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-rw-r--r--include/clang/Basic/LangOptions.h10
-rw-r--r--lib/Driver/Tools.cpp5
-rw-r--r--lib/Lex/Preprocessor.cpp20
-rw-r--r--test/Preprocessor/optimize.c2
-rw-r--r--tools/clang-cc/clang-cc.cpp20
-rw-r--r--utils/builtin-defines.c79
6 files changed, 127 insertions, 9 deletions
diff --git a/include/clang/Basic/LangOptions.h b/include/clang/Basic/LangOptions.h
index f95024dd88..5db1d2989b 100644
--- a/include/clang/Basic/LangOptions.h
+++ b/include/clang/Basic/LangOptions.h
@@ -68,8 +68,14 @@ public:
unsigned Optimize : 1; // Whether __OPTIMIZE__ should be defined.
unsigned OptimizeSize : 1; // Whether __OPTIMIZE_SIZE__ should be
// defined.
+ unsigned Static : 1; // Should __STATIC__ be defined (as
+ // opposed to __DYNAMIC__).
unsigned PICLevel : 2; // The value for __PIC__, if non-zero.
+ unsigned GNUInline : 1; // Should GNU inline semantics be
+ // used (instead of C99 semantics).
+ unsigned NoInline : 1; // Should __NO_INLINE__ be defined.
+
private:
unsigned GC : 2; // Objective-C Garbage Collection modes. We declare
// this enum as unsigned because MSVC insists on making enums
@@ -114,8 +120,12 @@ public:
Optimize = 0;
OptimizeSize = 0;
+ Static = 0;
PICLevel = 0;
+ GNUInline = 0;
+ NoInline = 0;
+
MainFileName = 0;
}
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 487e5c8cd0..ddf1148e42 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -79,6 +79,11 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
CmdArgs.push_back("-main-file-name");
CmdArgs.push_back(darwin::CC1::getBaseInputName(Args, Inputs));
+ // Some flags which affect the language (via preprocessor
+ // defines). See darwin::CC1::AddCPPArgs.
+ if (Args.hasArg(options::OPT_static))
+ CmdArgs.push_back("-static-define");
+
if (isa<AnalyzeJobAction>(JA)) {
// Add default argument set.
//
diff --git a/lib/Lex/Preprocessor.cpp b/lib/Lex/Preprocessor.cpp
index d3d5b8c3fd..452a04ccb3 100644
--- a/lib/Lex/Preprocessor.cpp
+++ b/lib/Lex/Preprocessor.cpp
@@ -486,6 +486,10 @@ static void InitializePredefinedMacros(Preprocessor &PP,
DefineBuiltinMacro(Buf, "__STDC_VERSION__=199901L");
else if (0) // STDC94 ?
DefineBuiltinMacro(Buf, "__STDC_VERSION__=199409L");
+
+ // Standard conforming mode?
+ if (!PP.getLangOptions().GNUMode)
+ DefineBuiltinMacro(Buf, "__STRICT_ANSI__=1");
if (PP.getLangOptions().CPlusPlus0x)
DefineBuiltinMacro(Buf, "__GXX_EXPERIMENTAL_CXX0X__");
@@ -500,6 +504,7 @@ static void InitializePredefinedMacros(Preprocessor &PP,
if (PP.getLangOptions().ObjCNonFragileABI) {
DefineBuiltinMacro(Buf, "__OBJC2__=1");
DefineBuiltinMacro(Buf, "OBJC_ZEROCOST_EXCEPTIONS=1");
+ DefineBuiltinMacro(Buf, "__EXCEPTIONS=1");
}
if (PP.getLangOptions().getGCMode() != LangOptions::NonGC)
@@ -628,9 +633,20 @@ static void InitializePredefinedMacros(Preprocessor &PP,
// Build configuration options. FIXME: these should be controlled by
// command line options or something.
- DefineBuiltinMacro(Buf, "__DYNAMIC__=1");
DefineBuiltinMacro(Buf, "__FINITE_MATH_ONLY__=0");
- DefineBuiltinMacro(Buf, "__NO_INLINE__=1");
+
+ if (PP.getLangOptions().Static)
+ DefineBuiltinMacro(Buf, "__STATIC__=1");
+ else
+ DefineBuiltinMacro(Buf, "__DYNAMIC__=1");
+
+ if (PP.getLangOptions().GNUInline)
+ DefineBuiltinMacro(Buf, "__GNUC_GNU_INLINE__=1");
+ else
+ DefineBuiltinMacro(Buf, "__GNUC_STDC_INLINE__=1");
+
+ if (PP.getLangOptions().NoInline)
+ DefineBuiltinMacro(Buf, "__NO_INLINE__=1");
if (unsigned PICLevel = PP.getLangOptions().PICLevel) {
sprintf(MacroBuf, "__PIC__=%d", PICLevel);
diff --git a/test/Preprocessor/optimize.c b/test/Preprocessor/optimize.c
index 6de84c707e..46df2a66b9 100644
--- a/test/Preprocessor/optimize.c
+++ b/test/Preprocessor/optimize.c
@@ -23,7 +23,7 @@
#ifndef __OPTIMIZE__
#error "__OPTIMIZE__ not defined"
#endif
- #ifndef __OPTIMIZE_SIZE__
+ #ifdef __OPTIMIZE_SIZE__
#error "__OPTIMIZE_SIZE__ not defined"
#endif
#endif
diff --git a/tools/clang-cc/clang-cc.cpp b/tools/clang-cc/clang-cc.cpp
index f2ccb80de3..13e4389159 100644
--- a/tools/clang-cc/clang-cc.cpp
+++ b/tools/clang-cc/clang-cc.cpp
@@ -624,9 +624,10 @@ OptLevel("O", llvm::cl::Prefix,
llvm::cl::init(0));
static llvm::cl::opt<unsigned>
-PICLevel("pic-level", llvm::cl::Prefix,
- llvm::cl::desc("Value for __PIC__"),
- llvm::cl::init(0));
+PICLevel("pic-level", llvm::cl::desc("Value for __PIC__"));
+
+static llvm::cl::opt<bool>
+StaticDefine("static-define", llvm::cl::desc("Should __STATIC__ be defined"));
// FIXME: add:
// -fdollars-in-identifiers
@@ -771,16 +772,23 @@ static void InitializeLanguageStandard(LangOptions &Options, LangKind LK,
if (EmitAllDecls)
Options.EmitAllDecls = 1;
- if (OptSize)
- Options.OptimizeSize = 1;
+ // The __OPTIMIZE_SIZE__ define is tied to -Oz, which we don't
+ // support.
+ Options.OptimizeSize = 0;
// -Os implies -O2
- if (Options.OptimizeSize || OptLevel)
+ if (OptSize || OptLevel)
Options.Optimize = 1;
assert(PICLevel <= 2 && "Invalid value for -pic-level");
Options.PICLevel = PICLevel;
+ Options.GNUInline = !Options.C99;
+ // FIXME: This is affected by other options (-fno-inline).
+ Options.NoInline = !OptSize && !OptLevel;
+
+ Options.Static = StaticDefine;
+
if (MainFileName.getPosition())
Options.setMainFileName(MainFileName.c_str());
}
diff --git a/utils/builtin-defines.c b/utils/builtin-defines.c
new file mode 100644
index 0000000000..98b0220748
--- /dev/null
+++ b/utils/builtin-defines.c
@@ -0,0 +1,79 @@
+/*
+This is a clang style test case for checking that preprocessor
+defines match gcc.
+*/
+
+/*
+RUN: for arch in -m32 -m64; do \
+RUN: for lang in -std=gnu89 -ansi -std=c99 -std=gnu99; do \
+RUN: for input in c objective-c; do \
+RUN: for opts in "-O0" "-O1 -dynamic" "-O2 -static" "-Os"; do \
+RUN: echo "-- $arch, $lang, $input, $opts --"; \
+RUN: for cc in 0 1; do \
+RUN: if [ "$cc" == 0 ]; then \
+RUN: cc_prog=clang; \
+RUN: output=%t0; \
+RUN: else \
+RUN: cc_prog=gcc; \
+RUN: output=%t1; \
+RUN: fi; \
+RUN: $cc_prog $arch $lang $opts -dM -E -x $input %s | sort > $output; \
+RUN: done; \
+RUN: if (! diff %t0 %t1); then exit 1; fi; \
+RUN: done; \
+RUN: done; \
+RUN: done; \
+RUN: done;
+*/
+
+/* We don't care about this difference */
+#ifdef __PIC__
+#if __PIC__ == 1
+#undef __PIC__
+#undef __pic__
+#define __PIC__ 2
+#define __pic__ 2
+#endif
+#endif
+
+/* Undefine things we don't expect to match. */
+#undef __DEC_EVAL_METHOD__
+#undef __INT16_TYPE__
+#undef __INT32_TYPE__
+#undef __INT64_TYPE__
+#undef __INT8_TYPE__
+#undef __SSP__
+#undef __APPLE_CC__
+#undef __VERSION__
+#undef __clang__
+#undef __llvm__
+#undef __nocona
+#undef __nocona__
+#undef __k8
+#undef __k8__
+#undef __tune_nocona__
+#undef __tune_core2__
+#undef __POINTER_WIDTH__
+#undef __INTPTR_TYPE__
+
+#undef __DEC128_DEN__
+#undef __DEC128_EPSILON__
+#undef __DEC128_MANT_DIG__
+#undef __DEC128_MAX_EXP__
+#undef __DEC128_MAX__
+#undef __DEC128_MIN_EXP__
+#undef __DEC128_MIN__
+#undef __DEC32_DEN__
+#undef __DEC32_EPSILON__
+#undef __DEC32_MANT_DIG__
+#undef __DEC32_MAX_EXP__
+#undef __DEC32_MAX__
+#undef __DEC32_MIN_EXP__
+#undef __DEC32_MIN__
+#undef __DEC64_DEN__
+#undef __DEC64_EPSILON__
+#undef __DEC64_MANT_DIG__
+#undef __DEC64_MAX_EXP__
+#undef __DEC64_MAX__
+#undef __DEC64_MIN_EXP__
+#undef __DEC64_MIN__
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2025-07-08 21:37:33 +0000