================
@@ -4661,3 +4661,109 @@ AsmPrinter::getCodeViewJumpTableInfo(int JTI, const
MachineInstr *BranchInstr,
return std::make_tuple(Base, 0, BranchLabel,
codeview::JumpTableEntrySize::Int32);
}
+
+void AsmPrinter::emitCOFFReplaceableFunctionData(Module &M) {
+ const Triple &TT = TM.getTargetTriple();
+ assert(TT.isOSBinFormatCOFF());
+
+ bool IsTargetArm64EC = TT.isWindowsArm64EC();
+ SmallVector<char> Buf;
+ SmallVector<MCSymbol *> FuncOverrideDefaultSymbols;
+ bool SwitchedToDirectiveSection = false;
+ for (const Function &F : M.functions()) {
+ if (F.hasFnAttribute("loader-replaceable")) {
+ if (!SwitchedToDirectiveSection) {
+ OutStreamer->switchSection(
+ OutContext.getObjectFileInfo()->getDrectveSection());
+ SwitchedToDirectiveSection = true;
+ }
+
+ StringRef Name = F.getName();
+
+ // For hybrid-patchable targets, strip the prefix so that we can mark
+ // the real function as replaceable.
+ if (IsTargetArm64EC && Name.ends_with(HybridPatchableTargetSuffix)) {
+ Name = Name.substr(0, Name.size() -
HybridPatchableTargetSuffix.size());
----------------
efriedma-quic wrote:
```suggestion
Name = Name.drop_back(HybridPatchableTargetSuffix.size());
```
https://github.com/llvm/llvm-project/pull/125320
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