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46 lines
1.8 KiB
C
46 lines
1.8 KiB
C
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//===---- RemoteTargetMessage.h - LLI out-of-process message protocol -----===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// Definition of the LLIMessageType enum which is used for communication with a
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// child process for remote execution.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLI_REMOTETARGETMESSAGE_H
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#define LLI_REMOTETARGETMESSAGE_H
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namespace llvm {
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// LLI messages from parent-to-child or vice versa follow an exceedingly simple
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// protocol where the first four bytes represent the message type, the next
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// four bytes represent the size of data for the command and following bytes
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// represent the actual data.
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//
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// The protocol is not intended to be robust, secure or fault-tolerant. It is
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// only here for testing purposes and is therefore intended to be the simplest
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// implementation that will work. It is assumed that the parent and child
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// share characteristics like endianness.
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enum LLIMessageType {
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LLI_Error = -1,
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LLI_ChildActive = 0, // Data = not used
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LLI_AllocateSpace, // Data = struct { uint_32t Align, uint_32t Size }
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LLI_AllocationResult, // Data = uint64_t AllocAddress (in Child memory space)
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LLI_LoadCodeSection, // Data = uint32_t Addr, followed by section contests
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LLI_LoadDataSection, // Data = uint32_t Addr, followed by section contents
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LLI_LoadComplete, // Data = not used
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LLI_Execute, // Data = Address of function to execute
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LLI_ExecutionResult, // Data = uint64_t Result
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LLI_Terminate // Data = not used
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};
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} // end namespace llvm
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#endif
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