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"DLD" is a library package of C functions that performs "dynamic link
editing". Programs that use dld can add compiled object code to or
remove such code from a process anytime during its execution. Loading
modules, searching libraries, resolving external references, and
allocating storage for global and static data structures are all
performed at run time.
It resides in:
ftp-swiss.ai.mit.edu:pub/scm/dld-3.2.7.tar.gz
prep.ai.mit.edu:/pub/gnu/jacal/dld-3.2.7.tar.gz
ftp.cs.indiana.edu:/pub/scheme-repository/imp/SCM-support/dld-3.2.7.tar.gz
tsx-11.mit.edu:/pub/linux/sources/libs/dld-3.2.7.tar.gz
New in dld-3.2.7 is:
* error.c (dld_perror): Now prints out multiply defined symbol's
name with DLD_EMULTDEFS.
* dld.c (_dld_enter_global_ref): Sets dld_errname to multiply
defined symbol's name before calling fatal.
From: chen@adi.com (Franklin Chen)
* added const declarations where appropriate in source and
dld.texi.
From: cdteel@esy.com (Carlton Teel)
* dld support for Convex C-Series using Convex's optimizing C
(cc) compiler with IEEE floating point representation. Note
that it is not built with gcc! Using Convex's C compiler
allows for vectorization and parallelization of code that gcc
does not support.
* sources are included and depend on _CONVEX_SOURCE be set
(which is automatically done by Convex cc.
* Although the sources pass all the test suites, it's not
guaranteed to be bug free. To maintain coherency, please send
bugs to isom@convex.com along with a test case. Note that a
modified version of 3.2.3 has been in operation since the fall
of 1993 without problems.
* Due to the way Convex handles relocation information (see
Compiler Utilities Guide for details), sharing of objects may
be minimal. For best results, unloading is encouraged.
* Dynamic loading of objects with initialized common is not
supported.
The original, with postscript papers, is available from
prep.ai.mit.edu:pub/gnu/dld-3.2.3.tar.gz.
If you are running on a Sparc Sun4 edit dld/test/Makefile to add the
"-static" flag to CFLAGS.
From the dld directory, type `make check' (or `make' for no tests).
This will make libdld.a and then make and run the test programs in
subdirectory `test'.
Examine the output. The output from the "general" test should look
similar to "test/EXPECTED_OUTPUT". The other tests should print no
error messages
If this is satisfactory, typing `make install' will copy libdld.a into
/usr/local/lib/, dld.h into /usr/local/include, and dld.info into
/usr/local/info/. These locations can be changed in "Makefile".
Aubrey Jaffer (jaffer@zurich.ai.mit.edu)
Tue Dec 7 22:48:22 GMT 1993
Here is the original README:
================================================================
This is dld version 3.2.3. It currently supports VAX (Ultrix), Sun 3
(SunOS 3.4 and 4.0), SPARCstation (SunOS 4.0), Sequent Symmetry
(Dynix), and Atari ST.
To compile, type "make".
To compile the test programs, cd to "test" and then type "make".
Changes from 3.2.1 to 3.2.3 is minimal. Mainly contains the port to
Atari and Symmetry. I've received quite a number of suggestions for
improvements, new features, and debugging support. I'll incorporate
them in release 3.3--whenever I have time to work on it!
Wilson Ho (how@cs.ucdavis.edu)
Wed May 29 22:21:31 PDT 1991
P.S. Port for Atari is contributed by Edgar Roeder. See ChangeLog.
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