Closed by commit rL217790 (authored by @rnk).
REPOSITORY
rL LLVM
http://reviews.llvm.org/D3419
Files:
cfe/trunk/include/clang/Basic/LangOptions.def
cfe/trunk/include/clang/Driver/CC1Options.td
cfe/trunk/include/clang/Driver/ToolChain.h
cfe/trunk/lib/CodeGen/CGException.cpp
cfe/trunk/lib/Driver/Tools.cpp
cfe/trunk/lib/Frontend/CompilerInvocation.cpp
cfe/trunk/lib/Frontend/InitPreprocessor.cpp
cfe/trunk/test/CodeGenCXX/mingw-w64-seh-exceptions.cpp
Index: cfe/trunk/lib/CodeGen/CGException.cpp
===================================================================
--- cfe/trunk/lib/CodeGen/CGException.cpp
+++ cfe/trunk/lib/CodeGen/CGException.cpp
@@ -137,25 +137,31 @@
static const EHPersonality &get(const LangOptions &Lang);
static const EHPersonality GNU_C;
static const EHPersonality GNU_C_SJLJ;
+ static const EHPersonality GNU_C_SEH;
static const EHPersonality GNU_ObjC;
static const EHPersonality GNUstep_ObjC;
static const EHPersonality GNU_ObjCXX;
static const EHPersonality NeXT_ObjC;
static const EHPersonality GNU_CPlusPlus;
static const EHPersonality GNU_CPlusPlus_SJLJ;
+ static const EHPersonality GNU_CPlusPlus_SEH;
};
}
const EHPersonality EHPersonality::GNU_C = { "__gcc_personality_v0", nullptr };
const EHPersonality
EHPersonality::GNU_C_SJLJ = { "__gcc_personality_sj0", nullptr };
const EHPersonality
+EHPersonality::GNU_C_SEH = { "__gcc_personality_seh0", nullptr };
+const EHPersonality
EHPersonality::NeXT_ObjC = { "__objc_personality_v0", nullptr };
const EHPersonality
EHPersonality::GNU_CPlusPlus = { "__gxx_personality_v0", nullptr };
const EHPersonality
EHPersonality::GNU_CPlusPlus_SJLJ = { "__gxx_personality_sj0", nullptr };
const EHPersonality
+EHPersonality::GNU_CPlusPlus_SEH = { "__gxx_personality_seh0", nullptr };
+const EHPersonality
EHPersonality::GNU_ObjC = {"__gnu_objc_personality_v0", "objc_exception_throw"};
const EHPersonality
EHPersonality::GNU_ObjCXX = { "__gnustep_objcxx_personality_v0", nullptr };
@@ -165,6 +171,8 @@
static const EHPersonality &getCPersonality(const LangOptions &L) {
if (L.SjLjExceptions)
return EHPersonality::GNU_C_SJLJ;
+ if (L.SEHExceptions)
+ return EHPersonality::GNU_C_SEH;
return EHPersonality::GNU_C;
}
@@ -189,6 +197,8 @@
static const EHPersonality &getCXXPersonality(const LangOptions &L) {
if (L.SjLjExceptions)
return EHPersonality::GNU_CPlusPlus_SJLJ;
+ else if (L.SEHExceptions)
+ return EHPersonality::GNU_CPlusPlus_SEH;
else
return EHPersonality::GNU_CPlusPlus;
}
Index: cfe/trunk/lib/Frontend/InitPreprocessor.cpp
===================================================================
--- cfe/trunk/lib/Frontend/InitPreprocessor.cpp
+++ cfe/trunk/lib/Frontend/InitPreprocessor.cpp
@@ -556,6 +556,8 @@
Builder.defineMacro("__GXX_RTTI");
if (LangOpts.SjLjExceptions)
Builder.defineMacro("__USING_SJLJ_EXCEPTIONS__");
+ if (LangOpts.SEHExceptions)
+ Builder.defineMacro("__SEH__");
if (LangOpts.Deprecated)
Builder.defineMacro("__DEPRECATED");
Index: cfe/trunk/lib/Frontend/CompilerInvocation.cpp
===================================================================
--- cfe/trunk/lib/Frontend/CompilerInvocation.cpp
+++ cfe/trunk/lib/Frontend/CompilerInvocation.cpp
@@ -1431,6 +1431,7 @@
Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions);
Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions);
Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions);
+ Opts.SEHExceptions = Args.hasArg(OPT_fseh_exceptions);
Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp);
Opts.RTTI = !Args.hasArg(OPT_fno_rtti);
Index: cfe/trunk/lib/Driver/Tools.cpp
===================================================================
--- cfe/trunk/lib/Driver/Tools.cpp
+++ cfe/trunk/lib/Driver/Tools.cpp
@@ -4112,6 +4112,8 @@
if (getToolChain().UseSjLjExceptions())
CmdArgs.push_back("-fsjlj-exceptions");
+ else if (getToolChain().UseSEHExceptions())
+ CmdArgs.push_back("-fseh-exceptions");
// C++ "sane" operator new.
if (!Args.hasFlag(options::OPT_fassume_sane_operator_new,
Index: cfe/trunk/test/CodeGenCXX/mingw-w64-seh-exceptions.cpp
===================================================================
--- cfe/trunk/test/CodeGenCXX/mingw-w64-seh-exceptions.cpp
+++ cfe/trunk/test/CodeGenCXX/mingw-w64-seh-exceptions.cpp
@@ -0,0 +1,19 @@
+// RUN: %clang_cc1 %s -fexceptions -fseh-exceptions -emit-llvm -triple x86_64-w64-windows-gnu -o - | FileCheck %s
+
+extern "C" void foo();
+extern "C" void bar();
+
+struct Cleanup {
+ ~Cleanup() {
+ bar();
+ }
+};
+
+extern "C" void test() {
+ Cleanup x;
+ foo();
+}
+
+// CHECK: define void @test()
+// CHECK: invoke void @foo()
+// CHECK: landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_seh0 to i8*)
Index: cfe/trunk/include/clang/Basic/LangOptions.def
===================================================================
--- cfe/trunk/include/clang/Basic/LangOptions.def
+++ cfe/trunk/include/clang/Basic/LangOptions.def
@@ -82,6 +82,7 @@
LANGOPT(ObjCExceptions , 1, 0, "Objective-C exceptions")
LANGOPT(CXXExceptions , 1, 0, "C++ exceptions")
LANGOPT(SjLjExceptions , 1, 0, "setjmp-longjump exception handling")
+LANGOPT(SEHExceptions , 1, 0, "SEH exception handling")
LANGOPT(TraditionalCPP , 1, 0, "traditional CPP emulation")
LANGOPT(RTTI , 1, 1, "run-time type information")
LANGOPT(RTTIData , 1, 1, "emit run-time type information data")
Index: cfe/trunk/include/clang/Driver/ToolChain.h
===================================================================
--- cfe/trunk/include/clang/Driver/ToolChain.h
+++ cfe/trunk/include/clang/Driver/ToolChain.h
@@ -248,6 +248,9 @@
/// UseSjLjExceptions - Does this tool chain use SjLj exceptions.
virtual bool UseSjLjExceptions() const { return false; }
+ /// UseSEHExceptions - Does this tool chain use SEH exceptions.
+ virtual bool UseSEHExceptions() const { return false; }
+
/// ComputeLLVMTriple - Return the LLVM target triple to use, after taking
/// command line arguments into account.
virtual std::string
Index: cfe/trunk/include/clang/Driver/CC1Options.td
===================================================================
--- cfe/trunk/include/clang/Driver/CC1Options.td
+++ cfe/trunk/include/clang/Driver/CC1Options.td
@@ -435,6 +435,8 @@
HelpText<"Weakly link in the blocks runtime">;
def fsjlj_exceptions : Flag<["-"], "fsjlj-exceptions">,
HelpText<"Use SjLj style exceptions">;
+def fseh_exceptions : Flag<["-"], "fseh-exceptions">,
+ HelpText<"Use SEH style exceptions">;
def split_dwarf_file : Separate<["-"], "split-dwarf-file">,
HelpText<"File name to use for split dwarf debug info output">;
def fno_wchar : Flag<["-"], "fno-wchar">,
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