Core file by a.out. "cannot open /lib/libmqiz.a=>with dbx"

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July 18th, 2006, 12:01 AM

murugesan

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Core file by a.out. "cannot open /lib/libmqiz.a=>with dbx"

Hi all,

Kindly help me in progressing the following error with core file (by a.out) on AIX
I am getting "cannot open /lib/libmqiz.a" file when using dbx to find the reason for the core file.

Code:

dbx ./a.out ./core
Type 'help' for help.
reading symbolic information ...dbx: fatal error: 1283-012 cannot open /lib/libmqiz.a

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July 19th, 2006, 01:55 PM

jim mcnamara

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Since you have no repsonse - because my AIX experience is nil - I'll give you my 2 cents from a standard UNIX approach --

dbx (the version I have used) refers to either SHLIB_PATH or LD_LIBRARY_PATH when it calls dlopen to open libraries and they are not in the default path ie. /lib or /usr/lib.

Locate libmqiz and then find out which of the above PATH varaibles works for your system. Then add that location (not the filename) to the ...PATH varaible.

You can find what ...PATHS are enabled with a chatr or objdump - like tool that will give you this output. What it's called on AIX I dunno:

Code:

dbx:
         shared executable
         shared library dynamic path search:
             SHLIB_PATH     enabled   first    this is what you need
             embedded path  disabled  second Not Defined
         shared library list:
             dynamic   /usr/lib/libm.2
             dynamic   /opt/lib/cobol/lib/libcobrts.sl
             dynamic   /opt/lib/cobol/lib/libcobcrtn.sl
             dynamic   /opt/lib/cobol/lib/libcobmisc.sl
             dynamic   /opt/lib/cobol/lib/libcobccsupport.sl
             dynamic   /usr/lib/libcl.2
             dynamic   /usr/lib/libc.2
             dynamic   /usr/lib/libdld.2
         shared library binding:
             deferred
         global hash table disabled
         plabel caching disabled
         global hash array size:1103
         global hash array nbuckets:3
         shared vtable support disabled
         explicit unloading enabled
         static branch prediction disabled
         executable from stack: D (default)
         kernel assisted branch prediction enabled
         lazy swap allocation disabled
         text segment locking disabled
         data segment locking disabled
         third quadrant private data space disabled
         fourth quadrant private data space disabled
         third quadrant global data space disabled
         data page size: D (default)
         instruction page size: D (default)
         nulptr references enabled
         shared library private mapping disabled
         shared library text merging disabled

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