static void
get_file_args(char *filename, argv_buf *abp, argv_buf *xabp)
{
argv_stack stck;
int i;
char **argv;
ARGV_STACK_INIT(&stck);
i = 0;
argv = read_args_file(filename);
while (argv) {
while (argv[i]) {
if (strcmp(argv[i], "-args_file") == 0) {
char **new_argv;
char *fname;
if (!argv[++i])
usage("-args_file");
fname = argv[i++];
new_argv = read_args_file(fname);
if (new_argv) {
if (argv[i])
push_argv(&stck, argv, i);
else
efree(argv);
i = 0;
argv = new_argv;
}
}
else {
if (strcmp(argv[i], "-extra") == 0) {
i++;
while (argv[i])
save_arg(xabp, argv[i++]);
break;
}
save_arg(abp, argv[i++]);
}
}
efree(argv);
pop_argv(&stck, &argv, &i);
}
}
process_t *process_alloc(void *text, int argc, char **argv) {
process_t *process = (process_t*)kalloc(sizeof(process_t));
memset(process, 0, sizeof(process_t));
process->text = kalloc_aligned(USER_TEXT_SIZE, 4096);
memcpy(process->text, text, USER_TEXT_SIZE);
process->stack_k = kalloc(K_STACK_SIZE);
process->stack_u = kalloc_aligned(U_STACK_SIZE, 4096);
process->pages = process_page_table_alloc((uintptr_t)process->stack_u, (uintptr_t)process->text);
process->num_pages = 0;
process->argc = argc;
process->runstate = PROCESS_RUNNABLE;
process->current = false;
process->next_switch_is_kernel = false;
process->num_waitable = 0;
process->brk = USER_HEAP;
process->files = kalloc(sizeof(file_t) * PROCESS_MAX_FILES);
process->files[0] = g_termbuf->file;
process->files[1] = g_term->file;
process->files[2] = g_term->file;
process->files[3] = g_devio->file;
process->child_statuses = ll_alloc_a(kalloc);
stackptr_t u = STACK(process->stack_u, U_STACK_SIZE);
u = push_argv((void*)USER_STACK_VMA, process->stack_u, u, argc, argv);
process->argv = (char**)u;
process->pid = next_pid++;
stackptr_t k = STACK(process->stack_k, K_STACK_SIZE);
process->state = (system_state_t*)push_system_state(k, process->stack_u, process->argc, process->argv);
process->kstate = NULL;
return process;
}
