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authorDavid Candler <david.candler@arm.com>2019-10-31 08:55:57 +0000
committerDavid Candler <david.candler@arm.com>2019-10-31 09:48:30 +0000
commit92aa0c2dbcb723d102c508f6e7559330b637f912 (patch)
treec4935901211b87e2c4988d5a01110f9d3ce300f3 /clang/lib/Frontend/CompilerInvocation.cpp
parent9c739252261ea762d1bbbd8234d93c9038711fcd (diff)
downloadbcm5719-llvm-92aa0c2dbcb723d102c508f6e7559330b637f912.tar.gz
bcm5719-llvm-92aa0c2dbcb723d102c508f6e7559330b637f912.zip
[cfi] Add flag to always generate .debug_frame
This adds a flag to LLVM and clang to always generate a .debug_frame section, even if other debug information is not being generated. In situations where .eh_frame would normally be emitted, both .debug_frame and .eh_frame will be used. Differential Revision: https://reviews.llvm.org/D67216
Diffstat (limited to 'clang/lib/Frontend/CompilerInvocation.cpp')
-rw-r--r--clang/lib/Frontend/CompilerInvocation.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index f197a67e7a3..0775d1021c5 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -769,6 +769,9 @@ static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK,
Opts.DebugFwdTemplateParams = Args.hasArg(OPT_debug_forward_template_params);
Opts.EmbedSource = Args.hasArg(OPT_gembed_source);
+ Opts.ForceDwarfFrameSection =
+ Args.hasFlag(OPT_fforce_dwarf_frame, OPT_fno_force_dwarf_frame, false);
+
for (const auto &Arg : Args.getAllArgValues(OPT_fdebug_prefix_map_EQ))
Opts.DebugPrefixMap.insert(StringRef(Arg).split('='));
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