gemstone/dep/lldcl/lldcl.cpp

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//
// Created by servostar on 6/8/24.
//
// based on: https://github.com/llvm/llvm-project/blob/main/lld/unittests/AsLibAll/AllDrivers.cpp
// https://github.com/numba/llvmlite/blob/main/ffi/linker.cpp
#include <lld/Common/Driver.h>
#include <llvm/Support/raw_ostream.h>
/*
* Gemstone supports Windows (COFF, MinGW) and GNU/Linux (ELF)
*/
LLD_HAS_DRIVER(coff)
LLD_HAS_DRIVER(elf)
LLD_HAS_DRIVER(mingw)
// LLD_HAS_DRIVER(macho)
// LLD_HAS_DRIVER(wasm)
#define LLD_COFF_ELF_MINGW_DRIVER { {lld::WinLink, &lld::coff::link}, {lld::Gnu, &lld::elf::link}, {lld::MinGW, &lld::mingw::link} }
extern "C" {
/**
* @brief C-wrapper for lldMain which is written in C++
* @param Argc
* @param Argv
* @param outstr
* @return
*/
int lld_main(int Argc, const char **Argv, const char **outstr) {
// StdOut
std::string stdout;
llvm::raw_string_ostream stdout_stream(stdout);
// StdErr
std::string stderr;
llvm::raw_string_ostream stderr_stream(stderr);
// convert arguments
std::vector<const char *> Args(Argv, Argv + Argc);
lld::Result result = lld::lldMain(Args, stdout_stream, stderr_stream, LLD_COFF_ELF_MINGW_DRIVER);
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*outstr = strdup(stderr.append(stdout).c_str());
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return !result.retCode && result.canRunAgain;
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}
} // extern "C"