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-rw-r--r--lib/Basic/Targets.cpp140
1 files changed, 47 insertions, 93 deletions
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 605ee8c8d8..fbd20ff74c 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -16,9 +16,10 @@
#include "clang/Basic/TargetBuiltins.h"
#include "clang/Basic/TargetInfo.h"
#include "clang/Basic/LangOptions.h"
-#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/APFloat.h"
#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/Triple.h"
#include "llvm/MC/MCSectionMachO.h"
using namespace clang;
@@ -78,66 +79,8 @@ public:
}
};
-}
-
-
-/// getDarwinNumber - Parse the 'darwin number' out of the specific targe
-/// triple. For example, if we have darwin8.5 return 8,5,0. If any entry is
-/// not defined, return 0's. Return true if we have -darwin in the string or
-/// false otherwise.
-static bool getDarwinNumber(const char *Triple, unsigned &Maj, unsigned &Min, unsigned &Revision) {
- Maj = Min = Revision = 0;
- const char *Darwin = strstr(Triple, "-darwin");
- if (Darwin == 0) return false;
-
- Darwin += strlen("-darwin");
- if (Darwin[0] < '0' || Darwin[0] > '9')
- return true;
-
- Maj = Darwin[0]-'0';
- ++Darwin;
-
- // Handle "darwin11".
- if (Maj == 1 && Darwin[0] >= '0' && Darwin[0] <= '9') {
- Maj = Maj*10 + (Darwin[0] - '0');
- ++Darwin;
- }
-
- // Handle minor version: 10.4.9 -> darwin8.9 -> "1049"
- if (Darwin[0] != '.')
- return true;
-
- ++Darwin;
- if (Darwin[0] < '0' || Darwin[0] > '9')
- return true;
-
- Min = Darwin[0]-'0';
- ++Darwin;
-
- // Handle 10.4.11 -> darwin8.11
- if (Min == 1 && Darwin[0] >= '0' && Darwin[0] <= '9') {
- Min = Min*10 + (Darwin[0] - '0');
- ++Darwin;
- }
-
- // Handle revision darwin8.9.1
- if (Darwin[0] != '.')
- return true;
-
- ++Darwin;
- if (Darwin[0] < '0' || Darwin[0] > '9')
- return true;
-
- Revision = Darwin[0]-'0';
- ++Darwin;
-
- if (Revision == 1 && Darwin[0] >= '0' && Darwin[0] <= '9') {
- Revision = Revision*10 + (Darwin[0] - '0');
- ++Darwin;
- }
+} // end anonymous namespace
- return true;
-}
static void getDarwinDefines(std::vector<char> &Defs, const LangOptions &Opts) {
Define(Defs, "__APPLE_CC__", "5621");
@@ -160,61 +103,72 @@ static void getDarwinDefines(std::vector<char> &Defs, const LangOptions &Opts) {
Define(Defs, "__DYNAMIC__");
}
-static void getDarwinOSXDefines(std::vector<char> &Defs, const char *Triple) {
+static void getDarwinOSXDefines(std::vector<char> &Defs, const char *TripleStr){
+ llvm::Triple TheTriple(TripleStr);
+ if (TheTriple.getOS() != llvm::Triple::Darwin)
+ return;
+
// Figure out which "darwin number" the target triple is. "darwin9" -> 10.5.
unsigned Maj, Min, Rev;
- if (getDarwinNumber(Triple, Maj, Min, Rev)) {
- char MacOSXStr[] = "1000";
- if (Maj >= 4 && Maj <= 13) { // 10.0-10.9
- // darwin7 -> 1030, darwin8 -> 1040, darwin9 -> 1050, etc.
- MacOSXStr[2] = '0' + Maj-4;
- }
-
- // Handle minor version: 10.4.9 -> darwin8.9 -> "1049"
- // Cap 10.4.11 -> darwin8.11 -> "1049"
- MacOSXStr[3] = std::min(Min, 9U)+'0';
- Define(Defs, "__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__", MacOSXStr);
+ TheTriple.getDarwinNumber(Maj, Min, Rev);
+
+ char MacOSXStr[] = "1000";
+ if (Maj >= 4 && Maj <= 13) { // 10.0-10.9
+ // darwin7 -> 1030, darwin8 -> 1040, darwin9 -> 1050, etc.
+ MacOSXStr[2] = '0' + Maj-4;
}
+
+ // Handle minor version: 10.4.9 -> darwin8.9 -> "1049"
+ // Cap 10.4.11 -> darwin8.11 -> "1049"
+ MacOSXStr[3] = std::min(Min, 9U)+'0';
+ Define(Defs, "__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__", MacOSXStr);
}
static void getDarwinIPhoneOSDefines(std::vector<char> &Defs,
- const char *Triple) {
+ const char *TripleStr) {
+ llvm::Triple TheTriple(TripleStr);
+ if (TheTriple.getOS() != llvm::Triple::Darwin)
+ return;
+
// Figure out which "darwin number" the target triple is. "darwin9" -> 10.5.
unsigned Maj, Min, Rev;
- if (getDarwinNumber(Triple, Maj, Min, Rev)) {
- // When targetting iPhone OS, interpret the minor version and
- // revision as the iPhone OS version
- char iPhoneOSStr[] = "10000";
- if (Min >= 2 && Min <= 9) { // iPhone OS 2.0-9.0
- // darwin9.2.0 -> 20000, darwin9.3.0 -> 30000, etc.
- iPhoneOSStr[0] = '0' + Min;
- }
-
- // Handle minor version: 2.2 -> darwin9.2.2 -> 20200
- iPhoneOSStr[2] = std::min(Rev, 9U)+'0';
- Define(Defs, "__ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__",
- iPhoneOSStr);
- }
+ TheTriple.getDarwinNumber(Maj, Min, Rev);
+
+ // When targetting iPhone OS, interpret the minor version and
+ // revision as the iPhone OS version
+ char iPhoneOSStr[] = "10000";
+ if (Min >= 2 && Min <= 9) { // iPhone OS 2.0-9.0
+ // darwin9.2.0 -> 20000, darwin9.3.0 -> 30000, etc.
+ iPhoneOSStr[0] = '0' + Min;
+ }
+
+ // Handle minor version: 2.2 -> darwin9.2.2 -> 20200
+ iPhoneOSStr[2] = std::min(Rev, 9U)+'0';
+ Define(Defs, "__ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__",
+ iPhoneOSStr);
}
/// GetDarwinLanguageOptions - Set the default language options for darwin.
static void GetDarwinLanguageOptions(LangOptions &Opts,
- const char *Triple) {
+ const char *TripleStr) {
Opts.NeXTRuntime = true;
-
- unsigned Maj, Min, Rev;
- if (!getDarwinNumber(Triple, Maj, Min, Rev))
+
+ llvm::Triple TheTriple(TripleStr);
+ if (TheTriple.getOS() != llvm::Triple::Darwin)
return;
+ unsigned MajorVersion = TheTriple.getDarwinMajorNumber();
+
// Blocks and stack protectors default to on for 10.6 (darwin10) and beyond.
- if (Maj > 9) {
+ if (MajorVersion > 9) {
Opts.Blocks = 1;
Opts.setStackProtectorMode(LangOptions::SSPOn);
}
// Non-fragile ABI (in 64-bit mode) default to on for 10.5 (darwin9) and
// beyond.
- if (Maj >= 9 && Opts.ObjC1 && !strncmp(Triple, "x86_64", 6))
+ if (MajorVersion >= 9 && Opts.ObjC1 &&
+ TheTriple.getArch() == llvm::Triple::x86_64)
Opts.ObjCNonFragileABI = 1;
}
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2025-05-03 19:43:10 +0000