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UserspaceEmulator: Pass arguments through to emulated process

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Ultimately we'll want to support passing some options to the emulator
as well, but for now just pass all arguments (except argv[0] of course)
through to the emulated process.

This is still not perfect, but slightly better than what we had before.
This commit is contained in:
Andreas Kling 2020-07-13 11:22:50 +02:00
parent 3d42b85969
commit 27c1690504
3 changed files with 28 additions and 18 deletions
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18
DevTools/UserspaceEmulator/main.cpp
View file

@ -30,14 +30,17 @@
#include <AK/MappedFile.h>
#include <LibCore/ArgsParser.h>
#include <LibELF/Loader.h>
#include <getopt.h>
int main(int argc, char** argv)
{
const char* executable_path = nullptr;
if (argc == 1) {
out() << "usage: UserspaceEmulator <command>";
return 0;
}
Core::ArgsParser args_parser;
args_parser.add_positional_argument(executable_path, "Executable path", "executable");
args_parser.parse(argc, argv);
// 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()) {
@ -47,7 +50,12 @@ int main(int argc, char** argv)
auto elf = ELF::Loader::create((const u8*)mapped_file.data(), mapped_file.size());
UserspaceEmulator::Emulator emulator(executable_path, move(elf));
Vector<String> arguments;
for (int i = 1; i < argc; ++i) {
arguments.append(argv[i]);
}
UserspaceEmulator::Emulator emulator(arguments, move(elf));
if (!emulator.load_elf())
return 1;