136 lines
3.9 KiB
C++
136 lines
3.9 KiB
C++
#include "rust_internal.h"
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struct
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command_line_args : public kernel_owned<command_line_args>
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{
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rust_kernel *kernel;
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rust_task *task;
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int argc;
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char **argv;
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// [str] passed to rust_task::start.
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rust_vec *args;
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command_line_args(rust_task *task,
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int sys_argc,
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char **sys_argv)
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: kernel(task->kernel),
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task(task),
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argc(sys_argc),
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argv(sys_argv)
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{
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#if defined(__WIN32__)
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LPCWSTR cmdline = GetCommandLineW();
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LPWSTR *wargv = CommandLineToArgvW(cmdline, &argc);
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kernel->win32_require("CommandLineToArgvW", wargv != NULL);
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argv = (char **) kernel->malloc(sizeof(char*) * argc,
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"win32 command line");
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for (int i = 0; i < argc; ++i) {
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int n_chars = WideCharToMultiByte(CP_UTF8, 0, wargv[i], -1,
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NULL, 0, NULL, NULL);
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kernel->win32_require("WideCharToMultiByte(0)", n_chars != 0);
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argv[i] = (char *) kernel->malloc(n_chars,
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"win32 command line arg");
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n_chars = WideCharToMultiByte(CP_UTF8, 0, wargv[i], -1,
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argv[i], n_chars, NULL, NULL);
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kernel->win32_require("WideCharToMultiByte(1)", n_chars != 0);
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}
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LocalFree(wargv);
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#endif
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args = (rust_vec *)
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kernel->malloc(vec_size<rust_vec*>(argc),
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"command line arg interior");
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args->fill = args->alloc = sizeof(rust_vec*) * argc;
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for (int i = 0; i < argc; ++i) {
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rust_vec *str = make_istr(kernel, argv[i],
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strlen(argv[i]),
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"command line arg");
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((rust_vec**)&args->data)[i] = str;
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}
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}
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~command_line_args() {
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for (int i = 0; i < argc; ++i) {
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rust_vec *s = ((rust_vec**)&args->data)[i];
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kernel->free(s);
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}
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kernel->free(args);
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#ifdef __WIN32__
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for (int i = 0; i < argc; ++i) {
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kernel->free(argv[i]);
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}
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kernel->free(argv);
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#endif
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}
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};
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// FIXME: Transitional. Please remove.
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extern "C" CDECL void
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set_main_takes_istr(uintptr_t flag) {
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}
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/**
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* Main entry point into the Rust runtime. Here we create a Rust service,
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* initialize the kernel, create the root domain and run it.
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*/
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int check_claims = 0;
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extern "C" CDECL int
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rust_start(uintptr_t main_fn, int argc, char **argv,
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void* crate_map) {
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rust_env *env = load_env();
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update_log_settings(crate_map, env->logspec);
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check_claims = env->check_claims;
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rust_srv *srv = new rust_srv(env);
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rust_kernel *kernel = new rust_kernel(srv, env->num_sched_threads);
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rust_task_id root_id = kernel->create_task(NULL, "main");
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rust_task *root_task = kernel->get_task_by_id(root_id);
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I(kernel, root_task != NULL);
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rust_scheduler *sched = root_task->sched;
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command_line_args *args
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= new (kernel, "main command line args")
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command_line_args(root_task, argc, argv);
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DLOG(sched, dom, "startup: %d args in 0x%" PRIxPTR,
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args->argc, (uintptr_t)args->args);
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for (int i = 0; i < args->argc; i++) {
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DLOG(sched, dom, "startup: arg[%d] = '%s'", i, args->argv[i]);
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}
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root_task->start(main_fn, (uintptr_t)args->args);
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root_task->deref();
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root_task = NULL;
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int ret = kernel->start_task_threads();
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delete args;
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delete kernel;
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delete srv;
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free_env(env);
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#if !defined(__WIN32__)
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// Don't take down the process if the main thread exits without an
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// error.
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if (!ret)
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pthread_exit(NULL);
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#endif
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return ret;
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}
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//
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// Local Variables:
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// mode: C++
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// fill-column: 78;
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// indent-tabs-mode: nil
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// c-basic-offset: 4
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// buffer-file-coding-system: utf-8-unix
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// compile-command: "make -k -C $RBUILD 2>&1 | sed -e 's/\\/x\\//x:\\//g'";
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// End:
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//
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