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when generating individual *_desc, generate also proper offsets so that 

then don't need to be patched at runtime
add new define VNODE_OPS_COUNT (to vnode_if.h) so that the number is known
at compile-time
make stuff const, it now can be
This commit is contained in:
jdolecek 2001-01-22 09:52:21 +00:00
parent 577ac6e31c
commit 950412b4f5
1 changed files with 16 additions and 10 deletions
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26
sys/kern/vnode_if.sh
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@ -33,7 +33,7 @@ copyright="\
* SUCH DAMAGE.
*/
"
SCRIPT_ID='$NetBSD: vnode_if.sh,v 1.27 2001/01/19 12:22:56 martin Exp $'
SCRIPT_ID='$NetBSD: vnode_if.sh,v 1.28 2001/01/22 09:52:21 jdolecek Exp $'
# Script to produce VFS front-end sugar.
#
@ -170,7 +170,7 @@ echo '#include "opt_vnode_op_noinline.h"'
echo '#endif'
echo '#endif /* _KERNEL */'
echo '
extern struct vnodeop_desc vop_default_desc;
extern const struct vnodeop_desc vop_default_desc;
'
# Body stuff
@ -179,12 +179,12 @@ sed -e "$sed_prep" $src | $awk "$toupper"'
function doit() {
# Declare arg struct, descriptor.
printf("\nstruct %s_args {\n", name);
printf("\tstruct vnodeop_desc * a_desc;\n");
printf("\tconst struct vnodeop_desc * a_desc;\n");
for (i=0; i<argc; i++) {
printf("\t%s a_%s;\n", argtype[i], argname[i]);
}
printf("};\n");
printf("extern struct vnodeop_desc %s_desc;\n", name);
printf("extern const struct vnodeop_desc %s_desc;\n", name);
# Prototype it.
printf("#ifndef VNODE_OP_NOINLINE\n");
printf("static __inline\n");
@ -228,9 +228,11 @@ function doit() {
printf("\treturn (VCALL(%s%s, VOFFSET(%s), &a));\n}\n",
argname[0], arg0special, name);
printf("#endif\n");
vops++;
}
BEGIN {
arg0special="";
vops = 1; # start at 1, to count the 'default' op
}
END {
printf("\n/* Special cases: */\n#include <sys/buf.h>\n");
@ -242,6 +244,8 @@ END {
doit();
name="vop_bwrite";
doit();
printf("\n#define VNODE_OPS_COUNT\t%d\n", vops);
}
'"$awk_parser" | sed -e "$anal_retentive"
@ -316,9 +320,9 @@ function doit() {
print "\tVDESC_NO_OFFSET";
print "};";
# Define F_desc
printf("struct vnodeop_desc %s_desc = {\n", name);
printf("const struct vnodeop_desc %s_desc = {\n", name);
# offset
printf ("\t0,\n");
printf ("\t%d,\n", vop_offset++);
# printable name
printf ("\t\"%s\",\n", name);
# flags
@ -376,10 +380,9 @@ function doit() {
printf("#endif\n");
}
BEGIN {
arg0special="";
}
END {
printf("\n/* Special cases: */\n");
# start from 1 (vop_default is at 0)
vop_offset=1;
argc=1;
argdir[0]="IN";
argtype[0]="struct buf *";
@ -390,6 +393,9 @@ END {
doit();
name="vop_bwrite";
doit();
printf("\n/* End of special cases */\n");
arg0special="";
}
'"$awk_parser" | sed -e "$anal_retentive"
@ -400,7 +406,7 @@ echo '
# Add the vfs_op_descs array to the C file.
# Begin stuff
echo '
struct vnodeop_desc * const vfs_op_descs[] = {
const struct vnodeop_desc * const vfs_op_descs[] = {
&vop_default_desc, /* MUST BE FIRST */
&vop_strategy_desc, /* XXX: SPECIAL CASE */
&vop_bwrite_desc, /* XXX: SPECIAL CASE */