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* [PR PATCH] [REDO] New package: qt6-webengine-6.4.2.
@ 2023-02-12 15:56 sgn
  2023-02-15  8:57 ` Johnnynator
                   ` (7 more replies)
  0 siblings, 8 replies; 9+ messages in thread
From: sgn @ 2023-02-12 15:56 UTC (permalink / raw)
  To: ml

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There is a new pull request by sgn against master on the void-packages repository

https://github.com/sgn/void-packages qt6-webengine
https://github.com/void-linux/void-packages/pull/42224

[REDO] New package: qt6-webengine-6.4.2.
<!-- Uncomment relevant sections and delete options which are not applicable -->

#### Testing the changes
- I tested the changes in this PR: **briefly**

<!--
#### New package
- This new package conforms to the [package requirements](https://github.com/void-linux/void-packages/blob/master/CONTRIBUTING.md#package-requirements): **YES**|**NO**
-->

<!-- Note: If the build is likely to take more than 2 hours, please add ci skip tag as described in
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#### Local build testing
- I built this PR locally for my native architecture:
    - [x] `x86_64`
    - [x] `x86_64-musl`
- I built this PR locally for these architectures (if supported. mark crossbuilds):
    - [ ] aarch64
    - [ ] aarch64-musl
    - [ ] i686
    - [ ] armv7-musl
    - [ ] armv7




A patch file from https://github.com/void-linux/void-packages/pull/42224.patch is attached

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[-- Attachment #2: github-pr-qt6-webengine-42224.patch --]
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From 232eeb08bddaf3cac2385f8e5426b6a6efcc2191 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C4=90o=C3=A0n=20Tr=E1=BA=A7n=20C=C3=B4ng=20Danh?=
 <congdanhqx@gmail.com>
Date: Mon, 8 Aug 2022 17:13:11 +0700
Subject: [PATCH] New package: qt6-webengine-6.3.1.

---
 common/shlibs                                 |    7 +
 srcpkgs/qt6-webengine-devel                   |    1 +
 srcpkgs/qt6-webengine-examples                |    1 +
 .../patches/0001-None-no-debug.patch          |   11 +
 .../patches/0003-cross-hack.patch             |   10 +
 .../0004-ppc-disable-jxl-decoder.patch        |   13 +
 .../patches/0050-no-glibc-cmake-check.patch   |   14 +
 .../0100-chromium-revert-9d080c0.patch        |  154 +
 ...omium-102-fenced_frame_utils-include.patch |   20 +
 ...102-chromium-102-regex_pattern-array.patch |   14 +
 ...0103-chromium-i686-vaapi-fpermissive.patch |   23 +
 .../0104-chromium-libxml-unbundle.patch       |   10 +
 ...-chromium-revert-drop-of-system-java.patch |   15 +
 .../patches/0106-chromium-system-nodejs.patch |   29 +
 .../patches/0107-chromium-cross-build.patch   |   65 +
 .../0108-chromium-cursed^Uscoped_file.patch   |   18 +
 ...chromium-aarch64-musl-memory-tagging.patch |   29 +
 ...fix-missing-TEMP_FAILURE_RETRY-macro.patch |   21 +
 .../patches/0111-chromium-cstdint.patch       |   10 +
 .../patches/0112-chromium-unistd.h            |   10 +
 .../0113-chromium-pthread-stacksize.patch     |   16 +
 .../patches/0114-do-not-narrow-int.patch      |   53 +
 ...5-chromium-no-canonicalize-file-name.patch |   12 +
 .../0116-chromium-musl-get-thread-name.patch  |   22 +
 .../patches/0117-chromium-musl-resolver.patch |   64 +
 .../0119-chromium-musl-stack-utils.patch      |   20 +
 .../patches/0120-chromium-libc-malloc.patch   |   34 +
 .../patches/0121-chromium-musl-stat.patch     |   12 +
 .../patches/0122-chromium-condition_var.patch |   22 +
 .../0123-chromium-musl-no-execinfo.patch      |   75 +
 .../0123-chromium-musl-no-getcontext.patch    |   27 +
 .../patches/0124-chromium-enable-i686.patch   |   17 +
 .../0125-chromium-remove-strip_binary.patch   |   32 +
 .../patches/0126-chromium-no-cdefs.patch      |   39 +
 .../0128-chromium-sandbox-membarrier.patch    |   10 +
 .../0129-chromium-sandbox-shed_getparam.patch |   20 +
 ...undle-ffmpeg-av_stream_get_first_dts.patch |   10 +
 ...1-chromium-unbundled-cross-toolchain.patch |   13 +
 .../patches/0152-chromium-webrtc-size_t.patch |   10 +
 .../patches/0153-chromium-webrtc-size_t.patch |   16 +
 .../patches/0154-chromium-uit_t.patch         |   11 +
 .../patches/0200-chromium-sndio.patch         |  849 ++++
 .../patches/0300-chromium-musl-hacks.patch    |   52 +
 .../patches/0301-chromium-musl-sandbox.patch  |   86 +
 .../patches/0302-chromium-no-mallinfo.patch   |   67 +
 .../patches/0700-armv7l-neon.patch            |   10 +
 ...-chromium-musl-cross-no-asm_ptrace_h.patch |   30 +
 .../0751-chromium-musl-arm-user_vfp.patch     |   20 +
 .../0752-chromium-musl-arm-elf_auxv_t.patch   |   18 +
 .../patches/0900-cross-build-examples.patch   |   16 +
 .../patches/xxx-ppc64le-4k-pages.patch        |   50 +
 .../patches/xxx-ppc64le-libvpx.patch          |   65 +
 .../xxx-ppc64le-sandbox-linux-stat.patch      |   31 +
 .../patches/xxx-ppc64le-support.patch         | 3492 +++++++++++++++++
 .../patches/xxx-ppc64le-swiftshader.patch     |   18 +
 srcpkgs/qt6-webengine/template                |  180 +
 srcpkgs/qt6-webengine/update                  |    1 +
 57 files changed, 5995 insertions(+)
 create mode 120000 srcpkgs/qt6-webengine-devel
 create mode 120000 srcpkgs/qt6-webengine-examples
 create mode 100644 srcpkgs/qt6-webengine/patches/0001-None-no-debug.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0003-cross-hack.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0004-ppc-disable-jxl-decoder.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0050-no-glibc-cmake-check.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0100-chromium-revert-9d080c0.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0101-chromium-102-fenced_frame_utils-include.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0102-chromium-102-regex_pattern-array.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0103-chromium-i686-vaapi-fpermissive.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0104-chromium-libxml-unbundle.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0105-chromium-revert-drop-of-system-java.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0106-chromium-system-nodejs.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0107-chromium-cross-build.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0108-chromium-cursed^Uscoped_file.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0109-chromium-aarch64-musl-memory-tagging.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0110-chromium-fix-missing-TEMP_FAILURE_RETRY-macro.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0111-chromium-cstdint.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0112-chromium-unistd.h
 create mode 100644 srcpkgs/qt6-webengine/patches/0113-chromium-pthread-stacksize.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0114-do-not-narrow-int.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0115-chromium-no-canonicalize-file-name.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0116-chromium-musl-get-thread-name.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0117-chromium-musl-resolver.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0119-chromium-musl-stack-utils.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0120-chromium-libc-malloc.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0121-chromium-musl-stat.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0122-chromium-condition_var.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0123-chromium-musl-no-execinfo.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0123-chromium-musl-no-getcontext.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0124-chromium-enable-i686.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0125-chromium-remove-strip_binary.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0126-chromium-no-cdefs.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0128-chromium-sandbox-membarrier.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0129-chromium-sandbox-shed_getparam.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0150-chromium-unbundle-ffmpeg-av_stream_get_first_dts.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0151-chromium-unbundled-cross-toolchain.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0152-chromium-webrtc-size_t.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0153-chromium-webrtc-size_t.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0154-chromium-uit_t.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0200-chromium-sndio.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0300-chromium-musl-hacks.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0301-chromium-musl-sandbox.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0302-chromium-no-mallinfo.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0700-armv7l-neon.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0750-chromium-musl-cross-no-asm_ptrace_h.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0751-chromium-musl-arm-user_vfp.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0752-chromium-musl-arm-elf_auxv_t.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/0900-cross-build-examples.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/xxx-ppc64le-4k-pages.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/xxx-ppc64le-libvpx.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/xxx-ppc64le-sandbox-linux-stat.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/xxx-ppc64le-support.patch
 create mode 100644 srcpkgs/qt6-webengine/patches/xxx-ppc64le-swiftshader.patch
 create mode 100644 srcpkgs/qt6-webengine/template
 create mode 100644 srcpkgs/qt6-webengine/update

diff --git a/common/shlibs b/common/shlibs
index e01ca41515bd..6648f2c35baa 100644
--- a/common/shlibs
+++ b/common/shlibs
@@ -2094,6 +2094,13 @@ libQt6Positioning.so.6 qt6-location-6.2.0alpha_1
 libQt6MultimediaWidgets.so.6 qt6-multimedia-6.3.1_1
 libQt6MultimediaQuick.so.6 qt6-multimedia-6.3.1_1
 libQt6Multimedia.so.6 qt6-multimedia-6.3.1_1
+libQt6WebEngineQuick.so.6 qt6-webengine-6.3.1_1
+libQt6PdfWidgets.so.6 qt6-webengine-6.3.1_1
+libQt6PdfQuick.so.6 qt6-webengine-6.3.1_1
+libQt6WebEngineCore.so.6 qt6-webengine-6.3.1_1
+libQt6Pdf.so.6 qt6-webengine-6.3.1_1
+libQt6WebEngineQuickDelegatesQml.so.6 qt6-webengine-6.3.1_1
+libQt6WebEngineWidgets.so.6 qt6-webengine-6.3.1_1
 libnpth.so.0 npth-1.1_1
 libnpupnp.so.9 libnpupnp-5.0.0_1
 libglfw.so.3 glfw-3.0.4_1
diff --git a/srcpkgs/qt6-webengine-devel b/srcpkgs/qt6-webengine-devel
new file mode 120000
index 000000000000..8e4d1b99c587
--- /dev/null
+++ b/srcpkgs/qt6-webengine-devel
@@ -0,0 +1 @@
+qt6-webengine
\ No newline at end of file
diff --git a/srcpkgs/qt6-webengine-examples b/srcpkgs/qt6-webengine-examples
new file mode 120000
index 000000000000..8e4d1b99c587
--- /dev/null
+++ b/srcpkgs/qt6-webengine-examples
@@ -0,0 +1 @@
+qt6-webengine
\ No newline at end of file
diff --git a/srcpkgs/qt6-webengine/patches/0001-None-no-debug.patch b/srcpkgs/qt6-webengine/patches/0001-None-no-debug.patch
new file mode 100644
index 000000000000..b221fdcd392f
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0001-None-no-debug.patch
@@ -0,0 +1,11 @@
+--- qt6-webengine-6.4.2.orig/cmake/Functions.cmake
++++ qt6-webengine-6.4.2/cmake/Functions.cmake
+@@ -820,6 +820,8 @@ macro(append_build_type_setup)
+         endif()
+     elseif(${config} STREQUAL "MinSizeRel")
+         list(APPEND gnArgArg is_debug=false symbol_level=0 optimize_for_size=true)
++    elseif(${config} STREQUAL "None")
++        list(APPEND gnArgArg is_debug=false symbol_level=0)
+     endif()
+     if(FEATURE_developer_build OR (${config} STREQUAL "Debug") OR QT_FEATURE_webengine_sanitizer)
+         list(APPEND gnArgArg
diff --git a/srcpkgs/qt6-webengine/patches/0003-cross-hack.patch b/srcpkgs/qt6-webengine/patches/0003-cross-hack.patch
new file mode 100644
index 000000000000..a3f0a5791406
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0003-cross-hack.patch
@@ -0,0 +1,10 @@
+--- qt6-webengine-6.4.2.orig/src/core/api/CMakeLists.txt
++++ qt6-webengine-6.4.2/src/core/api/CMakeLists.txt
+@@ -51,6 +51,7 @@ qt_internal_add_module(WebEngineCore
+         Qt::Gui
+         Qt::Network
+         Qt::Quick
++        X11
+ )
+ 
+ set_target_properties(WebEngineCore PROPERTIES QTWEBENGINEPROCESS_NAME ${qtWebEngineProcessName})
diff --git a/srcpkgs/qt6-webengine/patches/0004-ppc-disable-jxl-decoder.patch b/srcpkgs/qt6-webengine/patches/0004-ppc-disable-jxl-decoder.patch
new file mode 100644
index 000000000000..979cb9a0519c
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0004-ppc-disable-jxl-decoder.patch
@@ -0,0 +1,13 @@
+--- qt6-webengine-6.4.2.orig/src/core/CMakeLists.txt
++++ qt6-webengine-6.4.2/src/core/CMakeLists.txt
+@@ -435,6 +435,10 @@ foreach(arch ${archs})
+                 CONDITION QT_FEATURE_webengine_ozone_x11 AND QT_FEATURE_webengine_webrtc
+             )
+ 
++            if (cpu STREQUAL "ppc64")
++                list(APPEND gnArgArg enable_jxl_decoder=false)
++            endif()
++
+             if(QT_FEATURE_webengine_kerberos)
+                 list(APPEND gnArgArg
+                      external_gssapi_include_dir="${GSSAPI_INCLUDE_DIRS}/gssapi"
diff --git a/srcpkgs/qt6-webengine/patches/0050-no-glibc-cmake-check.patch b/srcpkgs/qt6-webengine/patches/0050-no-glibc-cmake-check.patch
new file mode 100644
index 000000000000..d9116dc5857e
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0050-no-glibc-cmake-check.patch
@@ -0,0 +1,14 @@
+--- qt6-webengine-6.4.2.orig/configure.cmake
++++ qt6-webengine-6.4.2/configure.cmake
+@@ -499,11 +499,6 @@ add_check_for_support(
+ )
+ add_check_for_support(
+    MODULES QtWebEngine QtPdf
+-   CONDITION NOT LINUX OR TEST_glibc
+-   MESSAGE "A suitable version >= 2.17 of glibc is required."
+-)
+-add_check_for_support(
+-   MODULES QtWebEngine QtPdf
+    CONDITION NOT LINUX OR TEST_khr
+    MESSAGE "Build requires Khronos development headers for build - see mesa/libegl1-mesa-dev"
+ )
diff --git a/srcpkgs/qt6-webengine/patches/0100-chromium-revert-9d080c0.patch b/srcpkgs/qt6-webengine/patches/0100-chromium-revert-9d080c0.patch
new file mode 100644
index 000000000000..adca364a4060
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0100-chromium-revert-9d080c0.patch
@@ -0,0 +1,154 @@
+Revert 9d080c0934b848ee4a05013c78641e612fcc1e03
+
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/build/config/sanitizers/BUILD.gn
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/build/config/sanitizers/BUILD.gn
+@@ -271,11 +271,11 @@ config("asan_flags") {
+   if (is_asan) {
+     cflags += [ "-fsanitize=address" ]
+     if (is_win) {
+-      if (!defined(asan_win_blocklist_path)) {
+-        asan_win_blocklist_path =
++      if (!defined(asan_win_blacklist_path)) {
++        asan_win_blacklist_path =
+             rebase_path("//tools/memory/asan/blocklist_win.txt", root_build_dir)
+       }
+-      cflags += [ "-fsanitize-ignorelist=$asan_win_blocklist_path" ]
++      cflags += [ "-fsanitize-blacklist=$asan_win_blacklist_path" ]
+     }
+   }
+ }
+@@ -305,13 +305,13 @@ config("link_shared_library") {
+ config("cfi_flags") {
+   cflags = []
+   if (is_cfi && current_toolchain == default_toolchain) {
+-    if (!defined(cfi_ignorelist_path)) {
+-      cfi_ignorelist_path =
++    if (!defined(cfi_blacklist_path)) {
++      cfi_blacklist_path =
+           rebase_path("//tools/cfi/ignores.txt", root_build_dir)
+     }
+     cflags += [
+       "-fsanitize=cfi-vcall",
+-      "-fsanitize-ignorelist=$cfi_ignorelist_path",
++      "-fsanitize-blacklist=$cfi_blacklist_path",
+     ]
+ 
+     if (use_cfi_cast) {
+@@ -408,14 +408,14 @@ config("msan_flags") {
+   if (is_msan) {
+     assert(is_linux || is_chromeos,
+            "msan only supported on linux x86_64/ChromeOS")
+-    if (!defined(msan_ignorelist_path)) {
+-      msan_ignorelist_path =
+-          rebase_path("//tools/msan/ignorelist.txt", root_build_dir)
++    if (!defined(msan_blacklist_path)) {
++      msan_blacklist_path =
++          rebase_path("//tools/msan/blacklist.txt", root_build_dir)
+     }
+     cflags = [
+       "-fsanitize=memory",
+       "-fsanitize-memory-track-origins=$msan_track_origins",
+-      "-fsanitize-ignorelist=$msan_ignorelist_path",
++      "-fsanitize-blacklist=$msan_blacklist_path",
+     ]
+   }
+ }
+@@ -423,13 +423,13 @@ config("msan_flags") {
+ config("tsan_flags") {
+   if (is_tsan) {
+     assert(is_linux || is_chromeos, "tsan only supported on linux x86_64")
+-    if (!defined(tsan_ignorelist_path)) {
+-      tsan_ignorelist_path =
++    if (!defined(tsan_blacklist_path)) {
++      tsan_blacklist_path =
+           rebase_path("//tools/memory/tsan_v2/ignores.txt", root_build_dir)
+     }
+     cflags = [
+       "-fsanitize=thread",
+-      "-fsanitize-ignorelist=$tsan_ignorelist_path",
++      "-fsanitize-blacklist=$tsan_blacklist_path",
+     ]
+   }
+ }
+@@ -437,8 +437,8 @@ config("tsan_flags") {
+ config("ubsan_flags") {
+   cflags = []
+   if (is_ubsan) {
+-    if (!defined(ubsan_ignorelist_path)) {
+-      ubsan_ignorelist_path =
++    if (!defined(ubsan_blacklist_path)) {
++      ubsan_blacklist_path =
+           rebase_path("//tools/ubsan/ignorelist.txt", root_build_dir)
+     }
+     cflags += [
+@@ -455,7 +455,7 @@ config("ubsan_flags") {
+       "-fsanitize=signed-integer-overflow",
+       "-fsanitize=unreachable",
+       "-fsanitize=vla-bound",
+-      "-fsanitize-ignorelist=$ubsan_ignorelist_path",
++      "-fsanitize-blacklist=$ubsan_blacklist_path",
+     ]
+     if (!is_clang) {
+       # These exposes too much illegal C++14 code to compile on anything stricter than clang:
+@@ -496,8 +496,8 @@ config("ubsan_no_recover") {
+ 
+ config("ubsan_security_flags") {
+   if (is_ubsan_security) {
+-    if (!defined(ubsan_security_ignorelist_path)) {
+-      ubsan_security_ignorelist_path =
++    if (!defined(ubsan_security_blacklist_path)) {
++      ubsan_security_blacklist_path =
+           rebase_path("//tools/ubsan/security_ignorelist.txt", root_build_dir)
+     }
+     cflags = [
+@@ -505,7 +505,7 @@ config("ubsan_security_flags") {
+       "-fsanitize=shift",
+       "-fsanitize=signed-integer-overflow",
+       "-fsanitize=vla-bound",
+-      "-fsanitize-ignorelist=$ubsan_security_ignorelist_path",
++      "-fsanitize-blacklist=$ubsan_security_blacklist_path",
+     ]
+   }
+ }
+@@ -518,13 +518,13 @@ config("ubsan_null_flags") {
+ 
+ config("ubsan_vptr_flags") {
+   if (is_ubsan_vptr) {
+-    if (!defined(ubsan_vptr_ignorelist_path)) {
+-      ubsan_vptr_ignorelist_path =
++    if (!defined(ubsan_vptr_blacklist_path)) {
++      ubsan_vptr_blacklist_path =
+           rebase_path("//tools/ubsan/vptr_ignorelist.txt", root_build_dir)
+     }
+     cflags = [
+       "-fsanitize=vptr",
+-      "-fsanitize-ignorelist=$ubsan_vptr_ignorelist_path",
++      "-fsanitize-blacklist=$ubsan_vptr_blacklist_path",
+     ]
+     if (!is_clang) {
+       # Clang specific flag:
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/build_overrides/build.gni
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/build_overrides/build.gni
+@@ -43,15 +43,15 @@ declare_args() {
+ # Allows different projects to specify their own suppression/ignore lists for
+ # sanitizer tools.
+ # asan_suppressions_file = "path/to/asan_suppressions.cc"
+-# asan_win_ignorelist_path = "path/to/asan/blocklist_win.txt"
++# asan_win_blacklist_path = "path/to/asan/blocklist_win.txt"
+ # lsan_suppressions_file = "path/to/lsan_suppressions.cc"
+ # tsan_suppressions_file = "path/to/tsan_suppressions.cc"
+-# tsan_ignorelist_path = "path/to/tsan/ignores.txt"
+-# msan_ignorelist_path = "path/to/msan/ignorelist.txt"
+-# ubsan_ignorelist_path = "path/to/ubsan/ignorelist.txt"
+-# ubsan_vptr_ignorelist_path = "path/to/ubsan/vptr_ignorelist.txt"
+-# ubsan_security_ignorelist_path = "path/to/ubsan/security_ignorelist.txt"
+-# cfi_ignorelist_path = "path/to/cfi/ignores.txt"
++# tsan_blacklist_path = "path/to/tsan/ignores.txt"
++# msan_blacklist_path = "path/to/msan/blacklist.txt"
++# ubsan_blacklist_path = "path/to/ubsan/blacklist.txt"
++# ubsan_vptr_blacklist_path = "path/to/ubsan/vptr_blacklist.txt"
++# ubsan_security_blacklist_path = "path/to/ubsan/security_blacklist.txt"
++# cfi_blacklist_path = "path/to/cfi/ignores.txt"
+ 
+ if (host_os == "mac" || is_apple) {
+   # Needed for is_apple when targeting macOS or iOS, independent of host.
diff --git a/srcpkgs/qt6-webengine/patches/0101-chromium-102-fenced_frame_utils-include.patch b/srcpkgs/qt6-webengine/patches/0101-chromium-102-fenced_frame_utils-include.patch
new file mode 100644
index 000000000000..f41c7984840d
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0101-chromium-102-fenced_frame_utils-include.patch
@@ -0,0 +1,20 @@
+From 7c135a291184b59a59643ed6a8c40b4405ac0175 Mon Sep 17 00:00:00 2001
+From: Stephan Hartmann <stha09@googlemail.com>
+Date: Wed, 27 Apr 2022 16:01:01 +0000
+Subject: [PATCH] IWYU: add cstring for std::strlen in fenced_frame_utils
+
+---
+ third_party/blink/common/fenced_frame/fenced_frame_utils.cc | 2 ++
+ 1 file changed, 2 insertions(+)
+
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/blink/common/fenced_frame/fenced_frame_utils.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/blink/common/fenced_frame/fenced_frame_utils.cc
+@@ -6,6 +6,8 @@
+ 
+ #include <cstring>
+ 
++#include <cstring>
++
+ #include "base/guid.h"
+ #include "base/strings/string_util.h"
+ 
diff --git a/srcpkgs/qt6-webengine/patches/0102-chromium-102-regex_pattern-array.patch b/srcpkgs/qt6-webengine/patches/0102-chromium-102-regex_pattern-array.patch
new file mode 100644
index 000000000000..420ef941a386
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0102-chromium-102-regex_pattern-array.patch
@@ -0,0 +1,14 @@
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/components/autofill/core/browser/BUILD.gn
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/components/autofill/core/browser/BUILD.gn
+@@ -34,6 +34,11 @@ action("regex_patterns_inl_h") {
+ }
+ 
+ jumbo_static_library("browser") {
++  if (is_clang) {
++    cflags = [
++      "-fbracket-depth=1000",
++    ]
++  }
+   sources = [
+     "address_normalization_manager.cc",
+     "address_normalization_manager.h",
diff --git a/srcpkgs/qt6-webengine/patches/0103-chromium-i686-vaapi-fpermissive.patch b/srcpkgs/qt6-webengine/patches/0103-chromium-i686-vaapi-fpermissive.patch
new file mode 100644
index 000000000000..708d567a04dc
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0103-chromium-i686-vaapi-fpermissive.patch
@@ -0,0 +1,23 @@
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/media/gpu/vaapi/BUILD.gn
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/media/gpu/vaapi/BUILD.gn
+@@ -14,6 +14,12 @@ import("//ui/gl/features.gni")
+ assert(is_linux || is_chromeos)
+ assert(use_vaapi)
+ 
++config("vaapi_permissive") {
++  if (target_cpu == "x86") {
++    cflags = [ "-fpermissive" ]
++  }
++}
++
+ generate_stubs("libva_stubs") {
+   extra_header = "va_stub_header.fragment"
+   sigs = [ "va.sigs" ]
+@@ -89,6 +95,7 @@ source_set("vaapi") {
+   configs += [
+     "//build/config/linux/libva",
+     "//third_party/libvpx:libvpx_config",
++    ":vaapi_permissive",
+   ]
+ 
+   deps = [
diff --git a/srcpkgs/qt6-webengine/patches/0104-chromium-libxml-unbundle.patch b/srcpkgs/qt6-webengine/patches/0104-chromium-libxml-unbundle.patch
new file mode 100644
index 000000000000..baca484abc4a
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0104-chromium-libxml-unbundle.patch
@@ -0,0 +1,10 @@
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/build/linux/unbundle/libxml.gn
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/build/linux/unbundle/libxml.gn
+@@ -19,6 +19,7 @@ static_library("libxml_utils") {
+     ":xml_reader",
+     ":xml_writer",
+     "//base/test:test_support",
++    "//services/data_decoder:lib",
+     "//services/data_decoder:xml_parser_fuzzer_deps",
+   ]
+   sources = [
diff --git a/srcpkgs/qt6-webengine/patches/0105-chromium-revert-drop-of-system-java.patch b/srcpkgs/qt6-webengine/patches/0105-chromium-revert-drop-of-system-java.patch
new file mode 100644
index 000000000000..d6abf7adcabc
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0105-chromium-revert-drop-of-system-java.patch
@@ -0,0 +1,15 @@
+This was dropped for some reason in 6951c37cecd05979b232a39e5c10e6346a0f74ef
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/closure_compiler/compiler.py
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/closure_compiler/compiler.py
+@@ -13,8 +13,9 @@ import subprocess
+ 
+ 
+ _CURRENT_DIR = os.path.join(os.path.dirname(__file__))
+-_JAVA_PATH = os.path.join(_CURRENT_DIR, "..", "jdk", "current", "bin", "java")
+-assert os.path.isfile(_JAVA_PATH), "java only allowed in android builds"
++_JAVA_BIN = "java"
++_JDK_PATH = os.path.join(_CURRENT_DIR, "..", "jdk", "current", "bin", "java")
++_JAVA_PATH = _JDK_PATH if os.path.isfile(_JDK_PATH) else _JAVA_BIN
+ 
+ class Compiler(object):
+   """Runs the Closure compiler on given source files to typecheck them
diff --git a/srcpkgs/qt6-webengine/patches/0106-chromium-system-nodejs.patch b/srcpkgs/qt6-webengine/patches/0106-chromium-system-nodejs.patch
new file mode 100644
index 000000000000..1648f764ea19
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0106-chromium-system-nodejs.patch
@@ -0,0 +1,29 @@
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/node/node.py
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/node/node.py
+@@ -18,25 +18,7 @@ def which(cmd):
+     return None
+ 
+ def GetBinaryPath():
+-  if sys.platform == 'win32':
+-    nodejs = which('node.exe')
+-    if nodejs:
+-      return nodejs
+-  else:
+-    nodejs = which('nodejs')
+-    if nodejs:
+-      return nodejs
+-    nodejs = which('node')
+-    if nodejs:
+-      return nodejs
+-
+-  darwin_name = ('node-darwin-arm64' if platform.machine() == 'arm64' else
+-                 'node-darwin-x64')
+-  return os_path.join(os_path.dirname(__file__), *{
+-    'Darwin': ('mac', darwin_name, 'bin', 'node'),
+-    'Linux': ('linux', 'node-linux-x64', 'bin', 'node'),
+-    'Windows': ('win', 'node.exe'),
+-  }[platform.system()])
++  return "/usr/bin/node"
+ 
+ 
+ def RunNode(cmd_parts, stdout=None):
diff --git a/srcpkgs/qt6-webengine/patches/0107-chromium-cross-build.patch b/srcpkgs/qt6-webengine/patches/0107-chromium-cross-build.patch
new file mode 100644
index 000000000000..44954dfbb1e5
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0107-chromium-cross-build.patch
@@ -0,0 +1,65 @@
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/build/config/compiler/BUILD.gn
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/build/config/compiler/BUILD.gn
+@@ -58,6 +58,10 @@ if (!is_clang) {
+ }
+ 
+ declare_args() {
++  is_musl = false
++}
++
++declare_args() {
+   # Normally, Android builds are lightly optimized, even for debug builds, to
+   # keep binary size down. Setting this flag to true disables such optimization
+   android_full_debug = false
+@@ -970,8 +974,13 @@ config("compiler_cpu_abi") {
+       }
+     } else if (current_cpu == "arm64") {
+       if (is_clang && !is_android && !is_nacl && !is_fuchsia) {
+-        cflags += [ "--target=aarch64-linux-gnu" ]
+-        ldflags += [ "--target=aarch64-linux-gnu" ]
++        if (is_musl) {
++          cflags += [ "--target=aarch64-linux-musl" ]
++          ldflags += [ "--target=aarch64-linux-musl" ]
++        } else {
++          cflags += [ "--target=aarch64-linux-gnu" ]
++          ldflags += [ "--target=aarch64-linux-gnu" ]
++        }
+       }
+       if (is_android) {
+         # Outline atomics crash on Exynos 9810. http://crbug.com/1272795
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/build/toolchain/linux/unbundle/BUILD.gn
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/build/toolchain/linux/unbundle/BUILD.gn
+@@ -39,3 +39,22 @@ gcc_toolchain("host") {
+     current_os = current_os
+   }
+ }
++
++gcc_toolchain("v8_snapshot_cross") {
++  cc = getenv("BUILD_CC")
++  cxx = getenv("BUILD_CXX")
++  ar = getenv("BUILD_AR")
++  nm = getenv("BUILD_NM")
++  ld = cxx
++
++  extra_cflags = getenv("BUILD_CFLAGS")
++  extra_cppflags = getenv("BUILD_CPPFLAGS")
++  extra_cxxflags = getenv("BUILD_CXXFLAGS")
++  extra_ldflags = getenv("BUILD_LDFLAGS")
++
++  toolchain_args = {
++    current_cpu = host_cpu
++    current_os = host_os
++    v8_current_cpu = target_cpu
++  }
++}
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/build/config/linux/pkg_config.gni
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/build/config/linux/pkg_config.gni
+@@ -92,7 +92,7 @@ template("pkg_config") {
+   assert(defined(invoker.packages),
+          "Variable |packages| must be defined to be a list in pkg_config.")
+   config(target_name) {
+-    if (host_toolchain == current_toolchain) {
++    if (current_cpu != target_cpu) {
+       args = common_pkg_config_args + host_pkg_config_args + invoker.packages
+     } else {
+       args = common_pkg_config_args + pkg_config_args + invoker.packages
diff --git a/srcpkgs/qt6-webengine/patches/0108-chromium-cursed^Uscoped_file.patch b/srcpkgs/qt6-webengine/patches/0108-chromium-cursed^Uscoped_file.patch
new file mode 100644
index 000000000000..dd31da9790ad
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0108-chromium-cursed^Uscoped_file.patch
@@ -0,0 +1,18 @@
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/base/files/scoped_file_linux.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/base/files/scoped_file_linux.cc
+@@ -77,15 +77,3 @@ bool IsFDOwned(int fd) {
+ }
+ 
+ }  // namespace base
+-
+-extern "C" {
+-
+-int __close(int);
+-
+-__attribute__((visibility("default"), noinline)) int close(int fd) {
+-  if (base::IsFDOwned(fd) && g_is_ownership_enforced)
+-    CrashOnFdOwnershipViolation();
+-  return __close(fd);
+-}
+-
+-}  // extern "C"
diff --git a/srcpkgs/qt6-webengine/patches/0109-chromium-aarch64-musl-memory-tagging.patch b/srcpkgs/qt6-webengine/patches/0109-chromium-aarch64-musl-memory-tagging.patch
new file mode 100644
index 000000000000..0ff2a2a51aaa
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0109-chromium-aarch64-musl-memory-tagging.patch
@@ -0,0 +1,29 @@
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/base/allocator/partition_allocator/tagging.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/base/allocator/partition_allocator/tagging.cc
+@@ -28,13 +28,25 @@
+ #endif
+ #endif
+ 
+-#ifndef HAS_PR_MTE_MACROS
++#ifndef PR_MTE_TCF_SHIFT
+ #define PR_MTE_TCF_SHIFT 1
++#endif
++#ifndef PR_MTE_TCF_NONE
+ #define PR_MTE_TCF_NONE (0UL << PR_MTE_TCF_SHIFT)
++#endif
++#ifndef PR_MTE_TCF_SYNC
+ #define PR_MTE_TCF_SYNC (1UL << PR_MTE_TCF_SHIFT)
++#endif
++#ifndef PR_MTE_TCF_ASYNC
+ #define PR_MTE_TCF_ASYNC (2UL << PR_MTE_TCF_SHIFT)
++#endif
++#ifndef PR_MTE_TCF_MASK
+ #define PR_MTE_TCF_MASK (3UL << PR_MTE_TCF_SHIFT)
++#endif
++#ifndef PR_MTE_TAG_SHIFT
+ #define PR_MTE_TAG_SHIFT 3
++#endif
++#ifndef PR_MTE_TAG_MASK
+ #define PR_MTE_TAG_MASK (0xffffUL << PR_MTE_TAG_SHIFT)
+ #endif
+ #endif
diff --git a/srcpkgs/qt6-webengine/patches/0110-chromium-fix-missing-TEMP_FAILURE_RETRY-macro.patch b/srcpkgs/qt6-webengine/patches/0110-chromium-fix-missing-TEMP_FAILURE_RETRY-macro.patch
new file mode 100644
index 000000000000..5558c54cf802
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0110-chromium-fix-missing-TEMP_FAILURE_RETRY-macro.patch
@@ -0,0 +1,21 @@
+This macro is defined in glibc, but not musl.
+
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/sandbox/linux/suid/process_util.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/sandbox/linux/suid/process_util.h
+@@ -12,6 +12,16 @@
+ #include <stdint.h>
+ #include <sys/types.h>
+ 
++// Some additional functions
++#if !defined(TEMP_FAILURE_RETRY)
++# define TEMP_FAILURE_RETRY(expression) \
++	(__extension__			\
++	 ({ long int __result;		\
++	  do __result = (long int) (expression); \
++	  while (__result == -1L && errno == EINTR); \
++	  __result; }))
++#endif
++
+ // This adjusts /proc/process/oom_score_adj so the Linux OOM killer
+ // will prefer certain process types over others. The range for the
+ // adjustment is [-1000, 1000], with [0, 1000] being user accessible.
diff --git a/srcpkgs/qt6-webengine/patches/0111-chromium-cstdint.patch b/srcpkgs/qt6-webengine/patches/0111-chromium-cstdint.patch
new file mode 100644
index 000000000000..f5787621b579
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0111-chromium-cstdint.patch
@@ -0,0 +1,10 @@
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/net/third_party/quiche/src/quiche/http2/adapter/window_manager.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/net/third_party/quiche/src/quiche/http2/adapter/window_manager.h
+@@ -3,6 +3,7 @@
+ 
+ #include <stddef.h>
+ 
++#include <cstdint>
+ #include <functional>
+ 
+ #include "quiche/common/platform/api/quiche_export.h"
diff --git a/srcpkgs/qt6-webengine/patches/0112-chromium-unistd.h b/srcpkgs/qt6-webengine/patches/0112-chromium-unistd.h
new file mode 100644
index 000000000000..bb242a808ace
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0112-chromium-unistd.h
@@ -0,0 +1,10 @@
+--- a/src/3rdparty/chromium/sandbox/linux/services/credentials.h
++++ b/src/3rdparty/chromium/sandbox/linux/services/credentials.h
+@@ -13,6 +13,7 @@
+ 
+ #include <string>
+ #include <vector>
++#include <unistd.h>
+ 
+ #include "sandbox/linux/system_headers/capability.h"
+ #include "sandbox/sandbox_export.h"
diff --git a/srcpkgs/qt6-webengine/patches/0113-chromium-pthread-stacksize.patch b/srcpkgs/qt6-webengine/patches/0113-chromium-pthread-stacksize.patch
new file mode 100644
index 000000000000..384fd0af186d
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0113-chromium-pthread-stacksize.patch
@@ -0,0 +1,16 @@
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/base/threading/platform_thread_linux.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/base/threading/platform_thread_linux.cc
+@@ -437,8 +437,13 @@ void TerminateOnThread() {}
+ 
+ size_t GetDefaultThreadStackSize(const pthread_attr_t& attributes) {
+ #if !defined(THREAD_SANITIZER)
++#if defined(__GLIBC__)
+   return 0;
+ #else
++  // musl libcs default is too small, use 8mb like glibc
++  return (1 << 23);
++#endif
++#else
+   // ThreadSanitizer bloats the stack heavily. Evidence has been that the
+   // default stack size isn't enough for some browser tests.
+   return 2 * (1 << 23);  // 2 times 8192K (the default stack size on Linux).
diff --git a/srcpkgs/qt6-webengine/patches/0114-do-not-narrow-int.patch b/srcpkgs/qt6-webengine/patches/0114-do-not-narrow-int.patch
new file mode 100644
index 000000000000..2cd6a07382ac
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0114-do-not-narrow-int.patch
@@ -0,0 +1,53 @@
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/base/files/file_util_linux.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/base/files/file_util_linux.cc
+@@ -23,14 +23,14 @@ bool GetFileSystemType(const FilePath& p
+ 
+   // Not all possible |statfs_buf.f_type| values are in linux/magic.h.
+   // Missing values are copied from the statfs man page.
+-  switch (statfs_buf.f_type) {
++  switch (static_cast<uintmax_t>(statfs_buf.f_type)) {
+     case 0:
+       *type = FILE_SYSTEM_0;
+       break;
+     case EXT2_SUPER_MAGIC:  // Also ext3 and ext4
+     case MSDOS_SUPER_MAGIC:
+     case REISERFS_SUPER_MAGIC:
+-    case static_cast<int>(BTRFS_SUPER_MAGIC):
++    case BTRFS_SUPER_MAGIC:
+     case 0x5346544E:  // NTFS
+     case 0x58465342:  // XFS
+     case 0x3153464A:  // JFS
+@@ -40,14 +40,14 @@ bool GetFileSystemType(const FilePath& p
+       *type = FILE_SYSTEM_NFS;
+       break;
+     case SMB_SUPER_MAGIC:
+-    case static_cast<int>(0xFF534D42):  // CIFS
++    case 0xFF534D42:  // CIFS
+       *type = FILE_SYSTEM_SMB;
+       break;
+     case CODA_SUPER_MAGIC:
+       *type = FILE_SYSTEM_CODA;
+       break;
+-    case static_cast<int>(HUGETLBFS_MAGIC):
+-    case static_cast<int>(RAMFS_MAGIC):
++    case HUGETLBFS_MAGIC:
++    case RAMFS_MAGIC:
+     case TMPFS_MAGIC:
+       *type = FILE_SYSTEM_MEMORY;
+       break;
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/base/system/sys_info_posix.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/base/system/sys_info_posix.cc
+@@ -100,10 +100,10 @@ bool IsStatsZeroIfUnlimited(const base::
+   if (HANDLE_EINTR(statfs(path.value().c_str(), &stats)) != 0)
+     return false;
+ 
+-  switch (stats.f_type) {
++  switch (static_cast<uintmax_t>(stats.f_type)) {
+     case TMPFS_MAGIC:
+-    case static_cast<int>(HUGETLBFS_MAGIC):
+-    case static_cast<int>(RAMFS_MAGIC):
++    case HUGETLBFS_MAGIC:
++    case RAMFS_MAGIC:
+       return true;
+   }
+   return false;
diff --git a/srcpkgs/qt6-webengine/patches/0115-chromium-no-canonicalize-file-name.patch b/srcpkgs/qt6-webengine/patches/0115-chromium-no-canonicalize-file-name.patch
new file mode 100644
index 000000000000..556784b013de
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0115-chromium-no-canonicalize-file-name.patch
@@ -0,0 +1,12 @@
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/nasm/config/config-linux.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/nasm/config/config-linux.h
+@@ -139,7 +139,9 @@
+ #define HAVE_ACCESS 1
+ 
+ /* Define to 1 if you have the `canonicalize_file_name' function. */
++#ifdef __GLIBC__
+ #define HAVE_CANONICALIZE_FILE_NAME 1
++#endif
+ 
+ /* Define to 1 if you have the `cpu_to_le16' intrinsic function. */
+ /* #undef HAVE_CPU_TO_LE16 */
diff --git a/srcpkgs/qt6-webengine/patches/0116-chromium-musl-get-thread-name.patch b/srcpkgs/qt6-webengine/patches/0116-chromium-musl-get-thread-name.patch
new file mode 100644
index 000000000000..d485385cbb62
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0116-chromium-musl-get-thread-name.patch
@@ -0,0 +1,22 @@
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/perfetto/include/perfetto/ext/base/thread_utils.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/perfetto/include/perfetto/ext/base/thread_utils.h
+@@ -30,7 +30,8 @@
+ #include <algorithm>
+ #endif
+ 
+-#if PERFETTO_BUILDFLAG(PERFETTO_OS_ANDROID)
++#if PERFETTO_BUILDFLAG(PERFETTO_OS_ANDROID) || \
++    (PERFETTO_BUILDFLAG(PERFETTO_OS_LINUX) && !defined(__GLIBC__))
+ #include <sys/prctl.h>
+ #endif
+ 
+@@ -58,7 +59,8 @@ inline bool MaybeSetThreadName(const std
+ 
+ inline bool GetThreadName(std::string& out_result) {
+   char buf[16] = {};
+-#if PERFETTO_BUILDFLAG(PERFETTO_OS_ANDROID)
++#if PERFETTO_BUILDFLAG(PERFETTO_OS_ANDROID) || \
++    (PERFETTO_BUILDFLAG(PERFETTO_OS_LINUX) && !defined(__GLIBC__))
+   if (prctl(PR_GET_NAME, buf) != 0)
+     return false;
+ #else
diff --git a/srcpkgs/qt6-webengine/patches/0117-chromium-musl-resolver.patch b/srcpkgs/qt6-webengine/patches/0117-chromium-musl-resolver.patch
new file mode 100644
index 000000000000..176524adc083
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0117-chromium-musl-resolver.patch
@@ -0,0 +1,64 @@
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/net/dns/public/scoped_res_state.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/net/dns/public/scoped_res_state.cc
+@@ -13,7 +13,7 @@
+ namespace net {
+ 
+ ScopedResState::ScopedResState() {
+-#if BUILDFLAG(IS_OPENBSD) || BUILDFLAG(IS_FUCHSIA)
++#if BUILDFLAG(IS_OPENBSD) || BUILDFLAG(IS_FUCHSIA) || (BUILDFLAG(IS_LINUX) && !defined(__GLIBC__))
+   // Note: res_ninit in glibc always returns 0 and sets RES_INIT.
+   // res_init behaves the same way.
+   memset(&_res, 0, sizeof(_res));
+@@ -25,7 +25,7 @@ ScopedResState::ScopedResState() {
+ }
+ 
+ ScopedResState::~ScopedResState() {
+-#if !BUILDFLAG(IS_OPENBSD) && !BUILDFLAG(IS_FUCHSIA)
++#if !BUILDFLAG(IS_OPENBSD) && !BUILDFLAG(IS_FUCHSIA) && !(BUILDFLAG(IS_LINUX) && !defined(__GLIBC__))
+ 
+   // Prefer res_ndestroy where available.
+ #if BUILDFLAG(IS_APPLE) || BUILDFLAG(IS_FREEBSD)
+@@ -34,7 +34,7 @@ ScopedResState::~ScopedResState() {
+   res_nclose(&res_);
+ #endif  // BUILDFLAG(IS_APPLE) || BUILDFLAG(IS_FREEBSD)
+ 
+-#endif  // !BUILDFLAG(IS_OPENBSD) && !BUILDFLAG(IS_FUCHSIA)
++#endif  // !BUILDFLAG(IS_OPENBSD) && !BUILDFLAG(IS_FUCHSIA) && !(BUILDFLAG(IS_LINUX) && !defined(__GLIBC__))
+ }
+ 
+ bool ScopedResState::IsValid() const {
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/net/dns/host_resolver_manager.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/net/dns/host_resolver_manager.cc
+@@ -3158,7 +3158,7 @@ HostResolverManager::HostResolverManager
+   if (system_dns_config_notifier_)
+     system_dns_config_notifier_->AddObserver(this);
+ #if BUILDFLAG(IS_POSIX) && !BUILDFLAG(IS_APPLE) && !BUILDFLAG(IS_OPENBSD) && \
+-    !BUILDFLAG(IS_ANDROID)
++    !BUILDFLAG(IS_ANDROID) && !(BUILDFLAG(IS_LINUX) && !defined(__GLIBC__))
+   EnsureDnsReloaderInit();
+ #endif
+ 
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/net/dns/dns_reloader.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/net/dns/dns_reloader.cc
+@@ -7,7 +7,8 @@
+ #include "build/build_config.h"
+ 
+ #if BUILDFLAG(IS_POSIX) && !BUILDFLAG(IS_APPLE) && !BUILDFLAG(IS_OPENBSD) && \
+-    !BUILDFLAG(IS_ANDROID) && !BUILDFLAG(IS_FUCHSIA)
++    !BUILDFLAG(IS_ANDROID) && !BUILDFLAG(IS_FUCHSIA) && \
++    !(BUILDFLAG(IS_LINUX) && !defined(__GLIBC__))
+ 
+ #include <resolv.h>
+ 
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/net/dns/host_resolver_proc.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/net/dns/host_resolver_proc.cc
+@@ -192,7 +192,8 @@ int SystemHostResolverCall(const std::st
+                                                 base::BlockingType::WILL_BLOCK);
+ 
+ #if BUILDFLAG(IS_POSIX) && \
+-    !(BUILDFLAG(IS_APPLE) || BUILDFLAG(IS_OPENBSD) || BUILDFLAG(IS_ANDROID))
++    !(BUILDFLAG(IS_APPLE) || BUILDFLAG(IS_OPENBSD) || BUILDFLAG(IS_ANDROID) || \
++    (BUILDFLAG(IS_LINUX) && !defined(__GLIBC__)))
+   DnsReloaderMaybeReload();
+ #endif
+   auto [ai, err, os_error] = AddressInfo::Get(host, hints, nullptr, network);
diff --git a/srcpkgs/qt6-webengine/patches/0119-chromium-musl-stack-utils.patch b/srcpkgs/qt6-webengine/patches/0119-chromium-musl-stack-utils.patch
new file mode 100644
index 000000000000..548a1dec76b4
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0119-chromium-musl-stack-utils.patch
@@ -0,0 +1,20 @@
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/blink/renderer/platform/wtf/stack_util.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/blink/renderer/platform/wtf/stack_util.cc
+@@ -29,7 +29,7 @@ size_t GetUnderestimatedStackSize() {
+ // FIXME: On Mac OSX and Linux, this method cannot estimate stack size
+ // correctly for the main thread.
+ 
+-#elif defined(__GLIBC__) || BUILDFLAG(IS_ANDROID) || BUILDFLAG(IS_FREEBSD) || \
++#elif BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_ANDROID) || BUILDFLAG(IS_FREEBSD) || \
+     BUILDFLAG(IS_FUCHSIA)
+   // pthread_getattr_np() can fail if the thread is not invoked by
+   // pthread_create() (e.g., the main thread of blink_unittests).
+@@ -97,7 +97,7 @@ size_t GetUnderestimatedStackSize() {
+ }
+ 
+ void* GetStackStart() {
+-#if defined(__GLIBC__) || BUILDFLAG(IS_ANDROID) || BUILDFLAG(IS_FREEBSD) || \
++#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_ANDROID) || BUILDFLAG(IS_FREEBSD) || \
+     BUILDFLAG(IS_FUCHSIA)
+   pthread_attr_t attr;
+   int error;
diff --git a/srcpkgs/qt6-webengine/patches/0120-chromium-libc-malloc.patch b/srcpkgs/qt6-webengine/patches/0120-chromium-libc-malloc.patch
new file mode 100644
index 000000000000..fa32830760cd
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0120-chromium-libc-malloc.patch
@@ -0,0 +1,34 @@
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/base/process/memory_linux.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/base/process/memory_linux.cc
+@@ -18,6 +18,13 @@
+ #include "base/threading/thread_restrictions.h"
+ #include "build/build_config.h"
+ 
++#if defined(LIBC_GLIBC)
++extern "C" {
++extern void *__libc_malloc(size_t size);
++extern void *__libc_free(void *ptr);
++}
++#endif
++
+ namespace base {
+ 
+ namespace {
+@@ -112,7 +119,7 @@ bool UncheckedMalloc(size_t size, void**
+     defined(TOOLKIT_QT) || !defined(LIBC_GLIBC)
+   *result = malloc(size);
+ #elif defined(LIBC_GLIBC)
+-  *result = __libc_malloc(size);
++  *result = ::__libc_malloc(size);
+ #endif
+   return *result != nullptr;
+ }
+@@ -123,7 +130,7 @@ void UncheckedFree(void* ptr) {
+ #elif defined(MEMORY_TOOL_REPLACES_ALLOCATOR) || !defined(LIBC_GLIBC) || defined(TOOLKIT_QT)
+   free(ptr);
+ #elif defined(LIBC_GLIBC)
+-  __libc_free(ptr);
++  ::__libc_free(ptr);
+ #endif
+ }
+ 
diff --git a/srcpkgs/qt6-webengine/patches/0121-chromium-musl-stat.patch b/srcpkgs/qt6-webengine/patches/0121-chromium-musl-stat.patch
new file mode 100644
index 000000000000..8c8c4b863b64
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0121-chromium-musl-stat.patch
@@ -0,0 +1,12 @@
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/base/files/file.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/base/files/file.h
+@@ -19,7 +19,8 @@
+ #include "build/build_config.h"
+ 
+ #if BUILDFLAG(IS_BSD) || BUILDFLAG(IS_APPLE) || BUILDFLAG(IS_NACL) || \
+-    BUILDFLAG(IS_FUCHSIA) || (BUILDFLAG(IS_ANDROID) && __ANDROID_API__ < 21)
++    BUILDFLAG(IS_FUCHSIA) || (BUILDFLAG(IS_ANDROID) && __ANDROID_API__ < 21) || \
++    (BUILDFLAG(IS_LINUX) && !defined(__GLIBC__))
+ struct stat;
+ namespace base {
+ typedef struct stat stat_wrapper_t;
diff --git a/srcpkgs/qt6-webengine/patches/0122-chromium-condition_var.patch b/srcpkgs/qt6-webengine/patches/0122-chromium-condition_var.patch
new file mode 100644
index 000000000000..6c41312e516b
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0122-chromium-condition_var.patch
@@ -0,0 +1,22 @@
+Use monotonic clock for pthread_cond_timedwait with musl too.
+
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/v8/src/base/platform/condition-variable.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/v8/src/base/platform/condition-variable.cc
+@@ -20,7 +20,7 @@ namespace base {
+ 
+ ConditionVariable::ConditionVariable() {
+ #if (V8_OS_FREEBSD || V8_OS_NETBSD || V8_OS_OPENBSD || \
+-     (V8_OS_LINUX && V8_LIBC_GLIBC))
++     V8_OS_LINUX)
+   // On Free/Net/OpenBSD and Linux with glibc we can change the time
+   // source for pthread_cond_timedwait() to use the monotonic clock.
+   pthread_condattr_t attr;
+@@ -96,7 +96,7 @@ bool ConditionVariable::WaitFor(Mutex* m
+       &native_handle_, &mutex->native_handle(), &ts);
+ #else
+ #if (V8_OS_FREEBSD || V8_OS_NETBSD || V8_OS_OPENBSD || \
+-     (V8_OS_LINUX && V8_LIBC_GLIBC))
++     V8_OS_LINUX)
+   // On Free/Net/OpenBSD and Linux with glibc we can change the time
+   // source for pthread_cond_timedwait() to use the monotonic clock.
+   result = clock_gettime(CLOCK_MONOTONIC, &ts);
diff --git a/srcpkgs/qt6-webengine/patches/0123-chromium-musl-no-execinfo.patch b/srcpkgs/qt6-webengine/patches/0123-chromium-musl-no-execinfo.patch
new file mode 100644
index 000000000000..25fae7bde112
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0123-chromium-musl-no-execinfo.patch
@@ -0,0 +1,75 @@
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/base/debug/stack_trace_posix.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/base/debug/stack_trace_posix.cc
+@@ -30,7 +30,7 @@
+ #if !defined(USE_SYMBOLIZE)
+ #include <cxxabi.h>
+ #endif
+-#if !defined(__UCLIBC__) && !defined(_AIX)
++#if defined(__GLIBC__) && !defined(_AIX)
+ #include <execinfo.h>
+ #endif
+ 
+@@ -97,7 +97,7 @@ void DemangleSymbols(std::string* text)
+   // Note: code in this function is NOT async-signal safe (std::string uses
+   // malloc internally).
+ 
+-#if !defined(__UCLIBC__) && !defined(_AIX)
++#if defined(__GLIBC__) && !defined(_AIX)
+   std::string::size_type search_from = 0;
+   while (search_from < text->size()) {
+     // Look for the start of a mangled symbol, from search_from.
+@@ -144,7 +144,7 @@ class BacktraceOutputHandler {
+   virtual ~BacktraceOutputHandler() = default;
+ };
+ 
+-#if !defined(__UCLIBC__) && !defined(_AIX)
++#if defined(__GLIBC__) && !defined(_AIX)
+ void OutputPointer(void* pointer, BacktraceOutputHandler* handler) {
+   // This should be more than enough to store a 64-bit number in hex:
+   // 16 hex digits + 1 for null-terminator.
+@@ -868,7 +868,7 @@ size_t CollectStackTrace(void** trace, s
+   // If we do not have unwind tables, then try tracing using frame pointers.
+   return base::debug::TraceStackFramePointers(const_cast<const void**>(trace),
+                                               count, 0);
+-#elif !defined(__UCLIBC__) && !defined(_AIX)
++#elif defined(__GLIBC__) && !defined(_AIX)
+   // Though the backtrace API man page does not list any possible negative
+   // return values, we take no chance.
+   return base::saturated_cast<size_t>(backtrace(trace, count));
+@@ -881,13 +881,13 @@ void StackTrace::PrintWithPrefix(const c
+ // NOTE: This code MUST be async-signal safe (it's used by in-process
+ // stack dumping signal handler). NO malloc or stdio is allowed here.
+ 
+-#if !defined(__UCLIBC__) && !defined(_AIX)
++#if defined(__GLIBC__) && !defined(_AIX)
+   PrintBacktraceOutputHandler handler;
+   ProcessBacktrace(trace_, count_, prefix_string, &handler);
+ #endif
+ }
+ 
+-#if !defined(__UCLIBC__) && !defined(_AIX)
++#if defined(__GLIBC__) && !defined(_AIX)
+ void StackTrace::OutputToStreamWithPrefix(std::ostream* os,
+                                           const char* prefix_string) const {
+   StreamBacktraceOutputHandler handler(os);
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/v8/src/codegen/external-reference-table.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/v8/src/codegen/external-reference-table.cc
+@@ -12,7 +12,9 @@
+ 
+ #if defined(DEBUG) && defined(V8_OS_LINUX) && !defined(V8_OS_ANDROID)
+ #define SYMBOLIZE_FUNCTION
++#if defined(__GLIBC__)
+ #include <execinfo.h>
++#endif
+ 
+ #include <vector>
+ 
+@@ -103,7 +105,7 @@ void ExternalReferenceTable::Init(Isolat
+ }
+ 
+ const char* ExternalReferenceTable::ResolveSymbol(void* address) {
+-#ifdef SYMBOLIZE_FUNCTION
++#if defined(SYMBOLIZE_FUNCTION) && defined(__GLIBC__)
+   char** names = backtrace_symbols(&address, 1);
+   const char* name = names[0];
+   // The array of names is malloc'ed. However, each name string is static
diff --git a/srcpkgs/qt6-webengine/patches/0123-chromium-musl-no-getcontext.patch b/srcpkgs/qt6-webengine/patches/0123-chromium-musl-no-getcontext.patch
new file mode 100644
index 000000000000..46522ee0a066
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0123-chromium-musl-no-getcontext.patch
@@ -0,0 +1,27 @@
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/handler/exception_handler.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/handler/exception_handler.cc
+@@ -490,7 +490,9 @@ bool ExceptionHandler::SimulateSignalDel
+   siginfo.si_code = SI_USER;
+   siginfo.si_pid = getpid();
+   ucontext_t context;
++#if defined(__GLIBC__)
+   getcontext(&context);
++#endif
+   return HandleSignal(sig, &siginfo, &context);
+ }
+ 
+@@ -675,9 +677,14 @@ bool ExceptionHandler::WriteMinidump() {
+   sys_prctl(PR_SET_DUMPABLE, 1, 0, 0, 0);
+ 
+   CrashContext context;
++
++#if defined(__GLIBC__)
+   int getcontext_result = getcontext(&context.context);
+   if (getcontext_result)
+     return false;
++#else
++  return false;
++#endif
+ 
+ #if defined(__i386__)
+   // In CPUFillFromUContext in minidumpwriter.cc the stack pointer is retrieved
diff --git a/srcpkgs/qt6-webengine/patches/0124-chromium-enable-i686.patch b/srcpkgs/qt6-webengine/patches/0124-chromium-enable-i686.patch
new file mode 100644
index 000000000000..11d8de7c23f8
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0124-chromium-enable-i686.patch
@@ -0,0 +1,17 @@
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/BUILD.gn
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/BUILD.gn
+@@ -1537,14 +1537,6 @@ if (!is_ios && !use_qt) {
+   }
+ }
+ 
+-# TODO(cassew): Add more OS's that don't support x86.
+-is_valid_x86_target =
+-    target_os != "ios" && target_os != "mac" &&
+-    (target_os != "linux" || use_libfuzzer || !build_with_chromium)
+-assert(
+-    is_valid_x86_target || target_cpu != "x86",
+-    "'target_cpu=x86' is not supported for 'target_os=$target_os'. Consider omitting 'target_cpu' (default) or using 'target_cpu=x64' instead.")
+-
+ group("chromium_builder_perf") {
+   testonly = true
+ 
diff --git a/srcpkgs/qt6-webengine/patches/0125-chromium-remove-strip_binary.patch b/srcpkgs/qt6-webengine/patches/0125-chromium-remove-strip_binary.patch
new file mode 100644
index 000000000000..115e4492a2be
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0125-chromium-remove-strip_binary.patch
@@ -0,0 +1,32 @@
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/chrome/test/chromedriver/BUILD.gn
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/chrome/test/chromedriver/BUILD.gn
+@@ -335,11 +335,7 @@ source_set("lib") {
+   }
+ }
+ 
+-if (is_linux) {
+-  chromedriver_output = "chromedriver.unstripped"
+-} else {
+-  chromedriver_output = "chromedriver"
+-}
++chromedriver_output = "chromedriver"
+ 
+ executable("$chromedriver_output") {
+   testonly = true
+@@ -361,16 +357,6 @@ executable("$chromedriver_output") {
+   }
+ }
+ 
+-if (is_linux) {
+-  strip_binary("chromedriver") {
+-    testonly = true
+-    binary_input = "$root_out_dir/$chromedriver_output"
+-    symbol_output = "$root_out_dir/chromedriver.debug"
+-    stripped_binary_output = "$root_out_dir/chromedriver"
+-    deps = [ ":$chromedriver_output" ]
+-  }
+-}
+-
+ python_library("chromedriver_py_tests") {
+   testonly = true
+   deps = [
diff --git a/srcpkgs/qt6-webengine/patches/0126-chromium-no-cdefs.patch b/srcpkgs/qt6-webengine/patches/0126-chromium-no-cdefs.patch
new file mode 100644
index 000000000000..90faa3d664d0
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0126-chromium-no-cdefs.patch
@@ -0,0 +1,39 @@
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/crashpad/crashpad/compat/linux/sys/ptrace.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/crashpad/crashpad/compat/linux/sys/ptrace.h
+@@ -17,8 +17,6 @@
+ 
+ #include_next <sys/ptrace.h>
+ 
+-#include <sys/cdefs.h>
+-
+ // https://sourceware.org/bugzilla/show_bug.cgi?id=22433
+ #if !defined(PTRACE_GET_THREAD_AREA) && !defined(PT_GET_THREAD_AREA) && \
+     defined(__GLIBC__)
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/libsync/src/include/sync/sync.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/libsync/src/include/sync/sync.h
+@@ -19,12 +19,13 @@
+ #ifndef __SYS_CORE_SYNC_H
+ #define __SYS_CORE_SYNC_H
+ 
+-#include <sys/cdefs.h>
+ #include <stdint.h>
+ 
+ #include <linux/types.h>
+ 
+-__BEGIN_DECLS
++#ifdef __cplusplus
++extern "C" {
++#endif
+ 
+ struct sync_legacy_merge_data {
+  int32_t fd2;
+@@ -158,6 +159,8 @@ struct sync_pt_info *sync_pt_info(struct
+                                   struct sync_pt_info *itr);
+ void sync_fence_info_free(struct sync_fence_info_data *info);
+ 
+-__END_DECLS
++#ifdef __cplusplus
++}
++#endif
+ 
+ #endif /* __SYS_CORE_SYNC_H */
diff --git a/srcpkgs/qt6-webengine/patches/0128-chromium-sandbox-membarrier.patch b/srcpkgs/qt6-webengine/patches/0128-chromium-sandbox-membarrier.patch
new file mode 100644
index 000000000000..2e1492c3f622
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0128-chromium-sandbox-membarrier.patch
@@ -0,0 +1,10 @@
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc
+@@ -418,6 +418,7 @@ bool SyscallSets::IsAllowedProcessStartO
+   switch (sysno) {
+     case __NR_exit:
+     case __NR_exit_group:
++    case __NR_membarrier:
+     case __NR_wait4:
+     case __NR_waitid:
+ #if defined(__i386__)
diff --git a/srcpkgs/qt6-webengine/patches/0129-chromium-sandbox-shed_getparam.patch b/srcpkgs/qt6-webengine/patches/0129-chromium-sandbox-shed_getparam.patch
new file mode 100644
index 000000000000..80d91c77e8ba
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0129-chromium-sandbox-shed_getparam.patch
@@ -0,0 +1,20 @@
+Allow SYS_sched_getparam and SYS_sched_getscheduler
+musl uses them for pthread_getschedparam()
+
+source: https://git.alpinelinux.org/aports/commit/community/chromium?id=54af9f8ac24f52d382c5758e2445bf0206eff40e
+
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/sandbox/policy/linux/bpf_renderer_policy_linux.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/sandbox/policy/linux/bpf_renderer_policy_linux.cc
+@@ -97,10 +97,10 @@ ResultExpr RendererProcessPolicy::Evalua
+     case __NR_sysinfo:
+     case __NR_times:
+     case __NR_uname:
+-      return Allow();
+-    case __NR_sched_getaffinity:
+     case __NR_sched_getparam:
+     case __NR_sched_getscheduler:
++      return Allow();
++    case __NR_sched_getaffinity:
+     case __NR_sched_setscheduler:
+       return RestrictSchedTarget(GetPolicyPid(), sysno);
+     case __NR_prlimit64:
diff --git a/srcpkgs/qt6-webengine/patches/0150-chromium-unbundle-ffmpeg-av_stream_get_first_dts.patch b/srcpkgs/qt6-webengine/patches/0150-chromium-unbundle-ffmpeg-av_stream_get_first_dts.patch
new file mode 100644
index 000000000000..e7f6048fbc1c
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0150-chromium-unbundle-ffmpeg-av_stream_get_first_dts.patch
@@ -0,0 +1,10 @@
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/build/linux/unbundle/ffmpeg.gn
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/build/linux/unbundle/ffmpeg.gn
+@@ -12,6 +12,7 @@ pkg_config("system_ffmpeg") {
+     "libavformat",
+     "libavutil",
+   ]
++  defines = [ "av_stream_get_first_dts(stream)=stream->first_dts" ]
+ }
+ 
+ buildflag_header("ffmpeg_features") {
diff --git a/srcpkgs/qt6-webengine/patches/0151-chromium-unbundled-cross-toolchain.patch b/srcpkgs/qt6-webengine/patches/0151-chromium-unbundled-cross-toolchain.patch
new file mode 100644
index 000000000000..746d2dfb9a7e
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0151-chromium-unbundled-cross-toolchain.patch
@@ -0,0 +1,13 @@
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/build/toolchain/linux/unbundle/BUILD.gn
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/build/toolchain/linux/unbundle/BUILD.gn
+@@ -35,8 +35,8 @@ gcc_toolchain("host") {
+   extra_ldflags = getenv("BUILD_LDFLAGS")
+ 
+   toolchain_args = {
+-    current_cpu = current_cpu
+-    current_os = current_os
++    current_cpu = host_cpu
++    current_os = host_os
+   }
+ }
+ 
diff --git a/srcpkgs/qt6-webengine/patches/0152-chromium-webrtc-size_t.patch b/srcpkgs/qt6-webengine/patches/0152-chromium-webrtc-size_t.patch
new file mode 100644
index 000000000000..8f60204ff584
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0152-chromium-webrtc-size_t.patch
@@ -0,0 +1,10 @@
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/webrtc/modules/audio_processing/aec3/clockdrift_detector.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/webrtc/modules/audio_processing/aec3/clockdrift_detector.h
+@@ -14,6 +14,7 @@
+ #include <stddef.h>
+ 
+ #include <array>
++#include <cstddef>
+ 
+ namespace webrtc {
+ 
diff --git a/srcpkgs/qt6-webengine/patches/0153-chromium-webrtc-size_t.patch b/srcpkgs/qt6-webengine/patches/0153-chromium-webrtc-size_t.patch
new file mode 100644
index 000000000000..3b5b7a3d53b9
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0153-chromium-webrtc-size_t.patch
@@ -0,0 +1,16 @@
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/angle/include/platform/PlatformMethods.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/angle/include/platform/PlatformMethods.h
+@@ -222,11 +222,11 @@ inline void DefaultHistogramBoolean(Plat
+ using ProgramKeyType   = std::array<uint8_t, 20>;
+ using CacheProgramFunc = void (*)(PlatformMethods *platform,
+                                   const ProgramKeyType &key,
+-                                  size_t programSize,
++                                  std::size_t programSize,
+                                   const uint8_t *programBytes);
+ inline void DefaultCacheProgram(PlatformMethods *platform,
+                                 const ProgramKeyType &key,
+-                                size_t programSize,
++                                std::size_t programSize,
+                                 const uint8_t *programBytes)
+ {}
+ 
diff --git a/srcpkgs/qt6-webengine/patches/0154-chromium-uit_t.patch b/srcpkgs/qt6-webengine/patches/0154-chromium-uit_t.patch
new file mode 100644
index 000000000000..d13a31fee402
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0154-chromium-uit_t.patch
@@ -0,0 +1,11 @@
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/sandbox/linux/services/credentials.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/sandbox/linux/services/credentials.h
+@@ -14,6 +14,8 @@
+ #include <string>
+ #include <vector>
+ 
++#include <sys/types.h>
++
+ #include "sandbox/linux/system_headers/capability.h"
+ #include "sandbox/sandbox_export.h"
+ 
diff --git a/srcpkgs/qt6-webengine/patches/0200-chromium-sndio.patch b/srcpkgs/qt6-webengine/patches/0200-chromium-sndio.patch
new file mode 100644
index 000000000000..d769b531497b
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0200-chromium-sndio.patch
@@ -0,0 +1,849 @@
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/media/BUILD.gn
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/media/BUILD.gn
+@@ -78,6 +78,9 @@ config("media_config") {
+       defines += [ "DLOPEN_PULSEAUDIO" ]
+     }
+   }
++  if (use_sndio) {
++    defines += [ "USE_SNDIO" ]
++  }
+   if (use_cras) {
+     defines += [ "USE_CRAS" ]
+   }
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/media/audio/BUILD.gn
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/media/audio/BUILD.gn
+@@ -245,6 +245,17 @@ source_set("audio") {
+     sources += [ "linux/audio_manager_linux.cc" ]
+   }
+ 
++  if (use_sndio) {
++    libs += [ "sndio" ]
++    sources += [
++      "sndio/audio_manager_sndio.cc",
++      "sndio/sndio_input.cc",
++      "sndio/sndio_input.h",
++      "sndio/sndio_output.cc",
++      "sndio/sndio_output.h"
++    ]
++  }
++
+   if (use_alsa) {
+     libs += [ "asound" ]
+     sources += [
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/media/audio/linux/audio_manager_linux.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/media/audio/linux/audio_manager_linux.cc
+@@ -25,6 +25,11 @@
+ #include "media/audio/pulse/audio_manager_pulse.h"
+ #include "media/audio/pulse/pulse_util.h"
+ #endif
++#if defined(USE_SNDIO)
++#include "media/audio/sndio/audio_manager_sndio.h"
++#include "media/audio/sndio/sndio_input.h"
++#include "media/audio/sndio/sndio_output.h"
++#endif
+ 
+ namespace media {
+ 
+--- /dev/null
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/media/audio/sndio/audio_manager_sndio.cc
+@@ -0,0 +1,148 @@
++// Copyright (c) 2012 The Chromium Authors. All rights reserved.
++// Use of this source code is governed by a BSD-style license that can be
++// found in the LICENSE file.
++
++#include "media/audio/sndio/audio_manager_sndio.h"
++
++#include "base/metrics/histogram_macros.h"
++#include "base/memory/ptr_util.h"
++#include "media/audio/audio_device_description.h"
++#include "media/audio/audio_output_dispatcher.h"
++#include "media/audio/sndio/sndio_input.h"
++#include "media/audio/sndio/sndio_output.h"
++#include "media/base/limits.h"
++#include "media/base/media_switches.h"
++
++namespace media {
++
++
++// Maximum number of output streams that can be open simultaneously.
++static const int kMaxOutputStreams = 4;
++
++// Default sample rate for input and output streams.
++static const int kDefaultSampleRate = 48000;
++
++void AddDefaultDevice(AudioDeviceNames* device_names) {
++  DCHECK(device_names->empty());
++  device_names->push_front(AudioDeviceName::CreateDefault());
++}
++
++bool AudioManagerSndio::HasAudioOutputDevices() {
++  return true;
++}
++
++bool AudioManagerSndio::HasAudioInputDevices() {
++  return true;
++}
++
++void AudioManagerSndio::GetAudioInputDeviceNames(
++    AudioDeviceNames* device_names) {
++  DCHECK(device_names->empty());
++  AddDefaultDevice(device_names);
++}
++
++void AudioManagerSndio::GetAudioOutputDeviceNames(
++    AudioDeviceNames* device_names) {
++  AddDefaultDevice(device_names);
++}
++
++const char* AudioManagerSndio::GetName() {
++  return "SNDIO";
++}
++
++AudioParameters AudioManagerSndio::GetInputStreamParameters(
++    const std::string& device_id) {
++  static const int kDefaultInputBufferSize = 1024;
++
++  int user_buffer_size = GetUserBufferSize();
++  int buffer_size = user_buffer_size ?
++      user_buffer_size : kDefaultInputBufferSize;
++
++  return AudioParameters(
++      AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_STEREO,
++      kDefaultSampleRate, buffer_size);
++}
++
++AudioManagerSndio::AudioManagerSndio(std::unique_ptr<AudioThread> audio_thread,
++                                         AudioLogFactory* audio_log_factory)
++    : AudioManagerBase(std::move(audio_thread),
++                       audio_log_factory) {
++  DLOG(WARNING) << "AudioManagerSndio";
++  SetMaxOutputStreamsAllowed(kMaxOutputStreams);
++}
++
++AudioManagerSndio::~AudioManagerSndio() {
++  Shutdown();
++}
++
++AudioOutputStream* AudioManagerSndio::MakeLinearOutputStream(
++    const AudioParameters& params,
++    const LogCallback& log_callback) {
++  DCHECK_EQ(AudioParameters::AUDIO_PCM_LINEAR, params.format());
++  return MakeOutputStream(params);
++}
++
++AudioOutputStream* AudioManagerSndio::MakeLowLatencyOutputStream(
++    const AudioParameters& params,
++    const std::string& device_id,
++    const LogCallback& log_callback) {
++  DLOG_IF(ERROR, !device_id.empty()) << "Not implemented!";
++  DCHECK_EQ(AudioParameters::AUDIO_PCM_LOW_LATENCY, params.format());
++  return MakeOutputStream(params);
++}
++
++AudioInputStream* AudioManagerSndio::MakeLinearInputStream(
++    const AudioParameters& params,
++    const std::string& device_id,
++    const LogCallback& log_callback) {
++  DCHECK_EQ(AudioParameters::AUDIO_PCM_LINEAR, params.format());
++  return MakeInputStream(params);
++}
++
++AudioInputStream* AudioManagerSndio::MakeLowLatencyInputStream(
++    const AudioParameters& params,
++    const std::string& device_id,
++    const LogCallback& log_callback) {
++  DCHECK_EQ(AudioParameters::AUDIO_PCM_LOW_LATENCY, params.format());
++  return MakeInputStream(params);
++}
++
++AudioParameters AudioManagerSndio::GetPreferredOutputStreamParameters(
++    const std::string& output_device_id,
++    const AudioParameters& input_params) {
++  // TODO(tommi): Support |output_device_id|.
++  DLOG_IF(ERROR, !output_device_id.empty()) << "Not implemented!";
++  static const int kDefaultOutputBufferSize = 2048;
++
++  ChannelLayout channel_layout = CHANNEL_LAYOUT_STEREO;
++  int sample_rate = kDefaultSampleRate;
++  int buffer_size = kDefaultOutputBufferSize;
++  if (input_params.IsValid()) {
++    sample_rate = input_params.sample_rate();
++    channel_layout = input_params.channel_layout();
++    buffer_size = std::min(buffer_size, input_params.frames_per_buffer());
++  }
++
++  int user_buffer_size = GetUserBufferSize();
++  if (user_buffer_size)
++    buffer_size = user_buffer_size;
++
++  return AudioParameters(
++      AudioParameters::AUDIO_PCM_LOW_LATENCY, channel_layout,
++      sample_rate, buffer_size);
++}
++
++AudioInputStream* AudioManagerSndio::MakeInputStream(
++    const AudioParameters& params) {
++  DLOG(WARNING) << "MakeInputStream";
++  return new SndioAudioInputStream(this,
++             AudioDeviceDescription::kDefaultDeviceId, params);
++}
++
++AudioOutputStream* AudioManagerSndio::MakeOutputStream(
++    const AudioParameters& params) {
++  DLOG(WARNING) << "MakeOutputStream";
++  return new SndioAudioOutputStream(params, this);
++}
++
++}  // namespace media
+--- /dev/null
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/media/audio/sndio/audio_manager_sndio.h
+@@ -0,0 +1,65 @@
++// Copyright (c) 2012 The Chromium Authors. All rights reserved.
++// Use of this source code is governed by a BSD-style license that can be
++// found in the LICENSE file.
++
++#ifndef MEDIA_AUDIO_SNDIO_AUDIO_MANAGER_SNDIO_H_
++#define MEDIA_AUDIO_SNDIO_AUDIO_MANAGER_SNDIO_H_
++
++#include <set>
++
++#include "base/compiler_specific.h"
++#include "base/macros.h"
++#include "base/memory/ref_counted.h"
++#include "base/threading/thread.h"
++#include "media/audio/audio_manager_base.h"
++
++namespace media {
++
++class MEDIA_EXPORT AudioManagerSndio : public AudioManagerBase {
++ public:
++  AudioManagerSndio(std::unique_ptr<AudioThread> audio_thread,
++                   AudioLogFactory* audio_log_factory);
++  ~AudioManagerSndio() override;
++
++  // Implementation of AudioManager.
++  bool HasAudioOutputDevices() override;
++  bool HasAudioInputDevices() override;
++  void GetAudioInputDeviceNames(AudioDeviceNames* device_names) override;
++  void GetAudioOutputDeviceNames(AudioDeviceNames* device_names) override;
++  AudioParameters GetInputStreamParameters(
++      const std::string& device_id) override;
++  const char* GetName() override;
++
++  // Implementation of AudioManagerBase.
++  AudioOutputStream* MakeLinearOutputStream(
++      const AudioParameters& params,
++      const LogCallback& log_callback) override;
++  AudioOutputStream* MakeLowLatencyOutputStream(
++      const AudioParameters& params,
++      const std::string& device_id,
++      const LogCallback& log_callback) override;
++  AudioInputStream* MakeLinearInputStream(
++      const AudioParameters& params,
++      const std::string& device_id,
++      const LogCallback& log_callback) override;
++  AudioInputStream* MakeLowLatencyInputStream(
++      const AudioParameters& params,
++      const std::string& device_id,
++      const LogCallback& log_callback) override;
++
++ protected:
++  AudioParameters GetPreferredOutputStreamParameters(
++      const std::string& output_device_id,
++      const AudioParameters& input_params) override;
++
++ private:
++  // Called by MakeLinearOutputStream and MakeLowLatencyOutputStream.
++  AudioOutputStream* MakeOutputStream(const AudioParameters& params);
++  AudioInputStream* MakeInputStream(const AudioParameters& params);
++
++  DISALLOW_COPY_AND_ASSIGN(AudioManagerSndio);
++};
++
++}  // namespace media
++
++#endif  // MEDIA_AUDIO_SNDIO_AUDIO_MANAGER_SNDIO_H_
+--- /dev/null
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/media/audio/sndio/sndio_input.cc
+@@ -0,0 +1,200 @@
++// Copyright 2013 The Chromium Authors. All rights reserved.
++// Use of this source code is governed by a BSD-style license that can be
++// found in the LICENSE file.
++
++#include "base/bind.h"
++#include "base/logging.h"
++#include "base/macros.h"
++#include "media/base/audio_timestamp_helper.h"
++#include "media/audio/sndio/audio_manager_sndio.h"
++#include "media/audio/audio_manager.h"
++#include "media/audio/sndio/sndio_input.h"
++
++namespace media {
++
++static const SampleFormat kSampleFormat = kSampleFormatS16;
++
++void SndioAudioInputStream::OnMoveCallback(void *arg, int delta)
++{
++  SndioAudioInputStream* self = static_cast<SndioAudioInputStream*>(arg);
++
++  self->hw_delay += delta;
++}
++
++void *SndioAudioInputStream::ThreadEntry(void *arg) {
++  SndioAudioInputStream* self = static_cast<SndioAudioInputStream*>(arg);
++
++  self->ThreadLoop();
++  return NULL;
++}
++
++SndioAudioInputStream::SndioAudioInputStream(AudioManagerBase* manager,
++                                             const std::string& device_name,
++                                             const AudioParameters& params)
++    : manager(manager),
++      params(params),
++      audio_bus(AudioBus::Create(params)),
++      state(kClosed) {
++}
++
++SndioAudioInputStream::~SndioAudioInputStream() {
++  if (state != kClosed)
++    Close();
++}
++
++bool SndioAudioInputStream::Open() {
++  struct sio_par par;
++  int sig;
++
++  if (state != kClosed)
++    return false;
++
++  if (params.format() != AudioParameters::AUDIO_PCM_LINEAR &&
++      params.format() != AudioParameters::AUDIO_PCM_LOW_LATENCY) {
++    LOG(WARNING) << "Unsupported audio format.";
++    return false;
++  }
++
++  sio_initpar(&par);
++  par.rate = params.sample_rate();
++  par.rchan = params.channels();
++  par.bits = SampleFormatToBitsPerChannel(kSampleFormat);
++  par.bps = par.bits / 8;
++  par.sig = sig = par.bits != 8 ? 1 : 0;
++  par.le = SIO_LE_NATIVE;
++  par.appbufsz = params.frames_per_buffer();
++
++  hdl = sio_open(SIO_DEVANY, SIO_REC, 0);
++
++  if (hdl == NULL) {
++    LOG(ERROR) << "Couldn't open audio device.";
++    return false;
++  }
++
++  if (!sio_setpar(hdl, &par) || !sio_getpar(hdl, &par)) {
++    LOG(ERROR) << "Couldn't set audio parameters.";
++    goto bad_close;
++  }
++
++  if (par.rate  != (unsigned int)params.sample_rate() ||
++      par.rchan != (unsigned int)params.channels() ||
++      par.bits  != (unsigned int)SampleFormatToBitsPerChannel(kSampleFormat) ||
++      par.sig   != (unsigned int)sig ||
++      (par.bps > 1 && par.le != SIO_LE_NATIVE) ||
++      (par.bits != par.bps * 8)) {
++    LOG(ERROR) << "Unsupported audio parameters.";
++    goto bad_close;
++  }
++  state = kStopped;
++  buffer = new char[audio_bus->frames() * params.GetBytesPerFrame(kSampleFormat)];
++  sio_onmove(hdl, &OnMoveCallback, this);
++  return true;
++bad_close:
++  sio_close(hdl);
++  return false;
++}
++
++void SndioAudioInputStream::Start(AudioInputCallback* cb) {
++
++  StartAgc();
++
++  state = kRunning;
++  hw_delay = 0;
++  callback = cb;
++  sio_start(hdl);
++  if (pthread_create(&thread, NULL, &ThreadEntry, this) != 0) {
++    LOG(ERROR) << "Failed to create real-time thread for recording.";
++    sio_stop(hdl);
++    state = kStopped;
++  }
++}
++
++void SndioAudioInputStream::Stop() {
++
++  if (state == kStopped)
++    return;
++
++  state = kStopWait;
++  pthread_join(thread, NULL);
++  sio_stop(hdl);
++  state = kStopped;
++
++  StopAgc();
++}
++
++void SndioAudioInputStream::Close() {
++
++  if (state == kClosed)
++    return;
++
++  if (state == kRunning)
++    Stop();
++
++  state = kClosed;
++  delete [] buffer;
++  sio_close(hdl);
++
++  manager->ReleaseInputStream(this);
++}
++
++double SndioAudioInputStream::GetMaxVolume() {
++  // Not supported
++  return 0.0;
++}
++
++void SndioAudioInputStream::SetVolume(double volume) {
++  // Not supported. Do nothing.
++}
++
++double SndioAudioInputStream::GetVolume() {
++  // Not supported.
++  return 0.0;
++}
++
++bool SndioAudioInputStream::IsMuted() {
++  // Not supported.
++  return false;
++}
++
++void SndioAudioInputStream::SetOutputDeviceForAec(
++    const std::string& output_device_id) {
++  // Not supported.
++}
++
++void SndioAudioInputStream::ThreadLoop(void) {
++  size_t todo, n;
++  char *data;
++  unsigned int nframes;
++  double normalized_volume = 0.0;
++
++  nframes = audio_bus->frames();
++
++  while (state == kRunning && !sio_eof(hdl)) {
++
++    GetAgcVolume(&normalized_volume);
++
++    // read one block
++    todo = nframes * params.GetBytesPerFrame(kSampleFormat);
++    data = buffer;
++    while (todo > 0) {
++      n = sio_read(hdl, data, todo);
++      if (n == 0)
++        return;	// unrecoverable I/O error
++      todo -= n;
++      data += n;
++    }
++    hw_delay -= nframes;
++
++    // convert frames count to TimeDelta
++    const base::TimeDelta delay = AudioTimestampHelper::FramesToTime(hw_delay,
++      params.sample_rate());
++
++    // push into bus
++    audio_bus->FromInterleaved<SignedInt16SampleTypeTraits>(reinterpret_cast<int16_t*>(buffer), nframes);
++
++    // invoke callback
++    callback->OnData(audio_bus.get(), base::TimeTicks::Now() - delay, 1.);
++  }
++}
++
++}  // namespace media
+--- /dev/null
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/media/audio/sndio/sndio_input.h
+@@ -0,0 +1,91 @@
++// Copyright 2013 The Chromium Authors. All rights reserved.
++// Use of this source code is governed by a BSD-style license that can be
++// found in the LICENSE file.
++
++#ifndef MEDIA_AUDIO_SNDIO_SNDIO_INPUT_H_
++#define MEDIA_AUDIO_SNDIO_SNDIO_INPUT_H_
++
++#include <stdint.h>
++#include <string>
++#include <sndio.h>
++
++#include "base/compiler_specific.h"
++#include "base/macros.h"
++#include "base/memory/weak_ptr.h"
++#include "base/time/time.h"
++#include "media/audio/agc_audio_stream.h"
++#include "media/audio/audio_io.h"
++#include "media/audio/audio_device_description.h"
++#include "media/base/audio_parameters.h"
++
++namespace media {
++
++class AudioManagerBase;
++
++// Implementation of AudioOutputStream using sndio(7)
++class SndioAudioInputStream : public AgcAudioStream<AudioInputStream> {
++ public:
++  // Pass this to the constructor if you want to attempt auto-selection
++  // of the audio recording device.
++  static const char kAutoSelectDevice[];
++
++  // Create a PCM Output stream for the SNDIO device identified by
++  // |device_name|. If unsure of what to use for |device_name|, use
++  // |kAutoSelectDevice|.
++  SndioAudioInputStream(AudioManagerBase* audio_manager,
++                     const std::string& device_name,
++                     const AudioParameters& params);
++
++  ~SndioAudioInputStream() override;
++
++  // Implementation of AudioInputStream.
++  bool Open() override;
++  void Start(AudioInputCallback* callback) override;
++  void Stop() override;
++  void Close() override;
++  double GetMaxVolume() override;
++  void SetVolume(double volume) override;
++  double GetVolume() override;
++  bool IsMuted() override;
++  void SetOutputDeviceForAec(const std::string& output_device_id) override;
++
++ private:
++
++  enum StreamState {
++    kClosed,            // Not opened yet
++    kStopped,           // Device opened, but not started yet
++    kRunning,           // Started, device playing
++    kStopWait           // Stopping, waiting for the real-time thread to exit
++  };
++
++  // C-style call-backs
++  static void OnMoveCallback(void *arg, int delta);
++  static void* ThreadEntry(void *arg);
++
++  // Continuously moves data from the device to the consumer
++  void ThreadLoop();
++  // Our creator, the audio manager needs to be notified when we close.
++  AudioManagerBase* manager;
++  // Parameters of the source
++  AudioParameters params;
++  // We store data here for consumer
++  std::unique_ptr<AudioBus> audio_bus;
++  // Call-back that consumes recorded data
++  AudioInputCallback* callback;  // Valid during a recording session.
++  // Handle of the audio device
++  struct sio_hdl* hdl;
++  // Current state of the stream
++  enum StreamState state;
++  // High priority thread running ThreadLoop()
++  pthread_t thread;
++  // Number of frames buffered in the hardware
++  int hw_delay;
++  // Temporary buffer where data is stored sndio-compatible format
++  char* buffer;
++
++  DISALLOW_COPY_AND_ASSIGN(SndioAudioInputStream);
++};
++
++}  // namespace media
++
++#endif  // MEDIA_AUDIO_SNDIO_SNDIO_INPUT_H_
+--- /dev/null
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/media/audio/sndio/sndio_output.cc
+@@ -0,0 +1,183 @@
++// Copyright (c) 2012 The Chromium Authors. All rights reserved.
++// Use of this source code is governed by a BSD-style license that can be
++// found in the LICENSE file.
++
++#include "base/logging.h"
++#include "base/time/time.h"
++#include "base/time/default_tick_clock.h"
++#include "media/audio/audio_manager_base.h"
++#include "media/base/audio_timestamp_helper.h"
++#include "media/audio/sndio/sndio_output.h"
++
++namespace media {
++
++static const SampleFormat kSampleFormat = kSampleFormatS16;
++
++void SndioAudioOutputStream::OnMoveCallback(void *arg, int delta) {
++  SndioAudioOutputStream* self = static_cast<SndioAudioOutputStream*>(arg);
++
++  self->hw_delay -= delta;
++}
++
++void SndioAudioOutputStream::OnVolCallback(void *arg, unsigned int vol) {
++  SndioAudioOutputStream* self = static_cast<SndioAudioOutputStream*>(arg);
++
++  self->vol = vol;
++}
++
++void *SndioAudioOutputStream::ThreadEntry(void *arg) {
++  SndioAudioOutputStream* self = static_cast<SndioAudioOutputStream*>(arg);
++
++  self->ThreadLoop();
++  return NULL;
++}
++
++SndioAudioOutputStream::SndioAudioOutputStream(const AudioParameters& params,
++                                               AudioManagerBase* manager)
++    : manager(manager),
++      params(params),
++      audio_bus(AudioBus::Create(params)),
++      state(kClosed),
++      mutex(PTHREAD_MUTEX_INITIALIZER) {
++}
++
++SndioAudioOutputStream::~SndioAudioOutputStream() {
++  if (state != kClosed)
++    Close();
++}
++
++bool SndioAudioOutputStream::Open() {
++  struct sio_par par;
++  int sig;
++
++  if (params.format() != AudioParameters::AUDIO_PCM_LINEAR &&
++      params.format() != AudioParameters::AUDIO_PCM_LOW_LATENCY) {
++    LOG(WARNING) << "Unsupported audio format.";
++    return false;
++  }
++  sio_initpar(&par);
++  par.rate = params.sample_rate();
++  par.pchan = params.channels();
++  par.bits = SampleFormatToBitsPerChannel(kSampleFormat);
++  par.bps = par.bits / 8;
++  par.sig = sig = par.bits != 8 ? 1 : 0;
++  par.le = SIO_LE_NATIVE;
++  par.appbufsz = params.frames_per_buffer();
++
++  hdl = sio_open(SIO_DEVANY, SIO_PLAY, 0);
++  if (hdl == NULL) {
++    LOG(ERROR) << "Couldn't open audio device.";
++    return false;
++  }
++  if (!sio_setpar(hdl, &par) || !sio_getpar(hdl, &par)) {
++    LOG(ERROR) << "Couldn't set audio parameters.";
++    goto bad_close;
++  }
++  if (par.rate  != (unsigned int)params.sample_rate() ||
++      par.pchan != (unsigned int)params.channels() ||
++      par.bits  != (unsigned int)SampleFormatToBitsPerChannel(kSampleFormat) ||
++      par.sig   != (unsigned int)sig ||
++      (par.bps > 1 && par.le != SIO_LE_NATIVE) ||
++      (par.bits != par.bps * 8)) {
++    LOG(ERROR) << "Unsupported audio parameters.";
++    goto bad_close;
++  }
++  state = kStopped;
++  volpending = 0;
++  vol = 0;
++  buffer = new char[audio_bus->frames() * params.GetBytesPerFrame(kSampleFormat)];
++  sio_onmove(hdl, &OnMoveCallback, this);
++  sio_onvol(hdl, &OnVolCallback, this);
++  return true;
++ bad_close:
++  sio_close(hdl);
++  return false;
++}
++
++void SndioAudioOutputStream::Close() {
++  if (state == kClosed)
++    return;
++  if (state == kRunning)
++    Stop();
++  state = kClosed;
++  delete [] buffer;
++  sio_close(hdl);
++  manager->ReleaseOutputStream(this);  // Calls the destructor
++}
++
++void SndioAudioOutputStream::Start(AudioSourceCallback* callback) {
++  state = kRunning;
++  hw_delay = 0;
++  source = callback;
++  sio_start(hdl);
++  if (pthread_create(&thread, NULL, &ThreadEntry, this) != 0) {
++    LOG(ERROR) << "Failed to create real-time thread.";
++    sio_stop(hdl);
++    state = kStopped;
++  }
++}
++
++void SndioAudioOutputStream::Stop() {
++  if (state == kStopped)
++    return;
++  state = kStopWait;
++  pthread_join(thread, NULL);
++  sio_stop(hdl);
++  state = kStopped;
++}
++
++void SndioAudioOutputStream::SetVolume(double v) {
++  pthread_mutex_lock(&mutex);
++  vol = v * SIO_MAXVOL;
++  volpending = 1;
++  pthread_mutex_unlock(&mutex);
++}
++
++void SndioAudioOutputStream::GetVolume(double* v) {
++  pthread_mutex_lock(&mutex);
++  *v = vol * (1. / SIO_MAXVOL);
++  pthread_mutex_unlock(&mutex);
++}
++
++// This stream is always used with sub second buffer sizes, where it's
++// sufficient to simply always flush upon Start().
++void SndioAudioOutputStream::Flush() {}
++
++void SndioAudioOutputStream::ThreadLoop(void) {
++  int avail, count, result;
++
++  while (state == kRunning) {
++    // Update volume if needed
++    pthread_mutex_lock(&mutex);
++    if (volpending) {
++      volpending = 0;
++      sio_setvol(hdl, vol);
++    }
++    pthread_mutex_unlock(&mutex);
++
++    // Get data to play
++    const base::TimeDelta delay = AudioTimestampHelper::FramesToTime(hw_delay,
++	params.sample_rate());
++    count = source->OnMoreData(delay, base::TimeTicks::Now(), 0, audio_bus.get());
++    audio_bus->ToInterleaved<SignedInt16SampleTypeTraits>(count, reinterpret_cast<int16_t*>(buffer));
++    if (count == 0) {
++      // We have to submit something to the device
++      count = audio_bus->frames();
++      memset(buffer, 0, count * params.GetBytesPerFrame(kSampleFormat));
++      LOG(WARNING) << "No data to play, running empty cycle.";
++    }
++
++    // Submit data to the device
++    avail = count * params.GetBytesPerFrame(kSampleFormat);
++    result = sio_write(hdl, buffer, avail);
++    if (result == 0) {
++      LOG(WARNING) << "Audio device disconnected.";
++      break;
++    }
++
++    // Update hardware pointer
++    hw_delay += count;
++  }
++}
++
++}  // namespace media
+--- /dev/null
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/media/audio/sndio/sndio_output.h
+@@ -0,0 +1,86 @@
++// Copyright (c) 2012 The Chromium Authors. All rights reserved.
++// Use of this source code is governed by a BSD-style license that can be
++// found in the LICENSE file.
++
++#ifndef MEDIA_AUDIO_SNDIO_SNDIO_OUTPUT_H_
++#define MEDIA_AUDIO_SNDIO_SNDIO_OUTPUT_H_
++
++#include <pthread.h>
++#include <sndio.h>
++
++#include "base/time/tick_clock.h"
++#include "base/time/time.h"
++#include "media/audio/audio_io.h"
++
++namespace media {
++
++class AudioManagerBase;
++
++// Implementation of AudioOutputStream using sndio(7)
++class SndioAudioOutputStream : public AudioOutputStream {
++ public:
++  // The manager is creating this object
++  SndioAudioOutputStream(const AudioParameters& params,
++                         AudioManagerBase* manager);
++  virtual ~SndioAudioOutputStream();
++
++  // Implementation of AudioOutputStream.
++  bool Open() override;
++  void Close() override;
++  void Start(AudioSourceCallback* callback) override;
++  void Stop() override;
++  void SetVolume(double volume) override;
++  void GetVolume(double* volume) override;
++  void Flush() override;
++
++  friend void sndio_onmove(void *arg, int delta);
++  friend void sndio_onvol(void *arg, unsigned int vol);
++  friend void *sndio_threadstart(void *arg);
++
++ private:
++  enum StreamState {
++    kClosed,            // Not opened yet
++    kStopped,           // Device opened, but not started yet
++    kRunning,           // Started, device playing
++    kStopWait           // Stopping, waiting for the real-time thread to exit
++  };
++
++  // C-style call-backs
++  static void OnMoveCallback(void *arg, int delta);
++  static void OnVolCallback(void *arg, unsigned int vol);
++  static void* ThreadEntry(void *arg);
++
++  // Continuously moves data from the producer to the device
++  void ThreadLoop(void);
++
++  // Our creator, the audio manager needs to be notified when we close.
++  AudioManagerBase* manager;
++  // Parameters of the source
++  AudioParameters params;
++  // Source stores data here
++  std::unique_ptr<AudioBus> audio_bus;
++  // Call-back that produces data to play
++  AudioSourceCallback* source;
++  // Handle of the audio device
++  struct sio_hdl* hdl;
++  // Current state of the stream
++  enum StreamState state;
++  // High priority thread running ThreadLoop()
++  pthread_t thread;
++  // Protects vol, volpending and hw_delay
++  pthread_mutex_t mutex;
++  // Current volume in the 0..SIO_MAXVOL range
++  int vol;
++  // Set to 1 if volumes must be refreshed in the realtime thread
++  int volpending;
++  // Number of frames buffered in the hardware
++  int hw_delay;
++  // Temporary buffer where data is stored sndio-compatible format
++  char* buffer;
++
++  DISALLOW_COPY_AND_ASSIGN(SndioAudioOutputStream);
++};
++
++}  // namespace media
++
++#endif  // MEDIA_AUDIO_SNDIO_SNDIO_OUTPUT_H_
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/media/media_options.gni
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/media/media_options.gni
+@@ -133,6 +133,9 @@ declare_args() {
+   # Enables runtime selection of ALSA library for audio.
+   use_alsa = false
+ 
++  # Enable runtime selection of sndio(7)
++  use_sndio = false
++
+   # Alsa should be used on non-Android, non-Mac POSIX systems.
+   # Alsa should be used on desktop Chromecast and audio-only Chromecast builds.
+   if (is_posix && !is_android && !is_mac &&
diff --git a/srcpkgs/qt6-webengine/patches/0300-chromium-musl-hacks.patch b/srcpkgs/qt6-webengine/patches/0300-chromium-musl-hacks.patch
new file mode 100644
index 000000000000..525aeb8a63d2
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0300-chromium-musl-hacks.patch
@@ -0,0 +1,52 @@
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/base/debug/stack_trace.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/base/debug/stack_trace.cc
+@@ -234,7 +234,7 @@ bool StackTrace::WillSymbolizeToStreamFo
+   // Symbols are not expected to be reliable when gn args specifies
+   // symbol_level=0.
+   return false;
+-#elif defined(__UCLIBC__) || defined(_AIX)
++#elif defined(__GLIBC__) || defined(_AIX)
+   // StackTrace::OutputToStream() is not implemented under uclibc, nor AIX.
+   // See https://crbug.com/706728
+   return false;
+@@ -273,7 +273,9 @@ void StackTrace::Print() const {
+ }
+ 
+ void StackTrace::OutputToStream(std::ostream* os) const {
++#if defined(__GLIBC__)
+   OutputToStreamWithPrefix(os, nullptr);
++#endif
+ }
+ 
+ std::string StackTrace::ToString() const {
+@@ -281,14 +283,14 @@ std::string StackTrace::ToString() const
+ }
+ std::string StackTrace::ToStringWithPrefix(const char* prefix_string) const {
+   std::stringstream stream;
+-#if !defined(__UCLIBC__) && !defined(_AIX)
++#if defined(__GLIBC__) && !defined(_AIX)
+   OutputToStreamWithPrefix(&stream, prefix_string);
+ #endif
+   return stream.str();
+ }
+ 
+ std::ostream& operator<<(std::ostream& os, const StackTrace& s) {
+-#if !defined(__UCLIBC__) && !defined(_AIX)
++#if defined(__GLIBC__) && !defined(_AIX)
+   s.OutputToStream(&os);
+ #else
+   os << "StackTrace::OutputToStream not implemented.";
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/net/socket/udp_socket_posix.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/net/socket/udp_socket_posix.cc
+@@ -1157,7 +1157,11 @@ SendResult UDPSocketPosixSender::Interna
+     msg_iov->push_back({const_cast<char*>(buffer->data()), buffer->length()});
+   msgvec->reserve(buffers.size());
+   for (size_t j = 0; j < buffers.size(); j++)
++#ifdef __GLIBC__
+     msgvec->push_back({{nullptr, 0, &msg_iov[j], 1, nullptr, 0, 0}, 0});
++#else
++    msgvec->push_back({{nullptr, 0, &msg_iov[j], 1, 0, 0, 0}, 0});
++#endif
+   int result = HANDLE_EINTR(Sendmmsg(fd, &msgvec[0], buffers.size(), 0));
+   SendResult send_result(0, 0, std::move(buffers));
+   if (result < 0) {
diff --git a/srcpkgs/qt6-webengine/patches/0301-chromium-musl-sandbox.patch b/srcpkgs/qt6-webengine/patches/0301-chromium-musl-sandbox.patch
new file mode 100644
index 000000000000..4afbec5b98ef
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0301-chromium-musl-sandbox.patch
@@ -0,0 +1,86 @@
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.cc
+@@ -134,6 +134,7 @@ namespace sandbox {
+ ResultExpr RestrictCloneToThreadsAndEPERMFork() {
+   const Arg<unsigned long> flags(0);
+ 
++#ifdef __GLIBC__
+   // TODO(mdempsky): Extend DSL to support (flags & ~mask1) == mask2.
+   const uint64_t kAndroidCloneMask = CLONE_VM | CLONE_FS | CLONE_FILES |
+                                      CLONE_SIGHAND | CLONE_THREAD |
+@@ -160,6 +161,16 @@ ResultExpr RestrictCloneToThreadsAndEPER
+   return If(IsAndroid() ? android_test : glibc_test, Allow())
+       .ElseIf(is_fork_or_clone_vfork, Error(EPERM))
+       .Else(CrashSIGSYSClone());
++#else
++  const int required = CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND |
++                       CLONE_THREAD | CLONE_SYSVSEM;
++  const int safe = CLONE_SETTLS | CLONE_PARENT_SETTID | CLONE_CHILD_CLEARTID |
++                   CLONE_DETACHED;
++  const BoolExpr thread_clone_ok = (flags&~safe)==required;
++  return If(thread_clone_ok, Allow())
++      .ElseIf((flags & (CLONE_VM | CLONE_THREAD)) == 0, Error(EPERM))
++      .Else(CrashSIGSYSClone());
++#endif
+ }
+ 
+ #ifndef PR_PAC_RESET_KEYS
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc
+@@ -424,6 +424,9 @@ bool SyscallSets::IsAllowedProcessStartO
+ #if defined(__i386__)
+     case __NR_waitpid:
+ #endif
++#if !defined(__GLIBC__)
++    case __NR_set_tid_address:
++#endif
+       return true;
+     case __NR_clone:  // Should be parameter-restricted.
+     case __NR_setns:  // Privileged.
+@@ -436,7 +439,9 @@ bool SyscallSets::IsAllowedProcessStartO
+ #if defined(__i386__) || defined(__x86_64__) || defined(__mips__)
+     case __NR_set_thread_area:
+ #endif
++#if defined(__GLIBC__)
+     case __NR_set_tid_address:
++#endif
+     case __NR_unshare:
+ #if !defined(__mips__) && !defined(__aarch64__)
+     case __NR_vfork:
+@@ -550,6 +555,9 @@ bool SyscallSets::IsAllowedAddressSpaceA
+     case __NR_mlock:
+     case __NR_munlock:
+     case __NR_munmap:
++#ifndef __GLIBC__
++    case __NR_mremap:
++#endif
+       return true;
+     case __NR_madvise:
+     case __NR_mincore:
+@@ -567,7 +575,9 @@ bool SyscallSets::IsAllowedAddressSpaceA
+     case __NR_modify_ldt:
+ #endif
+     case __NR_mprotect:
++#ifdef __GLIBC__
+     case __NR_mremap:
++#endif
+     case __NR_msync:
+     case __NR_munlockall:
+     case __NR_readahead:
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/sandbox/policy/linux/bpf_renderer_policy_linux.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/sandbox/policy/linux/bpf_renderer_policy_linux.cc
+@@ -99,9 +99,14 @@ ResultExpr RendererProcessPolicy::Evalua
+     case __NR_uname:
+     case __NR_sched_getparam:
+     case __NR_sched_getscheduler:
++#ifndef __GLIBC__
++    case __NR_sched_setscheduler:
++#endif
+       return Allow();
+     case __NR_sched_getaffinity:
++#ifdef __GLIBC__
+     case __NR_sched_setscheduler:
++#endif
+       return RestrictSchedTarget(GetPolicyPid(), sysno);
+     case __NR_prlimit64:
+       // See crbug.com/662450 and setrlimit comment above.
diff --git a/srcpkgs/qt6-webengine/patches/0302-chromium-no-mallinfo.patch b/srcpkgs/qt6-webengine/patches/0302-chromium-no-mallinfo.patch
new file mode 100644
index 000000000000..519930e7bef0
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0302-chromium-no-mallinfo.patch
@@ -0,0 +1,67 @@
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/base/process/process_metrics_posix.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/base/process/process_metrics_posix.cc
+@@ -105,7 +105,8 @@ void IncreaseFdLimitTo(unsigned int max_
+ 
+ #endif  // !BUILDFLAG(IS_FUCHSIA)
+ 
+-#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_ANDROID)
++#if (BUILDFLAG(IS_LINUX) && defined(__GLIBC__)) || \
++	BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_ANDROID)
+ namespace {
+ 
+ size_t GetMallocUsageMallinfo() {
+@@ -123,17 +124,18 @@ size_t GetMallocUsageMallinfo() {
+ }
+ 
+ }  // namespace
+-#endif  // BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) ||
+-        // BUILDFLAG(IS_ANDROID)
++#endif  // (BUILDFLAG(IS_LINUX) && defined(__GLIBC__) ||
++	// BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_ANDROID)
+ 
+ size_t ProcessMetrics::GetMallocUsage() {
+ #if BUILDFLAG(IS_APPLE)
+   malloc_statistics_t stats = {0};
+   malloc_zone_statistics(nullptr, &stats);
+   return stats.size_in_use;
+-#elif BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_ANDROID)
++#elif (BUILDFLAG(IS_LINUX) && defined(__GLIBC__)) || \
++	BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_ANDROID)
+   return GetMallocUsageMallinfo();
+-#elif BUILDFLAG(IS_FUCHSIA)
++#elif BUILDFLAG(IS_FUCHSIA) || (BUILDFLAG(IS_LINUX) && !defined(__GLIBC__))
+   // TODO(fuchsia): Not currently exposed. https://crbug.com/735087.
+   return 0;
+ #endif
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/base/trace_event/malloc_dump_provider.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/base/trace_event/malloc_dump_provider.cc
+@@ -174,7 +174,8 @@ void ReportAppleAllocStats(size_t* total
+ 
+ #if (BUILDFLAG(USE_PARTITION_ALLOC_AS_MALLOC) && BUILDFLAG(IS_ANDROID)) || \
+     (!BUILDFLAG(USE_PARTITION_ALLOC_AS_MALLOC) && !BUILDFLAG(IS_WIN) &&    \
+-     !BUILDFLAG(IS_APPLE) && !BUILDFLAG(IS_WIN) && !BUILDFLAG(IS_FUCHSIA))
++     !BUILDFLAG(IS_APPLE) && !BUILDFLAG(IS_WIN) && !BUILDFLAG(IS_FUCHSIA) && \
++     !(BUILDFLAG(IS_LINUX) && !defined(__GLIBC__)))
+ void ReportMallinfoStats(ProcessMemoryDump* pmd,
+                          size_t* total_virtual_size,
+                          size_t* resident_size,
+@@ -339,7 +340,7 @@ bool MallocDumpProvider::OnMemoryDump(co
+                      &allocated_objects_count);
+ #elif BUILDFLAG(IS_FUCHSIA)
+ // TODO(fuchsia): Port, see https://crbug.com/706592.
+-#else
++#elif defined(__GLIBC__)
+   ReportMallinfoStats(/*pmd=*/nullptr, &total_virtual_size, &resident_size,
+                       &allocated_objects_size, &allocated_objects_count);
+ #endif
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/tflite/src/tensorflow/lite/profiling/memory_info.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/tflite/src/tensorflow/lite/profiling/memory_info.cc
+@@ -35,7 +35,7 @@ bool MemoryUsage::IsSupported() {
+ 
+ MemoryUsage GetMemoryUsage() {
+   MemoryUsage result;
+-#ifdef __linux__
++#if defined(__linux__) && defined(__GLIBC__)
+   rusage res;
+   if (getrusage(RUSAGE_SELF, &res) == 0) {
+     result.max_rss_kb = res.ru_maxrss;
diff --git a/srcpkgs/qt6-webengine/patches/0700-armv7l-neon.patch b/srcpkgs/qt6-webengine/patches/0700-armv7l-neon.patch
new file mode 100644
index 000000000000..5ca1953d2cb3
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0700-armv7l-neon.patch
@@ -0,0 +1,10 @@
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/skia/BUILD.gn
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/skia/BUILD.gn
+@@ -786,7 +786,6 @@ skia_source_set("skia_opts") {
+         # Root build config sets -mfpu=$arm_fpu, which we expect to be neon
+         # when running this.
+         if (!arm_use_neon) {
+-          configs -= [ "//build/config/compiler:compiler_arm_fpu" ]
+           cflags += [ "-mfpu=neon" ]
+         }
+       }
diff --git a/srcpkgs/qt6-webengine/patches/0750-chromium-musl-cross-no-asm_ptrace_h.patch b/srcpkgs/qt6-webengine/patches/0750-chromium-musl-cross-no-asm_ptrace_h.patch
new file mode 100644
index 000000000000..ca7b0150962c
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0750-chromium-musl-cross-no-asm_ptrace_h.patch
@@ -0,0 +1,30 @@
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_ptrace_dumper.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_ptrace_dumper.cc
+@@ -38,7 +38,12 @@
+ 
+ #include "client/linux/minidump_writer/linux_ptrace_dumper.h"
+ 
++#if defined(__GLIBC__)
+ #include <asm/ptrace.h>
++#else
++/* For arm*-musl this definition is missing */
++#define ARM_sp uregs[13]
++#endif
+ #include <assert.h>
+ #include <errno.h>
+ #include <fcntl.h>
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_core_dumper.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_core_dumper.cc
+@@ -32,7 +32,12 @@
+ 
+ #include "client/linux/minidump_writer/linux_core_dumper.h"
+ 
++#if defined(__GLIBC__)
+ #include <asm/ptrace.h>
++#else
++/* For arm*-musl this definition is missing */
++#define ARM_sp uregs[13]
++#endif
+ #include <assert.h>
+ #include <elf.h>
+ #include <stdio.h>
diff --git a/srcpkgs/qt6-webengine/patches/0751-chromium-musl-arm-user_vfp.patch b/srcpkgs/qt6-webengine/patches/0751-chromium-musl-arm-user_vfp.patch
new file mode 100644
index 000000000000..d7c18036d503
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0751-chromium-musl-arm-user_vfp.patch
@@ -0,0 +1,20 @@
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/crashpad/crashpad/util/linux/thread_info.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/crashpad/crashpad/util/linux/thread_info.h
+@@ -17,6 +17,17 @@
+ 
+ #include <stdint.h>
+ #include <sys/user.h>
++#if !defined(__GLIBC__)
++struct user_vfp {
++	unsigned long long fpregs[32];
++	unsigned long fpscr;
++};
++struct user_vfp_exc {
++	unsigned long fpexc;
++	unsigned long fpinst;
++	unsigned long fpinst2;
++};
++#endif /* !defined(__GLIBC__) */
+ 
+ #include <type_traits>
+ 
diff --git a/srcpkgs/qt6-webengine/patches/0752-chromium-musl-arm-elf_auxv_t.patch b/srcpkgs/qt6-webengine/patches/0752-chromium-musl-arm-elf_auxv_t.patch
new file mode 100644
index 000000000000..52f5f47be831
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0752-chromium-musl-arm-elf_auxv_t.patch
@@ -0,0 +1,18 @@
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/v8/src/base/cpu.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/v8/src/base/cpu.cc
+@@ -165,6 +165,15 @@ static V8_INLINE void __cpuid(int cpu_in
+ 
+ #if V8_HOST_ARCH_ARM || V8_HOST_ARCH_ARM64
+ 
++#ifndef __GLIBC__
++#include <elf.h>
++#ifdef __LP64__
++typedef Elf64_auxv_t elf_auxv_t;
++#else
++typedef Elf32_auxv_t elf_auxv_t;
++#endif
++#endif
++
+ static uint32_t ReadELFHWCaps() {
+   uint32_t result = 0;
+ #if V8_GLIBC_PREREQ(2, 16)
diff --git a/srcpkgs/qt6-webengine/patches/0900-cross-build-examples.patch b/srcpkgs/qt6-webengine/patches/0900-cross-build-examples.patch
new file mode 100644
index 000000000000..9a6acc6af6de
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/0900-cross-build-examples.patch
@@ -0,0 +1,16 @@
+--- qt6-webengine-6.4.2.orig/examples/CMakeLists.txt
++++ qt6-webengine-6.4.2/examples/CMakeLists.txt
+@@ -1,7 +1,6 @@
+ cmake_minimum_required(VERSION 3.16)
+ 
+ qt_examples_build_begin(EXTERNAL_BUILD)
+-if(NOT CMAKE_CROSSCOMPILING) #QTBUG-86533
+     if(TARGET Qt::WebEngineCore)
+         add_subdirectory(webenginequick)
+     endif()
+@@ -14,5 +13,4 @@ if(NOT CMAKE_CROSSCOMPILING) #QTBUG-8653
+     if(TARGET Qt::PdfWidgets)
+         add_subdirectory(pdfwidgets)
+     endif()
+-endif()
+ qt_examples_build_end()
diff --git a/srcpkgs/qt6-webengine/patches/xxx-ppc64le-4k-pages.patch b/srcpkgs/qt6-webengine/patches/xxx-ppc64le-4k-pages.patch
new file mode 100644
index 000000000000..4c20153782e7
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/xxx-ppc64le-4k-pages.patch
@@ -0,0 +1,50 @@
+commit 45809f85bc3524f867e6e954f444fddd2333245a
+Author: q66 <daniel@octaforge.org>
+Date:   Fri Jan 7 18:18:52 2022 +0100
+
+    switch ppc64 to 4k pages
+    
+    since the partition allocator appears to hate larger constants
+    and at this point errors at compile time and i am not willing
+    to wade through this pile of curse and we use 4k kernels anyway,
+    assume 4K pages for ppc64
+
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/base/allocator/partition_allocator/page_allocator_constants.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/base/allocator/partition_allocator/page_allocator_constants.h
+@@ -69,7 +69,7 @@ PageAllocationGranularity();
+ 
+ PAGE_ALLOCATOR_CONSTANTS_DECLARE_CONSTEXPR ALWAYS_INLINE size_t
+ PageAllocationGranularityShift() {
+-#if BUILDFLAG(IS_WIN) || defined(ARCH_CPU_PPC64)
++#if BUILDFLAG(IS_WIN)
+   // Modern ppc64 systems support 4kB (shift = 12) and 64kB (shift = 16) page
+   // sizes.  Since 64kB is the de facto standard on the platform and binaries
+   // compiled for 64kB are likely to work on 4kB systems, 64kB is a good choice
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/base/allocator/partition_allocator/partition_alloc_constants.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/base/allocator/partition_allocator/partition_alloc_constants.h
+@@ -74,11 +74,6 @@ PAGE_ALLOCATOR_CONSTANTS_DECLARE_CONSTEX
+ PartitionPageShift() {
+   return 16;  // 64 KiB
+ }
+-#elif defined(ARCH_CPU_PPC64)
+-PAGE_ALLOCATOR_CONSTANTS_DECLARE_CONSTEXPR ALWAYS_INLINE size_t
+-PartitionPageShift() {
+-  return 18;  // 256 KiB
+-}
+ #elif (BUILDFLAG(IS_APPLE) && defined(ARCH_CPU_64_BITS)) || \
+     (BUILDFLAG(IS_LINUX) && defined(ARCH_CPU_ARM64))
+ PAGE_ALLOCATOR_CONSTANTS_DECLARE_CONSTEXPR ALWAYS_INLINE size_t
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/base/allocator/partition_allocator/partition_alloc_forward.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/base/allocator/partition_allocator/partition_alloc_forward.h
+@@ -28,7 +28,10 @@ namespace internal {
+ //
+ // __STDCPP_DEFAULT_NEW_ALIGNMENT__ is C++17. As such, it is not defined on all
+ // platforms, as Chrome's requirement is C++14 as of 2020.
+-#if defined(__STDCPP_DEFAULT_NEW_ALIGNMENT__)
++#if defined(__powerpc64__)
++/* we want this to be 16 here always */
++constexpr size_t kAlignment = 16;
++#elif defined(__STDCPP_DEFAULT_NEW_ALIGNMENT__)
+ constexpr size_t kAlignment =
+     std::max(alignof(max_align_t),
+              static_cast<size_t>(__STDCPP_DEFAULT_NEW_ALIGNMENT__));
diff --git a/srcpkgs/qt6-webengine/patches/xxx-ppc64le-libvpx.patch b/srcpkgs/qt6-webengine/patches/xxx-ppc64le-libvpx.patch
new file mode 100644
index 000000000000..55250a4c8811
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/xxx-ppc64le-libvpx.patch
@@ -0,0 +1,65 @@
+Uses generic target for now. To use ppc64le, change --target to ppc64le-gnu
+and add --enable-vsx, and change generic to ppc for the rtcd header.
+
+From 18e6c5c55cfae0cfb458d8210d7bc709360a0e90 Mon Sep 17 00:00:00 2001
+From: q66 <daniel@octaforge.org>
+Date: Wed, 9 Sep 2020 19:08:25 +0200
+Subject: [PATCH] enable generation of ppc64 libvpx bits
+
+this doesn't update the gni file, that's done from
+the template by running the appropriate scripts
+---
+ third_party/libvpx/BUILD.gn        | 4 ++++
+ third_party/libvpx/generate_gni.sh | 9 +++++++++
+ 2 files changed, 13 insertions(+)
+
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/libvpx/BUILD.gn
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/libvpx/BUILD.gn
+@@ -405,6 +405,8 @@ static_library("bundled_libvpx") {
+       sources = libvpx_srcs_arm64
+       public_deps = [ ":libvpx_arm64_headers" ]
+     }
++  } else if (current_cpu == "ppc64") {
++    sources = libvpx_srcs_ppc64
+   }
+ 
+   configs -= [ "//build/config/compiler:chromium_code" ]
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/libvpx/generate_gni.sh
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/libvpx/generate_gni.sh
+@@ -374,6 +374,7 @@ gen_config_files linux/arm-neon-highbd "
+ gen_config_files linux/arm64-highbd "--target=armv8-linux-gcc ${all_platforms} ${HIGHBD}"
+ gen_config_files linux/mipsel "--target=mips32-linux-gcc ${all_platforms}"
+ gen_config_files linux/mips64el "--target=mips64-linux-gcc ${all_platforms}"
++gen_config_files linux/ppc64 "--target=generic-gnu $HIGHBD ${all_platforms}"
+ gen_config_files linux/generic "--target=generic-gnu $HIGHBD ${all_platforms}"
+ gen_config_files win/arm64 "--target=arm64-win64-vs15 ${all_platforms} ${HIGHBD}"
+ gen_config_files win/ia32 "--target=x86-win32-vs14 ${all_platforms} ${x86_platforms}"
+@@ -399,6 +400,7 @@ lint_config linux/arm-neon-highbd
+ lint_config linux/arm64-highbd
+ lint_config linux/mipsel
+ lint_config linux/mips64el
++lint_config linux/ppc64
+ lint_config linux/generic
+ lint_config win/arm64
+ lint_config win/ia32
+@@ -428,6 +430,7 @@ gen_rtcd_header linux/arm-neon-highbd ar
+ gen_rtcd_header linux/arm64-highbd armv8
+ gen_rtcd_header linux/mipsel mipsel
+ gen_rtcd_header linux/mips64el mips64el
++gen_rtcd_header linux/ppc64 generic
+ gen_rtcd_header linux/generic generic
+ gen_rtcd_header win/arm64 armv8
+ gen_rtcd_header win/ia32 x86 "${require_sse2}"
+@@ -513,6 +516,12 @@ if [ -z $ONLY_CONFIGS ]; then
+ 
+   echo "MIPS64 source list is identical to MIPS source list. No need to generate it."
+ 
++  echo "Generate ppc64 source list."
++  config=$(print_config_basic linux/ppc64)
++  make_clean
++  make libvpx_srcs.txt target=libs $config > /dev/null
++  convert_srcs_to_project_files libvpx_srcs.txt libvpx_srcs_ppc64
++
+   echo "Generate NaCl source list."
+   config=$(print_config_basic nacl)
+   make_clean
diff --git a/srcpkgs/qt6-webengine/patches/xxx-ppc64le-sandbox-linux-stat.patch b/srcpkgs/qt6-webengine/patches/xxx-ppc64le-sandbox-linux-stat.patch
new file mode 100644
index 000000000000..fd01d32a3393
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/xxx-ppc64le-sandbox-linux-stat.patch
@@ -0,0 +1,31 @@
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/sandbox/linux/system_headers/linux_stat.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/sandbox/linux/system_headers/linux_stat.h
+@@ -173,6 +173,28 @@ struct kernel_stat {
+   unsigned int __unused4;
+   unsigned int __unused5;
+ };
++#elif defined(__powerpc64__)
++struct kernel_stat {
++  unsigned long	st_dev;
++  unsigned long	st_ino;
++  unsigned long	st_nlink;
++  unsigned int	st_mode;
++  unsigned int	st_uid;
++  unsigned int	st_gid;
++  unsigned long	st_rdev;
++  long		st_size;
++  unsigned long	st_blksize;
++  unsigned long	st_blocks;
++  unsigned long	st_atime_;
++  unsigned long	st_atime_nsec_;
++  unsigned long	st_mtime_;
++  unsigned long	st_mtime_nsec_;
++  unsigned long	st_ctime_;
++  unsigned long	st_ctime_nsec_;
++  unsigned long	__unused4;
++  unsigned long	__unused5;
++  unsigned long	__unused6;
++};
+ #endif
+ 
+ #if !defined(AT_EMPTY_PATH)
diff --git a/srcpkgs/qt6-webengine/patches/xxx-ppc64le-support.patch b/srcpkgs/qt6-webengine/patches/xxx-ppc64le-support.patch
new file mode 100644
index 000000000000..3200c5f45a43
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/xxx-ppc64le-support.patch
@@ -0,0 +1,3492 @@
+commit 2c013a317b1114ef67cdbbc30824b28907b9ea94
+Author: Daniel Kolesa <daniel@octaforge.org>
+Date:   Wed Mar 3 19:08:29 2021 +0100
+
+    ppc64le support
+
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/build/download_nacl_toolchains.py
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/build/download_nacl_toolchains.py
+@@ -13,6 +13,10 @@ import sys
+ 
+ 
+ def Main(args):
++  # If `disable_nacl=1` is in GYP_DEFINES, exit
++  if 'disable_nacl=1' in os.environ.get('GYP_DEFINES', ''):
++    return 0
++
+   script_dir = os.path.dirname(os.path.abspath(__file__))
+   src_dir = os.path.dirname(script_dir)
+   nacl_dir = os.path.join(src_dir, 'native_client')
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/chrome/installer/linux/BUILD.gn
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/chrome/installer/linux/BUILD.gn
+@@ -97,8 +97,6 @@ packaging_files = packaging_files_binari
+                     "$root_out_dir/xdg-mime",
+                     "$root_out_dir/xdg-settings",
+                     "$root_out_dir/locales/en-US.pak",
+-                    "$root_out_dir/MEIPreload/manifest.json",
+-                    "$root_out_dir/MEIPreload/preloaded_data.pb",
+                   ]
+ 
+ action_foreach("calculate_deb_dependencies") {
+@@ -377,7 +375,6 @@ group("installer_deps") {
+     "//chrome",
+     "//chrome:packed_resources",
+     "//chrome/browser/enterprise/connectors/device_trust/key_management/installer/management_service:chrome_management_service",
+-    "//chrome/browser/resources/media/mei_preload:component",
+     "//components/crash/core/app:chrome_crashpad_handler",
+     "//sandbox/linux:chrome_sandbox",
+   ]
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/sandbox/features.gni
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/sandbox/features.gni
+@@ -9,7 +9,8 @@
+ use_seccomp_bpf = (is_linux || is_chromeos || is_android) &&
+                   (current_cpu == "x86" || current_cpu == "x64" ||
+                    current_cpu == "arm" || current_cpu == "arm64" ||
+-                   current_cpu == "mipsel" || current_cpu == "mips64el")
++                   current_cpu == "mipsel" || current_cpu == "mips64el" ||
++                   current_cpu == "ppc64")
+ 
+ # SSBD (Speculative Store Bypass Disable) is a mitigation of Spectre Variant 4.
+ # As Spectre Variant 4 can be mitigated by site isolation, opt-out SSBD on site
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/sandbox/linux/BUILD.gn
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/sandbox/linux/BUILD.gn
+@@ -373,6 +373,8 @@ component("sandbox_services") {
+ 
+ source_set("sandbox_services_headers") {
+   sources = [
++    "system_headers/ppc64_linux_syscalls.h",
++    "system_headers/ppc64_linux_ucontext.h",
+     "system_headers/arm64_linux_syscalls.h",
+     "system_headers/arm_linux_syscalls.h",
+     "system_headers/arm_linux_ucontext.h",
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/sandbox/linux/bpf_dsl/linux_syscall_ranges.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/sandbox/linux/bpf_dsl/linux_syscall_ranges.h
+@@ -56,6 +56,13 @@
+ #define MAX_PUBLIC_SYSCALL __NR_syscalls
+ #define MAX_SYSCALL MAX_PUBLIC_SYSCALL
+ 
++#elif defined(__powerpc64__)
++
++#include <asm-generic/unistd.h>
++#define MIN_SYSCALL 0u
++#define MAX_PUBLIC_SYSCALL __NR_syscalls
++#define MAX_SYSCALL MAX_PUBLIC_SYSCALL
++
+ #else
+ #error "Unsupported architecture"
+ #endif
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/sandbox/linux/bpf_dsl/seccomp_macros.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/sandbox/linux/bpf_dsl/seccomp_macros.h
+@@ -14,6 +14,9 @@
+ #if defined(__mips__)
+ // sys/user.h in eglibc misses size_t definition
+ #include <stddef.h>
++#elif defined(__powerpc64__)
++// Manually define greg_t on ppc64
++typedef unsigned long long greg_t;
+ #endif
+ #endif
+ 
+@@ -343,6 +346,51 @@ struct regs_struct {
+ #define SECCOMP_PT_PARM4(_regs) (_regs).regs[3]
+ #define SECCOMP_PT_PARM5(_regs) (_regs).regs[4]
+ #define SECCOMP_PT_PARM6(_regs) (_regs).regs[5]
++
++#elif defined(__powerpc64__)
++#include <asm/ptrace.h>
++
++typedef struct pt_regs regs_struct;
++
++#ifdef ARCH_CPU_LITTLE_ENDIAN
++#define SECCOMP_ARCH AUDIT_ARCH_PPC64LE
++#else
++#define SECCOMP_ARCH AUDIT_ARCH_PPC64
++#endif
++
++#define SECCOMP_REG(_ctx, _reg) ((_ctx)->uc_mcontext.regs->gpr[_reg])
++
++#define SECCOMP_RESULT(_ctx) SECCOMP_REG(_ctx, 3)
++#define SECCOMP_SYSCALL(_ctx) SECCOMP_REG(_ctx, 0)
++#define SECCOMP_IP(_ctx) (_ctx)->uc_mcontext.regs->nip
++#define SECCOMP_PARM1(_ctx) SECCOMP_REG(_ctx, 3)
++#define SECCOMP_PARM2(_ctx) SECCOMP_REG(_ctx, 4)
++#define SECCOMP_PARM3(_ctx) SECCOMP_REG(_ctx, 5)
++#define SECCOMP_PARM4(_ctx) SECCOMP_REG(_ctx, 6)
++#define SECCOMP_PARM5(_ctx) SECCOMP_REG(_ctx, 7)
++#define SECCOMP_PARM6(_ctx) SECCOMP_REG(_ctx, 8)
++
++#define SECCOMP_NR_IDX (offsetof(struct arch_seccomp_data, nr))
++#define SECCOMP_ARCH_IDX (offsetof(struct arch_seccomp_data, arch))
++#define SECCOMP_IP_MSB_IDX \
++  (offsetof(struct arch_seccomp_data, instruction_pointer) + 4)
++#define SECCOMP_IP_LSB_IDX \
++  (offsetof(struct arch_seccomp_data, instruction_pointer) + 0)
++#define SECCOMP_ARG_MSB_IDX(nr) \
++  (offsetof(struct arch_seccomp_data, args) + 8 * (nr) + 4)
++#define SECCOMP_ARG_LSB_IDX(nr) \
++  (offsetof(struct arch_seccomp_data, args) + 8 * (nr) + 0)
++
++#define SECCOMP_PT_RESULT(_regs) (_regs).gpr[3]
++#define SECCOMP_PT_SYSCALL(_regs) (_regs).gpr[0]
++#define SECCOMP_PT_IP(_regs) (_regs).nip
++#define SECCOMP_PT_PARM1(_regs) (_regs).gpr[3]
++#define SECCOMP_PT_PARM2(_regs) (_regs).gpr[4]
++#define SECCOMP_PT_PARM3(_regs) (_regs).gpr[5]
++#define SECCOMP_PT_PARM4(_regs) (_regs).gpr[6]
++#define SECCOMP_PT_PARM5(_regs) (_regs).gpr[7]
++#define SECCOMP_PT_PARM6(_regs) (_regs).gpr[8]
++
+ #else
+ #error Unsupported target platform
+ 
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/baseline_policy.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/baseline_policy.cc
+@@ -91,7 +91,8 @@ bool IsBaselinePolicyWatched(int sysno)
+          SyscallSets::IsPrctl(sysno) ||
+          SyscallSets::IsProcessGroupOrSession(sysno) ||
+ #if defined(__i386__) || \
+-    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
++    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
++    defined(__powerpc64__)
+          SyscallSets::IsSocketCall(sysno) ||
+ #endif
+ #if defined(__arm__)
+@@ -253,7 +254,7 @@ ResultExpr EvaluateSyscallImpl(int fs_de
+   }
+ 
+ #if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
+-    defined(__aarch64__)
++    defined(__aarch64__) || defined(__powerpc64__)
+   if (sysno == __NR_mmap)
+     return RestrictMmapFlags();
+ #endif
+@@ -274,7 +275,7 @@ ResultExpr EvaluateSyscallImpl(int fs_de
+     return RestrictPrctl();
+ 
+ #if defined(__x86_64__) || defined(__arm__) || defined(__mips__) || \
+-    defined(__aarch64__)
++    defined(__aarch64__) || defined(__powerpc64__)
+   if (sysno == __NR_socketpair) {
+     // Only allow AF_UNIX, PF_UNIX. Crash if anything else is seen.
+     static_assert(AF_UNIX == PF_UNIX,
+@@ -338,7 +339,8 @@ ResultExpr EvaluateSyscallImpl(int fs_de
+   }
+ 
+ #if defined(__i386__) || \
+-    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
++    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
++    defined(__powerpc64__)
+   if (SyscallSets::IsSocketCall(sysno))
+     return RestrictSocketcallCommand();
+ #endif
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/baseline_policy_unittest.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/baseline_policy_unittest.cc
+@@ -320,7 +320,7 @@ TEST_BASELINE_SIGSYS(__NR_sysinfo)
+ TEST_BASELINE_SIGSYS(__NR_syslog)
+ TEST_BASELINE_SIGSYS(__NR_timer_create)
+ 
+-#if !defined(__aarch64__)
++#if !defined(__aarch64__) && !defined(__powerpc64__)
+ TEST_BASELINE_SIGSYS(__NR_inotify_init)
+ TEST_BASELINE_SIGSYS(__NR_vserver)
+ #endif
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.cc
+@@ -357,7 +357,16 @@ intptr_t SIGSYSFstatatHandler(const stru
+   if (args.nr == __NR_fstatat_default) {
+     if (*reinterpret_cast<const char*>(args.args[1]) == '\0' &&
+         args.args[3] == static_cast<uint64_t>(AT_EMPTY_PATH)) {
+-      return syscall(__NR_fstat_default, static_cast<int>(args.args[0]),
++          int fd = static_cast<int>(args.args[0]);
++#if defined(__powerpc64__)
++      // On ppc64+glibc, some syscalls seem to accidentally negate the first
++      // parameter which causes checks against it to fail. For now, manually
++      // negate them back.
++      // TODO: Investigate the root cause and fix in glibc
++      if (fd < 0)
++        fd = -fd;
++#endif
++      return syscall(__NR_fstat_default, fd,
+                      reinterpret_cast<default_stat_struct*>(args.args[2]));
+     }
+     return -reinterpret_cast<intptr_t>(fs_denied_errno);
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.cc
+@@ -37,7 +37,8 @@
+ 
+ #if (BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS_LACROS)) && \
+     !defined(__arm__) && !defined(__aarch64__) &&             \
+-    !defined(PTRACE_GET_THREAD_AREA)
++    !defined(PTRACE_GET_THREAD_AREA) &&                       \
++    !defined(__powerpc64__)
+ // Also include asm/ptrace-abi.h since ptrace.h in older libc (for instance
+ // the one in Ubuntu 16.04 LTS) is missing PTRACE_GET_THREAD_AREA.
+ // asm/ptrace-abi.h doesn't exist on arm32 and PTRACE_GET_THREAD_AREA isn't
+@@ -45,6 +46,11 @@
+ #include <asm/ptrace-abi.h>
+ #endif
+ 
++// On PPC64, TCGETS is defined in terms of struct termios, so we must include termios.h
++#ifdef __powerpc64__
++#include <termios.h>
++#endif
++
+ #if BUILDFLAG(IS_ANDROID)
+ 
+ #if !defined(F_DUPFD_CLOEXEC)
+@@ -102,6 +108,14 @@ inline bool IsArchitectureMips() {
+ #endif
+ }
+ 
++inline bool IsArchitecturePPC64() {
++#if defined(__powerpc64__)
++  return true;
++#else
++  return false;
++#endif
++}
++
+ // Ubuntu's version of glibc has a race condition in sem_post that can cause
+ // it to call futex(2) with bogus op arguments. To workaround this, we need
+ // to allow those futex(2) calls to fail with EINVAL, instead of crashing the
+@@ -266,6 +280,8 @@ ResultExpr RestrictFcntlCommands() {
+   uint64_t kOLargeFileFlag = O_LARGEFILE;
+   if (IsArchitectureX86_64() || IsArchitectureI386() || IsArchitectureMips())
+     kOLargeFileFlag = 0100000;
++  else if (IsArchitecturePPC64())
++    kOLargeFileFlag = 0200000;
+ 
+   const Arg<int> cmd(1);
+   const Arg<long> long_arg(2);
+@@ -289,7 +305,16 @@ ResultExpr RestrictFcntlCommands() {
+               F_SETLKW,
+               F_GETLK,
+               F_DUPFD,
+-              F_DUPFD_CLOEXEC),
++              F_DUPFD_CLOEXEC
++#if defined(__powerpc64__)
++// On PPC64, F_SETLK, F_GETLK, F_SETLKW are defined as the 64-bit variants
++// but glibc will sometimes still use the 32-bit versions. Allow both.
++              ,
++              5, /* F_GETLK (32) */
++              6, /* F_SETLK (32) */
++              7  /* F_SETLKW (32) */
++#endif
++	     ),
+              Allow())
+       .Case(F_SETFL,
+             If((long_arg & ~kAllowedMask) == 0, Allow()).Else(CrashSIGSYS()))
+@@ -299,7 +324,7 @@ ResultExpr RestrictFcntlCommands() {
+   // clang-format on
+ }
+ 
+-#if defined(__i386__) || defined(__mips__)
++#if defined(__i386__) || defined(__mips__) || defined(__powerpc64__)
+ ResultExpr RestrictSocketcallCommand() {
+   // Unfortunately, we are unable to restrict the first parameter to
+   // socketpair(2). Whilst initially sounding bad, it's noteworthy that very
+@@ -454,7 +479,7 @@ ResultExpr RestrictPtrace() {
+ #endif
+   return Switch(request)
+       .CASES((
+-#if !defined(__aarch64__)
++#if !defined(__aarch64__) && !defined(__powerpc64__)
+                  PTRACE_GETREGS, PTRACE_GETFPREGS,
+ #if defined(TRACE_GET_THREAD_AREA)
+                  PTRACE_GET_THREAD_AREA,
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.h
+@@ -52,7 +52,7 @@ SANDBOX_EXPORT bpf_dsl::ResultExpr Restr
+ // O_NONBLOCK | O_SYNC | O_LARGEFILE | O_CLOEXEC | O_NOATIME.
+ SANDBOX_EXPORT bpf_dsl::ResultExpr RestrictFcntlCommands();
+ 
+-#if defined(__i386__) || defined(__mips__)
++#if defined(__i386__) || defined(__mips__) || defined(__powerpc64__)
+ // Restrict socketcall(2) to only allow socketpair(2), send(2), recv(2),
+ // sendto(2), recvfrom(2), shutdown(2), sendmsg(2) and recvmsg(2).
+ SANDBOX_EXPORT bpf_dsl::ResultExpr RestrictSocketcallCommand();
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_sets.cc
+@@ -29,7 +29,8 @@ bool SyscallSets::IsAllowedGettime(int s
+   switch (sysno) {
+     case __NR_gettimeofday:
+ #if defined(__i386__) || defined(__x86_64__) || \
+-    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
++    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
++    defined(__powerpc64__)
+     case __NR_time:
+ #endif
+       return true;
+@@ -52,12 +53,14 @@ bool SyscallSets::IsAllowedGettime(int s
+     case __NR_clock_nanosleep_time64:  // Parameters filtered by RestrictClockID().
+ #endif
+ #if defined(__i386__) || \
+-    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
++    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
++    defined(__powerpc64__)
+     case __NR_ftime:  // Obsolete.
+ #endif
+     case __NR_settimeofday:  // Privileged.
+ #if defined(__i386__) || \
+-    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
++    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
++    defined(__powerpc64__)
+     case __NR_stime:
+ #endif
+     default:
+@@ -136,7 +139,7 @@ bool SyscallSets::IsFileSystem(int sysno
+     case __NR_faccessat2:
+     case __NR_fchmodat:
+     case __NR_fchownat:  // Should be called chownat ?
+-#if defined(__x86_64__) || defined(__aarch64__)
++#if defined(__x86_64__) || defined(__aarch64__) || defined(__powerpc64__)
+     case __NR_newfstatat:  // fstatat(). EPERM not a valid errno.
+ #elif defined(__i386__) || defined(__arm__) || \
+     (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
+@@ -155,7 +158,7 @@ bool SyscallSets::IsFileSystem(int sysno
+     case __NR_memfd_create:
+     case __NR_mkdirat:
+     case __NR_mknodat:
+-#if defined(__i386__)
++#if defined(__i386__) || defined(__powerpc64__)
+     case __NR_oldlstat:
+     case __NR_oldstat:
+ #endif
+@@ -169,7 +172,8 @@ bool SyscallSets::IsFileSystem(int sysno
+ #endif
+     case __NR_statfs:  // EPERM not a valid errno.
+ #if defined(__i386__) || defined(__arm__) || \
+-    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
++    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
++    defined(__powerpc64__)
+     case __NR_statfs64:
+ #endif
+     case __NR_statx:  // EPERM not a valid errno.
+@@ -180,7 +184,8 @@ bool SyscallSets::IsFileSystem(int sysno
+     case __NR_truncate64:
+ #endif
+     case __NR_unlinkat:
+-#if defined(__i386__) || defined(__x86_64__) || defined(__mips__)
++#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
++    defined(__powerpc64__)
+     case __NR_utime:
+ #endif
+     case __NR_utimensat:  // New.
+@@ -205,7 +210,8 @@ bool SyscallSets::IsAllowedFileSystemAcc
+ #endif
+       return true;
+ // TODO(jln): these should be denied gracefully as well (moved below).
+-#if defined(__i386__) || defined(__x86_64__) || defined(__mips__)
++#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
++    defined(__powerpc64__)
+     case __NR_fadvise64:  // EPERM not a valid errno.
+ #endif
+ #if defined(__i386__)
+@@ -218,11 +224,12 @@ bool SyscallSets::IsAllowedFileSystemAcc
+     case __NR_flock:      // EPERM not a valid errno.
+     case __NR_fstatfs:    // Give information about the whole filesystem.
+ #if defined(__i386__) || defined(__arm__) || \
+-    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
++    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
++    defined(__powerpc64__)
+     case __NR_fstatfs64:
+ #endif
+     case __NR_fsync:  // EPERM not a valid errno.
+-#if defined(__i386__)
++#if defined(__i386__) || defined(__powerpc64__)
+     case __NR_oldfstat:
+ #endif
+ #if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
+@@ -230,6 +237,8 @@ bool SyscallSets::IsAllowedFileSystemAcc
+     case __NR_sync_file_range:  // EPERM not a valid errno.
+ #elif defined(__arm__)
+     case __NR_arm_sync_file_range:  // EPERM not a valid errno.
++#elif defined(__powerpc64__)
++    case __NR_sync_file_range2: // EPERM not a valid errno.
+ #endif
+     default:
+       return false;
+@@ -250,7 +259,8 @@ bool SyscallSets::IsDeniedFileSystemAcce
+ #endif
+     case __NR_getdents64:  // EPERM not a valid errno.
+ #if defined(__i386__) || \
+-    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
++    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
++    defined(__powerpc64__)
+     case __NR_readdir:
+ #endif
+       return true;
+@@ -291,7 +301,7 @@ bool SyscallSets::IsGetSimpleId(int sysn
+ bool SyscallSets::IsProcessPrivilegeChange(int sysno) {
+   switch (sysno) {
+     case __NR_capset:
+-#if defined(__i386__) || defined(__x86_64__)
++#if defined(__i386__) || defined(__x86_64__) || defined(__powerpc64__)
+     case __NR_ioperm:  // Intel privilege.
+     case __NR_iopl:    // Intel privilege.
+ #endif
+@@ -347,8 +357,11 @@ bool SyscallSets::IsAllowedSignalHandlin
+     // overflow.
+     case __NR_sigaltstack:
+ #if defined(__i386__) || defined(__arm__) || \
+-    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
++    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
++    defined(__powerpc64__)
++#ifndef __powerpc64__
+     case __NR_rt_sigtimedwait_time64:
++#endif
+     case __NR_sigaction:
+     case __NR_sigprocmask:
+     case __NR_sigreturn:
+@@ -363,7 +376,8 @@ bool SyscallSets::IsAllowedSignalHandlin
+ #endif
+     case __NR_signalfd4:
+ #if defined(__i386__) || defined(__arm__) || \
+-    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
++    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
++    defined(__powerpc64__)
+     case __NR_sigpending:
+     case __NR_sigsuspend:
+ #endif
+@@ -387,7 +401,7 @@ bool SyscallSets::IsAllowedOperationOnFd
+ #endif
+     case __NR_dup3:
+ #if defined(__x86_64__) || defined(__arm__) || defined(__mips__) || \
+-    defined(__aarch64__)
++    defined(__aarch64__) || defined(__powerpc64__)
+     case __NR_shutdown:
+ #endif
+       return true;
+@@ -421,7 +435,7 @@ bool SyscallSets::IsAllowedProcessStartO
+     case __NR_membarrier:
+     case __NR_wait4:
+     case __NR_waitid:
+-#if defined(__i386__)
++#if defined(__i386__) || defined(__powerpc64__)
+     case __NR_waitpid:
+ #endif
+ #if !defined(__GLIBC__)
+@@ -443,7 +457,7 @@ bool SyscallSets::IsAllowedProcessStartO
+     case __NR_set_tid_address:
+ #endif
+     case __NR_unshare:
+-#if !defined(__mips__) && !defined(__aarch64__)
++#if !defined(__mips__) && !defined(__aarch64__) || defined(__powerpc64__)
+     case __NR_vfork:
+ #endif
+     default:
+@@ -496,7 +510,7 @@ bool SyscallSets::IsAllowedGetOrModifySo
+       return true;
+     default:
+ #if defined(__x86_64__) || defined(__arm__) || defined(__mips__) || \
+-    defined(__aarch64__)
++    defined(__aarch64__) || defined(__powerpc64__)
+     case __NR_socketpair:  // We will want to inspect its argument.
+ #endif
+       return false;
+@@ -506,7 +520,7 @@ bool SyscallSets::IsAllowedGetOrModifySo
+ bool SyscallSets::IsDeniedGetOrModifySocket(int sysno) {
+   switch (sysno) {
+ #if defined(__x86_64__) || defined(__arm__) || defined(__mips__) || \
+-    defined(__aarch64__)
++    defined(__aarch64__) || defined(__powerpc64__)
+     case __NR_accept:
+     case __NR_accept4:
+     case __NR_bind:
+@@ -521,7 +535,8 @@ bool SyscallSets::IsDeniedGetOrModifySoc
+ }
+ 
+ #if defined(__i386__) || \
+-    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
++    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
++    defined(__powerpc64__)
+ // Big multiplexing system call for sockets.
+ bool SyscallSets::IsSocketCall(int sysno) {
+   switch (sysno) {
+@@ -535,7 +550,8 @@ bool SyscallSets::IsSocketCall(int sysno
+ }
+ #endif
+ 
+-#if defined(__x86_64__) || defined(__arm__) || defined(__mips__)
++#if defined(__x86_64__) || defined(__arm__) || defined(__mips__) || \
++    defined(__powerpc64__)
+ bool SyscallSets::IsNetworkSocketInformation(int sysno) {
+   switch (sysno) {
+     case __NR_getpeername:
+@@ -563,7 +579,7 @@ bool SyscallSets::IsAllowedAddressSpaceA
+     case __NR_mincore:
+     case __NR_mlockall:
+ #if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
+-    defined(__aarch64__)
++    defined(__aarch64__) || defined(__powerpc64__)
+     case __NR_mmap:
+ #endif
+ #if defined(__i386__) || defined(__arm__) || \
+@@ -595,7 +611,8 @@ bool SyscallSets::IsAllowedGeneralIo(int
+   switch (sysno) {
+     case __NR_lseek:
+ #if defined(__i386__) || defined(__arm__) || \
+-    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
++    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
++    defined(__powerpc64__)
+     case __NR__llseek:
+ #endif
+ #if !defined(__aarch64__)
+@@ -615,26 +632,28 @@ bool SyscallSets::IsAllowedGeneralIo(int
+     case __NR_readv:
+     case __NR_pread64:
+ #if defined(__arm__) || \
+-    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
++    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
++    defined(__powerpc64__)
+     case __NR_recv:
+ #endif
+ #if defined(__x86_64__) || defined(__arm__) || defined(__mips__) || \
+-    defined(__aarch64__)
++    defined(__aarch64__) || defined(__powerpc64__)
+     case __NR_recvfrom:  // Could specify source.
+     case __NR_recvmsg:   // Could specify source.
+ #endif
+-#if defined(__i386__) || defined(__x86_64__)
++#if defined(__i386__) || defined(__x86_64__) || defined(__powerpc64__)
+     case __NR_select:
+ #endif
+-#if defined(__i386__) || defined(__arm__) || defined(__mips__)
++#if defined(__i386__) || defined(__arm__) || defined(__mips__) || defined(__powerpc64__)
+     case __NR__newselect:
+ #endif
+ #if defined(__arm__) || \
+-    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
++    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
++    defined(__powerpc64__)
+     case __NR_send:
+ #endif
+ #if defined(__x86_64__) || defined(__arm__) || defined(__mips__) || \
+-    defined(__aarch64__)
++    defined(__aarch64__) || defined(__powerpc64__)
+     case __NR_sendmsg:  // Could specify destination.
+     case __NR_sendto:   // Could specify destination.
+ #endif
+@@ -690,7 +709,8 @@ bool SyscallSets::IsAllowedBasicSchedule
+       return true;
+     case __NR_getpriority:
+ #if defined(__i386__) || defined(__arm__) || \
+-    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
++    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
++    defined(__powerpc64__)
+     case __NR_nice:
+ #endif
+     case __NR_setpriority:
+@@ -702,7 +722,8 @@ bool SyscallSets::IsAllowedBasicSchedule
+ bool SyscallSets::IsAdminOperation(int sysno) {
+   switch (sysno) {
+ #if defined(__i386__) || defined(__arm__) || \
+-    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
++    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
++    defined(__powerpc64__)
+     case __NR_bdflush:
+ #endif
+     case __NR_kexec_load:
+@@ -718,7 +739,8 @@ bool SyscallSets::IsAdminOperation(int s
+ 
+ bool SyscallSets::IsKernelModule(int sysno) {
+   switch (sysno) {
+-#if defined(__i386__) || defined(__x86_64__) || defined(__mips__)
++#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
++    defined(__powerpc64__)
+     case __NR_create_module:
+     case __NR_get_kernel_syms:  // Should ENOSYS.
+     case __NR_query_module:
+@@ -751,7 +773,8 @@ bool SyscallSets::IsFsControl(int sysno)
+     case __NR_swapoff:
+     case __NR_swapon:
+ #if defined(__i386__) || \
+-    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
++    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
++    defined(__powerpc64__)
+     case __NR_umount:
+ #endif
+     case __NR_umount2:
+@@ -767,7 +790,7 @@ bool SyscallSets::IsNuma(int sysno) {
+     case __NR_getcpu:
+     case __NR_mbind:
+ #if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
+-    defined(__aarch64__)
++    defined(__aarch64__) || defined(__powerpc64__)
+     case __NR_migrate_pages:
+ #endif
+     case __NR_move_pages:
+@@ -802,14 +825,15 @@ bool SyscallSets::IsGlobalProcessEnviron
+   switch (sysno) {
+     case __NR_acct:  // Privileged.
+ #if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
+-    defined(__aarch64__)
++    defined(__aarch64__) || defined(__powerpc64__)
+     case __NR_getrlimit:
+ #endif
+-#if defined(__i386__) || defined(__arm__)
++#if defined(__i386__) || defined(__arm__) || defined(__powerpc64__)
+     case __NR_ugetrlimit:
+ #endif
+ #if defined(__i386__) || \
+-    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
++    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
++    defined(__powerpc64__)
+     case __NR_ulimit:
+ #endif
+     case __NR_getrusage:
+@@ -843,7 +867,7 @@ bool SyscallSets::IsGlobalSystemStatus(i
+ #endif
+     case __NR_sysinfo:
+     case __NR_uname:
+-#if defined(__i386__)
++#if defined(__i386__) || defined(__powerpc64__)
+     case __NR_olduname:
+     case __NR_oldolduname:
+ #endif
+@@ -925,8 +949,16 @@ bool SyscallSets::IsSystemVSemaphores(in
+ }
+ #endif
+ 
++/* shitty hack around Void's 4.19 kernel headers missing those numbers */
++#if defined(__powerpc64__) && !defined(__NR_shmget)
++#define __NR_shmget 395
++#define __NR_shmctl 396
++#define __NR_shmat 397
++#define __NR_shmdt 398
++#endif
++
+ #if defined(__i386__) || defined(__x86_64__) || defined(__arm__) || \
+-    defined(__aarch64__) ||                                         \
++    defined(__aarch64__) || defined(__powerpc64__) || \
+     (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_64_BITS))
+ // These give a lot of ambient authority and bypass the setuid sandbox.
+ bool SyscallSets::IsSystemVSharedMemory(int sysno) {
+@@ -958,7 +990,8 @@ bool SyscallSets::IsSystemVMessageQueue(
+ #endif
+ 
+ #if defined(__i386__) || \
+-    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
++    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
++    defined(__powerpc64__)
+ // Big system V multiplexing system call.
+ bool SyscallSets::IsSystemVIpc(int sysno) {
+   switch (sysno) {
+@@ -978,7 +1011,8 @@ bool SyscallSets::IsAnySystemV(int sysno
+   return IsSystemVMessageQueue(sysno) || IsSystemVSemaphores(sysno) ||
+          IsSystemVSharedMemory(sysno);
+ #elif defined(__i386__) || \
+-    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
++    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
++    defined(__powerpc64__)
+   return IsSystemVIpc(sysno);
+ #endif
+ }
+@@ -1035,7 +1069,8 @@ bool SyscallSets::IsFaNotify(int sysno)
+ bool SyscallSets::IsTimer(int sysno) {
+   switch (sysno) {
+     case __NR_getitimer:
+-#if defined(__i386__) || defined(__x86_64__) || defined(__mips__)
++#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
++    defined(__powerpc64__)
+     case __NR_alarm:
+ #endif
+     case __NR_setitimer:
+@@ -1117,18 +1152,22 @@ bool SyscallSets::IsMisc(int sysno) {
+     case __NR_syncfs:
+     case __NR_vhangup:
+ // The system calls below are not implemented.
+-#if defined(__i386__) || defined(__x86_64__) || defined(__mips__)
++#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
++    defined(__powerpc64__)
+     case __NR_afs_syscall:
+ #endif
+ #if defined(__i386__) || \
+-    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
++    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
++    defined(__powerpc64__)
+     case __NR_break:
+ #endif
+-#if defined(__i386__) || defined(__x86_64__) || defined(__mips__)
++#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
++    defined(__powerpc64__)
+     case __NR_getpmsg:
+ #endif
+ #if defined(__i386__) || \
+-    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
++    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
++    defined(__powerpc64__)
+     case __NR_gtty:
+     case __NR_idle:
+     case __NR_lock:
+@@ -1136,20 +1175,22 @@ bool SyscallSets::IsMisc(int sysno) {
+     case __NR_prof:
+     case __NR_profil:
+ #endif
+-#if defined(__i386__) || defined(__x86_64__) || defined(__mips__)
++#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
++    defined(__powerpc64__)
+     case __NR_putpmsg:
+ #endif
+ #if defined(__x86_64__)
+     case __NR_security:
+ #endif
+ #if defined(__i386__) || \
+-    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
++    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
++    defined(__powerpc64__)
+     case __NR_stty:
+ #endif
+-#if defined(__x86_64__)
++#if defined(__x86_64__) || defined(__powerpc64__)
+     case __NR_tuxcall:
+ #endif
+-#if !defined(__aarch64__)
++#if !defined(__aarch64__) && !defined(__powerpc64__)
+     case __NR_vserver:
+ #endif
+       return true;
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_sets.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/sandbox/linux/seccomp-bpf-helpers/syscall_sets.h
+@@ -46,13 +46,14 @@ class SANDBOX_EXPORT SyscallSets {
+   static bool IsDeniedGetOrModifySocket(int sysno);
+ 
+ #if defined(__i386__) || \
+-    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
++    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
++    defined(__powerpc64__)
+   // Big multiplexing system call for sockets.
+   static bool IsSocketCall(int sysno);
+ #endif
+ 
+ #if defined(__x86_64__) || defined(__arm__) || defined(__mips__) || \
+-    defined(__aarch64__)
++    defined(__aarch64__) || defined(__powerpc64__)
+   static bool IsNetworkSocketInformation(int sysno);
+ #endif
+ 
+@@ -83,7 +84,7 @@ class SANDBOX_EXPORT SyscallSets {
+   static bool IsSystemVSemaphores(int sysno);
+ #endif
+ #if defined(__i386__) || defined(__x86_64__) || defined(__arm__) || \
+-    defined(__aarch64__) ||                                         \
++    defined(__aarch64__) || defined(__powerpc64__) || \
+     (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_64_BITS))
+   // These give a lot of ambient authority and bypass the setuid sandbox.
+   static bool IsSystemVSharedMemory(int sysno);
+@@ -95,7 +96,8 @@ class SANDBOX_EXPORT SyscallSets {
+ #endif
+ 
+ #if defined(__i386__) || \
+-    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS))
++    (defined(ARCH_CPU_MIPS_FAMILY) && defined(ARCH_CPU_32_BITS)) || \
++    defined(__powerpc64__)
+   // Big system V multiplexing system call.
+   static bool IsSystemVIpc(int sysno);
+ #endif
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/sandbox/linux/seccomp-bpf/syscall.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/sandbox/linux/seccomp-bpf/syscall.cc
+@@ -18,7 +18,7 @@ namespace sandbox {
+ namespace {
+ 
+ #if defined(ARCH_CPU_X86_FAMILY) || defined(ARCH_CPU_ARM_FAMILY) || \
+-    defined(ARCH_CPU_MIPS_FAMILY)
++    defined(ARCH_CPU_MIPS_FAMILY) || defined (ARCH_CPU_PPC64_FAMILY)
+ // Number that's not currently used by any Linux kernel ABIs.
+ const int kInvalidSyscallNumber = 0x351d3;
+ #else
+@@ -308,10 +308,54 @@ asm(// We need to be able to tell the ke
+     "2:ret\n"
+     ".cfi_endproc\n"
+     ".size SyscallAsm, .-SyscallAsm\n"
++#elif defined(__powerpc64__)
++    ".text\n"
++    ".align 4\n"
++    ".type SyscallAsm @function\n"
++    "SyscallAsm:\n"
++    ".cfi_startproc\n"
++
++    // Check if r3 is negative
++    "cmpdi 3, 0\n"
++    "bgt 2f\n"
++
++    // Load address of 3f into r3 and return
++    "mflr 10\n"
++    "bl 1f\n"
++    "1: mflr 3\n"
++    "mtlr 10\n"
++    "addi 3, 3, 4*13\n"
++    "blr\n"
++
++    // Load arguments from array into r3-8
++    // save param 3 in r10
++    "2:\n"
++    "mr 0, 3\n"
++    "ld 3, 0(4)\n"
++    "ld 5, 16(4)\n"
++    "ld 6, 24(4)\n"
++    "ld 7, 32(4)\n"
++    "ld 8, 40(4)\n"
++    "ld 4, 8(4)\n"
++    "li 9, 0\n"
++
++    // Enter kernel
++    "sc\n"
++
++    // Magic return address
++    "3:\n"
++    // Like MIPS, ppc64 return values are always positive.
++    // Check for error in cr0.SO and negate upon error
++    "bc 4, 3, 4f\n"
++    "neg 3, 3\n"
++    "4: blr\n"
++
++    ".cfi_endproc\n"
++    ".size SyscallAsm, .-SyscallAsm\n"
+ #endif
+     );  // asm
+ 
+-#if defined(__x86_64__)
++#if defined(__x86_64__) || defined(__powerpc64__)
+ extern "C" {
+ intptr_t SyscallAsm(intptr_t nr, const intptr_t args[6]);
+ }
+@@ -425,6 +469,8 @@ intptr_t Syscall::Call(int nr,
+     ret = inout;
+   }
+ 
++#elif defined(__powerpc64__)
++  intptr_t ret = SyscallAsm(nr, args);
+ #else
+ #error "Unimplemented architecture"
+ #endif
+@@ -441,8 +487,18 @@ void Syscall::PutValueInUcontext(intptr_
+     // needs to be changed back.
+     ret_val = -ret_val;
+     SECCOMP_PARM4(ctx) = 1;
+-  } else
++  } else {
+     SECCOMP_PARM4(ctx) = 0;
++  }
++#endif
++#if defined(__powerpc64__)
++  // Same as MIPS, need to invert ret and set error register (cr0.SO)
++  if (ret_val <= -1 && ret_val >= -4095) {
++    ret_val = -ret_val;
++    ctx->uc_mcontext.regs->ccr |= (1 << 28);
++  } else {
++    ctx->uc_mcontext.regs->ccr &= ~(1 << 28);
++  }
+ #endif
+   SECCOMP_RESULT(ctx) = static_cast<greg_t>(ret_val);
+ }
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/sandbox/linux/seccomp-bpf/trap.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/sandbox/linux/seccomp-bpf/trap.cc
+@@ -233,6 +233,20 @@ void Trap::SigSys(int nr, LinuxSigInfo*
+       SetIsInSigHandler();
+     }
+ 
++#if defined(__powerpc64__)
++    // On ppc64+glibc, some syscalls seem to accidentally negate the first
++    // parameter which causes checks against it to fail. For now, manually
++    // negate them back.
++    // TODO(shawn@anastas.io): investigate this issue further
++    auto nr = SECCOMP_SYSCALL(ctx);
++    if (nr == __NR_openat || nr == __NR_mkdirat || nr == __NR_faccessat || nr == __NR_readlinkat ||
++        nr == __NR_renameat || nr == __NR_renameat2 || nr == __NR_newfstatat || nr == __NR_unlinkat) {
++        if (static_cast<int>(SECCOMP_PARM1(ctx)) > 0) {
++            SECCOMP_PARM1(ctx) = -SECCOMP_PARM1(ctx);
++        }
++    }
++#endif
++
+     // Copy the seccomp-specific data into a arch_seccomp_data structure. This
+     // is what we are showing to TrapFnc callbacks that the system call
+     // evaluator registered with the sandbox.
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/sandbox/linux/services/credentials.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/sandbox/linux/services/credentials.cc
+@@ -80,7 +80,7 @@ bool ChrootToSafeEmptyDir() {
+   pid_t pid = -1;
+   alignas(16) char stack_buf[PTHREAD_STACK_MIN];
+ #if defined(ARCH_CPU_X86_FAMILY) || defined(ARCH_CPU_ARM_FAMILY) || \
+-    defined(ARCH_CPU_MIPS_FAMILY)
++    defined(ARCH_CPU_MIPS_FAMILY) || defined(ARCH_CPU_PPC64_FAMILY)
+   // The stack grows downward.
+   void* stack = stack_buf + sizeof(stack_buf);
+ #else
+@@ -89,7 +89,9 @@ bool ChrootToSafeEmptyDir() {
+ 
+   int clone_flags = CLONE_FS | LINUX_SIGCHLD;
+   void* tls = nullptr;
+-#if (defined(ARCH_CPU_X86_64) || defined(ARCH_CPU_ARM_FAMILY)) && \
++// RAJA this might be it...
++#if (defined(ARCH_CPU_X86_64) || defined(ARCH_CPU_ARM_FAMILY) || \
++    defined(ARCH_CPU_PPC64_FAMILY)) && \
+     !defined(MEMORY_SANITIZER)
+   // Use CLONE_VM | CLONE_VFORK as an optimization to avoid copying page tables.
+   // Since clone writes to the new child's TLS before returning, we must set a
+@@ -97,6 +99,11 @@ bool ChrootToSafeEmptyDir() {
+   // glibc performs syscalls by calling a function pointer in TLS, so we do not
+   // attempt this optimization.
+   // TODO(crbug.com/1247458) Broken in MSan builds after LLVM f1bb30a4956f.
++  //
++  // NOTE: Without CLONE_VM, fontconfig will attempt to reload configuration
++  // in every thread.  Since the rendered threads are sandboxed without
++  // filesystem access (e.g. to /etc/fonts/fonts.conf) this will cause font
++  // configuraiton loading failures and no fonts will be displayed!
+   clone_flags |= CLONE_VM | CLONE_VFORK | CLONE_SETTLS;
+ 
+   // PTHREAD_STACK_MIN can be dynamic in glibc2.34+, so it is not possible to
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/sandbox/linux/services/syscall_wrappers.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/sandbox/linux/services/syscall_wrappers.cc
+@@ -61,7 +61,7 @@ long sys_clone(unsigned long flags,
+ #if defined(ARCH_CPU_X86_64)
+   return syscall(__NR_clone, flags, child_stack, ptid, ctid, tls);
+ #elif defined(ARCH_CPU_X86) || defined(ARCH_CPU_ARM_FAMILY) || \
+-    defined(ARCH_CPU_MIPS_FAMILY)
++    defined(ARCH_CPU_MIPS_FAMILY) || defined(ARCH_CPU_PPC64_FAMILY)
+   // CONFIG_CLONE_BACKWARDS defined.
+   return syscall(__NR_clone, flags, child_stack, ptid, tls, ctid);
+ #endif
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/sandbox/linux/syscall_broker/broker_process.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/sandbox/linux/syscall_broker/broker_process.cc
+@@ -164,7 +164,7 @@ bool BrokerProcess::IsSyscallBrokerable(
+ #if defined(__NR_fstatat64)
+     case __NR_fstatat64:
+ #endif
+-#if defined(__x86_64__) || defined(__aarch64__)
++#if defined(__x86_64__) || defined(__aarch64__) || defined(__powerpc64__)
+     case __NR_newfstatat:
+ #endif
+       return !fast_check || policy_->allowed_command_set.test(COMMAND_STAT);
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/sandbox/linux/system_headers/linux_seccomp.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/sandbox/linux/system_headers/linux_seccomp.h
+@@ -38,6 +38,9 @@
+ #ifndef EM_AARCH64
+ #define EM_AARCH64 183
+ #endif
++#ifndef EM_PPC64
++#define EM_PPC64 21
++#endif
+ 
+ #ifndef __AUDIT_ARCH_64BIT
+ #define __AUDIT_ARCH_64BIT 0x80000000
+@@ -70,6 +73,12 @@
+ #ifndef AUDIT_ARCH_AARCH64
+ #define AUDIT_ARCH_AARCH64 (EM_AARCH64 | __AUDIT_ARCH_64BIT | __AUDIT_ARCH_LE)
+ #endif
++#ifndef AUDIT_ARCH_PPC64
++#define AUDIT_ARCH_PPC64 (EM_PPC64 | __AUDIT_ARCH_64BIT)
++#endif
++#ifndef AUDIT_ARCH_PPC64LE
++#define AUDIT_ARCH_PPC64LE (EM_PPC64 | __AUDIT_ARCH_64BIT | __AUDIT_ARCH_LE)
++#endif
+ 
+ // For prctl.h
+ #ifndef PR_SET_SECCOMP
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/sandbox/linux/system_headers/linux_signal.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/sandbox/linux/system_headers/linux_signal.h
+@@ -13,7 +13,7 @@
+ // (not undefined, but defined different values and in different memory
+ // layouts). So, fill the gap here.
+ #if defined(__i386__) || defined(__x86_64__) || defined(__arm__) || \
+-    defined(__aarch64__)
++    defined(__aarch64__) || defined(__powerpc64__)
+ 
+ #define LINUX_SIGHUP 1
+ #define LINUX_SIGINT 2
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/sandbox/linux/system_headers/linux_syscalls.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/sandbox/linux/system_headers/linux_syscalls.h
+@@ -35,5 +35,9 @@
+ #include "sandbox/linux/system_headers/arm64_linux_syscalls.h"
+ #endif
+ 
++#if defined(__powerpc64__)
++#include "sandbox/linux/system_headers/ppc64_linux_syscalls.h"
++#endif
++
+ #endif  // SANDBOX_LINUX_SYSTEM_HEADERS_LINUX_SYSCALLS_H_
+ 
+--- /dev/null
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/sandbox/linux/system_headers/ppc64_linux_syscalls.h
+@@ -0,0 +1,12 @@
++// Copyright 2014 The Chromium Authors. All rights reserved.
++// Use of this source code is governed by a BSD-style license that can be
++// found in the LICENSE file.
++
++#ifndef SANDBOX_LINUX_SYSTEM_HEADERS_PPC64_LINUX_SYSCALLS_H_
++#define SANDBOX_LINUX_SYSTEM_HEADERS_PPC64_LINUX_SYSCALLS_H_
++
++#include <asm/unistd.h>
++
++//TODO: is it necessary to redefine syscall numbers for PPC64?
++
++#endif  // SANDBOX_LINUX_SYSTEM_HEADERS_PPC64_LINUX_SYSCALLS_H_
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/sandbox/policy/linux/bpf_utility_policy_linux.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/sandbox/policy/linux/bpf_utility_policy_linux.cc
+@@ -38,7 +38,7 @@ ResultExpr UtilityProcessPolicy::Evaluat
+     case __NR_fdatasync:
+     case __NR_fsync:
+ #if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
+-    defined(__aarch64__)
++    defined(__aarch64__) || defined(__powerpc64__)
+     case __NR_getrlimit:
+ #endif
+ #if defined(__i386__) || defined(__arm__)
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/sandbox/policy/linux/bpf_renderer_policy_linux.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/sandbox/policy/linux/bpf_renderer_policy_linux.cc
+@@ -15,6 +15,11 @@
+ #include "sandbox/linux/system_headers/linux_syscalls.h"
+ #include "sandbox/policy/linux/sandbox_linux.h"
+ 
++// On PPC64, TCGETS is defined in terms of struct termios, so we must include termios.h
++#ifdef __powerpc64__
++#include <termios.h>
++#endif
++
+ // TODO(vignatti): replace the local definitions below with #include
+ // <linux/dma-buf.h> once kernel version 4.6 becomes widely used.
+ #include <linux/types.h>
+@@ -72,7 +77,7 @@ ResultExpr RendererProcessPolicy::Evalua
+     case __NR_ftruncate64:
+ #endif
+ #if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
+-    defined(__aarch64__)
++    defined(__aarch64__) || defined(__powerpc64__)
+     case __NR_getrlimit:
+     case __NR_setrlimit:
+ // We allow setrlimit to dynamically adjust the address space limit as
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/angle/src/compiler/translator/InfoSink.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/angle/src/compiler/translator/InfoSink.h
+@@ -93,7 +93,16 @@ class TInfoSinkBase
+             stream.precision(8);
+             stream << f;
+         }
+-        sink.append(stream.str());
++
++        // Hack to work around a bug where negative floating point values
++        // are rendered like '.0.5' instead of '-0.5'
++        std::string res(stream.str());
++
++        if (signbit(f)) { // test if f is negative
++            res[0] = '-';
++        }
++
++        sink.append(res);
+         return *this;
+     }
+     // Write boolean values as their names instead of integral value.
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/angle/src/libANGLE/Constants.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/angle/src/libANGLE/Constants.h
+@@ -9,6 +9,7 @@
+ #ifndef LIBANGLE_CONSTANTS_H_
+ #define LIBANGLE_CONSTANTS_H_
+ 
++#include <cstddef>
+ #include "common/platform.h"
+ 
+ #include <stdint.h>
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/boringssl/BUILD.gn
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/boringssl/BUILD.gn
+@@ -101,6 +101,13 @@ if (is_win && !is_msan && current_cpu !=
+       } else {
+         public_configs = [ ":no_asm_config" ]
+       }
++    } else if (current_cpu == "ppc64") {
++      if (is_linux) {
++        # TODO: ppc64 (be) check
++        sources += crypto_sources_linux_ppc64le
++      } else {
++        public_configs = [ ":no_asm_config" ]
++      }
+     } else {
+       public_configs = [ ":no_asm_config" ]
+     }
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/breakpad/BUILD.gn
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/breakpad/BUILD.gn
+@@ -623,7 +623,6 @@ if (is_linux || is_chromeos || is_androi
+       "breakpad/src/client/minidump_file_writer.h",
+       "breakpad/src/common/convert_UTF.cc",
+       "breakpad/src/common/convert_UTF.h",
+-      "breakpad/src/common/linux/breakpad_getcontext.S",
+       "breakpad/src/common/linux/elf_core_dump.cc",
+       "breakpad/src/common/linux/elf_core_dump.h",
+       "breakpad/src/common/linux/elfutils.cc",
+@@ -663,6 +662,14 @@ if (is_linux || is_chromeos || is_androi
+ 
+     libs = [ "dl" ]
+ 
++    if (current_cpu == "ppc64") {
++        defines = [ "HAVE_GETCONTEXT" ]
++    } else {
++        sources += [
++            "breakpad/src/common/linux/breakpad_getcontext.S"
++        ]
++    }
++
+     include_dirs = [
+       ".",
+       "breakpad/src",
+@@ -712,7 +719,6 @@ if (is_linux || is_chromeos || is_androi
+       "breakpad/src/client/linux/minidump_writer/minidump_writer_unittest.cc",
+       "breakpad/src/client/linux/minidump_writer/minidump_writer_unittest_utils.cc",
+       "breakpad/src/client/linux/minidump_writer/proc_cpuinfo_reader_unittest.cc",
+-      "breakpad/src/common/linux/breakpad_getcontext_unittest.cc",
+       "breakpad/src/common/linux/elf_core_dump_unittest.cc",
+       "breakpad/src/common/linux/file_id_unittest.cc",
+       "breakpad/src/common/linux/linux_libc_support_unittest.cc",
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/dump_writer_common/raw_context_cpu.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/dump_writer_common/raw_context_cpu.h
+@@ -44,6 +44,8 @@ typedef MDRawContextARM RawContextCPU;
+ typedef MDRawContextARM64_Old RawContextCPU;
+ #elif defined(__mips__)
+ typedef MDRawContextMIPS RawContextCPU;
++#elif defined(__powerpc64__)
++typedef MDRawContextPPC64 RawContextCPU;
+ #else
+ #error "This code has not been ported to your platform yet."
+ #endif
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/dump_writer_common/thread_info.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/dump_writer_common/thread_info.cc
+@@ -270,7 +270,42 @@ void ThreadInfo::FillCPUContext(RawConte
+   out->float_save.fir = mcontext.fpc_eir;
+ #endif
+ }
+-#endif  // __mips__
++
++#elif defined(__powerpc64__)
++
++uintptr_t ThreadInfo::GetInstructionPointer() const {
++    return mcontext.gp_regs[PT_NIP];
++}
++
++void ThreadInfo::FillCPUContext(RawContextCPU* out) const {
++    out->context_flags = MD_CONTEXT_PPC64_FULL;
++    for (int i = 0; i < MD_CONTEXT_PPC64_GPR_COUNT; i++)
++        out->gpr[i] = mcontext.gp_regs[i];
++
++    out->lr = mcontext.gp_regs[PT_LNK];
++    out->srr0 = mcontext.gp_regs[PT_NIP];
++    out->srr1 = mcontext.gp_regs[PT_MSR];
++    out->cr = mcontext.gp_regs[PT_CCR];
++    out->xer = mcontext.gp_regs[PT_XER];
++    out->ctr = mcontext.gp_regs[PT_CTR];
++
++    for (int i = 0; i < MD_FLOATINGSAVEAREA_PPC_FPR_COUNT; i++)
++        out->float_save.fpregs[i] = mcontext.fp_regs[i];
++
++    out->float_save.fpscr = mcontext.fp_regs[NFPREG-1];
++
++    for (int i = 0; i < MD_VECTORSAVEAREA_PPC_VR_COUNT; i++)
++        out->vector_save.save_vr[i] = \
++            {(((uint64_t)vregs.vrregs[i][0]) << 32)
++                          | vregs.vrregs[i][1],
++            (((uint64_t)vregs.vrregs[i][2]) << 32)
++                         | vregs.vrregs[i][3]};
++
++    out->vrsave = vregs.vrsave;
++    out->vector_save.save_vscr = {0, vregs.vscr.vscr_word};
++    out->vector_save.save_vrvalid = 0xFFFFFFFF;
++}
++#endif  // __powerpc64__
+ 
+ void ThreadInfo::GetGeneralPurposeRegisters(void** gp_regs, size_t* size) {
+   assert(gp_regs || size);
+@@ -279,6 +314,11 @@ void ThreadInfo::GetGeneralPurposeRegist
+     *gp_regs = mcontext.gregs;
+   if (size)
+     *size = sizeof(mcontext.gregs);
++#elif defined(__powerpc64__)
++  if (gp_regs)
++    *gp_regs = mcontext.gp_regs;
++  if (size)
++    *size = sizeof(mcontext.gp_regs);
+ #else
+   if (gp_regs)
+     *gp_regs = &regs;
+@@ -294,6 +334,11 @@ void ThreadInfo::GetFloatingPointRegiste
+     *fp_regs = &mcontext.fpregs;
+   if (size)
+     *size = sizeof(mcontext.fpregs);
++#elif defined(__powerpc64__)
++  if (fp_regs)
++    *fp_regs = &mcontext.fp_regs;
++  if (size)
++    *size = sizeof(mcontext.fp_regs);
+ #else
+   if (fp_regs)
+     *fp_regs = &fpregs;
+@@ -302,4 +347,13 @@ void ThreadInfo::GetFloatingPointRegiste
+ #endif
+ }
+ 
++#if defined(__powerpc64__)
++void ThreadInfo::GetVectorRegisters(void** v_regs, size_t* size) {
++    if (v_regs)
++        *v_regs = &vregs;
++    if (size)
++        *size = sizeof(vregs);
++}
++#endif
++
+ }  // namespace google_breakpad
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/dump_writer_common/thread_info.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/dump_writer_common/thread_info.h
+@@ -68,6 +68,10 @@ struct ThreadInfo {
+   // Use the structures defined in <sys/user.h>
+   struct user_regs_struct regs;
+   struct user_fpsimd_struct fpregs;
++#elif defined(__powerpc64__)
++  // Use the structures defined in <sys/ucontext.h>.
++  mcontext_t mcontext;
++  vrregset_t vregs;
+ #elif defined(__mips__)
+   // Use the structure defined in <sys/ucontext.h>.
+   mcontext_t mcontext;
+@@ -84,6 +88,11 @@ struct ThreadInfo {
+ 
+   // Returns the pointer and size of float point register area.
+   void GetFloatingPointRegisters(void** fp_regs, size_t* size);
++
++#if defined(__powerpc64__)
++  // Returns the pointer and size of the vector register area. (PPC64 only)
++  void GetVectorRegisters(void** v_regs, size_t* size);
++#endif
+ };
+ 
+ }  // namespace google_breakpad
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/dump_writer_common/ucontext_reader.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/dump_writer_common/ucontext_reader.cc
+@@ -254,6 +254,48 @@ void UContextReader::FillCPUContext(RawC
+   out->float_save.fir = uc->uc_mcontext.fpc_eir;  // Unused.
+ #endif
+ }
++
++#elif defined(__powerpc64__)
++
++uintptr_t UContextReader::GetStackPointer(const ucontext_t* uc) {
++    return uc->uc_mcontext.gp_regs[MD_CONTEXT_PPC64_REG_SP];
++}
++
++uintptr_t UContextReader::GetInstructionPointer(const ucontext_t* uc) {
++    return uc->uc_mcontext.gp_regs[PT_NIP];
++}
++
++void UContextReader::FillCPUContext(RawContextCPU* out, const ucontext_t* uc,
++                                    const vrregset_t* vregs) {
++    out->context_flags = MD_CONTEXT_PPC64_FULL;
++
++    for (int i = 0; i < MD_CONTEXT_PPC64_GPR_COUNT; i++)
++        out->gpr[i] = uc->uc_mcontext.gp_regs[i];
++
++    out->lr = uc->uc_mcontext.gp_regs[PT_LNK];
++    out->srr0 = uc->uc_mcontext.gp_regs[PT_NIP];
++    out->srr1 = uc->uc_mcontext.gp_regs[PT_MSR];
++    out->cr = uc->uc_mcontext.gp_regs[PT_CCR];
++    out->xer = uc->uc_mcontext.gp_regs[PT_XER];
++    out->ctr = uc->uc_mcontext.gp_regs[PT_CTR];
++
++    for (int i = 0; i < MD_FLOATINGSAVEAREA_PPC_FPR_COUNT; i++)
++        out->float_save.fpregs[i] = uc->uc_mcontext.fp_regs[i];
++
++    out->float_save.fpscr = uc->uc_mcontext.fp_regs[NFPREG-1];
++
++    for (int i = 0; i < MD_VECTORSAVEAREA_PPC_VR_COUNT; i++)
++        out->vector_save.save_vr[i] =
++            {(((uint64_t)vregs->vrregs[i][0]) << 32)
++                         | vregs->vrregs[i][1],
++             (((uint64_t)vregs->vrregs[i][2]) << 32)
++                         | vregs->vrregs[i][3]};
++
++    out->vrsave = vregs->vrsave;
++    out->vector_save.save_vscr = {0, vregs->vscr.vscr_word};
++    out->vector_save.save_vrvalid = 0xFFFFFFFF;
++}
++
+ #endif
+ 
+ }  // namespace google_breakpad
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/dump_writer_common/ucontext_reader.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/dump_writer_common/ucontext_reader.h
+@@ -55,6 +55,9 @@ struct UContextReader {
+ #elif defined(__aarch64__)
+   static void FillCPUContext(RawContextCPU* out, const ucontext_t* uc,
+                              const struct fpsimd_context* fpregs);
++#elif defined(__powerpc64__)
++  static void FillCPUContext(RawContextCPU *out, const ucontext_t *uc,
++                             const vrregset_t* vregs);
+ #else
+   static void FillCPUContext(RawContextCPU* out, const ucontext_t* uc);
+ #endif
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/handler/exception_handler.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/handler/exception_handler.cc
+@@ -461,9 +461,16 @@ bool ExceptionHandler::HandleSignal(int
+     memcpy(&g_crash_context_.float_state, fp_ptr,
+            sizeof(g_crash_context_.float_state));
+   }
++#elif defined(__powerpc64__)
++  // On PPC64, we must copy VR state
++  ucontext_t* uc_ptr = (ucontext_t*)uc;
++  if (uc_ptr->uc_mcontext.v_regs) {
++    memcpy(&g_crash_context_.vector_state, uc_ptr->uc_mcontext.v_regs,
++           sizeof(g_crash_context_.vector_state));
++  }
+ #elif !defined(__ARM_EABI__) && !defined(__mips__)
+   // FP state is not part of user ABI on ARM Linux.
+-  // In case of MIPS Linux FP state is already part of ucontext_t
++  // In case of MIPS, Linux FP state is already part of ucontext_t
+   // and 'float_state' is not a member of CrashContext.
+   ucontext_t* uc_ptr = (ucontext_t*)uc;
+   if (uc_ptr->uc_mcontext.fpregs) {
+@@ -708,11 +715,19 @@ bool ExceptionHandler::WriteMinidump() {
+   }
+ #endif
+ 
+-#if !defined(__ARM_EABI__) && !defined(__aarch64__) && !defined(__mips__)
++#if !defined(__ARM_EABI__) && !defined(__aarch64__) && !defined(__mips__) \
++    && !defined(__powerpc64__)
+   // FPU state is not part of ARM EABI ucontext_t.
+   memcpy(&context.float_state, context.context.uc_mcontext.fpregs,
+          sizeof(context.float_state));
+ #endif
++
++#if defined(__powerpc64__)
++  // Vector registers must be copied on PPC64
++  memcpy(&context.vector_state, context.context.uc_mcontext.v_regs,
++         sizeof(context.vector_state));
++#endif
++
+   context.tid = sys_gettid();
+ 
+   // Add an exception stream to the minidump for better reporting.
+@@ -733,6 +748,9 @@ bool ExceptionHandler::WriteMinidump() {
+ #elif defined(__mips__)
+   context.siginfo.si_addr =
+       reinterpret_cast<void*>(context.context.uc_mcontext.pc);
++#elif defined(__powerpc64__)
++  context.siginfo.si_addr =
++      reinterpret_cast<void*>(context.context.uc_mcontext.gp_regs[PT_NIP]);
+ #else
+ #error "This code has not been ported to your platform yet."
+ #endif
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/handler/exception_handler.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/handler/exception_handler.h
+@@ -192,7 +192,11 @@ class ExceptionHandler {
+     siginfo_t siginfo;
+     pid_t tid;  // the crashing thread.
+     ucontext_t context;
+-#if !defined(__ARM_EABI__) && !defined(__mips__)
++#if defined(__powerpc64__)
++    // PPC64's FP state is a part of ucontext_t like MIPS but the vector
++    // state is not, so a struct is needed.
++    vstate_t vector_state;
++#elif !defined(__ARM_EABI__) && !defined(__mips__)
+     // #ifdef this out because FP state is not part of user ABI for Linux ARM.
+     // In case of MIPS Linux FP state is already part of ucontext_t so
+     // 'float_state' is not required.
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/handler/exception_handler_unittest.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/handler/exception_handler_unittest.cc
+@@ -307,7 +307,7 @@ TEST(ExceptionHandlerTest, ParallelChild
+   }
+ 
+   // Wait a while until the child should have crashed.
+-  usleep(1000000);
++  usleep(2000000);
+   // Kill the child if it is still running.
+   kill(child, SIGKILL);
+ 
+@@ -559,6 +559,8 @@ const unsigned char kIllegalInstruction[
+ #if defined(__mips__)
+   // mfc2 zero,Impl - usually illegal in userspace.
+   0x48, 0x00, 0x00, 0x48
++#elif defined(__powerpc64__)
++  0x01, 0x01, 0x01, 0x01 // Crashes on a tested POWER9 cpu
+ #else
+   // This crashes with SIGILL on x86/x86-64/arm.
+   0xff, 0xff, 0xff, 0xff
+@@ -754,10 +756,10 @@ TEST(ExceptionHandlerTest, InstructionPo
+ 
+   // These are defined here so the parent can use them to check the
+   // data from the minidump afterwards.
+-  // Use 4k here because the OS will hand out a single page even
++  // Use the page size here because the OS will hand out a single page even
+   // if a smaller size is requested, and this test wants to
+   // test the upper bound of the memory range.
+-  const uint32_t kMemorySize = 4096;  // bytes
++  const uint32_t kMemorySize = getpagesize();  // bytes
+   const int kOffset = kMemorySize - sizeof(kIllegalInstruction);
+ 
+   const pid_t child = fork();
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/microdump_writer/microdump_writer.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/microdump_writer/microdump_writer.cc
+@@ -138,7 +138,9 @@ class MicrodumpWriter {
+                   const MicrodumpExtraInfo& microdump_extra_info,
+                   LinuxDumper* dumper)
+       : ucontext_(context ? &context->context : NULL),
+-#if !defined(__ARM_EABI__) && !defined(__mips__)
++#if defined(__powerpc64__)
++        vector_state_(context ? &context->vector_state : NULL),
++#elif !defined(__ARM_EABI__) && !defined(__mips__)
+         float_state_(context ? &context->float_state : NULL),
+ #endif
+         dumper_(dumper),
+@@ -337,6 +339,8 @@ class MicrodumpWriter {
+ # else
+ #  error "This mips ABI is currently not supported (n32)"
+ #endif
++#elif defined(__powerpc64__)
++    const char kArch[] = "ppc64";
+ #else
+ #error "This code has not been ported to your platform yet"
+ #endif
+@@ -409,7 +413,9 @@ class MicrodumpWriter {
+   void DumpCPUState() {
+     RawContextCPU cpu;
+     my_memset(&cpu, 0, sizeof(RawContextCPU));
+-#if !defined(__ARM_EABI__) && !defined(__mips__)
++#if defined(__powerpc64__)
++    UContextReader::FillCPUContext(&cpu, ucontext_, vector_state_);
++#elif !defined(__ARM_EABI__) && !defined(__mips__)
+     UContextReader::FillCPUContext(&cpu, ucontext_, float_state_);
+ #else
+     UContextReader::FillCPUContext(&cpu, ucontext_);
+@@ -605,7 +611,9 @@ class MicrodumpWriter {
+   void* Alloc(unsigned bytes) { return dumper_->allocator()->Alloc(bytes); }
+ 
+   const ucontext_t* const ucontext_;
+-#if !defined(__ARM_EABI__) && !defined(__mips__)
++#if defined(__powerpc64__)
++  const google_breakpad::vstate_t* const vector_state_;
++#elif !defined(__ARM_EABI__) && !defined(__mips__)
+   const google_breakpad::fpstate_t* const float_state_;
+ #endif
+   LinuxDumper* dumper_;
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/microdump_writer/microdump_writer_unittest.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/microdump_writer/microdump_writer_unittest.cc
+@@ -279,10 +279,19 @@ TEST(MicrodumpWriterTest, BasicWithMappi
+   CrashAndGetMicrodump(mappings, MicrodumpExtraInfo(), &buf);
+   ASSERT_TRUE(ContainsMicrodump(buf));
+ 
++  int page_size = getpagesize();
+ #ifdef __LP64__
+-  ASSERT_NE(std::string::npos,
+-            buf.find("M 0000000000001000 000000000000002A 0000000000001000 "
+-                     "33221100554477668899AABBCCDDEEFF0 libfoo.so"));
++  // This test is only available for the following page sizes
++  ASSERT_TRUE((page_size == 4096) || (page_size == 65536));
++  if (page_size == 4096) {
++    ASSERT_NE(std::string::npos,
++              buf.find("M 0000000000001000 000000000000002A 0000000000001000 "
++                       "33221100554477668899AABBCCDDEEFF0 libfoo.so"));
++  } else {
++    ASSERT_NE(std::string::npos,
++              buf.find("M 0000000000010000 000000000000002A 0000000000010000 "
++                       "33221100554477668899AABBCCDDEEFF0 libfoo.so"));
++  }
+ #else
+   ASSERT_NE(std::string::npos,
+             buf.find("M 00001000 0000002A 00001000 "
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_core_dumper.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_core_dumper.cc
+@@ -117,6 +117,9 @@ bool LinuxCoreDumper::GetThreadInfoByInd
+ #elif defined(__mips__)
+   stack_pointer =
+       reinterpret_cast<uint8_t*>(info->mcontext.gregs[MD_CONTEXT_MIPS_REG_SP]);
++#elif defined(__powerpc64__)
++  stack_pointer =
++      reinterpret_cast<uint8_t*>(info->mcontext.gp_regs[MD_CONTEXT_PPC64_REG_SP]);
+ #else
+ #error "This code hasn't been ported to your platform yet."
+ #endif
+@@ -212,7 +215,10 @@ bool LinuxCoreDumper::EnumerateThreads()
+         memset(&info, 0, sizeof(ThreadInfo));
+         info.tgid = status->pr_pgrp;
+         info.ppid = status->pr_ppid;
+-#if defined(__mips__)
++#if defined(__powerpc64__)
++        for (int i = 0; i < 31; i++)
++            info.mcontext.gp_regs[i] = status->pr_reg[i];
++#elif defined(__mips__)
+ #if defined(__ANDROID__)
+         for (int i = EF_R0; i <= EF_R31; i++)
+           info.mcontext.gregs[i - EF_R0] = status->pr_reg[i];
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_dumper.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_dumper.cc
+@@ -767,7 +767,9 @@ bool LinuxDumper::GetStackInfo(const voi
+       reinterpret_cast<uint8_t*>(int_stack_pointer & ~(page_size - 1));
+ 
+   // The number of bytes of stack which we try to capture.
+-  static const ptrdiff_t kStackToCapture = 32 * 1024;
++  // This now depends on page_size to avoid missing data
++  // on systems with larger page sizes.
++  static const ptrdiff_t kStackToCapture = 8 * page_size;
+ 
+   const MappingInfo* mapping = FindMapping(stack_pointer);
+   if (!mapping)
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_dumper.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_dumper.h
+@@ -63,7 +63,8 @@ namespace google_breakpad {
+  (defined(__mips__) && _MIPS_SIM == _ABIO32)
+ typedef Elf32_auxv_t elf_aux_entry;
+ #elif defined(__x86_64) || defined(__aarch64__) || \
+-     (defined(__mips__) && _MIPS_SIM != _ABIO32)
++     (defined(__mips__) && _MIPS_SIM != _ABIO32) || \
++     defined(__powerpc64__)
+ typedef Elf64_auxv_t elf_aux_entry;
+ #endif
+ 
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_dumper_unittest_helper.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_dumper_unittest_helper.cc
+@@ -51,6 +51,8 @@
+ #define TID_PTR_REGISTER "rcx"
+ #elif defined(__mips__)
+ #define TID_PTR_REGISTER "$1"
++#elif defined(__powerpc64__)
++#define TID_PTR_REGISTER "r8"
+ #else
+ #error This test has not been ported to this platform.
+ #endif
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_ptrace_dumper.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_ptrace_dumper.cc
+@@ -154,19 +154,27 @@ bool LinuxPtraceDumper::CopyFromProcess(
+   return true;
+ }
+ 
+-bool LinuxPtraceDumper::ReadRegisterSet(ThreadInfo* info, pid_t tid)
+-{
++bool LinuxPtraceDumper::ReadRegisterSet(ThreadInfo* info, pid_t tid) {
+ #ifdef PTRACE_GETREGSET
+   struct iovec io;
+   info->GetGeneralPurposeRegisters(&io.iov_base, &io.iov_len);
+-  if (sys_ptrace(PTRACE_GETREGSET, tid, (void*)NT_PRSTATUS, (void*)&io) == -1) {
++  if (ptrace(PTRACE_GETREGSET, tid, (void*)NT_PRSTATUS, (void*)&io) == -1) {
+     return false;
+   }
+ 
+   info->GetFloatingPointRegisters(&io.iov_base, &io.iov_len);
+-  if (sys_ptrace(PTRACE_GETREGSET, tid, (void*)NT_FPREGSET, (void*)&io) == -1) {
++  if (ptrace(PTRACE_GETREGSET, tid, (void*)NT_FPREGSET, (void*)&io) == -1) {
+     return false;
+   }
++
++#if defined(__powerpc64__)
++  // Grab the vector registers on PPC64 too
++  info->GetVectorRegisters(&io.iov_base, &io.iov_len);
++  if (ptrace(PTRACE_GETREGSET, tid, (void*)NT_PPC_VMX, (void*)&io) == -1) {
++    return false;
++  }
++#endif // defined(__powerpc64__)
++
+   return true;
+ #else
+   return false;
+@@ -303,6 +311,9 @@ bool LinuxPtraceDumper::GetThreadInfoByI
+ #elif defined(__mips__)
+   stack_pointer =
+       reinterpret_cast<uint8_t*>(info->mcontext.gregs[MD_CONTEXT_MIPS_REG_SP]);
++#elif defined(__powerpc64__)
++  stack_pointer =
++      reinterpret_cast<uint8_t*>(info->mcontext.gp_regs[MD_CONTEXT_PPC64_REG_SP]);
+ #else
+ #error "This code hasn't been ported to your platform yet."
+ #endif
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_ptrace_dumper_unittest.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/minidump_writer/linux_ptrace_dumper_unittest.cc
+@@ -464,6 +464,9 @@ TEST(LinuxPtraceDumperTest, VerifyStackR
+ #elif defined(__mips__)
+     pid_t* process_tid_location =
+         reinterpret_cast<pid_t*>(one_thread.mcontext.gregs[1]);
++#elif defined(__powerpc64__)
++    pid_t* process_tid_location =
++        reinterpret_cast<pid_t*>(one_thread.mcontext.gp_regs[8]);
+ #else
+ #error This test has not been ported to this platform.
+ #endif
+@@ -561,6 +564,8 @@ TEST_F(LinuxPtraceDumperTest, SanitizeSt
+   uintptr_t heap_addr = thread_info.regs.rcx;
+ #elif defined(__mips__)
+   uintptr_t heap_addr = thread_info.mcontext.gregs[1];
++#elif defined(__powerpc64__)
++  uintptr_t heap_addr = thread_info.mcontext.gp_regs[8];
+ #else
+ #error This test has not been ported to this platform.
+ #endif
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/minidump_writer/minidump_writer.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/minidump_writer/minidump_writer.cc
+@@ -136,7 +136,9 @@ class MinidumpWriter {
+       : fd_(minidump_fd),
+         path_(minidump_path),
+         ucontext_(context ? &context->context : NULL),
+-#if !defined(__ARM_EABI__) && !defined(__mips__)
++#if defined(__powerpc64__)
++        vector_state_(context ? &context->vector_state : NULL),
++#elif !defined(__ARM_EABI__) && !defined(__mips__)
+         float_state_(context ? &context->float_state : NULL),
+ #endif
+         dumper_(dumper),
+@@ -468,7 +470,9 @@ class MinidumpWriter {
+         if (!cpu.Allocate())
+           return false;
+         my_memset(cpu.get(), 0, sizeof(RawContextCPU));
+-#if !defined(__ARM_EABI__) && !defined(__mips__)
++#if defined(__powerpc64__)
++        UContextReader::FillCPUContext(cpu.get(), ucontext_, vector_state_);
++#elif !defined(__ARM_EABI__) && !defined(__mips__)
+         UContextReader::FillCPUContext(cpu.get(), ucontext_, float_state_);
+ #else
+         UContextReader::FillCPUContext(cpu.get(), ucontext_);
+@@ -897,7 +901,7 @@ class MinidumpWriter {
+     dirent->location.rva = 0;
+   }
+ 
+-#if defined(__i386__) || defined(__x86_64__) || defined(__mips__)
++#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || defined(__powerpc64__)
+   bool WriteCPUInformation(MDRawSystemInfo* sys_info) {
+     char vendor_id[sizeof(sys_info->cpu.x86_cpu_info.vendor_id) + 1] = {0};
+     static const char vendor_id_name[] = "vendor_id";
+@@ -917,7 +921,9 @@ class MinidumpWriter {
+ 
+     // processor_architecture should always be set, do this first
+     sys_info->processor_architecture =
+-#if defined(__mips__)
++#if defined(__powerpc64__)
++        MD_CPU_ARCHITECTURE_PPC64;
++#elif defined(__mips__)
+ # if _MIPS_SIM == _ABIO32
+         MD_CPU_ARCHITECTURE_MIPS;
+ # elif _MIPS_SIM == _ABI64
+@@ -1333,7 +1339,9 @@ class MinidumpWriter {
+   const char* path_;  // Path to the file where the minidum should be written.
+ 
+   const ucontext_t* const ucontext_;  // also from the signal handler
+-#if !defined(__ARM_EABI__) && !defined(__mips__)
++#if defined(__powerpc64__)
++  const google_breakpad::vstate_t* const vector_state_;
++#elif !defined(__ARM_EABI__) && !defined(__mips__)
+   const google_breakpad::fpstate_t* const float_state_;  // ditto
+ #endif
+   LinuxDumper* dumper_;
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/minidump_writer/minidump_writer.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/minidump_writer/minidump_writer.h
+@@ -48,6 +48,8 @@ class ExceptionHandler;
+ 
+ #if defined(__aarch64__)
+ typedef struct fpsimd_context fpstate_t;
++#elif defined(__powerpc64__)
++typedef vrregset_t vstate_t;
+ #elif !defined(__ARM_EABI__) && !defined(__mips__)
+ typedef std::remove_pointer<fpregset_t>::type fpstate_t;
+ #endif
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/minidump_writer/minidump_writer_unittest.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/breakpad/breakpad/src/client/linux/minidump_writer/minidump_writer_unittest.cc
+@@ -717,6 +717,9 @@ TEST(MinidumpWriterTest, InvalidStackPoi
+ #elif defined(__mips__)
+   context.context.uc_mcontext.gregs[MD_CONTEXT_MIPS_REG_SP] =
+       invalid_stack_pointer;
++#elif defined(__powerpc64__)
++  context.context.uc_mcontext.gp_regs[MD_CONTEXT_PPC64_REG_SP] =
++      invalid_stack_pointer;
+ #else
+ # error "This code has not been ported to your platform yet."
+ #endif
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/breakpad/breakpad/src/common/linux/memory_mapped_file.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/breakpad/breakpad/src/common/linux/memory_mapped_file.cc
+@@ -65,8 +65,7 @@ bool MemoryMappedFile::Map(const char* p
+   }
+ 
+ #if defined(__x86_64__) || defined(__aarch64__) || \
+-   (defined(__mips__) && _MIPS_SIM == _ABI64)
+-
++   (defined(__mips__) && _MIPS_SIM == _ABI64) || defined(__powerpc64__)
+   struct kernel_stat st;
+   if (sys_fstat(fd, &st) == -1 || st.st_size < 0) {
+ #else
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/breakpad/breakpad/src/common/linux/memory_mapped_file_unittest.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/breakpad/breakpad/src/common/linux/memory_mapped_file_unittest.cc
+@@ -176,9 +176,10 @@ TEST_F(MemoryMappedFileTest, RemapAfterM
+ TEST_F(MemoryMappedFileTest, MapWithOffset) {
+   // Put more data in the test file this time. Offsets can only be
+   // done on page boundaries, so we need a two page file to test this.
+-  const int page_size = 4096;
+-  char data1[2 * page_size];
+-  size_t data1_size = sizeof(data1);
++  const int page_size = getpagesize();
++  char *data1 = static_cast<char*>(malloc(2 * page_size));
++  EXPECT_TRUE(data1 != NULL);
++  size_t data1_size = (2 * page_size);
+   for (size_t i = 0; i < data1_size; ++i) {
+     data1[i] = i & 0x7f;
+   }
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/breakpad/breakpad/src/common/memory_allocator_unittest.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/breakpad/breakpad/src/common/memory_allocator_unittest.cc
+@@ -57,8 +57,9 @@ TEST(PageAllocatorTest, LargeObject) {
+ 
+   EXPECT_EQ(0U, allocator.pages_allocated());
+   uint8_t* p = reinterpret_cast<uint8_t*>(allocator.Alloc(10000));
++  uint64_t expected_pages = 1 + ((10000 - 1) / getpagesize());
+   ASSERT_FALSE(p == NULL);
+-  EXPECT_EQ(3U, allocator.pages_allocated());
++  EXPECT_EQ(expected_pages, allocator.pages_allocated());
+   for (unsigned i = 1; i < 10; ++i) {
+     uint8_t* p = reinterpret_cast<uint8_t*>(allocator.Alloc(i));
+     ASSERT_FALSE(p == NULL);
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/breakpad/breakpad/src/processor/exploitability_linux.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/breakpad/breakpad/src/processor/exploitability_linux.cc
+@@ -202,12 +202,14 @@ bool ExploitabilityLinux::EndedOnIllegal
+   // Check architecture and set architecture variable to corresponding flag
+   // in objdump.
+   switch (context->GetContextCPU()) {
++#if defined(__i386) || defined(__x86_64)
+     case MD_CONTEXT_X86:
+       architecture = "i386";
+       break;
+     case MD_CONTEXT_AMD64:
+       architecture = "i386:x86-64";
+       break;
++#endif
+     default:
+       // Unsupported architecture. Note that ARM architectures are not
+       // supported because objdump does not support ARM.
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/breakpad/breakpad/src/processor/exploitability_unittest.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/breakpad/breakpad/src/processor/exploitability_unittest.cc
+@@ -104,6 +104,8 @@ ExploitabilityFor(const string& filename
+ }
+ 
+ TEST(ExploitabilityTest, TestWindowsEngine) {
++// The following tests are only executable on an x86-class linux machine.
++#if !defined(_WIN32) && (defined(__i386) || defined(__x86_64))
+   ASSERT_EQ(google_breakpad::EXPLOITABILITY_HIGH,
+             ExploitabilityFor("ascii_read_av.dmp"));
+   ASSERT_EQ(google_breakpad::EXPLOITABILITY_HIGH,
+@@ -136,9 +138,12 @@ TEST(ExploitabilityTest, TestWindowsEngi
+             ExploitabilityFor("read_av_clobber_write.dmp"));
+   ASSERT_EQ(google_breakpad::EXPLOITABILITY_LOW,
+             ExploitabilityFor("read_av_conditional.dmp"));
++#endif
+ }
+ 
+ TEST(ExploitabilityTest, TestLinuxEngine) {
++// The following tests are only executable on an x86-class linux machine.
++#if defined(__i386) || defined(__x86_64)
+   ASSERT_EQ(google_breakpad::EXPLOITABILITY_INTERESTING,
+             ExploitabilityFor("linux_null_read_av.dmp"));
+   ASSERT_EQ(google_breakpad::EXPLOITABILITY_HIGH,
+@@ -171,7 +176,8 @@ TEST(ExploitabilityTest, TestLinuxEngine
+             ExploitabilityFor("linux_executable_heap.dmp"));
+   ASSERT_EQ(google_breakpad::EXPLOITABILITY_HIGH,
+             ExploitabilityFor("linux_jmp_to_module_not_exe_region.dmp"));
+-#ifndef _WIN32
++#endif
++#if !defined(_WIN32) && (defined(__i386) || defined(__x86_64))
+   ASSERT_EQ(google_breakpad::EXPLOITABILITY_HIGH,
+             ExploitabilityFor("linux_write_to_nonwritable_module.dmp"));
+   ASSERT_EQ(google_breakpad::EXPLOITABILITY_HIGH,
+@@ -182,10 +188,10 @@ TEST(ExploitabilityTest, TestLinuxEngine
+             ExploitabilityFor("linux_write_to_outside_module_via_math.dmp"));
+   ASSERT_EQ(google_breakpad::EXPLOITABILITY_INTERESTING,
+             ExploitabilityFor("linux_write_to_under_4k.dmp"));
+-#endif  // _WIN32
++#endif  // !defined(_WIN32) && (!defined(__i386) && !defined(__x86_64))
+ }
+ 
+-#ifndef _WIN32
++#if !defined(_WIN32) && (defined(__i386) || defined(__x86_64))
+ TEST(ExploitabilityLinuxUtilsTest, DisassembleBytesTest) {
+   ASSERT_FALSE(ExploitabilityLinuxTest::DisassembleBytes("", NULL, 5, NULL));
+   uint8_t bytes[6] = {0xc7, 0x0, 0x5, 0x0, 0x0, 0x0};
+@@ -301,6 +307,7 @@ TEST(ExploitabilityLinuxUtilsTest, Calcu
+                                                          context,
+                                                          &write_address));
+ }
+-#endif  // _WIN32
++#endif  // !defined(_WIN32) && (defined(__i386) || defined(__x86_64))
++
+ 
+ }  // namespace
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/breakpad/breakpad/src/tools/linux/md2core/minidump-2-core.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/breakpad/breakpad/src/tools/linux/md2core/minidump-2-core.cc
+@@ -77,6 +77,8 @@
+   #define ELF_ARCH  EM_MIPS
+ #elif defined(__aarch64__)
+   #define ELF_ARCH  EM_AARCH64
++#elif defined(__powerpc64__)
++  #define ELF_ARCH  EM_PPC64
+ #endif
+ 
+ #if defined(__arm__)
+@@ -87,6 +89,8 @@ typedef user_regs user_regs_struct;
+ #elif defined (__mips__)
+ // This file-local typedef simplifies the source code.
+ typedef gregset_t user_regs_struct;
++#elif defined(__powerpc64__)
++typedef struct pt_regs user_regs_struct;
+ #endif
+ 
+ using google_breakpad::MDTypeHelper;
+@@ -320,6 +324,9 @@ struct CrashedProcess {
+ #if defined(__aarch64__)
+     user_fpsimd_struct fpregs;
+ #endif
++#if defined(__powerpc64__)
++    mcontext_t mcontext;
++#endif
+     uintptr_t stack_addr;
+     const uint8_t* stack;
+     size_t stack_length;
+@@ -533,6 +540,38 @@ ParseThreadRegisters(CrashedProcess::Thr
+   thread->mcontext.fpc_eir = rawregs->float_save.fir;
+ #endif
+ }
++#elif defined(__powerpc64__)
++static void
++ParseThreadRegisters(CrashedProcess::Thread* thread,
++                     const MinidumpMemoryRange& range) {
++  const MDRawContextPPC64* rawregs = range.GetData<MDRawContextPPC64>(0);
++
++  for (int i = 0; i < MD_CONTEXT_PPC64_GPR_COUNT; i++)
++    thread->mcontext.gp_regs[i] = rawregs->gpr[i];
++
++  thread->mcontext.gp_regs[PT_LNK] = rawregs->lr;
++  thread->mcontext.gp_regs[PT_NIP] = rawregs->srr0;
++  thread->mcontext.gp_regs[PT_MSR] = rawregs->srr1;
++  thread->mcontext.gp_regs[PT_CCR] = rawregs->cr;
++  thread->mcontext.gp_regs[PT_XER] = rawregs->xer;
++  thread->mcontext.gp_regs[PT_CTR] = rawregs->ctr;
++  thread->mcontext.v_regs->vrsave = rawregs->vrsave;
++
++  for (int i = 0; i < MD_FLOATINGSAVEAREA_PPC_FPR_COUNT; i++)
++      thread->mcontext.fp_regs[i] = rawregs->float_save.fpregs[i];
++
++  thread->mcontext.fp_regs[NFPREG-1] = rawregs->float_save.fpscr;
++
++  for (int i = 0; i < MD_VECTORSAVEAREA_PPC_VR_COUNT; i++) {
++      thread->mcontext.v_regs->vrregs[i][0] = rawregs->vector_save.save_vr[i].high >> 32;
++      thread->mcontext.v_regs->vrregs[i][1] = rawregs->vector_save.save_vr[i].high;
++      thread->mcontext.v_regs->vrregs[i][2] = rawregs->vector_save.save_vr[i].low >> 32;
++      thread->mcontext.v_regs->vrregs[i][3] = rawregs->vector_save.save_vr[i].low;
++  }
++
++  thread->mcontext.v_regs->vscr.vscr_word = rawregs->vector_save.save_vscr.low & 0xFFFFFFFF;
++}
++
+ #else
+ #error "This code has not been ported to your platform yet"
+ #endif
+@@ -622,6 +661,12 @@ ParseSystemInfo(const Options& options,
+ # else
+ #  error "This mips ABI is currently not supported (n32)"
+ # endif
++#elif defined(__powerpc64__)
++  if (sysinfo->processor_architecture != MD_CPU_ARCHITECTURE_PPC64) {
++    fprintf(stderr,
++            "This version of minidump-2-core only supports PPC64.\n");
++    exit(1);
++  }
+ #else
+ #error "This code has not been ported to your platform yet"
+ #endif
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/crashpad/crashpad/CONTRIBUTORS
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/crashpad/crashpad/CONTRIBUTORS
+@@ -13,3 +13,4 @@ Mark Mentovai <mark@chromium.org>
+ Robert Sesek <rsesek@chromium.org>
+ Scott Graham <scottmg@chromium.org>
+ Joshua Peraza <jperaza@chromium.org>
++Shawn Anastasio <shawn@anastas.io>
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/crashpad/crashpad/compat/linux/sys/user.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/crashpad/crashpad/compat/linux/sys/user.h
+@@ -15,6 +15,7 @@
+ #ifndef CRASHPAD_COMPAT_LINUX_SYS_USER_H_
+ #define CRASHPAD_COMPAT_LINUX_SYS_USER_H_
+ 
++#include <cstddef>
+ #include_next <sys/user.h>
+ 
+ #include <features.h>
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/crashpad/crashpad/minidump/minidump_context.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/crashpad/crashpad/minidump/minidump_context.h
+@@ -592,6 +592,70 @@ struct MinidumpContextMIPS64 {
+   uint64_t fir;
+ };
+ 
++//! \brief ppc64-specific flags for MinidumpPPC64::context_flags
++//! Based on minidump_cpu_ppc64.h from breakpad
++enum MinidumpContextPPC64Flags : uint32_t {
++  //! \brief Identifies the context as PPC64.
++  kMinidumpContextPPC64 = 0x01000000,
++
++  //! \brief Indicates the validity of general purpose registers.
++  //!
++  //! Registers `r0`-`r31`, `nip`, `msr`, `lr`, etc. are valid.
++  kMinidumpContextPPC64Base = kMinidumpContextPPC64 | 0x00000001,
++
++  //! \brief Indicates the validity of floating point registers.
++  //!
++  //! Registers `fp0`-`fp31`, `fpscr` are valid.
++  kMinidumpContextPPC64Floating = kMinidumpContextPPC64 | 0x00000008,
++
++  //! \brief Indicates the validity of Altivec/VMX registers.
++  //!
++  //! Registers `v0`-`v31`, `vscr`, `vrsave`.
++  kMinidumpContextPPC64Vector = kMinidumpContextPPC64 | 0x00000020,
++
++  //! \brief Indicates the validity of all registers
++  kMinidumpContextPPC64All = kMinidumpContextPPC64Base     |
++                             kMinidumpContextPPC64Floating |
++                             kMinidumpContextPPC64Vector
++};
++
++//! \brief A PPC64 CPU context carried in a minidump file.
++//! Based on minidump_cpu_ppc64.h from breakpad.
++struct MinidumpContextPPC64 {
++  uint64_t context_flags;
++
++  //! \brief General purpose registers.
++  uint64_t nip;
++  uint64_t msr;
++  uint64_t regs[32];
++  uint64_t ccr;
++  uint64_t xer;
++  uint64_t lnk;
++  uint64_t ctr;
++
++  //! \brief Floating point registers.
++  double fpregs[32];
++
++  //! \brief FPU status register.
++  double fpscr;
++
++  //! \brief Altivec/VMX vector registers.
++  struct {
++      //! \brief Vector registers are 128bits.
++      uint128_struct save_vr[32];
++      uint128_struct save_vscr;
++
++      //! \brief Padding included for breakpad compatibiltiy.
++      uint32_t save_pad5[4];
++
++      //! \brief VRSAVE register.
++      uint32_t save_vrsave;
++
++      //! \brief Padding included for breakpad compatibiltiy.
++      uint32_t save_pad6[7];
++  } vregs;
++};
++
+ }  // namespace crashpad
+ 
+ #endif  // CRASHPAD_MINIDUMP_MINIDUMP_CONTEXT_H_
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/crashpad/crashpad/minidump/minidump_context_writer.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/crashpad/crashpad/minidump/minidump_context_writer.cc
+@@ -102,6 +102,13 @@ MinidumpContextWriter::CreateFromSnapsho
+       break;
+     }
+ 
++    case kCPUArchitecturePPC64: {
++      context = std::make_unique<MinidumpContextPPC64Writer>();
++      reinterpret_cast<MinidumpContextPPC64Writer*>(context.get())
++          ->InitalizeFromSnapshot(context_snapshot->ppc64);
++      break;
++    }
++
+     default: {
+       LOG(ERROR) << "unknown context architecture "
+                  << context_snapshot->architecture;
+@@ -453,5 +460,48 @@ size_t MinidumpContextMIPS64Writer::Cont
+   DCHECK_GE(state(), kStateFrozen);
+   return sizeof(context_);
+ }
++
++MinidumpContextPPC64Writer::MinidumpContextPPC64Writer()
++  : MinidumpContextWriter(), context_() {
++    context_.context_flags = kMinidumpContextPPC64;
++}
++
++MinidumpContextPPC64Writer::~MinidumpContextPPC64Writer() = default;
++
++void MinidumpContextPPC64Writer::InitalizeFromSnapshot(
++    const CPUContextPPC64* context_snapshot) {
++  DCHECK_EQ(state(), kStateMutable);
++  DCHECK_EQ(context_.context_flags, kMinidumpContextPPC64);
++
++  context_.context_flags = kMinidumpContextPPC64All;
++
++  memcpy(context_.regs, context_snapshot->regs, sizeof(context_.regs));
++  context_.nip = context_snapshot->nip;
++  context_.msr = context_snapshot->msr;
++  context_.ccr = context_snapshot->ccr;
++  context_.xer = context_snapshot->xer;
++  context_.lnk = context_snapshot->lnk;
++  context_.ctr = context_snapshot->ctr;
++
++  memcpy(context_.fpregs, context_snapshot->fpregs, sizeof(context_.fpregs));
++  context_.fpscr = context_snapshot->fpscr;
++
++  memcpy(context_.vregs.save_vr, context_snapshot->vregs.save_vr,
++         sizeof(context_.vregs.save_vr));
++  memcpy(&context_.vregs.save_vscr, &context_snapshot->vregs.save_vscr,
++         sizeof(context_.vregs.save_vscr));
++  context_.vregs.save_vrsave = context_snapshot->vregs.save_vrsave;
++}
++
++bool MinidumpContextPPC64Writer::WriteObject(
++    FileWriterInterface* file_writer) {
++  DCHECK_EQ(state(), kStateWritable);
++  return file_writer->Write(&context_, sizeof(context_));
++}
++
++size_t MinidumpContextPPC64Writer::ContextSize() const {
++  DCHECK_GE(state(), kStateFrozen);
++  return sizeof(context_);
++}
+ 
+ }  // namespace crashpad
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/crashpad/crashpad/minidump/minidump_context_writer.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/crashpad/crashpad/minidump/minidump_context_writer.h
+@@ -330,6 +330,43 @@ class MinidumpContextMIPS64Writer final
+   MinidumpContextMIPS64 context_;
+ };
+ 
++class MinidumpContextPPC64Writer final : public MinidumpContextWriter {
++ public:
++  MinidumpContextPPC64Writer();
++  ~MinidumpContextPPC64Writer() override;
++
++  //! \brief Initalizes the MinidumpContextPPC64 based on \a context_snapshot.
++  //!
++  //! \param[in] context_snapshot The context snapshot to use as source data.
++  //!
++  //! \note Valid in #kStateMutable. No mutation of context() may be done before
++  //!     calling this method, and it is not normally necessary to alter
++  //!     context() after calling this method.
++  void InitalizeFromSnapshot(const CPUContextPPC64* context_snapshot);
++
++  //! \brief Returns a pointer to the context structure that this object will
++  //!     write.
++  //!
++  //! \attention This returns a non-`const` pointer to this object’s private
++  //!     data so that a caller can populate the context structure directly.
++  //!     This is done because providing setter interfaces to each field in the
++  //!     context structure would be unwieldy and cumbersome. Care must be taken
++  //!     to populate the context structure correctly. The context structure
++  //!     must only be modified while this object is in the #kStateMutable
++  //!     state.
++  MinidumpContextPPC64* context() { return &context_; }
++
++ protected:
++  // MinidumpWritable:
++  bool WriteObject(FileWriterInterface* file_writer) override;
++
++  // MinidumpContextWriter:
++  size_t ContextSize() const override;
++
++ private:
++  MinidumpContextPPC64 context_;
++};
++
+ }  // namespace crashpad
+ 
+ #endif  // CRASHPAD_MINIDUMP_MINIDUMP_CONTEXT_WRITER_H_
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/crashpad/crashpad/minidump/minidump_context_writer_test.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/crashpad/crashpad/minidump/minidump_context_writer_test.cc
+@@ -213,6 +213,21 @@ TEST(MinidumpContextWriter, MIPS64_FromS
+       context, ExpectMinidumpContextMIPS64, kSeed);
+ }
+ 
++TEST(MinidumpContextWriter, PPC64_Zeros) {
++  EmptyContextTest<MinidumpContextPPC64Writer, MinidumpContextPPC64>(
++    ExpectMinidumpContextPPC64);
++}
++
++TEST(MinidumpContextWriter, PPC64_FromSnapshot) {
++  constexpr uint32_t kSeed = 64;
++  CPUContextPPC64 context_ppc64;
++  CPUContext context;
++  context.ppc64 = &context_ppc64;
++  InitializeCPUContextPPC64(&context, kSeed);
++  FromSnapshotTest<MinidumpContextPPC64Writer, MinidumpContextPPC64>(
++      context, ExpectMinidumpContextPPC64, kSeed);
++}
++
+ }  // namespace
+ }  // namespace test
+ }  // namespace crashpad
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/crashpad/crashpad/minidump/minidump_misc_info_writer.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/crashpad/crashpad/minidump/minidump_misc_info_writer.cc
+@@ -135,6 +135,8 @@ std::string MinidumpMiscInfoDebugBuildSt
+   static constexpr char kCPU[] = "mips";
+ #elif defined(ARCH_CPU_MIPS64EL)
+   static constexpr char kCPU[] = "mips64";
++#elif defined(ARCH_CPU_PPC64)
++  static constexpr char kCPU[] = "ppc64";
+ #else
+ #error define kCPU for this CPU
+ #endif
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/crashpad/crashpad/snapshot/capture_memory.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/crashpad/crashpad/snapshot/capture_memory.cc
+@@ -112,6 +112,11 @@ void CaptureMemory::PointedToByContext(c
+   for (size_t i = 0; i < std::size(context.mipsel->regs); ++i) {
+     MaybeCaptureMemoryAround(delegate, context.mipsel->regs[i]);
+   }
++#elif defined(ARCH_CPU_PPC64_FAMILY)
++  MaybeCaptureMemoryAround(delegate, context.ppc64->nip);
++  for (size_t i = 0; i < std::size(context.ppc64->regs); ++i) {
++    MaybeCaptureMemoryAround(delegate, context.ppc64->regs[i]);
++  }
+ #else
+ #error Port.
+ #endif
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/crashpad/crashpad/snapshot/cpu_architecture.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/crashpad/crashpad/snapshot/cpu_architecture.h
+@@ -43,7 +43,10 @@ enum CPUArchitecture {
+   kCPUArchitectureMIPSEL,
+ 
+   //! \brief 64-bit MIPSEL.
+-  kCPUArchitectureMIPS64EL
++  kCPUArchitectureMIPS64EL,
++
++  //! \brief 64-bit PPC64.
++  kCPUArchitecturePPC64
+ };
+ 
+ }  // namespace crashpad
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/crashpad/crashpad/snapshot/cpu_context.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/crashpad/crashpad/snapshot/cpu_context.cc
+@@ -170,6 +170,8 @@ uint64_t CPUContext::InstructionPointer(
+       return arm->pc;
+     case kCPUArchitectureARM64:
+       return arm64->pc;
++    case kCPUArchitecturePPC64:
++      return ppc64->nip;
+     default:
+       NOTREACHED();
+       return ~0ull;
+@@ -186,6 +188,8 @@ uint64_t CPUContext::StackPointer() cons
+       return arm->sp;
+     case kCPUArchitectureARM64:
+       return arm64->sp;
++    case kCPUArchitecturePPC64:
++      return ppc64->regs[1];
+     default:
+       NOTREACHED();
+       return ~0ull;
+@@ -197,6 +201,7 @@ bool CPUContext::Is64Bit() const {
+     case kCPUArchitectureX86_64:
+     case kCPUArchitectureARM64:
+     case kCPUArchitectureMIPS64EL:
++    case kCPUArchitecturePPC64:
+       return true;
+     case kCPUArchitectureX86:
+     case kCPUArchitectureARM:
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/crashpad/crashpad/snapshot/cpu_context.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/crashpad/crashpad/snapshot/cpu_context.h
+@@ -352,6 +352,24 @@ struct CPUContextMIPS64 {
+   uint64_t fir;
+ };
+ 
++//! \brief A context structure carrying PPC64 CPU state.
++struct CPUContextPPC64 {
++  uint64_t nip;
++  uint64_t msr;
++  uint64_t regs[32];
++  uint64_t ccr;
++  uint64_t xer;
++  uint64_t lnk;
++  uint64_t ctr;
++  double fpregs[32];
++  double fpscr;
++  struct {
++    uint128_struct save_vr[32];
++    uint128_struct save_vscr;
++    uint32_t save_vrsave;
++  } vregs;
++};
++
+ //! \brief A context structure capable of carrying the context of any supported
+ //!     CPU architecture.
+ struct CPUContext {
+@@ -382,6 +400,7 @@ struct CPUContext {
+     CPUContextARM64* arm64;
+     CPUContextMIPS* mipsel;
+     CPUContextMIPS64* mips64;
++    CPUContextPPC64* ppc64;
+   };
+ };
+ 
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/crashpad/crashpad/snapshot/linux/cpu_context_linux.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/crashpad/crashpad/snapshot/linux/cpu_context_linux.h
+@@ -15,6 +15,7 @@
+ #ifndef CRASHPAD_SNAPSHOT_LINUX_CPU_CONTEXT_LINUX_H_
+ #define CRASHPAD_SNAPSHOT_LINUX_CPU_CONTEXT_LINUX_H_
+ 
++#include <cstring>
+ #include "build/build_config.h"
+ #include "snapshot/cpu_context.h"
+ #include "snapshot/linux/signal_context.h"
+@@ -174,6 +175,78 @@ void InitializeCPUContextMIPS(
+ 
+ #endif  // ARCH_CPU_MIPS_FAMILY || DOXYGEN
+ 
++#if defined(ARCH_CPU_PPC64_FAMILY) || DOXYGEN
++
++//! \brief Initalizes a CPUContextPPC64 structure from native context
++//!     structures on Linux.
++//!
++//! \param[in] thread_context The native thread context.
++//! \param[in] float_context The native float context.
++//! \param[in] vector_context The native vector context.
++//! \param[out] context The CPUContextPPC64 structure to initalize.
++template <typename Traits>
++void InitializeCPUContextPPC64(
++    const ThreadContext::t64_t& thread_context,
++    const FloatContext::f64_t& float_context,
++    const VectorContext::v64_t& vector_context,
++    typename Traits::CPUContext* context) {
++
++  memcpy(context->regs, thread_context.gpr, sizeof(context->regs));
++  context->nip = thread_context.nip;
++  context->msr = thread_context.msr;
++  context->ccr = thread_context.ccr;
++  context->xer = thread_context.xer;
++  context->lnk = thread_context.lnk;
++  context->ctr = thread_context.ctr;
++
++  memcpy(context->fpregs, float_context.fpregs, sizeof(context->fpregs));
++  context->fpscr = float_context.fpscr;
++
++  for (uint8_t i = 0; i < 32; i++) {
++    context->vregs.save_vr[i] = {
++      (((uint64_t)vector_context.vrregs[i][0]) << 32) |
++        vector_context.vrregs[i][1],
++      (((uint64_t)vector_context.vrregs[i][2]) << 32) |
++        vector_context.vrregs[i][3]
++    };
++  }
++  context->vregs.save_vrsave = vector_context.vrsave;
++  context->vregs.save_vscr = {0, (uint64_t)vector_context.vscr.vscr_word};
++}
++
++template <typename Traits>
++void InitializeCPUContextPPC64(
++    const SignalThreadContext64 &thread_context,
++    const SignalFloatContext64 &float_context,
++    const SignalVectorContext64 &vector_context,
++    typename Traits::CPUContext* context) {
++
++  memcpy(context->regs, thread_context.regs, sizeof(context->regs));
++  context->nip = thread_context.nip;
++  context->msr = thread_context.msr;
++  context->ccr = thread_context.ccr;
++  context->xer = thread_context.xer;
++  context->lnk = thread_context.lnk;
++  context->ctr = thread_context.ctr;
++
++  memcpy(context->fpregs, float_context.regs, sizeof(context->fpregs));
++  context->fpscr = float_context.fpscr;
++
++  for (uint8_t i = 0; i < 32; i++) {
++    context->vregs.save_vr[i] = {
++      (((uint64_t)vector_context.vrregs[i][0]) << 32) |
++        vector_context.vrregs[i][1],
++      (((uint64_t)vector_context.vrregs[i][2]) << 32) |
++        vector_context.vrregs[i][3]
++    };
++  }
++  context->vregs.save_vrsave = vector_context.vrsave;
++  context->vregs.save_vscr = {0, (uint64_t)vector_context.vscr.vscr_word};
++}
++
++
++#endif
++
+ }  // namespace internal
+ }  // namespace crashpad
+ 
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/crashpad/crashpad/snapshot/linux/debug_rendezvous_test.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/crashpad/crashpad/snapshot/linux/debug_rendezvous_test.cc
+@@ -195,6 +195,8 @@ void TestAgainstTarget(PtraceConnection*
+               device == 0 && inode == 0 && mapping_name == "[vdso]";
+ #if defined(ARCH_CPU_X86)
+           static constexpr char kPrefix[] = "linux-gate.so.";
++#elif defined(ARCH_CPU_PPC64)
++          static constexpr char kPrefix[] = "linux-vdso64.so.";
+ #else
+           static constexpr char kPrefix[] = "linux-vdso.so.";
+ #endif
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/crashpad/crashpad/snapshot/linux/exception_snapshot_linux.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/crashpad/crashpad/snapshot/linux/exception_snapshot_linux.cc
+@@ -325,6 +325,69 @@ bool ExceptionSnapshotLinux::ReadContext
+       reader, context_address, context_.mips64);
+ }
+ 
++#elif defined(ARCH_CPU_PPC64_FAMILY)
++
++template <typename Traits>
++static bool ReadContext(ProcessReaderLinux* reader,
++                        LinuxVMAddress context_address,
++                        typename Traits::CPUContext* dest_context) {
++  const ProcessMemory* memory = reader->Memory();
++
++  LinuxVMAddress gp_regs_address = context_address +
++                                   offsetof(UContext, mcontext) +
++                                   offsetof(typename Traits::MContext, gp_regs);
++
++  typename Traits::SignalThreadContext thread_context;
++  if (!memory->Read(gp_regs_address, sizeof(thread_context), &thread_context)) {
++    LOG(ERROR) << "Couldn't read gp_regs!";
++    return false;
++  }
++
++  LinuxVMAddress fp_regs_address = context_address +
++                                   offsetof(UContext, mcontext) +
++                                   offsetof(typename Traits::MContext, fp_regs);
++
++  typename Traits::SignalFloatContext fp_context;
++  if (!memory->Read(fp_regs_address, sizeof(fp_context), &fp_context)) {
++    LOG(ERROR) << "Couldn't read fp_regs!";
++    return false;
++  }
++
++  LinuxVMAddress v_regs_ptr_address = context_address +
++                                  offsetof(UContext, mcontext) +
++                                  offsetof(typename Traits::MContext, vmx_reserve) + 8;
++
++  typename Traits::SignalVectorContext v_context;
++  if (!memory->Read(v_regs_ptr_address, sizeof(v_context), &v_context)) {
++    LOG(ERROR) << "Couldn't read v_regs!";
++    return false;
++  }
++
++  InitializeCPUContextPPC64<ContextTraits64>(thread_context, fp_context,
++                            v_context, dest_context);
++
++  return true;
++}
++
++template<>
++bool ExceptionSnapshotLinux::ReadContext<ContextTraits64>(
++    ProcessReaderLinux* reader,
++    LinuxVMAddress context_address) {
++  context_.architecture = kCPUArchitecturePPC64;
++  context_.ppc64 = &context_union_.ppc64;
++
++  return internal::ReadContext<ContextTraits64>(
++      reader, context_address, context_.ppc64);
++}
++
++template<>
++bool ExceptionSnapshotLinux::ReadContext<ContextTraits32>(
++    ProcessReaderLinux* reader,
++    LinuxVMAddress context_address) {
++  // PPC64 is 64-bit
++  return false;
++}
++
+ #endif  // ARCH_CPU_X86_FAMILY
+ 
+ bool ExceptionSnapshotLinux::Initialize(
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/crashpad/crashpad/snapshot/linux/exception_snapshot_linux.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/crashpad/crashpad/snapshot/linux/exception_snapshot_linux.h
+@@ -89,6 +89,8 @@ class ExceptionSnapshotLinux final : pub
+ #elif defined(ARCH_CPU_MIPS_FAMILY)
+     CPUContextMIPS mipsel;
+     CPUContextMIPS64 mips64;
++#elif defined(ARCH_CPU_PPC64_FAMILY)
++    CPUContextPPC64 ppc64;
+ #endif
+   } context_union_;
+   CPUContext context_;
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/crashpad/crashpad/snapshot/linux/exception_snapshot_linux_test.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/crashpad/crashpad/snapshot/linux/exception_snapshot_linux_test.cc
+@@ -296,7 +296,28 @@ void ExpectContext(const CPUContext& act
+             0);
+ #undef CPU_ARCH_NAME
+ }
++#elif defined(ARCH_CPU_PPC64_FAMILY)
++using NativeCPUContext = ucontext_t;
+ 
++void InitializeContext(NativeCPUContext* context) {
++  for (size_t reg = 0; reg < 32; ++reg) {
++    context->uc_mcontext.gp_regs[reg] = reg;
++  }
++
++  memset(&context->uc_mcontext.fp_regs, 44,
++      sizeof(context->uc_mcontext.fp_regs));
++}
++
++void ExpectContext(const CPUContext& actual, const NativeCPUContext& expected) {
++  EXPECT_EQ(actual.architecture, kCPUArchitecturePPC64);
++
++  for (size_t reg = 0; reg < 32; ++reg) {
++    EXPECT_EQ(actual.ppc64->regs[reg], expected.uc_mcontext.gp_regs[reg]);
++  }
++
++  EXPECT_EQ(memcmp(actual.ppc64->fpregs, expected.uc_mcontext.fp_regs,
++            sizeof(actual.ppc64->fpregs)), 0);
++}
+ #else
+ #error Port.
+ #endif
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/crashpad/crashpad/snapshot/linux/process_reader_linux.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/crashpad/crashpad/snapshot/linux/process_reader_linux.cc
+@@ -108,6 +108,8 @@ void ProcessReaderLinux::Thread::Initial
+ #elif defined(ARCH_CPU_MIPS_FAMILY)
+   stack_pointer = reader->Is64Bit() ? thread_info.thread_context.t64.regs[29]
+                                     : thread_info.thread_context.t32.regs[29];
++#elif defined(ARCH_CPU_PPC64_FAMILY)
++  stack_pointer = thread_info.thread_context.t64.gpr[1];
+ #else
+ #error Port.
+ #endif
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/crashpad/crashpad/snapshot/linux/signal_context.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/crashpad/crashpad/snapshot/linux/signal_context.h
+@@ -422,6 +422,89 @@ static_assert(offsetof(UContext<ContextT
+               "context offset mismatch");
+ #endif
+ 
++#elif defined(ARCH_CPU_PPC64_FAMILY)
++
++struct SignalThreadContext64 {
++  uint64_t regs[32];
++  uint64_t nip;
++  uint64_t msr;
++  uint64_t orig_r3;
++  uint64_t ctr;
++  uint64_t lnk;
++  uint64_t xer;
++  uint64_t ccr;
++  uint64_t softe;
++  uint64_t trap;
++  uint64_t dar;
++  uint64_t dsisr;
++  uint64_t result;
++  uint64_t dscr;
++  uint64_t fpr0[3];
++};
++
++struct SignalFloatContext64 {
++  double regs[32];
++  double fpscr;
++};
++
++struct SignalVectorContext64 {
++  int32_t vrregs[32][4];
++  struct {
++    int32_t __pad[3];
++    int32_t vscr_word;
++  } vscr;
++  int32_t vrsave;
++  int32_t __pad[3];
++} __attribute__((__aligned__(16)));
++
++
++#pragma pack(pop)
++struct MContext64 {
++  uint64_t reserved[4];
++  int32_t signal;
++  int32_t __pad0;
++  uint64_t handler;
++  uint64_t oldmask;
++  uint64_t pt_regs_ptr;
++  SignalThreadContext64 gp_regs;
++  SignalFloatContext64  fp_regs;
++  SignalVectorContext64 *v_regs;
++  int64_t vmx_reserve[69];
++};
++
++struct ContextTraits64 : public Traits64 {
++  using MContext = MContext64;
++  using SignalThreadContext = SignalThreadContext64;
++  using SignalFloatContext = SignalFloatContext64;
++  using SignalVectorContext = SignalVectorContext64;
++  using CPUContext = CPUContextPPC64;
++};
++
++struct ContextTraits32 : public Traits32 {};
++
++struct UContext {
++  uint64_t flags;
++  uint64_t link;
++  SignalStack<ContextTraits64> stack;
++  Sigset<ContextTraits64> sigmask;
++  MContext64 mcontext;
++};
++#pragma pack(push, 1)
++
++static_assert(sizeof(UContext) == sizeof(ucontext_t),
++              "ucontext_t size mismatch");
++static_assert(sizeof(MContext64) == sizeof(mcontext_t),
++              "mcontext_t size mismatch");
++static_assert(sizeof(SignalThreadContext64) == sizeof(gregset_t),
++              "gregset_t size mismatch");
++static_assert(sizeof(SignalFloatContext64) == sizeof(fpregset_t),
++              "fpregset_t size mismatch");
++static_assert(sizeof(SignalVectorContext64) == sizeof(vrregset_t),
++              "vrregset_t size mismatch");
++static_assert(offsetof(UContext, mcontext) ==
++              offsetof(ucontext_t, uc_mcontext), "mcontext offset mismatch");
++static_assert(offsetof(MContext64, gp_regs) ==
++              offsetof(mcontext_t, gp_regs), "gp_regs offset mismatch");
+ #else
+ #error Port.
+ #endif  // ARCH_CPU_X86_FAMILY
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/crashpad/crashpad/snapshot/linux/system_snapshot_linux.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/crashpad/crashpad/snapshot/linux/system_snapshot_linux.cc
+@@ -205,6 +205,8 @@ CPUArchitecture SystemSnapshotLinux::Get
+ #elif defined(ARCH_CPU_MIPS_FAMILY)
+   return process_reader_->Is64Bit() ? kCPUArchitectureMIPS64EL
+                                     : kCPUArchitectureMIPSEL;
++#elif defined(ARCH_CPU_PPC64_FAMILY)
++  return kCPUArchitecturePPC64;
+ #else
+ #error port to your architecture
+ #endif
+@@ -220,6 +222,9 @@ uint32_t SystemSnapshotLinux::CPURevisio
+ #elif defined(ARCH_CPU_MIPS_FAMILY)
+   // Not implementable on MIPS
+   return 0;
++#elif defined(ARCH_CPU_PPC64_FAMILY)
++  // Not yet implemented on PPC64
++  return 0;
+ #else
+ #error port to your architecture
+ #endif
+@@ -240,6 +245,9 @@ std::string SystemSnapshotLinux::CPUVend
+ #elif defined(ARCH_CPU_MIPS_FAMILY)
+   // Not implementable on MIPS
+   return std::string();
++#elif defined(ARCH_CPU_PPC64_FAMILY)
++  // Not yet implemented on PPC64
++  return std::string();
+ #else
+ #error port to your architecture
+ #endif
+@@ -373,6 +381,9 @@ bool SystemSnapshotLinux::NXEnabled() co
+ #elif defined(ARCH_CPU_MIPS_FAMILY)
+   // Not implementable on MIPS
+   return false;
++#elif defined(ARCH_CPU_PPC64_FAMILY)
++  // Not yet implemented on PPC64
++  return false;
+ #else
+ #error Port.
+ #endif  // ARCH_CPU_X86_FAMILY
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/crashpad/crashpad/snapshot/linux/test_modules.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/crashpad/crashpad/snapshot/linux/test_modules.cc
+@@ -110,6 +110,8 @@ bool WriteTestModule(const base::FilePat
+   module.ehdr.e_machine = EM_AARCH64;
+ #elif defined(ARCH_CPU_MIPSEL) || defined(ARCH_CPU_MIPS64EL)
+   module.ehdr.e_machine = EM_MIPS;
++#elif defined(ARCH_CPU_PPC64)
++  module.ehdr.e_machine = EM_PPC64;
+ #endif
+ 
+   module.ehdr.e_version = EV_CURRENT;
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/crashpad/crashpad/snapshot/linux/thread_snapshot_linux.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/crashpad/crashpad/snapshot/linux/thread_snapshot_linux.cc
+@@ -189,6 +189,14 @@ bool ThreadSnapshotLinux::Initialize(
+         thread.thread_info.float_context.f32,
+         context_.mipsel);
+   }
++#elif defined(ARCH_CPU_PPC64_FAMILY)
++  context_.architecture = kCPUArchitecturePPC64;
++  context_.ppc64 = &context_union_.ppc64;
++  InitializeCPUContextPPC64<ContextTraits64>(
++      thread.thread_info.thread_context.t64,
++      thread.thread_info.float_context.f64,
++      thread.thread_info.vector_context.v64,
++      context_.ppc64);
+ #else
+ #error Port.
+ #endif
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/crashpad/crashpad/snapshot/linux/thread_snapshot_linux.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/crashpad/crashpad/snapshot/linux/thread_snapshot_linux.h
+@@ -73,6 +73,8 @@ class ThreadSnapshotLinux final : public
+ #elif defined(ARCH_CPU_MIPS_FAMILY)
+     CPUContextMIPS mipsel;
+     CPUContextMIPS64 mips64;
++#elif defined(ARCH_CPU_PPC64_FAMILY)
++    CPUContextPPC64 ppc64;
+ #else
+ #error Port.
+ #endif  // ARCH_CPU_X86_FAMILY
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/crashpad/crashpad/util/net/http_transport_libcurl.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/crashpad/crashpad/util/net/http_transport_libcurl.cc
+@@ -237,6 +237,12 @@ std::string UserAgent() {
+ #elif defined(ARCH_CPU_BIG_ENDIAN)
+     static constexpr char arch[] = "aarch64_be";
+ #endif
++#elif defined(__powerpc64__)
++#if defined(ARCH_CPU_LITTLE_ENDIAN)
++    static constexpr char arch[] = "ppc64le";
++#elif defined(ARCH_CPU_BIG_ENDIAN)
++    static constexpr char arch[] = "ppc64";
++#endif
+ #else
+ #error Port
+ #endif
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/crashpad/crashpad/util/linux/auxiliary_vector.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/crashpad/crashpad/util/linux/auxiliary_vector.cc
+@@ -56,6 +56,11 @@ bool AuxiliaryVector::Read(PtraceConnect
+     if (type == AT_IGNORE) {
+       continue;
+     }
++#if defined(ARCH_CPU_PPC64_FAMILY)
++    if (type == AT_IGNOREPPC) {
++      continue;
++    }
++#endif
+     if (!MapInsertOrReplace(&values_, type, value, nullptr)) {
+       LOG(ERROR) << "duplicate auxv entry";
+       return false;
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/crashpad/crashpad/util/linux/ptracer.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/crashpad/crashpad/util/linux/ptracer.cc
+@@ -398,6 +398,64 @@ bool GetThreadArea64(pid_t tid,
+   return true;
+ }
+ 
++#elif defined(ARCH_CPU_PPC64_FAMILY)
++// PPC64 has had HAVE_ARCH_TRACEHOOK set since 2.6.27 (even before x86 had it).
++// That means we can simply use PTRACE_GETREGESET.
++
++template <typename Destination>
++bool GetRegisterSet(pid_t tid, int set, Destination* dest, bool can_log) {
++  iovec iov;
++  iov.iov_base = reinterpret_cast<void*>(dest);
++  iov.iov_len = sizeof(*dest);
++  if (ptrace(PTRACE_GETREGSET, tid, reinterpret_cast<void*>(set), &iov) != 0) {
++    PLOG_IF(ERROR, can_log) << "ptrace";
++    return false;
++  }
++  if (iov.iov_len != sizeof(*dest)) {
++    LOG_IF(ERROR, can_log) << "Unexpected registers size";
++    return false;
++  }
++  return true;
++}
++
++bool GetVectorRegisters64(pid_t tid,
++                          VectorContext* context,
++                          bool can_log) {
++  return GetRegisterSet(tid, NT_PPC_VMX, &context->v64, can_log);
++}
++
++bool GetFloatingPointRegisters64(pid_t tid,
++                                 FloatContext* context,
++                                 bool can_log) {
++  return GetRegisterSet(tid, NT_PRFPREG, &context->f64, can_log);
++}
++
++bool GetThreadArea64(pid_t tid,
++                     const ThreadContext& context,
++                     LinuxVMAddress* address,
++                     bool can_log) {
++  // PPC64 doesn't have PTRACE_GET_THREAD_AREA since the thread pointer
++  // is stored in GPR 13.
++  ThreadContext::t64_t tc;
++  if (!GetRegisterSet(tid, NT_PRSTATUS, &tc, can_log)) {
++    LOG_IF(ERROR, can_log) << "Unable to get thread pointer!";
++    return false;
++  }
++
++  *address = tc.gpr[13];
++
++  return true;
++}
++
++// Stubs for 32-bit functions not applicable on PPC64
++bool GetFloatingPointRegisters32(pid_t tid,
++                                 FloatContext* context,
++                                 bool can_log) { return false; }
++bool GetThreadArea32(pid_t tid,
++                     const ThreadContext &context,
++                     LinuxVMAddress *address,
++                     bool can_log) { return false; }
++
+ #else
+ #error Port.
+ #endif  // ARCH_CPU_X86_FAMILY
+@@ -494,6 +552,9 @@ bool Ptracer::GetThreadInfo(pid_t tid, T
+   if (is_64_bit_) {
+     return GetGeneralPurposeRegisters64(tid, &info->thread_context, can_log_) &&
+            GetFloatingPointRegisters64(tid, &info->float_context, can_log_) &&
++#if defined(ARCH_CPU_PPC64_FAMILY)
++           GetVectorRegisters64(tid, &info->vector_context, can_log_) &&
++#endif
+            GetThreadArea64(tid,
+                            info->thread_context,
+                            &info->thread_specific_data_address,
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/crashpad/crashpad/util/linux/thread_info.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/crashpad/crashpad/util/linux/thread_info.h
+@@ -39,6 +39,10 @@ struct user_vfp_exc {
+ #include <android/api-level.h>
+ #endif
+ 
++#if defined(ARCH_CPU_PPC64_FAMILY)
++#include <sys/ucontext.h>
++#endif
++
+ namespace crashpad {
+ 
+ //! \brief The set of general purpose registers for an architecture family.
+@@ -90,6 +94,8 @@ union ThreadContext {
+     uint32_t cp0_status;
+     uint32_t cp0_cause;
+     uint32_t padding1_;
++#elif defined(ARCH_CPU_PPC64_FAMILY)
++    // PPC64 is 64-bit
+ #else
+ #error Port.
+ #endif  // ARCH_CPU_X86_FAMILY
+@@ -143,6 +149,21 @@ union ThreadContext {
+     uint64_t cp0_badvaddr;
+     uint64_t cp0_status;
+     uint64_t cp0_cause;
++#elif defined(ARCH_CPU_PPC64_FAMILY)
++    // Reflects struct pt_regs in asm/ptrace.h.
++    uint64_t gpr[32];
++    uint64_t nip;
++    uint64_t msr;
++    uint64_t orig_gpr3;
++    uint64_t ctr;
++    uint64_t lnk;
++    uint64_t xer;
++    uint64_t ccr;
++    uint64_t softe;
++    uint64_t trap;
++    uint64_t dar;
++    uint64_t dsisr;
++    uint64_t result;
+ #else
+ #error Port.
+ #endif  // ARCH_CPU_X86_FAMILY
+@@ -154,6 +175,8 @@ union ThreadContext {
+   using NativeThreadContext = user_regs;
+ #elif defined(ARCH_CPU_MIPS_FAMILY)
+ // No appropriate NativeThreadsContext type available for MIPS
++#elif defined(ARCH_CPU_PPC64_FAMILY)
++  using NativeThreadContext = struct pt_regs;
+ #else
+ #error Port.
+ #endif  // ARCH_CPU_X86_FAMILY || ARCH_CPU_ARM64
+@@ -229,6 +252,9 @@ union FloatContext {
+     } fpregs[32];
+     uint32_t fpcsr;
+     uint32_t fpu_id;
++#elif defined(ARCH_CPU_PPC64_FAMILY)
++    // Crashpad's PPC support is 64-bit only, so this
++    // 32bit-only struct is declared as empty.
+ #else
+ #error Port.
+ #endif  // ARCH_CPU_X86_FAMILY
+@@ -263,6 +289,10 @@ union FloatContext {
+     double fpregs[32];
+     uint32_t fpcsr;
+     uint32_t fpu_id;
++#elif defined(ARCH_CPU_PPC64_FAMILY)
++    // Reflects fpregset_t in sys/ucontext.h
++    double fpregs[32];
++    double fpscr;
+ #else
+ #error Port.
+ #endif  // ARCH_CPU_X86_FAMILY
+@@ -292,6 +322,8 @@ union FloatContext {
+   static_assert(sizeof(f64) == sizeof(user_fpsimd_struct), "Size mismatch");
+ #elif defined(ARCH_CPU_MIPS_FAMILY)
+ // No appropriate floating point context native type for available MIPS.
++#elif defined(ARCH_CPU_PPC64_FAMILY)
++  static_assert(sizeof(f64) == sizeof(fpregset_t), "Size mismatch");
+ #else
+ #error Port.
+ #endif  // ARCH_CPU_X86
+@@ -299,6 +331,26 @@ union FloatContext {
+ static_assert(std::is_standard_layout<FloatContext>::value,
+               "Not standard layout");
+ 
++//! \brief The vector registers used for an architecture family
++union VectorContext {
++  struct v32_t {} v32;
++#if defined(ARCH_CPU_PPC64_FAMILY)
++  __attribute__((__aligned__(16))) // Vector context must be doubleword aligned.
++#endif
++  struct v64_t {
++#if defined(ARCH_CPU_PPC64_FAMILY)
++    // Reflects vrregset_t in sys/ucontext.h
++    uint32_t vrregs[32][4];
++    struct {
++      uint32_t __pad[3];
++      uint32_t vscr_word;
++    } vscr;
++    uint32_t vrsave;
++    uint32_t __pad[3];
++#endif
++  } v64;
++};
++
+ //! \brief A collection of `ptrace`-able information about a thread.
+ struct ThreadInfo {
+   ThreadInfo();
+@@ -310,6 +362,9 @@ struct ThreadInfo {
+   //! \brief The floating point registers for the thread.
+   FloatContext float_context;
+ 
++  //! \brief (Optional) The vector registers used for the thread.
++  VectorContext vector_context;
++
+   //! \brief The thread-local storage address for the thread.
+   LinuxVMAddress thread_specific_data_address;
+ };
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/crashpad/crashpad/util/misc/capture_context.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/crashpad/crashpad/util/misc/capture_context.h
+@@ -69,6 +69,7 @@ using NativeCPUContext = ucontext_t;
+ //!     macOS/Linux/Fuchsia | x86_64       | `%%rdi`
+ //!     Linux               | ARM/ARM64    | `r0`/`x0`
+ //!     Linux               | MIPS/MIPS64  | `$a0`
++//!     Linux               | PPC64        | `r3`
+ //!
+ //!     Additionally, the value `LR` on ARM/ARM64 will be the return address of
+ //!     this function.
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/crashpad/crashpad/util/misc/capture_context_linux.S
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/crashpad/crashpad/util/misc/capture_context_linux.S
+@@ -34,7 +34,7 @@
+   .balign 4, 0x0
+   .type CAPTURECONTEXT_SYMBOL, %function
+   .type CAPTURECONTEXT_SYMBOL2, %function
+-#elif defined(__mips__)
++#elif defined(__mips__) || defined(__powerpc64__)
+   .balign 4, 0x0
+ #endif
+ 
+@@ -427,4 +427,214 @@ CAPTURECONTEXT_SYMBOL2:
+   jr $ra
+ 
+   .set at
++#elif defined(__powerpc64__)
++  // Store r0-r31
++  std 0, 0xe8(3)   // context->uc_mcontext.gp_regs[0]
++  std 1, 0xf0(3)   // context->uc_mcontext.gp_regs[1]
++  std 2, 0xf8(3)   // context->uc_mcontext.gp_regs[2]
++  // note that r3's original value was lost
++  std 3, 0x100(3)  // context->uc_mcontext.gp_regs[3]
++  std 4, 0x108(3)  // context->uc_mcontext.gp_regs[4]
++  std 5, 0x110(3)  // context->uc_mcontext.gp_regs[5]
++  std 6, 0x118(3)  // context->uc_mcontext.gp_regs[6]
++  std 7, 0x120(3)  // context->uc_mcontext.gp_regs[7]
++  std 8, 0x128(3)  // context->uc_mcontext.gp_regs[8]
++  std 9, 0x130(3)  // context->uc_mcontext.gp_regs[9]
++  std 10, 0x138(3) // context->uc_mcontext.gp_regs[10]
++  std 11, 0x140(3) // context->uc_mcontext.gp_regs[11]
++  std 12, 0x148(3) // context->uc_mcontext.gp_regs[12]
++  std 13, 0x150(3) // context->uc_mcontext.gp_regs[13]
++  std 14, 0x158(3) // context->uc_mcontext.gp_regs[14]
++  std 15, 0x160(3) // context->uc_mcontext.gp_regs[15]
++  std 16, 0x168(3) // context->uc_mcontext.gp_regs[16]
++  std 17, 0x170(3) // context->uc_mcontext.gp_regs[17]
++  std 18, 0x178(3) // context->uc_mcontext.gp_regs[18]
++  std 19, 0x180(3) // context->uc_mcontext.gp_regs[19]
++  std 20, 0x188(3) // context->uc_mcontext.gp_regs[20]
++  std 21, 0x190(3) // context->uc_mcontext.gp_regs[21]
++  std 22, 0x198(3) // context->uc_mcontext.gp_regs[22]
++  std 23, 0x1a0(3) // context->uc_mcontext.gp_regs[23]
++  std 24, 0x1a8(3) // context->uc_mcontext.gp_regs[24]
++  std 25, 0x1b0(3) // context->uc_mcontext.gp_regs[25]
++  std 26, 0x1b8(3) // context->uc_mcontext.gp_regs[26]
++  std 27, 0x1c0(3) // context->uc_mcontext.gp_regs[27]
++  std 28, 0x1c8(3) // context->uc_mcontext.gp_regs[28]
++  std 29, 0x1d0(3) // context->uc_mcontext.gp_regs[29]
++  std 30, 0x1d8(3) // context->uc_mcontext.gp_regs[30]
++  std 31, 0x1e0(3) // context->uc_mcontext.gp_regs[31]
++
++  // For NIP, we can use the value in the link register
++  mflr 0
++  std 0, 0x1e8(3) // context->uc_mcontext.gp_regs[PT_NIP]
++
++  // CTR
++  mfctr 0
++  std 0, 0x200(3) // context->uc_mcontext.gp_regs[PT_CTR]
++
++  // For LNK, we'll use the caller's LR save area (2 stack frames up).
++  // r4 can be used as a scratch register since it has already been saved.
++  ld 4, 0(1)
++  ld 4, 16(4)
++  std 4, 0x208(3) // context->uc_mcontext.gp_regs[PT_LNK]
++
++  // XER
++  mfxer 0
++  std 0, 0x210(3) // context->uc_mcontext.gp_regs[PT_XER]
++
++  // CCR
++  mfcr 0
++  std 0, 0x218(3) // context->uc_mcontext.gp_regs[PT_CCR]
++
++  // MSR, orig_r3, MQ, TRAP, DAR, DSISR, RESULT, DSCR,
++  // not used or not relevant,  zero them out.
++  li 4, 0
++  std 4, 0x1f0(3) // context->uc_mcontext.gp_regs[PT_MSR]
++  std 4, 0x1f8(3) // context->uc_mcontext.gp_regs[PT_ORIG_R3]
++  std 4, 0x220(3) // context->uc_mcontext.gp_regs[PT_MQ]
++  std 4, 0x228(3) // context->uc_mcontext.gp_regs[PT_TRAP]
++  std 4, 0x230(3) // context->uc_mcontext.gp_regs[PT_DAR]
++  std 4, 0x238(3) // context->uc_mcontext.gp_regs[PT_DSISR]
++  std 4, 0x240(3) // context->uc_mcontext.gp_regs[PT_RESULT]
++  std 4, 0x248(3) // context->uc_mcontext.gp_regs[PT_DSCR]
++
++  // Update context->uc_mcontext.regs to point to gp_regs
++  addi 0, 3, 0xe8
++  std 0, 0xe0(3)
++
++  // Save floating point registers 0-31
++  stfd 0, 0x268(3)  // context->uc_mcontext.fp_regs[0]
++  stfd 1, 0x270(3)  // context->uc_mcontext.fp_regs[1]
++  stfd 2, 0x278(3)  // context->uc_mcontext.fp_regs[2]
++  stfd 3, 0x280(3)  // context->uc_mcontext.fp_regs[3]
++  stfd 4, 0x288(3)  // context->uc_mcontext.fp_regs[4]
++  stfd 5, 0x290(3)  // context->uc_mcontext.fp_regs[5]
++  stfd 6, 0x298(3)  // context->uc_mcontext.fp_regs[6]
++  stfd 7, 0x2a0(3)  // context->uc_mcontext.fp_regs[7]
++  stfd 8, 0x2a8(3)  // context->uc_mcontext.fp_regs[8]
++  stfd 9, 0x2b0(3)  // context->uc_mcontext.fp_regs[9]
++  stfd 10, 0x2b8(3) // context->uc_mcontext.fp_regs[10]
++  stfd 11, 0x2c0(3) // context->uc_mcontext.fp_regs[11]
++  stfd 12, 0x2c8(3) // context->uc_mcontext.fp_regs[12]
++  stfd 13, 0x2d0(3) // context->uc_mcontext.fp_regs[13]
++  stfd 14, 0x2d8(3) // context->uc_mcontext.fp_regs[14]
++  stfd 15, 0x2e0(3) // context->uc_mcontext.fp_regs[15]
++  stfd 16, 0x2e8(3) // context->uc_mcontext.fp_regs[16]
++  stfd 17, 0x2f0(3) // context->uc_mcontext.fp_regs[17]
++  stfd 18, 0x2f8(3) // context->uc_mcontext.fp_regs[18]
++  stfd 19, 0x300(3) // context->uc_mcontext.fp_regs[19]
++  stfd 20, 0x308(3) // context->uc_mcontext.fp_regs[20]
++  stfd 21, 0x310(3) // context->uc_mcontext.fp_regs[21]
++  stfd 22, 0x318(3) // context->uc_mcontext.fp_regs[22]
++  stfd 23, 0x320(3) // context->uc_mcontext.fp_regs[23]
++  stfd 24, 0x328(3) // context->uc_mcontext.fp_regs[24]
++  stfd 25, 0x330(3) // context->uc_mcontext.fp_regs[25]
++  stfd 26, 0x338(3) // context->uc_mcontext.fp_regs[26]
++  stfd 27, 0x340(3) // context->uc_mcontext.fp_regs[27]
++  stfd 28, 0x348(3) // context->uc_mcontext.fp_regs[28]
++  stfd 29, 0x350(3) // context->uc_mcontext.fp_regs[29]
++  stfd 30, 0x358(3) // context->uc_mcontext.fp_regs[30]
++  stfd 31, 0x360(3) // context->uc_mcontext.fp_regs[31]
++
++  // FPSCR
++  mffs 0
++  stfd 0, 0x368(3) // context->uc_mcontext.fp_regs[32]
++
++  // Save VMX Vector registers
++  // Update r4 to contain the base address of vmx_reserve
++  addi 4, 3, 0x378
++  // Ensure that it is quadword aligned
++  andi. 5, 4, 0xF
++  beq 1f // No alignment is necessary
++  // Address is doubleword aligned and not quadword aligned, add 8
++  addi 4, 4, 8
++
++1:
++  // Store VMX registers 0-31
++  // r4 will contain the base address
++  // r5 will contain the index
++  li 5, 0
++  stvx 0, 4, 5   // context->uc_mcontext.vmx_reserve[(align) + 0]
++  addi 5, 5, 16
++  stvx 1, 4, 5   // context->uc_mcontext.vmx_reserve[(align) + 1]
++  addi 5, 5, 16
++  stvx 2, 4, 5   // context->uc_mcontext.vmx_reserve[(align) + 2]
++  addi 5, 5, 16
++  stvx 3, 4, 5   // context->uc_mcontext.vmx_reserve[(align) + 3]
++  addi 5, 5, 16
++  stvx 4, 4, 5   // context->uc_mcontext.vmx_reserve[(align) + 4]
++  addi 5, 5, 16
++  stvx 5, 4, 5   // context->uc_mcontext.vmx_reserve[(align) + 5]
++  addi 5, 5, 16
++  stvx 6, 4, 5   // context->uc_mcontext.vmx_reserve[(align) + 6]
++  addi 5, 5, 16
++  stvx 7, 4, 5   // context->uc_mcontext.vmx_reserve[(align) + 7]
++  addi 5, 5, 16
++  stvx 8, 4, 5   // context->uc_mcontext.vmx_reserve[(align) + 8]
++  addi 5, 5, 16
++  stvx 9, 4, 5   // context->uc_mcontext.vmx_reserve[(align) + 9]
++  addi 5, 5, 16
++  stvx 10, 4, 5  // context->uc_mcontext.vmx_reserve[(align) + 10]
++  addi 5, 5, 16
++  stvx 11, 4, 5  // context->uc_mcontext.vmx_reserve[(align) + 11]
++  addi 5, 5, 16
++  stvx 12, 4, 5  // context->uc_mcontext.vmx_reserve[(align) + 12]
++  addi 5, 5, 16
++  stvx 13, 4, 5  // context->uc_mcontext.vmx_reserve[(align) + 13]
++  addi 5, 5, 16
++  stvx 14, 4, 5  // context->uc_mcontext.vmx_reserve[(align) + 14]
++  addi 5, 5, 16
++  stvx 15, 4, 5  // context->uc_mcontext.vmx_reserve[(align) + 15]
++  addi 5, 5, 16
++  stvx 16, 4, 5  // context->uc_mcontext.vmx_reserve[(align) + 16]
++  addi 5, 5, 16
++  stvx 17, 4, 5  // context->uc_mcontext.vmx_reserve[(align) + 17]
++  addi 5, 5, 16
++  stvx 18, 4, 5  // context->uc_mcontext.vmx_reserve[(align) + 18]
++  addi 5, 5, 16
++  stvx 19, 4, 5  // context->uc_mcontext.vmx_reserve[(align) + 19]
++  addi 5, 5, 16
++  stvx 20, 4, 5  // context->uc_mcontext.vmx_reserve[(align) + 20]
++  addi 5, 5, 16
++  stvx 21, 4, 5  // context->uc_mcontext.vmx_reserve[(align) + 21]
++  addi 5, 5, 16
++  stvx 22, 4, 5  // context->uc_mcontext.vmx_reserve[(align) + 22]
++  addi 5, 5, 16
++  stvx 23, 4, 5  // context->uc_mcontext.vmx_reserve[(align) + 23]
++  addi 5, 5, 16
++  stvx 24, 4, 5  // context->uc_mcontext.vmx_reserve[(align) + 24]
++  addi 5, 5, 16
++  stvx 25, 4, 5  // context->uc_mcontext.vmx_reserve[(align) + 25]
++  addi 5, 5, 16
++  stvx 26, 4, 5  // context->uc_mcontext.vmx_reserve[(align) + 26]
++  addi 5, 5, 16
++  stvx 27, 4, 5  // context->uc_mcontext.vmx_reserve[(align) + 27]
++  addi 5, 5, 16
++  stvx 28, 4, 5  // context->uc_mcontext.vmx_reserve[(align) + 28]
++  addi 5, 5, 16
++  stvx 29, 4, 5  // context->uc_mcontext.vmx_reserve[(align) + 29]
++  addi 5, 5, 16
++  stvx 30, 4, 5  // context->uc_mcontext.vmx_reserve[(align) + 30]
++  addi 5, 5, 16
++  stvx 31, 4, 5  // context->uc_mcontext.vmx_reserve[(align) + 31]
++  addi 5, 5, 16
++
++  // VSCR
++  mfvscr 0
++  stvx 0, 4, 5
++  addi 5, 5, 16
++
++  // VRSAVE
++  mfvrsave 0
++  stwx 0, 4, 5
++
++  // Update context->uc_mcontext.v_regs to point to vmx_reserve + alignment.
++  std 4, 0x370(3)
++
++  // Zero out all unused fields
++  li 4, 0
++  std 4, 0xc8(3) // context->uc_mcontext.signal
++  std 4, 0xd0(3) // context->uc_mcontext.handler
++  std 4, 0xd8(3) // context->uc_mcontext.oldmask
++
++  blr
+ #endif  // __i386__
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/crashpad/crashpad/util/misc/capture_context_test.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/crashpad/crashpad/util/misc/capture_context_test.cc
+@@ -57,7 +57,7 @@ void TestCaptureContext() {
+   uintptr_t pc = ProgramCounterFromContext(context_1);
+ 
+ #if !defined(ADDRESS_SANITIZER) && !defined(ARCH_CPU_MIPS_FAMILY) && \
+-    !defined(MEMORY_SANITIZER)
++    !defined(MEMORY_SANITIZER) && !defined(ARCH_CPU_PPC64_FAMILY)
+   // Sanitizers can cause enough code bloat that the “nearby” check would
+   // likely fail.
+   const uintptr_t kReferencePC =
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/crashpad/crashpad/util/misc/capture_context_test_util_linux.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/crashpad/crashpad/util/misc/capture_context_test_util_linux.cc
+@@ -35,6 +35,8 @@ void SanityCheckContext(const NativeCPUC
+   EXPECT_EQ(context.uc_mcontext.regs[0], FromPointerCast<uintptr_t>(&context));
+ #elif defined(ARCH_CPU_MIPS_FAMILY)
+   EXPECT_EQ(context.uc_mcontext.gregs[4], FromPointerCast<uintptr_t>(&context));
++#elif defined(ARCH_CPU_PPC64_FAMILY)
++  EXPECT_EQ(context.uc_mcontext.gp_regs[3], FromPointerCast<uintptr_t>(&context));
+ #endif
+ }
+ 
+@@ -49,6 +51,8 @@ uintptr_t ProgramCounterFromContext(cons
+   return context.uc_mcontext.pc;
+ #elif defined(ARCH_CPU_MIPS_FAMILY)
+   return context.uc_mcontext.pc;
++#elif defined(ARCH_CPU_PPC64_FAMILY)
++  return context.uc_mcontext.gp_regs[PT_NIP];
+ #endif
+ }
+ 
+@@ -63,6 +67,8 @@ uintptr_t StackPointerFromContext(const
+   return context.uc_mcontext.sp;
+ #elif defined(ARCH_CPU_MIPS_FAMILY)
+   return context.uc_mcontext.gregs[29];
++#elif defined(ARCH_CPU_PPC64_FAMILY)
++  return context.uc_mcontext.gp_regs[1];
+ #endif
+ }
+ 
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/dav1d/BUILD.gn
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/dav1d/BUILD.gn
+@@ -200,6 +200,8 @@ static_library("dav1d_8bit") {
+     sources += arm_template_sources
+   } else if (current_cpu == "arm64") {
+     sources += arm_template_sources
++  } else if (current_cpu == "ppc64") {
++    sources += ppc64_template_sources
+   }
+ 
+   cflags = dav1d_copts
+@@ -230,6 +232,8 @@ static_library("dav1d_10bit") {
+     sources += arm_template_sources
+   } else if (current_cpu == "arm64") {
+     sources += arm_template_sources
++  } else if (current_cpu == "ppc64") {
++    sources += ppc64_template_sources
+   }
+ 
+   cflags = dav1d_copts
+@@ -289,6 +293,21 @@ if (current_cpu == "x86" || current_cpu
+     }
+ 
+     cflags = dav1d_copts
++  }
++} else if (current_cpu == "ppc64") {
++  static_library("dav1d_ppc") {
++    sources = [
++      "libdav1d/src/ppc/cpu.c",
++      "libdav1d/src/ppc/cpu.h",
++    ]
++
++    configs -= [ "//build/config/compiler:chromium_code" ]
++    configs += [
++      "//build/config/compiler:no_chromium_code",
++      ":dav1d_config",
++    ]
++
++    cflags = dav1d_copts
+ 
+     deps = [ ":dav1d_headers" ]
+     allow_circular_includes_from = [ ":dav1d_headers" ]
+@@ -321,5 +340,7 @@ static_library("dav1d") {
+     }
+   } else if (current_cpu == "arm" || current_cpu == "arm64") {
+     deps += [ ":dav1d_arm" ]
++  } else if (current_cpu == "ppc64") {
++    deps += [ ":dav1d_ppc" ]
+   }
+ }
+--- /dev/null
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/dav1d/config/linux/ppc64/config.h
+@@ -0,0 +1,39 @@
++/*
++ * Autogenerated by the Meson build system.
++ * Do not edit, your changes will be lost.
++ */
++
++#pragma once
++
++#define ARCH_AARCH64 0
++
++#define ARCH_ARM 0
++
++#define ARCH_PPC64LE 1
++
++#define ARCH_X86 0
++
++#define ARCH_X86_32 0
++
++#define ARCH_X86_64 0
++
++#define CONFIG_16BPC 1
++
++#define CONFIG_8BPC 1
++
++// #define CONFIG_LOG 1 -- Logging is controlled by Chromium
++
++#define ENDIANNESS_BIG 0
++
++#define HAVE_ASM 1
++
++#define HAVE_CLOCK_GETTIME 1
++
++#define HAVE_DLSYM 1
++
++#define HAVE_GETAUXVAL 1
++
++#define HAVE_POSIX_MEMALIGN 1
++
++#define HAVE_UNISTD_H 1
++
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/dav1d/dav1d_generated.gni
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/dav1d/dav1d_generated.gni
+@@ -109,6 +109,11 @@ arm_template_sources = [
+   "libdav1d/src/arm/mc_init_tmpl.c",
+ ]
+ 
++ppc64_template_sources = [
++  "libdav1d/src/ppc/cdef_init_tmpl.c",
++  "libdav1d/src/ppc/looprestoration_init_tmpl.c",
++]
++
+ template_sources = [
+   "libdav1d/src/cdef_apply_tmpl.c",
+   "libdav1d/src/cdef_tmpl.c",
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/dav1d/generate_source.py
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/dav1d/generate_source.py
+@@ -61,6 +61,8 @@ def _WriteGn(fd):
+         _Glob("libdav1d/src/arm/64/*_tmpl.S") + ["libdav1d/src/arm/64/util.S"])
+     _WriteArray(fd, "arm_template_sources", _Glob("libdav1d/src/arm/*_tmpl.c"))
+ 
++    _WriteArray(fd, "ppc64_template_sources", _Glob("libdav1d/src/ppc/*_tmpl.c"))
++
+     template_sources = _Glob("libdav1d/src/*_tmpl.c")
+     _WriteArray(fd, "template_sources", template_sources)
+ 
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/dav1d/libdav1d/src/ppc/dav1d_types.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/dav1d/libdav1d/src/ppc/dav1d_types.h
+@@ -51,4 +51,19 @@
+ #define u16l_to_i32(v) ((i32x4) vec_mergel((u16x8) v, vec_splat_u16(0)))
+ #define i16l_to_i32(v) ((i32x4) vec_unpackl((i16x8)v))
+ 
++#if defined(__clang__)
++#undef vec_splats
++#define vec_splats(N)                     \
++    _Generic((N),                         \
++        unsigned char:      ((u8x16)(N)), \
++        signed char:        ((i8x16)(N)), \
++        unsigned short:     ((u16x8)(N)), \
++        signed short:       ((i16x8)(N)), \
++        unsigned int:       ((u32x4)(N)), \
++        signed int:         ((i32x4)(N)), \
++        unsigned long long: ((u64x2)(N)), \
++        signed long long:   ((i64x2)(N))  \
++    )
++#endif
++
+ #endif /* DAV1D_SRC_PPC_TYPES_H */
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/eigen3/BUILD.gn
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/eigen3/BUILD.gn
+@@ -23,4 +23,8 @@ config("eigen_includes") {
+     # for this component on Windows on Arm due to compilation errors.
+     defines += [ "EIGEN_DONT_VECTORIZE" ]
+   }
++
++  if (target_cpu == "ppc64") {
++    defines += [ "EIGEN_DONT_VECTORIZE" ]
++  }
+ }
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/libaom/BUILD.gn
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/libaom/BUILD.gn
+@@ -36,6 +36,8 @@ if (current_cpu == "x86") {
+   } else {
+     cpu_arch_full = "arm"
+   }
++} else if (current_cpu == "ppc64") {
++  cpu_arch_full = "generic"
+ } else {
+   cpu_arch_full = current_cpu
+ }
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/libgav1/options.gni
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/libgav1/options.gni
+@@ -12,5 +12,5 @@ declare_args() {
+       is_chromeos_ash && (target_cpu == "arm" || target_cpu == "arm64")
+   use_libgav1_parser =
+       (is_chromeos || is_linux || is_win) &&
+-      (target_cpu == "x86" || target_cpu == "x64" || target_cpu == "arm64")
++      (target_cpu == "x86" || target_cpu == "x64" || target_cpu == "arm64" || target_cpu == "ppc64")
+ }
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/lss/linux_syscall_support.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/lss/linux_syscall_support.h
+@@ -4250,7 +4250,7 @@ struct kernel_statfs {
+       LSS_REG(2, buf);
+       LSS_BODY(void*, mmap2, "0"(__r2));
+     }
+-#else
++#elif !defined(__powerpc64__) /* ppc64 doesn't have mmap2 */
+     #define __NR__mmap2 __NR_mmap2
+     LSS_INLINE _syscall6(void*, _mmap2,            void*, s,
+                          size_t,                   l, int,               p,
+@@ -4361,7 +4361,7 @@ struct kernel_statfs {
+   #if defined(__i386__) ||                                                    \
+       defined(__ARM_ARCH_3__) || defined(__ARM_EABI__) ||                     \
+      (defined(__mips__) && _MIPS_SIM == _MIPS_SIM_ABI32) ||                   \
+-      defined(__PPC__) ||                                                     \
++     (defined(__PPC__) && !defined(__powerpc64__)) ||                                                     \
+      (defined(__s390__) && !defined(__s390x__))
+     /* On these architectures, implement mmap() with mmap2(). */
+     LSS_INLINE void* LSS_NAME(mmap)(void *s, size_t l, int p, int f, int d,
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/pdfium/third_party/libpng16/pngpriv.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/pdfium/third_party/libpng16/pngpriv.h
+@@ -196,11 +196,7 @@
+ #endif
+ 
+ #ifndef PNG_POWERPC_VSX_OPT
+-#  if defined(__PPC64__) && defined(__ALTIVEC__) && defined(__VSX__)
+-#     define PNG_POWERPC_VSX_OPT 2
+-#  else
+-#     define PNG_POWERPC_VSX_OPT 0
+-#  endif
++#  define PNG_POWERPC_VSX_OPT 0
+ #endif
+ 
+ #ifndef PNG_INTEL_SSE_OPT
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/pffft/src/pffft.c
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/pffft/src/pffft.c
+@@ -100,6 +100,7 @@
+    Altivec support macros 
+ */
+ #if !defined(PFFFT_SIMD_DISABLE) && (defined(__ppc__) || defined(__ppc64__))
++#include <altivec.h>
+ typedef vector float v4sf;
+ #  define SIMD_SZ 4
+ #  define VZERO() ((vector float) vec_splat_u8(0))
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/skia/src/sksl/SkSLString.cpp
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/skia/src/sksl/SkSLString.cpp
+@@ -37,7 +37,12 @@ std::string skstd::to_string(double valu
+     if (needsDotZero) {
+         buffer << ".0";
+     }
+-    return buffer.str();
++
++    std::string ret(buffer.str());
++    if (std::signbit(value) && ret[0] == '.') {
++        ret[0] = '-';
++    }
++    return ret;
+ }
+ 
+ bool SkSL::stod(std::string_view s, SKSL_FLOAT* value) {
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/sqlite/src/amalgamation/sqlite3.c
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/sqlite/src/amalgamation/sqlite3.c
+@@ -14339,7 +14339,8 @@ typedef INT16_TYPE LogEst;
+ # if defined(i386)      || defined(__i386__)      || defined(_M_IX86) ||    \
+      defined(__x86_64)  || defined(__x86_64__)    || defined(_M_X64)  ||    \
+      defined(_M_AMD64)  || defined(_M_ARM)        || defined(__x86)   ||    \
+-     defined(__ARMEL__) || defined(__AARCH64EL__) || defined(_M_ARM64)
++     defined(__ARMEL__) || defined(__AARCH64EL__) || defined(_M_ARM64) ||   \
++     defined(__powerpc64__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
+ #   define SQLITE_BYTEORDER    1234
+ # elif defined(sparc)     || defined(__ppc__) || \
+        defined(__ARMEB__) || defined(__AARCH64EB__)
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/sqlite/src/amalgamation_dev/sqlite3.c
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/sqlite/src/amalgamation_dev/sqlite3.c
+@@ -14352,7 +14352,8 @@ typedef INT16_TYPE LogEst;
+ # if defined(i386)      || defined(__i386__)      || defined(_M_IX86) ||    \
+      defined(__x86_64)  || defined(__x86_64__)    || defined(_M_X64)  ||    \
+      defined(_M_AMD64)  || defined(_M_ARM)        || defined(__x86)   ||    \
+-     defined(__ARMEL__) || defined(__AARCH64EL__) || defined(_M_ARM64)
++     defined(__ARMEL__) || defined(__AARCH64EL__) || defined(_M_ARM64) ||   \
++     defined(__powerpc64__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
+ #   define SQLITE_BYTEORDER    1234
+ # elif defined(sparc)     || defined(__ppc__) || \
+        defined(__ARMEB__) || defined(__AARCH64EB__)
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/sqlite/src/ext/rtree/rtree.c
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/sqlite/src/ext/rtree/rtree.c
+@@ -474,7 +474,7 @@ struct RtreeMatchArg {
+ #if defined(i386)     || defined(__i386__)   || defined(_M_IX86) ||    \
+     defined(__x86_64) || defined(__x86_64__) || defined(_M_X64)  ||    \
+     defined(_M_AMD64) || defined(_M_ARM)     || defined(__x86)   ||    \
+-    defined(__arm__)
++    defined(__arm__) || defined(__powerpc64__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
+ # define SQLITE_BYTEORDER    1234
+ #elif defined(sparc)    || defined(__ppc__)
+ # define SQLITE_BYTEORDER    4321
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/sqlite/src/src/sqliteInt.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/sqlite/src/src/sqliteInt.h
+@@ -904,7 +904,8 @@ typedef INT16_TYPE LogEst;
+ # if defined(i386)      || defined(__i386__)      || defined(_M_IX86) ||    \
+      defined(__x86_64)  || defined(__x86_64__)    || defined(_M_X64)  ||    \
+      defined(_M_AMD64)  || defined(_M_ARM)        || defined(__x86)   ||    \
+-     defined(__ARMEL__) || defined(__AARCH64EL__) || defined(_M_ARM64)
++     defined(__ARMEL__) || defined(__AARCH64EL__) || defined(_M_ARM64) || \
++     defined(__powerpc64__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
+ #   define SQLITE_BYTEORDER    1234
+ # elif defined(sparc)     || defined(__ppc__) || \
+        defined(__ARMEB__) || defined(__AARCH64EB__)
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/webrtc/modules/desktop_capture/differ_block.cc
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/webrtc/modules/desktop_capture/differ_block.cc
+@@ -30,11 +30,7 @@ bool VectorDifference(const uint8_t* ima
+   static bool (*diff_proc)(const uint8_t*, const uint8_t*) = nullptr;
+ 
+   if (!diff_proc) {
+-#if defined(WEBRTC_ARCH_ARM_FAMILY) || defined(WEBRTC_ARCH_MIPS_FAMILY)
+-    // For ARM and MIPS processors, always use C version.
+-    // TODO(hclam): Implement a NEON version.
+-    diff_proc = &VectorDifference_C;
+-#else
++#if defined(WEBRTC_ARCH_X86_FAMILY)
+     bool have_sse2 = GetCPUInfo(kSSE2) != 0;
+     // For x86 processors, check if SSE2 is supported.
+     if (have_sse2 && kBlockSize == 32) {
+@@ -44,6 +40,10 @@ bool VectorDifference(const uint8_t* ima
+     } else {
+       diff_proc = &VectorDifference_C;
+     }
++#else
++    // For other processors, always use C version.
++    // TODO(hclam): Implement a NEON version.
++    diff_proc = &VectorDifference_C;
+ #endif
+   }
+ 
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/webrtc/rtc_base/system/arch.h
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/webrtc/rtc_base/system/arch.h
+@@ -79,6 +79,18 @@
+ #elif defined(__EMSCRIPTEN__)
+ #define WEBRTC_ARCH_32_BITS
+ #define WEBRTC_ARCH_LITTLE_ENDIAN
++#elif defined(__PPC__)
++#define WEBRTC_ARCH_PPC_FAMILY
++#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
++#define WEBRTC_ARCH_LITTLE_ENDIAN
++#else
++#define WEBRTC_ARCH_BIG_ENDIAN
++#endif
++#if defined(__LP64__)
++#define WEBRTC_ARCH_64_BITS
++#else
++#define WEBRTC_ARCH_32_BITS
++#endif
+ #else
+ #error Please add support for your architecture in rtc_base/system/arch.h
+ #endif
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/v8/BUILD.gn
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/v8/BUILD.gn
+@@ -1158,6 +1158,12 @@ config("toolchain") {
+     }
+     if (host_byteorder == "little") {
+       defines += [ "V8_TARGET_ARCH_PPC_LE" ]
++      cflags += [
++        # Enable usage of AltiVec, VSX, and other POWER8 and higher features
++        "-mcpu=power8",
++        "-maltivec",
++        "-mvsx",
++      ]
+     } else if (host_byteorder == "big") {
+       defines += [ "V8_TARGET_ARCH_PPC_BE" ]
+       if (current_os == "aix") {
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/ui/gl/features.gni
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/ui/gl/features.gni
+@@ -31,5 +31,6 @@ declare_args() {
+                         (is_mac && use_egl) || is_chromeos_ash || is_fuchsia) &&
+                        (target_cpu == "x86" || target_cpu == "x64" ||
+                         target_cpu == "arm" || target_cpu == "arm64" ||
+-                        target_cpu == "mipsel" || target_cpu == "mips64el")
++                        target_cpu == "mipsel" || target_cpu == "mips64el" ||
++                        target_cpu == "ppc64")
+ }
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/v8/test/BUILD.gn
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/v8/test/BUILD.gn
+@@ -42,7 +42,7 @@ group("gn_all") {
+       "benchmarks/cpp:gn_all",
+       "cctest:cctest",
+       "cctest:generate-bytecode-expectations",
+-      "unittests:unittests",
++      #"unittests:unittests",
+     ]
+   }
+ }
+@@ -84,7 +84,7 @@ group("v8_bot_default") {
+     "message:v8_message",
+     "mjsunit:v8_mjsunit",
+     "mkgrokdump:mkgrokdump",
+-    "unittests:unittests",
++    #"unittests:unittests",
+     "webkit:v8_webkit",
+   ]
+ 
+@@ -109,7 +109,7 @@ group("v8_default") {
+     "message:v8_message",
+     "mjsunit:v8_mjsunit",
+     "mkgrokdump:mkgrokdump",
+-    "unittests:unittests",
++    #"unittests:unittests",
+   ]
+ 
+   if (v8_enable_webassembly) {
diff --git a/srcpkgs/qt6-webengine/patches/xxx-ppc64le-swiftshader.patch b/srcpkgs/qt6-webengine/patches/xxx-ppc64le-swiftshader.patch
new file mode 100644
index 000000000000..b8cdc5f0acf0
--- /dev/null
+++ b/srcpkgs/qt6-webengine/patches/xxx-ppc64le-swiftshader.patch
@@ -0,0 +1,18 @@
+--- qt6-webengine-6.4.2.orig/src/3rdparty/chromium/third_party/swiftshader/third_party/llvm-10.0/BUILD.gn
++++ qt6-webengine-6.4.2/src/3rdparty/chromium/third_party/swiftshader/third_party/llvm-10.0/BUILD.gn
+@@ -583,6 +583,7 @@ swiftshader_llvm_source_set("swiftshader
+     "llvm/lib/MC/MCAsmInfoCOFF.cpp",
+     "llvm/lib/MC/MCAsmInfoDarwin.cpp",
+     "llvm/lib/MC/MCAsmInfoELF.cpp",
++    "llvm/lib/MC/MCAsmInfoXCOFF.cpp",
+     "llvm/lib/MC/MCAsmMacro.cpp",
+     "llvm/lib/MC/MCAsmStreamer.cpp",
+     "llvm/lib/MC/MCAssembler.cpp",
+@@ -638,6 +639,7 @@ swiftshader_llvm_source_set("swiftshader
+     "llvm/lib/MC/MCWinCOFFStreamer.cpp",
+     "llvm/lib/MC/MCWinEH.cpp",
+     "llvm/lib/MC/MCXCOFFStreamer.cpp",
++    "llvm/lib/MC/MCXCOFFObjectTargetWriter.cpp",
+     "llvm/lib/MC/MachObjectWriter.cpp",
+     "llvm/lib/MC/StringTableBuilder.cpp",
+     "llvm/lib/MC/SubtargetFeature.cpp",
diff --git a/srcpkgs/qt6-webengine/template b/srcpkgs/qt6-webengine/template
new file mode 100644
index 000000000000..207a73d1032f
--- /dev/null
+++ b/srcpkgs/qt6-webengine/template
@@ -0,0 +1,180 @@
+# Template file for 'qt6-webengine'
+pkgname=qt6-webengine
+version=6.4.2
+revision=1
+wrksrc="qtwebengine-everywhere-src-${version}"
+build_style=cmake
+configure_args="
+ -DQT_FEATURE_webengine_system_ffmpeg=ON
+ -DQT_FEATURE_webengine_system_libevent=ON
+ -DQT_FEATURE_webengine_system_gn=ON
+ -DQT_FEATURE_webengine_system_icu=ON
+ -DQT_FEATURE_webengine_webrtc_pipewire=ON
+ -DNinja_EXECUTABLE=$XBPS_WRAPPERDIR/ninja
+ -DQT_BUILD_EXAMPLES=ON
+ -DPKG_CONFIG_HOST_EXECUTABLE=${PKG_CONFIG_FOR_BUILD}"
+hostmakedepends="qt6-base-devel perl pkg-config nodejs python3-html5lib
+ qt6-declarative-devel protobuf gperf flex nss-devel libwebp-devel
+ icu-devel libevent-devel"
+makedepends="qt6-base-devel qt6-declarative-devel pulseaudio-devel
+ qt6-tools-devel qt6-websockets-devel libflac-devel qt6-svg-devel
+ alsa-lib-devel libvpx-devel pciutils-devel opus-devel libxslt-devel
+ libxml2-devel freetype-devel lcms2-devel libwebp-devel icu-devel
+ re2-devel zlib-devel libpng-devel minizip-devel harfbuzz-devel
+ nss-devel libXcursor-devel libXcomposite-devel libXScrnSaver-devel
+ protobuf-devel ffmpeg-devel snappy-devel libevent-devel pipewire-devel
+ libxkbfile-devel qt6-location-devel qt6-webchannel-devel libxshmfence-devel"
+# Not working properly with HTTPS without those packages
+# Not strict dependencies, though
+depends="qt6-plugin-tls-openssl qt6-plugin-tls-qcertonly"
+short_desc="Cross-platform application and UI framework - Webengine"
+maintainer="John <me@johnnynator.dev>"
+license="GPL-3.0-only, GPL-2.0-only, LGPL-3.0-only BSD-3-Clause"
+homepage="https://www.qt.io"
+distfiles="https://download.qt.io/official_releases/qt/${version%.*}/${version}/submodules/qtwebengine-everywhere-src-${version}.tar.xz"
+checksum=ffa945518d1cc8d9ee73523e8d9c2090844f5a2d9c7eac05c4ad079472a119c9
+
+if [ -z "$CROSS_BUILD" ];then
+	configure_args+=" -DQT_BUILD_TOOLS_WHEN_CROSSCOMPILING=TRUE"
+	configure_args+=" -DCMAKE_TOOLCHAIN_FILE=/usr/lib/cmake/Qt6/qt.toolchain.cmake"
+fi
+
+if [ "$XBPS_LIBC" = "musl" ]; then
+	hostmakedepends+=" musl-legacy-compat"
+fi
+
+if [ "$XBPS_TARGET_LIBC" = "musl" ]; then
+	makedepends+=" musl-legacy-compat"
+fi
+
+if [ ! "$XBPS_WORDSIZE" = "$XBPS_TARGET_WORDSIZE" ]; then
+	broken="webengine can be built only if word size matches"
+fi
+
+if [ "$XBPS_WORDSIZE" = 32 ]; then
+	CFLAGS=-g1
+	CXXFLAGS=-g1
+	LDFLAGS="-Wl,--no-keep-memory"
+fi
+
+if [ "$XBPS_TARGET_ENDIAN" != "le" ]; then
+	broken="webengine only supports little endian"
+fi
+
+#build_options="examples"
+#build_options_default="examples"
+#desc_option_examples="Build examples"
+
+subpackages="qt6-webengine-devel"
+
+#if [ "$build_option_examples" ]; then
+	subpackages+=" qt6-webengine-examples"
+#fi
+
+_bootstrap_gn() {
+	# Bootstrap gn (generate ninja)
+	echo "Bootstrapping 'gn'"
+	cd ${wrksrc}/src/3rdparty/gn
+	CFLAGS="$CFLAGS_host" CXXFLAGS="$CXXFLAGS_host" LDFLAGS="$LDFLAGS_host" \
+	PKGCONFIG=/usr/bin/pkgconfig PKG_CONFIG_PATH="/usr/lib/pkgconfig:/usr/share/pkgconfig" \
+		python3 build/gen.py --no-last-commit-position --out-path \
+			${wrksrc}/src/3rdparty/gn/out/Release --cc "${CC_host:-$CC}" \
+			--cxx "${CXX_host:-$CXX}" --ld "${CXX_host:-$CXX}" --ar "${AR_host:-$AR}" \
+			--qt-version "${version}.qtwebengine.qt.io"
+	ninja -C out/Release gn
+	cd ${wrksrc}
+}
+
+_unbundle_libs() {
+	cd ${wrksrc}/src/3rdparty/chromium
+	echo Dropping bundled libs from chromium
+	# Use system-provided libraries.
+	# TODO: use_system_hunspell (upstream changes needed).
+	# TODO: use_system_libsrtp.
+	# TODO: use_system_libusb (http://crbug.com/266149).
+	# TODO: use_system_ssl (http://crbug.com/58087).
+	# TODO: use_system_sqlite (http://crbug.com/22208).
+	# TODO: use_system_icu (segfaults)
+	# use_system_protobuf
+	# use_system_v8=1
+	# use_system_zlib=1
+	# bzip2 jsoncpp minizip xdg_utils speex
+	system="
+		ffmpeg
+		flac
+		fontconfig
+		freetype
+		harfbuzz-ng
+		icu
+		libdrm
+		libevent
+		libjpeg
+		libpng
+		libwebp
+		libxml
+		libxslt
+		opus
+		re2
+		snappy
+	"
+	build/linux/unbundle/replace_gn_files.py --system-libraries ${system}
+}
+
+# Provide a wrapper to run ./xbps-src -j 1 build later
+_wrap_ninja() {
+	cat <<-'_EOF' >"$XBPS_WRAPPERDIR"/ninja
+	#!/bin/sh
+
+	exec /usr/bin/ninja $NINJAFLAGS "$@"
+	_EOF
+	chmod +x "$XBPS_WRAPPERDIR"/ninja
+}
+
+pre_configure() {
+	_bootstrap_gn
+	# _unbundle_libs
+	_wrap_ninja
+	export PATH="$PATH:${wrksrc}/src/3rdparty/gn/out/Release"
+}
+
+pre_build() {
+	export PATH="$PATH:${wrksrc}/src/3rdparty/gn/out/Release"
+	export NINJAFLAGS="$makejobs"
+
+}
+
+pre_install() {
+	export PATH="$PATH:${wrksrc}/src/3rdparty/gn/out/Release"
+}
+
+post_install() {
+	local _file
+	find "${DESTDIR}"/usr/lib/qt6/examples \
+		-path '*/lib/qt6/**/lib/qt6/*' -type f |
+	while read _file; do
+		mv "$_file" "${_file%/lib/qt6/*}"
+	done
+}
+
+qt6-webengine-devel_package() {
+	depends="${sourcepkg}>=${version}_${revision} qt6-webchannel-devel>=${version}_1
+	 qt6-declarative-devel>=${version}_1 qt6-location-devel>=${version}_1"
+	short_desc+=" - development files"
+	pkg_install() {
+		vmove usr/include
+		vmove usr/lib/cmake
+		vmove usr/lib/pkgconfig
+		vmove usr/lib/qt6/mkspecs
+		vmove "usr/lib/*.so"
+		vmove "usr/lib/*.prl"
+		vmove usr/share/qt6/modules
+	}
+}
+
+qt6-webengine-examples_package() {
+	short_desc+=" - sample browsers"
+	depends="qt6-svg"
+	pkg_install() {
+		vmove usr/lib/qt6/examples
+	}
+}
diff --git a/srcpkgs/qt6-webengine/update b/srcpkgs/qt6-webengine/update
new file mode 100644
index 000000000000..844552465222
--- /dev/null
+++ b/srcpkgs/qt6-webengine/update
@@ -0,0 +1 @@
+pkgname="${pkgname/6-/}-everywhere-src"

^ permalink raw reply	[flat|nested] 9+ messages in thread

end of thread, other threads:[~2023-02-24 12:52 UTC | newest]

Thread overview: 9+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2023-02-12 15:56 [PR PATCH] [REDO] New package: qt6-webengine-6.4.2 sgn
2023-02-15  8:57 ` Johnnynator
2023-02-16  1:36 ` [PR PATCH] [Updated] " sgn
2023-02-19  2:06 ` sgn
2023-02-19  2:08 ` [PR PATCH] [Updated] " sgn
2023-02-21  1:23 ` sgn
2023-02-24 12:42 ` sgn
2023-02-24 12:52 ` sgn
2023-02-24 12:52 ` [PR PATCH] [Merged]: " sgn

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