mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-22 07:32:48 +00:00
fe6b146dcd
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31927 91177308-0d34-0410-b5e6-96231b3b80d8
58 lines
2.2 KiB
C++
58 lines
2.2 KiB
C++
//===- SystemUtils.cpp - Utilities for low-level system tasks -------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file was developed by the LLVM research group and is distributed under
|
|
// the University of Illinois Open Source License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file contains functions used to do a variety of low-level, often
|
|
// system-specific, tasks.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/Support/Streams.h"
|
|
#include "llvm/Support/SystemUtils.h"
|
|
#include "llvm/System/Process.h"
|
|
#include "llvm/System/Program.h"
|
|
#include <iostream>
|
|
using namespace llvm;
|
|
|
|
bool llvm::CheckBytecodeOutputToConsole(std::ostream* stream_to_check,
|
|
bool print_warning) {
|
|
if (stream_to_check == &std::cout && sys::Process::StandardOutIsDisplayed()) {
|
|
if (print_warning) {
|
|
llvm_cerr << "WARNING: You're attempting to print out a bytecode file.\n"
|
|
<< "This is inadvisable as it may cause display problems. If\n"
|
|
<< "you REALLY want to taste LLVM bytecode first-hand, you\n"
|
|
<< "can force output with the `-f' option.\n\n";
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/// FindExecutable - Find a named executable, giving the argv[0] of program
|
|
/// being executed. This allows us to find another LLVM tool if it is built
|
|
/// into the same directory, but that directory is neither the current
|
|
/// directory, nor in the PATH. If the executable cannot be found, return an
|
|
/// empty string.
|
|
///
|
|
#undef FindExecutable // needed on windows :(
|
|
sys::Path llvm::FindExecutable(const std::string &ExeName,
|
|
const std::string &ProgramPath) {
|
|
// First check the directory that the calling program is in. We can do this
|
|
// if ProgramPath contains at least one / character, indicating that it is a
|
|
// relative path to bugpoint itself.
|
|
sys::Path Result ( ProgramPath );
|
|
Result.eraseComponent();
|
|
if (!Result.isEmpty()) {
|
|
Result.appendComponent(ExeName);
|
|
if (Result.canExecute())
|
|
return Result;
|
|
}
|
|
|
|
return sys::Program::FindProgramByName(ExeName);
|
|
}
|