[fpc-devel] MIPS big-endian program starts but does nothing

[Sven Barth]

Am 08.09.2014 18:28 schrieb "Reinier Olislagers" <
reinierolislagers at gmail.com>:
>
> On 08/09/2014 18:01, Joost van der Sluis wrote:
> > On 09/08/2014 10:25 AM, Reinier Olislagers wrote:
> >> gdb ./hellomips
> >>
> >>
> >> dlopen failed on 'libthread_db.so.1' - File not found
> >> GDB will not be able to debug pthreads.
> >>
> >> GNU gdb 6.8
> >> Copyright (C) 2008 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 "mips-openwrt-linux"...
> >> (no debugging symbols found)
> >> (gdb) run
> >> Starting program: /usbstorage/backup/hellomips
> >>
> >>
> >
> > That's it? Nothing more? You could try to send a sigint (ctrl-c) and
> > then ask for a backtrace (bt).
> (gdb) run
> Starting program: /usbstorage/backup/hellomips
> ^C
> Program received signal SIGINT, Interrupt.
> 0x00401b20 in ?? ()
> (gdb) bt
> #0  0x00401b20 in ?? ()
> warning: GDB can't find the start of the function at 0x401b20.
>
>     GDB is unable to find the start of the function at 0x401b20
> and thus can't determine the size of that function's stack frame.

Could you please recompile FPC with OPT="-gl" (maybe also -O-) and compile
your test program with that options as well and then retest the GDB run?

Regards,
Sven
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