Merge branch 'bitcoin' into particl_dev

build-aux/m4/l_atomic.m4

@@ -7,7 +7,7 @@ dnl warranty.
 # Clang, when building for 32-bit,
 # and linking against libstdc++, requires linking with
 # -latomic if using the C++ atomic library.
-# Can be tested with: clang++ test.cpp -m32
+# Can be tested with: clang++ -std=c++20 test.cpp -m32
 #
 # Sourced from http://bugs.debian.org/797228
 
@@ -27,8 +27,11 @@ m4_define([_CHECK_ATOMIC_testbody], [[
     auto t1 = t.load();
     t.compare_exchange_strong(t1, 3s);
 
-    std::atomic<int64_t> a{};
+    std::atomic<double> d{};
+    d.store(3.14);
+    auto d1 = d.load();
 
+    std::atomic<int64_t> a{};
     int64_t v = 5;
     int64_t r = a.fetch_add(v);
     return static_cast<int>(r);

contrib/guix/libexec/build.sh

@@ -75,9 +75,8 @@ export OBJC_INCLUDE_PATH="${NATIVE_GCC}/include"
 export OBJCPLUS_INCLUDE_PATH="${NATIVE_GCC}/include/c++:${NATIVE_GCC}/include"
 
 case "$HOST" in
-    *darwin*)
-        export LIBRARY_PATH="${NATIVE_GCC}/lib"
-        ;;
+    *darwin*) export LIBRARY_PATH="${NATIVE_GCC}/lib" ;;
+    *mingw*) export LIBRARY_PATH="${NATIVE_GCC}/lib" ;;
     *)
         NATIVE_GCC_STATIC="$(store_path gcc-toolchain static)"
         export LIBRARY_PATH="${NATIVE_GCC}/lib:${NATIVE_GCC_STATIC}/lib"

contrib/guix/manifest.scm

@@ -111,12 +111,15 @@ desirable for building Bitcoin Core release binaries."
 
 (define (gcc-mingw-patches gcc)
   (package-with-extra-patches gcc
-    (search-our-patches "gcc-remap-guix-store.patch"
-                        "vmov-alignment.patch")))
+    (search-our-patches "gcc-remap-guix-store.patch")))
+
+(define (binutils-mingw-patches binutils)
+  (package-with-extra-patches binutils
+    (search-our-patches "binutils-unaligned-default.patch")))
 
 (define (make-mingw-pthreads-cross-toolchain target)
   "Create a cross-compilation toolchain package for TARGET"
-  (let* ((xbinutils (cross-binutils target))
+  (let* ((xbinutils (binutils-mingw-patches (cross-binutils target)))
          (pthreads-xlibc (cond ((string-contains target "x86_64") mingw-w64-x86_64-winpthreads) (else mingw-w64-i686-winpthreads)))
          (pthreads-xgcc (cross-gcc target
                                     #:xgcc (gcc-mingw-patches mingw-w64-base-gcc)
@@ -519,7 +522,6 @@ inspecting signatures in Mach-O binaries.")
     (cond ((string-suffix? "x86_64-w64-mingw32" target)
            (list ;; Native GCC 12 toolchain
                  gcc-toolchain-12
-                 (list gcc-toolchain-12 "static")
                  zip
                  (make-mingw-pthreads-cross-toolchain "x86_64-w64-mingw32")
                  nsis-x86_64

contrib/guix/patches/binutils-unaligned-default.patch

@@ -0,0 +1,22 @@
+commit 6537181f59ed186a341db621812a6bc35e22eaf6
+Author: fanquake <[email protected]>
+Date:   Wed Apr 10 12:15:52 2024 +0200
+
+    build: turn on -muse-unaligned-vector-move by default
+
+    This allows us to avoid (more invasively) patching GCC, to avoid
+    unaligned instruction use.
+
+diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c
+index e0632681477..14a9653abdf 100644
+--- a/gas/config/tc-i386.c
++++ b/gas/config/tc-i386.c
+@@ -801,7 +801,7 @@ static unsigned int no_cond_jump_promotion = 0;
+ static unsigned int sse2avx;
+
+ /* Encode aligned vector move as unaligned vector move.  */
+-static unsigned int use_unaligned_vector_move;
++static unsigned int use_unaligned_vector_move = 1;
+
+ /* Encode scalar AVX instructions with specific vector length.  */
+ static enum

contrib/init/bitcoind.service

@@ -81,5 +81,8 @@ PrivateDevices=true
 # Deny the creation of writable and executable memory mappings.
 MemoryDenyWriteExecute=true
 
+# Restrict ABIs to help ensure MemoryDenyWriteExecute is enforced
+SystemCallArchitectures=native
+
 [Install]
 WantedBy=multi-user.target

depends/packages.md

@@ -162,7 +162,7 @@ From the [Gentoo Wiki entry](https://wiki.gentoo.org/wiki/Project:Quality_Assura
 >  creates. This leads to massive overlinking, which is toxic to the Gentoo
 >  ecosystem, as it leads to a massive number of unnecessary rebuilds.
 
-Where possible, packages are built with Position Independant Code. Either using
+Where possible, packages are built with Position Independent Code. Either using
 the Autotools `--with-pic` flag, or `CMAKE_POSITION_INDEPENDENT_CODE` with CMake.
 
 ## Secondary dependencies: