c9c5ee252a
Vectors are now similar to our old, pre-internal vectors, except that they are uniquely owned, not refcounted. Their name should probably change too, then. I've renamed them to vec in the runtime, will do so throughout the compiler later.
141 lines
4.3 KiB
C++
141 lines
4.3 KiB
C++
#include "rust_internal.h"
|
|
|
|
struct
|
|
command_line_args : public kernel_owned<command_line_args>
|
|
{
|
|
rust_kernel *kernel;
|
|
rust_task *task;
|
|
int argc;
|
|
char **argv;
|
|
rust_str **strs;
|
|
|
|
// [str] passed to rust_task::start.
|
|
rust_vec *args;
|
|
|
|
command_line_args(rust_task *task,
|
|
int sys_argc,
|
|
char **sys_argv)
|
|
: kernel(task->kernel),
|
|
task(task),
|
|
argc(sys_argc),
|
|
argv(sys_argv)
|
|
{
|
|
#if defined(__WIN32__)
|
|
LPCWSTR cmdline = GetCommandLineW();
|
|
LPWSTR *wargv = CommandLineToArgvW(cmdline, &argc);
|
|
kernel->win32_require("CommandLineToArgvW", wargv != NULL);
|
|
argv = (char **) kernel->malloc(sizeof(char*) * argc,
|
|
"win32 command line");
|
|
for (int i = 0; i < argc; ++i) {
|
|
int n_chars = WideCharToMultiByte(CP_UTF8, 0, wargv[i], -1,
|
|
NULL, 0, NULL, NULL);
|
|
kernel->win32_require("WideCharToMultiByte(0)", n_chars != 0);
|
|
argv[i] = (char *) kernel->malloc(n_chars,
|
|
"win32 command line arg");
|
|
n_chars = WideCharToMultiByte(CP_UTF8, 0, wargv[i], -1,
|
|
argv[i], n_chars, NULL, NULL);
|
|
kernel->win32_require("WideCharToMultiByte(1)", n_chars != 0);
|
|
}
|
|
LocalFree(wargv);
|
|
#endif
|
|
size_t vec_fill = sizeof(rust_str *) * argc;
|
|
size_t vec_alloc = next_power_of_two(vec_fill);
|
|
void *mem = kernel->malloc(vec_alloc, "command line");
|
|
strs = (rust_str**) mem;
|
|
for (int i = 0; i < argc; ++i) {
|
|
size_t str_fill = strlen(argv[i]) + 1;
|
|
size_t str_alloc = next_power_of_two(sizeof(rust_str) + str_fill);
|
|
mem = kernel->malloc(str_alloc, "command line arg");
|
|
strs[i] = new (mem) rust_str(str_alloc, str_fill,
|
|
(uint8_t const *)argv[i]);
|
|
strs[i]->ref_count++;
|
|
}
|
|
|
|
args = (rust_vec *)
|
|
kernel->malloc(vec_size<rust_str*>(argc),
|
|
"command line arg interior");
|
|
args->fill = args->alloc = sizeof(rust_str *) * argc;
|
|
// NB: _rust_main owns the vec and will be responsible for
|
|
// freeing it
|
|
memcpy(&args->data[0], strs, args->fill);
|
|
}
|
|
|
|
~command_line_args() {
|
|
kernel->free(args);
|
|
for (int i = 0; i < argc; ++i)
|
|
kernel->free(strs[i]);
|
|
kernel->free(strs);
|
|
|
|
#ifdef __WIN32__
|
|
for (int i = 0; i < argc; ++i) {
|
|
kernel->free(argv[i]);
|
|
}
|
|
kernel->free(argv);
|
|
#endif
|
|
}
|
|
};
|
|
|
|
|
|
/**
|
|
* Main entry point into the Rust runtime. Here we create a Rust service,
|
|
* initialize the kernel, create the root domain and run it.
|
|
*/
|
|
|
|
int check_claims = 0;
|
|
|
|
extern "C" CDECL int
|
|
rust_start(uintptr_t main_fn, int argc, char **argv,
|
|
void* crate_map) {
|
|
|
|
rust_env *env = load_env();
|
|
|
|
update_log_settings(crate_map, env->logspec);
|
|
check_claims = env->check_claims;
|
|
|
|
rust_srv *srv = new rust_srv(env);
|
|
rust_kernel *kernel = new rust_kernel(srv, env->num_sched_threads);
|
|
rust_task_id root_id = kernel->create_task(NULL, "main");
|
|
rust_task *root_task = kernel->get_task_by_id(root_id);
|
|
I(kernel, root_task != NULL);
|
|
rust_scheduler *sched = root_task->sched;
|
|
command_line_args *args
|
|
= new (kernel, "main command line args")
|
|
command_line_args(root_task, argc, argv);
|
|
|
|
DLOG(sched, dom, "startup: %d args in 0x%" PRIxPTR,
|
|
args->argc, (uintptr_t)args->args);
|
|
for (int i = 0; i < args->argc; i++) {
|
|
DLOG(sched, dom, "startup: arg[%d] = '%s'", i, args->argv[i]);
|
|
}
|
|
|
|
root_task->start(main_fn, (uintptr_t)args->args);
|
|
root_task->deref();
|
|
root_task = NULL;
|
|
|
|
int ret = kernel->start_task_threads();
|
|
delete args;
|
|
delete kernel;
|
|
delete srv;
|
|
|
|
free_env(env);
|
|
|
|
#if !defined(__WIN32__)
|
|
// Don't take down the process if the main thread exits without an
|
|
// error.
|
|
if (!ret)
|
|
pthread_exit(NULL);
|
|
#endif
|
|
return ret;
|
|
}
|
|
|
|
//
|
|
// Local Variables:
|
|
// mode: C++
|
|
// fill-column: 78;
|
|
// indent-tabs-mode: nil
|
|
// c-basic-offset: 4
|
|
// buffer-file-coding-system: utf-8-unix
|
|
// compile-command: "make -k -C $RBUILD 2>&1 | sed -e 's/\\/x\\//x:\\//g'";
|
|
// End:
|
|
//
|