mirror of
https://github.com/autc04/Retro68.git
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140 lines
4.6 KiB
Scala
140 lines
4.6 KiB
Scala
# MMO is not a relocateable format, and we don't want to require an
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# explicit (e.g.) "-m elf64mmix" when -r is used.
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test -z $RELOCATEABLE_OUTPUT_FORMAT && RELOCATEABLE_OUTPUT_FORMAT=$OUTPUT_FORMAT
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test -z ${RELOCATING+0} && OUTPUT_FORMAT=$RELOCATEABLE_OUTPUT_FORMAT
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cat <<EOF
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OUTPUT_FORMAT("$OUTPUT_FORMAT")
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OUTPUT_ARCH(mmix)
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${RELOCATING+ENTRY(Main)}
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SECTIONS
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{
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.text ${RELOCATING+ ${TEXT_START_ADDR}}:
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{
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*(.text)
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${RELOCATING+*(.text.*)}
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${RELOCATING+*(.gnu.linkonce.t*)}
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${RELOCATING+*(.rodata)}
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${RELOCATING+*(.rodata.*)}
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${RELOCATING+*(.gnu.linkonce.r*)}
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/* FIXME: Move .init, .fini, .ctors and .dtors to their own sections. */
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${RELOCATING+ PROVIDE (_init_start = .);}
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${RELOCATING+ PROVIDE (_init = .);}
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${RELOCATING+ KEEP (*(SORT_NONE(.init)))}
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${RELOCATING+ PROVIDE (_init_end = .);}
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${RELOCATING+ PROVIDE (_fini_start = .);}
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${RELOCATING+ PROVIDE (_fini = .);}
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${RELOCATING+ KEEP (*(SORT_NONE(.fini)))}
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${RELOCATING+ PROVIDE (_fini_end = .);}
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/* FIXME: Align ctors, dtors, ehframe. */
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${RELOCATING+ PROVIDE (_ctors_start = .);}
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${RELOCATING+ PROVIDE (__ctors_start = .);}
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${RELOCATING+ PROVIDE (_ctors = .);}
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${RELOCATING+ PROVIDE (__ctors = .);}
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${RELOCATING+ KEEP (*crtbegin.o(.ctors))}
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${RELOCATING+ KEEP (*crtbegin?.o(.ctors))}
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${RELOCATING+ KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o) .ctors))}
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${RELOCATING+ KEEP (*(SORT(.ctors.*)))}
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${RELOCATING+ KEEP (*(.ctors))}
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${RELOCATING+ PROVIDE (_ctors_end = .);}
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${RELOCATING+ PROVIDE (__ctors_end = .);}
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${RELOCATING+ PROVIDE (_dtors_start = .);}
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${RELOCATING+ PROVIDE (__dtors_start = .);}
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${RELOCATING+ PROVIDE (_dtors = .);}
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${RELOCATING+ PROVIDE (__dtors = .);}
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${RELOCATING+ KEEP (*crtbegin.o(.dtors))}
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${RELOCATING+ KEEP (*crtbegin?.o(.dtors))}
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${RELOCATING+ KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o) .dtors))}
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${RELOCATING+ KEEP (*(SORT(.dtors.*)))}
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${RELOCATING+ KEEP (*(.dtors))}
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${RELOCATING+ PROVIDE (_dtors_end = .);}
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${RELOCATING+ PROVIDE (__dtors_end = .);}
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${RELOCATING+KEEP (*(.jcr))}
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${RELOCATING+KEEP (*(.eh_frame))}
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${RELOCATING+*(.gcc_except_table)}
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${RELOCATING+Main = DEFINED (Main) ? Main : (DEFINED (_start) ? _start : ADDR (.text));}
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}
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/* The following NOP assignment and those after .data and .bss, are
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necessary to get orphan sections adopted by the .text inserted before
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the following end-section symbols. An output section would also serve
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this purpose, but we can't do that. */
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. = .;
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${RELOCATING+ PROVIDE(etext = .);}
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${RELOCATING+ PROVIDE(_etext = .);}
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${RELOCATING+ PROVIDE(__etext = .);}
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.data ${RELOCATING+ ${DATA_ADDR}}:
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{
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${RELOCATING+ PROVIDE(__Sdata = .);}
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*(.data);
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${RELOCATING+*(.data.*)}
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${RELOCATING+*(.gnu.linkonce.d*)}
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}
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. = .;
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${RELOCATING+ PROVIDE(__Edata = .);}
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/* Deprecated, use __Edata. */
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${RELOCATING+ PROVIDE(edata = .);}
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${RELOCATING+ PROVIDE(_edata = .);}
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${RELOCATING+ PROVIDE(__edata = .);}
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/* At the moment, although perhaps we should, we can't map sections
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without contents to sections *with* contents due to FIXME: a BFD bug.
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Anyway, the mmo back-end ignores sections without contents when
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writing out sections, so this works fine. */
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.bss :
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{
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${RELOCATING+ PROVIDE(__Sbss = .);}
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${RELOCATING+ PROVIDE(__bss_start = .);}
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${RELOCATING+ *(.sbss);}
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${RELOCATING+ *(.bss);}
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${RELOCATING+*(.bss.*)}
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${RELOCATING+ *(COMMON);}
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}
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. = .;
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${RELOCATING+ PROVIDE(__Ebss = .);}
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/* Deprecated, use __Ebss or __Eall as appropriate. */
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${RELOCATING+ PROVIDE(end = .);}
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${RELOCATING+ PROVIDE(_end = .);}
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${RELOCATING+ PROVIDE(__end = .);}
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${RELOCATING+ PROVIDE(__Eall = .);}
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.stab 0 : { *(.stab) }
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.stabstr 0 : { *(.stabstr) }
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.stab.excl 0 : { *(.stab.excl) }
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.stab.exclstr 0 : { *(.stab.exclstr) }
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.stab.index 0 : { *(.stab.index) }
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.stab.indexstr 0 : { *(.stab.indexstr) }
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EOF
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. $srcdir/scripttempl/DWARF.sc
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cat <<EOF
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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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/* 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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PROVIDE (__Stack_start = 0x6000000000000000);
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/* Unfortunately, stabs are not mappable from ELF to MMO.
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It can probably be fixed with some amount of work. */
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/DISCARD/ :
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{ ${RELOCATING+ *(.gnu.warning.*);} }
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.gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
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}
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EOF
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