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2023-08-16 22:26:55 +00:00 · 2023-08-16 22:26:55 +00:00 · 2c0afcbbf3
commit 2c0afcbbf3
64331 changed files with 5339189 additions and 0 deletions
--- a/devel/clang-tools-extra/patches/patch-lib_Target_AArch64_AArch64FrameLowering_cpp
+++ b/devel/clang-tools-extra/patches/patch-lib_Target_AArch64_AArch64FrameLowering_cpp
@ -0,0 +1,35 @@
+Add retguard for arm64.
+
+Index: lib/Target/AArch64/AArch64FrameLowering.cpp
+--- lib/Target/AArch64/AArch64FrameLowering.cpp.orig
+++ lib/Target/AArch64/AArch64FrameLowering.cpp
+@@ -123,6 +123,7 @@
+ #include "AArch64InstrInfo.h"
+ #include "AArch64MachineFunctionInfo.h"
+ #include "AArch64RegisterInfo.h"
+#include "AArch64ReturnProtectorLowering.h"
+ #include "AArch64Subtarget.h"
+ #include "AArch64TargetMachine.h"
+ #include "MCTargetDesc/AArch64AddressingModes.h"
+@@ -2753,6 +2754,10 @@ void AArch64FrameLowering::determineCalleeSaves(Machin
+                                 ? RegInfo->getBaseRegister()
+                                 : (unsigned)AArch64::NoRegister;
+ 
+  if (MFI.hasReturnProtectorRegister() && MFI.getReturnProtectorNeedsStore()) {
+    SavedRegs.set(MFI.getReturnProtectorRegister());
+  }
+
+   unsigned ExtraCSSpill = 0;
+   // Figure out which callee-saved registers to save/restore.
+   for (unsigned i = 0; CSRegs[i]; ++i) {
+@@ -3532,6 +3537,10 @@ unsigned AArch64FrameLowering::getWinEHFuncletFrameSiz
+   // This is the amount of stack a funclet needs to allocate.
+   return alignTo(CSSize + MF.getFrameInfo().getMaxCallFrameSize(),
+                  getStackAlign());
+}
+
+const ReturnProtectorLowering *AArch64FrameLowering::getReturnProtector() const {
+  return &RPL;
+ }
+ 
+ namespace {