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From: "b.r.longbons at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug breakpoints/15802] New: (gdb) start will run entire program if
 there is no "main" symbol
Date: Tue, 30 Jul 2013 07:10:00 -0000
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http://sourceware.org/bugzilla/show_bug.cgi?id=15802

            Bug ID: 15802
           Summary: (gdb) start will run entire program if there is no
                    "main" symbol
           Product: gdb
           Version: unknown
            Status: NEW
          Severity: normal
          Priority: P2
         Component: breakpoints
          Assignee: unassigned at sourceware dot org
          Reporter: b.r.longbons at gmail dot com

(gdb) start    will try to run the entire program if it fails to set the
breakpoint on main.

(Of course, arguably it's wrong to break specifically on main, since there may
be static constructors that run earlier ...)

$ gdb /bin/true
GNU gdb (GDB) 7.6 (Debian 7.6-5)
Copyright (C) 2013 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 "x86_64-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Parsing .gdbinit
Reading symbols from /bin/true...(no debugging symbols found)...done.
(gdb) start
Function "main" not defined.
Make breakpoint pending on future shared library load? (y or [n]) n

Starting program: /bin/true 
warning: Could not load shared library symbols for linux-vdso.so.1.
Do you need "set solib-search-path" or "set sysroot"?
[Inferior 1 (process 31851) exited normally]
(gdb) start
Function "main" not defined.
Make breakpoint pending on future shared library load? (y or [n]) y

Temporary breakpoint 1 (main) pending.
Starting program: /bin/true 
warning: Could not load shared library symbols for linux-vdso.so.1.
Do you need "set solib-search-path" or "set sysroot"?
[Inferior 1 (process 31855) exited normally]

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