[mc1322x] Building mc1322x contiki

[Jon Smirl]

On Tue, Oct 6, 2009 at 1:12 PM, Ian Martin <martini at alum.mit.edu> wrote:
> Many of the contiki examples (e.g. example-shell) aren't appropriate
> for the mc13 because they make use of gigantic standard library
> functions like sprintf.  The following command will list all the
> linked symbols, each with its address and size.  The last several
> lines should give you a clue about what is consuming that 500K.
>
> nm --print-size --size-sort yourexample.mc1322x

I attached the out from this.

I was using hello-world for my test. Binary is 550K.

>
> Try compiling a very simple example like examples/hello-world and work
> your way up from there.
>
> Good luck,
> Ian
>
> On Tue, Oct 6, 2009 at 12:58 PM, Jon Smirl <jonsmirl at gmail.com> wrote:
>> I'm trying to build the mc1322x contiki examples using
>> gcc-4.3.2-glibc-2.8-binutils-2.18 from the Phytec cross tools.
>>
>> My binary is ending up 550K. It is sucking in 500K of run-time
>> library. Are my cross tools built wrong? Should they be built with
>> exception handling turned off?
>>
>> I had to add the exidx section...
>>
>> diff --git a/cpu/mc1322x/Makefile.mc1322x b/cpu/mc1322x/Makefile.mc1322x
>> index 1014ca2..189cd6b 100644
>> --- a/cpu/mc1322x/Makefile.mc1322x
>> +++ b/cpu/mc1322x/Makefile.mc1322x
>> @@ -18,7 +18,7 @@ CONTIKI_SOURCEFILES        += $(CONTIKI_TARGET_SOURCEFILES)
>>
>>  THREADS =
>>
>> -CROSS=arm-linux-
>> +CROSS=arm-v4t-linux-gnueabi-
>>
>>  ### Compiler definitions
>>  CC       = $(CROSS)gcc
>> @@ -50,7 +50,7 @@ CFLAGSNO = -I. -I$(CONTIKI)/core -I$(CONTIKI_CPU)
>> -I$(CONTIKI_CPU)/loader \
>>            -Werror $(ARCH_FLAGS) -g
>>
>>  CFLAGS  += $(CFLAGSNO) -Os -DRUN_AS_SYSTEM -DROM_RUN
>> -fno-strict-aliasing  -fno-common -ffixed-r8 -msoft-float -DTE
>> -LDFLAGS += -T $(LINKERSCRIPT) -nostartfiles -static
>> +LDFLAGS += -T $(LINKERSCRIPT) -nostartfiles -static
>> -Wl,-Map=contiki-$(TARGET).map,-export-dynamic
>>  AFLAGS := $(AFLAGS_DEBUG) -D__ASSEMBLY__ $(CPPFLAGS) -gstabs
>>
>>  CDEPFLAGS = $(CFLAGS) -D __MAKING_DEPS__
>> diff --git a/cpu/mc1322x/mc1322x.lds b/cpu/mc1322x/mc1322x.lds
>> index 061604a..e19ef15 100644
>> --- a/cpu/mc1322x/mc1322x.lds
>> +++ b/cpu/mc1322x/mc1322x.lds
>> @@ -259,4 +259,11 @@ HEAP_SIZE = 1024;
>>   .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
>>   .note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }
>>   /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) }
>> +
>> +  ROM 0 (NOLOAD) :
>> +  {
>> +    __exidx_start = .;
>> +    *(.ARM.exidx* .gnu.linkonce.armexidx.*)
>> +    __exidx_end = .;
>> +  }
>>  }
>>
>>
>> --
>> Jon Smirl
>> jonsmirl at gmail.com
>>
>> _______________________________________________
>> mc1322x mailing list
>> mc1322x at devl.org
>> http://devl.org/cgi-bin/mailman/listinfo/mc1322x
>>
>



-- 
Jon Smirl
jonsmirl at gmail.com
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