kern/71219: /proc/*/map dont tell file offset
KOIE Hidetaka
koie at suri.co.jp
Tue Aug 31 20:00:43 PDT 2004
>Number: 71219
>Category: kern
>Synopsis: /proc/*/map dont tell file offset
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: change-request
>Submitter-Id: current-users
>Arrival-Date: Wed Sep 01 03:00:42 GMT 2004
>Closed-Date:
>Last-Modified:
>Originator: KOIE Hidetaka
>Release: 6.0-CURRENT
>Organization:
SURI Giken
>Environment:
FreeBSD sakura.suri.co.jp 6.0-CURRENT FreeBSD 6.0-CURRENT #1: Fri Aug 27 03:02:10 JST 2004 koie at sakura.suri.co.jp:/usr/obj/usr/src/sys/SAKURA i386
>Description:
A checkpointing library wants to know a file offset in a mmaped segment.
>How-To-Repeat:
>Fix:
like this:
--- procfs_map.c.org Wed Sep 1 10:56:57 2004
+++ procfs_map.c Wed Sep 1 11:50:32 2004
@@ -163,5 +163,5 @@ procfs_doprocmap(PFS_FILL_ARGS)
*/
snprintf(mebuffer, sizeof mebuffer,
- "0x%lx 0x%lx %d %d %p %s%s%s %d %d 0x%x %s %s %s %s\n",
+ "0x%lx 0x%lx %d %d %p %s%s%s %d %d 0x%x %s %s %s %s %lld\n",
(u_long)entry->start, (u_long)entry->end,
resident, privateresident, obj,
@@ -172,5 +172,5 @@ procfs_doprocmap(PFS_FILL_ARGS)
(entry->eflags & MAP_ENTRY_COW)?"COW":"NCOW",
(entry->eflags & MAP_ENTRY_NEEDS_COPY)?"NC":"NNC",
- type, fullpath);
+ type, fullpath, (long long)entry->offset);
if (freepath != NULL)
>Release-Note:
>Audit-Trail:
>Unformatted:
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