On Thursday 13 of October 2011 07:37:26 Hadi Aminzadeh wrote: > 2011/10/12 Paweł Sikora <pluto@xxxxxxxx>: > > On Wednesday 12 of October 2011 18:41:42 Hadi Aminzadeh wrote: > >> On Tue, Oct 11, 2011 at 2:55 PM, Pawel Sikora <pluto@xxxxxxxx> wrote: > >> > On Tuesday 11 of October 2011 14:35:30 Hadi Aminzadeh wrote: > >> >> Hi Dear, > >> >> > >> >> I have a LPC2478 arm processor and want to use gcc to cross compile my > >> >> code in x86 for LPC2478 > >> >> I use arm-linux-gnueabi-gcc to do that but (I think) the output of gcc > >> >> is an application that can be run in arm ported linux kernel but I > >> >> need Intel HEX-like format that can be programmed to micro controller > >> >> (I haven't any OS) > >> >> I haven't any idea what to do or what keyword I must search. > >> > > >> > you basically need a proper linker script for small embedded device. > >> > please, see an example at http://www.dreamislife.com/arm/ -> lpc2106_gcc.zip > >> > and search arm groups for similar one tuned for LPC2478... > >> > > >> > > >> > >> Thanks for your replay > >> I find a linker script for my device (that tested with my board) and > >> used gnuarm pre-compiled binary and eclipse to compile my tested > >> simple LED flasher program. but no success :-( > >> you can see the output of eclipse. have any idea? > >> > >> make all > >> Building file: ../main.c > >> Invoking: GCC C Compiler > >> /home/noBackup/arm/gnuarm-4.0.2/bin/arm-elf-gcc -O3 -g -Wall -c > >> -fmessage-length=0 -mcpu=arm7tdmi-s -MMD -MP -MF"main.d" -MT"main.d" > >> -o"main.o" "../main.c" > >> Finished building: ../main.c > >> > >> Building target: lpc2478 > >> Invoking: GCC C Linker > >> /home/noBackup/arm/gnuarm-4.0.2/bin/arm-elf-gcc -mcpu=arm7tdmi-s > >> -nostartfiles -T /home/hadi/workspace/lpc2478/LPC2478.ld -o"lpc2478" > >> ./main.o > >> Finished building target: lpc2478 > >> > >> make --no-print-directory post-build > >> /home/noBackup/arm/gnuarm-4.0.2/bin/arm-elf-objcopy --output-target > >> ihex lpc2478 lpc2478.hex > >> > > > > please show the 'simple LED flasher' source and 'arm-elf-objdump -hw lpc2478'. > > > > I attach all of them. > Thanks for your time. > the delay_ms() function was optimized at compile time to plain 'return' you can see this with -fdump-tree-optimized gcc option. and finally the hexdump shows .debug* sections in binary - there's no need to waste eeprom resources with debuginfo.
