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-rw-r--r--include/llvm/ExecutionEngine/RuntimeDyld.h33
1 files changed, 22 insertions, 11 deletions
diff --git a/include/llvm/ExecutionEngine/RuntimeDyld.h b/include/llvm/ExecutionEngine/RuntimeDyld.h
index 724b9f0..54c28f3 100644
--- a/include/llvm/ExecutionEngine/RuntimeDyld.h
+++ b/include/llvm/ExecutionEngine/RuntimeDyld.h
@@ -35,15 +35,18 @@ public:
RTDyldMemoryManager() {}
virtual ~RTDyldMemoryManager();
- // Allocate ActualSize bytes, or more, for the named function. Return
- // a pointer to the allocated memory and update Size to reflect how much
- // memory was acutally allocated.
- virtual uint8_t *startFunctionBody(const char *Name, uintptr_t &Size) = 0;
+ /// allocateCodeSection - Allocate a memory block of (at least) the given
+ /// size suitable for executable code.
+ virtual uint8_t *allocateCodeSection(uintptr_t Size, unsigned Alignment,
+ unsigned SectionID) = 0;
- // Mark the end of the function, including how much of the allocated
- // memory was actually used.
- virtual void endFunctionBody(const char *Name, uint8_t *FunctionStart,
- uint8_t *FunctionEnd) = 0;
+ /// allocateDataSection - Allocate a memory block of (at least) the given
+ /// size suitable for data.
+ virtual uint8_t *allocateDataSection(uintptr_t Size, unsigned Alignment,
+ unsigned SectionID) = 0;
+
+ virtual void *getPointerToNamedFunction(const std::string &Name,
+ bool AbortOnFailure = true) = 0;
};
class RuntimeDyld {
@@ -54,6 +57,10 @@ class RuntimeDyld {
// interface.
RuntimeDyldImpl *Dyld;
RTDyldMemoryManager *MM;
+protected:
+ // Change the address associated with a section when resolving relocations.
+ // Any relocations already associated with the symbol will be re-resolved.
+ void reassignSectionAddress(unsigned SectionID, uint64_t Addr);
public:
RuntimeDyld(RTDyldMemoryManager*);
~RuntimeDyld();
@@ -65,9 +72,13 @@ public:
void *getSymbolAddress(StringRef Name);
// Resolve the relocations for all symbols we currently know about.
void resolveRelocations();
- // Change the address associated with a symbol when resolving relocations.
- // Any relocations already associated with the symbol will be re-resolved.
- void reassignSymbolAddress(StringRef Name, uint8_t *Addr);
+
+ /// mapSectionAddress - map a section to its target address space value.
+ /// Map the address of a JIT section as returned from the memory manager
+ /// to the address in the target process as the running code will see it.
+ /// This is the address which will be used for relocation resolution.
+ void mapSectionAddress(void *LocalAddress, uint64_t TargetAddress);
+
StringRef getErrorString();
};
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