build/build-clang/llvmorg-18-init-8471-g160e8eb44961.patch

   1 From 160e8eb4496104a1d0ed77649af7e8bb679252f9 Mon Sep 17 00:00:00 2001
   2 From: nicole mazzuca <nicole@strega-nil.co>
   3 Date: Fri, 13 Oct 2023 08:47:23 -0700
   4 Subject: [PATCH] [ASan] Recognize lea r10, [rip + XX] (#68910)
   5
   6 This instruction is present in memcpy in the latest vcruntime
   7
   8 This PR has been opened for @AndrewDeanMS (a teammate inside Microsoft)
   9 who made the PR to our internal branch.
  10
  11 Co-authored-by: Andrew Dean <Andrew.Dean@microsoft.com>
  12 ---
  13  compiler-rt/lib/interception/interception_win.cpp | 2 +-
  14  1 file changed, 1 insertion(+), 1 deletion(-)
  15
  16 diff --git a/compiler-rt/lib/interception/interception_win.cpp b/compiler-rt/lib/interception/interception_win.cpp
  17 index d57afa3fda7b..1b681ada37b1 100644
  18 --- a/compiler-rt/lib/interception/interception_win.cpp
  19 +++ b/compiler-rt/lib/interception/interception_win.cpp
  20 @@ -624,7 +624,7 @@ static size_t GetInstructionSize(uptr address, size_t* rel_offset = nullptr) {
  21                        //   mov rax, QWORD PTR [rip + XXXXXXXX]
  22      case 0x25ff48:    // 48 ff 25 XX XX XX XX :
  23                        //   rex.W jmp QWORD PTR [rip + XXXXXXXX]
  24 -
  25 +    case 0x158D4C:    // 4c 8d 15 XX XX XX XX : lea r10, [rip + XX]
  26        // Instructions having offset relative to 'rip' need offset adjustment.
  27        if (rel_offset)
  28          *rel_offset = 3;
  29 --
  30 2.44.0.1.g9765aa7075
  31