git: bd7cdc360a52 - 2022Q4 - www/chromium: unbreak on i386 by enforcing 8 byte alignment on i386 in partition alloc
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Date: Mon, 07 Nov 2022 09:32:39 UTC
The branch 2022Q4 has been updated by rene:
URL: https://cgit.FreeBSD.org/ports/commit/?id=bd7cdc360a525247c0fc107823e373db71adf1d9
commit bd7cdc360a525247c0fc107823e373db71adf1d9
Author: Robert Nagy <robert@openbsd.org>
AuthorDate: 2022-11-06 18:54:31 +0000
Commit: Rene Ladan <rene@FreeBSD.org>
CommitDate: 2022-11-07 09:31:25 +0000
www/chromium: unbreak on i386 by enforcing 8 byte alignment on i386 in partition alloc
(cherry picked from commit 17f46f71982b5a498273b541a511e8b00b79241f)
---
www/chromium/Makefile | 1 -
...ocator_partition__allocator_partition__alloc.cc | 16 ----------------
...artition__allocator_partition__alloc__forward.h | 16 ++++++++++++++++
...llocator_partition__allocator_partition__page.h | 22 ++--------------------
4 files changed, 18 insertions(+), 37 deletions(-)
diff --git a/www/chromium/Makefile b/www/chromium/Makefile
index 2910793da1dc..8d6b4aeb9b07 100644
--- a/www/chromium/Makefile
+++ b/www/chromium/Makefile
@@ -15,7 +15,6 @@ LICENSE= BSD3CLAUSE LGPL21 MPL11
LICENSE_COMB= multi
ONLY_FOR_ARCHS= aarch64 amd64 i386
-BROKEN_i386= does not build due to 4k alignment
BUILD_DEPENDS= bash:shells/bash \
${PYTHON_PKGNAMEPREFIX}Jinja2>0:devel/py-Jinja2@${PY_FLAVOR} \
diff --git a/www/chromium/files/patch-base_allocator_partition__allocator_partition__alloc.cc b/www/chromium/files/patch-base_allocator_partition__allocator_partition__alloc.cc
deleted file mode 100644
index 6c849392809f..000000000000
--- a/www/chromium/files/patch-base_allocator_partition__allocator_partition__alloc.cc
+++ /dev/null
@@ -1,16 +0,0 @@
---- base/allocator/partition_allocator/partition_alloc.cc.orig 2022-10-24 13:33:33 UTC
-+++ base/allocator/partition_allocator/partition_alloc.cc
-@@ -67,8 +67,13 @@ void PartitionAllocGlobalInit(OomFunction on_out_of_me
- "maximum direct mapped allocation");
-
- // Check that some of our zanier calculations worked out as expected.
-+#if defined(__i386__) && defined(OS_FREEBSD)
-+ static_assert(internal::kSmallestBucket >= internal::kAlignment,
-+ "generic smallest bucket");
-+#else
- static_assert(internal::kSmallestBucket == internal::kAlignment,
- "generic smallest bucket");
-+#endif
- static_assert(internal::kMaxBucketed == 983040, "generic max bucketed");
- STATIC_ASSERT_OR_PA_CHECK(
- internal::MaxSystemPagesPerRegularSlotSpan() <= 16,
diff --git a/www/chromium/files/patch-base_allocator_partition__allocator_partition__alloc__forward.h b/www/chromium/files/patch-base_allocator_partition__allocator_partition__alloc__forward.h
new file mode 100644
index 000000000000..fbaa149594dc
--- /dev/null
+++ b/www/chromium/files/patch-base_allocator_partition__allocator_partition__alloc__forward.h
@@ -0,0 +1,16 @@
+--- base/allocator/partition_allocator/partition_alloc_forward.h.orig 2022-11-06 16:08:29 UTC
++++ base/allocator/partition_allocator/partition_alloc_forward.h
+@@ -25,9 +25,13 @@ namespace internal {
+ // the second one 16. We could technically return something different for
+ // malloc() and operator new(), but this would complicate things, and most of
+ // our allocations are presumably coming from operator new() anyway.
++#if defined(__i386__) && defined(OS_FREEBSD)
++constexpr size_t kAlignment = 8;
++#else
+ constexpr size_t kAlignment =
+ std::max(alignof(max_align_t),
+ static_cast<size_t>(__STDCPP_DEFAULT_NEW_ALIGNMENT__));
++#endif
+ static_assert(kAlignment <= 16,
+ "PartitionAlloc doesn't support a fundamental alignment larger "
+ "than 16 bytes.");
diff --git a/www/chromium/files/patch-base_allocator_partition__allocator_partition__page.h b/www/chromium/files/patch-base_allocator_partition__allocator_partition__page.h
index d9c3b425456b..bed1b712bcea 100644
--- a/www/chromium/files/patch-base_allocator_partition__allocator_partition__page.h
+++ b/www/chromium/files/patch-base_allocator_partition__allocator_partition__page.h
@@ -1,14 +1,6 @@
---- base/allocator/partition_allocator/partition_page.h.orig 2022-10-24 13:33:33 UTC
+--- base/allocator/partition_allocator/partition_page.h.orig 2022-11-06 16:08:29 UTC
+++ base/allocator/partition_allocator/partition_page.h
-@@ -138,13 +138,14 @@ struct SlotSpanMetadata {
- PartitionBucket<thread_safe>* const bucket = nullptr;
-
- // CHECK()ed in AllocNewSlotSpan().
--#if defined(PA_HAS_64_BITS_POINTERS) && BUILDFLAG(IS_APPLE)
-+#if (defined(PA_HAS_64_BITS_POINTERS) && BUILDFLAG(IS_APPLE)) || \
-+ (BUILDFLAG(IS_FREEBSD) && defined(__i386__))
- // System page size is not a constant on Apple OSes, but is either 4 or 16kiB
- // (1 << 12 or 1 << 14), as checked in PartitionRoot::Init(). And
+@@ -144,7 +144,7 @@ struct SlotSpanMetadata {
// PartitionPageSize() is 4 times the OS page size.
static constexpr size_t kMaxSlotsPerSlotSpan =
4 * (1 << 14) / kSmallestBucket;
@@ -17,13 +9,3 @@
// System page size can be 4, 16, or 64 kiB on Linux on arm64. 64 kiB is
// currently (kMaxSlotsPerSlotSpanBits == 13) not supported by the code,
// so we use the 16 kiB maximum (64 kiB will crash).
-@@ -158,7 +159,9 @@ struct SlotSpanMetadata {
- #endif // defined(PA_HAS_64_BITS_POINTERS) && BUILDFLAG(IS_APPLE)
- // The maximum number of bits needed to cover all currently supported OSes.
- static constexpr size_t kMaxSlotsPerSlotSpanBits = 13;
-+#if !BUILDFLAG(IS_FREEBSD) && defined(__i386__)
- static_assert(kMaxSlotsPerSlotSpan < (1 << kMaxSlotsPerSlotSpanBits), "");
-+#endif
-
- // |marked_full| isn't equivalent to being full. Slot span is marked as full
- // iff it isn't on the active slot span list (or any other list).