesheet" type="text/css" href="bluequad-print.css" media="print">
@@ -85,7 +85,7 @@ <h1>String Buffer Library</h1>
 </p>
 <p>
 The string buffer library also includes a high-performance
-<a href="serialize">serializer</a> for Lua objects.
+<a href="#serialize">serializer</a> for Lua objects.
 </p>
 
 <h2 id="use">Using the String Buffer Library</h2>
@@ -588,9 +588,9 @@ <h3 id="serialize_format">Serialization Format Specification</h3>
 tab       → 0x08                                   // Empty table
           | 0x09 h.U h*{object object}          // Key/value hash
           | 0x0a a.U a*object                    // 0-based array
-          | 0x0b a.U a*object h.U h*{object object}      // Mixed
+          | 0x0b a.U h.U a*object h*{object object}      // Mixed
           | 0x0c a.U (a-1)*object                // 1-based array
-          | 0x0d a.U (a-1)*object h.U h*{object object}  // Mixed
+          | 0x0d a.U h.U (a-1)*object h*{object object}  // Mixed
 tab_mt    → 0x0e (index-1).U tab          // Metatable dict entry
 
 int64     → 0x10 int.L                             // FFI int64_t
@@ -679,7 +679,7 @@ <h2 id="ffi_caveats">FFI caveats</h2>
 </div>
 <div id="foot">
 <hr class="hide">
-Copyright &copy; 2005-2023
+Copyright &copy; 2005-2026
 <span class="noprint">
 &middot;
 <a href="contact.html">Contact</a>

diff --git a/doc/ext_c_api.html b/doc/ext_c_api.html
@@ -3,7 +3,7 @@
 <head>
 <title>Lua/C API Extensions</title>
 <meta charset="utf-8">
-<meta name="Copyright" content="Copyright (C) 2005-2023">
+<meta name="Copyright" content="Copyright (C) 2005-2026">
 <meta name="Language" content="en">
 <link rel="stylesheet" type="text/css" href="bluequad.css" media="screen">
 <link rel="stylesheet" type="text/css" href="bluequad-print.css" media="print">
@@ -173,7 +173,7 @@ <h3 id="mode_wrapcfunc"><tt>luaJIT_setmode(L, idx, LUAJIT_MODE_WRAPCFUNC|flag)</
 </div>
 <div id="foot">
 <hr class="hide">
-Copyright &copy; 2005-2023
+Copyright &copy; 2005-2026
 <span class="noprint">
 &middot;
 <a href="contact.html">Contact</a>

diff --git a/doc/ext_ffi.html b/doc/ext_ffi.html
@@ -3,7 +3,7 @@
 <head>
 <title>FFI Library</title>
 <meta charset="utf-8">
-<meta name="Copyright" content="Copyright (C) 2005-2023">
+<meta name="Copyright" content="Copyright (C) 2005-2026">
 <meta name="Language" content="en">
 <link rel="stylesheet" type="text/css" href="bluequad.css" media="screen">
 <link rel="stylesheet" type="text/css" href="bluequad-print.css" media="print">
@@ -316,7 +316,7 @@ <h2 id="cdata">Motivating Example: Using C Data Structures</h2>
 </div>
 <div id="foot">
 <hr class="hide">
-Copyright &copy; 2005-2023
+Copyright &copy; 2005-2026
 <span class="noprint">
 &middot;
 <a href="contact.html">Contact</a>

diff --git a/doc/ext_ffi_api.html b/doc/ext_ffi_api.html
@@ -3,7 +3,7 @@
 <head>
 <title>ffi.* API Functions</title>
 <meta charset="utf-8">
-<meta name="Copyright" content="Copyright (C) 2005-2023">
+<meta name="Copyright" content="Copyright (C) 2005-2026">
 <meta name="Language" content="en">
 <link rel="stylesheet" type="text/css" href="bluequad.css" media="screen">
 <link rel="stylesheet" type="text/css" href="bluequad-print.css" media="print">
@@ -558,7 +558,7 @@ <h2 id="literals">Extensions to the Lua Parser</h2>
 </div>
 <div id="foot">
 <hr class="hide">
-Copyright &copy; 2005-2023
+Copyright &copy; 2005-2026
 <span class="noprint">
 &middot;
 <a href="contact.html">Contact</a>

diff --git a/doc/ext_ffi_semantics.html b/doc/ext_ffi_semantics.html
@@ -3,7 +3,7 @@
 <head>
 <title>FFI Semantics</title>
 <meta charset="utf-8">
-<meta name="Copyright" content="Copyright (C) 2005-2023">
+<meta name="Copyright" content="Copyright (C) 2005-2026">
 <meta name="Language" content="en">
 <link rel="stylesheet" type="text/css" href="bluequad.css" media="screen">
 <link rel="stylesheet" type="text/css" href="bluequad-print.css" media="print">
@@ -338,42 +338,44 @@ <h3 id="convert_between">Conversions between C&nbsp;types</h3>
 <tr class="odd">
 <td class="convin">Integer</td><td class="convop">&rarr;<sup>round</sup></td><td class="convout"><tt>double</tt>, <tt>float</tt></td></tr>
 <tr class="even">
-<td class="convin"><tt>double</tt>, <tt>float</tt></td><td class="convop">&rarr;<sup>trunc</sup> <tt>int32_t</tt> &rarr;<sup>narrow</sup></td><td class="convout"><tt>(u)int8_t</tt>, <tt>(u)int16_t</tt></td></tr>
+<td class="convin"><tt>double</tt>, <tt>float</tt></td><td class="convop">&rarr;<sup>trunc</sup> <tt>int64_t</tt> &rarr;<sup>narrow</sup> <sup>*</sup></td><td class="convout"><tt>(u)int8_t</tt>, <tt>(u)int16_t</tt>, <tt>(u)int32_t</tt></td></tr>
 <tr class="odd">
-<td class="convin"><tt>double</tt>, <tt>float</tt></td><td class="convop">&rarr;<sup>trunc</sup></td><td class="convout"><tt>(u)int32_t</tt>, <tt>(u)int64_t</tt></td></tr>
+<td class="convin"><tt>double</tt>, <tt>float</tt></td><td class="convop">&rarr;<sup>trunc</sup></td><td class="convout"><tt>int64_t</tt></td></tr>
 <tr class="even">
+<td class="convin"><tt>double</tt>, <tt>float</tt></td><td class="convop">&rarr;<sup>trunc</sup> uint64_t &cup; int64_t &rarr;<sup>reinterpret</sup> <sup>*</sup></td><td class="convout"><tt>uint64_t</tt></td></tr>
+<tr class="odd">
 <td class="convin"><tt>double</tt>, <tt>float</tt></td><td class="convop">&rarr;<sup>round</sup></td><td class="convout"><tt>float</tt>, <tt>double</tt></td></tr>
-<tr class="odd separate">
+<tr class="even separate">
 <td class="convin">Number</td><td class="convop">n == 0 &rarr; 0, otherwise 1</td><td class="convout"><tt>bool</tt></td></tr>
-<tr class="even">
+<tr class="odd">
 <td class="convin"><tt>bool</tt></td><td class="convop"><tt>false</tt> &rarr; 0, <tt>true</tt> &rarr; 1</td><td class="convout">Number</td></tr>
-<tr class="odd separate">
+<tr class="even separate">
 <td class="convin">Complex number</td><td class="convop">convert real part</td><td class="convout">Number</td></tr>
-<tr class="even">
-<td class="convin">Number</td><td class="convop">convert real part, imag = 0</td><td class="convout">Complex number</td></tr>
 <tr class="odd">
+<td class="convin">Number</td><td class="convop">convert real part, imag = 0</td><td class="convout">Complex number</td></tr>
+<tr class="even">
 <td class="convin">Complex number</td><td class="convop">convert real and imag part</td><td class="convout">Complex number</td></tr>
-<tr class="even separate">
+<tr class="odd separate">
 <td class="convin">Number</td><td class="convop">convert scalar and replicate</td><td class="convout">Vector</td></tr>
-<tr class="odd">
+<tr class="even">
 <td class="convin">Vector</td><td class="convop">copy (same size)</td><td class="convout">Vector</td></tr>
-<tr class="even separate">
+<tr class="odd separate">
 <td class="convin"><tt>struct</tt>/<tt>union</tt></td><td class="convop">take base address (compat)</td><td class="convout">Pointer</td></tr>
-<tr class="odd">
-<td class="convin">Array</td><td class="convop">take base address (compat)</td><td class="convout">Pointer</td></tr>
 <tr class="even">
+<td class="convin">Array</td><td class="convop">take base address (compat)</td><td class="convout">Pointer</td></tr>
+<tr class="odd">
 <td class="convin">Function</td><td class="convop">take function address</td><td class="convout">Function pointer</td></tr>
-<tr class="odd separate">
+<tr class="even separate">
 <td class="convin">Number</td><td class="convop">convert via <tt>uintptr_t</tt> (cast)</td><td class="convout">Pointer</td></tr>
-<tr class="even">
-<td class="convin">Pointer</td><td class="convop">convert address (compat/cast)</td><td class="convout">Pointer</td></tr>
 <tr class="odd">
-<td class="convin">Pointer</td><td class="convop">convert address (cast)</td><td class="convout">Integer</td></tr>
+<td class="convin">Pointer</td><td class="convop">convert address (compat/cast)</td><td class="convout">Pointer</td></tr>
 <tr class="even">
+<td class="convin">Pointer</td><td class="convop">convert address (cast)</td><td class="convout">Integer</td></tr>
+<tr class="odd">
 <td class="convin">Array</td><td class="convop">convert base address (cast)</td><td class="convout">Integer</td></tr>
-<tr class="odd separate">
+<tr class="even separate">
 <td class="convin">Array</td><td class="convop">copy (compat)</td><td class="convout">Array</td></tr>
-<tr class="even">
+<tr class="odd">
 <td class="convin"><tt>struct</tt>/<tt>union</tt></td><td class="convop">copy (identical type)</td><td class="convout"><tt>struct</tt>/<tt>union</tt></td></tr>
 </table>
 <p>
@@ -384,6 +386,24 @@ <h3 id="convert_between">Conversions between C&nbsp;types</h3>
 Conversions not listed above will raise an error. E.g. it's not
 possible to convert a pointer to a complex number or vice versa.
 </p>
+<p>
+* Some conversions from <tt>double</tt> have a larger defined range to
+allow for mixed-signedness conversions, which are common in C code.
+E.g. initializing an <tt>int32_t</tt> field with <tt>0xffffffff</tt>
+or initializing an <tt>uint32_t</tt> or <tt>uint64_t</tt> field with
+<tt>-1</tt>. Under strict conversion rules, these assignments would
+give undefined results, since Lua numbers are doubles. The extended
+ranges make these conversions defined. Lua numbers that are even
+outside that range give an architecture-specific result.
+</p>
+<p>
+Please note that doubles do not have the precision to represent the
+whole signed or unsigned 64 bit integer range. Beware of large hex
+constants in particular: e.g. <tt>0xffffffffffffffff</tt> is a double
+rounded up to <tt>0x1p64</tt> during parsing. This will <em>not</em>
+convert to a defined 64 bit integer value. Use the 64 bit literal
+syntax instead, i.e. <tt>0xffffffffffffffffULL</tt>.
+</p>
 
 <h3 id="convert_vararg">Conversions for vararg C&nbsp;function arguments</h3>
 <p>
@@ -440,6 +460,19 @@ <h3 id="convert_vararg">Conversions for vararg C&nbsp;function arguments</h3>
 conversion rule applies. A vararg C&nbsp;function expecting an integer
 will see a garbled or uninitialized value.
 </p>
+<p>
+Note: this is the only place where creating a boxed scalar number type is
+actually useful. <b>Never use <tt>ffi.new("int")</tt>, <tt>ffi.new("float")</tt>
+etc. anywhere else!</b>
+</p>
+<p style="font-size: 8pt;">
+Ditto for <tt>ffi.cast()</tt>. Explicitly boxing scalars <b>does not</b>
+improve performance or force <tt>int</tt> or <tt>float</tt> arithmetic! It
+just adds costly boxing, unboxing and conversions steps. And it may lead
+to surprise results, because
+<a href="#cdata_arith">cdata arithmetic on scalar numbers</a>
+is always performed on 64 bit integers.
+</p>
 
 <h2 id="init">Initializers</h2>
 <p>
@@ -1246,7 +1279,7 @@ <h2 id="status">Current Status</h2>
 </div>
 <div id="foot">
 <hr class="hide">
-Copyright &copy; 2005-2023
+Copyright &copy; 2005-2026
 <span class="noprint">
 &middot;
 <a href="contact.html">Contact</a>

diff --git a/doc/ext_ffi_tutorial.html b/doc/ext_ffi_tutorial.html
@@ -3,7 +3,7 @@
 <head>
 <title>FFI Tutorial</title>
 <meta charset="utf-8">
-<meta name="Copyright" content="Copyright (C) 2005-2023">
+<meta name="Copyright" content="Copyright (C) 2005-2026">
 <meta name="Language" content="en">
 <link rel="stylesheet" type="text/css" href="bluequad.css" media="screen">
 <link rel="stylesheet" type="text/css" href="bluequad-print.css" media="print">
@@ -587,7 +587,7 @@ <h2 id="cache">To Cache or Not to Cache</h2>
 </div>
 <div id="foot">
 <hr class="hide">
-Copyright &copy; 2005-2023
+Copyright &copy; 2005-2026
 <span class="noprint">
 &middot;
 <a href="contact.html">Contact</a>

diff --git a/doc/ext_jit.html b/doc/ext_jit.html
@@ -3,7 +3,7 @@
 <head>
 <title>jit.* Library</title>
 <meta charset="utf-8">
-<meta name="Copyright" content="Copyright (C) 2005-2023">
+<meta name="Copyright" content="Copyright (C) 2005-2026">
 <meta name="Language" content="en">
 <link rel="stylesheet" type="text/css" href="bluequad.css" media="screen">
 <link rel="stylesheet" type="text/css" href="bluequad-print.css" media="print">
@@ -187,7 +187,7 @@ <h2 id="jit_util"><tt>jit.util.*</tt> &mdash; JIT compiler introspection</h2>
 </div>
 <div id="foot">
 <hr class="hide">
-Copyright &copy; 2005-2023
+Copyright &copy; 2005-2026
 <span class="noprint">
 &middot;
 <a href="contact.html">Contact</a>

diff --git a/doc/ext_profiler.html b/doc/ext_profiler.html
@@ -3,7 +3,7 @@
 <head>
 <title>Profiler</title>
 <meta charset="utf-8">
-<meta name="Copyright" content="Copyright (C) 2005-2023">
+<meta name="Copyright" content="Copyright (C) 2005-2026">
 <meta name="Language" content="en">
 <link rel="stylesheet" type="text/css" href="bluequad.css" media="screen">
 <link rel="stylesheet" type="text/css" href="bluequad-print.css" media="print">
@@ -349,7 +349,7 @@ <h3 id="luaJIT_profile_dumpstack"><tt>p = luaJIT_profile_dumpstack(L, fmt, depth
 </div>
 <div id="foot">
 <hr class="hide">
-Copyright &copy; 2005-2023
+Copyright &copy; 2005-2026
 <span class="noprint">
 &middot;
 <a href="contact.html">Contact</a>
-Original file line number
+Diff line change
@@ Expand Up / @@ -3,6 +3,7 @@ @@
     *.obj
     *.lib
     *.exp
+    *.pdb
     *.dll
     *.exe
     *.manifest
@@ Expand Down @@