void
load_symbols(kvm_t *kd)
{
int rc, i, mib[2];
size_t sz;
rc = kvm_nlist(kd, &ksyms[0]);
if (rc != 0) {
for (i = 0; ksyms[i].n_name != NULL; i++)
if (ksyms[i].n_value == 0)
warnx("symbol %s: not found", ksyms[i].n_name);
exit(1);
}
uvm_vnodeops = (void*)ksyms[NL_UVM_VNODEOPS].n_value;
uvm_deviceops = (void*)ksyms[NL_UVM_DEVICEOPS].n_value;
aobj_pager = (void*)ksyms[NL_AOBJ_PAGER].n_value;
ubc_pager = (void*)ksyms[NL_UBC_PAGER].n_value;
nchash_addr = ksyms[NL_NCHASH].n_value;
_KDEREF(kd, ksyms[NL_MAXSSIZ].n_value, &maxssiz,
sizeof(maxssiz));
_KDEREF(kd, ksyms[NL_NCHASHTBL].n_value, &nchashtbl_addr,
sizeof(nchashtbl_addr));
_KDEREF(kd, ksyms[NL_KERNEL_MAP].n_value, &kernel_map_addr,
sizeof(kernel_map_addr));
/*
* Some of these may be missing from some platforms, for
* example sparc, sh3, and most powerpc platforms don't
* have a "phys_map", etc.
*/
(void)kvm_nlist(kd, &kmaps[0]);
#define get_map_address(m) do {\
if (kmaps[__CONCAT(NL_,m)].n_value != 0) \
_KDEREF(kd, kmaps[__CONCAT(NL_,m)].n_value, &m, sizeof(m)); \
} while (0/*CONSTCOND*/)
get_map_address(kmem_map);
get_map_address(mb_map);
get_map_address(phys_map);
get_map_address(exec_map);
get_map_address(pager_map);
get_map_address(st_map);
get_map_address(pt_map);
get_map_address(lkm_map);
get_map_address(buf_map);
mib[0] = CTL_HW;
mib[1] = HW_PAGESIZE;
sz = sizeof(page_size);
if (sysctl(&mib[0], 2, &page_size, &sz, NULL, 0) == -1)
err(1, "sysctl: hw.pagesize");
}
void
load_symbols(kvm_t *kd)
{
int rc, i;
rc = kvm_nlist(kd, &nl[0]);
if (rc == -1)
errx(1, "%s == %d", kvm_geterr(kd), rc);
for (i = 0; i < sizeof(nl)/sizeof(nl[0]); i++)
if (nl[i].n_value == 0 && nl[i].n_name)
printf("%s not found\n", nl[i].n_name);
uvm_vnodeops = (void*)nl[NL_UVM_VNODEOPS].n_value;
uvm_deviceops = (void*)nl[NL_UVM_DEVICEOPS].n_value;
aobj_pager = (void*)nl[NL_AOBJ_PAGER].n_value;
_KDEREF(kd, nl[NL_MAXSSIZ].n_value, &maxssiz,
sizeof(maxssiz));
_KDEREF(kd, nl[NL_KERNEL_MAP].n_value, &kernel_map_addr,
sizeof(kernel_map_addr));
}
void
load_name_cache(kvm_t *kd)
{
struct namecache _ncp, *ncp, *oncp;
struct nchashhead _ncpp, *ncpp;
u_long lnchash;
size_t nchash, i;
LIST_INIT(&lcache);
_KDEREF(kd, nchash_addr, &lnchash, sizeof(lnchash));
nchash = (size_t)lnchash + 1;
nchashtbl = ecalloc(nchash, sizeof(*nchashtbl));
_KDEREF(kd, nchashtbl_addr, nchashtbl, sizeof(*nchashtbl) * nchash);
ncpp = &_ncpp;
for (i = 0; i < nchash; i++) {
ncpp = &nchashtbl[i];
oncp = NULL;
LIST_FOREACH(ncp, ncpp, nc_hash) {
if (ncp == oncp ||
ncp == (void*)0xdeadbeef)
break;
oncp = ncp;
_KDEREF(kd, (u_long)ncp, &_ncp, sizeof(*ncp));
ncp = &_ncp;
if (ncp->nc_nlen > 0) {
if (ncp->nc_nlen > 2 ||
ncp->nc_name[0] != '.' ||
(ncp->nc_name[1] != '.' &&
ncp->nc_nlen != 1))
cache_enter(i, ncp);
}
}
}
}
