/home/gary/projects/avr-toolchain/avr/bin/avr-gcc -g -Wall -O2 -mmcu=attiny84 -D __COMPILING_AVR_LIBC__ -D __AVR_ATtiny84__ -Wa,-gstabs   -c -o main.o main.c
main.c:12: warning: return type of 'main' is not 'int'
/home/gary/projects/avr-toolchain/avr/bin/avr-gcc -g -Wall -O2 -mmcu=attiny84 -D __COMPILING_AVR_LIBC__ -D __AVR_ATtiny84__ -Wa,-gstabs -Wl,-Map,main.map -o main.elf main.o 
/home/gary/projects/avr-toolchain/avr/bin/avr-objdump -h -S main.elf > main.lst
/home/gary/projects/avr-toolchain/avr/bin/avr-objcopy -j .text -j .data -O ihex main.elf main.hex
/home/gary/projects/avr-toolchain/avr/bin/avr-objcopy -j .text -j .data -O binary main.elf main.bin
/home/gary/projects/avr-toolchain/avr/bin/avr-objcopy -j .text -j .data -O srec main.elf main.srec

main.cof
/home/gary/projects/avr-toolchain/avr/bin/avr-objcopy --debugging --change-section-address .data-0x800000 --change-section-address .bss-0x800000 --change-section-address .noinit-0x800000 --change-section-address .eeprom-0x810000 -O coff-avr main.elf main.cof
Warning: no "data" section found in output file
Warning: file /tmp/ccSPqPh8.s not found in symbol table, ignoring
Warning: ignoring function __vectors() outside any compilation unit
Warning: ignoring function __bad_interrupt() outside any compilation unit
Warning: file /tmp/ccFJUBj1.s not found in symbol table, ignoring
/home/gary/projects/avr-toolchain/avr/bin/avr-objcopy: --change-section-vma .eeprom+0xff7f0000 never used
/home/gary/projects/avr-toolchain/avr/bin/avr-objcopy: --change-section-lma .eeprom+0xff7f0000 never used
/home/gary/projects/avr-toolchain/avr/bin/avr-objcopy: --change-section-vma .noinit+0xff800000 never used
/home/gary/projects/avr-toolchain/avr/bin/avr-objcopy: --change-section-lma .noinit+0xff800000 never used
/home/gary/projects/avr-toolchain/avr/bin/avr-objcopy: --change-section-vma .bss+0xff800000 never used
/home/gary/projects/avr-toolchain/avr/bin/avr-objcopy: --change-section-lma .bss+0xff800000 never used
/home/gary/projects/avr-toolchain/avr/bin/avr-objcopy: --change-section-vma .data+0xff800000 never used
/home/gary/projects/avr-toolchain/avr/bin/avr-objcopy: --change-section-lma .data+0xff800000 never used

main.cof
/home/gary/projects/avr-toolchain/avr/bin/avr-objcopy --debugging --change-section-address .data-0x800000 --change-section-address .bss-0x800000 --change-section-address .noinit-0x800000 --change-section-address .eeprom-0x810000 -O coff-ext-avr main.elf main.cof
Warning: no "data" section found in output file
Warning: file /tmp/ccSPqPh8.s not found in symbol table, ignoring
Warning: ignoring function __vectors() outside any compilation unit
Warning: ignoring function __bad_interrupt() outside any compilation unit
Warning: file /tmp/ccFJUBj1.s not found in symbol table, ignoring
/home/gary/projects/avr-toolchain/avr/bin/avr-objcopy: --change-section-vma .eeprom+0xff7f0000 never used
/home/gary/projects/avr-toolchain/avr/bin/avr-objcopy: --change-section-lma .eeprom+0xff7f0000 never used
/home/gary/projects/avr-toolchain/avr/bin/avr-objcopy: --change-section-vma .noinit+0xff800000 never used
/home/gary/projects/avr-toolchain/avr/bin/avr-objcopy: --change-section-lma .noinit+0xff800000 never used
/home/gary/projects/avr-toolchain/avr/bin/avr-objcopy: --change-section-vma .bss+0xff800000 never used
/home/gary/projects/avr-toolchain/avr/bin/avr-objcopy: --change-section-lma .bss+0xff800000 never used
/home/gary/projects/avr-toolchain/avr/bin/avr-objcopy: --change-section-vma .data+0xff800000 never used
/home/gary/projects/avr-toolchain/avr/bin/avr-objcopy: --change-section-lma .data+0xff800000 never used