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Full Discussion: Compile and debug Vim source code
Top Forums Programming Compile and debug Vim source code Post 302507386 by birei on Wednesday 23rd of March 2011 05:17:31 PM
Old 03-23-2011
Compile and debug Vim source code
Hi,

I want to debug Vim source code with GDB but I can't get it. It seems to run without debugger.

Here is my try. I have supressed output of most commands. Tell me if you need them.

Code:
$ uname -mor
2.6.37-ARCH i686 GNU/Linux
$ mkdir ~/birei && cd ~/birei
$ wget ftp://ftp.vim.org/pub/vim/unix/vim-7.3.tar.bz2
$ tar jxvf vim-7.3.tar.bz2 && cd vim73/src
$ cp Makefile Makefile.orig
$ # Change Makefile to request debugging info and install it in my home dir.
$ vim Makefile
$ diff Makefile Makefile.orig
540c540
< CFLAGS = -g
---
> #CFLAGS = -g
908c908
< prefix = ~/birei
---
> #prefix = $(HOME)
$ make
$ make test
...
Test results:
ALL DONE
...
$ make install
$ cd ~/birei/bin/
$ gdb ./vim
GNU gdb (GDB) 7.2
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "i686-pc-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from ~/birei/bin/vim...(no debugging symbols found)...done.
(gdb) s
The program is not being run.
(gdb) b main
Function "main" not defined.
Make breakpoint pending on future shared library load? (y or [n]) y
Breakpoint 1 (main) pending.
(gdb) run
...

At this point Vim runs but without stopping in any point of the source code. How can I stop it in first line of code??

Regards,
Birei
 

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LEARN ABOUT CENTOS

gdbinit

GDBINIT(5)						       GNU Development Tools							GDBINIT(5)

NAME

       gdbinit - GDB initialization scripts

SYNOPSIS

       /etc/gdbinit

       ~/.gdbinit

       ./.gdbinit

DESCRIPTION

       These files contain GDB commands to automatically execute during GDB startup.  The lines of contents are canned sequences of commands,
       described in the GDB manual in node "Sequences" -- shell command "info -f gdb -n Sequences".

       Please read more in the GDB manual in node "Startup" -- shell command "info -f gdb -n Startup".

       /etc/gdbinit
	   System-wide initialization file.  It is executed unless user specified GDB option "-nx" or "-n".  See more in the GDB manual in node
	   "System-wide configuration" -- shell command "info -f gdb -n 'System-wide configuration'".

       ~/.gdbinit
	   User initialization file.  It is executed unless user specified GDB options "-nx", "-n" or "-nh".

       ./.gdbinit
	   Initialization file for current directory.  It may need to be enabled with GDB security command "set auto-load local-gdbinit".  See
	   more in the GDB manual in node "Init File in the Current Directory" -- shell command "info -f gdb -n 'Init File in the Current
	   Directory'".

OPTIONS

SEE ALSO

       gdb(1), "info -f gdb -n Startup"

       The full documentation for GDB is maintained as a Texinfo manual.  If the "info" and "gdb" programs and GDB's Texinfo documentation are
       properly installed at your site, the command

	       info gdb

       should give you access to the complete manual.

       Using GDB: A Guide to the GNU Source-Level Debugger, Richard M. Stallman and Roland H. Pesch, July 1991.

COPYRIGHT

       Copyright (c) 1988-2013 Free Software Foundation, Inc.

       Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or
       any later version published by the Free Software Foundation; with the Invariant Sections being "Free Software" and "Free Software Needs
       Free Documentation", with the Front-Cover Texts being "A GNU Manual," and with the Back-Cover Texts as in (a) below.

       (a) The FSF's Back-Cover Text is: "You are free to copy and modify this GNU Manual.  Buying copies from GNU Press supports the FSF in
       developing GNU and promoting software freedom."

gdb-Red Hat Enterprise Linux 7.6.1-51.el7			    2014-06-10								GDBINIT(5)
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