2022-10-27 18:43:13 +00:00
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TEMPLATE_NAME=elf32
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2012-03-26 19:18:29 +00:00
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GENERATE_SHLIB_SCRIPT=yes
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ELFSIZE=64
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SCRIPT_NAME=elf
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OUTPUT_FORMAT="elf64-mmix"
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NO_REL_RELOCS=yes
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ENTRY=_start.
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# Default to 0 as mmixal does.
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TEXT_START_ADDR='DEFINED (__.MMIX.start..text) ? __.MMIX.start..text : 0'
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# Don't add SIZEOF_HEADERS.
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# Don't set EMBEDDED, that would be misleading; it's not that kind of system.
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TEXT_BASE_ADDRESS=$TEXT_START_ADDR
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DATA_ADDR='DEFINED (__.MMIX.start..data) ? __.MMIX.start..data : 0x2000000000000000'
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MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
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ARCH=mmix
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MACHINE=
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COMPILE_IN=yes
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EXTRA_EM_FILE=mmixelf
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# The existence of a symbol __start (or _start) should overrule Main, so
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# it can be a user symbol without the associated mmixal magic. We
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# also want to provide Main as a synonym for _start, if Main wasn't
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# defined but is referred to, and _start was defined.
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#
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# The reason we use a symbol "_start." as a mediator is to avoid
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# causing ld to force the type of _start to object rather than no
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# type, which confuses disassembly; we also make it alphanumerically
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# a successor of _start for similar reasons. Perhaps it's a linker
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# bug that linker-defined symbols set the symbol-type.
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#
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# Note that we smuggle this into OTHER_TEXT_SECTIONS (at the end
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# of .text) rather than TEXT_START_SYMBOLS. This is necessary, as
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# DEFINED wouldn't find the symbol if it was at the top; presumably
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# before the definition, if the definition is not in the first file.
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# FIXME: Arguably a linker bug.
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# Only do this for a final link, or else we'll mess up e.g. error
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# messages.
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OTHER_TEXT_SECTIONS="
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${RELOCATING+
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_start. = (DEFINED (_start) ? _start
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2018-12-28 15:25:28 +00:00
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: (DEFINED (Main) ? Main : (DEFINED (.text) ? .text : 0)));
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2012-03-26 19:18:29 +00:00
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PROVIDE (Main = DEFINED (Main) ? Main : (DEFINED (_start) ? _start : _start.));
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}"
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OTHER_SECTIONS='
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.MMIX.reg_contents :
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{
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/* Note that this section always has a fixed VMA - that of its
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first register * 8. */
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*(.MMIX.reg_contents.linker_allocated);
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*(.MMIX.reg_contents);
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}
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'
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# FIXME: Also bit by the PROVIDE bug? If not, this could be
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# EXECUTABLE_SYMBOLS.
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# By default, put the high end of the stack where the register stack
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# begins. They grow in opposite directions. */
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OTHER_SYMBOLS="PROVIDE (__Stack_start = 0x6000000000000000);"
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