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RS crash recovery support.

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This commit is contained in:
Cristiano Giuffrida
2010-07-06 22:05:21 +00:00
parent e920c1e1df
commit 1f8dbed029
21 changed files with 429 additions and 200 deletions
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85
kernel/debug.c
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@@ -162,40 +162,87 @@ schedulerstr(struct proc *scheduler)
return "KERNEL";
}
PRIVATE void
print_proc_name(struct proc *pp)
{
char *name = pp->p_name;
endpoint_t ep = pp->p_endpoint;
if(name) {
printf("%s(%d)", name, ep);
}
else {
printf("%d", ep);
}
}
PRIVATE void
print_endpoint(endpoint_t ep)
{
int proc_nr;
struct proc *pp = NULL;
switch(ep) {
case ANY:
printf("ANY");
break;
case SELF:
printf("SELF");
break;
case NONE:
printf("NONE");
break;
default:
if(!isokendpt(ep, &proc_nr)) {
printf("??? %d\n", ep);
}
else {
pp = proc_addr(proc_nr);
if(isemptyp(pp)) {
printf("??? empty slot %d\n", proc_nr);
}
else {
print_proc_name(pp);
}
}
break;
}
}
PRIVATE void
print_sigmgr(struct proc *pp)
{
endpoint_t sig_mgr, bak_sig_mgr;
sig_mgr = priv(pp)->s_sig_mgr;
bak_sig_mgr = priv(pp)->s_bak_sig_mgr;
printf("sigmgr ");
print_endpoint(sig_mgr);
if(bak_sig_mgr != NONE) {
printf(" / ");
print_endpoint(bak_sig_mgr);
}
}
PUBLIC void print_proc(struct proc *pp)
{
struct proc *depproc = NULL;
endpoint_t dep;
printf("%d: %s %d prio %d time %d/%d cycles 0x%x%08x cr3 0x%lx rts %s misc %s sched %s",
printf("%d: %s %d prio %d time %d/%d cycles 0x%x%08x cr3 0x%lx rts %s misc %s sched %s ",
proc_nr(pp), pp->p_name, pp->p_endpoint,
pp->p_priority, pp->p_user_time,
pp->p_sys_time, pp->p_cycles.hi, pp->p_cycles.lo, pp->p_seg.p_cr3,
rtsflagstr(pp->p_rts_flags), miscflagstr(pp->p_misc_flags),
schedulerstr(pp->p_scheduler));
print_sigmgr(pp);
dep = P_BLOCKEDON(pp);
if(dep != NONE) {
printf(" blocked on: ");
if(dep == ANY) {
printf(" ANY\n");
} else {
int procno;
if(!isokendpt(dep, &procno)) {
printf(" ??? %d\n", dep);
} else {
depproc = proc_addr(procno);
if(isemptyp(depproc)) {
printf(" empty slot %d???\n", procno);
depproc = NULL;
} else {
printf(" %s\n", depproc->p_name);
}
}
}
} else {
printf("\n");
print_endpoint(dep);
}
printf("\n");
}
PRIVATE void print_proc_depends(struct proc *pp, const int level)