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https://github.com/RGBCube/serenity
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4334bd06b8
Add a patch to let llvm's InstrProfiling modules know serenity supports all the Unix-y features required to make -fprofile-instr-generate and -fcoverage-mapping work properly on target.
36 lines
1.5 KiB
Diff
36 lines
1.5 KiB
Diff
From 50e7b15efa5f7e2ff57e998879fee28fff4a5305 Mon Sep 17 00:00:00 2001
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From: Daniel Bertalan <dani@danielbertalan.dev>
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Date: Thu, 14 Apr 2022 10:12:54 +0200
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Subject: [PATCH 4/9] [Driver] Default to -ftls-model=initial-exec on
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SerenityOS
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This is a hack to make Clang use the initial-exec TLS model instead of
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the default local-exec when building code for Serenity.
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This patch should be removed when we implement proper TLS support.
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---
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clang/lib/Driver/ToolChains/Clang.cpp | 8 +++++++-
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1 file changed, 7 insertions(+), 1 deletion(-)
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diff --git a/clang/lib/Driver/ToolChains/Clang.cpp b/clang/lib/Driver/ToolChains/Clang.cpp
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index f2f18e901..39d6c18fe 100644
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--- a/clang/lib/Driver/ToolChains/Clang.cpp
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+++ b/clang/lib/Driver/ToolChains/Clang.cpp
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@@ -5872,7 +5872,13 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
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Args.AddLastArg(CmdArgs, options::OPT_fvisibility_inlines_hidden_static_local_var,
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options::OPT_fno_visibility_inlines_hidden_static_local_var);
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Args.AddLastArg(CmdArgs, options::OPT_fvisibility_global_new_delete_hidden);
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- Args.AddLastArg(CmdArgs, options::OPT_ftlsmodel_EQ);
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+ if (Triple.isOSSerenity()) {
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+ StringRef tls_model =
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+ Args.getLastArgValue(options::OPT_ftlsmodel_EQ, "initial-exec");
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+ CmdArgs.push_back(Args.MakeArgString("-ftls-model=" + tls_model));
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+ } else {
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+ Args.AddLastArg(CmdArgs, options::OPT_ftlsmodel_EQ);
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+ }
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if (Args.hasFlag(options::OPT_fnew_infallible,
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options::OPT_fno_new_infallible, false))
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--
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2.35.3
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