1 TEMPLATE_NAME=elf32 2 GENERATE_SHLIB_SCRIPT=yes 3 ELFSIZE=64 4 SCRIPT_NAME=elf 5 OUTPUT_FORMAT="elf64-mmix" 6 NO_REL_RELOCS=yes 7 ENTRY=_start. 8 9 # Default to 0 as mmixal does. 10 TEXT_START_ADDR='DEFINED (__.MMIX.start..text) ? __.MMIX.start..text : 0' 11 # Don't add SIZEOF_HEADERS. 12 # Don't set EMBEDDED, that would be misleading; it's not that kind of system. 13 TEXT_BASE_ADDRESS=$TEXT_START_ADDR 14 DATA_ADDR='DEFINED (__.MMIX.start..data) ? __.MMIX.start..data : 0x2000000000000000' 15 16 MAXPAGESIZE="CONSTANT (MAXPAGESIZE)" 17 ARCH=mmix 18 MACHINE= 19 COMPILE_IN=yes 20 EXTRA_EM_FILE=mmixelf 21 22 # The existence of a symbol __start (or _start) should overrule Main, so 23 # it can be a user symbol without the associated mmixal magic. We 24 # also want to provide Main as a synonym for _start, if Main wasn't 25 # defined but is referred to, and _start was defined. 26 # 27 # The reason we use a symbol "_start." as a mediator is to avoid 28 # causing ld to force the type of _start to object rather than no 29 # type, which confuses disassembly; we also make it alphanumerically 30 # a successor of _start for similar reasons. Perhaps it's a linker 31 # bug that linker-defined symbols set the symbol-type. 32 # 33 # Note that we smuggle this into OTHER_TEXT_SECTIONS (at the end 34 # of .text) rather than TEXT_START_SYMBOLS. This is necessary, as 35 # DEFINED wouldn't find the symbol if it was at the top; presumably 36 # before the definition, if the definition is not in the first file. 37 # FIXME: Arguably a linker bug. 38 # Only do this for a final link, or else we'll mess up e.g. error 39 # messages. 40 OTHER_TEXT_SECTIONS=" 41 ${RELOCATING+ 42 _start. = (DEFINED (_start) ? _start 43 : (DEFINED (Main) ? Main : (DEFINED (.text) ? .text : 0))); 44 PROVIDE (Main = DEFINED (Main) ? Main : (DEFINED (_start) ? _start : _start.)); 45 }" 46 47 OTHER_SECTIONS=' 48 .MMIX.reg_contents : 49 { 50 /* Note that this section always has a fixed VMA - that of its 51 first register * 8. */ 52 *(.MMIX.reg_contents.linker_allocated); 53 *(.MMIX.reg_contents); 54 } 55 ' 56 57 # FIXME: Also bit by the PROVIDE bug? If not, this could be 58 # EXECUTABLE_SYMBOLS. 59 # By default, put the high end of the stack where the register stack 60 # begins. They grow in opposite directions. */ 61 OTHER_SYMBOLS="PROVIDE (__Stack_start = 0x6000000000000000);" 62
