6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
70 lines
2.8 KiB
C++
70 lines
2.8 KiB
C++
//===- lld/Common/Driver.h - Linker Driver Emulator -----------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLD_COMMON_DRIVER_H
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#define LLD_COMMON_DRIVER_H
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#include "llvm/ADT/ArrayRef.h"
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#include "llvm/Support/raw_ostream.h"
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namespace lld {
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enum Flavor {
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Invalid,
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Gnu, // -flavor gnu
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MinGW, // -flavor gnu MinGW
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WinLink, // -flavor link
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Darwin, // -flavor darwin
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Wasm, // -flavor wasm
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};
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using Driver = bool (*)(llvm::ArrayRef<const char *>, llvm::raw_ostream &,
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llvm::raw_ostream &, bool, bool);
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struct DriverDef {
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Flavor f;
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Driver d;
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};
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struct Result {
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int retCode;
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bool canRunAgain;
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};
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// Generic entry point when using LLD as a library, safe for re-entry, supports
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// crash recovery. Returns a general completion code and a boolean telling
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// whether it can be called again. In some cases, a crash could corrupt memory
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// and re-entry would not be possible anymore. Use exitLld() in that case to
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// properly exit your application and avoid intermittent crashes on exit caused
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// by cleanup.
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Result lldMain(llvm::ArrayRef<const char *> args, llvm::raw_ostream &stdoutOS,
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llvm::raw_ostream &stderrOS, llvm::ArrayRef<DriverDef> drivers);
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} // namespace lld
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// With this macro, library users must specify which drivers they use, provide
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// that information to lldMain() in the `drivers` param, and link the
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// corresponding driver library in their executable.
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#define LLD_HAS_DRIVER(name) \
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namespace lld { \
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namespace name { \
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bool link(llvm::ArrayRef<const char *> args, llvm::raw_ostream &stdoutOS, \
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llvm::raw_ostream &stderrOS, bool exitEarly, bool disableOutput); \
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} \
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}
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// An array which declares that all LLD drivers are linked in your executable.
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// Must be used along with LLD_HAS_DRIVERS. See examples in LLD unittests.
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#define LLD_ALL_DRIVERS \
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{ \
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{lld::WinLink, &lld::coff::link}, {lld::Gnu, &lld::elf::link}, \
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{lld::MinGW, &lld::mingw::link}, {lld::Darwin, &lld::macho::link}, { \
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lld::Wasm, &lld::wasm::link \
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} \
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}
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#endif
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