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Teach the lkm code to add loaded module symbols to the in-kernel symbol table. 

XXX - The way this works is clumsy, at least. It will be fixed as soon as
the in-kernel linker is in place.
This commit is contained in:
ragge 2003-04-24 20:09:43 +00:00
parent fe36fefa1a
commit f5cb3ec885
1 changed files with 13 additions and 17 deletions
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30
sys/kern/kern_lkm.c
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@ -1,4 +1,4 @@
/* $NetBSD: kern_lkm.c,v 1.64 2003/04/10 19:06:05 jdolecek Exp $ */
/* $NetBSD: kern_lkm.c,v 1.65 2003/04/24 20:09:43 ragge Exp $ */
/*
* Copyright (c) 1994 Christopher G. Demetriou
@ -41,7 +41,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_lkm.c,v 1.64 2003/04/10 19:06:05 jdolecek Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_lkm.c,v 1.65 2003/04/24 20:09:43 ragge Exp $");
#include "opt_ddb.h"
@ -60,6 +60,7 @@ __KERNEL_RCSID(0, "$NetBSD: kern_lkm.c,v 1.64 2003/04/10 19:06:05 jdolecek Exp $
#include <sys/sa.h>
#include <sys/syscallargs.h>
#include <sys/conf.h>
#include <sys/ksyms.h>
#include <sys/lkm.h>
#include <sys/syscall.h>
@ -183,10 +184,8 @@ lkmunreserve()
return;
if (curp && curp->syms) {
#ifdef DDB
db_del_symbol_table(curp->private.lkm_any->lkm_name);
#endif
LKM_SPACE_FREE(curp->syms, curp->sym_size);
ksyms_delsymtab(curp->private.lkm_any->lkm_name);
uvm_km_free(kernel_map, curp->syms, curp->sym_size);/**/
curp->syms = 0;
}
/*
@ -437,21 +436,18 @@ lkmioctl(dev, cmd, data, flag, p)
if (lkmdebug & LKMDB_INFO)
printf("LKM: LMREADY\n");
#endif /* DEBUG */
#ifdef DDB
if (curp->syms && curp->sym_offset >= curp->sym_size) {
db_add_symbol_table((caddr_t)curp->syms,
(caddr_t)curp->syms + curp->sym_symsize,
curp->private.lkm_any->lkm_name,
(caddr_t)curp->syms);
error = ksyms_addsymtab(curp->private.lkm_any->lkm_name,
(char *)curp->syms, curp->sym_symsize,
(char *)curp->syms + curp->sym_symsize,
curp->sym_size - curp->sym_symsize);
if (error)
break;
#ifdef DEBUG
if (lkmdebug & LKMDB_INFO)
printf( "DDB symbols added!\n" );
if (lkmdebug & LKMDB_INFO)
printf( "DDB symbols added!\n" );
#endif
}
#endif
lkm_state = LKMS_IDLE;
break;