🚀 go-pugleaf

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I have gdb 4.6 And I am trying to debug C programs linked to shared libraries
which I have built myself. The OS is SunOS 4.4.1. gdb fails in many different
ways: 

1) I say gdb <progname>. Then type "break main" and gdb crashes with
segmentation violation. Same for any other function in my source files.

2) If instead of main I try to break in a library routine, gdb says it is not
defined. 

3) Another thing I do a lot it debug an existing process. I say gdb <progname>,
then attach to the process, which is currently in a pause(). Setting a
breakpoint in my function still generates seg violation. However, now I can set
a breakpoint in a library routine. Apparently, library routine names don't get
loaded until main executes. But unfortunately, even with the breakpoint set I
still can't step through these library routines. The breakpoint is never
detected by gdb.

All code -- program and library -- were compiled with -g option.

The release nodes for 4.6 said that gdb can debug shared libraries. So what is
going wrong?

(Apologies if this is the wrong newsgroup. Let me know if so; I will repost
it.) 

Thanks for any help.