HP-UX Reference (11i v3 07/02) - 1 User Commands A-M (vol 1)

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ldd_ia(1)

Integrity Systems Only

ldd_ia(1)

DIAGNOSTICS

ldd prints the record of shared library path names to stdout. The optional list of symbol resolution prob-

lems are printed to stderr.

ldd returns zero when the operation is successful. A non-zero return code indicates that an error

occurred.

EXAMPLES

By default ldd prints a simple dynamic path information. This consists of the dependencies recorded in

the executable (or the shared library) followed by the physical location where these libraries are found.

ldd a.out

./libx.so => ./libx.so

libc.so => /usr/lib/hpux32/libc.so.1

libdl.so => /usr/lib/hpux32/libdl.so.1

The -v option causes ldd to print dependency relationship along with the dynamic path information.

ldd -v a.out

find library=./libx.so; required by a.out

./libx.so => ./libx.so

find library=libc.so; required by a.out

libc.so => /usr/lib/hpux32/libc.so.1

find library=libdl.so; required by /usr/lib/hpux32/libc.so.1

libdl.so => /usr/lib/hpux32/libdl.so..1

The -r option to ldd causes it to analyze all symbol references and print information about unsatisﬁed

code and data symbols.

ldd -r a.out

./libx.so => ./libx.so

libc.so => /usr/lib/hpux32/libc.so.1

libdl.so => /usr/lib/hpux32/libdl.so.1

symbol not found: val1 (./libx.so)

symbol not found: count (./libx.so)

symbol not found: func1 (./libx.so)

WARNINGS

ldd does not list shared libraries explicitly loaded using dlopen(3C) or shl_load(3X).

FILES

a.out output ﬁle

/usr/lib/hpux32/dld.so

32-bit Integrity system dynamic loader

/usr/lib/hpux64/dld.so

64-bit Integrity system dynamic loader

/usr/ccs/lib/hpux32/lddstub

32-bit dummy executable loaded to check the dependencies of

shared libraries

/usr/ccs/lib/hpux64/lddstub

64-bit dummy executable loaded to check the dependencies of

shared libraries

/usr/lib/nls/$LANG/ldd.cat message catalog