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| author | Fangrui Song <maskray@google.com> | 2020-01-20 14:30:06 -0800 |
|---|---|---|
| committer | Fangrui Song <maskray@google.com> | 2020-01-24 10:38:40 -0800 |
| commit | 5d1fe1a1a9f18c5009e9e282b755e52c5e7ce5a2 (patch) | |
| tree | 91d714b21bc6223116db128f18b1ae1f2a2fd2a8 /clang/lib/Driver/ToolChains/Clang.cpp | |
| parent | 6f4edc606b2088bcac066640d5107d2042c203c1 (diff) | |
| download | bcm5719-llvm-5d1fe1a1a9f18c5009e9e282b755e52c5e7ce5a2.tar.gz bcm5719-llvm-5d1fe1a1a9f18c5009e9e282b755e52c5e7ce5a2.zip | |
[Driver][CodeGen] Support -fpatchable-function-entry=N,M and __attribute__((patchable_function_entry(N,M))) where M>0
Reviewed By: nickdesaulniers
Differential Revision: https://reviews.llvm.org/D73072
(cherry picked from commit 69bf40c45fd7f6dfe11b47de42571d8bff5ef94f)
Diffstat (limited to 'clang/lib/Driver/ToolChains/Clang.cpp')
| -rw-r--r-- | clang/lib/Driver/ToolChains/Clang.cpp | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/clang/lib/Driver/ToolChains/Clang.cpp b/clang/lib/Driver/ToolChains/Clang.cpp index 9b3055413e9..647465863d3 100644 --- a/clang/lib/Driver/ToolChains/Clang.cpp +++ b/clang/lib/Driver/ToolChains/Clang.cpp @@ -5077,20 +5077,23 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, if (Arg *A = Args.getLastArg(options::OPT_fpatchable_function_entry_EQ)) { StringRef S0 = A->getValue(), S = S0; - unsigned Size, Start = 0; + unsigned Size, Offset = 0; if (!Triple.isAArch64() && Triple.getArch() != llvm::Triple::x86 && Triple.getArch() != llvm::Triple::x86_64) D.Diag(diag::err_drv_unsupported_opt_for_target) << A->getAsString(Args) << TripleStr; else if (S.consumeInteger(10, Size) || (!S.empty() && (!S.consume_front(",") || - S.consumeInteger(10, Start) || !S.empty()))) + S.consumeInteger(10, Offset) || !S.empty()))) D.Diag(diag::err_drv_invalid_argument_to_option) << S0 << A->getOption().getName(); - else if (Start) + else if (Size < Offset) D.Diag(diag::err_drv_unsupported_fpatchable_function_entry_argument); - else + else { CmdArgs.push_back(Args.MakeArgString(A->getSpelling() + Twine(Size))); + CmdArgs.push_back(Args.MakeArgString( + "-fpatchable-function-entry-offset=" + Twine(Offset))); + } } if (TC.SupportsProfiling()) { |
