Re: [Tiny-cobol-users] Segmentation Fault

[Reg <re...@ri...>]

Hi David,
Decided to get rid of all the clutter, removed all versions of TC and
re-installed from CVS.
Compilations worked perfectly.
Thanks.
Next problem:-
Whether I compile with -m and run vis htcobrun or compile with -x for an
executable, 
when I call the next program in the system I get:-

/TinyCat/startpass1: line 4: 13359 Segmentation fault      
/TinyCobol/development/cobrun/htcobrun PASSCHEC1

(different number for fault from -x version).
This seems to occur when PASSCHEC1 calls the next program, which was
compiled with -m.
Could be the next program is large or the single parameter passed in linkage
is too big?
Anyway, seems like a memory fault similar to the compile problem prior to
the CVS version.
Regards,
Reg.

David Essex-2 wrote:
> 
> Reg wrote:
> 
>  > This now works to create a static binary, but
>  > how do I create a dynamic loading system?
> 
> What was created in the example was a binary linked with shared 
> libraries (DLL's) and a static TC RT library.
> The system linker will try to use a shared library, failing that it will 
> try using a static library.
> 
> So I'm not sure what you mean by a 'dynamic loading system'.
> 
> If you want to create a shared TC RT library (DLL), just change the 
> 'lib' make file.
> 
> #all: static-libs
> all: static-libs shared-libs
> ...
> #install: install-rts-config install-static-libs
> install: install-rts-config install-static-libs install-shared-libs
> 
> Then from the 'development' directory,
> make clean
> make
> make install (as root)
> 
> If you prefer to use modules (shared library), just use the '-m' option 
> then run it using 'htcobrun'.
> 
>  > When I change the -c to -x  on the compile stage,
>  > I get the problem again.
>  > What do I need to put in on the compile line?
>  > (htcobol ......-x or -m.....XYZ.COB)
> 
> The reason you are getting those linkage error messages, is that you are 
> using two different versions of TC to create a binary.
> You are using 'htcobol' from version 0.63.87 (I think), and the RTL from 
> another TC version.
> 
> The best fix would be to remove all installed TC files, then do a new TC 
> install using the source from version 0.63.87.
> 
> A quich fix is to use add the following to the xterm config ('.bashrc' 
> or '.profile'), or what ever you are using as a terminal.
> 
> export TCOB_OPTIONS_PATH=/TinyCobol/development/compiler
> export TCOB_RTCONFIG_PATH=/TinyCobol/development/lib
> export TCOB_LD_LIBRARY_PATH=/TinyCat
> export LD_LIBRARY_PATH=/TinyCobol/development/lib:/TinyCat
> 
> To the TC compile time resource file 'htcobolrc', found in the 
> 'development/compiler' directory, add the following.
> 
> LD_PATH: -L/TinyCobol/development/lib
> 
> Now do the following.
> Check the version of TC used, a test compile and run the binary created.
> You should get the following results with no linker errors.
> 
> #/TinyCobol/development/compiler/htcobol -V
> TinyCOBOL - pre alpha 0.63.87 ...
> 
> #cd /TinyCat
> 
> #/TinyCobol/development/compiler/htcobol -v -x DEGRABBER.COB
> as -o DEGRABBER.o DEGRABBER.s
> gcc -o DEGRABBER DEGRABBER.o -L/TinyCobol/development/lib -lhtcobol
>     -ldl -ldb -lncurses -lm
> 
> #./DEGRABBER
> 
> Now create a module and use 'htcobrun' to load it and run it.
> 
> #/TinyCobol/development/compiler/htcobol -v -m DEGRABBER.COB
> as -o DEGRABBER.o DEGRABBER.s
> gcc -shared -Wl,-soname,DEGRABBER.so -o DEGRABBER.so
>     DEGRABBER.o -L/TinyCobol/development/lib -lhtcobol
> 
> #/TinyCobol/development/cobrun/htcobrun DEGRABBER
> 
> Cheers.
> 
> 
> 
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