Re: lm32 run vs gdb

Chris Johns <[email protected]>
Newsgroups gmane.comp.gdb.devel
Message-ID <[email protected]>
On 12/03/2016 08:55, Mike Frysinger wrote:
> On 11 Mar 2016 15:12, Joel Sherrill wrote:
>> I think the command line arguments for the lm32 simulator
>> are not getting parsed the same for "run" as when you do
>> "tar sim" in gdb.  Executables work with gdb that don't
>> with run.
>
> wtf is "tar" ?  hmm, guess it's short for "target sim" ...
>
>> lm32-rtems4.12-run --hw-file lm32_evr.conf  \
>>     --memory-region 0x08000000,0x4000000 ticker.exe
>>
>> In gdb, the tar sim command is:
>>
>> tar sim --hw-file lm32_evr.conf --memory-region 0x08000000,0x4000000
>>
>> lm32_evr.conf is
>>
>> /lm32cpu
>> /lm32uart/reg 0x80006000 0x100
>> /lm32uart > int int0 /lm32cpu
>> /lm32timer/reg 0x80002000 0x80
>> /lm32timer > int int1 /lm32cpu
>>
>> Any ideas what's broken or where I should look?
>
> the arg parsing codepaths are the same -- see sim/lm32/sim-if.c and
> the sim_open function.  gdb & the run frontend both call that.

It looks like something has changed. With gdb-7.11 and the 
sparc-rtems4.11 target I am seeing:

$ /opt/work/rtems/4.12/bin/sparc-rtems4.12-run 
./sparc-rtems4.12/c/erc32/testsuites/samples/ticker/ticker.exe

  SIS - SPARC instruction simulator 2.7.5,  copyright Jiri Gaisler 1995
  Bug-reports to [email protected]

sis> quit

With gdb-7.9 it use to just run the executable. GDB works.

Chris
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