[src/trunk]: src/sys/rump/librump/rumpkern Add rump_kernelfsym_load(), which ...

[pooka <pooka%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/86b14c11639f
branches:  trunk
changeset: 749311:86b14c11639f
user:      pooka <pooka%NetBSD.org@localhost>
date:      Thu Nov 26 09:20:07 2009 +0000

description:
Add rump_kernelfsym_load(), which loads the kernel symbol table.

diffstat:

 sys/rump/librump/rumpkern/rump.c          |  26 ++++++++++++++++++++++++--
 sys/rump/librump/rumpkern/rumpkern.ifspec |   3 ++-
 2 files changed, 26 insertions(+), 3 deletions(-)

diffs (71 lines):

diff -r 9161958e0740 -r 86b14c11639f sys/rump/librump/rumpkern/rump.c
--- a/sys/rump/librump/rumpkern/rump.c  Thu Nov 26 09:02:38 2009 +0000
+++ b/sys/rump/librump/rumpkern/rump.c  Thu Nov 26 09:20:07 2009 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: rump.c,v 1.136 2009/11/10 17:02:36 pooka Exp $ */
+/*     $NetBSD: rump.c,v 1.137 2009/11/26 09:20:07 pooka Exp $ */
 
 /*
  * Copyright (c) 2007 Antti Kantee.  All Rights Reserved.
@@ -28,7 +28,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: rump.c,v 1.136 2009/11/10 17:02:36 pooka Exp $");
+__KERNEL_RCSID(0, "$NetBSD: rump.c,v 1.137 2009/11/26 09:20:07 pooka Exp $");
 
 #include <sys/param.h>
 #include <sys/atomic.h>
@@ -38,6 +38,7 @@
 #include <sys/cpu.h>
 #include <sys/evcnt.h>
 #include <sys/event.h>
+#include <sys/exec_elf.h>
 #include <sys/filedesc.h>
 #include <sys/iostat.h>
 #include <sys/kauth.h>
@@ -622,6 +623,27 @@
        return rv;
 }
 
+int
+rump_kernelfsym_load(void *symtab, uint64_t symsize,
+       char *strtab, uint64_t strsize)
+{
+       static int inited = 0;
+       Elf64_Ehdr ehdr;
+
+       if (inited)
+               return EBUSY;
+       inited = 1;
+
+       /*
+        * Use 64bit header since it's bigger.  Shouldn't make a
+        * difference, since we're passing in all zeroes anyway.
+        */
+       memset(&ehdr, 0, sizeof(ehdr));
+       ksyms_addsyms_explicit(&ehdr, symtab, symsize, strtab, strsize);
+
+       return 0;
+}
+
 static int
 rump_sysproxy_local(int num, void *arg, uint8_t *data, size_t dlen,
        register_t *retval)
diff -r 9161958e0740 -r 86b14c11639f sys/rump/librump/rumpkern/rumpkern.ifspec
--- a/sys/rump/librump/rumpkern/rumpkern.ifspec Thu Nov 26 09:02:38 2009 +0000
+++ b/sys/rump/librump/rumpkern/rumpkern.ifspec Thu Nov 26 09:20:07 2009 +0000
@@ -1,4 +1,4 @@
-;      $NetBSD: rumpkern.ifspec,v 1.2 2009/10/15 16:39:22 pooka Exp $
+;      $NetBSD: rumpkern.ifspec,v 1.3 2009/11/26 09:20:07 pooka Exp $
 
 NAME|kern
 PUBHDR|include/rump/rumpkern_if_pub.h
@@ -13,6 +13,7 @@
 
 int            |module_init    |struct modinfo *, prop_dictionary_t
 int            |module_fini    |struct modinfo *
+int            |kernelfsym_load|void *, uint64_t, char *, uint64_t
 
 struct uio *   |uio_setup      |void *, size_t, off_t, enum rump_uiorw
 size_t         |uio_getresid   |struct uio *