mirror of https://github.com/postgres/postgres
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
66 lines
1.8 KiB
66 lines
1.8 KiB
/*-------------------------------------------------------------------------
|
|
*
|
|
* llvmjit_wrap.cpp
|
|
* Parts of the LLVM interface not (yet) exposed to C.
|
|
*
|
|
* Copyright (c) 2016-2025, PostgreSQL Global Development Group
|
|
*
|
|
* IDENTIFICATION
|
|
* src/backend/lib/llvm/llvmjit_wrap.cpp
|
|
*
|
|
*-------------------------------------------------------------------------
|
|
*/
|
|
|
|
extern "C"
|
|
{
|
|
#include "postgres.h"
|
|
}
|
|
|
|
#include <llvm-c/Core.h>
|
|
#include <llvm/IR/Function.h>
|
|
|
|
#include "jit/llvmjit.h"
|
|
#include "jit/llvmjit_backport.h"
|
|
|
|
#ifdef USE_LLVM_BACKPORT_SECTION_MEMORY_MANAGER
|
|
#include <llvm/ExecutionEngine/Orc/RTDyldObjectLinkingLayer.h>
|
|
#include <llvm/ExecutionEngine/SectionMemoryManager.h>
|
|
#include "jit/SectionMemoryManager.h"
|
|
#include <llvm/Support/CBindingWrapping.h>
|
|
#endif
|
|
|
|
|
|
/*
|
|
* C-API extensions.
|
|
*/
|
|
|
|
LLVMTypeRef
|
|
LLVMGetFunctionReturnType(LLVMValueRef r)
|
|
{
|
|
return llvm::wrap(llvm::unwrap<llvm::Function>(r)->getReturnType());
|
|
}
|
|
|
|
LLVMTypeRef
|
|
LLVMGetFunctionType(LLVMValueRef r)
|
|
{
|
|
return llvm::wrap(llvm::unwrap<llvm::Function>(r)->getFunctionType());
|
|
}
|
|
|
|
#ifdef USE_LLVM_BACKPORT_SECTION_MEMORY_MANAGER
|
|
DEFINE_SIMPLE_CONVERSION_FUNCTIONS(llvm::orc::ExecutionSession, LLVMOrcExecutionSessionRef)
|
|
DEFINE_SIMPLE_CONVERSION_FUNCTIONS(llvm::orc::ObjectLayer, LLVMOrcObjectLayerRef);
|
|
|
|
LLVMOrcObjectLayerRef
|
|
LLVMOrcCreateRTDyldObjectLinkingLayerWithSafeSectionMemoryManager(LLVMOrcExecutionSessionRef ES)
|
|
{
|
|
#if LLVM_VERSION_MAJOR >= 21
|
|
return wrap(new llvm::orc::RTDyldObjectLinkingLayer(
|
|
*unwrap(ES), [](const llvm::MemoryBuffer&) {
|
|
return std::make_unique<llvm::backport::SectionMemoryManager>(nullptr, true);
|
|
}));
|
|
#else
|
|
return wrap(new llvm::orc::RTDyldObjectLinkingLayer(
|
|
*unwrap(ES), [] { return std::make_unique<llvm::backport::SectionMemoryManager>(nullptr, true); }));
|
|
#endif
|
|
}
|
|
#endif
|
|
|