01-16-2009
a question about debug using gdb(/lib32/libc.so.6: No such file or directory)
Hi all,
(gdb) target remote 192.168.185.196:1389
Remote debugging using 192.168.185.196:1389
warning: Unable to find dynamic linker breakpoint function.
GDB will be unable to debug shared library initializers
and track explicitly loaded dynamic code.
0x2fbd0800 in ?? ()
(gdb) l
1 #include <stdio.h>
2
3 int main()
4 {
5 printf ("Hello World\n");
6 return 0;
7 }
(gdb) b main
Breakpoint 1 at 0x1000067c: file hello.c, line 5.
(gdb) info reg pc
pc: 0x2fbd0800
(gdb) c
Continuing.
Error while mapping shared library sections:
/lib32/libc.so.6: No such file or directory.
Error while mapping shared library sections:
/lib32/ld.so.1: No such file or directory.
Breakpoint 1, main () at hello.c:5
5 printf ("Hello World\n");
From the above message, we can see the gdb use the host lib,as we know, It *should* using target lib, it confuses me , why it can get the right output using the host lib,
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LEARN ABOUT OPENSOLARIS
prtdscp
prtdscp(1M) System Administration Commands prtdscp(1M)
NAME
prtdscp - display DSCP IP addresses
SYNOPSIS
prtdscp [-v ]
prtdscp [-v ] -h
prtdscp [-v ] -d
prtdscp [-v ] -s
DESCRIPTION
prtdscp displays the IP addresses associated with a Domain to Service Processor Communications Protocol (DSCP) link. If no arguments are
specified, prtdscp displays the IP addresses on both ends of the DSCP link. The IP address of either the Service Processor or domain side
can be displayed separately by the use of the -s or -d options, respectively.
OPTIONS
The following options are supported:
-v Verbose mode. Print additional details about the program's internal progress to stderr.
-h Help. Print a brief synopsis of the program's usage and exit. All other command line arguments are ignored.
-d Display only the local domain's IP address.
-s Display only the remote Service Processor's IP address.
EXAMPLES
Example 1 Displaying both addresses
The following example displays both the local domain's IP address and the remote SP's IP address:
# prtdscp
Domain Address: 192.168.103.2
SP Address: 192.168.103.1
Example 2 Displaying the local IP address
The following example displays the local domain's IP address:
# prtdscp -d
192.168.103.2
Example 3 Displaying the remote IP address
The following example display the remote SP's IP address:
# prtdscp -s
192.168.103.1
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWdscpr.u, SUNWdscpu.u |
+-----------------------------+-----------------------------+
|Interface Stability |Evolving |
+-----------------------------+-----------------------------+
SEE ALSO
attributes(5)
SunOS 5.11 25 Apr 2006 prtdscp(1M)