[PATCH] D72222: [Driver][CodeGen] Add -fpatchable-function-entry=N[,M]

[Fangrui Song via Phabricator via cfe-commits]

MaskRay created this revision.
MaskRay added reviewers: dberris, kristof.beyls, nickdesaulniers, rnk, rsmith, void.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.
MaskRay added a parent revision: D72221: Support function attribute patchable_function_entry.
MaskRay added subscribers: uweigand, jonpa.

In the backend, this feature is implemented with the function attribute
"patchable-function-entry". Both the attribute and XRay use
TargetOpcode::PATCHABLE_FUNCTION_ENTER, so the two features are
incompatible.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D72222

Files:
  clang/include/clang/Basic/CodeGenOptions.def
  clang/include/clang/Basic/DiagnosticDriverKinds.td
  clang/include/clang/Driver/Options.td
  clang/lib/CodeGen/CodeGenFunction.cpp
  clang/lib/Driver/ToolChains/Clang.cpp
  clang/lib/Driver/XRayArgs.cpp
  clang/lib/Frontend/CompilerInvocation.cpp
  clang/test/CodeGen/patchable-function-entry.c
  clang/test/Sema/patchable-function-entry-attr.cpp

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