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Message-Id: <200712040716.lB47Gkvd088803@www.freebsd.org>
Date: Tue, 4 Dec 2007 07:16:46 GMT
From: Nate Eldredge <neldredge@ucsd.edu>
To: freebsd-gnats-submit@FreeBSD.org
Subject: nm -D fails if a file has no symbols
X-Send-Pr-Version: www-3.1
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>Number:         118415
>Category:       gnu
>Synopsis:       nm -D fails if a file has no symbols
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Dec 04 07:20:01 UTC 2007
>Closed-Date:    
>Last-Modified:  Thu Nov 08 20:54:33 UTC 2012
>Originator:     Nate Eldredge
>Release:        6.2-RELEASE
>Organization:
>Environment:
FreeBSD vulcan.lan 6.2-RELEASE-p8 FreeBSD 6.2-RELEASE-p8 #24: Thu Nov 29 09:52:48 PST 2007     nate@vulcan.lan:/usr/obj/usr/src/sys/VULCAN  amd64
>Description:
If nm -D is given multiple files, one of which has no symbols (perhaps because it's statically linked), it exits after processing that file without processing the rest.  This is inconvenient and probably not what was intended.
>How-To-Repeat:
nate@vulcan:/tmp$ file /usr/bin/true /rescue/sh /usr/bin/false 
/usr/bin/true:  ELF 64-bit LSB executable, AMD x86-64, version 1 (FreeBSD), dynamically linked (uses shared libs), stripped
/rescue/sh:     ELF 64-bit LSB executable, AMD x86-64, version 1 (FreeBSD), statically linked, stripped
/usr/bin/false: ELF 64-bit LSB executable, AMD x86-64, version 1 (FreeBSD), dynamically linked (uses shared libs), stripped
nate@vulcan:/tmp$ nm -D /usr/bin/true /rescue/sh /usr/bin/false 

/usr/bin/true:
00000000005007b8 A _DYNAMIC
0000000000500910 A _GLOBAL_OFFSET_TABLE_
                 w _Jv_RegisterClasses
0000000000500940 A __bss_start
                 w __deregister_frame_info
00000000005006c0 D __progname
                 w __register_frame_info
0000000000500940 A _edata
0000000000500998 A _end
0000000000400618 T _fini
0000000000400448 T _init
                 U _init_tls
                 U atexit
0000000000500990 B environ
                 U exit

/rescue/sh:
nm: /rescue/sh: No symbols
nate@vulcan:/tmp$ nm -D /usr/bin/true  /usr/bin/false /rescue/sh 

/usr/bin/true:
00000000005007b8 A _DYNAMIC
0000000000500910 A _GLOBAL_OFFSET_TABLE_
                 w _Jv_RegisterClasses
0000000000500940 A __bss_start
                 w __deregister_frame_info
00000000005006c0 D __progname
                 w __register_frame_info
0000000000500940 A _edata
0000000000500998 A _end
0000000000400618 T _fini
0000000000400448 T _init
                 U _init_tls
                 U atexit
0000000000500990 B environ
                 U exit

/usr/bin/false:
00000000005007b8 A _DYNAMIC
0000000000500910 A _GLOBAL_OFFSET_TABLE_
                 w _Jv_RegisterClasses
0000000000500940 A __bss_start
                 w __deregister_frame_info
00000000005006c0 D __progname
                 w __register_frame_info
0000000000500940 A _edata
0000000000500998 A _end
0000000000400618 T _fini
0000000000400448 T _init
                 U _init_tls
                 U atexit
0000000000500990 B environ
                 U exit

/rescue/sh:
nm: /rescue/sh: No symbols

>Fix:
Probably simple, but didn't look.

>Release-Note:
>Audit-Trail:
Responsible-Changed-From-To: freebsd-bugs->eadler 
Responsible-Changed-By: eadler 
Responsible-Changed-When: Mon Jul 9 06:06:40 UTC 2012 
Responsible-Changed-Why:  
I'll take it. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=118415 
Responsible-Changed-From-To: eadler->freebsd-bugs 
Responsible-Changed-By: eadler 
Responsible-Changed-When: Thu Nov 8 20:54:33 UTC 2012 
Responsible-Changed-Why:  
I won't be dealing with this PR for some time, so give it back to the 
pool 

http://www.freebsd.org/cgi/query-pr.cgi?pr=118415 
>Unformatted:
