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authorFilip Pizlo <fpizlo@apple.com>2013-05-21 20:17:14 +0000
committerFilip Pizlo <fpizlo@apple.com>2013-05-21 20:17:14 +0000
commit50f19a906a9d5e42d7707b54a11c0f0c9265fc1f (patch)
tree7fab8692dbd8b536525b99af03b9653a328e0b3a /include
parentf90492105916c8bf238ad789fc6bdd84c58cf5f2 (diff)
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Roll out r182411 and 182412 because it's still broken.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182415 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include')
-rw-r--r--include/llvm/ExecutionEngine/RTDyldMemoryManager.h76
-rw-r--r--include/llvm/ExecutionEngine/RuntimeDyld.h53
-rw-r--r--include/llvm/ExecutionEngine/SectionMemoryManager.h11
3 files changed, 63 insertions, 77 deletions
diff --git a/include/llvm/ExecutionEngine/RTDyldMemoryManager.h b/include/llvm/ExecutionEngine/RTDyldMemoryManager.h
deleted file mode 100644
index 2e1fc56512..0000000000
--- a/include/llvm/ExecutionEngine/RTDyldMemoryManager.h
+++ /dev/null
@@ -1,76 +0,0 @@
-//===-- RTDyldMemoryManager.cpp - Memory manager for MC-JIT -----*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// Interface of the runtime dynamic memory manager base class.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_EXECUTIONENGINE_RT_DYLD_MEMORY_MANAGER_H
-#define LLVM_EXECUTIONENGINE_RT_DYLD_MEMORY_MANAGER_H
-
-#include "llvm/ADT/StringRef.h"
-#include "llvm/Support/CBindingWrapping.h"
-#include "llvm/Support/Memory.h"
-#include "llvm-c/ExecutionEngine.h"
-
-namespace llvm {
-
-// RuntimeDyld clients often want to handle the memory management of
-// what gets placed where. For JIT clients, this is the subset of
-// JITMemoryManager required for dynamic loading of binaries.
-//
-// FIXME: As the RuntimeDyld fills out, additional routines will be needed
-// for the varying types of objects to be allocated.
-class RTDyldMemoryManager {
- RTDyldMemoryManager(const RTDyldMemoryManager&) LLVM_DELETED_FUNCTION;
- void operator=(const RTDyldMemoryManager&) LLVM_DELETED_FUNCTION;
-public:
- RTDyldMemoryManager() {}
- virtual ~RTDyldMemoryManager();
-
- /// Allocate a memory block of (at least) the given size suitable for
- /// executable code. The SectionID is a unique identifier assigned by the JIT
- /// engine, and optionally recorded by the memory manager to access a loaded
- /// section.
- virtual uint8_t *allocateCodeSection(uintptr_t Size, unsigned Alignment,
- unsigned SectionID) = 0;
-
- /// Allocate a memory block of (at least) the given size suitable for data.
- /// The SectionID is a unique identifier assigned by the JIT engine, and
- /// optionally recorded by the memory manager to access a loaded section.
- virtual uint8_t *allocateDataSection(uintptr_t Size, unsigned Alignment,
- unsigned SectionID, bool IsReadOnly) = 0;
-
- /// Register the EH frames with the runtime so that c++ exceptions work.
- virtual void registerEHFrames(StringRef SectionData);
-
- /// This method returns the address of the specified function. As such it is
- /// only useful for resolving library symbols, not code generated symbols.
- ///
- /// If \p AbortOnFailure is false and no function with the given name is
- /// found, this function returns a null pointer. Otherwise, it prints a
- /// message to stderr and aborts.
- virtual void *getPointerToNamedFunction(const std::string &Name,
- bool AbortOnFailure = true);
-
- /// This method is called when object loading is complete and section page
- /// permissions can be applied. It is up to the memory manager implementation
- /// to decide whether or not to act on this method. The memory manager will
- /// typically allocate all sections as read-write and then apply specific
- /// permissions when this method is called. Code sections cannot be executed
- /// until this function has been called. In addition, any cache coherency
- /// operations needed to reliably use the memory are also performed.
- ///
- /// Returns true if an error occurred, false otherwise.
- virtual bool finalizeMemory(std::string *ErrMsg = 0) = 0;
-};
-
-} // namespace llvm
-
-#endif // LLVM_EXECUTIONENGINE_RT_DYLD_MEMORY_MANAGER_H
diff --git a/include/llvm/ExecutionEngine/RuntimeDyld.h b/include/llvm/ExecutionEngine/RuntimeDyld.h
index 1a573171a4..7dba040961 100644
--- a/include/llvm/ExecutionEngine/RuntimeDyld.h
+++ b/include/llvm/ExecutionEngine/RuntimeDyld.h
@@ -16,7 +16,6 @@
#include "llvm/ADT/StringRef.h"
#include "llvm/ExecutionEngine/ObjectBuffer.h"
-#include "llvm/ExecutionEngine/RTDyldMemoryManager.h"
#include "llvm/Support/Memory.h"
namespace llvm {
@@ -24,6 +23,58 @@ namespace llvm {
class RuntimeDyldImpl;
class ObjectImage;
+// RuntimeDyld clients often want to handle the memory management of
+// what gets placed where. For JIT clients, this is the subset of
+// JITMemoryManager required for dynamic loading of binaries.
+//
+// FIXME: As the RuntimeDyld fills out, additional routines will be needed
+// for the varying types of objects to be allocated.
+class RTDyldMemoryManager {
+ RTDyldMemoryManager(const RTDyldMemoryManager&) LLVM_DELETED_FUNCTION;
+ void operator=(const RTDyldMemoryManager&) LLVM_DELETED_FUNCTION;
+public:
+ RTDyldMemoryManager() {}
+ virtual ~RTDyldMemoryManager();
+
+ /// Allocate a memory block of (at least) the given size suitable for
+ /// executable code. The SectionID is a unique identifier assigned by the JIT
+ /// engine, and optionally recorded by the memory manager to access a loaded
+ /// section.
+ virtual uint8_t *allocateCodeSection(uintptr_t Size, unsigned Alignment,
+ unsigned SectionID) = 0;
+
+ /// Allocate a memory block of (at least) the given size suitable for data.
+ /// The SectionID is a unique identifier assigned by the JIT engine, and
+ /// optionally recorded by the memory manager to access a loaded section.
+ virtual uint8_t *allocateDataSection(uintptr_t Size, unsigned Alignment,
+ unsigned SectionID, bool IsReadOnly) = 0;
+
+ /// This method returns the address of the specified function. As such it is
+ /// only useful for resolving library symbols, not code generated symbols.
+ ///
+ /// If AbortOnFailure is false and no function with the given name is
+ /// found, this function returns a null pointer. Otherwise, it prints a
+ /// message to stderr and aborts.
+ virtual void *getPointerToNamedFunction(const std::string &Name,
+ bool AbortOnFailure = true) = 0;
+
+ /// This method is called when object loading is complete and section page
+ /// permissions can be applied. It is up to the memory manager implementation
+ /// to decide whether or not to act on this method. The memory manager will
+ /// typically allocate all sections as read-write and then apply specific
+ /// permissions when this method is called. Code sections cannot be executed
+ /// until this function has been called. In addition, any cache coherency
+ /// operations needed to reliably use the memory are also performed.
+ ///
+ /// Returns true if an error occurred, false otherwise.
+ virtual bool finalizeMemory(std::string *ErrMsg = 0) = 0;
+
+ /// Register the EH frames with the runtime so that c++ exceptions work. The
+ /// default implementation does nothing. Look at SectionMemoryManager for one
+ /// that uses __register_frame.
+ virtual void registerEHFrames(StringRef SectionData);
+};
+
class RuntimeDyld {
RuntimeDyld(const RuntimeDyld &) LLVM_DELETED_FUNCTION;
void operator=(const RuntimeDyld &) LLVM_DELETED_FUNCTION;
diff --git a/include/llvm/ExecutionEngine/SectionMemoryManager.h b/include/llvm/ExecutionEngine/SectionMemoryManager.h
index 6ee2a2aae5..fc8dacfcc0 100644
--- a/include/llvm/ExecutionEngine/SectionMemoryManager.h
+++ b/include/llvm/ExecutionEngine/SectionMemoryManager.h
@@ -73,6 +73,17 @@ public:
/// \returns true if an error occurred, false otherwise.
virtual bool finalizeMemory(std::string *ErrMsg = 0);
+ void registerEHFrames(StringRef SectionData);
+
+ /// This method returns the address of the specified function. As such it is
+ /// only useful for resolving library symbols, not code generated symbols.
+ ///
+ /// If \p AbortOnFailure is false and no function with the given name is
+ /// found, this function returns a null pointer. Otherwise, it prints a
+ /// message to stderr and aborts.
+ virtual void *getPointerToNamedFunction(const std::string &Name,
+ bool AbortOnFailure = true);
+
/// \brief Invalidate instruction cache for code sections.
///
/// Some platforms with separate data cache and instruction cache require