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[src/trunk]: src/usr.bin/config Make attribute deselection work:
details: https://anonhg.NetBSD.org/src/rev/8a80a11958c8
branches: trunk
changeset: 817794:8a80a11958c8
user: christos <christos%NetBSD.org@localhost>
date: Fri Sep 09 21:09:11 2016 +0000
description:
Make attribute deselection work:
- when deselecting attributes, remove files that depend on them
- when deselecting attributes, remove devices that depend on them
diffstat:
usr.bin/config/defs.h | 5 +-
usr.bin/config/files.c | 9 ++-
usr.bin/config/sem.c | 135 ++++++++++++++++++++++++++++++++++++------------
3 files changed, 111 insertions(+), 38 deletions(-)
diffs (278 lines):
diff -r 534a9f9a2f0f -r 8a80a11958c8 usr.bin/config/defs.h
--- a/usr.bin/config/defs.h Fri Sep 09 12:41:14 2016 +0000
+++ b/usr.bin/config/defs.h Fri Sep 09 21:09:11 2016 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: defs.h,v 1.97 2016/08/07 21:11:55 christos Exp $ */
+/* $NetBSD: defs.h,v 1.98 2016/09/09 21:09:11 christos Exp $ */
/*
* Copyright (c) 1992, 1993
@@ -190,7 +190,8 @@
#define a_weight a_m.m_weight
/* "interface attribute" */
- int a_iattr; /* true => allows children */
+ uint8_t a_iattr; /* true => allows children */
+ uint8_t a_deselected; /* deselected */
struct loclist *a_locs; /* locators required */
int a_loclen; /* length of above list */
struct nvlist *a_devs; /* children */
diff -r 534a9f9a2f0f -r 8a80a11958c8 usr.bin/config/files.c
--- a/usr.bin/config/files.c Fri Sep 09 12:41:14 2016 +0000
+++ b/usr.bin/config/files.c Fri Sep 09 21:09:11 2016 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: files.c,v 1.35 2015/09/04 21:32:54 uebayasi Exp $ */
+/* $NetBSD: files.c,v 1.36 2016/09/09 21:09:11 christos Exp $ */
/*
* Copyright (c) 1992, 1993
@@ -45,7 +45,7 @@
#endif
#include <sys/cdefs.h>
-__RCSID("$NetBSD: files.c,v 1.35 2015/09/04 21:32:54 uebayasi Exp $");
+__RCSID("$NetBSD: files.c,v 1.36 2016/09/09 21:09:11 christos Exp $");
#include <sys/param.h>
#include <assert.h>
@@ -335,6 +335,11 @@
if (!sel)
continue;
}
+ if (fi->fi_attr && fi->fi_attr->a_deselected) {
+ CFGDBG(5, "file `%s' deselected because attr `%s' was",
+ fi->fi_path, fi->fi_attr->a_name);
+ continue;
+ }
/* We like this file. Make sure it generates a unique .o. */
if (ht_insert(basetab, fi->fi_base, fi)) {
diff -r 534a9f9a2f0f -r 8a80a11958c8 usr.bin/config/sem.c
--- a/usr.bin/config/sem.c Fri Sep 09 12:41:14 2016 +0000
+++ b/usr.bin/config/sem.c Fri Sep 09 21:09:11 2016 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: sem.c,v 1.75 2016/08/07 10:37:24 christos Exp $ */
+/* $NetBSD: sem.c,v 1.76 2016/09/09 21:09:11 christos Exp $ */
/*
* Copyright (c) 1992, 1993
@@ -45,7 +45,7 @@
#endif
#include <sys/cdefs.h>
-__RCSID("$NetBSD: sem.c,v 1.75 2016/08/07 10:37:24 christos Exp $");
+__RCSID("$NetBSD: sem.c,v 1.76 2016/09/09 21:09:11 christos Exp $");
#include <sys/param.h>
#include <ctype.h>
@@ -95,6 +95,45 @@
extern const char *yyfile;
extern int vflag;
+#define V_ATTRIBUTE 0
+#define V_DEVICE 1
+struct vtype {
+ int type;
+ struct attr *attr;
+ void *value;
+};
+
+static struct nvlist *
+makedevstack(struct devbase *d)
+{
+ struct devi *firsti, *i;
+ struct nvlist *stack = NULL;
+
+ for (firsti = d->d_ihead; firsti != NULL; firsti = firsti->i_bsame)
+ for (i = firsti; i != NULL; i = i->i_alias)
+ stack = newnv(NULL, NULL, i, 0, stack);
+ return stack;
+}
+
+static void
+devcleanup(struct nvlist *stack)
+{
+ struct nvlist *nv;
+ for (nv = stack; nv != NULL; nv = nv->nv_next)
+ remove_devi(nv->nv_ptr);
+ nvfreel(stack);
+}
+
+static void *
+addvalue(int type, struct attr *a, void *value)
+{
+ struct vtype *vt = emalloc(sizeof(*vt));
+ vt->type = type;
+ vt->attr = a;
+ vt->value = value;
+ return vt;
+}
+
void
initsem(void)
{
@@ -308,7 +347,8 @@
"attribute", name, dep->a_name);
return (1);
}
- (void)ht_insert2(attrdeptab, name, dep->a_name, NULL);
+ (void)ht_insert2(attrdeptab, name, dep->a_name,
+ addvalue(V_ATTRIBUTE, a, dep));
CFGDBG(2, "attr `%s' depends on attr `%s'", name, dep->a_name);
}
@@ -536,7 +576,8 @@
* Implicit attribute definition for device dependencies.
*/
refattr(al->al_this->a_name);
- (void)ht_insert2(attrdeptab, dev->d_name, al->al_this->a_name, NULL);
+ (void)ht_insert2(attrdeptab, dev->d_name, al->al_this->a_name,
+ addvalue(V_DEVICE, al->al_this, dev));
CFGDBG(2, "device `%s' depends on attr `%s'", dev->d_name,
al->al_this->a_name);
}
@@ -1563,9 +1604,7 @@
}
}
- for (nv = stack; nv != NULL; nv = nv->nv_next)
- remove_devi(nv->nv_ptr);
- nvfreel(stack);
+ devcleanup(stack);
}
void
@@ -1573,7 +1612,7 @@
{
size_t l;
struct devi *firsti, *i;
- struct nvlist *nv, *stack = NULL;
+ struct nvlist *stack = NULL;
CFGDBG(5, "deselecting dev `%s'", name);
if (name[0] == '\0')
@@ -1604,16 +1643,10 @@
name);
return;
}
-
- for (firsti = d->d_ihead; firsti != NULL;
- firsti = firsti->i_bsame)
- for (i = firsti; i != NULL; i = i->i_alias)
- stack = newnv(NULL, NULL, i, 0, stack);
+ stack = makedevstack(d);
}
- for (nv = stack; nv != NULL; nv = nv->nv_next)
- remove_devi(nv->nv_ptr);
- nvfreel(stack);
+ devcleanup(stack);
}
/*
@@ -1697,6 +1730,29 @@
ht_insert(devroottab, ib->d_name, ib);
}
+static void
+deldevbase(struct devbase *d)
+{
+ struct devi *i;
+ const char *name = d->d_name;
+
+ if (!d->d_ispseudo) {
+ devcleanup(makedevstack(d));
+ return;
+ }
+
+ if ((i = ht_lookup(devitab, name)) == NULL)
+ return;
+
+ d->d_umax = 0; /* clear neads-count entries */
+ d->d_ihead = NULL; /* make sure it won't be considered active */
+ TAILQ_REMOVE(&allpseudo, i, i_next);
+ if (ht_remove(devitab, name))
+ panic("%s(%s) - can't remove from devitab", __func__, name);
+ if (ht_insert(deaddevitab, name, i))
+ panic("%s(%s) - can't add to deaddevitab", __func__, name);
+}
+
void
addpseudo(const char *name, int number)
{
@@ -1729,7 +1785,6 @@
delpseudo(const char *name, int nowarn)
{
struct devbase *d;
- struct devi *i;
CFGDBG(5, "deselecting pseudo `%s'", name);
d = ht_lookup(devbasetab, name);
@@ -1742,18 +1797,7 @@
cfgerror("%s is a real device, not a pseudo-device", name);
return;
}
- if ((i = ht_lookup(devitab, name)) == NULL) {
- if (!nowarn)
- cfgerror("`%s' not defined", name);
- return;
- }
- d->d_umax = 0; /* clear neads-count entries */
- d->d_ihead = NULL; /* make sure it won't be considered active */
- TAILQ_REMOVE(&allpseudo, i, i_next);
- if (ht_remove(devitab, name))
- panic("delpseudo(%s) - can't remove from devitab", name);
- if (ht_insert(deaddevitab, name, i))
- panic("delpseudo(%s) - can't add to deaddevitab", name);
+ deldevbase(d);
}
void
@@ -2003,19 +2047,42 @@
static int
deselectattrcb2(const char *name1, const char *name2, void *v, void *arg)
{
- const char *name = arg;
+ struct attr *a = arg;
+ const char *name = a->a_name;
+ struct vtype *vt = v;
+
+ if (strcmp(name, name2) == 0) {
+ delattr(name1, 0);
+ return 0;
+ }
+
+ if (!vt->attr->a_deselected)
+ return 0;
- if (strcmp(name, name2) == 0)
- delattr(name1, 0);
+ switch (vt->type) {
+ case V_ATTRIBUTE:
+#ifdef notyet
+ // XXX: Loops
+ deselectattr(vt->value);
+#endif
+ break;
+ case V_DEVICE:
+ CFGDBG(5, "removing device `%s' with attr `%s' because attr `%s'"
+ " is deselected", name1, name2, name);
+ deldevbase(vt->value);
+ break;
+ default:
+ abort();
+ }
return 0;
}
void
deselectattr(struct attr *a)
{
-
CFGDBG(5, "deselecting attr `%s'", a->a_name);
- ht_enumerate2(attrdeptab, deselectattrcb2, __UNCONST(a->a_name));
+ a->a_deselected = 1;
+ ht_enumerate2(attrdeptab, deselectattrcb2, a);
if (ht_remove(selecttab, a->a_name) == 0)
nattrs--;
CFGDBG(3, "attr deselected `%s'", a->a_name);
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