PERFORCE change 49502 for review
Marcel Moolenaar
marcel at FreeBSD.org
Sun Mar 21 20:00:19 PST 2004
http://perforce.freebsd.org/chv.cgi?CH=49502
Change 49502 by marcel at marcel_nfs on 2004/03/21 20:00:14
s/db_active/kdb_active/g
s/DDB/KDB/g
Affected files ...
.. //depot/projects/gdb/sys/ia64/ia64/unwind.c#2 edit
Differences ...
==== //depot/projects/gdb/sys/ia64/ia64/unwind.c#2 (text+ko) ====
@@ -27,9 +27,8 @@
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: src/sys/ia64/ia64/unwind.c,v 1.10 2003/10/09 03:11:37 marcel Exp $");
-#include "opt_ddb.h"
-
#include <sys/param.h>
+#include <sys/kdb.h>
#include <sys/kernel.h>
#include <sys/systm.h>
#include <sys/malloc.h>
@@ -60,8 +59,8 @@
static struct unw_table_list unw_tables;
-#ifdef DDB
-#define DDBHEAPSZ 8192
+#ifdef KDB
+#define KDBHEAPSZ 8192
struct mhdr {
uint32_t sig;
@@ -72,35 +71,33 @@
int32_t prev;
};
-extern int db_active;
+static struct mhdr *kdbheap;
+#endif /* KDB */
-static struct mhdr *ddbheap;
-#endif /* DDB */
-
static void *
unw_alloc(size_t sz)
{
-#ifdef DDB
+#ifdef KDB
struct mhdr *hdr, *hfree;
- if (db_active) {
+ if (kdb_active) {
sz = (sz + 15) >> 4;
- hdr = ddbheap;
+ hdr = kdbheap;
while (hdr->sig != MSIG_FREE || hdr->size < sz) {
if (hdr->next == -1)
return (NULL);
- hdr = ddbheap + hdr->next;
+ hdr = kdbheap + hdr->next;
}
if (hdr->size > sz + 1) {
hfree = hdr + sz + 1;
hfree->sig = MSIG_FREE;
hfree->size = hdr->size - sz - 1;
- hfree->prev = hdr - ddbheap;
+ hfree->prev = hdr - kdbheap;
hfree->next = hdr->next;
hdr->size = sz;
- hdr->next = hfree - ddbheap;
+ hdr->next = hfree - kdbheap;
if (hfree->next >= 0) {
- hfree = ddbheap + hfree->next;
+ hfree = kdbheap + hfree->next;
hfree->prev = hdr->next;
}
}
@@ -114,30 +111,30 @@
static void
unw_free(void *p)
{
-#ifdef DDB
+#ifdef KDB
struct mhdr *hdr, *hfree;
- if (db_active) {
+ if (kdb_active) {
hdr = (struct mhdr*)p - 1;
if (hdr->sig != MSIG_USED)
return;
hdr->sig = MSIG_FREE;
- if (hdr->prev >= 0 && ddbheap[hdr->prev].sig == MSIG_FREE) {
- hfree = ddbheap + hdr->prev;
+ if (hdr->prev >= 0 && kdbheap[hdr->prev].sig == MSIG_FREE) {
+ hfree = kdbheap + hdr->prev;
hfree->size += hdr->size + 1;
hfree->next = hdr->next;
if (hdr->next >= 0) {
- hfree = ddbheap + hdr->next;
+ hfree = kdbheap + hdr->next;
hfree->prev = hdr->prev;
}
} else if (hdr->next >= 0 &&
- ddbheap[hdr->next].sig == MSIG_FREE) {
- hfree = ddbheap + hdr->next;
+ kdbheap[hdr->next].sig == MSIG_FREE) {
+ hfree = kdbheap + hdr->next;
hdr->size += hfree->size + 1;
hdr->next = hfree->next;
if (hdr->next >= 0) {
- hfree = ddbheap + hdr->next;
- hfree->prev = hdr - ddbheap;
+ hfree = kdbheap + hdr->next;
+ hfree->prev = hdr - kdbheap;
}
}
return;
@@ -372,12 +369,12 @@
LIST_INIT(&unw_tables);
uwx_register_alloc_cb(unw_alloc, unw_free);
-#ifdef DDB
- ddbheap = malloc(DDBHEAPSZ, M_UNWIND, M_WAITOK);
- ddbheap->sig = MSIG_FREE;
- ddbheap->size = (DDBHEAPSZ - sizeof(struct mhdr)) >> 4;
- ddbheap->next = -1;
- ddbheap->prev = -1;
+#ifdef KDB
+ kdbheap = malloc(KDBHEAPSZ, M_UNWIND, M_WAITOK);
+ kdbheap->sig = MSIG_FREE;
+ kdbheap->size = (KDBHEAPSZ - sizeof(struct mhdr)) >> 4;
+ kdbheap->next = -1;
+ kdbheap->prev = -1;
#endif
}
SYSINIT(unwind, SI_SUB_KMEM, SI_ORDER_ANY, unw_initialize, 0);
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