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/*-------------------------------------------------------------------------
* llvmjit.h
* LLVM JIT provider.
*
* Copyright (c) 2016-2018, PostgreSQL Global Development Group
*
* src/include/jit/llvmjit.h
*
*-------------------------------------------------------------------------
*/
#ifndef LLVMJIT_H
#define LLVMJIT_H
#ifndef USE_LLVM
#error "llvmjit.h should only be included by code dealing with llvm"
#endif
#include <llvm-c/Types.h>
/*
* File needs to be includable by both C and C++ code, and include other
* headers doing the same. Therefore wrap C portion in our own extern "C" if
* in C++ mode.
*/
#ifdef __cplusplus
extern "C"
{
#endif
#include "jit/jit.h"
#include "nodes/pg_list.h"
typedef struct LLVMJitContext
{
JitContext base;
/* number of modules created */
size_t module_generation;
/* current, "open for write", module */
LLVMModuleRef module;
/* is there any pending code that needs to be emitted */
bool compiled;
/* # of objects emitted, used to generate non-conflicting names */
int counter;
/* list of handles for code emitted via Orc */
List *handles;
} LLVMJitContext;
/* type and struct definitions */
extern LLVMTypeRef TypeSizeT;
extern LLVMTypeRef TypePGFunction;
extern LLVMTypeRef StructtupleDesc;
extern LLVMTypeRef StructHeapTupleData;
extern LLVMTypeRef StructTupleTableSlot;
extern LLVMTypeRef StructMemoryContextData;
extern LLVMTypeRef StructFunctionCallInfoData;
extern LLVMTypeRef StructExprContext;
extern LLVMTypeRef StructExprEvalStep;
extern LLVMTypeRef StructExprState;
extern LLVMTypeRef StructAggState;
extern LLVMTypeRef StructAggStatePerTransData;
extern LLVMTypeRef StructAggStatePerGroupData;
extern LLVMValueRef AttributeTemplate;
extern LLVMValueRef FuncStrlen;
extern LLVMValueRef FuncSlotGetsomeattrs;
extern LLVMValueRef FuncHeapGetsysattr;
extern LLVMValueRef FuncMakeExpandedObjectReadOnlyInternal;
extern LLVMValueRef FuncExecEvalArrayRefSubscript;
extern LLVMValueRef FuncExecAggTransReparent;
extern LLVMValueRef FuncExecAggInitGroup;
extern void llvm_enter_fatal_on_oom(void);
extern void llvm_leave_fatal_on_oom(void);
extern void llvm_reset_after_error(void);
extern void llvm_assert_in_fatal_section(void);
extern LLVMJitContext *llvm_create_context(int jitFlags);
extern LLVMModuleRef llvm_mutable_module(LLVMJitContext *context);
extern char *llvm_expand_funcname(LLVMJitContext *context, const char *basename);
extern void *llvm_get_function(LLVMJitContext *context, const char *funcname);
extern void llvm_split_symbol_name(const char *name, char **modname, char **funcname);
extern LLVMValueRef llvm_get_decl(LLVMModuleRef mod, LLVMValueRef f);
extern void llvm_copy_attributes(LLVMValueRef from, LLVMValueRef to);
/*
****************************************************************************
* Extensions / Backward compatibility section of the LLVM C API
* Error handling related functions.
****************************************************************************
*/
#if defined(HAVE_DECL_LLVMGETHOSTCPUNAME) && !HAVE_DECL_LLVMGETHOSTCPUNAME
/** Get the host CPU as a string. The result needs to be disposed with
LLVMDisposeMessage. */
extern char *LLVMGetHostCPUName(void);
#endif
/** Get the host CPU features as a string. The result needs to be disposed
with LLVMDisposeMessage. */
extern char *LLVMGetHostCPUFeatures(void);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* LLVMJIT_H */
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