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authorChris Lattner <sabre@nondot.org>2004-07-11 06:02:59 +0000
committerChris Lattner <sabre@nondot.org>2004-07-11 06:02:59 +0000
commit2845ece825f302f9d841e8a743539ffd3f7edff8 (patch)
tree9459bfec952af25ef9737a435a92c58c5866be27 /include
parent68905bb6fc8848b6437057f3998b89cbf5d6f837 (diff)
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Add a new listener class for things that want to be informed about new
targets that are loaded git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14758 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include')
-rw-r--r--include/llvm/Target/TargetMachineRegistry.h27
1 files changed, 21 insertions, 6 deletions
diff --git a/include/llvm/Target/TargetMachineRegistry.h b/include/llvm/Target/TargetMachineRegistry.h
index e122e9a..008b69c 100644
--- a/include/llvm/Target/TargetMachineRegistry.h
+++ b/include/llvm/Target/TargetMachineRegistry.h
@@ -58,11 +58,7 @@ namespace llvm {
protected:
Entry(const char *N, const char *SD,
TargetMachine *(*CF)(const Module &, IntrinsicLowering*),
- unsigned (*MMF)(const Module &M), unsigned (*JMF)())
- : Name(N), ShortDesc(SD), CtorFn(CF), ModuleMatchQualityFn(MMF),
- JITMatchQualityFn(JMF), Next(List) {
- List = this;
- }
+ unsigned (*MMF)(const Module &M), unsigned (*JMF)());
private:
const Entry *Next; // Next entry in the linked list.
};
@@ -89,10 +85,24 @@ namespace llvm {
}
};
+ /// TargetRegistrationListener - This class allows code to listen for targets
+ /// that are dynamically registered, and be notified of it when they are.
+ class TargetRegistrationListener {
+ TargetRegistrationListener **Prev, *Next;
+ public:
+ TargetRegistrationListener();
+ virtual ~TargetRegistrationListener();
+
+ TargetRegistrationListener *getNext() const { return Next; }
+
+ virtual void targetRegistered(const TargetMachineRegistry::Entry *E) = 0;
+ };
+
+
//===--------------------------------------------------------------------===//
/// TargetNameParser - This option can be used to provide a command line
/// option to choose among the various registered targets (commonly -march).
- class TargetNameParser :
+ class TargetNameParser : public TargetRegistrationListener,
public cl::parser<const TargetMachineRegistry::Entry*> {
public:
void initialize(cl::Option &O) {
@@ -102,6 +112,11 @@ namespace llvm {
std::make_pair(E, E->ShortDesc)));
cl::parser<const TargetMachineRegistry::Entry*>::initialize(O);
}
+
+ virtual void targetRegistered(const TargetMachineRegistry::Entry *E) {
+ Values.push_back(std::make_pair(E->Name,
+ std::make_pair(E, E->ShortDesc)));
+ }
};
}