Bug 1923321 - Apply compiler-rt patches for ASan interception on Windows 11 24H2. r=firefox-build-system-reviewers,ahochheiden

Differential Revision: https://phabricator.services.mozilla.com/D226404

UltraBlame original commit: edffabee1b8d1b045d2f9bca0d072648fe810505

Author: marco-c

build/build-clang/compiler-rt-18.json

@@ -0,0 +1,34 @@
+{
+"
+patches
+"
+:
+[
+"
+llvmorg
+-
+20
+-
+init
+-
+9466
+-
+gce4618a9c405
+.
+patch
+"
+"
+llvmorg
+-
+20
+-
+init
+-
+9666
+-
+g8417f6af54c8
+.
+patch
+"
+]
+}

build/build-clang/llvmorg-20-init-9466-gce4618a9c405.patch

@@ -0,0 +1,340 @@
+From
+ce4618a9c405bd8a9c1e096eb45e9ca83d3891f1
+Mon
+Sep
+17
+00
+:
+00
+:
+00
+2001
+From
+:
+Mike
+Hommey
+<
+mh
+glandium
+.
+org
+>
+Date
+:
+Fri
+18
+Oct
+2024
+21
+:
+42
+:
+03
++
+0900
+Subject
+:
+[
+PATCH
+]
+[
+ASan
+]
+[
+windows
+]
+Recognize
+movzx
+r11d
+BYTE
+PTR
+[
+rdx
+]
+in
+interception_win
+(
+#
+111638
+)
+The
+instruction
+is
+present
+in
+some
+library
+in
+the
+24H2
+update
+for
+Windows
+11
+:
+=
+=
+8508
+=
+=
+interception_win
+:
+unhandled
+instruction
+at
+0x7ff83e193a40
+:
+44
+0f
+b6
+1a
+4c
+8b
+d2
+48
+This
+could
+be
+generalized
+but
+getting
+all
+the
+ModR
+/
+M
+byte
+combinations
+right
+is
+tricky
+.
+Many
+other
+classes
+of
+instructions
+handled
+in
+this
+file
+could
+use
+some
+generalization
+too
+.
+-
+-
+-
+compiler
+-
+rt
+/
+lib
+/
+interception
+/
+interception_win
+.
+cpp
+|
+1
++
+1
+file
+changed
+1
+insertion
+(
++
+)
+diff
+-
+-
+git
+a
+/
+compiler
+-
+rt
+/
+lib
+/
+interception
+/
+interception_win
+.
+cpp
+b
+/
+compiler
+-
+rt
+/
+lib
+/
+interception
+/
+interception_win
+.
+cpp
+index
+4a6ff6656edb
+.
+.
+4f60d4251303
+100644
+-
+-
+-
+a
+/
+compiler
+-
+rt
+/
+lib
+/
+interception
+/
+interception_win
+.
+cpp
++
++
++
+b
+/
+compiler
+-
+rt
+/
+lib
+/
+interception
+/
+interception_win
+.
+cpp
+-
+768
+6
++
+768
+7
+static
+size_t
+GetInstructionSize
+(
+uptr
+address
+size_t
+*
+rel_offset
+=
+nullptr
+)
+{
+}
+switch
+(
+*
+(
+u32
+*
+)
+(
+address
+)
+)
+{
++
+case
+0x1ab60f44
+:
+/
+/
+44
+0f
+b6
+1a
+:
+movzx
+r11d
+BYTE
+PTR
+[
+rdx
+]
+case
+0x24448b48
+:
+/
+/
+48
+8b
+44
+24
+XX
+:
+mov
+rax
+QWORD
+ptr
+[
+rsp
++
+XX
+]
+case
+0x246c8948
+:
+/
+/
+48
+89
+6C
+24
+XX
+:
+mov
+QWORD
+ptr
+[
+rsp
++
+XX
+]
+rbp
+case
+0x245c8948
+:
+/
+/
+48
+89
+5c
+24
+XX
+:
+mov
+QWORD
+PTR
+[
+rsp
++
+XX
+]
+rbx
+-
+-
+2
+.
+47
+.
+0
+.
+1
+.
+g59ce1bf855