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Add basic support for arm static analysis checking. Radar 6699395 

llvm-svn: 68582
This commit is contained in:
Mike Stump 2009-04-08 02:07:04 +00:00
parent 9e7a137d01
commit 9d54bd77c0
1 changed files with 33 additions and 3 deletions
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34
clang/lib/Basic/Targets.cpp
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@ -859,11 +859,25 @@ public:
namespace {
class ARMTargetInfo : public TargetInfo {
enum {
Armv4t,
Armv5,
Armv6,
XScale
} ArmArch;
public:
ARMTargetInfo(const std::string& triple) : TargetInfo(triple) {
// FIXME: Are the defaults correct for ARM?
DescriptionString = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
"i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:64:64";
if (triple.find("arm-") || triple.find("armv6-"))
ArmArch = Armv6;
else if (triple.find("armv5-"))
ArmArch = Armv5;
else if (triple.find("armv4t-"))
ArmArch = Armv4t;
else if (triple.find("xscale-"))
ArmArch = XScale;
}
virtual void getTargetDefines(const LangOptions &Opts,
std::vector<char> &Defs) const {
@ -874,8 +888,22 @@ public:
// Target properties.
Define(Defs, "__LITTLE_ENDIAN__");
// Subtarget options. [hard coded to v6 for now]
// Subtarget options.
if (ArmArch == Armv6) {
Define(Defs, "__ARM_ARCH_6K__");
Define(Defs, "__THUMB_INTERWORK__");
} else if (ArmArch == Armv5) {
Define(Defs, "__ARM_ARCH_5TEJ__");
Define(Defs, "__THUMB_INTERWORK__");
Define(Defs, "__SOFTFP__");
} else if (ArmArch == Armv4t) {
Define(Defs, "__ARM_ARCH_4T__");
Define(Defs, "__SOFTFP__");
} else if (ArmArch == XScale) {
Define(Defs, "__ARM_ARCH_5TE__");
Define(Defs, "__XSCALE__");
Define(Defs, "__SOFTFP__");
}
Define(Defs, "__ARMEL__");
Define(Defs, "__ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__", "20000");
}
@ -1141,7 +1169,9 @@ TargetInfo* TargetInfo::CreateTargetInfo(const std::string &T) {
return new PPC64TargetInfo(T);
}
if (T.find("armv6-") == 0 || T.find("arm-") == 0) {
if (T.find("armv6-") == 0 || T.find("arm-") == 0
|| T.find("armv4t") == 0 || T.find("armv5-") == 0
|| T.find("xscale") == 0) {
if (isDarwin)
return new DarwinARMTargetInfo(T);
if (isFreeBSD)