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/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "Emulator.h"
#include "SoftCPU.h"
#include <AK/LexicalPath.h>
#include <AK/LogStream.h>
#include <AK/MappedFile.h>
#include <AK/StringBuilder.h>
#include <LibCore/ArgsParser.h>
#include <LibELF/Loader.h>
#include <getopt.h>
#include <pthread.h>
#include <string.h>
int main(int argc, char** argv, char** env)
{
if (argc == 1) {
out() << "usage: UserspaceEmulator <command>";
return 0;
}
// FIXME: Allow specifying any command in $PATH instead of requiring a full executable path.
const char* executable_path = argv[1];
MappedFile mapped_file(executable_path);
if (!mapped_file.is_valid()) {
warn() << "Unable to map " << executable_path;
return 1;
}
auto elf = ELF::Loader::create((const u8*)mapped_file.data(), mapped_file.size());
Vector<String> arguments;
for (int i = 1; i < argc; ++i) {
arguments.append(argv[i]);
}
Vector<String> environment;
for (int i = 0; env[i]; ++i) {
environment.append(env[i]);
}
UserspaceEmulator::Emulator emulator(arguments, environment, move(elf));
if (!emulator.load_elf())
return 1;
StringBuilder builder;
builder.append("(UE) ");
builder.append(LexicalPath(arguments[0]).basename());
if (set_process_name(builder.string_view().characters_without_null_termination(), builder.string_view().length()) < 0) {
perror("set_process_name");
return 1;
}
int rc = pthread_setname_np(pthread_self(), builder.to_string().characters());
if (rc != 0) {
fprintf(stderr, "pthread_setname_np: %s\n", strerror(rc));
return 1;
}
return emulator.exec();
}
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