1 SCRIPT_NAME=elf 2 OUTPUT_FORMAT="elf32-mcore-little" 3 BIG_OUTPUT_FORMAT="elf32-mcore-big" 4 LITTLE_OUTPUT_FORMAT="elf32-mcore-little" 5 NO_REL_RELOCS=yes 6 TARGET_PAGE_SIZE=0x400 7 MAXPAGESIZE="CONSTANT (MAXPAGESIZE)" 8 TEXT_START_ADDR=0 9 ARCH=mcore 10 EMBEDDED=yes 11 12 # There is a problem with the NOP value - it must work for both 13 # big endian and little endian systems. Unfortunately there is 14 # no symmetrical mcore opcode that functions as a noop. The 15 # chosen solution is to use "tst r0, r14". This is a symetrical 16 # value, and apart from the corruption of the C bit, it has no other 17 # side effects. Since the carry bit is never tested without being 18 # explicitly set first, and since the NOP code is only used as a 19 # fill value between independantly viable peices of code, it should 20 # not matter. 21 NOP=0x0e0e0e0e 22 23 OTHER_BSS_SYMBOLS="${CREATE_SHLIB+PROVIDE (}__bss_start__ = .${CREATE_SHLIB+)};" 24 OTHER_BSS_END_SYMBOLS="${CREATE_SHLIB+PROVIDE (}__bss_end__ = .${CREATE_SHLIB+)};" 25 26 # This sets the stack to the top of the simulator memory (2^19 bytes). 27 STACK_ADDR=0x80000 28 29 TEMPLATE_NAME=elf 30 31 # This code gets inserted into the generic elf32.sc linker script 32 # and allows us to define our own command line switches. 33 PARSE_AND_LIST_LONGOPTS=' 34 {"base-file", required_argument, NULL, OPTION_BASE_FILE}, 35 ' 36 37 PARSE_AND_LIST_OPTIONS=' 38 fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n")); 39 ' 40 41 PARSE_AND_LIST_ARGS_CASES=' 42 case OPTION_BASE_FILE: 43 link_info.base_file = fopen (optarg, FOPEN_WB); 44 if (link_info.base_file == NULL) 45 fatal (_("%P: cannot open base file %s\n"), optarg); 46 break; 47 ' 48