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Hi, I have a problem and don't know where to begin looking. Here is the background: + binutils 2.9.1 + RTEMS targetting a i386 PC + host system: RedHat Linux 5.0 x86 + toolset targets: i386-rtems and i386-rtemself We are using the grub bootloader to load our linked applications. This loader expects a.out files. The CPU is already in protected mode when our application gets control, so we do not have any 16-bit/real mode code. The build procedure links a "native format" executable (coff for i386-rtems, elf for i386-rtemself). Then we use objcopy to generate the a.out expected by the boot loader. This works marvelously when using the COFF i386-rtems toolset. When using the ELF based i386-rtemself, it looks like the initialized data in the a.out file generated by objcopy is endian swapped. Any suggestions on what might be going wrong? My guess is that something is not properly honoring endianness. Thanks in advance for any ideas. --joel Joel Sherrill Director of Research & Development joel@OARcorp.com On-Line Applications Research Ask me about RTEMS: a free RTOS Huntsville AL 35805 Support Available (205) 722-9985