From: Daniel Dunbar <daniel@zuster.org>
Date: Wed, 10 Feb 2010 18:48:44 +0000 (+0000)
Subject: clang -cc1: Add -fsjlj-exceptions, which requires far too much button pushing.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=73482884560be041d86eccbd7dd5a6918677393b;p=clang

clang -cc1: Add -fsjlj-exceptions, which requires far too much button pushing.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@95785 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/clang/Basic/DiagnosticFrontendKinds.td b/include/clang/Basic/DiagnosticFrontendKinds.td
index aa91d46350..79147eac5f 100644
--- a/include/clang/Basic/DiagnosticFrontendKinds.td
+++ b/include/clang/Basic/DiagnosticFrontendKinds.td
@@ -140,6 +140,9 @@ def warn_pch_elide_constructors : Error<
 def warn_pch_exceptions : Error<
     "exceptions were %select{disabled|enabled}0 in PCH file but "
     "are currently %select{disabled|enabled}1">;
+def warn_pch_sjlj_exceptions : Error<
+    "sjlj-exceptions were %select{disabled|enabled}0 in PCH file but "
+    "are currently %select{disabled|enabled}1">;
 def warn_pch_objc_runtime : Error<
     "PCH file was compiled with the %select{NeXT|GNU}0 runtime but the "
     "%select{NeXT|GNU}1 runtime is selected">;
diff --git a/include/clang/Basic/LangOptions.h b/include/clang/Basic/LangOptions.h
index d97e61cc16..1172206e92 100644
--- a/include/clang/Basic/LangOptions.h
+++ b/include/clang/Basic/LangOptions.h
@@ -47,6 +47,7 @@ public:
   unsigned LaxVectorConversions : 1;
   unsigned AltiVec           : 1;  // Support AltiVec-style vector initializers.
   unsigned Exceptions        : 1;  // Support exception handling.
+  unsigned SjLjExceptions    : 1;  // Use setjmp-longjump exception handling.
   unsigned RTTI              : 1;  // Support RTTI information.
 
   unsigned NeXTRuntime       : 1; // Use NeXT runtime.
@@ -128,7 +129,7 @@ public:
     GC = ObjC1 = ObjC2 = ObjCNonFragileABI = ObjCNonFragileABI2 = 0;
     C99 = Microsoft = CPlusPlus = CPlusPlus0x = 0;
     CXXOperatorNames = PascalStrings = WritableStrings = 0;
-    Exceptions = Freestanding = NoBuiltin = 0;
+    Exceptions = SjLjExceptions = Freestanding = NoBuiltin = 0;
     NeXTRuntime = 1;
     RTTI = 1;
     LaxVectorConversions = 1;
diff --git a/include/clang/Driver/CC1Options.td b/include/clang/Driver/CC1Options.td
index 5f1983d4cb..a235fa7892 100644
--- a/include/clang/Driver/CC1Options.td
+++ b/include/clang/Driver/CC1Options.td
@@ -327,6 +327,8 @@ def fblocks : Flag<"-fblocks">,
 def fheinous_gnu_extensions : Flag<"-fheinous-gnu-extensions">;  
 def fexceptions : Flag<"-fexceptions">,
   HelpText<"Enable support for exception handling">;
+def fsjlj_exceptions : Flag<"-fsjlj-exceptions">,
+  HelpText<"Use SjLj style exceptions">;
 def ffreestanding : Flag<"-ffreestanding">,
   HelpText<"Assert that the compilation takes place in a freestanding environment">;
 def fgnu_runtime : Flag<"-fgnu-runtime">,
diff --git a/lib/Frontend/CompilerInvocation.cpp b/lib/Frontend/CompilerInvocation.cpp
index 35cfee85fc..2a63cda050 100644
--- a/lib/Frontend/CompilerInvocation.cpp
+++ b/lib/Frontend/CompilerInvocation.cpp
@@ -476,6 +476,8 @@ static void LangOptsToArgs(const LangOptions &Opts,
     Res.push_back("-faltivec");
   if (Opts.Exceptions)
     Res.push_back("-fexceptions");
+  if (Opts.SjLjExceptions)
+    Res.push_back("-fsjlj-exceptions");
   if (!Opts.RTTI)
     Res.push_back("-fno-rtti");
   if (!Opts.NeXTRuntime)
@@ -1189,6 +1191,7 @@ static void ParseLangArgs(LangOptions &Opts, ArgList &Args,
   Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior);
   Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls);
   Opts.PICLevel = getLastArgIntValue(Args, OPT_pic_level, 0, Diags);
+  Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions);
   Opts.Static = Args.hasArg(OPT_static_define);
   Opts.OptimizeSize = 0;
 
diff --git a/lib/Frontend/PCHReader.cpp b/lib/Frontend/PCHReader.cpp
index 9ab3b7a0a2..655d59fa8b 100644
--- a/lib/Frontend/PCHReader.cpp
+++ b/lib/Frontend/PCHReader.cpp
@@ -79,6 +79,7 @@ PCHValidator::ReadLanguageOptions(const LangOptions &LangOpts) {
                           diag::warn_pch_lax_vector_conversions);
   PARSE_LANGOPT_IMPORTANT(AltiVec, diag::warn_pch_altivec);
   PARSE_LANGOPT_IMPORTANT(Exceptions, diag::warn_pch_exceptions);
+  PARSE_LANGOPT_IMPORTANT(SjLjExceptions, diag::warn_pch_sjlj_exceptions);
   PARSE_LANGOPT_IMPORTANT(NeXTRuntime, diag::warn_pch_objc_runtime);
   PARSE_LANGOPT_IMPORTANT(Freestanding, diag::warn_pch_freestanding);
   PARSE_LANGOPT_IMPORTANT(NoBuiltin, diag::warn_pch_builtins);
@@ -1747,6 +1748,7 @@ bool PCHReader::ParseLanguageOptions(
     PARSE_LANGOPT(LaxVectorConversions);
     PARSE_LANGOPT(AltiVec);
     PARSE_LANGOPT(Exceptions);
+    PARSE_LANGOPT(SjLjExceptions);
     PARSE_LANGOPT(NeXTRuntime);
     PARSE_LANGOPT(Freestanding);
     PARSE_LANGOPT(NoBuiltin);
diff --git a/lib/Frontend/PCHWriter.cpp b/lib/Frontend/PCHWriter.cpp
index 45d9b1bace..c7e6058d65 100644
--- a/lib/Frontend/PCHWriter.cpp
+++ b/lib/Frontend/PCHWriter.cpp
@@ -758,6 +758,7 @@ void PCHWriter::WriteLanguageOptions(const LangOptions &LangOpts) {
   Record.push_back(LangOpts.LaxVectorConversions);
   Record.push_back(LangOpts.AltiVec);
   Record.push_back(LangOpts.Exceptions);  // Support exception handling.
+  Record.push_back(LangOpts.SjLjExceptions);
 
   Record.push_back(LangOpts.NeXTRuntime); // Use NeXT runtime.
   Record.push_back(LangOpts.Freestanding); // Freestanding implementation