Quoting Richard Braun (2014-12-27 12:20:17)
> On Fri, Dec 26, 2014 at 06:32:33PM +0100, Justus Winter wrote:
> > Quoting Richard Braun (2014-12-26 17:10:19)
> > > What kind of non-elf files ?
> >
> > Any file. I created this patch in an attempt to use a dead task
> > (i.e. a task w/o a thread) as a ramdisk. Now I'm (ab)using this patch
> > to load the script that my interpreter runs:
>
> But how does Mach handle the loading of a non-elf file ?
This isn't ready for inclusion, but for now it's mainly:
@@ -746,9 +756,20 @@ static void user_bootstrap(void)
exec_info_t boot_exec_info;
int err;
char **av;
+ boolean_t executable = TRUE;
/* Load this task up from the executable file in the module. */
err = exec_load(boot_read, read_exec, info->mod, &boot_exec_info);
+ if (err == EX_NOT_EXECUTABLE)
+ {
+ struct multiboot_module *mod = info->mod;
+ printf("reading %d bytes into map %p\n", mod->mod_end - mod->mod_start,
current_task()->map);
+ err = read_in (mod,
+ 0, mod->mod_end - mod->mod_start,
+ 0, mod->mod_end - mod->mod_start,
+ VM_PROT_READ);
+ executable = FALSE;
+ }
if (err)
panic ("Cannot load user executable module (error code %d): %s",
err, info->argv[0]);
@@ -770,6 +791,9 @@ static void user_bootstrap(void)
info->done = 1;
thread_wakeup ((event_t) info);
+ if (! executable)
+ thread_terminate (current_thread ());
+
/*
* Exit to user thread.
*/
I generalized `read_exec' into `read_in' for that.
Justus
