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- TEMPLATE_NAME=elf
- GENERATE_SHLIB_SCRIPT=yes
- ELFSIZE=64
- SCRIPT_NAME=elf
- OUTPUT_FORMAT="elf64-mmix"
- NO_REL_RELOCS=yes
- ENTRY=_start.
- # Default to 0 as mmixal does.
- TEXT_START_ADDR='DEFINED (__.MMIX.start..text) ? __.MMIX.start..text : 0'
- # Don't add SIZEOF_HEADERS.
- # Don't set EMBEDDED, that would be misleading; it's not that kind of system.
- TEXT_BASE_ADDRESS=$TEXT_START_ADDR
- DATA_ADDR='DEFINED (__.MMIX.start..data) ? __.MMIX.start..data : 0x2000000000000000'
- MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
- ARCH=mmix
- MACHINE=
- EXTRA_EM_FILE=mmixelf
- # The existence of a symbol __start (or _start) should overrule Main, so
- # it can be a user symbol without the associated mmixal magic. We
- # also want to provide Main as a synonym for _start, if Main wasn't
- # defined but is referred to, and _start was defined.
- #
- # The reason we use a symbol "_start." as a mediator is to avoid
- # causing ld to force the type of _start to object rather than no
- # type, which confuses disassembly; we also make it alphanumerically
- # a successor of _start for similar reasons. Perhaps it's a linker
- # bug that linker-defined symbols set the symbol-type.
- #
- # Note that we smuggle this into OTHER_TEXT_SECTIONS (at the end
- # of .text) rather than TEXT_START_SYMBOLS. This is necessary, as
- # DEFINED wouldn't find the symbol if it was at the top; presumably
- # before the definition, if the definition is not in the first file.
- # FIXME: Arguably a linker bug.
- # Only do this for a final link, or else we'll mess up e.g. error
- # messages.
- OTHER_TEXT_SECTIONS="
- ${RELOCATING+
- _start. = (DEFINED (_start) ? _start
- : (DEFINED (Main) ? Main : (DEFINED (.text) ? .text : 0)));
- PROVIDE (Main = DEFINED (Main) ? Main : (DEFINED (_start) ? _start : _start.));
- }"
- # We need a symbol at the end of the read-only data, which is
- # colocated with the code. We make __etext fit.
- ETEXT_LAST_IN_RODATA_SEGMENT=" "
- OTHER_SECTIONS='
- .MMIX.reg_contents :
- {
- /* Note that this section always has a fixed VMA - that of its
- first register * 8. */
- *(.MMIX.reg_contents.linker_allocated);
- *(.MMIX.reg_contents);
- }
- '
- # FIXME: Also bit by the PROVIDE bug? If not, this could be
- # EXECUTABLE_SYMBOLS.
- # By default, put the high end of the stack where the register stack
- # begins. They grow in opposite directions. */
- OTHER_SYMBOLS="PROVIDE (__Stack_start = 0x6000000000000000);"
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